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Category Archives: Progress
SunHydrogen Reports Progress on its Nanoparticle-Based Green Hydrogen Technology – GlobeNewswire
Posted: June 4, 2021 at 4:00 pm
SANTA BARBARA, CA, June 01, 2021 (GLOBE NEWSWIRE) -- SunHydrogen, Inc. (OTC:HYSR), the developer of a breakthrough technology to produce renewable hydrogen using sunlight and water, today announced progress on the development process for the scale-up of its nanoparticle hydrogen generation technology.
Earlier this year, the company announced its cooperation with Schmid Group in Freudenstadt, Germany and InRedox in Longmont, Colorado to develop its technology to commercial scale. Schmid is developing the process and equipment for manufacturing while InRedox is focused on the electrochemical process of creating nanoporous templates on transparent substrates for growing nanoparticles.
Despite foreseen challenges in the supply chain for necessary materials and equipment, the company has made positive progress in testing and confirming the scalable potential of the transparent substrates, a critical component for fabricating nanoparticle hydrogen generators. The company has worked with various transparent substrates to determine the best-performing ones for creation of nanoporous layers, which will then serve as a template and foundation for growing the nanoparticles. The company isfurthermoving toward testing the growth of nanoparticles on the down-selected substrates at scales relevant for mass manufacturing.
The company is also making good progress in the acquisition of the equipment and chemicals for fabrication, testing and validation of large-scale devices. The devices will consist of arrays of billions of nanoparticle-based hydrogen generators, each able to split water molecules into hydrogen and oxygen. Each array will be approximately the size of a single six-inch silicon solar cell.
InRedox and Schmid have been dedicated in providing the necessary input and support for the development process. They have pushed the project hard even with the challenges in supply chains due to persisting pandemic, said Tim Young, CEO of SunHydrogen, Inc. With the team in Germany now in place, and the necessary equipment now able to be obtained, we expect to see more rapid progress very soon. Due to the delays associated with supply chain challenges, the Cooperation Agreement with Schmid has been extended to fully complete the work scope with no additional cost to the company.
About SunHydrogen, Inc.SunHydrogen is developing a breakthrough, low-cost technology to make renewable hydrogen using sunlight and any source of water, including seawater and wastewater. The only byproduct of hydrogen fuel is pure water, unlike hydrocarbon fuels such as oil, coal and natural gas that release carbon dioxide and other contaminants into the atmosphere when used. By optimizing the science of water electrolysis at the nano-level, our low-cost nanoparticles mimic photosynthesis to efficiently use sunlight to separate hydrogen from water, ultimately producing environmentally friendly renewable hydrogen. Using our low-cost method to produce renewable hydrogen, we intend to enable a world of distributed hydrogen production for renewable electricity and hydrogen fuel cell vehicles. To learn more about SunHydrogen, please visit our website at http://www.SunHydrogen.com.
Safe Harbor StatementMatters discussed in this press release contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this press release, the words "anticipate," "believe," "estimate," "may," "intend," "expect" and similar expressions identify such forward-looking statements. Actual results, performance or achievements could differ materially from those contemplated, expressed or implied by the forward-looking statements contained herein, and while expected, there is no guarantee that we will attain the aforementioned anticipated developmental milestones. These forward-looking statements are based largely on the expectations of the Company and are subject to a number of risks and uncertainties. These include, but are not limited to, risks and uncertainties associated with: our ability to successfully negotiate agreements with suppliers and manufacturers of its hydrogen generation panels, our ability to procure project financing, our ability to retain the service of a qualified engineering firm to design and build a pilot plant, our ability to secure an agreement to with a partner with us for the pilot plant, the impact of economic, competitive and other factors affecting the Company and its operations, markets, product, and distributor performance, the impact on the national and local economies resulting from terrorist actions, and U.S. actions subsequently; and other factors detailed in reports filed by the Company.
Press Contact:info@sunhydrogen.com
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Bionano Stock Is Enticing on Strong Q1 Results and Saphyr’s Progress – InvestorPlace
Posted: at 4:00 pm
After Bionano (NASDAQ:BNGO) reported very strong first-quarter results and showed that its Saphyr DNA analysis tool is progressing on multiple fronts, I remain extremely bullish on BNGO stock.
Source: Connect world / Shutterstock.com
On May 13, Bionano reported that its Q1 revenue had soared 179% year-over-year to $3.2 million, while its gross margin increased to roughly 33% from 25% during the same period a year earlier.
Moreover, Bionano expects to expand the user base of its Saphyr genome analysis machines by 50% this year to 150.
Bionano CEO Erik Holmlinnoted that the company had sold record numbers of flow cells (the amount of DNA that can be analyzed) and analyzed a record number of service samples.
Since flow cells and service samples are the revenue-generating razor blades in the companys shaver and razor-blade model, those records are extremely important achievements for Bionano.
More specifically, the number of flow cells sold by Bionano jumped 275% YOY and rose 5% versus the previous quarter, reaching 2,603. In its services lab, the company analyzed 227 samples, during Q1, the CEO reported.
Importantly, Bionano acquired a number of very promising customers last quarter.
Both of the key deals it made in Q1 involved the acquisition of new Saphyr systems. One deal was with Torontos University Health Network, which has the largest hospital lab in all of Canada. That agreement leaves Bionano well-positioned to grow in Canada.
In the other noteworthy deal, one hospital and one lab that are part of the UKs national insurance system agreed to launch Saphyr systems.
I think that, in the wake of those transactions, Bionano is very well-positioned to expand not only in the UK, but in all of Europe.
In recent weeks and months, a number of important scientific achievements that are likely to increase the demand for Saphyr systems have been documented.
For example, MD Anderson Cancer Center released a study showing that Saphyr reduced the time needed to analyze the tumors of patients with myelodysplastic syndrome from several weeks to four days.
Childrens Hospital proved that Saphyr, unlike older methods of analysis, detected gene fusions in pediatric acute leukemias, Holmlin said, adding that these fusions can be treated with drugs.
Tel Aviv University showed that Saphyr can be used to analyze DNA methylation in the DNA of tumors, the CEO reported. According to the Journal of Clinical Oncology, Alterations in DNA methylation are common in a variety of tumors.
Meanwhile, in the U.S. and Europe, Bionanos customers are developing and validating new tests that can be performed with Saphyr. Among these are whole-genome analysis within constitutional genetic disorders, whole-genome analysis for neurodevelopmental disorders and blood cancers.
The company also is in the midst of comparing Saphyr with older tools when it comes to analyzing prenatal and postnatal genetics, hematological malignancies and solid tumors.
If the results of these studies are favorable, the acceptance of Saphyr will become more widespread, Holmlin said. Moreover, I believe that positive data from these studies would likely drive BNGO stock much higher.
Finally, Penn State has used Saphyr to analyze solid tumors and has published protocols on how to do so. As a result, Saphyr can expand into solid tumors in areas such as breast cancer, colon cancer, melanoma, lung cancer and many other areas of solid tumor oncology, including glioblastoma, et cetera, Holmlin said.
Clearly, adoption of Bionanos Saphyr is rapidly accelerating, while new, vital, potentially life-saving uses for it are being found.
Given these points, along with the relatively low market capitalization of BNGO stock, I remain very bullish on the name.
On the date of publication, Larry Ramerheld a long position in Bionano.The opinions expressed in this article are those of the writer, subject to the InvestorPlace.comPublishing Guidelines.
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Philly Mayor Jim Kenney promised police reform. Its a work in progress a year later. – The Philadelphia Inquirer
Posted: at 4:00 pm
Last spring, after Philadelphia police fired tear gas into a residential neighborhood and at people protesting police brutality amid days of unrest, Mayor Jim Kenney announced a series of reforms aimed at spurring meaningful change within the 6,500-member Police Department.
A year later, his administration, City Council, and other officials have succeeded in implementing several of those changes, while many others remain works in progress bogged down by bureaucracy, hampered by legal restrictions, or outside of local governments control.
Last week, the city announced the appointment of a deputy inspector general of public safety, a promise Kenney made in his initial list of proposals last year. City Council also agreed to create a new system of police oversight that officials hope will be more active and effective.
But progressive lawmakers continue to call on Kenney to divert additional funding toward community efforts to curb gun violence. And some advocates lament that a year after Defund the Police became their rallying cry and after they demanded the mayor go even further, reallocating taxpayer money from law enforcement and to schools, recreation centers, and jobs programs he has not proposed trimming the Police Departments $727 million budget.
The mayor is proud of the departments progress over the last year, and he understands that true systemic reform takes time, Kenney spokesperson Deana Gamble said.
In some ways, that mix of progress and frustration has mirrored efforts elsewhere. Congressional leaders in Washington have said they are optimistic about passing the George Floyd Justice in Policing Act, but they failed to do so before last Tuesday, the anniversary of Floyds death and a deadline that President Joe Biden had urged lawmakers to meet.
READ MORE: Philly moves toward new police oversight as a report said the current system is in dire need of overhaul
The National Council on State Legislators reported last month that 24 states and the District of Columbia passed laws last year expanding police oversight, accountability, or transparency, with some mandating the use of body cameras, others banning neck restraints, and some addressing other use-of-force issues.
Pennsylvania State Rep. Donna Bullock, a Philadelphia Democrat and chair of the Legislative Black Caucus, said in an interview that she remains carefully optimistic about the state of criminal justice reform locally, noting that it stayed on the minds of many lawmakers, even amid a pandemic and economic crisis.
Not just here in Philadelphia, but mayors and councilmembers across the state are asking for reform, she said, and they havent stopped asking for reform.
If Defund the Police was the chant of last year, Kenney has continued to resist it.
His proposed budget for the next fiscal year calls for flat funding of the Police Department, which typically represents about one-sixth of the citys annual operating budget. Additional money for law enforcement reforms including a system to try to identify problem officers and a $5 million investment in forensics would be funneled through the Managing Directors Office.
Police officials have long pointed out that personnel costs make up the vast majority of the departments expenses, and Kenney has said he doesnt want to reduce the size of the force, especially as shootings and homicides continue at an alarming pace. The city expects labor costs to continue to rise for all municipal unions.
Kris Henderson, executive director of Amistad Law Project, a civil rights legal and advocacy organization, said that activists were disappointed by police funding remaining flat, but that the group will continue to push officials on issues it believes will reduce inequities and ultimately bolster public safety including a shift away from law enforcement and toward community empowerment.
What we are hoping people start to recognize is that there absolutely are things that our public officials can do to make our cities safer, Henderson said. But pouring resources into the cops is not the thing thats going to do it.
READ MORE: Mayor Kenney said his budget wouldnt increase police spending. Its not that simple.
Some of the re-routed police funding in Kenneys budget would go toward programs that reform advocates have sought. About $6 million would be put toward a new citywide program pairing behavioral health specialists with officers in responding to mental health-related 911 calls.
Similar models have been adopted in other cities, and the goal is to reduce the reliance on armed officers for issues that could be addressed by non-enforcement professionals.
Katia Prez, an organizer with the progressive group Reclaim Philadelphia, said she and other advocates ultimately want to push that program and other functions currently handled by police to become even more divorced from law enforcement.
What more can we civilianize, and not have it be cops with weapons showing up at peoples homes? she asked.
City Council on Thursday approved another major plank of the reforms Kenneys proposed last spring: a new police oversight body.
The Citizens Police Oversight Commission which will replace the existing Police Advisory Commission will have the authority to investigate all citizen complaints against police, and will have subpoena power and access to crime scenes and records. Nine residents will be chosen by a selection panel and confirmed by Council to serve on the commission.
The Police Advisory Commission has been criticized as lacking the authority and funding to provide effective oversight, and lawmakers said they hope the new commission will be an improvement.
The administration also added another, separate layer of oversight, hiring Adam Geer, a former prosecutor in the Philadelphia District Attorneys Office, as deputy inspector general for public safety.
READ MORE: A guide to how policing laws in Philly and Pa. changed or didnt after George Floyds murder
Geer said his work will involve identifying areas for policy change and working with the police to make that happen. He hopes the work can be more collaborative than antagonistic.
Theres a real will and a real understanding that this is what the citizens of Philadelphia want and expect, and that they expect real results, Geer said in an interview. In an ideal world, I would present something to the Police Department and they would agree with me ... and there would be a policy change.
The city in recent months also moved to ban choke holds and prohibit using tear gas and rubber bullets against protesters.
The Police Department has also released more detailed narratives of complaints against officers and collaborated with the Police Advisory Commission to examine the internal discipline process. The department is working to implement an early intervention system to track indicators for officer misconduct a process that Gamble, Kenneys spokesperson, said would take at least a year once the city chooses a vendor for the technology. And officers will receive training in implicit bias.
Not all change is that seamless.
Paul Hetznecker, part of a team of lawyers representing demonstrators suing the city over its response to protests last spring in West Philadelphia and on I-676, said he hopes their ongoing litigation will spur officials to agree to further reforms, and achieve the level of transparency and accountability necessary for long-term institutional change to occur within the Philadelphia Police Department.
Another hurdle to significant reform is the contract between the police officers union and the city, which, under state law, is written by a panel of arbitrators, leaving few avenues for meaningful public input. Council in November held a hearing for residents to voice their ideas, but its not clear what impact that may have and the union sued over the practice. That lawsuit is pending.
The current police contract expires July 1. Negotiations over a new pact are ongoing.
In criminal court in recent months, two cases filed against officers for their behavior during the unrest were dismissed by judges who were unconvinced the officers actions were crimes.
District Attorney Larry Krasner had cast the prosecutions as long-overdue steps toward holding police accountable. The people want and deserve justice and change, including police accountability, even though some institutional players are in denial, Krasner said after the second dismissal.
Bullock, the Philadelphia state representative, said that a years worth of activism has spurred real, if incremental, change, and that the challenge moving forward is for officials and citizens alike to sustain energy around the issue.
That work on the ground has informed legislation in the Capitol, Bullock said. I want to encourage people to continue to do that work.
-Staff writer Jeremy Roebuck contributed to this article.
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Boston Red Sox not making progress toward 85% vaccination threshold: It is frustrating because youd like to – MassLive.com
Posted: at 4:00 pm
On Friday, Major League Baseball announced that 16 of its 30 clubs have reached the 85% threshold of vaccinated individuals required to relax COVID-19 protocols and that three more are on pace to join the group in the coming weeks. The Red Sox, however, are among the 11 teams that are not over the threshold or close to it.
The fact the Red Sox are behind most of their counterparts has become a source of frustration in the organization. By allowing teams who reach the threshold to skirt protocols related to quarantining and potentially canceling games, the league has incentivized the vaccination process and give a clear competitive advantage to clubs that reach 85%.
It is frustrating because youd like to be at 100%, team president and CEO Sam Kennedy said. Its really important with the situation were dealing with to have as many people vaccinated as possible. With that said, you have to respect differences of opinion, thought and approach to combatting COVID. We respect the individual players who have decided to not get vaccinated.
The honest answer is it is frustrating because I know the coaching staff and the players who have been vaccinated, youd like to see a relaxing of protocols across the game, Kennedy said.
Manager Alex Cora said last weekend that the club was getting close to reaching 85% but noted Friday that the group had not made any progress toward the threshold in recent days. Until the Red Sox reach 85%, they will have to follow strict MLB guidelines which limit that players and coaches can do away from the field and require coaches to wear masks in the dugout during games.
The Red Sox are having trouble reaching the threshold because of the number of unvaccinated individuals with the WooSox, sources said. To reach the mark, the Sox need to have 85% of covered individuals in the majors and at Triple-A fully vaccinated.
Cora said he respects every individuals decision about getting vaccinated but added that some aspects of the rules have him worried. Because the Red Sox have not yet had their protocols relaxed, any player entering quarantine after being exposed to COVID-19 could cause a domino effect of unavailable players.
I dont think its frustrating, baseball-wise, because I believe this whole thing about vaccination is about the outside world, Cora said. The real world. In our case, obviously, you make the decision you want to make, but as a manager, sometimes you think about all these guidelines and rules.
I always wonder how were going to react if somebody just decides, Ok, Im not vaccinated or, not even that, or if someone in our group because were not at 85% somebody decides to go to a restaurant or to a spa or go out and then all of the sudden that person misses seven days because you have to be put in quarantine because you broke the rules, he continued. Thats the one I always wonder. So far, weve been very disciplined. As the world keeps becoming normal, hopefully we dont see that as a window that we can take advantage (of). Thats my biggest worry.
Though reaching 85% presents a clear competitive advantage, Cora has decided not to mix his feelings about the vaccine with how it affects his teams play on the field. Getting more players and coaches vaccinated would mean the Red Sox would be able to have more freedom at and away from the ballpark, but the club is not trying to pressure anyone into receiving shots.
Throughout the season, Cora has praised his group for following protocols and avoiding COVID-related issues. He hopes that will continue as things begin to open up nationwide.
You can feel it, Cora said. The summer is here, the world is moving forward. Hopefully, we can stay disciplined throughout the process.
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Dynamic WHO dashboard for island states highlights barriers and progress on climate change and health – World Health Organization
Posted: May 18, 2021 at 3:51 am
Small Island Developing States (SIDS) face particularly acute health risks as a result of the climate crisis. Warming temperatures, changing precipitation patterns, rising sea levels and extreme weather events lead to increased risks of injuries, deaths, food insecurity and the spread of vector-borne, waterborne and foodborne diseases.
Despite these growing challenges, island states are leading in the global response to climate change by advocating for limiting global temperature rise to 1.5C; implementing adaptation actions; and establishing climate-resilient and environmentally sustainable health systems.
A new SIDS dynamic data dashboard, launched today, illustrates the progress made by island states to date in responding to the health threats of climate change. The interactive dashboard, presenting data from the WHO UNFCCC Health and Climate Change Country Profiles, visualises key health and climate change indicators to empower SIDS policy makers to:
Alongside the dynamic SIDS dashboard WHO is also publishing a series of SIDS Health and Climate Change Country Profiles, adding to the existing library of these national outputs.
WHO is publishing new country profiles for the Dominican Republic, Mauritius, and Sao Tome and Principe. The country profiles present national climate projections; indicators on health vulnerabilities to and health impacts of climate change; policy responses to health and climate change; and recommendations to address the national health threats posed by climate change. Additional SIDS country profiles will be published in 2021.
The WHO SIDS dynamic data dashboard and country profiles complement each other, and are part of the WHO Special Initiative on Climate Change and Health in SIDS. The SIDS Special Initiative aims to provide health authorities from island states with the political, technical, scientific and financial support to improve understanding and address the health impacts of climate change.
The data presented in the dynamic dashboard allows readers to view data at the global, regional or national level, while the SIDS country profiles provide detailed information on specific health and climate challenges in a given country. Together, the SIDS interactive report and SIDS country profiles are therefore invaluable tools in showing the global, regional and national progress SIDS are making in tackling health and climate change challenges.
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Funding is a key barrier to cities’ climate plan progress: report – Smart Cities Dive
Posted: at 3:51 am
Dive Brief:
CDP provides a platform for cities to disclose, measure and manage their environmental data to build resilience and sustainable economies. It reportedly has the most comprehensive global collection of self-reported environmental data from cities, corporations and investors.
Some of the climate-related hazards that cities say put citizens at risk are extreme heat, increasing extreme storms,flooding,drought and air pollution. Sixty percent of cities are facing risks to their water security. In fact, water supply and sanitation is the city services category most reported to be affected by climate change, followed by public health, environment/forestry, residential and transportation.
Neglecting to properly address these areas with a climate adaptation plan comes with a financial cost as well.The U.S. sustained 22 distinct billion-dollar weather and climate disasters in 2020 that collectively racked up $95 billion in damage to homes, businesses and infrastructure,the American Jobs Plannotes.
Those costs are vexing to cities, particularly as they regularly cite funding shortfalls even without climate adaptation projects. The Biden administration's $2.3 trillion American Jobs Plan, however, could provide a major boost not only for cities' infrastructure, but also for their sustainability and resilience plans. The plan includes $174 billion for electric vehicle infrastructure, $100 billion for power grid improvements, $46 billion in clean energy manufacturing and $35 billion for research into technology that addresses climate change.
"They can't do it alone. It will come down to engagement and support... and it's going to need to be a coordinated effort," Walsh said.
CDP's data disclosure work also helps identify the projects for which cities are seeking financing. In 2020, 97 U.S. cities identified 304 projects worth $25 billion. Transportation was the top sector. About half of the project costs were $5 million or under, which indicates that with just a little help,cities can make critical interventions and investments to tackle climate risk and adaptation,Walsh said.
"These projects showcase a huge opportunity for sustainable infrastructure investment," she said."If we are going to be putting dollars forward, let's not further lock in highly carbon-intensive projects. Let's use these dollars for green infrastructure opportunities... We can accelerate investment in the green economy."
The report notes that buildings, transportation, energy and waste are key areas that have the greatest potential for emissions reductions in most cities.But as of last year, only 50% of cities are optimizing building energy use;42% are addressing transportation emissions; 34% are working to decarbonize the electricity grid and 33% are improving waste operations."Our data shows there is still a gap between what is needed and what cities are doing," the report says.
Meanwhile, the top five actions cities are taking to increase their resilience are tree planting/creating green space, flood mapping, community engagement/education, developing crisis management plans and developing hazard-resistant infrastructure.
Despite the progress, only 169 of the thousands of U.S. cities currently disclose their data to CDP, which is a sign that "we have many more cities and counties to engage with to make sure they're adapting to climate change," Walsh said.
New city climate plans have been coming at a quick pace over the last five years, though.This month Jersey City, New Jersey,and Charleston,South Carolina,joined the pack, while Honolulu did so last year. Walsh also highlighted collaborative action in Florida,where Tampa, St. Petersburg and Orlando committed to climate action plans, waging a friendly competition and sharing best practices on a race to net-zero emissions.
San Diego is also in the process of developing a climate resilience plan to build on its climate action plan from six years ago. One goal of San Diego's resilience plan is to prioritize adaptation strategies in areas where residents are more vulnerable to the effects of climate change but have fewer resources.
As far as holding cities to their climate commitments, Walsh said CDP's reporting process serves as that accountability and transparency measure by presenting a standardized comparison and tracking resource.
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Britain calls for progress with EU on post-Brexit Northern Irish trade – Reuters UK
Posted: at 3:51 am
Britain wants to see progress soon in talks with the European Union on solving the post-Brexit Northern Irish border riddle, with its minister in charge of ties with the bloc urging member states to meet their obligations.
After the United Kingdom left the European Union's orbit at the end of last year, checks were introduced on some goods moving from mainland Britain to Northern Ireland, which has a land border with EU member Ireland.
The checks triggered anger and a perception among pro-British unionists in Northern Ireland that the Brexit deal divides them from the rest of the United Kingdom, a shift they say could sink the 1998 peace deal that brought an end to three decades of violence there.
British Prime Minister Boris Johnson, who had promised there would be unfettered trade between Northern Ireland and the rest of the United Kingdom, unilaterally extended a grace period on certain checks to minimise supply disruption, a move Brussels said breached the Brexit divorce deal.
David Frost, the minister in charge of ties with the EU, said he wanted the bloc to meet its obligations under the Brexit deal to try to minimise barriers in trade between Britain and the province, but had yet to have the conversation. read more
He also said there should be progress before July 12, when Northern Irish loyalists gather to mark the 1690 victory at the Battle of the Boyne by Protestant King William of Orange over Catholic King James of England and Scotland.
"I would like to feel that we will be making progress with the EU in good time before that date," he told a parliamentary committee.
Earlier, the BBC said Britain was asking the EU to introduce checks slowly. From October, checks on fresh meat products could begin, extending to dairy products, plants and wine from the end of Jan. 2022, the BBC reported.
Irish Prime Minister Michel Martin said separately he wanted the deal to work, adding he did not get an immediate sense from his meeting with Johnson that London wanted to rewrite the trading arrangements, as reported this week in the Irish media. read more
"We were very clear and are very clear that this is an international agreement, commitments have been made and it needs to be worked, and the processes that are in it need to be worked also," Martin told an online event when asked about the Irish national broadcaster RTE report.
Preserving the delicate peace without allowing the United Kingdom a back door into the EU's single market via the Irish border was one of the most difficult issues of nearly four years of tortuous talks on the terms of Britain's exit from the bloc.
Some fear the dispute over the Northern Ireland protocol, designed to prevent a "hard" border, could spill over into violent protest in the province in the coming months.
Britain's retail industry lobby group on Monday called for urgent talks between the major supermarket groups it represents and European Union and British officials to discuss proposed new post-Brexit Irish Sea border checks for food products.
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Progress Update on East Dallas Tunnel Project to Address Flooding Problems – NBC 5 Dallas-Fort Worth
Posted: at 3:51 am
With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas. A solution for East Dallas well-documented flood problems has been a long time coming.
Weeks and days where we have large rainfall in a short amount of time, the system is going to struggle, said Sarah Standifer with Dallas Water Utilities. There were some major flood events that were catastrophic where lives and property were lost, and that really set the city forward.
A few years ago, work started on the Mill Creek Drainage Relief Tunnel. Were told during a week like the one were having now, it would make a huge difference.
The latest news from around North Texas.
The tunnel would provide an alternate outfall and would decrease the amount of flooding in some of those areas where the rain was, said Milton Brooks, Project Manager for Dallas Water Utilities.
Its a massive multimillion-dollar project that is under construction some 170 feet below ground. The tunnel is expected to protect more than 2,000 commercial and residential properties. Throughout East Dallas, we see signs of progress being made. Feasibility studies started decades ago, and were now looking at the tunnels completion by Fall 2023.
City officials say the tunnel will have a noticeable impact on areas immediately surrounding the tunnel and south of the tunnel. More capital improvement should be expected beyond its completion date.
We dont say that its going to be dry ground, said Brooks. We dont say that its going to remove all the flooding, its going to reduce the flooding.
For more information on the Mill Creek Drainage Relief Tunnel, click here.
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Progress Update on East Dallas Tunnel Project to Address Flooding Problems - NBC 5 Dallas-Fort Worth
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Progress of kidney function recoverability – IJGM | IJGM – Dove Medical Press
Posted: at 3:51 am
Department of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, Peoples Republic of China
Correspondence: Yuan GaoDepartment of Critical Care Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160 of Pujian Street, Pudong New Area, Shanghai, 200127, Peoples Republic of ChinaTel +86 21 58752345Fax +86 21 58752345Email [emailprotected]
Abstract: Acute kidney injury (AKI) is a critical illness in clinic. The guideline recommendation of kidney disease for improving global outcomes regards urine volume and creatinine as standards to evaluate kidney functions. However, urine volume and creatinine have a certain delay for kidney function evaluation, and these would be interfered by many factors. Whether the renal function of AKI patients can recover is very important, which affects the quality of life of patients. Therefore, the present study reviews the application situation and research progress of the recoverability evaluation of AKI patient kidney function from three aspects: conventional indexes, biomarkers, and imaging methods of kidney function.
Acute kidney injury (AKI) is a common critical illness in clinic. According to a domestic research report, the 90-day fatality rate of AKI patients can reach up to 34%.1,2 According to the follow-up data, it was found that patients with AKI, who have been discharged for 10 years, have a higher fatality rate.3 For surviving AKI patients, 2050% of these patients develop chronic kidney disease, and 5% of these patients develop end-stage kidney disease.4 AKI leads to poor prognosis, and even death.5
The AKI diagnostic standards recommended by KDIGO are as follows: (1) kidney function suddenly decreases within 48 hours, and the absolute value of serum creatinine (SCr) increases 26.5 mol/L (0.3 mg/dL); (2) SCr increases by 1.5 times of the base value; (3) urine volume <0.5 mL/kg.h and time of duration >6 hours.6 Recovery standard within seven days after AKI: (1) complete recovery: the last time SCr within seven days was <1.2 times of baseline; (2) partial recovery: the last time SCr in seven days was >1.2 times of baseline and <1.5 times; (3) no recovery: the last time SCr in seven days was 1.5 times of the diagnosis, or continued renal replacement therapy; (4) non-detection: no duplicate detection was carried out within seven days after diagnosing AKI.7 Its evaluation means include the SCr level, glomerular filtration rate, changes in kidney injury, relevant biological indicators related to kidney function recovery, and (or) other methods to evaluate kidney reserve function and kidney blood perfusion. Therefore, the present study proposes to review the application situation and research progress of the recoverability evaluation of AKI and AKD patient kidney function from three aspects: regular monitoring indicators, biomarkers, and imaging examination.
At present, the conventional indexes to inspect kidney functions in clinic mainly include creatinine, urine volume, glomerular filtration rate, etc. Since it is not suitable to adopt inulin, 51Cr-EDTA, 99TmDTPA, or iodohydrin to measure the glomerular filtration rate for critically ill patients received by the intensive care unit (ICU), the kidney function evaluation for critically ill patients was limited to serum creatinine and urine volume. Creatinine and urine volume are influenced by various reasons, such as gender, age, weight, nutrient status and so on.8 When SCr increases and exceeds the normal range, and the glomerular filtration rate decreases by >50%, this indicates that renal parenchyma damage actually occurred. The creatinine concentration is influenced by body fluid volume change. If the volume is overloaded, the AKI diagnosis may be postponed.9 Furthermore, the urine volume is influenced by the volume state, fluid ADI, diuretic and other factors, and the urine volume decrease may be the reaction of decrease of normal renal perfusion pressure or kidney injury. Therefore, AKI diagnosis, with creatinine and urine volume as the measurement criteria, lacks the ideal sensibility and specificity.10
At present, the biomarkers to evaluate kidney function damage in clinic mainly include the following: neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule 1 (KIM-1), interleukin-18 (IL-18), cystatin C CysC, urinary total protein, matrix metalloproteinase-9, retinol conjugated protein, etc. However, different biomarkers have different advantages and disadvantages. Various previous studies have indicated that the increase in biomarkers, such as IL-18, KIM-1, NGAL and CysC, occurs earlier, when compared to creatinine, urea nitrogen and urine volume, and the combination of these is expected to increase the sensibility of AKI diagnosis.6,11 Although it remains unclear whether there is a factor to stimulate the continuous increase in biomarker level when the kidney injury biomarker level is continuously increased at present, the above biomarker level increase is still considered as a signal of continuous kidney injury. The decrease in kidney injury biomarkers has been used to predict the AKI and AKI recovery after a kidney transplant. These biomarkers did not decline, which may reflect the risk of AKI progressing to AKD or CKD, in addition to indicating irrecoverable.12 Common biomarkers that can be used to evaluate AKI recoverability would be respectively introduced.
NGAL is an apolipoprotein associated with the neutrophil gelatinase, and it is mainly expressed in the epithelial cells of renal proximal tubular cells. After kidney injury, the main sources of urinary NGAL are the renal collecting duct and the ascending branch of the medullary loop.13 Increased NGAL could be detected in early (within two hours) urine of AKI. NGAL is the most valuable biomarker for the diagnosis of AKI, and could be used to predict the severity and duration of AKI. The specificity and sensitivity of NGAL is 81% and 68%, respectively.14 NGAL detected in urine or serum can give a good prediction for kidney injury, but is liable to be influenced by AKI complication, such as sepsis, chronic renal failure, malignant tumor, inflammatory diseases, etc.15 Urine NGAL decreases oxidative stress by adjusting the iron concentration in cells, but this has little significance in AKI patient clinical prognosis as the kidney tissue damage maker.16 In present clinical practice, there is no unified NGAL threshold prediction and evaluation for AKI.
KIM-1 is a I transmembrane glycoprotein, which is mainly expressed on the surface of T cells, but has little expression on healthy kidneys or urine.17 KIM-1 expression in kidney tubular epithelial cells significantly increase after kidney injury.18 Han et al19 conducted a prospective study on clinical cases, and revealed that KIM-1 was detected in urine after 12 hours of kidney ischemic injury. The increase in level is apparently higher than other types of kidney injury. When KIM-1 increases by 1 U, the probability of acute kidney failure would increase by 12 times. Hence, KIM-1 can not only be used for the early diagnosis of AKI, its value can be used for evaluating and monitoring the disease status. Urine KIM-1 level is significantly higher in acute tubular necrosis patients than in patients with chronic kidney disease and contrast nephropathy.20 For the operation of patients, the area under the curve (AUC) values of AKI in children and adult urine KIM-1 is 0.83 and 0.78, respectively.21 KIM-1 in urine can reflect the damage of proximal renal tubular epithelial cells. In acute kidney injury patients, urine KIM-1 begins to increase after two hours of injury, and reaches a peak value within 48 hours. Hence, urine KIM-1 determination is an important biological marker to diagnose AKI, and evaluate the disease status and prognosis.
IL-18 is the proinflammatory factor secreted by kidney tubular cells, macrophages and other antigen-presenting cells. IL-18 kidney tubular cells and macrophages synthesize the IL-18 inactive precursor, and is cracked by cysteine-aspartic protease-1 or released in blood after the secretion of monocytes/macrophages.22 Cleaved IL-18 plays an inflammatory role through receptor and receptor heterodimer signaling pathways. During the ischemic injury, sepsis and malignant tumor period, IL-18 is released in the urine. Then, the urine IL-18 begins to increase within six hours of kidney injury, and reaches a peak within 1218 hours. In a study, within the first three days after cardiac surgery, urine IL-18 is the best predictor of AKI progression or stage I patient AKI death.23 One meta-analysis revealed that the AUC of AKI predicted by the urine IL-18 level was 0.77. This indicates that IL-18 has a moderate or above value in the early diagnosis AKI.24 Furthermore, it is found that urine IL-18 level in patients with cirrhosis can be used to distinguish ischemic acute tubular necrosis and other types of renal damage, and predict the short-term mortality in such patients.25 The increase of IL-18 in urine is liable to be influenced by sepsis, inflammation, lung injury, heart failure, immune injury and other factors, causing this to poorly predict the long-term prognosis of AKI patients.26 However, IL-18 therapy may be used as an AKI therapeutic method in the future.
CysC is mainly generated by karyotes, and this can almost be completely filtered by glomeruli, and finally completely reabsorbed in proximal tubules.27 Hence, there is no CysC in urine. CysC is not influenced by gender, age and muscle content. Furthermore, its distribution volume is 1/3 of creatinine, and it could more quickly reflect the kidney function injury, when compared to serum creatinine. An increase in urine CysC suggests that there is renal kidney injury. Therefore, CysC has certain advantages in the early diagnosis AKI and prognosis evaluation.28 A study revealed that in acute respiratory distress in premature newborns, when the CysC threshold is >1.3 mg/L, the sensitivity and specificity for AKI diagnosis is 92.3% and 96%, respectively. This can earlier predict the occurrence of AKI, when compared to creatinine and the glomerular filtration rate.29 For the early diagnosis of AKI, CysC can diagnose AKI at 2448 hours earlier, when compared to SCr.30 However, for serious kidney injury, since the glomerular filtration rate is significantly decreased, serum CysC has no advantages, when compared to SCr.31
White cartilage glycoprotein 39 is a glycoprotein involved in inflammation, cell protection and repair, and is produced by a variety of cells, which include kidney macrophages. The high urine level of human cartilage glycoprotein-39 in dead kidney donors is not only correlated to AKI, but also correlated to the improvement of graft function and the glomerular filtration rate at six months. This may indicate that the increase of this marker may represent the beginning of an effective repair.12 Hence, human cartilage glycoprotein 39 is a potential biomarker that may be used to predict the severity and recovery of AKI.
In summary, there is no consensus on when to use biomarkers to predict renal recovery time. The reason is correlated to the confounding factors (sepsis, fluid status, etc.) and severity of AKI or AKD, and the determination on whether to accept renal replacement therapy.14 Unlike the use of troponins for confirmation of myocardial infarction, identification of a single marker for AKI seems unlikely.
Since kidney function is significantly correlated with the blood perfusion of renal parenchyma, the dynamic detection of renal blood perfusion may sensitively reflect the changes in kidney function. At present, the common imaging methods for evaluating renal function through clinical application are radionuclide renal dynamic imaging, spiral computed tomography (CT) enhancement scan, magnetic resonance imaging (MRI), and ultrasound.
Radionuclide renal dynamic imaging is the clinical standard of determining the glomerular filtration rate at present, with the classic method of 99mTc-DTPA renal dynamic imaging, Gates. The test method is performed to conduct the radioactive counting of the drug in the kidneys after the intravenous injection of 99mTcDTPA for a period of time, in order to calculate the glomerular filtration rate and the corresponding imaging of urinary system.32 This may provide the information on the morphology of double kidneys, the function of the renal parenchyma, and the unobstructed urinary tract and renal blood perfusion, using the 99mTc-DTPA renal dynamic imaging Gates method. At present, the method applied is the imaging method for obtaining the split-renal function for non-invasive quantification, and this is used to evaluate the severity and prognosis of renal disease in clinic, and the change in illness before and after treatment, and guide the dialysis treatment of patients with renal failure, or evaluate the timing of the renal transplantation.23 However, when the glomerular filtration rate of the patient is decreases to a certain degree, the determination results with this method would no longer be accurate, which may have a certain effect on the evaluation of kidney function and guidance of clinical treatment.33,34 Hence, there are many disputes for the accuracy of renal dynamic imaging through the Gates method.
Iopromide or iohexol is the commonly used CT contrast agent, which would not be secreted or reabsorbed in the kidney tubule.35 This may be used as a tracer agent to determine the kidney function. There is a good linear relation between the concentration of renal CT contrast agent and CT attenuation value. Therefore, the product of kidney volume and CT enhancement value may be used for evaluating kidney function.36 Hence, spiral CT is a reliable tool to determine whether the contrast agent is filtered by the kidney. Renal blood perfusion and renal filtration effect the CT enhancement at different stages, and have different effects on renal CT value.35,36 Therefore, contrast media can cause renal injury, which limits the application of enhanced CT.. The accuracy of kidney function by the CT enhancement scan remains to be improved.
MRI techniques that are applied more in the evaluation of kidney function are diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI). The principles are to reflect the changes in the pathophysiology of renal tissues through the measurement of diffusion of water molecules and tissue perfusion in the kidney. DTI was developed and deepened from DWI, which has quantified the directional preference of water molecule diffusion. The movement characteristics of water molecules can be expressed by the apparent diffusion coefficient (ADC). ADC combines the parameters of dispersion and perfusion to reflect the diffusibility in the whole tissue. The diffusion characteristics of water molecules in the kidney may reflect the kidney function. Some previous studies speculate that the ADC value may directly reflect the damage degree of kidney function, based on the correlation between the ADC value and renal function indicator.37 However, ADC is a semi-quantitative indicator, and can indirectly reflect the kidney function. A large number of studies are still needed to further confirm the sensitivity and specificity of renal function impairment diagnosed by ADC.
Although the information of renal structure and renal blood perfusion can be obtained with the imaging examination methods above, this is not suitable for evaluating the kidney function of patients with kidney injury due to limitations, such as the renal toxicity of contrast agent, expensive examination price, radiation failure of point-of-care, dynamic and bedside testing, etc. Point of care ultrasound has rapidly been developed in recent years. At present, the main ultrasonic methods for evaluating renal perfusion are two-dimensional ultrasound and Doppler ultrasound resistance index determination with ultrasound contrast. For two-dimensional ultrasound, the normal kidney is oval, the renal parenchyma has a low-level echo, which is lower than that of the liver and spleen, under this kind of ultrasound, and the renal sinus presents a high-level echo. The long diameter of the normal kidney was 912 cm, the transverse diameter was 57 cm, and the thickness was 46 cm. The thickness of the renal parenchyma was 1.41.8 cm. The renal long diameter was the most useful parameter to identify acute and chronic renal diseases, and evaluate the kidney function in the two-dimensional measurement parameters of kidneys. At the same time, two-dimensional ultrasound may screen the renal insufficiency that resulted from the cause of obstruction. The renal parenchyma is thickened and kidney volume is increased at different degrees in the case of acute renal insufficiency.38 The acute renal insufficiency, which resulted from the renal venous thrombosis, acute tubular necrosis and acute interstitial nephritis, may lead to the increase of kidney volume. Among the patients who have renal failure that resulted from chronic glomerulonephritis, with the progression of disease, the kidney volume is gradually reduced, the cortex echo is enhanced, and the corticomedullary differentiation is vague.39
Renal blood flow is mainly determined by kidney vessel (including the afferent arteriole, efferent arteriole and interlobar artery) resistance. The changes in renal blood perfusion can be evaluated half-quantitatively through the positioning of the vessels above. Lerolle reported that for critical patients diagnosed with AKI, there was a significant correlation between the increase in resistant index (RI) and occurrence of AKI through the repeated measurement of RI of the interlobar artery or arcuate artery.40 Renal RI has no normal value at present. In general, a healthy persons RI is approximately 0.6, with a high limit of 0.7.41 Radermacher found that the changes in RI of patients after the renal transplantation correlated with the prognosis.42 Some studies have revealed that RI obviously increased at the AKI oliguria stage and migratory stage, and that this was more than 0.7 in general. Furthermore, 23 times of monitoring was conducted every week at the AKI oliguria stage and recovery stage. If RI processivity was reduced, the prognosis would be better, while if RI continued to grow or had no significant decline, this suggested that the prognosis was poorer.43 Measuring RRI immediately after major surgery and using a cut-off value 0.715 may provide an excellent tool in the detection of the onset of AKI.44 However, RI is closely related to cardiac function, vascular elasticity and renal interstitial condition, and is not a good indicator of renal perfusion,45 the measurement of kidney RI by ultrasound are affected by factors, such as the patients breathing activity, body position, arterial compliance and intra-abdominal pressure, etc. Hence, ultrasound cannot accurately quantify the renal blood flow velocity. In recent years, studies on the use of renal RI to determine and evaluate AKI have been steadily decreasing. The investigators consider that for patients with AKI that resulted from different diseases, more studies are needed to evaluate the value of renal RI to AKI in evaluating the critical degree and predicting the prognosis.
Among AKI patients, the changes in renal blood perfusion was significant.44 Furthermore, 90% of the renal blood perfusion is concentrated on the renal cortex, and all or the local renal blood perfusion of the renal cortex have various degrees of changes at the early stage of renal injury.45 The microbubble contrast agent completely cycles in the blood vessel after being injected into the peripheral vein, which belongs to the hemodynamic change, and is similar to red blood cell (RBC) movement. The renal ultrasound contrast imaging successively revealed that the renal-artery-renal cortex-renal medulla was rapidly enhanced. Hence, the early diagnosis of the renal lesion and renal perfusion should be conducted using the ultrasonic contrast value and time intensity curve (TIC) at different time points. In a study on the ultrasound contrast of an AKI rabbit model induced by cis-platinum,46 SCr was found earlier than AKI by the ultrasound contrast, and the severity was evaluated. Cao et al47 reported that the renal ultrasound contrast may dynamically and non-invasively monitor the renal ischemic reperfusion injury and early predict the progression of AKI-CKD. The clinical application of the ultrasound contrast is increasing, but there is still has no accepted renal perfusion standard.48 This limits quantitative renal blood perfusion to some extent.
Even though the biomarker may judge the severity of kidney injury and suggest the patients prognosis to some extent, there is still no standard for diagnosing kidney injury at present. This category is likely to be the diagnosis and evaluation standards for kidney injury when the new biomarker is studied at the same time. For the imaging, bedside ultrasound is a good method for the early evaluation of AKI and renal perfusion, and prediction of the patients prognosis. The dynamic changes in RI may have a certain value to the prognosis of AKI patients. Although there have been few studies, the contrast-enhanced ultrasound technique has exhibited the characteristics of real-time evaluation, no damage and high accuracy to the renal perfusion. In addition, this allows for the more accurate evaluation of the situation of the local and overall kidney of AKI patients, in combination of the targeted drug and contrast agent, using the microbubble technique.
In conclusion, although there are many limitations and disadvantages for evaluating the kidney function of critical patients by creatinine and urine volume, creatinine and urine volume are still the important indicators for diagnosing and evaluating kidney injury.
The authors declare that there are no conflicts of interest.
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In Sharply Worded Letters, Franchot and Kagan Spar Over Progress on 911 Fee Audits Maryland Matters – Josh Kurtz
Posted: at 3:51 am
Its been more than six months since Sen. Cheryl C. Kagan (D-Montgomery) raised a red flag over a lack of 911 fee audits from the Maryland Comptrollers office but she says shes yet to receive any data.
Comptroller Peter V.R. Franchot (D) had paused audits due to the pandemic, but agreed to resume 911 fee audits after Kagan warned of a lack of oversight last November. Although those audits have since resumed, Kagan said in a Thursday letter to Franchot that the states Next Generation 911 Commission hasnt received any information from the comptrollers office.
Kagan is the chair of that commission, which oversaw a revamp of the states 911 fee system. She also sponsored legislation to require comptroller audits of telephone companies that collect 911 fees, warning in 2019 that T-Mobile had overcharged Marylanders for 911 fees for more than a decade.
The commission recommended audits of 911 fees in 2019 after those overcharges came to light, and the General Assembly passed a bill in 2020 requiring regular audits of 911 fee collections. Now in its final year, Kagan wrote that her commission needs those audits to finish their work.
I convened the NG911 Commission last week for our 4th and final year, Kagan wrote. We have an ambitious agenda that will support the counties as they transition to Next Generation 911 in order to save lives. Without your audits, we simply cannot complete our mission.
But Kagan and other commission members might be looking at a long wait to get information. In a letter responding to Kagan on Thursday, Franchot said much of the information in those audits is confidential, and that a full report on those audits isnt due until Dec. 1.
Franchot wrote that Kagans own legislation requiring the audits mandates that information given to his office be confidential, privileged or proprietary, and may not be disclosed to any person other than the telephone company or [commercial mobile radio service] provider.
I hope you did not expect my agency to disclose specific taxpayer information relating to ongoing audits with you or members of the [commission], Franchot wrote. It is not the practice of my agency to publicly disclose which taxpayers or entities are under audit, nor is it permissible by law.
He also attached an email sent to Kagans office in December providing an update on the audit process.
Franchot said Kagans legislation requires his agency to submit an annual report about the 911 fee audits conducted during the immediately preceding year. Since Kagans legislation was enacted in 2020, Franchot wrote, the report on 911 fees for that year is not due until Dec. 1, 2021.
Kagan said late Thursday that she isnt looking for granular, specific data involving individual taxpayers, but rather general information about whether telephone companies are playing by the rules. She said that will help the commissions work and help local governments plan ahead for costs associated with the 911 system.
We just need to know that theyre on it, that theyre addressing it with the company, that the company will fix it, Kagan said.
Franchot blasted the tone of Kagans letter, which he described as patently false and offensive. In her letter, Kagan urged Franchot, who is running for governor, to take time away from the campaign trail to ensure that your taxpayer-paid employees are fulfilling these responsibilities.
Franchot said Kagan was dragging nonpartisan state employees into the argument and listed work his employees have done during the pandemic, including conducting the audits of telephone companies and issuing speedy state stimulus checks after the passage of the RELIEF Act.
Kagan said her concerns were aimed only at Franchot, and not comptrollers office staff. She said she found Franchots response patronizing and dismissive, and feels that the long list of work done was filler that didnt address the issue of 911 fee oversight.
The buck stops here is what Harry Truman said, she said. It would be nice if we thought that the buck stops with the Comptroller.
Franchot called Kagans letter a campaign press release multiple times in his response.
Kagan said she was writing in her capacity as commission chair about a legislative matter. For him to take a pot shot and accuse me of sending out a campaign press release, and say that five times, is ridiculous, Kagan said.
Kagan distributed the letter, written on Senate letterhead, through Constant Contact, which is paid for by her campaign finance entity, and the message said PRESS RELEASE in the subject line. The email also included the line By Authority: Citizens Helping Elect Cheryl Kagan (C.H.E.C.K.).
Franchot pledged in his response to Kagan to continue 911 fee audits to determine if telephone companies are remitting the proper fees to the state.
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Editors Note: This story was updated to include additional details from the letters sent Thursday and to correct the political affiliation of Comptroller Peter V.R. Franchot.
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