Nanoswitch changes its configuration based on surrounding pH level

Dartmouth researcher Ivan Aprahamian and his team have developed a new molecular switch that changes its configuration as a function of the pH of the environment.

Electronic Materials Company Cambrios Announces Closing $14.5 Million Round [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Europe's 'Extreme light infrastructure' project gears up for launch [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Industrial nanotechnology processes getting closer [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Konsultation zum Austria Nano-Aktionsplan [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Bewegungen von Viren auf Membranen live verfolgen [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Thailand Nanotechnology Conference on health, energy, environment [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Samsung Intensifies Advanced Foundry Logic Process Development with New Semiconductor Research Center [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Infineon and TSMC to Jointly Develop 65nm Embedded Flash Process Technology For Automotive and Chip Card Applications [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Abraxis Health Dedicates State of the Art Nanotechnology and Biologics Facility in Phoenix, Arizona [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Beneq Announces The First Continous Mode Atomic Layer Deposition Research Tool [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
An electron microscope with glasses [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Give your opinion on the Nanotechnology Research Code of Conduct [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Presentations from the OECD Conference on the Potential Environmental Benefits of Nanotechnology [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
DFI Nanotechnology Expands Into China With Strategic Alliance in Hong Kong [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Pre-announcement: Call for proposals within 'Energy Efficiency with Nanotechnology' [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
This week in nanotechnology [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
New funding for development and deployment of UAlbany nanofabrication strategies [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Applied Materials Acquires the Assets of Advent Solar [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Advanced Researcher Grant 2009 an Nanowissenschaftlerin Luisa de Cola [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Ocean Optics Launches Dedicated OEM Website [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
New synthetic molecules trigger immune response to HIV and prostate cancer [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Computer predicts reactions between molecules and surfaces, with 'chemical precision' [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Austria showcases its nanotechnology initiative [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Nanocapsules for artificial photosynthesis [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Work begins on laboratory for world's strongest microscope [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
New cancer detection method with fluorescent silica beads [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Die Magnetisierung einzelner Atome manipulieren [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Novel nanoparticles could become a safer alternative to gene therapy delivered by viruses [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
DOE awards Argonne, partners more than $7 million for solar energy-related research projects [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Magnetic nanoparticles to simultaneously diagnose, monitor and treat [Last Updated On: November 8th, 2009] [Originally Added On: November 8th, 2009]
Study of ultracold atoms proves theory about universal quantum mechanism [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
RUSNANO Supervisory Council approves nanostructured non-metallic coatings project [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Julian Wess Award for outstanding achievements in elementary particle and astroparticle physics [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
New Pegasus300 Sold to Leading French Research Institute for CMOS Packaging [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Soitec Expands Into the Fast Growing Solar Energy Market With the Acquisition of Concentrix Solar [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Students send microbe nanobiotechnology experiment on Space Shuttle Atlantis [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Photovoltaic cells to power biological nanorobots inside the body [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Environmental and human health impacts of nanotechnology [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Elusive 'hot' electrons captured in ultra-thin solar cells [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Light-generating transistors to power labs on chips [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Combining rare-earth clusters with traditional metal catalysts reveals secrets of chemical transformation [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Hexagon Expands Its Offering in the Vision Metrology Business [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Azaya Therapeutics Receives FDA Authorization to Start Phase I Cancer Trial [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Researchers engineer bacteria to turn carbon dioxide into liquid fuel [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Argonne creates green home for world-class nanotechnology research [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
The mechanism behind superinsulation may lead to new types of electronics [Last Updated On: December 13th, 2009] [Originally Added On: December 13th, 2009]
Biosensors change color when they detect specific neural messages [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
First measurement of cancer biomarkers in whole blood [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Nanoprobes hit targets in tumors, could lessen chemo side effects [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
EYP/energy group joins UAlbany NanoCollege's National Institute for Sustainable Energy [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Scientists isolate new antifreeze molecule in Alaska beetle [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Ocean Optics XR-Series Spectrometers Cover 200-1050 nm Wavelengths [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
All-in-one cancer-killing nanoparticle can be tracked in real time with MRI [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Nanobodies modifizieren die Form und Funktion von Proteinen [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Elias A. Zerhouni, M.D. to Join Leica Microsystems' Parent Company Board of Directors [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
France to invest billions in nanotechnology [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
AlphaRx Appoints President for its China Operations [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Vistec Enters Into Electron-Beam Lithograpy Project With Moscow University [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Record-breaking ultrasensitive spectrometer identifies trace gases in real time [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
NanoMech Receives Navy Contract to Develop Nanotechnology Lubricant [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Heart cells display a behavior-guiding 'nanosense' on new lab-on-a-chip [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
New curriculum mixes nanotechnology and skiing [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Rexahn and TheraTarget Form Nanotechnology Research Collaboration [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Unidym Enters Agreement to Integrate Carbon Nanotube Films Into LCDs [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Carl Zeiss Meditec Closes Financial Year on a High [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
The Scott Partnership Appointed to Launch Innovative New Printed Electronics Business [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
New Centre for Molecular Epidemiology to put bacteria on the world map [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
New nanotechnology association established to address 21st century natural resource and energy security challenges [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
Analysis of information gathering initiatives on manufactured nanomaterials [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
OECD publishes manufactured nanomaterials roadmap 2010 [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
New imaging technique allows quick evaluation of graphene sheets [Last Updated On: December 14th, 2009] [Originally Added On: December 14th, 2009]
National Institute of Standards and Technology invests up to $71 million in new manufacturing, infrastructure research and development [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
Southwest Nanotechnologies Recieves Two Prestigious Research Grants To Deveop A New Generation of Carbon Nanotubes [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
Nanolithographic technique allows multiple chemicals on a single chip [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
Study documents puzzling movement of electricity-producing bacteria near energy sources [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
Erstmals Daten aus lebenden Zellen: Optisches Verfahren misst molekulare Reaktionszeiten [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
New Constant Diameter NeedleProbes with Unique Ability to Measure Liquid Surface Properties by AFM [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
Chemical Nanotechnology Talks X: Green nano - challenges of sustainability [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
Patents Issued for Licensed PAL-M Super-resolution Technology [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]
International Network CONTACT researches the use of carbon nanotubes in various applications [Last Updated On: December 16th, 2009] [Originally Added On: December 16th, 2009]