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New technology illuminates protein interactions in living cells
While fluorescence has long been used to tag biological molecules, a new technology developed at Yale allows researchers to use tiny fluorescent probes to rapidly detect and identify protein interactions within living cells while avoiding the biological disruption of existing methods, according to a report in Nature Chemical Biology. view more (2007-11-12)
Optimized DNA chip for resistance research. Researchers at Fraunhofer IGB prove single nucleotide polymorphisms in the pathogenic human fungus Candida albicans
Resistant pathogens are becoming an increasing problem in hospitals. One of the most common infectious germs is the pathogenic human fungus Candida albicans. In Germany alone, Candida infections kill several thousand people each year. Patients whose immune systems have been weakened as a result of chemotherapy or organ transplants are particularly... view more... (2003-08-06)
Nanotube flickering reveals single-molecule rendezvous
In the quantum world, photons and electrons dance, bump and carry out transactions that govern everything we see in the world around us. view more (2007-06-08)
Gold nanoparticles could improve antisense cancer drugs
In the fight against cancer, antisense drugs, which prevent genes from producing harmful proteins such as those that cause cancer, have the promise to be more effective than conventional drugs, but the pace of development of these new drugs has been slow. view more (2006-05-19)
Disposable sensor uses DNA to detect hazardous uranium ions
Researchers at the University of Illinois at Urbana-Champaign have developed a simple, disposable sensor for detecting hazardous uranium ions, with sensitivity that rivals the performance of much more sophisticated laboratory instruments. view more (2007-02-15)
Integrated optical trap holds particles for on-chip analysis
A new type of optical particle trap can be used to manipulate bacteria, viruses and other particles on a chip as part of an integrated optofluidic platform. view more (2009-07-06)
Carnegie Mellon rover heads to Atacama Desert for final mission in 3-year search for life
Carnegie Mellon University researchers and their colleagues from NASA's Ames Research Center, the universities of Tennessee, Arizona and Iowa, as well as Chilean researchers at Universidad Catolica del Norte (Antofagasta) are preparing for the final stage of a three-year project to develop a prototype robotic astrobiologist, a robot that can... view more... (2005-08-11)
New paper offers insights into 'blinking' phenomena
A new paper by a team of researchers led by University of Notre Dame physicist Bolizsár Jankó provides an overview of research into one of the few remaining unsolved problems of quantum mechanics. view more (2008-07-02)
Mayo Clinic finds new pathology tests double sensitivity to detect bile duct and pancreatic cancers
Pancreatic cancer and bile duct cancer are difficult to diagnose and often fatal because they are discovered in the advanced stages of the disease. view more (2009-06-01)
Research measures movement of nanomaterials in simple model food chain
New research shows that while engineered nanomaterials can be transferred up the lowest levels of the food chain from single celled organisms to higher multicelled ones, the amount transferred was relatively low and there was no evidence of the nanomaterials concentrating in the higher level organisms. view more (2008-06-02)
Solexa Announces Progress in its Single Molecule Array Technology at BioArrays Europe Conference
Speaking at BioArrays Europe (Cambridge, UK, 30 Sept-1 Oct), Dr Tony Smith, Chief Technology Officer (CTO) of Solexa, presented data on the progress of the Company`s proprietary Single Molecule Array™ technology for human genetic variation applications, highlighting significant progress in the massively parallel detection of single molecules... view more... (2002-10-01)
DNA-wrapped carbon nanotubes serve as sensors in living cells
Single-walled carbon nanotubes wrapped with DNA can be placed inside living cells and detect trace amounts of harmful contaminants using near infrared light. view more (2006-01-27)
Shining sweetness â€" fluorescent sugars shed new light on future TB therapies
The discovery that fluorescent sugar molecules mark important enzymes of the tuberculosis bacillus will facilitate investigation of the potential importance of the enzymes for future tuberculosis (TB) therapies. This insight is a gratifying "by-product" of research at the Institute of Organic Chemistry at the Graz University of... view more... (2003-05-19)
Boston University scientists first to see RNA network in live bacterial cells
Scientists who study RNA have faced a formidable roadblock: trying to examine RNA's movements in a living cell when they can't see the RNA. Now, a new technology has given scientists the first look ever at RNA in a live bacteria cell-a sight that could offer new information about how the molecule moves and works. view more (2009-10-23)
Fuels from Biomass: New Technique Can Fast-Track Better Ionic Liquids for Biomass Pre-Treatments
Understanding how ionic liquids dissolve lignocellulose will help scientists find new and better ways of producing advanced fuels from biomass
They've been dubbed "grassoline" - second generation biofuels made from inedible plant material, including fast-growing weeds, agricultural waste, sawdust, etc. - and numerous scientific... view more... (2009-07-13)
'Strained' quantum dots show new optical properties
Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their size and possible toxicity. view more (2008-12-08)
Singapore scientists synthesize gold to shed light on cells' inner workings
Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN). view more (2009-04-16)
Penn Researchers Demonstrate a New Model for Drug Discovery With a Fluorescent Anesthetic
A collaboration of University of Pennsylvania and University of Wisconsin chemists and anesthesiologists have identified a fluorescent anesthetic compound that will assist researchers in obtaining more precise information about how anesthetics work in the body and will provide a means to more rapidly test new anesthetic compounds in the search for... view more... (2009-04-06)
Tiptoe through the tulips
Scientists have discovered that plant leaves activate defence mechanisms against plant eating insects within twenty seconds of an insect walking across them. Dr Alan Bown will be presenting the results of his footsteps research at the Society for Experimental Biology conference on Tuesday 9 April. view more (2002-04-04)
Ultrasensitive detector promises improved treatment of viral respiratory infections
A Vanderbilt chemist and a biomedical engineer have teamed up to develop a respiratory virus detector that is sensitive enough to detect an infection at an early stage, takes only a few minutes to return a result and is simple enough to be performed in a pediatrician's office. view more (2009-06-29)
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