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Bio-Chip & Nanotechnology
Particles, Molecules Prefer Not to Mix PDF Print E-mail
Tuesday, 12 May 2009 08:46
In the world of small things, shape, order and orientation are surprisingly important, according to findings from a new study by chemists at Washington University in St. Louis.
Sexually Transmitted Infections: Transistors Used to Detect Fungus Candida Albicans PDF Print E-mail
Monday, 11 May 2009 07:27
The Nanosensors group from the Universidad Rovira i Virgili has created a biosensor, an electrical and biological device, which is able to selectively detect the Candida albicans yeast in very small quantities of only 50 cfu/ml (colony-forming units per millilitre).
Major Step toward Faster Chips Achieved PDF Print E-mail
Friday, 08 May 2009 08:39
New research findings could lead to faster, smaller and more versatile computer chips.
Nanotechnology Holds Promise for STD Drug Delivery PDF Print E-mail
Monday, 04 May 2009 13:05
Yale researchers describe a breakthrough in safe and effective administration of potential antiviral drugs — small interfering RNA (siRNA) molecules that silence genes — the first step in development of a new kind of treatment for sexually transmitted diseases (STDs).
Nanoparticle Delivery System Developed to Induce Immunity to Certain STDs PDF Print E-mail
Monday, 04 May 2009 12:54
Chlamydia trachomatis is the most common bacterial agent of sexually transmitted disease, accounting for more than a million reported infections in the United States each year.
Carbon Nanotube Device that Can Detect Colors of the Rainbow Constructed PDF Print E-mail
Thursday, 30 April 2009 16:21
Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule transformations, study how those molecules respond to light, observe how the molecules change shapes, and understand other fundamental interactions between molecules and nanotubes.
Cutaneous Application of Nanoparticles Offers Hope for Treatment of Erectile Dysfunction PDF Print E-mail
Monday, 27 April 2009 07:56
Cutaneous application of nanoparticles may offer a new means of delivering drugs to treat erectile dysfunction (ED), according to findings presented at the 104th Annual Scientific Meeting of the American Urological Association (AUA). Topical treatments for ED may offer localized therapeutic results with the benefit of lower dosage and the avoidance of adverse side effects due to systemic absorption.
Discovery of an Unexpected Boost for Solar Water-splitting Cells PDF Print E-mail
Friday, 24 April 2009 08:00
A research team from Northeastern University and the National Institute of Standards and Technology (NIST) has discovered, serendipitously, that a residue of a process used to build arrays of titania nanotubes—a residue that wasn’t even noticed before this—plays an important role in improving the performance of the nanotubes in solar cells that produce hydrogen gas from water.
New Way to Distinguish Cancerous from Normal Cells PDF Print E-mail
Tuesday, 21 April 2009 07:22
A group of Clarkson University researchers led by Nanoengineering and Biotechnology Laboratories Center (NABLAB) Director Igor Sokolov has discovered a previously unknown feature that distinguishes cancer from normal cells: the difference in cell surface properties.
Shrinking Size of Nanotechnology Circuitry with Novel Technology PDF Print E-mail
Monday, 20 April 2009 17:01
A University of Colorado at Boulder team has developed a new method of shrinking the size of circuitry used in nanotechnology devices like computer chips and solar cells by using two separate colors of light.
New Nanocrystals Show Potential for Cheap Lasers, New Lighting PDF Print E-mail
Tuesday, 12 May 2009 08:41
For more than a decade, scientists have been frustrated in their attempts to create continuously emitting light sources from individual molecules because of an optical quirk called "blinking," but now scientists at the University of Rochester have uncovered the basic physics behind the phenomenon, and along with researchers at the Eastman Kodak Company, created a nanocrystal that constantly emits light.
Chemists Discover Rare Rydberg Molecule with 'New' Type of Bonding PDF Print E-mail
Friday, 08 May 2009 08:40
A rare “Rydberg” molecule discovered by scientists from the University of Stuttgart and University of Oklahoma upheld scientific theory predicting the molecule existed. The team used a gas of rubidium atoms cooled to a temperature of 3 millionths of a degree above absolute zero to produce the molecule. The longest-lived molecule produced by the team survived only for 18 microseconds.
Cancer: Detecting, Targeting and Disabling Tumor Cells, All in One Step PDF Print E-mail
Friday, 08 May 2009 07:49
Korean researchers led by Tae Gwan Park and Jinwoo Cheon have developed the basis for a four-in-one agent that can detect, target, and disable tumor cells while also making them macroscopically and microscopically visible.
Targeting Tumors Using Tiny Gold Particles PDF Print E-mail
Monday, 04 May 2009 13:03
It has long been known that heat is an effective weapon against tumor cells. However, it's difficult to heat patients' tumors without damaging nearby tissues.
New Biosensor for Most Serious Form of Listeria Food Poisoning Bacteria PDF Print E-mail
Friday, 01 May 2009 09:13
Scientists in Indiana are reporting development of a new biosensor for use in a faster, more sensitive test for detecting the deadliest strain of Listeria food poisoning bacteria. That microbe causes hundreds of deaths and thousands of hospitalizations each year in the United States, particularly among people with weakened immune systems. 
Single-molecule Nano-vehicles Synthesized: 'Fantastic Voyage' Not so Far-Fetched PDF Print E-mail
Monday, 27 April 2009 07:58
Imagine producing vehicles so small they would be about the size of a molecule and powered by engines that run on sugar. To top it off, a penny would buy a million of them.
More than One Nanostring to their Bow: Scientists Moving Closer to 'Artificial Noses' PDF Print E-mail
Friday, 24 April 2009 08:02
These days, chemical analysts are expected to track down even single molecules. To do this highly sensitive detective work, nano researchers have developed minute strings that resonate in characteristic fashion. If a molecule docks onto one of the strings, then it becomes heavier, and its oscillations become measurably slower. Until recently, however, such “nano-electromechanical systems”, or NEMS, have been short of practical applications.
New Wireless Sensor First for Instant Monitoring of Brain Oxygen PDF Print E-mail
Friday, 24 April 2009 07:44
Scientists in Italy and Ireland are reporting development of the first wireless sensor that gives second-by-second readings of oxygen levels in the brain. The new microsensor — smaller than a dime — could become the basis for tiny devices to help test drugs and other treatments for patients with traumatic brain injury, Alzheimer's and Parkinson's diseases, and other conditions.
Self-assembled Nanowires Could Make Chips Smaller and Faster PDF Print E-mail
Monday, 20 April 2009 17:02
Researchers at the University of Illinois have found a new way to make transistors smaller and faster. The technique uses self-assembled, self-aligned, and defect-free nanowire channels made of gallium arsenide.
Scientists Synthesize Gold to Shed Light on Cells' Inner Workings PDF Print E-mail
Friday, 17 April 2009 10:28
Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN), one of the research institutes of Singapore's A*STAR (Agency for Science, Technology and Research).
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