Biosensor to Help Enlist Cancer Resistance Fighters? Nov 17, 2009
Biosensor to help enlist cancer resistance fighters ... Biosensor to Help Enlist Cancer Resistance Fighters ... 16, 2009) A powerful new biosensor developed by European researchers will help identify cells in the immune system that actively suppress tumour growth, then put them to use. (Science Daily)
Single-stranded DNA-binding Protein Is Dynamic, Critical To DNA Repair Oct 23, 2009
23, 2009) After learning how DNA interacts with the novel nanomaterial graphene, researchers propose a DNA-graphene nanoscaffold be used as a biosensor to diagnose diseases, detect toxins in tainted food and. (Aug. (Science Daily)
Turfgrass Quality Measurement Improved With GreenSeeker Sensor Oct 23, 2009
27, 2007) A new millimeter-size cantilever biosensor can detect cells and proteins in trace samples and in only minutes. The sensor could have wide applications in medical diagnostic testing including testing. (Science Daily)
Can UK scientists keep us alive till 100? Oct 21, 2009
"For example, we're developing biosensor tools that can detect the presence of antibodies and proteins in the blood. All of these technologies will ultimately reduce suffering in patients through more timely interventions, shorter hospital stays and quicker recovery times.". So how do you feel about this. (CNN -- World)
Tackling Typhoid: First High-throughput Analysis Of Every Salmonella Typhi Gene Oct 19, 2009
18, 2009) For the first time, researchers are able to look at the need for every gene in a bacterial cell in a single experiment. The new method will transform the study of gene activity and the search for weaknesses in bacterial armouries. (Science Daily)
Magnetic Nanotags Spot Cancer In Mice Earlier Than Methods Now In Clinical Use Oct 15, 2009
14, 2009) Searching for biomarkers that can warn of diseases such as cancer while they are still in their earliest stage is likely to become far easier thanks to an innovative biosensor chip developed by Stanford University researchers ... Although the basics of the magnetic detection technology used in the new biosensor were described last year in a paper in the Proceedings of the National Academy of Sciences, the new sensor is not only more sensitive than the previous one by several orders of... (Science Daily)
Hyper-SAGE boosts remote MRI sensitivity Oct 10, 2009
Pines and his group also showed that xenon can be incorporated into a biosensor and linked to specific proteins or other biological molecules to produce spatial images of a chosen molecular or cellular target. The new technique, Hyper-SAGE, for "hyperpolarized xenon signal amplification by gas extraction," offers other major advantages over conventional MRI/NMR techniques in addition to a signal that is up to 10,000 times stronger than previous signals, according to Zhou. (EurekAlert!)
Bacterium Transforms Toxic Gold Compounds Oct 8, 2009
These results open the doors to the production of biosensors. The discovery of an Au-specific operon means that we can now start to develop gold-specific biosensors, which will help mineral explorers to find new gold deposits ... If funding for this research is granted I believe we can produce a functioning biosensor within three to five years, concludes Reith. (Science Daily)
Graphite can mimic iron's magnetism Oct 6, 2009
In particular, graphite could be a promising candidate for a biosensor material. Topics. (India Times, India)
A Flash Of Light Turns Graphene Into A Biosensor Sep 23, 2009
DNA's ability to turns its fluorescent light switch on and off when near graphene could be used to create a biosensor, the researchers propose. Possible applications for a DNA-graphene biosensor include diagnosing diseases like cancer, detecting toxins in tainted food and detecting pathogens from biological weapons ... Engineers invented a device to bring air samples into contact with genetically engineered biosensors in the effort to detect dangerous biological. (Science Daily)
New Method Aims To Stabilize Antibodies Sep 15, 2009
The technique could lead to better biosensors, disease therapeutics and diagnostic reagents and non-laboratory applications, including environmental remediation ... "They could be used to combat diseases like cancer. They can also be used as the basis for biosensors that can continuously detect for pathogens like botulinum, ricin and anthrax in places such as airports and subway stations locations where it is not currently possible to provide ongoing detection of pathogens because antibodies... (Science Daily)
New Biosensor Can Detect Bacteria Instantaneously Sep 9, 2009
8, 2009) A research group from the Rovira i Virgili University (URV) in Tarragona has developed a biosensor that can immediately detect very low levels of Salmonella typhi, the bacteria that causes typhoid fever ... "We have developed a new biosensor that can detect extremely low concentrations of bacteria immediately, easily and reliably," says F. Xavier Rius, lead author of the study and a professor in the Chemometrics, Qualimetrics and Nanosensors research group in the Analytical Chemistry... (Science Daily)
Scientists Hone Technique To Safeguard Water Supplies Aug 31, 2009
"Our key result is that despite real-world conditions that create challenges, free-living microalgae combined with 'work-around' strategies can be used as broad-spectrum automated biosensor systems for continuous monitoring of source drinking water," Greenbaum said. The process uses a fluorometer to measure the fluorescence signal of algae that grow naturally in source water such as Tennessee's Clinch River, which was used in this study. (Science Daily)
New Ultrasensitive Electronic Sensor Array Speeds Up DNA Detection Aug 29, 2009
The biosensor translates the presence of DNA into an electrical signal for computer analysis ... "This sensitivity is best-in-class among electrical DNA biosensors. The design of the sensor also took into consideration the feasibility of mass production in a cost-effective way for expanded usage." ... Another distinctive feature of the biosensor is its ability to capture DNA strands more effectively. (Science Daily)
A safe approach to nanotechnology Aug 20, 2009
And as a biosensor, it can be used as a biomimic membrane to immobilize and modify biomolecules. Now, M.A. Shah and M.S. Al-Shahry of the King Khalid University, in Abha, and A.M. Asiri of the King Abdul-Aziz University, in Jeddah, Saudi Arabia, have discovered a safe and biocompatible route for the synthesis of zinc oxide nano rods. (EurekAlert!)
Ready for his next venture Aug 17, 2009
Joanne S. Lawton Innovative Biosensors founder Joe Hernandez ... Innovative Biosensors just two months before signed a manufacturing and distribution agreement with for its first potential commercial product, a fast-acting biosensor for up to 21 pathogens that the Rockville company hopes to launch by the end of next year ... The company was heavily moving into product development stage, which is a natural time for companies to often make transitions in leadership, sort of at the end of the... (Washington Business Journal, DC)
New DNA And RNA Aptamers Offer Unique Therapeutic Advantages Aug 11, 2009
(July 21, 2009) Scientists have developed a new technique to detect extremely low concentrations of the typhus-inducing Salmonella typhi by using a biosensor, which is based on electrochemical measurements by means. (Dec. (Science Daily)
Chemists explain the switchboards in our cells Aug 4, 2009
Valle-Blisle holds an electronic cocaine biosensor, which uses an artificial DNA biomolecular switch that mimics the natural switches found in cells ... Biosensors are artificial molecular switches that mimic the natural ones, which direct chemical responses throughout the cell. (EurekAlert!)
Cell Membranes Applied To Manufactured Surfaces Could Lead To New Class Of Self-assembling Materials Jul 26, 2009
13, 2008) Patchiness in phospholipid membranes is fundamental to their use as biomolecules and biosensors ... 14, 2007) An artificial nose could be a real benefit at times: this kind of biosensor could sniff out poisons, explosives or drugs, for instance. (Science Daily)
New Biosensor Detects Extremely Low Bacteria Concentrations Quickly, Easily And Reliably Jul 22, 2009
With a novel biosensor, they have been able to detect extremely low concentrations of the typhus-inducing Salmonella typhi ... The Spanish researchers chose to use this aptamer for their biosensor ... If the biosensor is put into a salmonella-containing sample, the microbes stick to the aptamers like flies to flypaper. (Science Daily)
Toxin Detection As Close As An Inkjet Printer Jul 20, 2009
Similar technology may soon be used to develop paper-based biosensors that can detect certain harmful toxins that can cause food poisoning or be used as bioterrorism agents ... In a paper published in the July issue of Analytical Chemistry, John Brennan and his research team at McMaster University, working with the Sentinel Bioactive Paper Network, describe a method for printing a toxin-detecting biosensor on paper using a FujiFilm Dimatix Materials Printer. (Science Daily)
Material World: Graphene's Versatility Promises New Applications Jul 16, 2009
Its unusual properties make it ideal for applications that are pushing the existing limits of microchips, chemical sensing instruments, biosensors, ultracapacitance devices, flexible displays and other innovations ... Low capacitance is particularly desirable for chemical sensing devices and biosensors as it produces a lower signal-to-noise ratio, providing for extremely fine-tuned resolution of chemical or biological agents ... The sensitivity of graphene s single atomic layer geometry and low... (Science Daily)
First Remote, Underwater Detection Of Harmful Algae, Toxins Jul 16, 2009
(July 13, 2009) A method for printing a toxin-detecting biosensor on paper has been developed. The process involves formulating an ink like the one found in computer printer cartridges but with special additives to. (Science Daily)
Chemists Say Antibody Surrogates Are Just A 'Click' Away Jul 15, 2009
(May 1, 2009) 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. (Science Daily)
Optiqua Technologies Establishes Research Centre at PUB's WaterHub Jun 24, 2009
Singapore, June 24, 2009 - (ACN Newswire) - Optiqua Technologies Pte Ltd, the Singapore-based provider of state-of-the-art optical biosensor solutions for the international water industry, announced that it will establish its new Research Centre at national water agency PUB's WaterHub, a one-stop platform for technology, learning and networking ... Optiqua Technologies provides next generation optical biosensor technology for online early warning systems and the detection of organic and... (JCN Network, Japan)
Six New Genome Sequences And Fundamental Insights To The Candida Fungus Family Revealed Jun 3, 2009
(May 11, 2009) Scientists have developed a biosensor that makes it possible to detect small quantities of the fungus Candida albicans, the cause of common sexually-transmitted infections, within just an hour. The. (Science Daily)
Quicker, Cheaper SARS Virus Detector Jun 1, 2009
The basic principle of nanotube and nanowire biosensors for protein detection was first demonstrated in 2001, but the new design by a team headed by Zhongwu Chou and Mark Thompson of the University of Southern California uses two new elements ... "This ; strategy allows every bound [detector molecule] to retain full activity, a clear advantage over antibodies, which [in earlier biosensor designs] are often bound to nanowire surface via amine containing residues randomly distributed over the... (Science Daily)
Boston University biomedical engineers teach bacteria to count May 29, 2009
"If you've engineered an organism to be released into the environment as a biosensor, or you've engineered an organism to go into your body to deliver a therapeutic, in many cases you want to ensure after a certain period of time that the organism is no longer in the environment or your body.". Collins' team designed two separate synthetic gene networks not found naturally in E. coli bacteria. (EurekAlert!)
Portable Device Can Detect Viruses In Minutes May 29, 2009
30, 2007) An interdisciplinary team of researchers led by Yanbin Li, professor of biological engineering in the University of Arkansas Division of Agriculture, has developed a portable biosensor for in-field. (Oct. (Science Daily)
Young ladies win in science May 17, 2009
Li Boynton developed a biosensor from bioluminescent bacteria to detect the presence of contaminants in public water. Li's biosensor is cheaper and easier to use than current biosensors, and she hopes it can be used in developing countries to reduce water toxicity. (EETimes)
Sexually Transmitted Infections: Transistors Used To Detect Fungus Candida Albicans May 12, 2009
ScienceDaily (May 11, 2009) 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) ... The Candida samples, which can be obtained from blood, serum or vaginal secretions, are placed directly on the biosensor, where the interaction between antigens and antibodies changes the electric... (Science Daily)
Nanoneedle: Small In Size, Huge In Applications May 6, 2009
In addition to ferrying tiny amounts of cargo, the nanoneedle can also be used as an electrochemical probe and as an optical biosensor ... "Nanoneedles can be used as electrochemical probes and as optical biosensors to study cellular environments, stimulate certain types of biological sequences, and examine the effect of nanoparticles on cellular physiology." ... Engineers invented a device to bring air samples into contact with genetically engineered biosensors in the effort to detect dangerous... (Science Daily)
New Biosensor For Most Serious Form Of Listeria Food Poisoning Bacteria May 2, 2009
ScienceDaily (May 1, 2009) 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 ... The scientists describe development of the biosensor using so-called heat shock proteins which the body produces in response to stress instead of the antibodies used in other tests ... The new biosensor will reduce the likelihood of false-positive results for Listeria monocytogenes and may... (Science Daily)
Faster detection Apr 16, 2009
Kelantan-born Chan holds a PhD in medical microbiology from Universiti Sains Malaysia (USM), specialising in the development of biosensors for molecular diagnosis of infectious disease. My research focuses on the emerging field of electrochemical DNA biosensors to make diagnosis cheaper, faster and safer ... With this technology platform, I will be able to develop a cheaper, faster and safer portable DNA biosensor system both for point-of-care diagnosis and community use. (The Star Online, Malaysia)
Nanoparticles In Cosmetics, Personal Care Products May Have Adverse Environmental Effects Mar 28, 2009
In a second study on nanotoxicity at the ACS National Meeting, scientists from Utah described development of a new biosensor that flashes like a beacon upon detecting nanoparticles in the environment ... "The novelty of the biosensor is we're able to get responses very, very quickly," she said, "and we can get those answers in the absence of other factors that could bind the challenging compounds." Anderson noted that traditional approaches in measuring bacterial cell growth may take two days. (Science Daily)
Synthetic Biology: Transforming Cells Into Microscopic Biological Computers Mar 23, 2009
Researchers are also developing biosensor devices, which will be able to recognize target substances and microorganisms and interact with them. Adapted from materials provided by. (Science Daily)
Forceful New Method To Sensitively Detect Toxins, Proteins, Developed Mar 19, 2009
The paper won the award for Most Original Contribution at the Tenth World Congress on Biosensors, held in Shanghai, China, May 14-16, 2008 out of 978 competing papers ... "When very few molecules are present in a sample, such as a drop of blood," comments NRL's Dr. Paul Sheehan, "it is critical to try and capture and count every single one." Dr. Paul Sheehan emphasized that "target capture and delivery tends to be a neglected aspect of biosensor design." ... Biosensors and Bioelectronics, 2009;... (Science Daily)
Health Is Going High Tech WIth Camera Pills, Health Sensors And Ultrasound Maps For Surgeons Mar 8, 2009
The pill s sensor package will include sensors based on ultrasound, spectroscopy, and possibly also biosensors, and it will also collect tissue samples ... Biosensors, technology and ultrasound are thus capable of providing better diagnoses, treatments and utilisation of resources not to mention improved working conditions ... For this reason, many people believe that in the future, biosensor technology could be of even greater medical significance than antibiotics have been until today. (Science Daily)
Compact Biosensor For Wide-ranging Applications Under Development Feb 19, 2009
NRL has developed a highly sensitive, portable biosensor system called the compact Bead Array Sensor System (cBASS) ... Researchers at NRL began working on the magnetoelectronic biosensor concept more than a decade ago, under the leadership of Dr. Richard Colton and former NRL researcher Dr. David Baselt ... Ultimately, the success of the NRL's magnetoelectronic biosensor depends on the performance of the microbead label assays whose continued development is currently spearheaded by Dr. Shawn... (Science Daily)
New Method For Screening Thousands of Proteins: Major Step For Drug Discovery And Diagnostics Feb 18, 2009
13, 2008) Scientists have developed a biosensor with an artificial membrane, which means that membrane-bound proteins can retain their natural structure and function. The method facilitates the study of the. (Science Daily)
