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Tag: "detection" at biology news

Researchers discover way to make cells in the eye sensitive to light

...t of the team who previouslydiscovered a new light detection system in the eye, totally independentof the rods and cones, which were thought to be the only systemsproviding sight. They measured light-induced pupillary constriction ingenetically modified mice that lacked melanopsin. When the mice lackingmelanop...

Novel technology detects human DNA mutations

...olymorphism (SNP) genotyping, which is the direct detection of a particular gene and the extent to which it is...Number 2), issue of Nucleic Acids Research, allows detection of a SNP in an unknown genotype with a greater than 99 percent confidence threshold and can be used ...

Scientists detect probable genetic cause of some Parkinson's disease cases

... is no strongfamily history, could lead to earlier detection of Parkinson's disease.Further study of how this gene works also might help scientistsidentify new treatments."In addition to Dr. Singleton, the collaborative work was spearheaded byWilliam C. Nichols, Ph.D., of Cincinnati Children's Hospital, Tatian...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

...hetic antibodies that could beespecially useful in detection and treatment of infectious organismsthat could be used by terrorists....

Study Links Ebola Outbreaks To Animal Carcasses

...ns such as WCS are therefore critical to the early detection of the conditions that can lead to deadly health emergencies." ...

Imaging Lymph Nodes with Nanoparticles

...application involving the buzzword "nano" - cancer detection using nanoparticles and MRI (magnetic resonance imaging) : Accurate staging of cancers is one of the most important parts of thework up of patients for both prediction of prognosis and determinationof the most appropriate treatment. And an essential...

Breakthrough Microarray-based Technology for the Study of Cancer

...nsitivity, and reproducibility that allowsreliable detection of alterations at the scale of individual genes andeven introns and exons. This advancement, along with the possibility itprovides to correlate genomic copy alterations with mRNA abundance andprotein abundance, is going to incite a huge body of exper...

Color-blind method opens new doors in DNA sequencing

A "color-blind" method of fluorescence detection developed by researchers at Baylor College of Medi... or a battlefield. "We could eventually do direct detection of a DNA sequence from native DNA" without manipulation now performed in the laboratory, said Dr. Mi...

Essential mangrove forest threatened by cryptic ecological degradation

...ion is an aim. The research team argues that early detection of such changes should be adopted and is essential for the prevention of further mangrove degradation. F. Dahdouh-Guebas, S. Hettiarachchi, D. Lo Seen, O. Batelaan, S. Sooriyarachchi, L.P. Jayatissa, and N. Koedam: "Transitions in Ancient Inland Fre...

Study shows nanoshells ideal as chemical nanosensors

...all structures such asindividual cells, or for the detection of very small amounts of amaterial, like a few molecules of a deadly biological or chemicalagent....

Devising Nano Vision for an Optical Microscope

...suggests that a novel combination of illumination, detection and computing technologies can circumvent this limitation. Success would extend the technology’s 400-year-long record as an indispensable imaging and measurement tool well into the expanding realm of nanotechnology. Called phase-sensitive, scatter-f...

Boosting HIV screening can increase survival and is cost effective

...ective, inexpensive tests. Most importantly, early detection speeds linkage to proven, life-prolonging care and effective counseling to prevent further transmission." Rochelle Walensky, assistant professor of medicine at Harvard and a co-author of the study, added, "The HIV epidemic is no longer confined to a...

Applied Biosystems Introduces Advanced Gene Expression Service Provider Program

...Array System is a highly sensitive gene expression detection system. The system detects more genes and achieves...ase in sensitivity while using less sample for the detection of genes expressed at very low levels compared with conventional fluorescent microarrays. The system...

Harnessing microbes, one by one, to build a better nanoworld

...Array System is a highly sensitive gene expression detection system. The system detects more genes and achieves...ase in sensitivity while using less sample for the detection of genes expressed at very low levels compared with conventional fluorescent microarrays. The system...

Researchers develop rapid diagnostic tool for pathogen identification

... technology previously used for DNA sequencing and detection of genetic polymorphisms. Genetic probes for patho...s with minimal labor, and will allow comprehensive detection of co-infections.?/p> “The high multiplexing capability and sensitivity of the approach is provi...

Yale researchers identify molecule for detecting parasitic infection in humans

...ein molecule that is used by the immune system for detection of parasitic infections, leading the way for development of future vaccines to combat these infections. Published in the April 28 issue of Science Express, the study provides insight into understanding how infectious parasites interface with the imm...

Drug-resistant bacteria on poultry products differ by brand

...lation methods and new methods modified to enhance detection of fluoroquinolone-resistant Campylobacter, they compared retail products purchased at grocery stores in Baltimore, Md. A high percentage of the products from the two conventional brands were contaminated with fluoroquinolone-resistant Campylobacter ...

Programmable cells: Engineer turns bacteria into living computers

... work, this sensing system could be useful for the detection of chemicals or organisms in laboratory tests. "The bull's-eye could tell you: This is where the anthrax is," said Weiss. The researchers published their results in the April 28 issue of Nature. In addition to Weiss and Basu, authors of the paper ar...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

A unique rover-based life detection system developed by Carnegie Mellon University sci...ld be deployed in future Mars missions. "Our life detection system worked very well, and something like it ultimately may enable robots to look for life on Mars...

Nanoscale Diagnostic Sets Sights on Alzheimer's

...anoparticles and bio-bar codes bring sensitive DNA detection - Nanoparticle-Based Bio–Bar Codes for the Ultrasensitive Detection of Proteins - Bio-Barcode Diagnostic Method Could Rival PCR If proven successful in further clinical studies, the procedure could become the first tool for early diagnosis of ...

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(Date:10/15/2014)... is a non-traditional biophysics textbook and it describes how ... journey of discovery into biological systems and provides an ... It is about how our genes make proteins that ... of cells in an organism. It quantifies the principles ... can be found on both large and small scales. ...
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