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Tag: "matched" at biology news

Biomarkers isolated from saliva successfully predict oral and breast cancer

... cell carcinoma and 40 breast cancer patients, and matched each with saliva and blood from otherwise normal subjects. New techniques were developed to halt RNA degradation so the scientists could recover as much mRNA as possible for their samples. In all, the new techniques allowed the scientists to harvest ...

Programmable cells: Engineer turns bacteria into living computers

... So far, said Weiss, the experimental results have matched the computer models fairly closely, but the goal is to have a mathematically exact description of how each component works. "One of the nice things about synthetic biology is that because we built the network from scratch, we should be able to model...

Breast-Cancer Risk Linked to Exposure to Traffic Emissions at Menarche, First Birth

...rved as cases. Controls were randomly selected and matched to cases on age, race and county of residence. Researchers in the WEB study conducted in-depth personal interviews with study participants to collect data on potential breast-cancer risk factors and a history of where they had lived at different tim...

Vascular structure and function improve with diet and exercise

... of the diet and physical activity prescribed were matched to fitness level in an individually tailored fashion and delivered in a family practice setting as opposed to a hospital or laboratory." The randomized, single-blind trial of SNAC intervention versus usual care lifestyle counseling included 38 patie...

Gene sequencing explains bioremediation 'bug'

...ilar tothe excision of jumping genes, but none had matched one of itscharacteristic oddities: As the unwanted DNA is being removed, theremaining DNA forms a tiny loop.Unexpectedly, when Hermes is being cut out of the DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoct...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...ilar tothe excision of jumping genes, but none had matched one of itscharacteristic oddities: As the unwanted DNA is being removed, theremaining DNA forms a tiny loop.Unexpectedly, when Hermes is being cut out of the DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoct...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...ilar tothe excision of jumping genes, but none had matched one of itscharacteristic oddities: As the unwanted DNA is being removed, theremaining DNA forms a tiny loop.Unexpectedly, when Hermes is being cut out of the DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoct...

Jumping gene helps explain immune system's abilities

...ilar tothe excision of jumping genes, but none had matched one of itscharacteristic oddities: As the unwanted DNA is being removed, theremaining DNA forms a tiny loop.Unexpectedly, when Hermes is being cut out of the DNA, the leftover DNAalso forms a hairpin loop, temporarily doubling back on itself,postdoct...

Open microfluidic and nanofluidic systems

... the geometry of the surface channels is carefully matched with their wettability (PNAS 102, 1848-1852 (2005). Many research groups around the world work towards the construction of "labs-on-a-chip" in order to integrate chemical and biochemical analyzers on the micrometer or even nanometer scale. These dev...

Color-blind method opens new doors in DNA sequencing

...ulsed multiline excitation, uses four lasers, each matched to a particular dye. PME enables the researchers to take advantage of the entire visible spectrum, eliminating the problem of cross-talk between dyes, said Metzker. Because there are four lasers, scientists can manipulate the system so that each dye...

The secret lives of whales

...served that the distribution of singers is closely matched to the distribution of zooplankton, and suspects that shifts in singer distribution coincide with shifts in food distribution. Now, he is studying reactions of whales to sound pollution, tracking how whales move away or go quiet as human activities e...

Improved Outcomes Releases GeneLinker(TM) Gold and Platinum Version 4.6

...ducts. The feature sets in either productcannot be matched by any of our competitors at their respective pricepoints," said Radcliffe. "It also demonstrates our commitment toserving user needs--analysis of protein biomarker data, identifyingchannels that statistically distinguish between different classes an...

Bacteria collection sheds light on urinary tract infections

...researchers found that the E.coli causing the UTIs matched genetically with a sample of E.coli obtained from ...ausing bacteria and found that a sample from a cow matched well with the E.coli found in humans. The team also found that the E.coli causing the infections is ...

Topical treatment shown to inhibit HIV and herpes simplex virus infection

...of a single intravaginal dose of PRO 2000 gel or a matched placebo gel. CVL specimens were tested for their ability to prevent HIV and HSV infection of susceptible human cells in culture. Levels of inflammatory cytokines were also measured as markers of acute inflammation. Analyses showed that CVL obtained ...

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