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Tag: "laboratories" at biology news

Research advances quest for HIV-1 vaccine

...cine design when scientists from multidisciplinary laboratories come together to tackle a major scientific challenge. " ### Rosa M.F. Cardoso, Michael B. Zwick, Robyn L. Stanfield, Renate Kunert, James M. Binley, Hermann Katinger, Dennis R. Burton, and Ian A. Wilson: "Broadly Neutralizing Anti-HIV Antibody 4E10...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

...ed in these investigations should be common across laboratories so that results from one lab can be verified by others. "We are moving in that direction,?he adds. “The technology being used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researc...

New species from old data

...ed in these investigations should be common across laboratories so that results from one lab can be verified by others. "We are moving in that direction,?he adds. “The technology being used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researc...

Cracking the olfactory code in bees

...ed in these investigations should be common across laboratories so that results from one lab can be verified by others. "We are moving in that direction,?he adds. “The technology being used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researc...

Study Demonstrates Gene Expression Microarrays are Comparable and Reproducible

...st time that microarray datagenerated in different laboratories can produce highly comparableresults. For this com... 15, 2005,Clinical Cancer Research*, four separate laboratories analyzed geneexpression (whether genes are turned on or off) for the same set ofhuman tumor tissues....

Signaling protein builds bigger, better bones in mice

...ed in these investigations should be common across laboratories so that results from one lab can be verified by others. "We are moving in that direction,?he adds. “The technology being used to develop a variety of proteomic diagnostic tests is getting better and we are getting more reproducible results.? Researc...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

...roscope will be brought to the marketplace, giving laboratories everywhere fascinating new insights into living organisms. EMBLEM Technology Transfer GmbH (EMBLEM), the commercial entity of the European Molecular Biology Laboratory (EMBL), announced today that it has signed a licensing deal with technological lea...

UCSD researchers maintain stem cells without contaminated animal feeder layers

...liminating their therapeutic value. While several laboratories have attempted to grow stem cells in alternative cultures, problems have remained. In some cases, human feeder layers were developed but this added another measure of complexity to the culture system, Hayek noted. In recent studies in Wisconsin and M...

Open microfluidic and nanofluidic systems

...a-chip", i.e., integrated chemical and biochemical laboratories shrunk down to the size of a computer chip. An essential prerequisite for such labs are appropriate microcompartments for the confinement of very small amounts of liquids and chemical reagents. Directly accessible surface channels, which can be fabri...

An entropy-based gene selection method for cancer classification using microarray data

...enough to allow diagnosis even in regular clinical laboratories and ideally identify genes involved in cancer-specific regulatory pathways. Here an entropy-based method is proposed that selects genes related to the different cancer classes while at the same time reducing the redundancy among the genes. Results ...

Study of genomic DNA leads to new advances in cancer diagnostics

...is similar to methods commonly used in diagnostics laboratories (such as Pap smears), could be applied to such a purpose. The authors also used flow cytometry to characterize melanomas of varying invasiveness. Further study will be required to determine the specificity and sensitivity of these methods before they...

Chemists identify immune system mechanism for methamphetamine binges

... "ice" and "crank." It is often made in make-shift laboratories using over-the-counter drug ingredients, particularly cold and allergy medicines. Available as a powder or crystal, the drug can be injected, snorted, swallowed and smoked to provide users with a sense of euphoria. Drug effects can last for up to 12 ...

Different microarray systems more alike than previously thought

...between, say, healthy and cancerous tissue. Unless laboratories can rely on each others' results, such findings would not have much value. For the study, 10 laboratories in the Washington, D.C./Baltimore area were given identical samples of RNA -- DNA's cousin -- to ana...

Study: 'homemade' gene expression technology unreliable

...alyzing gene expression must be standardized among laboratories and across platforms around the world to support t...stimates there are "hundreds, if not thousands" of laboratories around the country using DNA microarrays. Microarray platforms came into widespread use about five ...

Decoding the logic of olfaction

...receptor. Independent studies in the Buck and Axel laboratories further showed that signals from neurons with the same type of odorant receptor converge at two specific spots in the olfactory bulb, such that individual structures in the olfactory bulb, called glomeruli, each receive neuronal input from only one t...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...receptor. Independent studies in the Buck and Axel laboratories further showed that signals from neurons with the same type of odorant receptor converge at two specific spots in the olfactory bulb, such that individual structures in the olfactory bulb, called glomeruli, each receive neuronal input from only one t...

One gene links newborn neurons with those that die in diseases such as Alzheimer's

...laceable neurons. In addition, studies from other laboratories have pointed to deficiencies in UCHL1 in degenerative diseases such as Alzheimer's and Parkinson's. Experiments in mice confirmed the finding that low levels of UCHL1 correlate to the ability of neurons to be replaced. The researchers used similar t...

Norovirus found to cause traveler's diarrhea

...r these viruses have not been readily available in laboratories in the United States or other countries. The researchers examined stool samples from 34 individuals who experienced traveler's diarrhea during trips to Antigua, Guatemala or Cuernavaca, Mexico, for Noroviruses, as well as for bacterial and protozoan...

Microscopes at microscopic size

...d collaboration with the University of Warwick and laboratories in the United States. ...

Gov't Creates Gene Database of Normal Human Tissues

...dentical tissue samples at geographically separate laboratories can produce the same quality of results as those done within a single lab**. The normal organ database takes that one step further, enabling scientists and clinicians to compare the gene expression results for their own tissue or genes of interest to...

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