Cheek cells used to identify lung cancer
... needed, using a sufficient number and appropriate sample of patients in order to validate the test's performance. Researchers have also developed a sputum test that utilizes the AQC method. They hope to receive Canadian regulatory approval in early 2006. Both tests are intended to provide pulmonary physici...UV measurement tool aids defense against microbes in tap water
...ethods simply test disinfection by spiking a water sample with bacteria or other surrogate microbes and measuring the number present after treatment to infer the delivered UV dose. However, that method provides only the average exposure when, in reality, microorganisms are exposed to a range of UV energy, d...Lung scarring diseases linked to genes and smoking
...is of IIP in at least two affected relatives. The sample included 309 people affected with an IIP and 360 unaffected relatives. Each participant completed a detailed health and environmental exposure questionnaire, a chest x-ray, and a lung diffusion test, which determines how well oxygen passes from the...Gene expression profile helps predict chemotherapy response in ovarian cancer patients
...ion pattern of these genes from the original tumor sample [i.e. whether genes were 'turned on' or 'turned off'] provides us with valuable information about a patient's prognosis as this type of information cannot always be obtained from standard clinical features, such as tumor grade or residual disease sta...Survey finds family conversation key to organ donation
...Braun Research, Inc. in June 2005 among a national sample of 300 African American adults 18 years of age and older, living in private households in the continental United States. For a full report of the survey results, visit www.linksinc.org .......ality and, hence, good success rates, the starting sample needs to be substantially better than the WHO criteria for sperm quality. Reducing these criteria may also reduce success rates, which is not appropriate, as this will not only compound the problem but also disappoint patients. Testing two samples ma...Low-income pregnant Latinas drink despite universal alcohol-warning messages
...e found that 43 percent of pregnant Latinas in our sample reported some alcohol consumption in the three months before recognizing they were pregnant," said Chambers, "and that 20 percent of the pregnant Latinas reported at least one binge episode of four or more standard drinks during that same time period...Sperm stem cells closer to being like embryonic stem cells
... to figure out why. But the key is to start with a sample that is 100 percent pure germ cells, which we achieved using the fluorescent marker and other purification methods that are different from those used by other research groups." Other UT Southwestern researchers involved with the work were Dr. Robert ...... affect a tiny antenna, rather than looking at the sample itself. Most optical microscopes create images by ... have found that they can take pictures of a small sample by illuminating a tiny, gold antenna placed near a surface. The antenna emits different signals depe...War on terror meets war on cancer
...fficult." If doctors can do a biopsy to remove a sample of a tumor, the cancer cells can be cultured in a ...g says. Such a test would involve taking a blood sample to collect some metabolite produced by the cancer cells. "If that metabolite has the same isotope ...UIC chemists characterize Alzheimer's plaque precursor
...ediate assemblies in florescence. The intermediate sample is then frozen to capture quickly changing spectral images of the molecules before they can self-assemble into fibril-forming sheets. The resulting SSNMR "snapshots" provide a structural diagram for finding molecular binding targets that may stop pro...MUHC ensures blood without bugs
... the past decade. Dr. Ndao knows that every blood sample he tests could represent another life saved--the new blood safety test under development represents a way to provide the expertise of the NRCP to the world. With funding from Health Canada (NML/PHAC) and the Canadian Institutes of Health Research (CI...... to a specific agent of disease. When a patient's sample containing the target analyte is added to the reagent mix, the analyte interacts with the "capture" system, the two enzyme fragments are forced together and the complementary enzyme components generate an active enzyme, which then converts the enzyme...Plants reveal a secret and bring researchers nearer a cleaner future
...The researchers measured the fluorescence from the sample that is emitted after excitation with X-rays. They flashed the sample with a laser and registered the change using X-ray fluorescence every 10 microseconds to find out ho...Study hints at role of stem cell genes in testicular, breast cancers
...s 15-40 -- and breast cancers, as represented by a sample of breast cancer cells grown in the culture dish and tissue from a Stage 3 breast tumor. Previously, the team had discovered that expression of the genes was elevated in two samples of seminomas (Stem Cells, March 2004). In the current study, they ex...Accentia Biopharmaceuticals, Inc. launches CRSFungal Profile
...f the fungi that causes CS. The test uses a small sample of mucus from the patient's nasal cavities. The mucus sample is sent by the physician to IMMCO where it is analyzed by immunoassay. Typically, results are made ...Creativity determines sexual success, research suggests
...ecies. Some 425 British men and women, including a sample of visual artists and poets and schizophrenic patients, were surveyed for the report, which is published today in the academic journal, The Proceedings of the Royal Society (B). Although creative types have long been associated with increased sexual...'Dating agency' boosts hunt for disease genes
...anking Network is leading the world in providing a sample and data infrastructure to tackle the challenge of uncovering the genetic pathways of complex disease." Dr Kate Dixon, who manages the archive at the Centre for Integrated Genomic Medical Research (CIGMR) at The University of Manchester, adds: "The ...New nanosensor uses quantum dots to detect DNA
...nstrated its potential in their lab by detecting a sample of DNA containing a mutation linked to ovarian cancer. The Johns Hopkins team described the new DNA nanosensor in a paper published in the November 2005 issue of the journal Nature Materials. "Conventional methods of finding and identifying samples o......in the Western Hemisphere. A control bone fragment sample from the same historic period was also examined. Both bone fragments were from the parietal section the top of the skull. "The testing indicated large amounts of lead in the Beethoven bone sample, compared to the control," said Bill Walsh, chief sc...