Scientists Replicate Hepatitis C Virus in Laboratory
... system, we can screen compounds with a cell-based assay to look for inhibitors of virus replication,?says Liang. “We can also apply this technique to develop model systems for other similar viruses.?/p> HCV is a small, enveloped, single-stranded RNA virus in the family Flaviviridae. HCV is a major cau...Another Look Finds Promising Proteomics Test is Not Biologically Plausible
...e that claims about the experimental protein-based assay are not biologically plausible. “We view this as a cautionary tale. If you are not careful with this new technology, whose quirks we don’t fully understand, you can find results that may be due to something other than biology,?says the study’s lead......e that claims about the experimental protein-based assay are not biologically plausible. “We view this as a cautionary tale. If you are not careful with this new technology, whose quirks we don’t fully understand, you can find results that may be due to something other than biology,?says the study’s lead...Cracking the olfactory code in bees
...e that claims about the experimental protein-based assay are not biologically plausible. “We view this as a cautionary tale. If you are not careful with this new technology, whose quirks we don’t fully understand, you can find results that may be due to something other than biology,?says the study’s lead......e that claims about the experimental protein-based assay are not biologically plausible. “We view this as a cautionary tale. If you are not careful with this new technology, whose quirks we don’t fully understand, you can find results that may be due to something other than biology,?says the study’s lead...DNA/RNA Aptamer Microarray - Comprehensive Service from LC Sciences
...croarray chemistry for design of your miniaturized assay devices for diagnostics and biosensing applications. Our microarray services include the use of custom synthesized microarrays based on the Paraflo on-chip synthesis technology (1,2) which enables the total customization of content on each individua...Bio-Stack Twister II Microplate Handler from BioTek Instruments
... of the instruments can be integrated for complete assay automation. The rotational gripper, telescoping arm and 340 axis of rotation eliminate time-consuming alignment and make it possible to access all deck positions on the Precision pipetting system. In addition to microplates with and without lids, pip...Standard Protein Kinase Substrate (PKS) Peptide Microarray from LC Sciences
...croarray chemistry for design of your miniaturized assay devices for diagnostics and biosensing applications. Our microarray services include the use of custom synthesized microarrays based on the Paraflo on-chip synthesis technology which enables the total customization of content on each individual micr...Protein Kinase Substrate (PKS) Peptide Microarray - Comprehensive Service from LC Sciences
...croarray chemistry for design of your miniaturized assay devices for diagnostics and biosensing applications. Our microarray services include the use of custom synthesized microarrays based on the Paraflo on-chip synthesis technology which enables the total customization of content on each individual micr...Small Non-coding RNA Discovery Microarray - Comprehensive Service from LC Sciences
...croarray chemistry for design of your miniaturized assay devices for diagnostics and biosensing applications. Our microarray services include the use of custom synthesized microarrays based on the Paraflo on-chip synthesis technology which enables the total customization of content on each individual micr...New Microarray Labeling Kit for Preparing cDNA Probes
... be used to determine the sensitivity of the assay ( Figure 1 ). Fig.1 The 3X SSC negative controls can be used to determine the specificity of theassay because the labeled probe should not hybridize to the spotted 3X SSC. RNA Quality The quality of the RNA is critical to ...A Positive Selection Assay for Mutation Analysis in Big Blue Animals
...effective and easy-to-use l Select-cII mutation assay kit A Positive Selection Assay for Mutation Anal...is inthe Big Blue transgenic rodent mutagenesis assay system thatselects for mutations in the cII gene of coliphage lambda. The l Select-cII mutation ass...New Mammalian Two-Hybrid System Detects Protein-Protein Interactions
... Stratagene With Stratagenes mammalian two-hybrid assay kit, hybrid genes are used to detect protein-prot... alternative to the yeast-basedsystem because this assay is performed in mammalian cells. Since mammalianproteins are more likely to retain their native conf...Assess the In Vivo Activation of Signal Transduction Pathways with PathDetect Reporting Systems
...s, cell lysate preparation, and luciferase assay have been described previously. 5 The pFR-...ted cells, cell lysate preparation, and luciferase assay are previously described. 5 Expression of both MEKK and PKA increased the luciferase expre...An Epitope Tagging Vector for Gene Expression in Mammalian Cells
...ctorcontaining the luciferase gene, the luciferase assay was used to verify thepresence of the fusion protein (data not shown). Conclusions The pCMV-Tag1 expression vector incorporates the small and highlyimmunoreactive FLAG and c-myc epitopes into constructs for N-terminal,C-terminal and internal taggin...More Dependable Screening Test For Bladder Cancer
...arlier. Researchers tested the NMP22 tumor marker assay in 1,331 patients at high risk for bladder cancer and it was found that of the 79 patients shown to have bladder cancer, the test was about three-times more effective than a conventional laboratory test. However researchers caution that it should no...Detecting DNA Damage With In-Vivo Alkaline Comet Assay
The comet assay has gained rapid importance in detecting various f...a large proliferating cell population. The comet assay attracts adherents by it’s simplicity, speed, versatility and economy and is an ideal alternative su...Commercial grape juices and vinegars found rich in antioxidants
...hem, the oxygen radical absorbance capacity (ORAC) assay has gained much attention because it deals with pe...e rich in polyphenols, were determined by the ORAC assay using fluorescein as fluorescent probe. This study confirms grape juice, complex beverages and wine ...Women might be at increased risk of HIV during pregnancy
...ot confirmation of discordant enzyme immunosorbent assay results and HIV seroconverters. The authors interpreting the results suggest that the risk of HIV acquisition rises during pregnancy. This change is unlikely to be due to sexual risk behaviours, but might be attributable to hormonal changes affecti......apparent ability of an enzyme-linked immunosorbent assay (ELISA) for osteopontin to identify early pleural mesothelioma (stage I). Also, the finding that osteopontin was present in the tumor cells of pleural mesothelioma and not in the stroma provides support for the specificity of osteopontin as a marker ...Point of Care Strep Tests Speed Treatment, Lower Costs
...le from 26 different biomedical firms, making this assay the most broadly produced point of care diagnostic...ambridge, Mass., is a color immuno-chromatographic assay that detects either viable or nonviable organisms directly from a throat swab, providing results wit...Fast, Accurate Influenza A/B Antigen Detection
... A test is an in vitro rapid immunochromatographic assay for the qualitative detection of Influenza A nucle...est kit, which the company says is the first rapid assay on the market that distinguishes influenza A viral antigens from those of influenza B. Specimen type...PSA TestingHow Much is Too Much?
...l of PSA may also have sounded too soon, since the assay is likely to continue to provide useful data, albe...enign prostatic hyperplasia. Stamey noted that the assay is also helpful for monitoring patients following prostate removal because it can indicate residual ...When Volume Matters, Immunoassay Systems Deliver
...tes all sample and reagent handling as well as all assay stages, including measurement. Loading capacity is 432 primary sampling tubes and results for up to eight different tests can be derived from one sample. The system runs from an external PC with a Windows-based program and mouse control. MultiCalc so......est kit, which the company says is the first rapid assay on the market that distinguishes influenza A viral...ss., produces the FLU OIA test, a high-performance assay for the undifferentiated diagnosis of Influenza A and B. in just over 15 minutes. Assay advantages i...