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Optical Imaging in Stem Cell Research
Jun 1
Developing sensitive, non-invasive technologies to monitor engraftment in vivo is essential to accelerate the clinical implementation of cell therapies.
Standing Up in a Court of Law
Private forensic testing laboratory ensures data integrity with advanced calibration systems.
Simultaneous Measurement of Multiple Signaling Pathways in Human Leukemias Using Flow Cytometry
May 24
Next generation assays will need to be robust and standardized in order to make the transition from a research procedure to a routine clinical assay. Flow cytometry provides a unique and sensitive method to accomplish these requirements.
Automated Forensic DNA Methods: Relieving the Pain of Validation
Apr 21
Automation can increase a forensics lab's sample processing capacity, but it can also add to the complexity of system verification and validation.
Step up to the MIQE
Mar 30
Over the years, polymerase chain reaction (PCR) has evolved into a readily automated, high throughput quantitative technology. Real-time quantitative PCR (qPCR) has become the industry standard for the detection and quantification of nucleic acids for multiple application, including quantification of RNA levels. But a lack of consensus among researchers on how to best perform and interpret qPCR experiments presents a major hurdle for advancement of the technology. This problem is exacerbated by insufficient experimental detail in published work, which impedes the ability of others to accurately evaluate or replicate reported results.
Fast Optimization of a Multiplex Influenza Identification Panel Using a Thermal Gradient
The year 2009 was marked by the emergence of a novel influenza A (H1N1) virus that infects humans. There is a need to identify the different strains of influenza virus for purposes of monitoring the H1N1 strain pandemic and for other epidemiological and scientific purposes.
Advantages of Monolithic Laser Combiner Technology in Confocal Microscopy Systems
Jan 6
Fluorescence microscopy techniques require a reliable light source at the desired wavelength or wavelengths, with minimal downtime for maintenance and alignment. Lasers are a popular light source, although the alignment and upkeep of laser combiners is a time-consuming prospect for many users.
Size-Exclusion Chromatography for Purification of Biomolecules
Dec 2 2009
Size-exclusion chromatography (SEC) is a popular method to separate biomolecules based on their size. Primarily, it is applied to the separation of biopolymers such as proteins and nucleic acids, i.e. water-soluble polymers.
Using the Tecan Genesis Workstation to Automate a Cytometric Bead Array (CBA) Immunoassay
Mar 11
The poster describe the process involved in automating a Cytometric Bead Array (CBA) immunoassay developed to measure relative concentrations of serum antibodies against Tetanus (TT), Sperm Whale Myoglobin (SWM) and Keyhole Limpet Hemocyanin (KLH) in KLH-immunized volunteers.
Ensuring Quality in Assays Performed with Automated Liquid Handlers
Feb 2
The focus of this presentation is to highlight the need of ensuring quality in important assays performed with automated liquid handlers. Nearly all assays performed within a laboratory are volume-dependent. In turn, all concentrations of biological and chemical components in these assays, as well as the associated dilution protocols, are volume-dependent. Because analyte concentration is volume-dependent, an assay’s results might be falsely interpreted if liquid handler variability and inaccuracies are unknown or if the system(s) go unchecked for a long period.
Inkjet System for Protein Crystallography
Feb 1
X-ray crystallography is used routinely by scientists to obtain the three dimensional structure of a biological molecule of interest.Such information can be used to determine how a pharmaceutical interacts with a protein target and what changes might improve functionality. However, the crystallization of macromolecules still remains a serious hindrance in structural determination despite impressive advances in screening methods and technologies.
Attention Deficit & Hyperactivity in a Drosophila Memory Mutant
Nov 9 2009
Action selection is modulated by external stimuli either directly or via memory retrieval. In a constantly changing environment, animals have evolved attention-like processes to effectively filter the incoming sensory stream. These attention-like processes, in turn, are modulated by memory. The neurobiological nature of how attention, action selection and memory are inter-connected is unknown. We describe here new phenotypes of the memory mutant radish in the fruit fly Drosophila.
Relation of Atherosclerotic Cardiovascular Events to Progression of Aortic Stenosis in Older Men.
1 hour ago
BACKGROUND: Aortic stenosis (AS) is now considered to be an active disease like atherosclerosis. However, therapies such as statins have not shown benefit in AS patients when studied prospectively. HYPOTHESIS: We tested the hypothesis that if AS was indeed...
Native Valve Brucella Endocarditis.
OBJECTIVE: Brucellosis is frequently seen in Mediterranean and Middle East countries, including Turkey. We report the medical and surgical management of 31 cases of native endocarditis. MATERIAL AND METHOD: Thirty-one patients were admitted to our clinic with...
Characterization of a novel novobiocin analogue as a putative C-terminal inhibitor of heat shock protein 90 in prostate cancer cells.
17 hours ago
PURPOSE: Hsp90 is important in the folding, maturation and stabilization of pro-tumorigenic client proteins and represents a viable drug target for the design of chemotherapies. Previously, we reported the development of novobiocin analogues designed to inhibit...
Long term increased expression of the short form 1b prolactin receptor in PC-3 human prostate cancer cells decreases cell growth and migration, and causes multiple changes in ...
BACKGROUND: We have shown that treatment of human prostate cancer cells with the selective prolactin (PRL) receptor modulator, S179D PRL, inhibits growth in vitro, and the initiation and growth of xenografts in vivo. S179D PRL treatment also upregulates...
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Prokariotic Cell Collection in Denmark
Nov 6 2009
I would like to know about a prokariotic cell collection in Denmark. Is there a cell bank in this country? I need a Lactobacillus strain for a fermentation assay and this information about the bank is very helpful for me.
Request for Entries
Oct 16 2009
Ask the Experts is your chance to get the answers to questions on applications, materials, methods, processes, and technologies. Email you question to bst_web@advantagemedia.com, and the editors of Bioscience Technology will find an appropriate expert to answer it. Watch this space in the future to see the questions your colleagues are posting.
Heart bypass for uncomplicated heart surgery does not reduce neurocognitive function in children
Rest requirements for residents unlikely to improve outcomes in 2 common surgeries
NASA satellite improves pollution monitoring
2 hours ago
Alleged cop killer speaks out from Seattle jail
10 hours ago
Rare and common genetic variations responsible for high triglyceride levels in blood
13 hours ago
Non-human sugar in biotech drugs causes inflammation
Researchers discover how key enzyme repairs sun-damaged DNA
Merck KGaA Completes Millipore Acquisition and Launches New EMD Millipore Division
Jul 23 | News
Thermo Fisher Scientific and Intrinsic Bioprobes Announce Alliance in Mass Spectrometric Immunoassay (MSIA) Workflow Development
Jul 21 | News
ACE replacing Millipore in S&P 500
Jul 8 | News
Компания GE Healthcare провела обучающий семинар по современным методам диагностики рака молочной железы для медицинских специалистов из российских регионов
Jul 6 | News
Beckman Coulter Genomics and DNA Genotek Enhance DNA Isolation and Purification
Millipore Opens New Manufacturing Facility in Ireland
Jun 28 | News
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Viewing SureFocus Slides
Jun 11
A demonstration of SureFocus Microscope Slides in the review of AFB Smears. SureFocus Slides are a patent-pending breakthrough in tuberculosis detection, as their fluorescent staining circle remains visible during review, Fluorescence Microscopy.
Allen Institute for Brain Research
Oct 14 2009
Discussed in this interview are both the mouse brain project and the human cortex project with an emphasis on the importance of these projects to neuroscience research.