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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.
Interferon-Gamma Release Assay in the Ascites: Early Hint for Diagnosis of Abdominal Tuberculosis
5 hours ago
We report on a 20-year-old woman with abdominal tuberculosis. Standard microbiological examination of ascites showed no acid-fast bacilli (AFB), and analysis for the Mycobacterium tuberculosis (MTB)-complex DNA by PCR was negative. However, the interferon-γ release assay (IGRA)...
Coverage and Predictors of Adherence to Influenza Vaccination among Spanish Children and Adults with Asthma
Background Influenza infections are frequently implicated in the exacerbation of asthma. The aim of this study was to assess vaccination coverage among Spanish children and adults with asthma and to describe the factors associated (predictors) with vaccination, using data from...
Persistent Helicobacter canis Bacteremia in a Patient with Gastric Lymphoma
A 78-year-old man with gastric diffuse large B cell lymphoma presented with persistent Helicobacter canis bacteremia while receiving chemotherapy. An examination of his medical history revealed a close exposure to dogs. The patient recovered after 4 weeks of antibiotic therapy....
Management of Hepatitis B Virus Reactivation in Patients with Hematological Malignancies Treated with Chemotherapy
Introduction Hepatitis B virus (HBV) reactivation is a major cause of morbidity and mortality in patients with hematological malignancies who receive cytotoxic chemotherapy. We have therefore carried out a prospective observational study out to assess the incidence, prevalence,...
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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.
Rocks on Mars may provide link to evidence of living organisms roughly 4 billion years ago
2 hours ago
Gen-Probe 2Q net income rises 42 percent on sales
3 hours ago
Highlight of the Polarstern expedition
Amgen 2Q net income slips on higher taxes
Signs of reversal of Arctic cooling in some areas
6 hours ago
Playing with pills
Western diet link to ADHD
Beckman Coulter Exhibits More Solutions for Attendees of 2010 AACC/ASCLS Annual Meeting and Clinical Lab Expo
Jul 26 | News
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
Protein identified that can result in fragile bones
Jul 27
RNA offers a safer way to reprogram cells
Jul 23
Molecular mechanism triggering Parkinson's disease identified in Stanford study
Jul 28
Breakdown of bone keeps blood sugar in check, new study finds
Jul 22
Living Up to Potential
6 hours ago | News
Researchers find new translocation; weak spots in DNA lead to genetic disease
10 hours ago | News
Researchers study benefits of white button mushrooms
12 hours ago | News
New lab test could identify imatinib resistance
22 hours ago | News
SSTR2-based Reporters for Assessing Gene Transfer into Non-Small Cell Lung Cancer: Evaluation using an Intrathoracic Mouse Model.
Jul 28 | PubGet
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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.