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Calibration Free Analysis to Measure the Concentration of Active Proteins
Nov 23 2009
An SPR-based method, Calibration Free Concentration Analysis can be used to accurately determine the concentration of active protein in a sample, relating to the specific binding activity of the protein, and without the need for a standard.
Advances in EMCCD Technology: Making Imaging Less Arbitrary
Nov 16 2009
Recent advances in EMCCD technology have solved the problem of non-standardized measurement units by using the photoelectron to standardize imaging experiments.
10 Tips for Successful Sample Concentration and Buffer Exchange
Nov 6 2009
Centrifugal devices with ultrafiltration (UF) membrane can solve common problems researchers face when working with proteins.
Meeting the Challenges of Long-term Time-lapse Imaging
Oct 26 2009
Recent technological developments in the sequence capture of cellular events through a light microscope can be combined to image multiple independent experiments automatically, with many advantages.
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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.
Improving Separation During Electrophoresis
SeparateIT gels represent a novel gel matrix for DNA electrophoresis. Gel polymers are arranged in a conceptually different way, in accordance with a new theoretical model of gel electrophoresis.
Improving Quality of ELISA
Using ready-to-use ELISA kits from manufacturers is easy and convenient. Sometimes however, home-made ELISA is required because there is no kit available with the right antibodies or the characteristics of the available kits such as their limits of detection are not appropriate.
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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.
Mechanisms of plasticity in simple taxis behaviors in Drosophila
Nov 8 2009
Like the proverbial moth drawn to the candle flame, the fruit fly Drosophila also stereotypically approaches light sources. This positive phototaxis is the archetypal example of hard-wired input-output behaviors.
Live cell imaging of mutant and wild-type GABA-A receptor trafficking using a novel reporter protein
Efficient signaling in the brain requires precise regulation and targeting of cell surface ion-channels. Mutations in these channels associated with inherited diseases can cause improper targeting and reduced surface expression.
ADP-Glo™: An Ideal Approach to Monitor the Activity of Protein Kinases and Beyond
Oct 16 2009
Because of its versatility (alltypesofsubstrates), robustness (Z’>0.8), rapidperformance, and its ease of use, the luminescence based Kinase Glo® assay platform has gained wide acceptance in many drug screening programs for protein kinase inhibitors.
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Vorschau: Angew. Chem. 6/2010
2 hours ago
No Abstract
Femoral diaphysis fractures in cattle: 26 cases (1994–2005)
3 hours ago
Objective This retrospective study was conducted to evaluate the outcome for cattle with diaphyseal fractures of the femur, but not including capital physeal injuries. Methods Sources of information were medical records of cattle having a definitive diagnosis of diaphyseal...
Factors affecting the relationship between arterial and end-tidal carbon dioxide pressures in the anaesthetised horse
Objective To assess the effects of the duration of anaesthesia, position of recumbency, mode of ventilation, anaesthetic drug protocol, patient age and type of surgical procedure on the usefulness of capnometry as a measure of the partial pressure of arterial carbon dioxide...
Serological analysis of Chlamydophila abortus in Australian sheep and implications for the rejection of breeder sheep for export
Objective To examine the incidence of positive results in a complement fixation test (CFT) and enzyme-linked immunosorbent assay (ELISA) for Chlamydophila abortus in Australian sheep and how this incidence differs with state of origin, age, sex, breed and property. To examine...
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Prokariotic Cell Collection in Denmark
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
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.
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Counterfeit Internet drugs pose significant risks and discourage vital health checks
1 hour ago
Federal Register: Draft Guidance for Industry and Food and Drug Administration Staff; Heart Valves -- Investigational Device Exemption (IDE) and Premarket Approval (PMA) Appli...
Panel of Alcon directors rejects Novartis bid
Lexicon diabetes drug candidate meets study goals
'Survival of the cutest' proves Darwin right
Studies advise on fluoridated toothpaste use in children
Idaho firm proposes fluorine gas plant near Hobbs
more NEWS >>
Beckman Coulter Genomics and the J. Craig Venter Institute Collaborate on Validation of the SPRIworks Fragment Library System I for the Illumina Genome Analyzer
Jan 8 | News
Gilson releases the new FTLC System
Jan 3 | News
Millipore Hosts Web Seminar on Risk Assessment of Extractables & Leachables from Single-Use Systems
Carl Zeiss and UCalifornia, San Francisco Agree on Marketing Rights for Superresolution Microscopy Techniques
Dec 29 2009 | News
Dr. Robert Langer Joins Millipore’s Board of Directors
Dec 18 2009 | News
Beckman Coulter, Inc. to Distribute CompuCyte Laser Scanning Cytometers
Dec 11 2009 | News
Paul Chapman, Millipore Vice President, Downstream Processing Presents on Single-Use Solutions at 2009 BIO International Convention
Dec 8 2009 | News
more SUPPLIER UPDATES >>
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Neuroscience Diseases of The Brain and How The Mind Emerges
Dennis Choi, director of Emory Universitys Neuroscience Center, is renowned for his groundbreaking research on brain and spinal cord injury.
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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.
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