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High-Throughput Multiplexed Inflammation Assay Using Primary Cells
Oksana Sirenko, Yen-Wen Chen, Jayne Hesley, Cathy Olsen, H. Roger Tang, Evan F. Cromwell*

An important event in the inflammation response is the expression of cell-surface antigens that facilitate binding of immune cells to blood vessels. The ability to monitor up-regulation of these molecules, such as VCAM, E-selectin, and HLADR on endothelial cells provides an important physiological read-out for cell-based models of inflammation.

Maximizing cell wash performance with the AquaMax® 2000/4000 microplate washers
Cathy Olsen, Iris Yang, and James Wasson

Many cell-based applications, including calcium flux assays, cell-based ELISAs, ion channel assays, and others require gentle but thorough washing of cells in order to ensure cell retention, cell integrity and optimal assay performance. The 96 cell wash head for AquaMax® 2000/4000 microplate washers from Molecular Devices uses angled pins to dispense fluid without disturbing cells. Adjustable dispense rate and aspiration height allow users to minimize disruption of even weakly adherent cells. We

Two secreted orthogonal bioluminescent reporters for non-destructive ultrasensitive assays
George Tzertzinis1, Salvatore Russello1, Cathy Olsen2

Here we present a powerful combination of two secreted bioluminescent reporters, the luciferases from Gaussia princeps and Cypridina noctiluca. We demonstrate that the properties of these two reporters in terms of sensitivity, compatibility and use in non- destructive assays conducted on live cells or supernatants from different well formats makes them suitable for novel high throughput format applications.

Label free technology: the weird and wonderful world of cell signaling
Ryall A†, Shearer J†, Brodbeck D*, Nufer O*, Cronk D† and Fasler S*

Whilst conducting an evaluation of label free technology platforms we encountered a number of surprising, but reproducible, observations. For example, receptor over-expression impacts endogenous signaling responses; surface coatings affecting cell adherence can change the response profile; and it is important to choose the appropriate analysis metric for complex profiles. Awareness of the subtleties of cell signaling within model systems such as CHO and HEK recombinant over-expression sys

Label free technology: value added information in the drug discovery process
Brodbeck D*, Nufer O*, Ryall A†, Shearer J†, Fasler S* and Cronk D†

We have evaluated Molecular Devices CellKey™ and SRU BIND® label free detection technologies and their application to hit finding and hit validation using cell based assays. The presented data highlights:

Analysis of migration using the OrisTM Cell Migration Assay-TriCoated kit on the POLARstar Omega.

The Oris™ Cell Migration Assays from Platypus offer certain advantages over traditional migration assays. Especially the TriCoated kits enable the researcher to test the effect of different extracellular matrix components like Collagen I or Fibronectin on migration. In this application note we show the real-time monitoring of cell migration using a POLARstar Omega from BMG LABTECH equipped with a CO2 gas vented system.

The Transcreener® ADP2 Universal Kinase Assay from BellBrook Labs is readily performed on BMG LABTECH microplate readers using different assay formats

The Transcreener® ADP2 FI assay kit from BellBrook Labs is a simple one-step competitive red fluorescence immunoassay based on the detection of ADP. In this application note we show that this assay is compatible with four different microplate readers from BMG LABTECH. With the PHERAstar FS and Plus, as well as the POLARstar and FLUOstar Omegas comparable standard curves and EC50 values were obtained.

A novel method for coupling capillary columns
Wil van Egmond, Daniela Peroni,

Using a proprietary, low-melting, deactivated glass we have developed a novel instant Meltfit™ connection. Reliable connectors are made in-situ in less than a minute.

A Comparison of AlphaLISA Bead-Based Luminescence and Electrochemiluminescence Immunoassay Technologies for Detection of Human EPO, Amyloid Beta 42 and VEGF in Complex Sample Matrices
Anuradha Prasad, Ashleigh Price, Stephen Hurt, Rathnam Chaguturu

The University of Kansas in collaboration with PerkinElmer Inc. worked on looking at the comparison of the AlphaLISA Technology and an Electrochemiluminescence Technology to measure assay windows, lower and upper detection limits and intra - and inter-assay precision. In this study, three AlphaLISA no-wash assays, which employ a faster and less complex protocol, were found to deliver highly sensitive and accurate results, equivalent to those obtained in ECL technology.

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Showing Results 101 - 110 of 282
Scientific News
Microscopic “Walkers” Find Their Way Across Cell Surfaces
Technology could provide a way to deliver probes or drugs to cell structures without outside guidance.
Study Investigates Inherent Contamination in Deep Well Microplates
Study gives data on microplates from numerous manufacturers based in Europe, USA and China.
Culture System Replicates Course Of Alzheimer’s Disease
Three-dimensional system should significantly reduce time and costs of drug development.
New Technique Yields Drug, Biomedical Test Results in One Minute
Slug flow microextraction makes it possible to quickly detect the presence of drugs or to monitor certain medical conditions using only a single drop of blood or urine.
New Clues For Early Colorectal Cancer Detection
Study identifies new biomarkers which could help detect colorectal cancer.
New 'Lab-on-a-Chip' Could Revolutionize Early Diagnosis of Cancer
Faster result times, reduced costs, minimal sample demands and better sensitivity of analysis.
NanoString, Brigham and Women’s Hospital Collaborate
Research collaboration to accelerate translation of genomic discoveries into clinical diagnostics in oncology.
‘Tissue Chip’ to Screen Neurological Toxins
UW-Madison team are developing a faster, more affordable way to screen for neural toxins.
Improving Korean Wheat
Dae Wook Kim learns genetic screening techniques to develop a line of Korean wheat.
Blood Test May Help Determine Psychosis Risk
A study led by University of North Carolina at Chapel Hill researchers represents an important step forward in the accurate diagnosis of people who are experiencing the earliest stages of psychosis.
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