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An HTS-Compatible Plate For Highly Miniaturized Cultures Of Primary Human Bronchial Epithelial Cells At Air-Liquid Interface
Elizabeth Vu1, Eric Sorscher2, Robert Lowery1, Steven Hayes1

Primary human bronchial epithelial cells (HBE) cultured at air liquid interface (ALI) exhibit striking similarity to the in vivo situation, including both tissue architecture and ion channel functionality. Cultures of this type serve as a gold standard for predicting therapeutic activity in airway diseases such as cystic fibrosis.

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Optimization of a Vacuum Ultraviolet Photoionization source for Gas Chromatography used with a High Resolution Time of Flight Mass Spectrometer
Lloyd Allen and Viatcheslav Artaev

-Tune solution allows optimization of ion source parameters for
both proton transfer and direct ionization
-Independent ionization processes exist for M+ and MH+
-Optimizing for dopant signal intensity yields inferior results
-Degree of fragmentation remains relatively constant over a
range of source conditions

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Increasing gene editing efficiencies in eukaryotic cell lines by selection of appropriate CRISPR-Cas9 reagents
Melissa L. Kelley, Žaklina Strezoska, Elena Maksimova, Hidevaldo Machado, Emily M. Anderson, Maren Mayer, Annaleen Vermeulen, Shawn McClelland, Anja van Brabant Smith

Overview of various CRISPR-Cas9 reagents to provide the highest efficiency of gene editing in your experiments.

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Knockdown of p53 by Accell self-delivering siRNA causes inhibition of p53-dependent DNA damage response in IMR-32 neuroblastoma cell line and β-amyloid toxicity in rat cortical neurons
Žaklina Strezoska, Tamara Seredenina1, Devin Leake, Annaleen Vermeulen

Here we describe how application of Accell siRNA enabled the development of a high content screening assay in IMR-32 neuroblastoma cells and a whole culture cell viability assay in primary rat cortical neurons.

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High Performance Comprehensive Two-Dimensional Gas Chromatography Coupled with a High Resolution Multi-Reflecting TOFMS for Confident Non-Target Analyte Identification
Scott J. Pugh, Viatcheslav Artaev, Mark F. Merrick, Jack Cochran

The use of comprehensive two-dimensional gas chromatography to help increase chromatographic resolution is a major step in tackling the problem of confident peak identification in a complex sample matrix. Combining the separation power of two-dimensional gas chromatography, with resolving power greater than 25,000, and sub ppm mass accuracies of a high resolution multi-reflecting TOFMS is the ideal solution to confident compound identification within a complex sample matrix.

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Fragmentation Trees for Automated de novo Interpretation of Impure Electron Ionization Spectra from Gas Chromatographic Complex Mixture Analysis—Chemical Deconvolution
Kevin Siek, Vasily Makarov, Viatcheslav Artaev, Dmitry Mazur, Albert T. Lebedev

-Chemical deconvolution algorithms accurately reported independent
components of dead coelutions where such components belong to distinct chemical classes.
-Present algorithms fail to distinguish chemically similar analytes such as branched and linear alkanes, thus chemical deconvolution is not a
substitute for GCxGC.
-Chemical deconvolution algorithms accurately rejected more than 80% of spurious signals from manually curated spectra found to be contaminated with unrelated signa

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An Efficient Method for the Incorporation of Molecular Probes at Multiple/Specific sites in RNA: Levulinyl Protection for 2'-ACE ® , 5'-Silyl Oligoribonucleotide Synthesis
Xiaoqin Cheng, Shawn Begay, Randy Rauen, Kelly Grimsley, Kaizhang He, Michael Delaney

A unique method that uses a levulinate ester as a protecting group to introduce conjugates or molecular probes to virtually any location in a synthetic RNA molecule is discussed. The Levulinyl protecting group is stable in RNA synthesis conditions and can be removed without affecting the other parts of the synthesized RNA. We show the capabilities of this approach with three high-complexity synthesis examples.

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Acoustophoretic microfluidic device for high throughput DNA sequencing
V.V Unnikuttan1, H.N Unni 1

Multiphysics modelling for acoustic standing wave technology combined with micro-technology which can be used for manipulation and concentration on typical Lab-on-Chip devices for DNA sequencing.

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Advanced Microfluidic Mixing Device for the Study of Macromolecule Dynamics
Shubha Jain, F. Azam, H.N.Unni

We have developed and characterized a micro-fluidic mixer to study the macro-molecule dynamics such as kinetics of protein folding, DNA sequencing, single molecule study and detection etc. on a micro-second timescale. It is observed that geometry of channel has significant impact on the mixing performance of channel and also mixing time. This mixer could be used for trapping, sequencing of micro and macro molecules such as cell, DNA and protein samples under flow condition

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Showing Results 91 - 100 of 1392
Scientific News
Point of Care Diagnostics - A Cautious Revolution
Advances in molecular biology, coupled with the miniaturization and improved sensitivity of assays and devices in general, have enabled a new wave of point-of-care (POC) or “bedside” diagnostics.
Mass Spec Technology Drives Innovation Across the Biopharma Workflow
With greater resolving power, analytical speed, and accuracy, new mass spectrometry technology and techniques are infiltrating the biopharmaceuticals workflow.
One Step Closer to Precision Medicine for Chronic Lung Disease Sufferers
A study led by University of North Carolina at Chapel Hill, and National Jewish Health, has provided evidence of links between SNPs and known COPD blood protein biomarkers.
Charles River Acquires Agilux
Enhances Charles River’s early-stage capabilities in bioanalytical services.
Scientists Find Lethal Vulnerability in Treatment-Resistant Lung Cancer
The study describes how the drug Selinexor killed lung cancer cells and shrank tumors in mice when used against cancers driven by the aggressive and difficult-to-treat KRAS cancer gene.
How Baby’s Genes Influence Birth Weight And Later Life Disease
The large-scale study could help to target new ways of preventing and treating these diseases.
Genes Underlying Dogs’ Social Ability Revealed
The social ability of dogs is affected by genes that also seem to influence human behaviour, according to a new study from Linköping University in Sweden.
‘Cellbots’ Chase Down Cancer, Deliver Drugs Directly to Tumors
Programmable T cells shown to be versatile, precise, and powerful in lab studies.
Drug to Treat Alcohol Use Disorder Shows Promise Among Drinkers With High Stress
The findings suggest that potential future studies with drugs targeting vasopressin blockade should focus on populations of people with AUD who also report high levels of stress.
C Dots Show Powerful Tumor Killing Effect
Nanoparticles known as Cornell dots, or C dots, have shown great promise as a therapeutic tool in the detection and treatment of cancer.
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