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Rapid Concentration of Particles in Microfluidics using AC Electrothermal Effect with Laser Illumination

In this study, the formation of a toroidal microvortex by AC electrothermal (ACET) effect was numerically visualized using COMSOL v4.2a multiphysics software. AC voltage was applied to the two parallel electrodes in a microchannel to generate temperature gradient in the fluids.

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A Novel Synthetic Peptide as a Tool for Microvesicles / Exosomes isolation ©

We have engineered and validated a synthetic peptide (Vn96*) with specific affinity for canonical heat shock proteins (HSPs) as a tool for rapid isolation of Exosomes or extracellular microvesicles (together referred to as eMVs here) from cell culture media, human and animal body-fluids.

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Determination of Metabolically Unstable Drugs in Blood by Heat-Stabilized DBS and LC-MS/MS

The aims of this work were to investigate drug stability prior to, during and after blood spot sampling, using procaine, prulofloxacine, esmolol, and acetylsalisylic acid as examples of drug compounds with limited stability and to compare conventional DBS sampling procedure with DBS sampling including heat stabilization.

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Hypothesis of an Existence of a Reverse Pathway (Rp) which Passes Genetic Information from Polypeptide Antigens to Ig Genes in B-Lymphocytes
Victor J. Alexander

Results of this research will bring new more effective treatment methods of many immune related diseases, including cancer.

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Microfluidic analysis of amino acids using aminoacyl-tRNA synthetase coupled with spectrophotometric detection

Analyses of free amino acids in biological fluids?—?such as urine and plasma?—?can be useful in determining disease status in clinical diagnoses [1]. In the food industry, unique changes in amino acid concentrations are useful markers of freshness, nutrition, and taste.

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Determination of Metabolically Unstable Drugs in Blood by Heat-Stabilized DBS and LC-MS/MS
Charlotta Göransson; Karl Sköld; David Zeeberg; Gunnar Hägglund; Eskil Hermansson; Peter Abrahamsson and Martin Ahnoff

The aims of this work were to investigate drug stability prior to, during and after blood spot sampling, using procaine, prulofloxacine, esmolol, and acetylsalisylic acid as examples of drug compounds with limited stability and to compare conventional DBS sampling procedure with DBS sampling including heat stabilization.

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Over-representation of Proteins Identified as Disease Biomarkers and their Relation to Post-Mortem Events
B. Orback, K. Kultima, M. Borén, M. Söderquist and K. Sköld

Tissue sampling is a major traumatic event that can have drastic effects within a very short timeframe at the molecular level resulting in loss of sample quality due to post sampling changes. It has recently been reported that the same proteins, regardless of tissue origin or species, are often found expressed differentially in various disease states, bringing into question the significance of these proteins as biomarkers.

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Recycled Gas Flow Control to Optimize Reaction Conversion and the Accomplishment of Heat Integration in Benzene Production through Hydrodealkylation of Toluene
Afshin Abrishamkar, Saman Ahmadi Siahpoush, Yury Avramenko, Eiman Rahnema Falavarjani

In this work, a benzene production plant through hydrodealkylation process was investigated through a simulation by Aspen Plus V7.2® and run based on the real data obtained from a benzene production plant operating in the United States.

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Pharmacokinetic Delivery and Metabolizing Rate of Nicardipine Incorporated in Hydrophilic and Hydrophobic Cyclodextrins using Two-Compartment Model
Sergey Shityakov and Carola Förster.

The dispersion routes of cyclodextrin complexes with nicardipine (NC), such as hydrophilic hydroxypropyl-ß-cyclodextrin (NC/HPßCD) and hydrophobic triacetyl-ß-cyclodextrin (NC/TAßCD), through the body for controlled drug delivery and sustained release have been examined.

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Showing Results 111 - 120 of 1020
Scientific News
Continuous Flow Production of Metal-Organic Frameworks
An optimal continuous flow chemistry concept for the production of over kilogram per day of MOFs has been devised.
Human Stem Cells Reset To Earliest Developmental State
Cells may mark starting point for human development and could lead to production of cell therapies.
Zebrafish Genes Linked To Human Respiratory Diseases
Genes have been discovered which may be synonymous with the genes for developing hair-like structures in the human airway.
Wiping the Slate Clean
Erasing cellular memory and resetting human stem cells.
Lab on a Breathing Chip
Human nasal epithelial cells, cultured on a microchip, react to air pollutants just like they would in the upper airway.
Animal Testing can Mislead Drug Discovery and Development
Several blockbuster drugs would not be on the market, if scientists had relied solely on drug-uptake in animal trials, according to new research.
Study Aims to Develop Breath Test for COPD
A new clinical iniative, lead by NYU Langone Medical Center, aims to determine a breath test’s effectiveness to identify volatile organic compounds (VOCs) in human breath that are biomarkers of chronic obstructive pulmonary disease (COPD).
Blocking One Receptor on Cells Could Halt Rheumatoid Arthritis
Researchers uncovered multiple pathological processes driven by the activation of the receptor.
Salamander Skin Peptide Promotes Wound Healing in Mice
New research suggests that the peptide tylotoin exerts the promotion of wound healing with epidermal growth factor in a murine model of a full thickness dermal wound.
Combining Antibodies, Iron Nanoparticles and Magnets Steers Stem Cells to Injured Organs
Study published in nature communications details targeted nanomedicine therapy to regenerate heart muscle injured by heart attack.
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