Sentences with phrase «plasma samples»

Plasma samples refer to small amounts of blood that are collected for testing and analysis. It helps doctors and scientists to understand a person's health by studying the components in their blood. Full definition
Also, when two plasma samples from the same patient were available the mutation status of each was compared.
Notably, we studied the feasibility for enrichment of ctDNA by physical and in silico size selection in plasma samples collected in 51 patients from multiple cancer types.
The team refined the assay with independent investigations of plasma samples from patients with different stages of cancer, from individuals with benign pancreatic disease, and from healthy controls, all obtained from Petersen, who directs the biospecimen resource program for pancreas research at the Mayo Clinic.
The team collected blood plasma samples from three groups of people: 23 who had adenomatous (precancerous) polyps, 21 who had verified colon cancer, and 25 healthy volunteers.
Using grant money funded by Morris Animal Foundation, they tested their theory on plasma samples containing metaldehyde.
Requisition Number 17 - 3770 Post Date 12/16/2017 Title Processing Technician City Orlando State FL... and sterile collection of plasma samples using electric heat sealer and centrifuge + Ensures...
«How can we overcome the limitations of tumor tissue biopsy and plasma samples for detecting genetic alterations, and obtain comprehensive tumor EGFR profiling in real - time?»
Researchers from the Hollings Marine Laboratory reported at least four types of perfluorinated alkyl acids in plasma samples drawn from 45 crocodiles at five sites in and around the park.
Rhesus Macaque plasma samples can be prepared as pool or individual tubes aliquoted according to your needs.
In order to non-invasively identify the fetal status in most cases of maternally - inherited monogenic disorders, we propose a strategy based on iterative collection of plasma samples during pregnancy, followed by droplet digital PCR experiments which allow to accurately quantify the probability for an allele to be mutant.
The best candidate biomarker, plasma thrombospondin - 2 (THBS2), was screened against 746 cancer and control plasma samples using an inexpensive, commercially available protein - detection assay.
Plasma samples also can not address the issue of expression heterogeneity (primary tumor vs. metastatic site (s)-RRB-.
Malaria researcher Jonathan Kurtis of Brown University in Providence, R.I., and colleagues examined plasma samples and disease histories collected during a 2005 study of 453 Tanzanian youngsters.
Wet plasma samples, kept in freezers for corresponding periods of time, were also used.
In this initial stage of the collaboration, the SMA Foundation provided BforSMA plasma samples to RBM for processing on the DiscoveryMAP ™ platform plus an additional set of 70 biomarker assays.
Pooled plasma samples were separated by gel - filtration fast - performance liquid chromatography (FPLC).
Marmoset plasma samples can be prepared as pool or individual tubes aliquoted according to your needs.
Radioactivity in serial plasma samples was determined by liquid scintillation counting and expressed relative to the number of counts in the circulation 1 minute after injection.
Hemolysis can falsely increase cholinesterase levels in serum / plasma samples by releasing more of these enzymes from destroyed red blood cells.
Ethylenediaminetetraacetic acid (EDTA) preserves cellular components for CBC and morphologic evaluation but falsely decreases calcium, phosphorus, and alkaline phosphatase levels and elevates potassium levels; therefore, EDTA plasma samples should not be used for chemical analysis.
Yet all blood plasma samples drawn from 125 American alligators across 12 sites in Florida and South Carolina contained at least six of the 15 perfluorinated alkyl acids (PFAAs) that were tracked in the alligator study.
Kristin Møller Gabrielsen of the Norwegian University of Science and Technology in Trondheim and colleagues report in the journal Environmental Research that they examined the liver, muscle and kidney tissues taken from seven polar bears killed by Inuit hunters in East Greenland in 2011 and analysed the effect of more than 50 contaminants in plasma samples from Ursus maritimus, to see what effect organohalogen compounds could have on the bears» thyroid systems.
Cynomolgus Macaque plasma samples can be prepared as pool or individual tubes aliquoted according to your needs.
The Stanford team found, however, that mitochondrial DNA levels were significantly elevated in plasma samples from a small number of HD patients.
Vortex's system uses a microfluidic chip to generate tiny vortices that trap larger, more deformable cancer cells from a blood plasma sample.
They mixed each plasma sample with silver nanoparticles and then analyzed the mixtures with surface - enhanced Raman spectroscopy (SERS).
«We used magnetic beads of 3 micrometers in diameter to pull down the exosomes in plasma samples,» Zeng said.
Plasma samples of patients with NSCLC is a less invasive method and has been used as surrogate tumor tissues for detecting genetic alterations.
Present in all plasma samples, PFOS levels ranged from 776 to 118,000 parts per trillion.
«Based on our findings, the next phase will be to measure exosomes and exomeres in plasma samples to help predict organs that may be targeted for metastasis during tumor progression,» said Dr. Lyden.
To find biomarkers, the researchers will use banked blood and plasma samples from 125 HIV - infected volunteers who participated in various clinical trials, as well as samples from the «Boston patients» and Timothy Brown, known as the «Berlin patient,» who was cured of HIV infection.
Assessment of Glomerular Filtration Rate Measurement with Plasma Sampling: A Technical Review
The Joslin researchers used global mass spectrometry to look for levels of approximately 2,400 metabolites (molecules produced during metabolism) in plasma samples from the patients.
The platform can analyze multiple biomarkers quickly and efficiently, as demonstrated by the fact that a total of 458 plasma samples were analyzed in triplicate, with 23 ELISA analyses per sample - replicate, in a single experiment.
The researchers detected ctDNA in 19 (12 %) of the plasma samples.
Most patients with immune deficiency are treated with plasma - based drug products derived from plasma samples that are pooled from thousands of human donors.
Methods: The researchers used a custom sandwich - ELISA (enzyme - linked immunosorbent assay) microarray platform to evaluate 23 candidate biomarkers in plasma samples from 458 people that were current or past smokers, non-smokers at high risk for exposure to side - stream smoke, or never smokers.
The SMA Foundation initially provided more than 120 plasma samples from SMA patients collected in the Biomarkers for SMA (BforSMA) clinical study for processing on Myriad RBM's DiscoveryMAP
The SMA Foundation initially provided more than 120 plasma samples from SMA patients collected in the Biomarkers for SMA (BforSMA) clinical study for processing on Myriad RBM's DiscoveryMAP ® 250 + biomarker discovery platform.
They are looking for protein indicators of aggressive breast cancer in the tissue and plasma samples.
Plasma samples were aliquoted again when thawed for WB testing; the remaining aliquots were re-frozen at -80 °C.
In addition, we failed to detect antibody responses to XMRV in plasma samples from the 39 patients with prostate cancer, a finding that was also observed recently in another study [51] Taken together, the data presented here strongly suggest that there is no association between XMRV infection and prostate cancer, regardless of RNAse L status.
Guinea pigs were dosed with 100 mg of an oxime aceteyltransferase reactivator, and tissue and plasma samples were taken in a geometric time series.
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