How To Use Spectrometry In A Sentence
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Mercury is thermally desorbed from solid samples, trapped on an in-line gold trap, and subsequently determined by cold-vapour atomic absorption spectrometry.
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As Vitaly Fedchenko explains in this excellent article environmental samples are first screened by the IAEA using high resolution gamma ray spectrometry to detect radioactive particles-and that ain't much help in looking for magnox alloy.
ArmsControlWonk
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With the later advent of accelerator mass spectrometry, this has become a useful tool in geochemistry, but our counting techniques were not sensitive enough to make the method work.
Raymond Davis Jr. - Autobiography
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The assay was validated directly by gas chromatography/mass spectrometry.
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After a PhD from the University of Michigan, and a post doctorate from MIT, he decided to train in mass spectrometry, which uses sophisticated instrumentation for proteomics.
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Cooks 'analysis method is a type of mass spectrometry called desorption electrospray ionization, or DESI.
Health News from Medical News Today
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The University of Southampton used mass spectrometry to probe samples for plutonium, radium and caesium.
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Trace elements of fur tissue on fur-bearing animal raccoon dog were analyzed by inductively coupled plasma-atomic emission spectrometry(ICP-AES).
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Trace elements of fur tissue on fur-bearing animal raccoon dog were analyzed by inductively coupled plasma-atomic emission spectrometry(ICP-AES).
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Energy dispersive spectrometry is one of several methods used to analyze an X-ray fluorescence signal.
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Objective To establish a liquid chromatography-tandem mass spectrometry(LC-MS/MS) method for the simultaneous analysis of cocaine(COC) and its metabolite benzoylecgonine(BZE) in urine samples.
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Both samples are sent away for carbon dioxide isotope analysis by mass spectrometry (laboratories usually return the results within a few days).
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The other way is to use gas chromatography/mass spectrometry to measure how much of the offending compounds are in pond water.
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For example, the Ebola virus has a particular protein in its coat that can easily be detected and analyzed with mass spectrometry.
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There is also a chapter on special sample introduction techniques together with an introductory chapter providing an overview of analytical atomic spectrometry.
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Many diagnoses, such as the organic and amino acid disorders are routinely made by the analysis of urine and plasma specimens using gas chromatography/mass spectrometry and amino acid quantitation using ultra-performance liquid chromatography respectively.
Metabolic Disease Lab
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Researchers familiar with spectrometry and colorimetry will know this, but there might be many readers that dogmatically reject any animal color study without reflectance.
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Molecular fossils are recovered and studied using chromatographic techniques, mass spectrometry, and spectrophotometry.
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The charcoal tubes were desorbed with 1 ml of methylene chloride and analyzed by gas chromatography and mass spectrometry.
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The University of Southampton used mass spectrometry to probe samples for plutonium, radium and caesium.
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To detect mineral component in multi - elements medicinal tablet using atomic absorption spectrometry.
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Presumably the gold could have been identified as Merovingian by trace element analysis – gold from different sources contains slightly different trace quantities of other metals, which can be measured by mass spectrometry and other techniques – though this isn’t specified in the press reports.
‘Anglo-Saxon’ cemetery discovered in Yorkshire
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(GlcNAcβ1-3) fucitol, was not detectable in whole embryos, mass spectrometry fragmentation and exoglycosidase sensitivity defined a novel glucuronyl trisaccharide as GlcNAcβ1-3 (GlcAβ1-4) fucitol.
Journal of Biological Chemistry current issue
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In this article, accelerator mass spectrometry (AMS) applications in searching for violation of Pauli exclusion principle and study on supernovae are discussed as examples.
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Using techniques including atomic force microscopy and mass spectrometry, the team found that very similar enzymes, known as trypsin-like serine proteases, are at work in barnacle glue.
Signs of the Times
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The citronella oil content of certain candle formulations was determined by headspace gas chromatography - mass spectrometry.
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The first is examined using mass spectrometry, which knocks molecules apart and analyzes the debris.
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A gas chromatography-mass spectrometry (GC/MS) analytical method for three anorectics drugs, fenfluramine, diethylpropion and mazindol, illegally adulterated in slimming foods has been developed.
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The most common technique is called EDX spectrometry - energy dispersive X-ray microanalysis.
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Our sample-preparation methods split the fatty acids from the alcohol components of glyceryl and steryl esters to form fatty-acid methyl esters, which are more amenable to analysis through gas chromatography-mass spectrometry.
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Determination of palladium in catalyst of synthetic oxalic ester by flame atomic absorption spectrometry was studied.
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The molecules appeared in light-colored blotches on certain parts of the seaweed, and were visible with the help of a new technique known as desorption electrospray ionization mass spectrometry developed at the Georgia Tech's School of Chemistry and Biochemistry.
Yahoo! News: Business - Opinion
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The contents of cycloparaffins were calculated gravimetrically in each separated fraction and also analyzed by mass spectrometry methods.
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There is no mention of environmentally important techniques as gas chromatography, mass spectrometry, atomic absorption spectrometry, etc.
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Modern methods for measuring molecular weight include chromatographic methods and mass spectrometry.
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Reservoir monitoring tool ( RMT ) is a new pulsed neutron spectrometry logging tool.
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The scanner, the size of a small copy machine, uses spectrometry that can detect a billionth of a gram of explosives, such as TNT and nitroglycerine.
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These include metabolite measurements for plasma, urine and cerebrospinal fluid amino acids using ion exchange chromatography, urine organic acids using gas chromatography/mass spectrometry, and total and free carnitine levels and quantitative acylcarnitine profiles using electrospray tandem mass spectrometry.
Laboratory Rotation
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Metabolic markers for disorders of fatty acid metabolism and some of the organic acid disorders include total and free carnitine levels and an acylcarnitine profile, are measured using tandem mass spectrometry.
Metabolic Disease Lab
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Because the dimensions of the lipid bilayer and the alpha-hemolysin pore, as well as the required amount of electrical current, are at the nanoscale level, the "single-molecule mass spectrometry" technology may one day be incorporated into "lab-on-a-chip" molecular analyzers and single-strand DNA sequencers.
DNA Sieve — Nanoscale Pores can be Tiny Analysis Labs | Impact Lab
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Ultraviolet spectrometry and HPLC were used to determine the content of Lovastatin capsule. In the meantime, we compared the results by the two means.
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The charcoal tubes were desorbed with 1 ml of methylene chloride and analyzed by gas chromatography and mass spectrometry.
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The research from Purdue, led by analytical chemistry professor Graham Cooks, developed a technique called desorption electrospray ionization, or DESI, that eliminates a part of the mass spectrometry process, and thus speeds up the detection of substances to less than 10 seconds, said Williams.
Drug Hunting Just got Easier | Impact Lab
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The main photodegradation products of the dyes were identified by GC/MS spectrometry.
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Elastase activity was determined in a spectrophotometric assay using elastin-Congo red (Sigma) as a substrate, as previously described Liquid chromatography/electron spray ionization mass spectrometry (LC-ESI-MS) data on pure rhamnolipid was used to produce a standard curve for rhamnolipid B (concentration vs. total ionization current (TIC)).
PLoS ONE Alerts: New Articles
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A method was developed for the simultaneous determining of Clenbuterol, Salbutamol, Terbutaline and Fenoterol residues in pork tissues using gas chromatography-mass spectrometry(GC-MS).
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The patina of the James Ossuary inscription was tested independently by IAA scientific committee members Yuval Goren (micromorphology) and Ayalon (mass spectrometry).
Geologists: Ossuary Patina Faked
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Like flow cytometry, gas chromatography and gas chromatography-mass spectrometry, the technologies used to detect the presence of the chemicals used in the production of plastic, are well established.
The Explainer: Plastics
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Unfortunately the book was completed too soon to reflect the enormous impact of fast atom bombardment mass spectrometry on biology.
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Metabolites of gylcolysis and the citrate cycle were measured by ion chromatography coupled to mass spectrometry (IC-MS).
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The team used a mass spectrometry analysis technique developed by Cooks and coworkers called desorption electrospray ionization, or DESI, to measure and compare the chemical characteristics of 68 samples of normal and cancerous prostate tissue.
R&D Mag - News
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A method for determining mercury(Hg) in reprocessing process was investigated with separation by dithizone extraction and determination by cold atomic fluorescence spectrometry.
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A series of free radicals and the neutral molecules were identified by measuring of photoionization mass spectrometry combined with photoionization efficiency spectra.
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Data from gamma ray spectrometry can provide useful information on sediment provenance and environmental conditions.
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The scanner, the size of a small copy machine, uses spectrometry that can detect a billionth of a gram of explosives, such as TNT and nitroglycerine.
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These sample will be analyzed mineralogically (petrography, X-ray diffraction) and geochemically (Inductively Coupled Plasma-Mass Spectrometry, X-Ray Fluorescence) to identify and characterize the ore deposits and the metal production waste.
Interactive Dig Sagalassos 2003 - Metallurgical Studies Report 2
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Quantitative analysis, by means of gas chromatography-mass spectrometry, identified guaiacol, 4-methylguaiacol, 4-ethylguaiacol, 4-ethylphenol, eugenol, and furfural in each of the wines made from smoked grapes.
When Smoke Gets in Your Grapes
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A laser photothermal spectrometry based on the "thermal lens effect" and the "mirage effect" is discussed with emphasis.
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There is no mention of environmentally important techniques as gas chromatography, mass spectrometry, atomic absorption spectrometry, etc.
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Objective:To establish a method for determination of air stannum in workplace by hydride generator-atomic fluorescence spectrometry.
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Monazites were identified in thin section by their very bright backscattered electron images and verified by energy-dispersive spectrometry.
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The molecular structure of the silicone resin pre-and post-blending modification by poly (butyl methacrylate)(PBMA) was characterized by Fourier transform infra-red spectrometry.
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Because the dimensions of the lipid bilayer and the alpha-hemolysin pore, as well as the required amount of electrical current, are at the nanoscale level, the "single-molecule mass spectrometry" technology may one day be incorporated into "lab-on-a-chip" molecular analyzers and single-strand DNA sequencers.
DNA Sieve — Nanoscale Pores can be Tiny Analysis Labs | Impact Lab
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The new inductively coupled plasma mass-spectrometry laboratory is a leading exponent of the application of this powerful analytical technique to geological materials.
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: The copper content was determined by atomic absorption spectrophotometry ( AAS ) and inductively coupled plasma atomic emission spectrometry ( ICP ...
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Pyrolysis-mass-spectrometry results from the sample area coupled with microscopic and microchemical observations prove that the radiocarbon sample was not part of the original cloth of the Shroud of Turin.
Uncommon Descent
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But only recent advances in scientific dating techniques, the latest using accelerator mass spectrometry, have enabled their true antiquity to be revealed.
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The three main laboratory methods used to screen newborns for PKU are the Guthrie bacterial inhibition assay, fluorometric analysis and tandem mass spectrometry.
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The researchers used infrared spectrometry to analyze the heliograph's bitumen layer, too.
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The new inductively coupled plasma mass-spectrometry laboratory is a leading exponent of the application of this powerful analytical technique to geological materials.
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A potentially-important recent advance is the use of SIMS secondary-ion mass spectrometry on gorgonian corals—which live at all depths, from the poles to the equator.
Pollack and Schrag at the NAS Panel « Climate Audit
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The most sophisticated technique is scintillation spectrometry.
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We determined the concentrations of 39 elements in hair by inductive coupled plasma mass spectrometry.
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The charcoal tubes were desorbed with 1 ml of methylene chloride and analyzed by gas chromatography and mass spectrometry.
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Pyrolysis-mass-spectrometry results from the sample area coupled with microscopic and microchemical observations prove that the radiocarbon sample was not part of the original cloth of the Shroud of Turin.
Conservapedia - Recent changes [en]
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The mineral content of wine can be measured in fractional parts per billion by modern methods of analysis such as atomic absorption spectroscopy and mass spectrometry.
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Suspecting that their microcentrifuge tubes might be the culprits, Robson and his colleagues took a closer look at ten types of tube from nine manufacturers, using mass spectrometry to determine the levels of leached chemicals.
Scientific American
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Newer techniques such as inductively coupled plasma spectrometry have taken over many aspects of elemental analysis.
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The new inductively coupled plasma mass-spectrometry laboratory is a leading exponent of the application of this powerful analytical technique to geological materials.
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Both mass spectrometry data of tryptic digests and in vitro labeling of cysteine residues with 4-acetamido-4 'maleimidyl-stilbene-2,
BioMed Central - Latest articles
