An Introduction to Flow Field Flow Fractionation and Coupling to ICP-MS | SelectScience
This note introduces the versatile size-separation technique of field flow fractionation (FFF) and its combination with ICP-MS ... Latest: Webinar highlights - Perfluorinated and Polyfluorinated Chemicals in the Environment -.... Visit Environmental ... This note introduces the versatile size-separation technique of field flow fractionation (FFF) and its combination with ICP-MS ... Application Note: An Introduction to Flow Field Flow Fractionation and Coupling to ICP-MS. 4 April 2012 ...http://www.selectscience.net/application-articles/an-introduction-to-flow-field-flow-fractionation-and-coupling-to-icp-ms/?artID=24629
Contact allergy to oak moss: search for sensitizing molecules using combined bioassay-guided chemical fractionation, GC-MS, and...
Contact allergy to oak moss: search for sensitizing molecules using combined bioassay-guided chemical fractionation, GC-MS, and ... The method is based on the combination of bioassay-guided chemical fractionation, gas chromatography-mass spectrometry analysis ... Identification of Lilial as a fragrance sensitizer in a perfume by bioassay-guided chemical fractionation and structure- ... In: Smith CK, Hotchkiss SAM (eds) Allergic contact dermatitis: chemical and metabolic mechanisms. Taylor & Francis, London, pp ...https://link.springer.com/article/10.1007%2Fs00403-003-0426-3
Identification of compounds in heavy fuel oil that are chronically toxic to rainbow trout embryos by effects‐driven chemical...
... driven chemical fractionation. This research isolated and identified compounds in heavy fuel oil 7102 (HFO 7102) that are ... driven chemical fractionation combined the chemical separation of oil with toxicity testing and chemical analyses of each ... driven chemical fractionation. Be the first to comment! ... a high energy chemical dispersion of oil in water, which ... Identification of compounds in heavy fuel oil that are chronically toxic to rainbow trout embryos by effects‐driven chemical ...https://www.environmental-expert.com/articles/identification-of-compounds-in-heavy-fuel-oil-that-are-chronically-toxic-to-rainbow-trout-embryos-by-407249
A Novel and Validated Chemical-Enzymatic Strontium Fractionation Method for Wheat Flour from Celestite Mining Area: the First...
... a sequential Sr fractionation scheme was developed for wheat flour matrix. The lipid, water-soluble, and starch fractions were ... A Novel and Validated Chemical-Enzymatic Strontium Fractionation Method for Wheat Flour from Celestite Mining Area: the First ... Erdemir US, Gucer S (2016a) Characterization of copper bioavailability in wheat flour by chemical fractionation and inductively ... Guidelines for terms related to chemical speciation and fractionation of elements. Definitions, structural aspects, and ...https://link.springer.com/article/10.1007%2Fs12161-018-1362-3
Toxicity and mutagenicity of Upper Danube River sediments determined by chemical fractionation, the Danio rerio embryo assay,...
Toxicity and mutagenicity of Upper Danube River sediments determined by chemical fractionation, the Danio rerio embryo assay, ... Fractionation of each of the four sediment samples was performed by separating compounds according to their polarity, planarity ... In this study, four sediment extracts from the Upper Danube River in Germany were used with a novel fractionation technique to ... Taken as a whole, these results show the value of using multiple bioassays and fractionation to characterize sediments that ...https://harvest.usask.ca/handle/10388/etd-11182009-154832
The flavonoid herbacetin diglucoside as a constituent of the lignan macromolecule from flaxseed hulls.
Chemical Fractionation. Coumaric Acids / chemistry, isolation & purification. Flavonoids / chemistry*, isolation & purification ...http://www.biomedsearch.com/nih/flavonoid-herbacetin-diglucoside-as-constituent/17141814.html
Chromatographic quantitation of some bioactive minor components in oils of wheat germ and grape seeds produced as by-products.
Chemical Fractionation. Chromatography, Gas. Chromatography, High Pressure Liquid. Fatty Acids / analysis, chemistry. ...http://www.biomedsearch.com/nih/Chromatographic-quantitation-some-bioactive-minor/19367078.html
Copper and zinc accumulation, fractionation and migration in vineyard soils from Santa Catarina State, Brazil
Chemical fractionation of Cu and Zn was carried out in the soil of the 0.0-0.05, 0.05-0.10 and 0.10-0.20m layers (Tessier et al ... and chemical fractionation, which estimates soluble fraction, exchangeable fraction, fraction associated with clay minerals, ... Methods for chemical analysis are used to estimate the Cu and Zn content in the soil. The total content of the two trace ... The physical and chemical attributes were determined in the 0.0-0.05, 0.05-0.10 and 0.10-0.20m layers. Analysis of ...http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017005013107&lng=en&tlng=en
A novel fractionation approach for water constituents - distribution of storm event metals.
A novel fractionation method, based on both particle size and settling characteristics, was employed to examine metal ... Chemical Fractionation / instrumentation*. Environmental Monitoring / instrumentation*. Equipment Design. Fresh Water / ... A novel fractionation method, based on both particle size and settling characteristics, was employed to examine metal ...http://www.biomedsearch.com/nih/novel-fractionation-approach-water-constituents/23535891.html
Electrochemical sensor for estriol hormone detection in biological and environmental samples | SpringerLink
1. Chemical fractionation and in vitro biological screening. Environ Sci Technol 32:1549-1558CrossRefGoogle Scholar ... Alvani K, Qi X, Tester RF, Snape CE (2011) Physico-chemical properties of potato starches. J Food Chem 125:958-965CrossRef ... Lei W, Si W, Xu Y, Gu Z, Hao Q (2014) Conducting polymer composites with graphene for use in chemical sensors and biosensors. ... Colborn T, vom Saal FS, Soto AM (1993) Developmental effects of endocrine-disrupting chemicals in wildlife and humans. Environ ...https://link.springer.com/article/10.1007/s10008-017-3726-9
Exposure to 17α-ethynylestradiol causes dose and temporally dependent changes in intersex, females and vitellogenin production...
1. Chemical fractionation and in vitro biological screening. Environ Sci Technol 32(11):1549-1558CrossRefGoogle Scholar ... Desbrow C, Routledge E, Brightly G, Sumpter J, Waldock M (1998) Identification of estrogenic chemicals in STW effluent. ... of male clams Scrobicularia plana from estuaries in Southwest UK and its induction by endocrine-disrupting chemicals. Mar Ecol ...https://link.springer.com/article/10.1007%2Fs10646-010-0529-5
Preparation, preservation and application of pure isotope-enriched phenyltin species.
Chemical Fractionation/methods, Chromatography; Gas/methods, Chromatography; High Pressure Liquid/methods, Gas Chromatography- ... A method combining liquid/liquid extraction and chromatographic fractionation has been developed for the preparation of pure ... Vienna University of Technology, Institute for Chemical Technologies and Analytics, Department Instrumental Analytical ... Mass Spectrometry/methods, Isotopes, Organotin Compounds/analysis/chemical synthesis, Reproducibility of Results, Sensitivity ...http://umu.diva-portal.org/smash/record.jsf?pid=diva2:151459
Patent US20090203098 - Indirect production of butanol and hexanol - Google Patents
A process for the conversion of carbohydrates from any of a number of sources into butanol and hexanol for fuel or chemical use ... A biomass 10 is subjected to chemical fractionation 20. The biomass 10 can be selected from a wide range of materials as is ... the chemical energy flow for the ABE Technology results in 30% of the chemical energy of the starting biomass being converted ... is a comparison of the chemical energy flows and chemical efficiencies of an ABE fermentation process, a butyric acid hybrid ...http://www.google.com/patents/US20090203098?dq=patent:D556760
Mantle Chemistry and Accretion History of the Earth | SpringerLink
The chemical composition of the Earth's primitive mantle (present mantle + crust) yields important information about the ... Anders E (1965) Chemical fractionations in meteorites. NASA Contract Rep CR-299Google Scholar ... Clayton DD (1980) Chemical energy of cold-cloud aggregates: The origin of meteoritic chondrules. Astrophys J 239: L37-L41 ... Sun S-S (1982) Chemical composition and the origin on the Earth's primitive mantle. Geochim Cosmochim Acta 46: 179-192CrossRef ...https://link.springer.com/chapter/10.1007/978-3-642-70001-9_1
Philosophical Transactions of the Royal Society B: Biological Sciences
1998 Identification of estrogenic chemicals in STW effluent. 1. Chemical fractionation and in vitro biological screening. ... Such chemicals are categorized into two groups: (i) hydrophobic chemicals that are adsorbed from surrounding seawater owing to ... To assess the potential hazard of ingested plastic-derived chemicals to the predator, chemicals present in the natural prey ... 2009 Human body burdens of chemicals used in plastic manufacture. Phil. Trans. R. Soc. B 364, 2063-2078. (doi:10.1098/rstb. ...http://rstb.royalsocietypublishing.org/content/364/1526/2027.long
Electrically induced reduction of trichloroethene in clay.
13376634 - The chemical fractionation of lymphatic organs.. Publication Detail: Type: Journal Article; Research Support, U.S. ...http://www.biomedsearch.com/nih/Electrically-induced-reduction-trichloroethene-in/19729244.html
Chemical Waste (Health and Safety) Articles on Environmental XPRT
Find chemical waste (health and safety) articles on Environmental XPRT, the world's largest environmental industry marketplace ... Chemical fractionation and speciation modelling for optimization of ion-exchange processes to recover palladium from industrial ... Online Chemical Oxygen Demand for Treatment Optimization - Case Study A wide variety of products are made in the chemical and ... A Guide on International Chemical Conventions There are many international chemical conventions restricting or even banning the ...https://www.environmental-expert.com/health-safety/chemical-waste/articles
Foam fractionation of spent sulphite liquor: Part I: Separation of surfactants - Zajic - 2009 - The Canadian Journal of...
The Canadian Journal of Chemical Engineering. Volume 57, Issue 3, pages 321-326, June 1979 ... Zajic, J. E., Berk, D. and Behie, L. A. (1979), Foam fractionation of spent sulphite liquor: Part I: Separation of surfactants ...http://onlinelibrary.wiley.com/doi/10.1002/cjce.5450570313/references
Professor Monica Grady | OU people profiles
Chemical fractionation and alteration trends between five nakhlites (2003-07) Bridges, J.; Jeffries, T.E. and Grady, M.M.. In ... Microbial D/H fractionation in extraterrestrial materials: application to micrometeorites and Mars (2004-03) Blackhurst, R. L ... Were Presolar Grains Destroyed by the Nebular Process Responsible for the Volatile Element Fractionation? (2008) Davidson, J.; ...http://www.open.ac.uk/people/mmg67
Arizona Geological Society - David London presents The Nature and Origins of Internal Zonation within Granitic Pegmatites
Oscillating Zonation and Chemical Fractionation. At 450o-550oC, the concentrations of components that are excluded from the ... The chemical potential gradients caused by the initial assemblage appear at the far end of the melt column because that is the ... Far-field chemical diffusion leads to spatial segregation of plagioclase and K-feldspar. ...https://arizonageologicalsoc.org/event-2431295
The effect of phytoestrogens on the female genital tract | Journal of Clinical Pathology
Identification of estrogenic chemicals in STW effluent. 1. Chemical fractionation and in vitro biological screening. Environ ... A detailed discussion of the nature and mechanism of action of the vast range of chemicals that have been found to have weak ... Biological effects of isoflavones in young women: importance of the chemical composition of soyabean products. Br Nutr J1995;74 ... Both natural and synthetic oestrogenic chemicals are present in raw domestic sewage.34 Despite treatment in a modern sewage ...https://jcp.bmj.com/content/55/6/401
Schematic representation of a chemical fractionation strategy applied to the plasma proteome characterization. High abundance ... Our laboratory has recently developed a strategy that combines immunoaffinity depletion and subsequent chemical fractionation ... IPG IEF followed by in-gel digestion has also been used for plasma protein fractionation prior to LC-MS/MS (52). A number of ... 300 μg of peptides were used for each SCX fractionation. The LC and SCX operations were the same as described previously (31). ...https://www.mcponline.org/content/5/10/1727
Archean kerogen as a new tracer of atmospheric evolution: Implications for dating the widespread nature of early life | Science...
New evidence for chemical fractionation of radioactive xenon precursors in fission chains. Phys. Rev. C 93, 044614 (2016).. ... The degree of mass fractionation relative to modern atmosphere can provide a model age for dating the last chemical ... chemical fractionation fission process (10)]. A giant impact event, such as the one proposed to have formed the Moon, could ... 3). Isotopic fractionation of Xe was computed by error-weighted correlations following the same procedure as that of Avice et ...http://advances.sciencemag.org/content/4/2/eaar2091.full
Analysis of elemental distributions in minerals and rocks by microwave-assisted continuous leaching on-line with...
3 Chemical speciation and chemical fractionation There is a difference between chemical speciation and chemical fractionation. ... 2 1.1.3 Chemical speciation and chemical fractionation ......... 1.1.4 Sequential extractions schemes.. 3 ....... 1.1.5 ... The International Union of Pure and Applied Chemistry (IUPAC) has defined chemical species as "the specific form of a chemical ... chemical speciation refers to the distribution of defined chemical species of an element in a system. In contrast, the term ...https://www.docme.ru/doc/4252760/analysis-of-elemental-distributions-in-minerals-and-rocks..
Water pollution in Tasmania - SourceWatch
Protein and Amino Acid Analysis and Chemical Fractionation; Australian Water Quality Centre, a business unit of South ... From water testing came the discovery of several unknown chemicals in the water samples. The presence of these chemicals in ... 40] No sediment sampling was undertaken for chemicals with high soil adsorptions, despite these often toxic chemicals being ... with 19 chemicals tested [see Background to Water Quality in Tasmania]. The transport of chemicals resulting from aerial ...https://www.sourcewatch.org/index.php/Water_pollution_in_Tasmania