Výsledky vyhledávání - "Gas Chromatography-Mass Spectrometry methods"

Organic geochemical evidence for life in Archean rocks identified by pyrolysis-GC-MS and supervised machine learning.

Autoři: Wong, Michael L Prabhu, Anirudh Alexander, Conel O'D a další

Přispěvatelé: Wong, Michael L Prabhu, Anirudh Alexander, Conel O'D a další

Zdroj: Proceedings of the National Academy of Sciences of the United States of America, 122 (47), e2514534122 (2025-11-25)

Témata: biosignatures, machine learning, meteorites, organic chemistry, photosynthesis, Organic Chemicals, Pyrolysis, Animals, Phylogeny, Plants/chemistry, Gas Chromatography-Mass Spectrometry/methods, Geologic Sediments/chemistry, Fossils, Supervised Machine Learning, Organic Chemicals/analysis, Organic Chemicals/chemistry, Physical, chemical, mathematical & earth Sciences, Physique, chimie, mathématiques & sciences de la terre

Relation: https://pnas.org/doi/pdf/10.1073/pnas.2514534122; urn:issn:0027-8424; urn:issn:1091-6490

Přístupová URL adresa: https://orbi.uliege.be/handle/2268/337660

Longitudinal fecal microbiota and volatile metabolomics preceding necrotizing enterocolitis in preterm infants: a case–control study: a case–control study

Autoři: el Hassani, S. el Manouni Frerichs, N.M. Berkhout, D.JC. a další

Přispěvatelé: el Hassani, S. el Manouni Frerichs, N.M. Berkhout, D.JC. a další

Zdroj: Sci Rep
Scientific Reports, Vol 15, Iss 1, Pp 1-12 (2025)
Scientific Reports, 15, 1

Témata: Male, Feces/microbiology, Gas Chromatography-Mass Spectrometry/methods, Clostridium perfringens, Science, Necrotizing/microbiology diagnosis metabolism, Biomarkers/analysis, Article, Clostridium perfringens/isolation & purification, Feces, Necrotizing enterocolitis, Enterocolitis, Necrotizing, REGRESSION, Metabolomics/methods, Humans, Metabolomics, Paediatrics - Radboud University Medical Center, Volatile organic compounds, Prospective Studies, General, ORGANIC-COMPOUNDS, Volatile Organic Compounds/analysis, Premature, Clostridium perfringens/isolation & purification metabolism, Volatile Organic Compounds, Science & Technology, Enterocolitis, Infant, Newborn, Infant, Volatile Organic Compounds/analysis metabolism, Newborn, Necrotizing/microbiology, Gastrointestinal Microbiome, Multidisciplinary Sciences, preterm (birth), Stool, Case-Control Studies, Biomarkers/analysis metabolism, Science & Technology - Other Topics, Medicine, Female, Microbiome, Infant, Premature, Biomarkers

Popis souboru: application/pdf

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/40140438
https://doaj.org/article/bca4e3f4d15f46eba569e9d2a7b50560
https://hdl.handle.net/https://repository.ubn.ru.nl/handle/2066/318052
https://dspace.library.uu.nl/handle/1874/461074
https://lirias.kuleuven.be/handle/20.500.12942/770693
https://doi.org/10.1038/s41598-025-94692-w
https://repository.ubn.ru.nl//bitstream/handle/2066/318052/318052.pdf
https://hdl.handle.net/2066/318052

GcDUO: an open-source software for GC × GC–MS data analysis

Autoři: Llambrich, Maria van der Kloet, Frans M Sementé, Lluc a další

Přispěvatelé: Llambrich, Maria van der Kloet, Frans M Sementé, Lluc a další

Zdroj: Brief Bioinform

Témata: Gas Chromatography-Mass Spectrometry/methods, open-source software, Physique, chimie, mathématiques & sciences de la terre, chemometrics, metabolomics, PARAFAC, Gas Chromatography-Mass Spectrometry, Chemistry, GC × GC–MS, Physical, chemical, mathematical & earth Sciences, PARAFAC2, multi-dimensional chromatography, Chimie, Problem Solving Protocol, Software

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/40037642

Workflow4Metabolomics (W4M): A User‐Friendly Metabolomics Platform for Analysis of Mass Spectrometry and Nuclear Magnetic Resonance Data

Autoři: Delporte, Cédric Tremblay-Franco, Marie Guitton, Yann a další

Přispěvatelé: Delporte, Cédric Tremblay-Franco, Marie Guitton, Yann a další

Zdroj: Current Protocols. 5

Témata: Chromatography, Magnetic Resonance Spectroscopy, Liquid -- methods, Sciences bio-médicales et agricoles, chemometrics, LC–MS, NMR, Mass Spectrometry, Gas Chromatography-Mass Spectrometry, Gas Chromatography-Mass Spectrometry -- methods, LC-MS, Workflow, untargeted metabolomics, [SDV] Life Sciences [q-bio], annotation, statistics, Magnetic Resonance Spectroscopy -- methods, Metabolomics, Humans, GC–MS, GC-MS, Metabolomics -- methods, Software, Mass Spectrometry -- methods

Popis souboru: 1 full-text file(s): application/pdf

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/39951023

Multiplatform metabolomic interlaboratory study of a whole human stool candidate reference material from omnivore and vegan donors

Autoři: Cruz, Abraham Kuri Alves, Marina Amaral Andresson, Thorkell a další

Zdroj: Metabolomics, vol 20, iss 6

Témata: Gas Chromatography-Mass Spectrometry/methods, Magnetic Resonance Spectroscopy, Gut metabolomics, Endocrinology, Diabetes and Metabolism, Physique, chimie, mathématiques & sciences de la terre, Clinical Biochemistry, Biochemistry, Gas Chromatography-Mass Spectrometry, Feces/chemistry, Feces, Physical, chemical, mathematical & earth Sciences, Metabolomics/methods, Chimie, Humans, Metabolomics, Magnetic Resonance Spectroscopy/methods, Chromatography, Liquid, Multiplatform analysis, Chromatography, Liquid/methods, Reproducibility of Results, Reference Standards, Human stool, Gastrointestinal Microbiome, Chemistry, Fecal matter, Lipidomics, Metabolome, Reference materials, Chromatography, Liquid

Popis souboru: application/pdf

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/39495321
https://escholarship.org/uc/item/8nj8r6r8
https://escholarship.org/content/qt8nj8r6r8/qt8nj8r6r8.pdf

Top-Down Approach to Retention Time Prediction in Comprehensive Two-Dimensional Gas Chromatography–Mass Spectrometry

Autoři: Gaida, Meriem Franchina, Flavio Stefanuto, Pierre-Hugues a další

Přispěvatelé: Gaida, Meriem Franchina, Flavio Stefanuto, Pierre-Hugues a další

Zdroj: Analytical Chemistry. 94:17081-17089

Témata: Gas Chromatography-Mass Spectrometry/methods, Modeling approach, Physique, chimie, mathématiques & sciences de la terre, Retention time prediction, Space occupation, Top down approaches, 04 agricultural and veterinary sciences, 01 natural sciences, Analytes, Comprehensive two-dimensional gas chromatography, Gaschromatography-mass spectrometry, GC×GC, Retention time, Time of flight mass spectrometry, Gas Chromatography-Mass Spectrometry, Analytical Chemistry, Time, 0104 chemical sciences, Chemistry, 0404 agricultural biotechnology, Physical, chemical, mathematical & earth Sciences, Chimie

Popis souboru: application/pdf

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/36444996

Comprehensive two‐dimensional gas chromatographic platforms comparison for exhaled breath metabolites analysis

Autoři: Zanella, Delphine Henin, Adèle Mascrez, Steven a další

Zdroj: J Sep Sci

Témata: 0301 basic medicine, Gas Chromatography-Mass Spectrometry/methods, Physique, chimie, mathématiques & sciences de la terre, Filtration and Separation, Systèmes cardiovasculaire & respiratoire, Eucalyptol/analysis, High potential, Sciences de la santé humaine, 01 natural sciences, Gas Chromatography-Mass Spectrometry, Analytical Chemistry, 03 medical and health sciences, volatile metabolites, Physical, chemical, mathematical & earth Sciences, Cardiovascular & respiratory systems, Chimie, breath analysis, Exhaled breaths, Human health sciences, Two-dimensional gas, Volatile Organic Compounds/analysis, Gas Chromatography, Bicyclic Monoterpenes, Volatile Organic Compounds, comprehensive two-dimensional gas chromatography, Eucalyptol, Disease diagnosis, Metabolite analysis, Polyethylene Terephthalates, 0104 chemical sciences, Chemistry, Breath Tests, Exhaled breath analysis, Cymenes, Comprehensive two-dimensional, Breath Tests/methods, Limonene/analysis, Limonene

Popis souboru: application/pdf

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/35853166

A novel ultra-high-performance supercritical fluid chromatography hyphenated to tandem mass spectrometry method for the analysis of urinary endogenous steroids in the anti-doping context.

Autoři: Langer, T. Nicoli, R. Guillarme, D. a další

Zdroj: Journal of chromatography. A, vol. 1734, pp. 465224

Témata: Doping in Sports, Tandem Mass Spectrometry/methods, Humans, Chromatography, Supercritical Fluid/methods, Steroids/urine, Substance Abuse Detection/methods, Limit of Detection, Gas Chromatography-Mass Spectrometry/methods, Testosterone/urine, Reproducibility of Results, Anti-doping analysis, Athlete biological passport, IRMS, UHPSFC-MS/MS, Urinary steroid profiling

Popis souboru: application/pdf

Relation: info:eu-repo/semantics/altIdentifier/pmid/39191183; info:eu-repo/semantics/altIdentifier/eissn/1873-3778; info:eu-repo/semantics/altIdentifier/urn/urn:nbn:ch:serval-BIB_1E6FEADDD3812; https://serval.unil.ch/notice/serval:BIB_1E6FEADDD381; https://serval.unil.ch/resource/serval:BIB_1E6FEADDD381.P001/REF.pdf

Dostupnost: https://serval.unil.ch/notice/serval:BIB_1E6FEADDD381
https://doi.org/10.1016/j.chroma.2024.465224
https://serval.unil.ch/resource/serval:BIB_1E6FEADDD381.P001/REF.pdf
http://nbn-resolving.org/urn/resolver.pl?urn=urn:nbn:ch:serval-BIB_1E6FEADDD3812

Quantification of systemic o-toluidine after intrathecal administration of hyperbaric prilocaine in humans: a prospective cohort study

Autoři: Emmanuel Guntz Andrea Carini Stephan Koslitz a další

Zdroj: Archives of toxicology

Témata: Hyperbaric prilocaine, 0301 basic medicine, Spinal, Toluidines, Local anesthetic, Gas Chromatography-Mass Spectrometry, Injections, Cohort Studies, Hemoglobins, 03 medical and health sciences, Hemoglobin adducts, Tandem Mass Spectrometry, Toxicologie pharmaceutique, Humans, Prospective Studies, Anesthetics, Local, Injections, Spinal, Anesthetics, Hemoglobins -- metabolism, 0303 health sciences, Mutagenèse et technologie génétique, Local -- administration & dosage -- pharmacokinetics, Toluidines -- urine, Prilocaine, Gas Chromatography-Mass Spectrometry -- methods, 3. Good health, Tandem Mass Spectrometry -- methods, o-toluidine, Prilocaine -- administration & dosage -- pharmacokinetics, Spinal anesthesia

Popis souboru: 1 full-text file(s): application/pdf

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/33475793
https://www.scilit.net/article/5b4d5be904920c5cc0d8407d8f13224f?action=show-references
https://link.springer.com/article/10.1007/s00204-021-02973-w
https://www.ncbi.nlm.nih.gov/pubmed/33475793
https://pubmed.ncbi.nlm.nih.gov/33475793/
https://difusion.ulb.ac.be/vufind/Record/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/319082/Details
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/319082

Coaxial Spinning of All-Cellulose Systems for Enhanced Toughness: Filaments of Oxidized Nanofibrils Sheathed in Cellulose II Regenerated from a Protic Ionic Liquid: Filaments of Oxidized Nanofibrils Sheathed in Cellulose II Regenerated from a Protic Ionic Liquid

Autoři: Reyes, Guillermo Lundahl, Meri J. Alejandro-Martín, Serguei a další

Přispěvatelé: Reyes, Guillermo Lundahl, Meri J. Alejandro-Martín, Serguei a další

Zdroj: Biomacromolecules. 21:878-891

Témata: Gas Chromatography-Mass Spectrometry/methods, Nanofibers/analysis, IONCELL-F FIBERS, Cellulose/analysis, Nanofibers, Ionic Liquids, Hydrogels, 02 engineering and technology, FILMS, OXIDATION, Gas Chromatography-Mass Spectrometry, Hydrogels/analysis, NANOCRYSTALS, Chemical sciences, DISSOLUTION, Tensile Strength, PAPER, NANOCELLULOSE, WATER, CYTOTOXICITY, Ionic Liquids/analysis, ta216, Cellulose, 0210 nano-technology, NATIVE CELLULOSE

Popis souboru: application/pdf

Přístupová URL adresa: https://helda.helsinki.fi/bitstream/10138/314552/1/bm_2019_01559r_finalver.pdf
https://pubmed.ncbi.nlm.nih.gov/31895545
http://juuli.fi/Record/0368296320
https://doi.org/10.1021/acs.biomac.9b01559
https://cris.vtt.fi/en/publications/7cd173d5-6f13-4e56-8772-9d68f2be9ac9
https://doi.org/10.1021/acs.biomac.9b01559
https://www.scilit.net/article/af281c1cb7e84b2ca43a19e6b6332500
https://pubag.nal.usda.gov/catalog/6837642
https://pubs.acs.org/doi/10.1021/acs.biomac.9b01559
http://pubs.acs.org/doi/10.1021/acs.biomac.9b01559
https://www.ncbi.nlm.nih.gov/pubmed/31895545
https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=202002275637644291
http://hdl.handle.net/10138/314552

Comprehensive Insight into Colorectal Cancer Metabolites and Lipids for Human Serum: A Proof-of-Concept Study.

Autoři: Bhatt, Kinjal Orlando, Titziana Meuwis, Marie-Alice a další

Zdroj: International Journal of Molecular Sciences, 24 (11), 9614 (2023-06-01)

Témata: GC×GC–TOFMS, blood, chemometrics, colorectal cancer, comprehensive gas chromatography, lipidomics, mass spectrometry, metabolomics, sample preparation, separation science, serum, Fatty Acids, Humans, Gas Chromatography-Mass Spectrometry/methods, Mass Spectrometry/methods, Metabolomics/methods, Colorectal Neoplasms/diagnosis, Catalysis, Molecular Biology, Spectroscopy, Computer Science Applications, Physical and Theoretical Chemistry, Organic Chemistry, Inorganic Chemistry, General Medicine, Physical, chemical, mathematical & earth Sciences, Chemistry, Physique, chimie, mathématiques & sciences de la terre, Chimie

Relation: https://www.mdpi.com/1422-0067/24/11/9614/pdf; urn:issn:1661-6596; urn:issn:1422-0067

Přístupová URL adresa: https://orbi.uliege.be/handle/2268/304852

A Complete Pipeline for Untargeted Urinary Volatolomic Profiling with Sorptive Extraction and Dual Polar and Nonpolar Column Methodologies Coupled with Gas Chromatography Time-of-Flight Mass Spectrometry

Autoři: Wen, Qing Myridakis, Antonis Boshier, Piers R a další

Témata: Biomarkers, Gas Chromatography-Mass Spectrometry - methods, Humans, Mass Spectrometry, Volatile Organic Compounds - analysis

Popis souboru: pdf

Relation: ispartof: Analytical chemistry (Washington) spage 758 epage 765 issue 2 vol 95; WOS:000922022000001; 991005743545007891; https://researchportal.murdoch.edu.au/view/delivery/61MUN_INST/12173476440007891/13173506620007891; alma:61MUN_INST/bibs/991005743545007891

Dostupnost: https://doi.org/10.1021/acs.analchem.2c02873
https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/A-Complete-Pipeline-for-Untargeted-Urinary/991005743545007891
https://researchportal.murdoch.edu.au/view/delivery/61MUN_INST/12173476440007891/13173506620007891

Metabolite variation between nematode and bacterial seed galls in comparison to healthy seeds of Ryegrass using direct immersion Solid-Phase Microextraction (DI-SPME) coupled with GC-MS

Autoři: Koli, Pushpendra Agarwal, Manjree Kessell, David a další

Témata: Animals, Esters - analysis, Gas Chromatography-Mass Spectrometry - methods, Immersion, Lolium, Nematoda, Reproducibility of Results, Seeds - chemistry, Solid Phase Microextraction - methods, Volatile Organic Compounds - analysis

Popis souboru: pdf

Relation: ispartof: Molecules (Basel, Switzerland) issue 2 vol 28; WOS:000927786300001; 991005565370207891; https://researchportal.murdoch.edu.au/view/delivery/61MUN_INST/12140937810007891/13140937800007891; alma:61MUN_INST/bibs/991005565370207891

Dostupnost: https://doi.org/10.3390/molecules28020828
https://researchportal.murdoch.edu.au/esploro/outputs/journalArticle/Metabolite-variation-between-nematode-and-bacterial/991005565370207891
https://researchportal.murdoch.edu.au/view/delivery/61MUN_INST/12140937810007891/13140937800007891

Rapid screening method for determination of Ecstasy and amphetamines in urine samples using gas chromatography-chemical ionisation mass spectrometry.

Autoři: Pellegrini, M. Rosati, F. Pacifici, R. a další

Témata: Adolescent, Adult, Amphetamines/urine, Female, Gas Chromatography-Mass Spectrometry/methods, Humans, Male, Middle Aged, N-Methyl-3,4-methylenedioxyamphetamine/urine, Sensitivity and Specificity

Relation: Journal of Chromatography B; https://iris.unil.ch/handle/iris/96953; serval:BIB_22445

Dostupnost: https://iris.unil.ch/handle/iris/96953

Accuracy profile validation of a new method for carbon monoxide measurement in the human blood using headspace-gas chromatography-mass spectrometry (HS-GC-MS).

Autoři: Varlet, V. De Croutte, E.L. Augsburger, M. a další

Témata: Autopsy, Carbon Monoxide/blood, Carbon Monoxide/chemistry, Gas Chromatography-Mass Spectrometry/methods, Humans, Limit of Detection, Linear Models, Reproducibility of Results, Temperature

Relation: Journal of Chromatography B; https://iris.unil.ch/handle/iris/93465; serval:BIB_3AA867536244; 000299197600018

Dostupnost: https://iris.unil.ch/handle/iris/93465
https://doi.org/10.1016/j.jchromb.2011.11.028

Application of headspace solid phase microextraction to qualitative and quantitative analysis of tobacco additives in cigarettes.

Autoři: Merckel, C. Pragst, F. Ratzinger, A. a další

Témata: Gas Chromatography-Mass Spectrometry/methods, Reference Standards, Tobacco/chemistry

Relation: Journal of Chromatography A; https://iris.unil.ch/handle/iris/81501; serval:BIB_4CBC1BCACE17; 000237680300002

Dostupnost: https://iris.unil.ch/handle/iris/81501
https://doi.org/10.1016/j.chroma.2006.03.010

Plasma and urine profiles of Delta9-tetrahydrocannabinol and its metabolites 11-hydroxy-Delta9-tetrahydrocannabinol and 11-nor-9-carboxy-Delta9-tetrahydrocannabinol after cannabis smoking by male volunteers to estimate recent consumption by athletes.

Autoři: Brenneisen, R. Meyer, P. Chtioui, H. a další

Témata: Adult, Cannabis/metabolism, Doping in Sports/prevention & control, Gas Chromatography-Mass Spectrometry/methods, Humans, Male, Smoking/blood, Smoking/urine, Street Drugs/blood, Street Drugs/urine, Substance Abuse Detection/methods, Tetrahydrocannabinol/blood, Tetrahydrocannabinol/urine

Relation: Analytical and Bioanalytical Chemistry; 1618-2650[electronic]; https://iris.unil.ch/handle/iris/71864; serval:BIB_45ACB61BAE86; 000275752600013

Dostupnost: https://iris.unil.ch/handle/iris/71864
https://doi.org/10.1007/s00216-009-3431-3

Carbon monoxide analysis method in human blood by Airtight Gas Syringe - Gas Chromatography - Mass Spectrometry (AGS-GC-MS): Relevance for postmortem poisoning diagnosis.

Autoři: Oliverio, S. Varlet, V.

Témata: Adult, Aged, Autopsy, Blood Gas Analysis/methods, Carbon Monoxide/blood, Carboxyhemoglobin/analysis, Female, Forensic Toxicology, Gas Chromatography-Mass Spectrometry/methods, Humans, Limit of Detection, Linear Models, Male, Reproducibility of Results, Young Adult, Airtight Gas Syringe, Analytical measurement, Carbon monoxide, Carboxyhaemoglobin, GC-MS

Popis souboru: application/pdf

Relation: Journal of Chromatography B; https://iris.unil.ch/handle/iris/71203; serval:BIB_2939CA1FEC9B; 000434901500011

Dostupnost: https://iris.unil.ch/handle/iris/71203
https://doi.org/10.1016/j.jchromb.2018.05.019

A high-performance liquid chromatography method for the detection of diaminopimelic acid in urine

Autoři: Borruat, G. Roten, C. A. Fay, L. B. a další

Témata: Adult Chromatography, High Pressure Liquid/*methods Diaminopimelic Acid/*urine Female Gas Chromatography-Mass Spectrometry/*methods Humans Hydrolysis Male Oxidation-Reduction Reproducibility of Results Sensitivity and Specificity o-Phthalaldehyde/isolation & purification/urine

Relation: Analytical Biochemistry; https://iris.unil.ch/handle/iris/240353; serval:BIB_E1F613C9BC05; 000168057600002

Dostupnost: https://iris.unil.ch/handle/iris/240353
https://doi.org/10.1006/abio.2001.5016

Detection of urinary arimistane metabolites in humans using liquid chromatography-mass spectrometry: Complementary results to gas chromatography mass spectrometric data and its application to antidoping analyses.

Autoři: Martinez Brito, D. Leogrande, P. Botrè, F. a další

Témata: Chromatography, High Pressure Liquid/methods, Doping in Sports/methods, Gas Chromatography-Mass Spectrometry/methods, Humans, Molecular Structure, Performance-Enhancing Substances/chemistry, Performance-Enhancing Substances/urine, Pharmaceutical Preparations/urine, Urine/chemistry

Relation: Rapid Communications in Mass Spectrometry; https://iris.unil.ch/handle/iris/219902; serval:BIB_9394BAB0B049; 000648449300009

Dostupnost: https://iris.unil.ch/handle/iris/219902
https://doi.org/10.1002/rcm.9080