About: Increase of Acetone and Ammonia in Urine Headspace and Breath during Ovulation Quatified using Selected Ion Flow Tube Mass Spectrometry.

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About: Increase of Acetone and Ammonia in Urine Headspace and Breath during Ovulation Quatified using Selected Ion Flow Tube Mass Spectrometry. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Selected ion flow tube mass spectrometry (SIFT-MS) has been used for a detailed study of the daily variations in the acetone and ammonia content of the headspace above urine from a healthy female subject over the course of three separate menstrual cycles. Midstream urine samples were taken every morning prior to any food intake and the headspace subsequently analysed for a number of metabolites. Concurrent with the time of ovulation, a 3-to-12-fold increase in the level of acetone in the urine headspace was observed. The successive peaks in acetone level and the subsequent return to baseline values were mirrored by similar increases in the ammonia levels, but these were a day out of phase. Interestingly, parallel breath analyses at ovulation showed no great increase in either acetone or ammonia above their normal morning levels, suggesting that these metabolites had been removed from the body during the night by the usual metabolic and physiological processes. Selected ion flow tube mass spectrometry (SIFT-MS) has been used for a detailed study of the daily variations in the acetone and ammonia content of the headspace above urine from a healthy female subject over the course of three separate menstrual cycles. Midstream urine samples were taken every morning prior to any food intake and the headspace subsequently analysed for a number of metabolites. Concurrent with the time of ovulation, a 3-to-12-fold increase in the level of acetone in the urine headspace was observed. The successive peaks in acetone level and the subsequent return to baseline values were mirrored by similar increases in the ammonia levels, but these were a day out of phase. Interestingly, parallel breath analyses at ovulation showed no great increase in either acetone or ammonia above their normal morning levels, suggesting that these metabolites had been removed from the body during the night by the usual metabolic and physiological processes. (en)
Title	Increase of Acetone and Ammonia in Urine Headspace and Breath during Ovulation Quatified using Selected Ion Flow Tube Mass Spectrometry. Increase of Acetone and Ammonia in Urine Headspace and Breath during Ovulation Quatified using Selected Ion Flow Tube Mass Spectrometry. (en)
skos:prefLabel	Increase of Acetone and Ammonia in Urine Headspace and Breath during Ovulation Quatified using Selected Ion Flow Tube Mass Spectrometry. Increase of Acetone and Ammonia in Urine Headspace and Breath during Ovulation Quatified using Selected Ion Flow Tube Mass Spectrometry. (en)
skos:notation	RIV/61388955:_____/03:54030041!RIV/2004/AV0/A54004/N
http://linked.open.../vavai/riv/strany	191;199
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/00/0632), P(GA203/02/0737), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Španěl, Patrik
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	610092
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/03:54030041
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SIFT-MS; increase of acetone; ammonia (en)
http://linked.open.../riv/klicoveSlovo	ammonia SIFT-MS increase of acetone
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[0995D5E0A8ED]
http://linked.open...i/riv/nazevZdroje	Physiological Measurement
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Chemistry of ions in the gaseous phase and ion-surface collisions Mass spectrometric and theoretical characterization of transient molecules
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	24
http://linked.open...iv/tvurceVysledku	Smith, D. Španěl, Patrik Diskin, A. M.
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	0967-3334
number of pages	9 (xsd:int)

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