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Titolo:
ECHO-PLANAR IMAGING RELAXOMETRY TO MEASURE THE VISCOSITY OF A MODEL MEAL
Autore:
MARCIANI L; MANOJ P; HILLS BP; MOORE RJ; YOUNG P; FILLERYTRAVIS A; SPILLER RC; GOWLAND PA;
Indirizzi:
UNIV NOTTINGHAM,DEPT PHYS,MAGNET RESONANCE CTR,UNIV PK NOTTINGHAM NG72RD ENGLAND AFRC,INST FOOD RES NORWICH NR4 7UA NORFOLK ENGLAND UNIV NOTTINGHAM HOSP,QUEENS MED CTR NOTTINGHAM NG7 2UH ENGLAND
Titolo Testata:
Journal of magnetic resonance (San Diego, Calif. 1997 : Print)
fascicolo: 1, volume: 135, anno: 1998,
pagine: 82 - 86
SICI:
1090-7807(1998)135:1<82:EIRTMT>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
GASTROINTESTINAL-TRACT; GUAR GALACTOMANNAN; MOTOR FUNCTION; RESONANCE; FLOW; RHEOMETRY; SYSTEMS; GELS; EPI;
Keywords:
EPI; RELAXATION RATE; VISCOSITY; POLYSACCHARIDE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
L. Marciani et al., "ECHO-PLANAR IMAGING RELAXOMETRY TO MEASURE THE VISCOSITY OF A MODEL MEAL", Journal of magnetic resonance (San Diego, Calif. 1997 : Print), 135(1), 1998, pp. 82-86

Abstract

A method for measuring noninvasively the viscosity of a polysaccharide model meal using the known relationship between relaxation times andpolysaccharide concentration in solution in vitro is presented. The aim is to develop a method for monitoring digesta viscosity in vivo, using EPI to capture the motion of the gastrointestinal lumen. The transverse relaxation rate T-2(-1) of locust bean gum solutions was calibrated against the zero-sheer viscosity at 37 degrees C. Differences in viscosity were distinguished significantly using T-2(-1) measurements. T-2(-1) and viscosity were insensitive to exposure to gastric juice and changes in pH, and the model meal was well received by volunteers and provided good contrast in vivo, in EPI images. Therefore it would bepossible to use this method to monitor the changes in meal viscosity within the gastric lumen in vivo. (C) 1998 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 18:37:59