Use of polyethylene glycol and phenol red as unabsorbed indicators for intestinal absorption studies in man.
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چکیده
منابع مشابه
The Site of Absorption of Co58-labeled Vitamin B12 in Man. an Investigation Made by Intestinal Intubation with Polyethylene Glycol as a Marker Substance.
U NTIL RECENT YEARS it was believed that the absorption of vitamin B12 fl man tOok place in the upper and middle portions of the small intestine.4’7’8 However, studies in animals, especially dogs, have revealed that considerable absorption takes place in the ileum, whereas it is negligible in the proximal small intestine2’10 unless very large doses are given. ’15 Clinical observations in patien...
متن کاملEffect of aspirin on intestinal absorption of glucose, sodium, and water in man.
The effect of aspirin on small intestinal function in six healthy volunteers was examined using a segmental perfusion technique, with a test solution of 40 mM D-glucose, 140 mM NaCl, and 0-5% polyethylene glycol. Jejunal glucose, sodium, and water absorption rates were inhibited by 50% after oral administration of 2-6 g aspirin. Adenosine triphosphate (ATP) concentration was assayed in jejunal ...
متن کاملExperience with the chromic oxide method of fecal marking in metabolic balance investigations on humans.
In metabolic balance studies the assessment of the subject's state of balance is derived from estimates of the dietary intake and the excretion in the urine and feces of the constituent under investigation. It is relatively simple to measure the dietary and urinary components, but estimation of the fecal component is more liable to error because of difficulties in secturing a quantitative fecal...
متن کاملEffect of Polyethylene Glycol and Senna Bowel Preparation in Dogs on Some Hematological and Serum Biochemical Parameters
Background: Colonoscopy is the preferred procedure for diagnosis of large-bowel diseases in dogs. Polyethylene glycol (PEG) is the most commonly used laxative for colonic cleansing. Senna has been used in traditional medicine as a laxative and an aid to treat constipation. OBJECTIVES: The aim of this study was to evaluate the safety of senna as an alternative or adjunct to polyethylene glycol s...
متن کاملHuman plasma derived drugs separation by fractionation of plasma with polyethylene glycol
Background: There are varieties of purification techniques for separation of human plasma proteins such as salting out, ion exchange chromatography, and ethanol fractionation. There are limitations for each method, for example in salting out method, the salt has to be removed in an additional step. Ion exchange chromatography is difficult for scaling up, and plasma fractionation is a time consu...
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ورودعنوان ژورنال:
- Gut
دوره 7 2 شماره
صفحات -
تاریخ انتشار 1966