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Keywords: nitrogen
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Articles
Clin Sci (Lond) (1999) 97 (5): 547–555.
Published: 28 September 1999
... microflora in normal individuals. amino acids colon nitrogen protein stable isotopes urea The Biochemical Society and the Medical Research Society © 1999 1999 5 3 1999 4 6 1999 22 7 1999 Correspondence : Professor Alan A. Jackson (e-mail iohn@soton.ac.uk...
Articles
Clin Sci (Lond) (1993) 84 (5): 543–548.
Published: 01 May 1993
...P. Darling; L. J. Wykes; R. Clarke; A. Papageorgiou; P. B. Pencharz 1. The effects of increasing non-protein nitrogen intake on nitrogen balance and α-amino nitrogen flux rate using [ 15 N]glycine were examined in 30 low-birthweight appropriate-for-gestational-age infants (birthweight 1.5-2.0 kg...
Articles
Clin Sci (Lond) (1992) 83 (1): 103–108.
Published: 01 July 1992
... intake, with 60% of the urea produced being excreted in the urine and 40% being salvaged in the colon; 69% of the salvaged nitrogen was retained in the metabolic nitrogen pool. 3. Nitrogen balance was not maintained on 30 g of protein/day. There was a significant decrease in the urea production rate (123...
Articles
Clin Sci (Lond) (1992) 82 (2): 191–198.
Published: 01 February 1992
... supplemented with non-starch polysaccharides in the form of ispaghula husk or ripe bananas. 2. On the 70 g of protein/day diet urea production was 132% of intake. Only 54% of the urea produced was excreted in the urine with 46% being salvaged in the colon; 90% of the salvaged nitrogen was retained in the...
Articles
Clin Sci (Lond) (1990) 79 (3): 253–258.
Published: 01 September 1990
... hydrolysed in the functioning colon. A large proportion of the nitrogen released by urea hydrolysis may be retained within the metabolic nitrogen pool of the host. There are significant differences in the handling of urea nitrogen in the defunctioned colon relative to the functioning colon. colonic...
Articles
Clin Sci (Lond) (1988) 75 (5): 499–502.
Published: 01 November 1988
...A. W. Johnson; J. M. Berrington; I. Walker; A. Manning; M. S. Losowsky 1. The measurement of the intestinal metabolism of the nitrogen moiety of glutamic acid has been investigated by oral ingestion of l -[ 15 N]glutamic acid and sampling of arterialized blood. 2. Measurements have been made in six...
Articles
Clin Sci (Lond) (1985) 68 (3): 349–355.
Published: 01 March 1985
...T. Preston; P. J. Reeds; B. W. East; P. H. Holmes 1. Total body nitrogen (TBN) was determined in 16 rat carcasses ranging in weight from 55 to 550 g, by non-destructive 14 MeV neutron activation analysis (NAA). 2. The rat carcasses were subsequently analysed for TBN by Kjeldahl digestion, for total...
Articles
Clin Sci (Lond) (1984) 67 (1): 73–82.
Published: 01 July 1984
...H. M. James; J. T. Dabek; D. R. Chettle; P. W. Dykes; J. H. Fremlin; J. Hardwicke; B. J. Thomas; D. Vartsky 1. The classical literature shows that wasting of body protein takes place mainly from the cellular compartment leaving high proportions of extracellular collagen. Whole body nitrogen (WBN...
Articles
Clin Sci (Lond) (1983) 64 (6): 629–635.
Published: 01 June 1983
... safe marker of the completeness of 24 h urine collections. Any collection containing less than 205 out of 240 mg (85%) of PAB, given as 80 mg with each of three meals, is probably incomplete. Key words: p-aminobenzoic acid, creatinine, dietary surveys, markers, metabolic studies, nitrogen, protein...
Articles
Clin Sci (Lond) (1982) 62 (3): 299–305.
Published: 01 March 1982
... turnover, measured from the urinary [ 15 N]ammonia enrichment, was 30.3 ± 7.7 g of N/day (2.8 g of protein day −1 kg −1 ). 1 5 1981 13 10 1981 © 1982 The Biochemical Society and the Medical Research Society 1982 ammonia ammoniagenesis glutamine nitrogen protein turnover...
Articles
Clin Sci (Lond) (1980) 58 (6): 507–515.
Published: 01 June 1980
... concentrations of metabolites and hormones in blood and urine nitrogen excretion in patients receiving (a) sodium chloride solution (saline), (b) 1.5 g of glucose day −1 kg −1 body weight, (c) 1.5 g of glucose day −1 kg −1 with insulin (0.56 unit day −1 kg −1 ) or (d) mixed amino acids (1.5 g day −1 kg −1...
Articles
Clin Sci Mol Med (1978) 54 (2): 187–191.
Published: 01 February 1978
..., calcium, phosphorus and nitrogen. 2. There was a highly significant correlation between total body sodium measured by activation analysis and total exchangeable sodium measured by a standard isotope-dilution technique ( r = 0·92, P < 0·001). Exchangeable sodium averaged 80·3% of total body sodium. 3...
Articles
Clin Sci Mol Med (1977) 53 (3): 277–288.
Published: 01 September 1977
... reduced in the elderly, compared with younger subjects. 26 10 1976 5 5 1977 © 1977 The Biochemical Society and the Medical Research Society 1977 geriatrics glycine leucine nitrogen protein turnover Clinical Science and Molecular Medicine (1977) 53,277-288. Total protein...
Articles
Clin Sci Mol Med (1977) 53 (3): 215–220.
Published: 01 September 1977
...D. G. Sapir; T. Pozefsky; J. P. Knochel; M. Walser 1. Administration of dexamethasone, 8 mg/day (0·02 mmol/day), for 5 days to normal subjects produced negative nitrogen balance, due to early and sustained increases in urinary urea nitrogen excretion. 2. In eight subjects ingesting 0·9–1·6 g of...
Articles
Clin Sci Mol Med (1976) 51 (4): 399–402.
Published: 01 October 1976
...K. Boddy; R. Lindsay; I. Holloway; D. A. S. Smith; A. Elliott; I. Robertson; D. Glaros 1. A method of measuring changes in the total body content of calcium, phosphorus, nitrogen and sodium in rats by activation analysis in vivo is described. 2. The change in the body content of the elements has...
Articles
Clin Sci Mol Med (1975) 48 (1): 39–45.
Published: 01 January 1975
...G. W. Bradley; A. K. Henderson; R. J. Mills 1. The cardiogenic oscillations in the concentration of nitrogen and argon in expired gas, which are seen after the inspiration from residual volume of pure oxygen or a bolus of argon, have been studied in normal subjects and in patients with atrial...