The Urinary Excretion of 4-hydroxy-3-methoxy Mandelic Acid in the Elderly

1971 ◽  
Vol 13 (5) ◽  
pp. 257-260 ◽  
Author(s):  
R.H. Fisher
Keyword(s):  
Urinary Excretion ◽  
Mandelic Acid ◽  
The Elderly

scholarly journals Impact of Aging on Urinary Excretion of Iron and Zinc

2014 ◽  
Vol 7 ◽  
pp. NMI.S12977 ◽  
Author(s):  
Karina Pfrimer ◽  
Rutinéia Fátima Micheletto ◽  
Julio Sergio Marchini ◽  
Gilberto João Padovan ◽  
Julio cesar Moriguti ◽  
...  
Keyword(s):  
Urinary Excretion ◽  
Graphite Furnace ◽  
The Elderly ◽  
Atomic Absorption Spectrophotometry ◽  
Elderly Subjects ◽  
Fasting Period ◽  
Younger Adults ◽  
Healthy Elderly ◽  
Iron And Zinc ◽  
Healthy Elderly Subjects

Project Data about the influence of aging on urinary excretion of iron and zinc are scarce. The objective of the present study was to compare the concentration of zinc and iron in the urine of healthy elderly subjects and younger adults. Procedure Seven healthy elderly subjects and seven younger adults were selected and submitted to biochemical, clinical, and nutritional tests. After a fasting period, 12-hour urine was collected for the determination of iron and zinc concentrations by graphite furnace atomic absorption spectrophotometry. Results Urinary zinc and iron concentrations of the elderly subjects were not significantly different from that of younger adults. However, the total zinc and iron urinary clearance in 24 hours for the elderly was significantly higher compared with that of younger adults. Conclusion There is an increase in urinary iron and zinc clearance with aging. The values reported in this manuscript may be used as references in future studies.

Urinary excretion of fluorescent advanced glycation end products (AGEs) in the elderly

2008 ◽  
Vol 12 (3) ◽  
pp. 222-224 ◽  
Author(s):  
M. P. de la Maza ◽  
A. Bravo ◽  
L. Leiva ◽  
V. Gattas ◽  
G. Barrera ◽  
...  
Keyword(s):  
Urinary Excretion ◽  
Advanced Glycation End Products ◽  
The Elderly ◽  
Advanced Glycation ◽  
Glycation End Products ◽  
End Products

Correction

PEDIATRICS ◽  
1963 ◽  
Vol 32 (1) ◽  
pp. 9-9
Keyword(s):  
Respiratory Distress Syndrome ◽  
Respiratory Distress ◽  
Urinary Excretion ◽  
Mandelic Acid ◽  
Distress Syndrome ◽  
Environmental Temperature ◽  
Newborn Infants ◽  
Significant Rise ◽  
Urinary Output ◽  
Significant Fall

In the article entitled The Urinary Excretion of 3-methoxy-4-hydroxy-mandelic Acid (VMA) in Newborn Infants with the Respiratory Distress Syndrome, by J. J. Boehm and D. O'Brien (Pediatrics, 31:861, 1963), an error appears. On page 863 the sentence "Likewise, in 16 infants ages 4 to 9 days, there was a significant rise in the urinary output of VMA when the environmental temperature was raised from 75°F to 85°F." should read: "Likewise, in 16 infants ages 4 to 9 days, there was a significant fall in the urinary output of VMA when the environmental temperature was raised from 75°F to 85°F."

scholarly journals The urinary excretion of mandelic acid administered intravenously to cats

1940 ◽  
Vol 34 (4) ◽  
pp. 490-499 ◽  
Author(s):  
Robert Campbell Garry ◽  
Isobel Agnes Smith
Keyword(s):  
Urinary Excretion ◽  
Mandelic Acid

Cyanocobalamin absorption in the elderly: results for healthy subjects and for subjects with low serum cobalamin concentration.

1986 ◽  
Vol 32 (7) ◽  
pp. 1368-1371 ◽  
Author(s):  
H Nilsson-Ehle ◽  
R Jagenburg ◽  
S Landahl ◽  
G Lindstedt ◽  
B Swolin ◽  
...  
Keyword(s):  
Urinary Excretion ◽  
Intestinal Absorption ◽  
Healthy Subjects ◽  
Serum Gastrin ◽  
Test Dose ◽  
Reference Interval ◽  
The Elderly ◽  
Pepsinogen I ◽  
Bound Test ◽  
Low Serum

Abstract We examined the intestinal absorption of cyano[57Co]cobalamin from a non-protein-bound test dose given to 38 subjects from a population of elderly. The subjects were 76 years old and were apparently free from conditions known to affect cyanocobalamin absorption. Their gastric mucosal function was normal, as judged from determinations of serum gastrin and pepsinogen I. The urinary excretion of radioactivity during the first 24 h was 24(SD 7)%, range 8.6 to 45.2%, corresponding to a health-associated reference interval of 10 to 38%. The results indicate that cyanocobalamin absorption does not decline during normal aging. Duplicate studies were performed in another 20 subjects (70-81 years old) from the same population study; these subjects had a serum cobalamin concentration less than 130 pmol/L. The imprecision (CV) was 23%.

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