[PDF][PDF] The diagnostic value of seminal α-glucosidase enzyme index for sperm motility and fertilizing capacity

DA Yassa, WK Idriss, ME Atassi, SK Rao - Saudi Med J, 2001 - Citeseer
07a-glucosidase - 20010075 Page 1 he epididymis is believed to provide a favorable milieu
for spermatozoa to attain maturity and fertilizing ability.The epididymal maturity also …

A simplified colorimetric method for the determination of ascorbic acid in pure solutions and in pharmaceutical preparations

N Wahba, DA Yassa, RS Labib - Analyst, 1974 - pubs.rsc.org
A precise and specific method for the determination of L-ascorbic acid in the presence of
dehydro-L-ascorbic acid and 2,3-diketo-L-gulonic acid has been developed. The method is …

Determination of nicotinamide in some injections of B-complex vitamins by thin-layer chromatography

SA Ismaiel, DA Yassa - Analyst, 1973 - pubs.rsc.org
Nicotinamide in some injections of B-complex vitamins can be separated on a thin layer of
silica gel G by using a solvent mixture of ethanol (98 per cent.)-chloroform (25 + 60 V/V), …

A quantitative thin-layer chromatographic method for the determination of riboflavine in pharmaceutical preparations

SA Ismaiel, DA Yassa - Analyst, 1973 - pubs.rsc.org
A precise and simple method for the determination of riboflavine has been developed. The
method is based on the chromatographic separation of riboflavine by using a thin layer of …

Determination of thiamine in pharmaceutical preparations by thin-layer chromatography

SA Ismaiel, DA Yassa - Analyst, 1973 - pubs.rsc.org
Thin-layer chromatography has been applied to the selective determination of thiamine in
pharmaceutical preparations as it enables the thiamine to be separated from its decomposition …

Specific determination of testosterone in oily injections

E Fahmy, DA Yassa, N Wahba - Analyst, 1976 - pubs.rsc.org
Multi-stage extraction from a solution of testosterone oily injection in heptane with 85%
ethanol yields a hormone extract in which testosterone can be specifically determined by …

Studies on a specific colour reaction for the determination of testosterone

E Fahmy, DA Yassa, N Wahba - Analyst, 1974 - pubs.rsc.org
The chromogen resulting from preliminary treatment of testosterone with concentrated sulphuric
acid gives a stable green colour on further treatment with a saturated aqueous solution …

[CITATION][C] Sepctrophotometric determination of menadione bisulphite

SA Ismaiel, DA Yassa - Die Pharmazie, 1975 - pubmed.ncbi.nlm.nih.gov
… SA Ismaiel, DA Yassa

THE ANALYTICAL

LCJR Salmon, PR Wood, A Yassa, N Wahba - Analyst, 1976 - pubs.rsc.org
… Specific Determination of Testosterone in Oily Injections-Emil Fahmy, Dawoud A. Yassa
and Nagi Wahba …

[HTML][HTML] Understanding development of malnutrition in hemodialysis patients: a narrative review

…, BH Khor, HM Ng, AH Abdul Gafor, ZA Mat Daud… - Nutrients, 2020 - mdpi.com
Hemodialysis (HD) majorly represents the global treatment option for patients with chronic
kidney disease stage 5, and, despite advances in dialysis technology, these patients face a …