Dissolution of acetylsalicylic acid from acetylsalicylic acid-polyethylene glycol 6000 coprecipitates.

AF Asker, CW Whitworth - Die Pharmazie, 1975 - europepmc.org
Investigation of possible enhancement of dissolution of acetylsalicylic acid via coprecipitation
with polyethylene glycol 6000 was carried out. The results indicated that the initial amount …

Effect of certain stabilizers on photobleacing of riboflavin solutions

AF Asker, MJ Habib - Drug Development and Industrial Pharmacy, 1990 - Taylor & Francis
The influence of certain stabilizers on the aerobic photobleaching of buffered riboflavin
phosphate solutions exuosed to fluorescent light was investigated. Disodium ethylenediamine (…

Photodegradation of furosemide solutions

AF Asker, AJ Ferdous - PDA Journal of Pharmaceutical Science …, 1996 - journal.pda.org
Photodegradation of furosemide was studied under the influence of fluorescent and UV lights.
Photodecomposition of furosemide solutions appeared to follow first-order kinetics. The …

Photostabilization of riboflavin by incorporation into liposomes

MJ Habib, AF Asker - PDA Journal of Pharmaceutical Science and …, 1991 - journal.pda.org
The influence of liposomes on the photostabilization of riboflavin in an aqueous formulation
was studied under fluorescent light at various conditions. Liposomal composition, …

Effect of certain additives on photodegradation of tetracycline hydrochloride solutions

AF Asker, MJ Habib - PDA Journal of Pharmaceutical Science and …, 1991 - journal.pda.org
The photostability of tetracycline hydrochloride solutions in the presence of selected
potential stabilizers under various light sources was investigated. Reduced glutathione (GSH) …

Complex formation between metronidazole and sodium urate: Effect on photodegradation of metronidazole

MJ Habib, AF Asker - Pharmaceutical research, 1989 - Springer
… Uric acid and its soluble salts were used by Asker and his associates (3-5) to stabilize
FD&C Blue No. 2 and sulfathiazole solutions against photodegradation. Consequently, sodium …

Some spray‐dried formulations of salfaethylthiadiazole for prolonged‐release medication

AF Asker, CH Becker - Journal of Pharmaceutical Sciences, 1966 - Wiley Online Library
Aqueous and organic solvent solutions containing salfaethylthiadiazole and dissolution‐retarding
materials were spray dried with the purpose of preparing salfaethylthiadiazole in …

Influence of DL-methionine on the photostability of ascorbic acid solutions

AF Asker, D Canady, C Cobb - Drug Development and Industrial …, 1985 - Taylor & Francis
The photostablizing effect of DL-methionine for various buffered solutions of ascrobic acid
was investigated. DL-methionine in a concentration of 10 mg% was found to enhance the …

Influence of certain additives on the photostability of physosticmine sulfate solutions

AF Asker, CW Harris - Drug Development and Industrial Pharmacy, 1988 - Taylor & Francis
Certain chemicals belonging to different groups of pharmaceutical adjuvants such as
antioxidants, chelating agents, tonicity adjustors, photoprotective agents, buffer salts and …

Photostabilization of dacarbazine with reduced glutathione

MS Islam, AF Asker - PDA Journal of Pharmaceutical Science and …, 1994 - journal.pda.org
Reduced glutathione was found to guard against photodecomposition (under fluorescent
light) of the anticancer drug dacarbazine (DTIC). Increase in pH appeared to accelerate the …