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| Colorimetric determination of ibuprofen in tablets.
YK Agarwal, S Patel
January-February 1990, 52(1):34-35A simple extraction and colorimetric method for the determination of ibuprofen in its dosage form based on the conversion of carboxylic acid into an acid chloride and its coupling with hydroxylamine to get hydroxamic acid which forms a violet coloured complex with vandium in acidic medium is described. |
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| High performance liquid chromatographic determination of oxymetazoline hydrochloride from nasal drops.
RT Sane, LS Joshi, KD Ladage, RM Kothurkar, VR Bhate
January-February 1990, 52(1):38-39A reversed-phase HPLC assay procedure for the determination of oxymetazoline hydrochloride and its dosage forms is described. The compound was chromatographed on a C18 column using a mobile phase consisting of methanol: acentonitrile: water : diethylamine (45:20:35:0.3). The low values of standard deviation and coefficient of variation indicate good precision of the proposed method. The percentage recovery being 100 +/- 2 percent indicates non-interference from other excipients present in the formulations. |
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| Starch from musa paradisica.
C Gadgoli, CI Jolly
January-February 1990, 52(1):36-38Starch was extracted from unripe pulp of fruit musa paradisiaca Linn (Musaccae). Its properties were studied in comparision with Maize starch I.P. and found to be qualitatively and quantitatively comparable. |
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| Catharanthus roseus cell cultures : growth and alkaloid production.
DP Fulzele, AT Sipahimalani, MR Heble
January-February 1990, 52(1):19-22 Full text not available |
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| CNS activity and synthesis of some 4 (3H)- quinazolinones.
R Lakhan, RL Singh
January-February 1990, 52(1):1-4Synthesis are described for a series of 2-carboylmethylthio and 2-[w. (diamethylaminoalkyl) thio]-3-alkyl (or aryl)-4 (3H)-qinazolinones (I) as the key intermediates. Twelve of the synthetic compounds were tested for their CNS activities in mice and shown to be either CNS depressants of stimulants. |
| 624 | 0 | - |
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| Effect of sodium azide on pharmaceutically active flavonoids in trigonella species.
SC Jain, M Agrawal
January-February 1990, 52(1):17-19Seeds of T. foenum-graecum and T. corniculata were treated with sodium azide, germinated and harvested (seeds of M1 and M2 generations) to study their flavonoid contents. The total flavonoid contents (free and bound) increased in both the plant species to their maximum at 0.0001M concentration and decreased at 0.001M of NaN3 as compared to the control in both M1 and M2 generations. |
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| High performance liquid chromatographic determination of sulphamethoxypyridazine and pyrimethamine in dosage forms.
GR Rao, PJ Rao, I RK Raju, S SN Murthy
January-February 1990, 52(1):29-31An HPLC method of estimation of sulphamethoxypyyridazine and pyrimethamine in dosage form using a u Bondapak phenyl column and mobile phase consisting of mixture of sodium acetate 0.0005 M in methanol (pH 3.0) and water in the ratio 95:5 is described; sulphanlic acid is chosen as internal standard and eluates monitored at 254 nm. |
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| Studies on the preparation and evaluation of solvent deposited systems of piroxicam.
K PR Chowdary, P Madhusudhan
January-February 1990, 52(1):32-33Solvent deposited (SD) systems of piroxicam using five excipients showed marked increase in the dissolution rate. Capsule formulations based on SD systems with MCC and silicagel with usual additives gave fast and rapid dissolution fulfilling the USP XXI dissolution requirement. |
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| A simple high performance liquid chromatographic method for estimation of centbutindole.
JK Paliwal, RC Gupta, PK Grover
January-February 1990, 52(1):22-25HPLC method is described to quantitative centbutindole, in tablet formulations. The drug was seprated on nitrile column with acetonitrile-phosphate buffer system and quantitated by UV detector at 220 nm. The method is reliable with no interference from the expients. |
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| Synthesis of 1-aroyl/aryloxyacetyl-2-(9'-acridinyl) hydrazines as potential antifungal agents.
RK Mishra, RK Tiwari, SK Srivastava, SC Bahel
January-February 1990, 52(1):25-28Forty four new 1-aroyl/aryloxyacetyl 2-(9'-acridinyl) hydrazines have been synthesized. Some of them have been screened for their antifungal activity against A. niger and H. oryzae. |
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