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Naik, H. S. Bhojya and Siddaramaiah and Ramappa, P. G. (1999) Thermogravimetric analysis of cobalt(II)-dothiepin complexes. Journal of Thermal Analysis and Calorimetry, 55 (3). pp. 841-849.
Ramappa, P. G. (1999) Biologically active metal complexes with phenothiazines and related ligands: a review. Journal of the Indian Chemical Society, 76 (5). pp. 235-238.
Revanasiddappa, H. D. and Manju, B. and Ramappa, P. G. (1999) Spectrophotometric method for the determination of ritodrine hydrochloride and amoxicillin. Analytical Sciences, 15 (7). pp. 661-664.
Shanmukhappa, S. and Ramappa, P. G. (1997) Synthesis, spectral, magnetic, thermal and antibacterial properties of metal complexes of isothipendyl. Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 27 (7). pp. 967-983. ISSN 0094-5714
Lokanath, N. K. and Sridhar, M. A. and Shashidhara Prasad, J. and Naik, H. S. Bhojya and Ramappa, P. G. (1997) Crystal structure of 3-(6H-dibenzob,e]thiepin-11-ylidene)propyl-dimethylamine hydrochloridecobalt chloride complex, C38H38Cl4CoN2S2. Zeitschrift für Kristallographie - New Crystal Structures, 212 (1). pp. 15-16.
Naik, H. S. Bhojya and Ramappa, P. G. (1997) Kinetic and thermal stability of cobalt(II)-imipramine complexes. Asian Journal of Chemistry,, 9 (1). pp. 63-65.
Shanmukhappa, S. and Siddaramiah and Ramappa, P. G. (1997) Thermoanalytical and spectral characterization of cadmium(II) complexes of propantheline bromide. Asian Journal of Chemistry, 9 (4). pp. 715-721.
Naik, H. S. Bhojya and Siddaramaiah and Ramappa, P. G. (1996) Thermal degradation kinetics of cobalt(II)-doxepin complexes. Thermochimica Acta, 287 (2). pp. 279-286.
Revanasiddappa, H. D. and Ramappa, P. G. (1996) Spectrophotometric determinations of some phenothiazine drugs. Talanta, 43 (8). pp. 1291-1296.
Najk, H. S. B. and Ramappa, P. G. (1996) Isolation, characterization and antimicrobial activity of imipramine-cobalt(II) complexes. Asian Journal of Chemistry, 8 (4). pp. 644-648.
Shanmukhappa, S. and Ramappa, P. G. (1996) Synthesis, spectral, thermal studies and antimicrobial activity of cobalt(II) complexes of propantheline bromide. Asian Journal of Chemistry, 8 (4). pp. 655-664.
Somasekharappa, K. G. and Ramappa, P. G. (1995) Extraction-Spectrophotometric Determination of Bismuth(Iii) in Woods Alloy Through Complexation of Hexa-Iodobismuthate and Prochlorperazine Mesylate. Asian Journal of Chemistry, 7 (3). pp. 510-512.
Naik, N. and Ramappa, P. G. (1995) Structural and Antimicrobial Studies of Some Newly Synthesised Complexes of Cobalt (II) of Bioinorganic Relevance. Asian Journal of Chemistry, 7 (4). pp. 860-868.
Ramappa, P. G. and Somasekharappa, K. G. (1994) Structure and antimicrobial activity of some new diphenylpyraline complexes of iron(III) chloride, nitrate, sulphate, and thiocyanate. Journal of Inorganic Biochemistry, 55 (1). pp. 13-20.
Ramappa, P. G. and Somasekharappa, K. G. (1994) Synthesis, Characterization and Antimicrobial Activity of Palladium(Ii) Complexes of Diphenylpyraline and Isothipendyl. Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical & Analytical Chemistry, 33 (1). pp. 66-68. ISSN 0376-4710
Sridhar, M. A. and Indira, A. and Bellad, S. B. and Babu, A. M. and Abdoh, M. M. M. and Shashidhara Prasad, J. and Ramappa, P. G. and Somasekharappa, K. G. (1994) Crystal-Structure of Diphenyl Pyraline Hydrochloride Cobalt Chloride Complex. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 250 (1). pp. 285-291.
Ramappa, P. G. and Somasekharappa, K. G. (1992) Synthesis and Characterization of Cobalt(II) Complexes with Diphenyl Pyraline Hydrochloride. Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 22 (9). pp. 1267-1282.
Bellad, S. B. and Sridhar, M. A. and Babu, A. M. and Indira, A. and Shashidhara Prasad, J. and Ramappa, P. G. and Nagendrappa, G. (1992) Crystal structure of lignocaine hydrochloride – platinum complex. Zeitschrift Fur Kristallographie, 202 (1-2). pp. 33-39.
Sridhar, M. A. and Babu, A. M. and Indira, A. and Bellad, S. B. and Shashidhara Prasad, J. and Ramappa, P. G. and Nagendrappa, G. (1992) Crystal structure of lignocaine tetrachlorocuprate, (C14H22N2O)2 (CuCl4). Zeitschrift Fur Kristallographie, 202 (3-4). pp. 292-295.
Ramappa, P. G. and Manjappa, S. (1989) Extraction and spectrophotometric determination of iron in steels and hematite ore using thiocyanate and chlorpromazine. Current Science, 58 (14). pp. 797-798.
Ramappa, P. G. and Basavaiah, K. (1985) Spectrophotometric assay of some tranquillizers in pure and dosage forms. Indian Journal of Pharmaceutical Sciences, 47 (3). pp. 125-127. ISSN 0250-474X
Ramappa, P. G. (1984) Analysis of psychoactive phenothiazine drugs. Indian Journal of Hospital Pharmacy, 21 (5). pp. 208-214. ISSN 0019526X
Nayak, A. and Ramappa, P. G. and Yathirajan, H. S. and Subrahmanya (1982) Chloramine-T as a titrant for the determination of some selected antibiotics. Acta pharmaceutica Hungarica, 52 (3). p. 102. ISSN 0001-6659
Nayak, A. N. and Ramappa, P. G. and Yathirajan, H. S. (1982) Determination of Phenothiazine-derivatives of Pharmaceutical importance by extraction Spectrophotometric method. Anales De Quimica Serie C-Quimica Organica Y Bioquimica, 72 (1). pp. 86-88.
Nayak, A. N. and Ramappa, P. G. and Yathirajan, H. S. and Manjappa, S. (1982) Microdetermination of niobium (V) with imipramine hydrochloride. Acta chimica Hungarica, 111 (2). pp. 233-238.
Nayak, Anant N. and Ramappa, P. G. and Yathirajan, H. S. and Manjappa, S. (1982) Spectrophotometric determination of microgram amounts of penicillins by solvent extraction with azure b. Analytica Chimica Acta, 134. 411 - 415. ISSN 0003-2670
Nayak, Anant N. and Manjappa, S. and Ramappa, P. G. and Yathirajan, H. S. (1981) Improvement of the extractionspectrophotometric thiocyanate method for the determination of rhenium by addition of imipramine. Fresenius' Zeitschrift für analytische Chemie, 309 (5). p. 396. ISSN 1432-1130
Nayak, A. N. and Ramappa, P. G. and Yathirajan, H. S. and Subrahmanya, U. (1981) Extractive Spectrophotometric Determination of N-Substituted Phenothiazines In Pharmaceutical Preparations With Alizarin Red-S. Annali Di Chimica, 71 (11). pp. 721-727.
Sanke Gowda, H. and Ramappa, P. G. and Nayak, A. N. (1979) Rapid spectrophotometric determination of phenothiazines with molybdophosphoric acid. Analytica chimica acta, 108 (C). pp. 277-283. ISSN 0003-2670
Ramappa, P. G. and Sanke Gowda, H. and Nayak, A. N. (1979) Rapid spectrophotometric determination of phenothiazines with silicotungstic acid. Fresenius' zeitschrift für analytische chemie, 298 (2-3). p. 160. ISSN 0016-1152
Ramappa, P. G. and Sanke Gowda, H. (1978) Spectrophotometric determination of saccharin in soft drinks using chlorophenothiazine as reagent. Fresenius' Zeitschrift für Analytische Chemie, 292 (5). p. 413. ISSN 0016-1152
