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Akademický článek

Profile of retinal vasculitis in a tertiary eye care center in Eastern India

Autor: Kumar Saurabh, Radha R Das, Jyotirmay Biswas, Amitabh Kumar

Publikováno v: Indian Journal of Ophthalmology, Vol 59, Iss 4, Pp 297-301 (2011)

Aims: To provide a fact file on the etiology, clinical presentations and management of retinal vasculitis in Eastern India. Materials and Methods: Retrospective, record based analysis of retinal vasculitis cases in a tertiary care center in Eastern I

Externí odkaz: https://doaj.org/article/ce0f72dea32d4bbc9658ad950dd36f26

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Profile of retinal vasculitis in a tertiary eye care center in Eastern India

Autor: Jyotirmay Biswas, Radha R. Das, Kumar Saurabh, Amitabh Kumar

Publikováno v: Indian Journal of Ophthalmology
Indian Journal of Ophthalmology, Vol 59, Iss 4, Pp 297-301 (2011)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f18b4015d2d78ac9310891c6569d845
https://pubmed.ncbi.nlm.nih.gov/23619483

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Absorption and emission spectral studies on the dimerization of free porphyrin and its zinc(II), copper(II) and nickel(II) derivatives in aqueous solution

Autor: Radha R. Das

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 37:153-157

Spectrophotometric absorption and fluorescence emission studies have been carried out on a water soluble ethylenediamine substituted protoporphyrin and its complexes with zinc, copper and nickel for a wide range of the porphyrin concentration and tem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80475f302b9800c32b2ce0a806cbf526
https://doi.org/10.1016/0022-1902(75)80143-6

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Effect of imidazole substitution on the dimerization reaction of manganese(III) porphyrin in aqueous environments: Temperature jump study

Autor: Radha R. Das, B.S. Prabhananda

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 41:1615-1620

Equilibrium constants for ligand binding and rate constants for a dimerization reaction in the presence of the ligand imidazole were determined for the manganese(III) porphyrin in 0.1M KNO3. Imidazole binds to the manganese porphyrin in stepwise equi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::78f3efd5937bf18d57f9b6925e304742
https://doi.org/10.1016/0022-1902(79)80192-x

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Kinetics of exchange reactions of manganese(II) porphyrin with zinc and cobalt in alkaline environments

Autor: K.N. Rao, Radha R. Das

Publikováno v: Inorganica Chimica Acta. 42:227-231

The formation of manganese(II) porphyrin in aqueous environments is described. Kinetics of the exchange reaction of manganese(II) porphyrin with zinc and cobalt are reported in the ammoniacal medium. For the zinc reaction Zn 2+ and ZnNH 2+ 3 contr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38389b530bd9c2964142f6403847b2dc
https://doi.org/10.1016/s0020-1693(00)88917-3

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Kinetics of exchange of aluminium ethylenediaminetetraacetate with iron(III), nickel(II) and cobalt(II)

Autor: T.R. Bhat, Radha R. Das, J. Shankar

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 30:1691-1698

The kinetics of exchange in Al(EDTA) with different cations like Fe3+, Co2+ and Ni2+ has been studied by measuring the optical absorbance of the system using a Beckman DU Spectrophotometer. The reactions follow first order kinetics. The energy of act

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::534378d7aa1826aa4028a140f66490fe
https://doi.org/10.1016/0022-1902(68)80340-9

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Kinetics of formation and displacement of metalloporphyrin in aqueous solutions

Autor: Radha R. Das

Publikováno v: Journal of Inorganic and Nuclear Chemistry. 34:1263-1269

The kinetics of incorporation of copper into the water soluble porphyrin, obtained by the addition of four molecules of ethylene diamine into protoporphyrin IX dimethyl ester, is studied. For copper ion concentrations comparable to that of the porphy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::343fbd19f6cdfe3c4a72118b1e944592
https://doi.org/10.1016/0022-1902(72)80327-0

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Kinetics and Mechanisms of Exchange Reactions. In (III) Ethylenediaminetetraacetate-Fe3+ and Ga (III) Ethylenediaminetetraacetate-Fe3+ Systems

Autor: RADHA R. DAS

Bhabha Atomic Research Centre, Chemistry Division, Trombay, Bombay-85. Manuscript received 25 April, 1974; accepted 21 May, 1974. Kinetic data for the metal complex-metal exchange reactions involving In (III) ethylenediarninetetraacetate (In EDTA, In

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1db9533e4a6aee62d6d62d38b7c66826

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