Items where Author is "Uma, S."

Article

Uma, S. ; Jadhav, R. S. ; Seshu Kumar, G. ; Shivaji, S. ; Ray, M. K. (1999) A RNA polymerase with transcriptional activity at 0°C from the Antarctic bacterium Pseudomonas syringae FEBS Letters, 453 (3). pp. 313-317. ISSN 0014-5793

Ramesha, K. ; Uma, S. ; Vasanthacharya, N. Y. ; Gopalakrishnan, J. (1997) New La₂CuO₄ derivatives La_2-2xSr_2xCu_1-xM_xO₄(M=Ti,Mn,Fe,or Ru): a study of linear Cu-O-M electronic interaction in two dimensions Journal of Solid State Chemistry, 128 (2). pp. 169-175. ISSN 0022-4596

Uma, S. ; Das, Puspendu Kumar (1996) Production of I∗(²P_½) in the ultraviolet photodissociation of α-branched alkyl iodides Journal of Chemical Physics, 104 (12). pp. 4470-4474. ISSN 0021-9606

Uma, S. ; Gopalakrishnan, J. (1995) Polymerization of aniline in layered perovskites Materials Science and Engineering B, 34 (2-3). pp. 175-179. ISSN 0921-5107

Uma, S. ; Das, Puspendu Kumar (1995) I^∗ production from n-alkyl iodides at 222 nm Chemical Physics Letters, 241 (4). pp. 335-338. ISSN 0009-2614

Gopalakrishnan, J. ; Uma, S. ; Vasanthacharya, N. Y. ; Subbanna, G. N. (1995) Slicing the perovskite structure into layers: synthesis of novel three-dimensional and layered perovskite oxides, ALaSrNb₂M^IIO₉ (A= Na, Cs) Journal of the American Chemical Society, 117 (8). pp. 2353-2354. ISSN 0002-7863

Ismail, J. ; Ahmed, M. F. ; Vishnu Kamath, P. ; Subbanna, G. N. ; Uma, S. ; Gopalakrishnan, J. (1995) Organic additive-mediated synthesis of novel cobalt(II) hydroxides Journal of Solid State Chemistry, 114 (2). pp. 550-555. ISSN 0022-4596

Uma, S. ; Gopalakrishnan, J. (1994) Synthesis of anion-deficient layered perovskites, ACa₂Nb_3-xM_xO_10-x (A = Rb, Cs; M = Al, Fe), exhibiting ion-exchange and intercalation. Evidence for the formation of layered brownmillerites, ACa₂Nb₂AlO₉ (A = Cs, H) Chemistry of Materials, 6 (7). pp. 907-912. ISSN 0897-4756

Gopalakrishnan, J. ; Uma, S. ; Kasthuri Rangan, K. ; Bhuvanesh, N. S. P. (1994) Soft-chemical routes to synthesis of solid oxide materials Proceedings of the Indian Academy of Sciences - Chemical Sciences, 106 (3). pp. 609-619. ISSN 0253-4134

Uma, S. ; Das, Puspendu Kumar (1993) Photodissociation dynamics of small molecules: dissociation of alkyl iodides in the near ultraviolet Current Science, 65 (4). pp. 307-312. ISSN 0011-3891

Uma, S. ; Gopalakrishnan, J. (1993) Synthesis of novel oxide pyrochlores, A₂BB'O₇ (A = La, Nd; BB' = Pb, Sn, Bi), by alkali melt route Journal of Solid State Chemistry, 105 (2). pp. 595-598. ISSN 0022-4596

Uma, S. ; Das, Puspendu Kumar (1993) Dynamics of I^∗(²P_½)production in the ultraviolet photodissociation of alkyl iodides Canadian Journal of Chemistry, 72 . pp. 867-869. ISSN 0008-4042

Uma, S. ; Gopalakrishnan, J. (1993) K_1-xLa_xCa_2-xNb₃O₁₀,a layered perovskite series with variable interlayer cation density, and LaCaNb₃O₁₀, a novel layered perovskite oxide with no interlayer Journal of Solid State Chemistry, 102 (2). pp. 332-339. ISSN 0022-4596

Gopalakrishnan, J. ; Uma, S. ; Bhat, V. (1993) Synthesis of layered perovskite oxides, ACa_2-xLa_xNb_3-xTi_xO₁₀ (A = K, Rb, Cs), and characterization of new solid acids, HCa_2-xLa_xNb_3-xTi_xO₁₀ (0 < x ≤ 2) exhibiting variable bronsted acidity Chemistry of Materials, 5 (1). pp. 132-136. ISSN 0897-4756

Uma, S. ; Gopalakrishnan, J. (1992) A₂MoTiO_7-x(A = rare earth or Y) : a new series of oxide pyrochlores prepared by topochemical reduction of A₂MoTiO₈ scheelites Journal of Alloys and Compounds, 184 (2). pp. 343-349. ISSN 0925-8388