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Results: 1-25/29
Authors:
Silva, RB
Gushikem, Y
Collins, CH
Citation: Rb. Silva et al., Synthesis, characterization, and chromatographic evaluation of titanium tetrabutoxide-modified silica as a support for HPLC-RP separations in alkaline mobile phases, J SEP SCI, 24(1), 2001, pp. 49-54
Authors:
Pessoa, CA
Gushikem, Y
Citation: Ca. Pessoa et Y. Gushikem, Cobalt porphyrins immobilized on niobium(V) oxide grafted on a silica gel surface: study of the catalytic reduction of dissolved dioxygen, J PORPHYR P, 5(6), 2001, pp. 537-544
Authors:
Castellani, AM
Goncalves, JE
Gushikem, Y
Citation: Am. Castellani et al., Study of the preparation and electrochemical properties of cobalt(II) methyl pyridyl porphyrin adsorbed on the SiO2/TiO2/Sb2O5 matrix prepared by sol-gel method, ELECTROANAL, 13(14), 2001, pp. 1165-1169
Authors:
Fujiwara, ST
Gushikem, Y
Alfaya, RVS
Citation: St. Fujiwara et al., Adsorption of FeCl3, CuCl2 and ZnCl2 on silsesquioxane 3-n-propylpyridiniumchloride polymer film adsorbed on Al2O3 coated silica gel, COLL SURF A, 178(1-3), 2001, pp. 135-141
Authors:
Goncalves, JE
Castro, SC
Ramos, AY
Alves, MCM
Gushikem, Y
Citation: Je. Goncalves et al., X-ray absorption and XPS study of titanium mixed oxides synthesized by thesol-gel method, J ELEC SPEC, 114, 2001, pp. 307-311
Authors:
Gushikem, Y
Rosatto, SS
Citation: Y. Gushikem et Ss. Rosatto, Metal oxide thin films grafted on silica gel surfaces: Recent advances on the analytical application of these materials, J BRAZ CHEM, 12(6), 2001, pp. 695-705
Authors:
Do Carmo, DR
Franco, DW
Rodrigues, UP
Gushikem, Y
Stadler, E
Drago, V
Citation: Dr. Do Carmo et al., The cyanide photoisomerization in zinc hexacyanoferrate (II) supported on titanium dioxide-silica gel composite: A matrix effect, J COORD CH, 54(3-4), 2001, pp. 455-468
Authors:
Pavan, FA
Franken, L
Moreira, CA
Costa, TMH
Benvenutti, EV
Gushikem, Y
Citation: Fa. Pavan et al., Synthesis of a thermally stable silica/p-anisidine sol-gel powdered material, J COLL I SC, 241(2), 2001, pp. 413-416
Authors:
Pessoa, CA
Gushikem, Y
Kubota, LT
Citation: Ca. Pessoa et al., Ferrocenecarboxylic acid adsorbed on Nb2O5 film grafted on a SiO2 surface:NADH oxidation study, ELECTR ACT, 46(16), 2001, pp. 2499-2505
Authors:
Ferreira, CU
Gushikem, Y
Kubota, LT
Citation: Cu. Ferreira et al., Electrochemical properties of Meldola's Blue immobilized on silica-titaniaphosphate prepared by the sol-gel method, J SOL ST EL, 4(5), 2000, pp. 298-303
Authors:
Alfaya, AAS
Gushikem, Y
de Castro, SC
Citation: Aas. Alfaya et al., Silica-zirconia-phosphate composites: a study of their synthesis, proton exchange capacity and ammonia gas adsorption, MICROP M M, 39(1-2), 2000, pp. 57-65
Authors:
Lazarin, AM
Gushikem, Y
de Castro, SC
Citation: Am. Lazarin et al., Cellulose aluminium oxide coated with organofunctional groups containing nitrogen donor atoms, J MAT CHEM, 10(11), 2000, pp. 2526-2531
Authors:
do Carmo, DR
Rodrigues, UP
Gushikem, Y
Franco, DW
Citation: Dr. Do Carmo et al., Spectroscopic and electrochemical study of [Ru(NH3)(5)OH2](3+) [Ru(NH3)(5)Cl](2+), and [Os(NH3)(5)OH2](3+) immobilized on thin film of Ti(IV) oxide dispersed on the silica gel surface, POLYHEDRON, 19(22-23), 2000, pp. 2277-2282
Authors:
Alfaya, RVS
Gushikem, Y
Alfaya, AAS
Citation: Rvs. Alfaya et al., N-propylpyridinium chloride silsesquioxane polymer film on graphite: Electrochemical study of a hexacyanoferrate (II) ion immobilized electrode for oxidation of ascorbic acid, J BRAZ CHEM, 11(3), 2000, pp. 281-285
Authors:
Prado, LLL
Nascente, PAP
De Castro, SC
Gushikem, Y
Citation: Lll. Prado et al., Aluminium oxide grafted on silica gel surface: Study of the thermal stability, structure and surface acidity, J MATER SCI, 35(2), 2000, pp. 449-453
Authors:
Castellani, AM
Gushikem, Y
Citation: Am. Castellani et Y. Gushikem, Electrochemical properties of a porphyrin-cobalt (II) adsorbed on silica-titania-phosphate composite surface prepared by the sol-gel method, J COLL I SC, 230(1), 2000, pp. 195-199
Authors:
Toledo, EA
Gushikem, Y
de Castro, SC
Citation: Ea. Toledo et al., Antimony(III) oxide film on a cellulose fiber surface: Preparation and characterization of the composite, J COLL I SC, 225(2), 2000, pp. 455-459
Authors:
Alfaya, RVS
Alfaya, AAS
Gushikem, Y
Rath, S
Citation: Rvs. Alfaya et al., Ion selective electrode for potentiometric determination of saccharin using a thin film of silsesquioxane 3-n-propylpyridinium chloride polymer coated-graphite rod, ANAL LETTER, 33(14), 2000, pp. 2859-2871
Authors:
Pessoa, CA
Gushikem, Y
Citation: Ca. Pessoa et Y. Gushikem, Cobalt(II) metallated hematoporphyrin IX and protoporphyrin IX immobilizedon niobium(V) oxide grafted on a silica gel surface: electrochemical studies, J ELEC CHEM, 477(2), 1999, pp. 158-163
Authors:
Ribeiro, ES
Gushikem, Y
Citation: Es. Ribeiro et Y. Gushikem, Cobalt(II) tetrasulfophthalocyanine complex adsorbed on a silica gel surface chemically modified with 3-N-propylpyridinium chloride: Oxalic acid oxidation study, ELECTROANAL, 11(17), 1999, pp. 1280-1284
Authors:
Fujiwara, ST
Gushikem, Y
Citation: St. Fujiwara et Y. Gushikem, Cobalt(II) phthalocyanine bonded to 3-n-propylimidazole immobilized on silica gel surface: Preparation and electrochemical properties, J BRAZ CHEM, 10(5), 1999, pp. 389-393
Authors:
Baptistella, LHB
Sousa, IMO
Gushikem, Y
Aleixo, AM
Citation: Lhb. Baptistella et al., Chromium (VI) adsorbed on SiO2/ZrO2, a new supported reagent for allylic oxidations, TETRAHEDR L, 40(14), 1999, pp. 2695-2698
Authors:
Goncalves, JE
Gushikem, Y
de Castro, SC
Citation: Je. Goncalves et al., Preparation and properties of antimony (V) oxide adsorbed on silica-titania mixed oxide, J NON-CRYST, 260(1-2), 1999, pp. 125-131
Authors:
Alfaya, RVS
Gushikem, Y
Citation: Rvs. Alfaya et Y. Gushikem, Aluminum oxide coated cellulose fibers modified with n-propylpyridinium chloride silsesquioxane polymer: Preparation, characterization, and adsorption of some metal halides from ethanol solution, J COLL I SC, 213(2), 1999, pp. 438-444
The preparation and application of silica-zirconia xerogel as potentiometric sensor for chromium(VI)
Authors:
Alfaya, AAS
Gushikem, Y
Citation: Aas. Alfaya et Y. Gushikem, The preparation and application of silica-zirconia xerogel as potentiometric sensor for chromium(VI), J COLL I SC, 209(2), 1999, pp. 428-434