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Koiti Araki, Ph.D. - Publications

Affiliations: 
Departamento de Química Fundamental University of São Paulo, São Paulo, São Paulo, Brazil 
Area:
Supramolecular Chemistry, Nanotechnology
Website:
http://www3.iq.usp.br/pessoas_view.php?idDocente=57

143 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Azeredo NFB, Gonçalves JM, Rossini PO, Araki K, Wang J, Angnes L. Uric acid electrochemical sensing in biofluids based on Ni/Zn hydroxide nanocatalyst. Mikrochimica Acta. 187: 379. PMID 32518966 DOI: 10.1007/S00604-020-04351-2  0.8
2019 Tasso TT, Schlothauer JC, Junqueira HC, Matias TA, Araki K, Liandra-Salvador E, Antonio FCT, Mello PH, Baptista MS. Photobleaching efficiency parallels the enhancement of membrane damage for porphyrazine photosensitizers. Journal of the American Chemical Society. PMID 31490678 DOI: 10.1021/Jacs.9B05991  0.68
2019 Matias TA, Rein FN, Rocha RC, Formiga ALB, Toma HE, Araki K. Effects of a strong π-accepting ancillary ligand on the water oxidation activity of weakly coupled binuclear ruthenium catalysts. Dalton Transactions (Cambridge, England : 2003). PMID 30747931 DOI: 10.1039/C8Dt04963G  1
2018 Franciscato DS, Matias TA, Shinohara J, Gonçalves JM, Coelho NP, Fernandes CS, Basso EA, Nakatani HS, Araki K, Toma HE, de Souza VR. Thiosemicarbazone@Gold nanoparticle hybrid as selective SERS substrate for Hg ions. Spectrochimica Acta. Part a, Molecular and Biomolecular Spectroscopy. 204: 174-179. PMID 29933152 DOI: 10.1016/J.Saa.2018.06.038  1
2018 Correa AL, Gonçalves JM, Rossini PO, Bernardes JS, Neves CA, Araki K, Angnes L. Fast and reliable BIA/amperometric quantification of acetylcysteine using a nanostructured double hydroxide sensor. Talanta. 186: 354-361. PMID 29784372 DOI: 10.1016/J.Talanta.2018.04.053  0.8
2016 Marques Netto CGC, Da Silva DG, Toma SH, Andrade LH, Nakamura M, Araki K, Toma HE. Bovine glutamate dehydrogenase immobilization on magnetic nanoparticles: Conformational changes and catalysis Rsc Advances. 6: 12977-12992. DOI: 10.1039/c5ra24637g  1
2016 Calça CP, Fairchild TR, Cavalazzi B, Hachiro J, Petri S, Huila MFG, Toma HE, Araki K. Dolomitized cells within chert of the Permian Assistência Formation, Paraná Basin, Brazil Sedimentary Geology. 335: 120-135. DOI: 10.1016/J.Sedgeo.2016.02.007  1
2016 Da Silva DG, Hiroshi Toma S, De Melo FM, Carvalho LVC, Magalhães A, Sabadini E, Dos Santos AD, Araki K, Toma EHE. Direct synthesis of magnetite nanoparticles from iron(II) carboxymethylcellulose and their performance as NMR contrast agents Journal of Magnetism and Magnetic Materials. 397: 28-32. DOI: 10.1016/J.Jmmm.2015.08.092  0.36
2016 Guimarães RR, Parussulo ALA, Toma HE, Araki K. Enlightening the synergic effect of anatase/rutile mixtures in solar cells Electrochimica Acta. 188: 523-528. DOI: 10.1016/J.Electacta.2015.12.040  1
2015 Santos JJ, Ando RA, Toma SH, Corio P, Araki K, Toma HE. Surface Enhanced Raman Spectroelectrochemistry of a μ-Oxo Triruthenium Acetate Cluster: An Experimental and Theoretical Approach. Inorganic Chemistry. PMID 26393946 DOI: 10.1021/Acs.Inorgchem.5B01751  1
2015 Uchiyama MK, Toma SH, de Paula Rodrigues SF, Shimada AL, Loiola RA, Cervantes Rodríguez HJ, Oliveira PV, Luz MS, Rabbani SR, Toma HE, Poliselli Farsky SH, Araki K. Ultrasmall cationic superparamagnetic iron oxide nanoparticles as nontoxic and efficient MRI contrast agent and magnetic-targeting tool. International Journal of Nanomedicine. 10: 4731-46. PMID 26251595 DOI: 10.2147/Ijn.S83150  1
2015 Ferreira LM, Grasseschi D, Santos MS, Martins PR, Gutz IG, Ferreira AM, Araki K, Toma HE, Angnes L. Unveiling the structure of polytetraruthenated nickel porphyrin by Raman spectroelectrochemistry. Langmuir : the Acs Journal of Surfaces and Colloids. 31: 4351-60. PMID 25812035 DOI: 10.1021/Acs.Langmuir.5B00250  1
2015 Deda DK, Budu A, Cruz LN, Araki K, Garcia CR. Strategies for development of antimalarials based on encapsulated porphyrin derivatives. Mini Reviews in Medicinal Chemistry. 14: 1055-71. PMID 25553431 DOI: 10.2174/1389557515666150101094829  1
2015 Toma SH, Santos JJ, Araki K, Toma HE. Pushing the surface-enhanced Raman scattering analyses sensitivity by magnetic concentration: a simple non core-shell approach. Analytica Chimica Acta. 855: 70-5. PMID 25542091 DOI: 10.1016/J.Aca.2014.12.005  1
2015 Alves E, Iglesias BA, Deda DK, Budu A, Matias TA, Bueno VB, Maluf FV, Guido RV, Oliva G, Catalani LH, Araki K, Garcia CR. Encapsulation of metalloporphyrins improves their capacity to block the viability of the human malaria parasite Plasmodium falciparum. Nanomedicine : Nanotechnology, Biology, and Medicine. 11: 351-8. PMID 25461288 DOI: 10.1016/J.Nano.2014.09.018  1
2015 Deda DK, Araki K. Nanotechnology, light and chemical action: An effective combination to kill cancer cells Journal of the Brazilian Chemical Society. 26: 2448-2470. DOI: 10.5935/0103-5053.20150316  0.4
2015 Uchiyama MK, Toma SH, de Rodrigues SF, Shimada ALB, Loiola RA, Rodríguez HJC, Oliveira PV, Luz MS, Rabbani SR, Toma HE, Farsky SHP, Araki K. Ultrasmall cationic superparamagnetic iron oxide nanoparticles as nontoxic and efficient MRI contrast agent and magnetic-targeting tool International Journal of Nanomedicine. 10: 4731-4746. DOI: 10.2147/IJN.S83150  1
2015 Alves E, Iglesias B, Deda D, Budu A, Matias T, Bueno V, Maluf F, Guido R, Oliva G, Catalani L, Araki K, da Silva Garcia CR. REPLY to Nanomedicine: NMB, 2015; 11:1035 Nanomedicine: Nanotechnology, Biology, and Medicine. 11: 1036-1037. DOI: 10.1016/j.nano.2015.01.015  1
2015 Toma SH, Santos JJ, Araki K, Toma HE. Pushing the surface-enhanced Raman scattering analyses sensitivity by magnetic concentration: A simple non core-shell approach Analytica Chimica Acta. 855: 70-75. DOI: 10.1016/j.aca.2014.12.005  1
2014 Uchiyama MK, Deda DK, Rodrigues SF, Drewes CC, Bolonheis SM, Kiyohara PK, Toledo SP, Colli W, Araki K, Farsky SH. In vivo and in vitro toxicity and anti-inflammatory properties of gold nanoparticle bioconjugates to the vascular system. Toxicological Sciences : An Official Journal of the Society of Toxicology. 142: 497-507. PMID 25260831 DOI: 10.1093/Toxsci/Kfu202  1
2014 Silva BR, Lunardi CN, Araki K, Biazzotto JC, Da Silva RS, Bendhack LM. Gold nanoparticle modifies nitric oxide release and vasodilation in rat aorta. Journal of Chemical Biology. 7: 57-65. PMID 24711859 DOI: 10.1007/S12154-014-0109-X  1
2014 Modolo ML, Danczuk M, Anaissi FJ, Araki K, Fujiwara ST. Carbon ceramic electrodes modified with alpha-nickel hydroxide applied to the electro-oxidation of methanol in alkaline medium Ecs Transactions. 61: 319-330. DOI: 10.1149/06101.0319ecst  1
2014 Martins PR, Ferreira LMC, Araki K, Angnes L. Influence of cobalt content on nanostructured alpha-phase-nickel hydroxide modified electrodes for electrocatalytic oxidation of isoniazid Sensors and Actuators, B: Chemical. 192: 601-606. DOI: 10.1016/J.Snb.2013.11.029  1
2014 Esteves CHA, Iglesias BA, Li RWC, Ogawa T, Araki K, Gruber J. New composite porphyrin-conductive polymer gas sensors for application in electronic noses Sensors and Actuators, B: Chemical. 193: 136-141. DOI: 10.1016/J.Snb.2013.11.022  1
2014 Condomitti U, Silveira AT, Condomitti GW, Toma SH, Araki K, Toma HE. Silver recovery using electrochemically active magnetite coated carbon particles Hydrometallurgy. 147: 241-245. DOI: 10.1016/J.Hydromet.2014.06.001  1
2014 Zuin A, Novak MA, Toma SH, Araki K, Toma HE. Anisotropic magnetic carbon materials based on graphite and magnetite nanoparticles Carbon. 77: 600-606. DOI: 10.1016/J.Carbon.2014.05.064  1
2014 Danczuk M, Nunes CV, Araki K, Anaissi FJ. Influence of alkaline cation on the electrochemical behavior of stabilized alpha-Ni(OH)2 Journal of Solid State Electrochemistry. 18: 2279-2287. DOI: 10.1007/S10008-014-2478-Z  1
2014 Grasseschi D, Parussulo ALA, Zamarion VM, Guimarães RR, Araki K, Toma HE. SERS studies of isolated and agglomerated gold nanoparticles functionalized with a dicarboxybipyridine-trimercaptotriazine-ruthenium dye Journal of Raman Spectroscopy. 45: 758-763. DOI: 10.1002/Jrs.4562  1
2014 Naidek KP, Hoffmeister DM, Pazinato J, Westphal E, Gallardo H, Nakamura M, Araki K, Toma HE, Winnischofer H. Ruthenium acetate cluster amphiphiles and their langmuir-blodgett films for electrochromic switching devices European Journal of Inorganic Chemistry. 1150-1157. DOI: 10.1002/Ejic.201301442  1
2013 Deda DK, Pavani C, Caritá E, Baptista MS, Toma HE, Araki K. Control of cytolocalization and mechanism of cell death by encapsulation of a photosensitizer. Journal of Biomedical Nanotechnology. 9: 1307-17. PMID 23926796 DOI: 10.1166/Jbn.2013.1614  1
2013 Armas LEG, Huila MFG, Pojar M, Peres HEM, Fernandes FJR, Valle MA, Araki K, Toma HE, Santos AD, Seabra AC. Effect of ethanol concentrations on few layer Schottky graphene transistors Journal of Physics: Conference Series. 421. DOI: 10.1088/1742-6596/421/1/012005  1
2013 Martins PR, Toma SH, Nakamura M, Toma HE, Araki K. Thermodynamic stabilization of nanostructured alpha-Ni1-xCo x(OH)2 for high efficiency batteries and devices Rsc Advances. 3: 20261-20266. DOI: 10.1039/C3Ra42417K  1
2013 Grasseschi D, Parussulo ALA, Zamarion VM, Guimarães RR, Araki K, Toma HE. How relevant can the SERS effect in isolated nanoparticles be? Rsc Advances. 3: 24465-24472. DOI: 10.1039/C3Ra41818A  1
2013 Guimaraes RR, Parussulo ALA, Toma HE, Araki K. New tunable ruthenium complex dyes for TiO2 solar cells Inorganica Chimica Acta. 404: 23-28. DOI: 10.1016/J.Ica.2013.04.016  1
2013 Martins PR, GonçalvesNeryMotta A, Nakamura M, Araki K, Angnes L. Nanostructured alpha-nickel hydroxide electrodes for high performance hydrogen peroxide sensing Electroanalysis. 25: 2060-2066. DOI: 10.1002/Elan.201300288  1
2012 Fasciotti M, Gomes AF, Gozzo FC, Iglesias BA, de Sá GF, Daroda RJ, Toganoh M, Furuta H, Araki K, Eberlin MN. Corrole isomers: intrinsic gas-phase shapes via traveling wave ion mobility mass spectrometry and dissociation chemistries via tandem mass spectrometry. Organic & Biomolecular Chemistry. 10: 8396-402. PMID 22971962 DOI: 10.1039/C2Ob26209F  1
2012 Santos JJ, Toma SH, Lalli PM, Riccio MF, Eberlin MN, Toma HE, Araki K. Exploring the coordination chemistry of isomerizable terpyridine derivatives for successful analyses of cis and trans isomers by travelling wave ion mobility mass spectrometry. The Analyst. 137: 4045-51. PMID 22816105 DOI: 10.1039/C2An35320B  1
2012 Lalli PM, Iglesias BA, Toma HE, de Sa GF, Daroda RJ, Silva Filho JC, Szulejko JE, Araki K, Eberlin MN. Protomers: formation, separation and characterization via travelling wave ion mobility mass spectrometry. Journal of Mass Spectrometry : Jms. 47: 712-9. PMID 22707163 DOI: 10.1002/Jms.2999  1
2012 Parussulo AL, Iglesias BA, Toma HE, Araki K. Sevenfold enhancement on porphyrin dye efficiency by coordination of ruthenium polypyridine complexes. Chemical Communications (Cambridge, England). 48: 6939-41. PMID 22673846 DOI: 10.1039/C2Cc31173A  1
2012 Huila MF, Lukin N, Parussulo AL, Oliveira PV, Kyohara PK, Araki K, Toma HE. Unraveling the mysterious role of palladium in Feigl bis(dimethylglyoximate)nickel(II) spot tests by means of confocal Raman microscopy. Analytical Chemistry. 84: 3067-9. PMID 22414341 DOI: 10.1021/Ac3003352  1
2012 Lalli PM, Iglesias BA, Deda DK, Toma HE, De Sa GF, Daroda RJ, Araki K, Eberlin MN. Resolution of isomeric multi-ruthenated porphyrins by travelling wave ion mobility mass spectrometry Rapid Communications in Mass Spectrometry. 26: 263-268. PMID 22223311 DOI: 10.1002/Rcm.5314  1
2012 Tumolo T, Nakamura M, Araki K, Baptista MS. Effect of cations/polycations on the efficiency of formation of a hybrid bilayer membrane that mimics the inner mitochondrial membrane. Colloids and Surfaces. B, Biointerfaces. 91: 1-9. PMID 22119213 DOI: 10.1016/J.Colsurfb.2011.10.013  1
2012 de Paula LR, Parussulo ALA, Araki K, Toma HE. Evaluation of sun protection factor of cosmetic formulations by a simple visual in vitro method mimicking the in vivo method Journal of Pharmaceutical Sciences. 101: 726-732. PMID 22042606 DOI: 10.1002/Jps.22797  1
2012 Iglesias BA, Hörner M, Toma HE, Araki K. 5-(1-(4-phenyl)-3-(4-nitrophenyl)triazene)-10,15,20-triphenylporphyrin Journal of Porphyrins and Phthalocyanines. 16: 200-209. DOI: 10.1142/S1088424612004501  1
2012 Deda DK, Pavani C, Caritá E, Baptista MS, Toma HE, Araki K. Correlation of photodynamic activity and singlet oxygen quantum yields in two series of hydrophobic monocationic porphyrins Journal of Porphyrins and Phthalocyanines. 16: 55-63. DOI: 10.1142/S1088424611004336  1
2012 Parussulo ALA, Iglesias BA, Toma HE, Araki K. Sevenfold enhancement on porphyrin dye efficiency by coordination of ruthenium polypyridine complexes Chemical Communications. 48: 6939-6941. DOI: 10.1039/c2cc31173a  1
2012 Santos JJ, Toma SH, Lalli PM, Riccio MF, Eberlin MN, Toma HE, Araki K. Exploring the coordination chemistry of isomerizable terpyridine derivatives for successful analyses of cis and trans isomers by travelling wave ion mobility mass spectrometry Analyst. 137: 4045-4051. DOI: 10.1039/c2an35320b  1
2012 Huila MFG, Lukin N, Parussulo ALA, Oliveira PV, Kyohara PK, Araki K, Toma HE. Unraveling the mysterious role of palladium in feigl bis (dimethylglyoximate)nickel(II) spot tests by means of confocal raman microscopy Analytical Chemistry. 84: 3067-3069. DOI: 10.1021/ac3003352  1
2012 Martins PR, Araújo Parussulo AL, Toma SH, Rocha MA, Toma HE, Araki K. Highly stabilized alpha-NiCo(OH) 2 nanomaterials for high performance device application Journal of Power Sources. 218: 1-4. DOI: 10.1016/J.Jpowsour.2012.06.065  1
2012 Toma SH, Santos JJ, Nikolaou S, Araki K, Toma HE. Direct assembly of a metallodendrimer encompassing seven triruthenium clusters units Inorganica Chimica Acta. 390: 148-153. DOI: 10.1016/J.Ica.2012.04.026  1
2012 Condomitti U, Zuin A, Silveira AT, Araki K, Toma HE. Magnetic nanohydrometallurgy: A promising nanotechnological approach for metal production and recovery using functionalized superparamagnetic nanoparticles Hydrometallurgy. 125: 148-151. DOI: 10.1016/J.Hydromet.2012.06.005  1
2012 Toma SH, Santos JJ, Velho RG, Nakamura M, Toma HE, Araki K. Electrochemically activated coordenative assembly of a triruthenium cluster metallopolymer Electrochimica Acta. 66: 287-294. DOI: 10.1016/J.Electacta.2012.01.098  1
2012 Armas LEG, Landi GT, Huila MFG, Champi A, Pojar M, Seabra AC, Santos AD, Araki K, Toma HE. Graphene modification with gold nanoparticles using the gas aggregation technique Diamond and Related Materials. 23: 18-22. DOI: 10.1016/J.Diamond.2011.12.038  1
2012 Lalli PM, Iglesias BA, Toma HE, De Sa GF, Daroda RJ, Silva Filho JC, Szulejko JE, Araki K, Eberlin MN. Protomers: Formation, separation and characterization via travelling wave ion mobility mass spectrometry Journal of Mass Spectrometry. 47: 712-719. DOI: 10.1002/jms.2999  1
2012 Gargalaka J, Couto RAA, Constantino VRL, Toma HE, Araki K. Influence of the relative amounts of crystalline and amorphous phases on the mechanical properties of polyamide-6 nanocomposites Journal of Applied Polymer Science. 125: 3239-3249. DOI: 10.1002/App.36509  1
2011 Rocha MA, Winnischofer H, Araki K, Anaissi FJ, Toma HE. A new insight on the preparation of stabilized alpha-nickel hydroxide nanoparticles. Journal of Nanoscience and Nanotechnology. 11: 3985-96. PMID 21780396 DOI: 10.1166/Jnn.2011.3872  1
2011 Parussulo AL, Huila MF, Araki K, Toma HE. N3-dye-induced visible laser anatase-to-rutile phase transition on mesoporous TiO2 films. Langmuir : the Acs Journal of Surfaces and Colloids. 27: 9094-9. PMID 21707061 DOI: 10.1021/La201838Z  1
2011 Netto CG, Nakamatsu EH, Netto LE, Novak MA, Zuin A, Nakamura M, Araki K, Toma HE. Catalytic properties of thioredoxin immobilized on superparamagnetic nanoparticles. Journal of Inorganic Biochemistry. 105: 738-44. PMID 21470550 DOI: 10.1016/J.Jinorgbio.2011.02.006  1
2011 Rocha MA, Winnischofer H, Araki K, Anaissi FJ, Toma HE. A New insight on the preparation of stabilized alpha-nickel hydroxide nanoparticles Journal of Nanoscience and Nanotechnology. 11: 3985-3996. DOI: 10.1166/jnn.2011.3872  1
2011 Bagatin IA, Araki K, Toma HE. Sensing hazardous metal ions using a fluoroionophore calix[4]arene species containing two 8-oxyquinoline groups Canadian Journal of Chemistry. 89: 562-567. DOI: 10.1139/v11-021  1
2011 Parussulo ALA, Huila MFG, Araki K, Toma HE. N3-dye-induced visible laser anatase-to-rutile phase transition on mesoporous TiO2 Films Langmuir. 27: 9094-9099. DOI: 10.1021/la201838z  1
2011 De Paula LR, Parussulo ALA, Araki K, Toma HE. Reliable and fast sensor for in vitro evaluation of solar protection factor based on the photobleaching kinetics of a nanocrystalline TiO2/dye UV-dosimeter Sensors and Actuators, B: Chemical. 156: 325-331. DOI: 10.1016/J.Snb.2011.04.041  1
2011 Condomitti U, Zuin A, Silveira AT, Araki K, Toma HE. Direct use of superparamagnetic nanoparticles as electrode modifiers for the analysis of mercury ions from aqueous solution and crude petroleum samples Journal of Electroanalytical Chemistry. 661: 72-76. DOI: 10.1016/J.Jelechem.2011.07.018  1
2011 Martins PR, Popolim WD, Nagato LAF, Takemoto E, Araki K, Toma HE, Angnes L, Penteado MDVC. Fast and reliable analyses of sulphite in fruit juices using a supramolecular amperometric detector encompassing in flow gas diffusion unit Food Chemistry. 127: 249-255. DOI: 10.1016/J.Foodchem.2010.12.103  1
2011 Condomitti U, Zuin A, Novak MA, Araki K, Toma HE. Magnetic coupled electrochemistry: Exploring the use of superparamagnetic nanoparticles for capturing, transporting and concentrating trace amounts of analytes Electrochemistry Communications. 13: 72-74. DOI: 10.1016/J.Elecom.2010.11.016  1
2011 Nikolaou S, Toma SH, De Souza VR, Alves JB, Araki K, Toma HE. Triangular ruthenium acetate clusters containing the bis(pyridyl)propane ligand and their inclusion chemistry with β-cyclodextrin Transition Metal Chemistry. 36: 775-783. DOI: 10.1007/S11243-011-9532-9  1
2011 De Melo VHS, Zamarion VM, Araki K, Toma HE. New insights on surface-enhanced Raman scattering based on controlled aggregation and spectroscopic studies, DFT calculations and symmetry analysis for 3,6-bi-2-pyridyl-1,2,4,5-tetrazine adsorbed onto citrate-stabilized gold nanoparticles Journal of Raman Spectroscopy. 42: 644-652. DOI: 10.1002/Jrs.2741  1
2011 Condomitti U, Zuin A, Silveira AT, Toma SH, Araki K, Toma HE. Superparamagnetic carbon electrodes: A versatile approach for performing magnetic coupled electrochemical analysis of mercury ions Electroanalysis. 23: 2569-2573. DOI: 10.1002/Elan.201100278  1
2011 Martins PR, Aparecida Rocha M, Angnes L, Eisi Toma H, Araki K. Highly sensitive amperometric glucose sensors based on nanostructured α-Ni(OH)2 electrodes Electroanalysis. 23: 2541-2548. DOI: 10.1002/Elan.201100271  1
2011 Toma SH, Santos JJ, Araki K, Toma HE. Supramolecular approach to gold nanoparticle/triruthenium cluster hybrid materials and interfaces European Journal of Inorganic Chemistry. 1640-1648. DOI: 10.1002/Ejic.201001118  1
2010 Nakamura M, Araki K, Toma HE. Probing magnetic and gold nanoparticles by using MAClevers® as ultrasensitive sensors Nanoscale. 2: 2583-2586. PMID 20981361 DOI: 10.1039/C0Nr00533A  1
2010 Grasseschi D, Zamarion VM, Araki K, Toma HE. Surface enhanced Raman scattering spot tests: a new insight on Feigl's analysis using gold nanoparticles. Analytical Chemistry. 82: 9146-9. PMID 20961122 DOI: 10.1021/Ac102238F  1
2010 dePaula SM, Huila MFG, Araki K, Toma HE. Confocal Raman and electronic microscopy studies on the topotactic conversion of calcium carbonate from Pomacea lineate shells into hydroxyapatite bioceramic materials in phosphate media Micron. 41: 983-989. PMID 20678941 DOI: 10.1016/J.Micron.2010.06.014  1
2010 Toma HE, Timm RA, Gonzalez MF, Araki K. Vanadium(V) oxide - Metal organic nanocomposites as electrochemical sensing materials Materials Science Forum. 636: 729-736. DOI: 10.4028/Www.Scientific.Net/Msf.636-637.729  1
2010 Toma HE, Zamarion VM, Toma SH, Araki K. The coordination chemistry at gold nanoparticles Journal of the Brazilian Chemical Society. 21: 1158-1176. DOI: 10.1590/S0103-50532010000700003  1
2010 Toma HE, Araki K, Formiga ALB, Alexiou ADP, Nunes GS. Electrocatalytic oxidation of methanol by the [Ru3O(OAc) 6(py)2(CH3OH)]3+ cluster: Improving the metal-ligand electron transfer by accessing the higher oxidation states of a multicentered system Quimica Nova. 33: 2046-2050. DOI: 10.1590/S0100-40422010001000008  1
2010 Grasseschi D, Zamarion VM, Araki K, Toma HE. Surface enhanced Raman scattering spot tests: A new insight on Feigl's analysis using gold nanoparticles Analytical Chemistry. 82: 9146-9149. DOI: 10.1021/ac102238f  1
2010 Timm RA, Falla MPH, Huila MFG, Peres HEM, Ramirez-Fernandez FJ, Araki K, Toma HE. Vanadium oxide-porphyrin nanocomposites as gas sensor interfaces for probing low water content in ethanol Sensors and Actuators, B: Chemical. 146: 61-68. DOI: 10.1016/J.Snb.2010.01.045  1
2009 Parussulo AL, Bonacin JA, Toma SH, Araki K, Toma HE. Unravelling the chemical morphology of a mesoporous titanium dioxide interface by confocal Raman microscopy: new clues for improving the efficiency of dye solar cells and photocatalysts. Langmuir : the Acs Journal of Surfaces and Colloids. 25: 11269-71. PMID 19719164 DOI: 10.1021/La902551K  1
2009 Deda DK, Uchoa AF, Caritá E, Baptista MS, Toma HE, Araki K. A new micro/nanoencapsulated porphyrin formulation for PDT treatment. International Journal of Pharmaceutics. 376: 76-83. PMID 19409465 DOI: 10.1016/J.Ijpharm.2009.04.024  1
2009 Naue JA, Toma SH, Bonacin JA, Araki K, Toma HE. Probing the binding of tetraplatinum(pyridyl)porphyrin complexes to DNA by means of surface plasmon resonance Journal of Inorganic Biochemistry. 103: 182-189. PMID 19027167 DOI: 10.1016/J.Jinorgbio.2008.10.005  1
2009 Toma SH, Alexiou AD, Toma HE, Araki K, Eberlin MN. Can mass dissociation patterns of transition-metal complexes be predicted from electrochemical data? Journal of Mass Spectrometry : Jms. 44: 361-7. PMID 18942068 DOI: 10.1002/Jms.1513  1
2009 Matsumoto MY, Toyama MM, Mayer I, Winnischofer H, Araki K, Toma HE. Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films Journal of the Brazilian Chemical Society. 20: 728-736. DOI: 10.1590/S0103-50532009000400016  1
2009 Parussulo ALA, Bonacin JA, Toma SH, Araki K, Toma HE. Unravelling the chemical morphology of a mesoporous titanium dioxide interface by confocal Raman microscopy: New clues for improving the efficiency of dye solar cells and photocatalysts Langmuir. 25: 11269-11271. DOI: 10.1021/la902551k  1
2009 Rocha MA, Anaissi FJ, Toma HE, Araki K, Winnischofer H. Preparation and characterization of colloidal Ni(OH)2/bentonite composites Materials Research Bulletin. 44: 970-976. DOI: 10.1016/J.Materresbull.2008.11.014  1
2009 Munoz RAA, Toma SH, Toma HE, Araki K, Angnes L. Investigation of interfacial processes at tetraruthenated zinc porphyrin films using electrochemical surface plasmon resonance and electrochemical quartz crystal microbalance Electrochimica Acta. 54: 2971-2976. DOI: 10.1016/J.Electacta.2008.12.020  1
2009 Toma SH, Alexiou ADP, Toma HE, Araki K, Eberlin MN. Can mass dissociation patterns of transition-metal complexes be predicted from electrochemical data? Journal of Mass Spectrometry. 44: 361-367. DOI: 10.1002/jms.1513  1
2009 Toma HE, Araki K. Exploring the supramolecular coordination chemistry-based approach for nanotechnology Progress in Inorganic Chemistry. 56: 379-485.  1
2008 Bonifacio LS, Gordijo CR, Constantino VR, Silva DO, Kiyohara PK, Araki K, Toma HE. Optical changes and writing on hydrotalcite supported gold nanoparticles. Journal of Nanoscience and Nanotechnology. 8: 274-9. PMID 18468071  1
2008 Quintino MS, Araki K, Toma HE, Angnes L. New hydrazine sensors based on electropolymerized meso-tetra(4-sulphonatephenyl)porphyrinate manganese(III)/silver nanomaterial. Talanta. 74: 730-5. PMID 18371701 DOI: 10.1016/J.Talanta.2007.07.001  1
2008 Zamarion VM, Timm RA, Araki K, Toma HE. Ultrasensitive SERS nanoprobes for hazardous metal ions based on trimercaptotriazine-modified gold nanoparticles. Inorganic Chemistry. 47: 2934-6. PMID 18366156 DOI: 10.1021/Ic800122V  1
2008 Bonifacio LS, Gordijo CR, Constantino VRL, Silva DO, Kiyohara PK, Araki K, Toma HE. Optical changes and writing on hydrotalcite supported gold nanoparticles Journal of Nanoscience and Nanotechnology. 8: 274-279. DOI: 10.1166/Jnn.2008.18128  1
2008 Formiga ALB, Nogueira AF, Araki K, Toma HE. Contrasting photoelectrochemical behaviour of two isomeric supramolecular dyes based on meso-tetra(pyridyl)porphyrin incorporating four (μ3-oxo)- triruthenium(III) clusters New Journal of Chemistry. 32: 1167-1174. DOI: 10.1039/B709888J  1
2008 Zamarion VM, Timm RA, Araki K, Toma HE. Ultrasensitive SERS nanoprobes for hazardous metal ions based on trimercaptotriazine-modified gold nanoparticles Inorganic Chemistry. 47: 2934-2936. DOI: 10.1021/ic800122v  1
2008 Quintino MSM, Araki K, Toma HE, Angnes L. New hydrazine sensors based on electropolymerized meso-tetra(4-sulphonatephenyl)porphyrinate manganese(III)/silver nanomaterial Talanta. 74: 730-735. DOI: 10.1016/j.talanta.2007.07.001  1
2007 Engelmann FM, Mayer I, Gabrielli DS, Toma HE, Kowaltowski AJ, Araki K, Baptista MS. Interaction of cationic meso-porphyrins with liposomes, mitochondria and erythrocytes. Journal of Bioenergetics and Biomembranes. 39: 175-85. PMID 17436065 DOI: 10.1007/S10863-007-9075-0  1
2007 Santos SF, Santos ML, Almeida LE, Costa NB, Gimenez IF, Araki K, Mayer I, Engelmann FM, Toma HE, Barreto LS. Fluorescent tetraruthenated porphyrins embedded in monolithic SiO2 gels by the sol-gel process Journal of Colloid and Interface Science. 305: 264-269. PMID 17074358 DOI: 10.1016/J.Jcis.2006.09.061  1
2007 Engelmann FM, Rocha SV, Toma HE, Araki K, Baptista MS. Determination of n-octanol/water partition and membrane binding of cationic porphyrins. International Journal of Pharmaceutics. 329: 12-8. PMID 16979860 DOI: 10.1016/J.Ijpharm.2006.08.008  1
2007 Toma SH, Bonacin JA, Araki K, Toma HE. Controlled stabilization and flocculation of gold nanoparticles by means of 2-pyrazin-2-ylethanethiol and pentacyanidoferrate(II) complexes European Journal of Inorganic Chemistry. 3356-3364. DOI: 10.1002/Ejic.200700151  1
2007 Araki K. Supramolecular approach to nanotechnology | Estratégia supramolecular para a nanotecnologia Quimica Nova. 30: 1484-1490.  1
2006 Quintino MS, Araki K, Toma HE, Angnes L. Amperometric quantification of sodium metabisulfite in pharmaceutical formulations utilizing tetraruthenated porphyrin film modified electrodes and batch injection analysis. Talanta. 68: 1281-6. PMID 18970461 DOI: 10.1016/J.Talanta.2005.07.034  1
2006 Winnischofer H, Toma HE, Araki K. Polymetallated porphyrin ultrathin films as transducing elements for molecular devices and logic gates Journal of Nanoscience and Nanotechnology. 6: 1701-1709. PMID 17025074 DOI: 10.1166/Jnn.2006.245  1
2006 Araki K, Mizuguchi E, Tanaka H, Ogawa T. Preparation of very reactive thiol-protected gold nanoparticles: revisiting the Brust-Schiffrin method. Journal of Nanoscience and Nanotechnology. 6: 708-12. PMID 16573125 DOI: 10.1166/Jnn.2006.079  1
2006 Furtado LF, Alexiou AD, Gonçalves L, Toma HE, Araki K. TiO2-based light-driven XOR/INH logic gates. Angewandte Chemie (International Ed. in English). 45: 3143-6. PMID 16572497 DOI: 10.1002/Anie.200600076  1
2006 Nunes FS, Bonifácio Lda S, Araki K, Toma HE. Interaction of 2- and 4-mercaptopyridine with pentacyanoferrates and gold nanoparticles. Inorganic Chemistry. 45: 94-101. PMID 16390044 DOI: 10.1021/Ic0512429  1
2006 Eberlin MN, Tomazela DM, Araki K, Alexiou ADP, Formiga ALB, Toma HE, Nikolaou S. Electrospray ionization tandem mass spectrometry of polymetallic μ-oxo- And carboxylate-bridged [Ru3O(CH3COO)6(Py) 2(L)]+ complexes: Intrinsic ligand (L) affinities with direct access to steric effects Organometallics. 25: 3245-3250. DOI: 10.1021/Om060026K  1
2006 Toma SH, Bonacin JA, Araki K, Toma HE. Selective host-guest interactions on mesoporous TiO2 films modified with carboxymethyl-β-cyclodextrin Surface Science. 600: 4591-4597. DOI: 10.1016/J.Susc.2006.07.027  1
2006 Mayer I, Toma HE, Araki K. Electrocatalysis on tetraruthenated nickel and cobalt porphyrins electrostatic assembled films Journal of Electroanalytical Chemistry. 590: 111-119. DOI: 10.1016/J.Jelechem.2006.02.035  1
2006 Mayer I, Nakamura M, Toma HE, Araki K. Multielectronic redox and electrocatalytic supramolecular films based on a tetraruthenated iron porphyrin Electrochimica Acta. 52: 263-271. DOI: 10.1016/J.Electacta.2006.05.004  1
2006 Araki K, Toma HE. Supramolecular porphyrins as electrocatalysts N4-Macrocyclic Metal Complexes. 255-314. DOI: 10.1007/978-0-387-28430-9_6  1
2006 Nunes GS, Alexiou ADP, Araki K, Formiga ALB, Rocha RC, Toma HE. Proton-coupled redox chemistry, oxidative reactivity, and electronic characterization of aqua-, hydroxo-, and oxo-triruthenium clusters European Journal of Inorganic Chemistry. 1487-1495. DOI: 10.1002/Ejic.200501089  1
2006 Mayer I, Nunes GS, Toma HE, Araki K. Steric and catalytic effects in tetraruthenated manganese porphyrins European Journal of Inorganic Chemistry. 850-856. DOI: 10.1002/Ejic.200500705  1
2005 Winnischofer H, Formiga AL, Nakamura M, Toma HE, Araki K, Nogueira AF. Conduction and photoelectrochemical properties of monomeric and electropolymerized tetraruthenated porphyrin films. Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society For Photobiology. 4: 359-66. PMID 15803206 DOI: 10.1039/B417786J  1
2005 Quintino MSM, Winnischofer H, Araki K, Toma HE, Angnes L. Cobalt oxide/tetraruthenated cobalt-porphyrin composite for hydrogen peroxide amperometric sensors Analyst. 130: 221-226. PMID 15665977 DOI: 10.1039/B415496G  1
2005 Mayer I, Eberlin MN, Tomazela DM, Toma HE, Araki K. Supramolecular conformational effects in the electrocatalytic properties of electrostatic assembled films of Meso(3- and 4-pyridyl) isomers of tetraruthenated porphyrins Journal of the Brazilian Chemical Society. 16: 418-425. DOI: 10.1590/S0103-50532005000300016  1
2005 Mayer I, Nakamura K, Srinivasan A, Furuta H, Toma HE, Araki K. Spectroelectrochemical behavior of N-confused dioxohexaphyrins Journal of Porphyrins and Phthalocyanines. 9: 813-820. DOI: 10.1142/S1088424605000927  1
2005 Winnischofer H, Barboza Formiga AL, Nakamura M, Toma HE, Araki K, Nogueira AF. Conduction and photoelectrochemical properties of monomeric and electropolymerized tetraruthenated porphyrin films Photochemical and Photobiological Sciences. 4: 359-366. DOI: 10.1039/b417786j  1
2005 Nunes GS, Mayer I, Toma HE, Araki K. Kinetics and mechanism of cyclohexane oxidation catalyzed by supramolecular manganese(III) porphyrins Journal of Catalysis. 236: 55-61. DOI: 10.1016/J.Jcat.2005.09.003  1
2005 Mayer I, Formiga ALB, Engelmann FM, Winnischofer H, Oliveira PV, Tomazela DM, Eberlin MN, Toma HE, Araki K. Study of the spectroscopic and electrochemical properties of tetraruthenated porphyrins by theoretical-experimental approach Inorganica Chimica Acta. 358: 2629-2642. DOI: 10.1016/J.Ica.2005.03.020  1
2005 Maia Quintino MDS, Winnischofer H, Nakamura M, Araki K, Toma HE, Angnes L. Amperometric sensor for glucose based on electrochemically polymerized tetraruthenated nickel-porphyrin Analytica Chimica Acta. 539: 215-222. DOI: 10.1016/J.Aca.2005.02.057  1
2004 Tomazela DM, Gozzo FC, Mayer I, Engelmann FM, Araki K, Toma HE, Eberlin MN. Electrospray mass and tandem mass spectrometry of homologous and isomeric singly, doubly, triply and quadruply charged cationic ruthenated meso-(phenyl)m-(meta- and para-pyridyl)n (m + n = 4) macrocyclic porphyrin complexes. Journal of Mass Spectrometry : Jms. 39: 1161-7. PMID 15468107 DOI: 10.1002/Jms.699  1
2004 Nogueira AF, Formiga AL, Winnischofer H, Nakamura M, Engelmann FM, Araki K, Toma HE. Photoelectrochemical properties of supramolecular species containing porphyrin and ruthenium complexes on TiO(2) films. Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society For Photobiology. 3: 56-62. PMID 14743280 DOI: 10.1039/B306702E  1
2004 Nogueira AF, Furtado LF, Formiga AL, Nakamura M, Araki K, Toma HE. Sensitization of TiO(2) by supramolecules containing zinc porphyrins and ruthenium-polypyridyl complexes. Inorganic Chemistry. 43: 396-8. PMID 14730997 DOI: 10.1021/Ic0345727  1
2004 Nogueira AF, Formiga ALB, Winnischofer H, Nakamura M, Engelmann FM, Araki K, Toma HE. Photoelectrochemical properties of supramolecular species containing porphyrin and ruthenium complexes on TiO2 films Photochemical and Photobiological Sciences. 3: 56-62. DOI: 10.1039/b306702e  1
2004 Engelmann FM, Mayer I, Araki K, Toma HE, Baptista MS, Maeda H, Osuka A, Furuta H. Photochemistry of doubly N-confused porphyrin bonded to non-conventional high oxidation state Ag(III) and Cu(III) ions Journal of Photochemistry and Photobiology a: Chemistry. 163: 403-411. DOI: 10.1016/J.Jphotochem.2004.01.010  1
2004 Araki K, Winnischofer H, Viana HEB, Toyama MM, Engelmann FM, Mayer I, Formiga ALB, Toma HE. Enhanced electrochemical and electrocatalytic activity of a new supramolecular manganese-porphyrin species containing four bis(bipyridine)(aqua)ruthenium(II) complexes Journal of Electroanalytical Chemistry. 562: 145-152. DOI: 10.1016/J.Jelechem.2003.08.025  1
2004 Winnischofer H, Otake VY, Dovidauskas S, Nakamura M, Toma HE, Araki K. Supramolecular tetracluster-cobalt porphyrin: A four-electron transfer catalyst for dioxygen reduction Electrochimica Acta. 49: 3711-3718. DOI: 10.1016/J.Electacta.2003.12.052  1
2003 Araki K, Engelmann FM, Mayer I, Toma HE, Baptista MS, Maeda H, Osuka A, Furuta H. Doubly N-confused porphyrins as efficient sensitizers for singlet oxygen generation Chemistry Letters. 32: 244-245. DOI: 10.1246/Cl.2003.244  1
2003 Anaissi FJ, Engelmann FM, Araki K, Toma HE. Porphyrin doped vanadium pentoxide xerogel as electrode material Solid State Sciences. 5: 621-628. DOI: 10.1016/S1293-2558(03)00053-0  1
2003 Winnischofer H, De Souza Lima S, Araki K, Toma HE. Electrocatalytic activity of a new nanostructured polymeric tetraruthenated porphyrin film for nitrite detection Analytica Chimica Acta. 480: 97-107. DOI: 10.1016/S0003-2670(02)01594-5  1
2002 Engelmann FM, Losco P, Winnischofer H, Araki K, Toma HE. Synthesis, electrochemistry, spectroscopy and photophysical properties of a series of meso-phenylpyridylporphyrins with one to four pyridyl rings coordinated to [Ru(bipy)2Cl]+ groups Journal of Porphyrins and Phthalocyanines. 6: 33-42. DOI: 10.1142/S1088424602000063  1
2002 Da Rocha JRC, Demets GJF, Bertotti M, Araki K, Toma HE. Charge transfer at electrostatically assembled tetraruthenated porphyrin modified electrodes Journal of Electroanalytical Chemistry. 526: 69-76. DOI: 10.1016/S0022-0728(02)00769-6  1
2002 Winnischofer H, Engelmann FM, Toma HE, Araki K, Rechenberg HR. Acid-base and spectroscopic properties of a novel supramolecular porphyrin bonded to four pentacyanoferrate(II) groups Inorganica Chimica Acta. 338: 27-35. DOI: 10.1016/S0020-1693(02)01012-5  1
2002 Da Rocha JRC, Angnes L, Bertotti M, Araki K, Toma HE. Amperometric detection of nitrite and nitrate at tetraruthenated porphyrin-modified electrodes in a continuous-flow assembly Analytica Chimica Acta. 452: 23-28. DOI: 10.1016/S0003-2670(01)01440-4  1
2002 Quintino MSM, Araki K, Toma HE, Angnes L. Batch injection analysis utilizing modified electrodes with tetraruthenated porphyrin films for acetaminophen quantification Electroanalysis. 14: 1629-1634. DOI: 10.1002/Elan.200290003  1
2001 Araki K, Winnischofer H, Toma HE, Maeda H, Osuka A, Furuta H. Acid-base and spectroelectrochemical properties of doubly N-confused porphyrins Inorganic Chemistry. 40: 2020-2025. PMID 11304145 DOI: 10.1021/Ic000441J  1
2001 Araki K, Losco P, Engelmann FM, Winnischofer H, Toma HE. Modulation of vectorial energy transfer in the tetrakis[tris(bipyridine)ruthenium(II)]porphyrinate zinc complex Journal of Photochemistry and Photobiology a: Chemistry. 142: 25-30. DOI: 10.1016/S1010-6030(01)00492-0  1
2001 Araki K, Dovidauskas S, Winnischofer H, Alexiou ADP, Toma HE. A new highly efficient tetra-electronic catalyst based on a cobalt porphyrin bound to four μ3-oxo-ruthenium acetate clusters Journal of Electroanalytical Chemistry. 498: 152-160. DOI: 10.1016/S0022-0728(00)00348-X  1
2000 Araki K, De Souza Lima S, Winnischofer H. Thin molecular films of supramolecular porphyrins Anais Da Academia Brasileira De Ciencias. 72: 27-32. PMID 10932100  1
2000 Araki K, Silva CA, Toma HE, Catalani LH, Medeiros MH, Di Mascio P. Zinc tetraruthenated porphyrin binding and photoinduced oxidation of calf-thymus DNA. Journal of Inorganic Biochemistry. 78: 269-73. PMID 10857906 DOI: 10.1016/S0162-0134(00)00053-2  1
2000 Toma HE, Serrasqueiro RM, Rocha RC, Demets GJF, Winnischofer H, Araki K, Ribeiro PEA, Donnici CL. Photophysical and photoelectrochemical properties of the bis(2,2′-bipyridine)(4,4′-dimethylthio-2,2′-bipyridine) ruthenium(II) complex Journal of Photochemistry and Photobiology a: Chemistry. 135: 185-191. DOI: 10.1016/S1010-6030(00)00293-8  1
1995 Araki K, Santos PS, de Oliveira LFC, Toma HE. Resonance Raman spectra of a supramolecular species containing four ruthenium(II)-bipyridine complexes attached to zinc-tetrapyridyl porphynate Spectroscopy Letters. 28: 119-126. DOI: 10.1080/00387019508011660  1
1993 Araki K, Santos PS, Toma HE. Electronic and resonance raman supectra of a multibridged iron porphyrin Spectroscopy Letters. 26: 1417-1426. DOI: 10.1080/00387019308011619  1
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