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1

Dolomitized cells within chert of the Permian Assistência Formation, Paraná Basin, Brazil

Calça, Cléber P., Fairchild, Thomas R., Cavalazzi, Barbara, Hachiro, Jorge, Petri, Setembrino, Huila, Manuel Fernando Gonzalez, Toma, Henrique E., Araki, Koiti

Journal:

Sedimentary Geology

Year:

2016

Language:

english

File:

PDF, 4.55 MB

english, 2016

2

Laser Patterning a Chem-FET Like Device on a V 2 O 5 Xerogel Film

Huila, Manuel F. G., Parussulo, Andre L. A., Armas, Luis E. G., Peres, Henrique E. M., Seabra, Antonio C., Ramirez-Fernandez, Francisco J., Araki, Koiti, Toma, Henrique E.

Journal:

IEEE Sensors Journal

Year:

2018

Language:

english

File:

PDF, 744 KB

english, 2018

3

Recent progress in water splitting and hybrid supercapacitors based on nickel-vanadium layered double hydroxides

GonÃ§alves, JosuÃ© M., Martins, Paulo R., Araki, Koiti, Angnes, Lucio

Journal:

Journal of Energy Chemistry

Year:

2020

File:

PDF, 14.31 MB

2020

4

Evaluation of sun protection factor of cosmetic formulations by a simple visual in vitro method mimicking the in vivo method

Leonardo R. de Paula, André L. A. Parussulo, Koiti Araki, Henrique E. Toma

Journal:

Journal of Pharmaceutical Sciences

Year:

2012

Language:

english

File:

PDF, 161 KB

english, 2012

5

Electrocatalytic activity of a new nanostructured polymeric tetraruthenated porphyrin film for nitrite detection

Herbert Winnischofer, Simone de Souza Lima, Koiti Araki, Henrique Eisi Toma

Journal:

Analytica Chimica Acta

Year:

2003

Language:

english

File:

PDF, 207 KB

english, 2003

6

Determination of sulfur dioxide in wines by gas-diffusion flow injection analysis utilizing modified electrodes with electrostatically assembled films of tetraruthenated porphyrin

Carla M.N Azevedo, Koiti Araki, Henrique E Toma, Lúcio Angnes

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 119 KB

english, 1999

7

Interaction of cationicmeso-porphyrins with liposomes, mitochondria and erythrocytes

Fabio M. Engelmann, Ildemar Mayer, Dino S. Gabrielli, Henrique E. Toma, Alicia J. Kowaltowski, Koiti Araki, Mauricio S. Baptista

Journal:

Journal of Bioenergetics and Biomembranes

Year:

2007

Language:

english

File:

PDF, 444 KB

english, 2007

8

Influence of the relative amounts of crystalline and amorphous phases on the mechanical properties of polyamide-6 nanocomposites

João Gargalaka Jr., Ricardo A. A. Couto, Vera R. L. Constantino, Henrique E. Toma, Koiti Araki

Journal:

Journal of Applied Polymer Science

Year:

2012

Language:

english

File:

PDF, 2.98 MB

english, 2012

9

Magnetic nanohydrometallurgy: A promising nanotechnological approach for metal production and recovery using functionalized superparamagnetic nanoparticles

Ulisses Condomitti, Andre Zuin, Alceu T. Silveira, Koiti Araki, Henrique E. Toma

Journal:

Hydrometallurgy

Year:

2012

Language:

english

File:

PDF, 512 KB

english, 2012

10

5-(1-(4-phenyl)-3-(4-nitrophenyl)triazene)-10,15,20-triphenylporphyrin: a new triazene-porphyrin dye and its spectroelectrochemical properties

Iglesias, Bernardo A., Hörner, Manfredo, Toma, Henrique E., Araki, Koiti

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

2012

Language:

english

File:

PDF, 657 KB

english, 2012

11

Layer-by-Layer Growth of Electrostatically Assembled Multilayer Porphyrin Films

Araki, Koiti, Wagner, Michael J., Wrighton, Mark S.

Journal:

Year:

1996

Language:

english

File:

PDF, 186 KB

english, 1996

12

Effect of silver nanoparticle and TiO2 coatings on biofilm formation on four types of modern glass

Shirakawa, Marcia A., John, Vanderley M., Mocelin, Andre, Zilles, Roberto, Toma, Sérgio H., Araki, Koiti, Toma, Henrique E., Thomaz, Ana Carla, Gaylarde, Christine C.

Journal:

International Biodeterioration & Biodegradation

Year:

2016

Language:

english

File:

PDF, 996 KB

english, 2016

13

Enhanced Stability and Conductivity of α- Ni(OH) 2 /Smectite Clay Composites

Nunes, Cícero V., Danczuk, Marins, Bortoti, Andressa A., Guimarães, Robson R., Gonçalves, Josué M., Araki, Koiti, Banczek, Everson do P., Anaissi, Fauze Jacó

Journal:

Journal of The Electrochemical Society

Year:

2016

Language:

english

File:

PDF, 869 KB

english, 2016

14

Preparação de compostos de alumínio a partir da bauxita: considerações sobre alguns aspectos envolvidos em um experimento didático

Constantino, Vera R. Leopoldo, Araki, Koiti, Silva, Denise de Oliveira, Oliveira, Wanda de

Journal:

Year:

2002

File:

PDF, 427 KB

2002

15

Bovine Serum Albumin Conjugated Gold-198 Nanoparticles as Model to Evaluate the Damage Caused by Ionizing Radiation to Biomolecules

Santos, Jonnatan J., Leal, Jessica, Dias, Luis A. P., Toma, Sergio Hiroshi, Corio, Paola, Genezini, Frederico A., Katti, Kattesh V, Araki, Koiti, Lugao, Ademar B.

Journal:

ACS Applied Nano Materials

Year:

2018

Language:

english

File:

PDF, 1.36 MB

english, 2018

16

The coordination chemistry at gold nanoparticles

Toma, Henrique E., Zamarion, Vitor M., Toma, Sergio H., Araki, Koiti

Journal:

Journal of the Brazilian Chemical Society

Year:

2010

Language:

english

File:

PDF, 842 KB

english, 2010

17

Effects of a strong π-accepting ancillary ligand on the water oxidation activity of weakly coupled binuclear ruthenium catalysts.

Matias, Tiago A, Rein, Francisca N, Rocha, Reginaldo C, Formiga, André Luiz Barboza, Toma, Henrique E., Araki, Koiti

Journal:

Dalton Transactions

Year:

2019

File:

PDF, 1.01 MB

2019

18

Orange-Emitting ZnSe:Mn 2+ Quantum Dots as Nanoprobes for Macrophages

Khan, Zahid Ullah, Uchiyama, Mayara Klimuk, Khan, Latif Ullah, Ramos-Sanchez, Eduardo Milton, Reis, Luiza Campos, Nakamura, Marcelo, Goto, Hiro, Souza, Ana Olivia De, Araki, Koiti, Brito, Hermi Felint

Journal:

ACS Applied Nano Materials

Year:

2020

File:

PDF, 3.06 MB

2020

19

Spectroscopic and electrochemical study of a tetrapyridylporphyrin modified with four bis-(1,10-phenanthroline)chlororuthenium(II) complexes

Koiti Araki, Adriano L. Araújo, Marcos M. Toyama, Marcelo Franco, Carla M. N. Azevedo, Lúcio Angnes, Henrique E. Toma

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

1998

Language:

english

File:

PDF, 141 KB

english, 1998

20

Electrostatically Assembled Films for Improving the Properties of Tetraruthenated Porphyrin Modified Electrodes

Carla M. N. Azevedo, Koiti Araki, Lúcio Angnes, Henrique E. Toma

Journal:

Electroanalysis

Year:

1998

Language:

english

File:

PDF, 148 KB

english, 1998

21

Electrochemical and binding properties of a meso-tetra(4-pyridyl)porphyrinatozinc supermolecule containing four µ3-oxo-triruthenium acetate clusters

Sergio Dovidauskas, Koiti Araki, Henrique E. Toma

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

2000

Language:

english

File:

PDF, 156 KB

english, 2000

22

Rectifying properties and photoconductivity of tetraruthenated nickel porphyrin films

Prof. Koiti Araki, Lúcio Angnes, Henrique E. Toma

Journal:

Advanced Materials

Year:

1995

Language:

english

File:

PDF, 632 KB

english, 1995

23

TiO2-Based Light-Driven XOR/INH Logic Gates

Luis F. O. Furtado, Anamaria D. P. Alexiou, Léia Gonçalves, Henrique E. Toma, Koiti Araki

Journal:

Angewandte Chemie

Year:

2006

Language:

english

File:

PDF, 156 KB

english, 2006

24

TiO2-Based Light-Driven XOR/INH Logic Gates

Luis F. O. Furtado, Anamaria D. P. Alexiou, Léia Gonçalves, Henrique E. Toma, Koiti Araki

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 156 KB

english, 2006

25

Bridging Nanogap Electrodes by In Situ Electropolymerization of a Bis(terthiophenylphenanthroline)ruthenium Complex

Koiti Araki, Hiroaki Endo, Gou Masuda, Takuji Ogawa

Journal:

Chemistry - A European Journal

Year:

2004

Language:

english

File:

PDF, 271 KB

english, 2004

26

ChemInform Abstract: Supramolecular Assemblies of Ruthenium Complexes and Porphyrins

Henrique E. Toma, Koiti Araki

Journal:

Year:

2000

File:

PDF, 24 KB

2000

27

ChemInform Abstract: Exploring the Supramolecular Coordination Chemistry Based Approach for Nanotechnology

Henrique E. Toma, Koiti Araki

Journal:

Year:

2010

File:

PDF, 15 KB

2010

28

ChemInform Abstract: The Coordination Chemistry at Gold Nanoparticles

Henrique E. Toma, Vitor M. Zamarion, Sergio H. Toma, Koiti Araki

Journal:

Year:

2011

File:

PDF, 20 KB

2011

29

Steric and Catalytic Effects in Tetraruthenated Manganese Porphyrins

Ildemar Mayer, Genebaldo S. Nunes, Henrique E. Toma, Koiti Araki

Journal:

European Journal of Inorganic Chemistry

Year:

2006

Language:

english

File:

PDF, 190 KB

english, 2006

30

Proton-Coupled Redox Chemistry, Oxidative Reactivity, and Electronic Characterization of Aqua-, Hydroxo-, and Oxo-Triruthenium Clusters

Genebaldo S. Nunes, Anamaria D. P. Alexiou, Koiti Araki, André L. B. Formiga, Reginaldo C. Rocha, Henrique E. Toma

Journal:

European Journal of Inorganic Chemistry

Year:

2006

Language:

english

File:

PDF, 825 KB

english, 2006

31

Controlled Stabilization and Flocculation of Gold Nanoparticles by Means of 2-Pyrazin-2-ylethanethiol and Pentacyanidoferrate(II) Complexes

Sergio H. Toma, Juliano A. Bonacin, Koiti Araki, Henrique E. Toma

Journal:

European Journal of Inorganic Chemistry

Year:

2007

Language:

english

File:

PDF, 258 KB

english, 2007

32

Supramolecular Approach to Gold Nanoparticle/Triruthenium Cluster Hybrid Materials and Interfaces

Sergio H. Toma, Jonnatan J. Santos, Koiti Araki, Henrique E. Toma

Journal:

European Journal of Inorganic Chemistry

Year:

2011

Language:

english

File:

PDF, 676 KB

english, 2011

33

Batch Injection Analysis Utilizing Modified Electrodes with Tetraruthenated Porphyrin Films for Acetaminophen Quantification

Maria S. M. Quintino, Koiti Araki, Henrique E. Toma, Lúcio Angnes

Journal:

Electroanalysis

Year:

2002

Language:

english

File:

PDF, 829 KB

english, 2002

34

Highly Sensitive Amperometric Glucose Sensors Based on Nanostructured α-Ni(OH)2 Electrodes

Paulo Roberto Martins, Michele Aparecida Rocha, Lúcio Angnes, Henrique Eisi Toma, Koiti Araki

Journal:

Electroanalysis

Year:

2011

Language:

english

File:

PDF, 1.05 MB

english, 2011

35

Superparamagnetic Carbon Electrodes: A Versatile Approach for Performing Magnetic Coupled Electrochemical Analysis of Mercury Ions

Ulisses Condomitti, Andre Zuin, Alceu T. Silveira, Sergio H. Toma, Koiti Araki, Henrique E. Toma

Journal:

Electroanalysis

Year:

2011

Language:

english

File:

PDF, 356 KB

english, 2011

36

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

Daniela M. Tomazela, Fabio C. Gozzo, Ildemar Mayer, Fábio M. Engelmann, Koiti Araki, Henrique E. Toma, Marcos N. Eberlin

Journal:

Journal of Mass Spectrometry

Year:

2004

Language:

english

File:

PDF, 204 KB

english, 2004

37

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

Vitor H. S. de Melo, Vitor M. Zamarion, Koiti Araki, Henrique E. Toma

Journal:

Journal of Raman Spectroscopy

Year:

2011

Language:

english

File:

PDF, 438 KB

english, 2011

38

Spectroelectrochemical analysis of overlapping redox processes in a tetrametallated iron porphyrin

Koiti Araki, Henrique E. Toma

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1991

Language:

english

File:

PDF, 368 KB

english, 1991

39

Electrochemistry of a tetraruthenated cobalt porphyrin and its use in modified electrodes as sensors of reducing analytes

Koiti Araki, Lúcio Angnes, Carla M.N. Azevedo, Henrique E. Toma

Journal:

Journal of Electroanalytical Chemistry

Year:

1995

Language:

english

File:

PDF, 649 KB

english, 1995

40

Magnetic coupled electrochemistry: Exploring the use of superparamagnetic nanoparticles for capturing, transporting and concentrating trace amounts of analytes

Ulisses Condomitti, Andre Zuin, Miguel A. Novak, Koiti Araki, Henrique Eisi Toma

Journal:

Electrochemistry Communications

Year:

2011

Language:

english

File:

PDF, 334 KB

english, 2011

41

Supramolecular tetracluster-cobalt porphyrin: a four-electron transfer catalyst for dioxygen reduction

Herbert Winnischofer, Vésper Yoshiyuki Otake, Sergio Dovidauskas, Marcelo Nakamura, Henrique Eisi Toma, Koiti Araki

Journal:

Electrochimica Acta

Year:

2004

Language:

english

File:

PDF, 228 KB

english, 2004

42

Multielectronic redox and electrocatalytic supramolecular films based on a tetraruthenated iron porphyrin

Ildemar Mayer, Marcelo Nakamura, Henrique E. Toma, Koiti Araki

Journal:

Electrochimica Acta

Year:

2006

Language:

english

File:

PDF, 405 KB

english, 2006

43

Fast and reliable analyses of sulphite in fruit juices using a supramolecular amperometric detector encompassing in flow gas diffusion unit

Paulo R. Martins, Welliton D. Popolim, Letícia A.F. Nagato, Emy Takemoto, Koiti Araki, Henrique E. Toma, Lúcio Angnes, Marilene De V.C. Penteado

Journal:

Year:

2011

Language:

english

File:

PDF, 1.06 MB

english, 2011

44

Study of the spectroscopic and electrochemical properties of tetraruthenated porphyrins by theoretical–experimental approach

Ildemar Mayer, André L.B. Formiga, Fábio M. Engelmann, Herbert Winnischofer, Pedro V. Oliveira, Daniela M. Tomazela, Marcos N. Eberlin, Henrique E. Toma, Koiti Araki

Journal:

Inorganica Chimica Acta

Year:

2005

Language:

english

File:

PDF, 628 KB

english, 2005

45

Determination of n-octanol/water partition and membrane binding of cationic porphyrins

Fábio M. Engelmann, Silvia V.O. Rocha, Henrique E. Toma, Koiti Araki, Maurício S. Baptista

Journal:

International Journal of Pharmaceutics

Year:

2007

Language:

english

File:

PDF, 290 KB

english, 2007

46

A new micro/nanoencapsulated porphyrin formulation for PDT treatment

Daiana K. Deda, Adjaci F. Uchoa, Eduardo Caritá, Maurício S. Baptista, Henrique E. Toma, Koiti Araki

Journal:

International Journal of Pharmaceutics

Year:

2009

Language:

english

File:

PDF, 1.25 MB

english, 2009

47

Amperometric sensor for glucose based on electrochemically polymerized tetraruthenated nickel-porphyrin

Maria do Socorro Maia Quintino, Herbert Winnischofer, Marcelo Nakamura, Koiti Araki, Henrique Eisi Toma, Lúcio Angnes

Journal:

Analytica Chimica Acta

Year:

2005

Language:

english

File:

PDF, 274 KB

english, 2005

48

Investigation of interfacial processes at tetraruthenated zinc porphyrin films using electrochemical surface plasmon resonance and electrochemical quartz crystal microbalance

Rodrigo A.A. Munoz, Sergio H. Toma, Henrique E. Toma, Koiti Araki, Lúcio Angnes

Journal:

Electrochimica Acta

Year:

2009

Language:

english

File:

PDF, 705 KB

english, 2009

49

Fluorescent tetraruthenated porphyrins embedded in monolithic SiO2 gels by the sol–gel process

Shirleny F. Santos, Marcelo L. Santos, Luis E. Almeida, Nivan B. Costa Jr., Iara F. Gimenez, Koiti Araki, Ildemar Mayer, Fabio Monaro Engelmann, Henrique Eisi Toma, Ledjane S. Barreto

Journal:

Journal of Colloid and Interface Science

Year:

2007

Language:

english

File:

PDF, 229 KB

english, 2007

50

Enhanced electrochemical and electrocatalytic activity of a new supramolecular manganese-porphyrin species containing four bis(bipyridine)(aqua)ruthenium(II) complexes

Koiti Araki, Herbert Winnischofer, Hélio E.B Viana, Marcos M Toyama, Fabio M Engelmann, Ildemar Mayer, André L.B Formiga, Henrique E Toma

Journal:

Journal of Electroanalytical Chemistry

Year:

2004

Language:

english

File:

PDF, 287 KB

english, 2004

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