H. Toma

A. L. B. Formiga, A. Nogueira, H. Winnischofer, 2004, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

Spectroelectrochemical characterization of organic and metal-organic compounds

H. Toma, K. Araki, 2002 .

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

P. R. Martins, M. A. Rocha, H. Toma, 2011 .

Photochemistry of doubly N-confused porphyrin bonded to non-conventional high oxidation state Ag(III) and Cu(III) ions

M. Baptista, A. Osuka, H. Toma, 2004 .

Doubly n-confused porphyrins as efficient sensitizers for singlet oxygen generation

M. Baptista, A. Osuka, H. Toma, 2003 .

1,3,4-Oxadiazole based ruthenium amphiphile for Langmuir-Blodgett films and photo-responsive logic gate construction

I. A. Hümmelgen, H. Winnischofer, H. Toma, 2020 .

Cobalt oxide/tetraruthenated cobalt-porphyrin composite for hydrogen peroxide amperometric sensors.

H. Winnischofer, H. Toma, K. Araki, 2005, The Analyst.

Ecofriendly synthesis of Zn-abietate complex derived from Pinus elliottii resin and its application as an antibacterial pigment against S. aureus and E. coli

C. Bittencourt, H. Toma, F. Anaissi, 2022, Dyes and Pigments.

Supramolecular Porphyrins as Electrocatalysts

H. Toma, K. Araki, 2006 .

A new highly efficient tetra-electronic catalyst based on a cobalt porphyrin bound to four μ3-oxo-ruthenium acetate clusters

H. Winnischofer, H. Toma, K. Araki, 2001 .

SYNTHESIS AND ELECTROCHEMICAL BEHAVIOR OF A TETRAMETALLATED COBALT PORPHYRIN

H. Toma, Araki Koiti, 1991 .

Spectroelectrochemical analysis of overlapping redox processes in a tetrametallated iron porphyrin

H. Toma, K. Araki, 1991 .

Electrochemical properties of assembled polypyrrole/V2O5 xerogel films

G. Demets, H. Toma, F. Anaissi, 2000 .

Control of cytolocalization and mechanism of cell death by encapsulation of a photosensitizer.

M. Baptista, H. Toma, K. Araki, 2013, Journal of biomedical nanotechnology.

New hydrazine sensors based on electropolymerized meso-tetra(4-sulphonatephenyl)porphyrinate manganese(III)/silver nanomaterial.

H. Toma, K. Araki, L. Angnes, 2008, Talanta.

Amperometric quantification of sodium metabisulfite in pharmaceutical formulations utilizing tetraruthenated porphyrin film modified electrodes and batch injection analysis.

H. Toma, K. Araki, L. Angnes, 2006, Talanta.

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

H. Winnischofer, H. Toma, K. Araki, 2005 .

Lipophilic magnetite nanoparticles coated with stearic acid: A potential agent for friction and wear reduction

S. Toma, H. Toma, K. Araki, 2017 .

Singlet oxygen quantum yields (Φd) in water using beetroot extract and an array of LEDs

M. Baptista, H. Toma, J. Bonacin, 2009 .

Surface enhanced Raman spectroelectrochemistry of a μ-oxo triruthenium acetate cluster: an experimental and theoretical approach.

S. Toma, H. Toma, K. Araki, 2015, Inorganic chemistry.

SERS studies of isolated and agglomerated gold nanoparticles functionalized with a dicarboxybipyridine-trimercaptotriazine-ruthenium dye

A. L. Parussulo, H. Toma, K. Araki, 2014 .

Non-innocent behavior of 1-(2′-pyridylazo)-2-naphtholate coordinated to polypyridine ruthenium(II) complexes

H. Toma, Tiago A. Matias, J. Bonacin, 2014 .

Electrochemical detection of NADH and dopamine in flow analysis based on tetraruthenated porphyrin modified electrodes

H. Toma, K. Araki, L. Angnes, 1996 .

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

S. Toma, H. Toma, K. Araki, 2009 .

CoTRP/Graphene oxide composite as efficient electrode material for dissolved oxygen sensors

M. Bertotti, H. Toma, K. Araki, 2016 .

Catalytic properties of thioredoxin immobilized on superparamagnetic nanoparticles.

H. Toma, K. Araki, L. Netto, 2011, Journal of inorganic biochemistry.

Efficient electrochemical biosensors for ethynylestradiol based on the laccase enzyme supported on single walled carbon nanotubes decorated with nanocrystalline carbon quantum dots

S. Machado, H. Toma, Fernando H. Cincotto, 2016 .

Hydrometallurgy Nanohydrometallurgical Extraction of Gold Based on Ranelate Induced Nanoparticles Formation

H. Toma, Marcelo Nakamura, João V. Mattioni, 2022, SSRN Electronic Journal.

Probing magnetic and gold nanoparticles by using MAClevers® as ultrasensitive sensors.

H. Toma, K. Araki, Marcelo Nakamura, 2010, Nanoscale.

Unveiling the structure of polytetraruthenated nickel porphyrin by Raman spectroelectrochemistry.

P. R. Martins, H. Toma, K. Araki, 2015, Langmuir : the ACS journal of surfaces and colloids.

Charge transfer at electrostatically assembled tetraruthenated porphyrin modified electrodes

M. Bertotti, G. Demets, H. Toma, 2002 .

Catalytic oxidation of hydrocarbons by trinuclear μ-oxo-bridged ruthenium-acetate clusters : Radical versus non-radical mechanisms

H. Toma, G. S. Nunes, A. Alexiou, 2008 .

Protomers: formation, separation and characterization via travelling wave ion mobility mass spectrometry.

M. Eberlin, J. Szulejko, H. Toma, 2012, Journal of mass spectrometry : JMS.

Conduction and photoelectrochemical properties of monomeric and electropolymerized tetraruthenated porphyrin films

A. Nogueira, H. Winnischofer, H. Toma, 2005, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

Lipase immobilized on polydopamine-coated magnetite nanoparticles for biodiesel production from soybean oil

M. Andrade, A. L. Parussulo, H. Toma, 2016 .

Superparamagnetic nanoparticles as versatile carriers and supporting materials for enzymes

H. Toma, L. Andrade, C. G. C. M. Netto, 2013 .

Photophysical and photoelectrochemical properties of the bis(2,2′-bipyridine)(4,4′-dimethylthio-2,2′-bipyridine)ruthenium(II) complex

R. C. Rocha, G. Demets, H. Winnischofer, 2000 .

Chemistry of ternary monocarboxyterpyridine-bipyridine-trimercaptotriazine ruthenium complexes and application in dye sensitized solar cells

H. Toma, Robson R. Guimarães, Juan S. Aguirre-Araque, 2020 .

Catecholamine complexes of ruthenium-edta and their redox chemistry.

R. C. Rocha, H. Toma, F. N. Rein, 2001, Journal of inorganic biochemistry.

REDOX AND pH-INDUCED SWITCHING OF THE COORDINATION SITES IN THE 3-HYDROXYPICOLINATE RUTHENIUM(III)-edta COMPLEX

R. C. Rocha, H. Toma, F. N. Rein, 2001 .

Synthesis, electrochemistry, spectroscopy and photophysical properties of a series of meso-phenylpyridylporphyrins with one to four pyridyl rings coordinated to [Ru(bipy)2Cl]+ groups

H. Winnischofer, H. Toma, K. Araki, 2002 .

Magnetic behavior of superparamagnetic nanoparticles containing chelated transition metal ions

H. Toma, D. Cornejo, F. M. Melo, 2019, Journal of Magnetism and Magnetic Materials.

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

H. Toma, K. Araki, L. Angnes, 1998 .

Fluorescent Cdots(N)-Silica composites: Direct synthesis and application as electrochemical sensor of fenitrothion pesticide

H. Toma, J. Gonçalves, Thiago C. Canevari, 2021 .

Magnetic alignment of rhodamine/magnetite dual-labeled microtubules probed with inverted fluorescence microscopy.

H. Toma, Daniel Oliveira, F. M. Melo, 2022, Anais da Academia Brasileira de Ciencias.

One-pot single step to label microtubule with MPA-capped CdTe quantum dots.

H. Toma, Daniel Oliveira, F. D. de Melo, 2018, Micron.

Synthesis, properties and gas phase collision-induced dissociation of the heptanuclear doubly bridged complex [Ru(bpy)2(BPE)2{Ru3O(CH3COO)6(py)2}2](PF6)4

M. Eberlin, H. Toma, S. Nikolaou, 2005 .

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.

F. Gozzo, M. Eberlin, H. Toma, 2004, Journal of mass spectrometry : JMS.

Improving the catalytic activity of formate dehydrogenase from Candida boidinii by using magnetic nanoparticles

H. Toma, Marcelo Nakamura, L. Andrade, 2012 .

Direct synthesis of magnetite nanoparticles from iron(II) carboxymethylcellulose and their performance as NMR contrast agents

A. Magalhães, S. Toma, H. Toma, 2016 .

Bisphenol-A electronalysis employing carbon coated superparamagnetic nanoparticles for adsorption and magnetic concentration onto screen-printed electrodes

H. Toma, João V. Mattioni, Ulisses Condomitti, 2017 .

Correlation of Mossbauer and Charge-Transfer Spectra of Bis(Dimethylglyoximato)Iron(II) Complexes Containing Axial N-Heterocyclic Ligands

H. Toma, L. Morino, H. R. Rechemberg, 1989 .

Quantum-Dot-Based Iron Oxide Nanoparticles Activate the NLRP3 Inflammasome in Murine Bone Marrow-Derived Dendritic Cells

R. Mortara, H. Toma, E. G. Rodrigues, 2022, Nanomaterials.

Electrocatalysis on tetraruthenated nickel and cobalt porphyrins electrostatic assembled films

H. Toma, K. Araki, Ildemar Mayer, 2006 .

On the Amazing Reactivity of the Ranelate Ion: New Applications of an Old Antiosporotic Drug

H. Toma, J. C. Rocha, A. A. Braga, 2019 .

Ultrasensitive SERS nanoprobes for hazardous metal ions based on trimercaptotriazine-modified gold nanoparticles.

R. A. Timm, H. Toma, K. Araki, 2008, Inorganic chemistry.

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

H. Toma, K. Araki, Marcelo Nakamura, 2006 .

Steric and Catalytic Effects in Tetraruthenated Manganese Porphyrins

H. Toma, K. Araki, Ildemar Mayer, 2006 .

Kinetics and mechanism of cyclohexane oxidation catalyzed by supramolecular manganese(III) porphyrins

H. Toma, K. Araki, Ildemar Mayer, 2005 .

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

H. Winnischofer, H. Toma, K. Araki, 2004 .

Spectroscopy, electrochemistry and catalytic properties of rutheniumII complexes containing the tetradentate Schiff base ligand N,N′-bis(7-methyl-2-pyridylmethylene)-1,3-diiminopropane

R. C. Rocha, H. Toma, G. S. Nunes, 2003 .

(5,10,15,20-Tetra(4-pyridil)porphinato)manganese(III) acetate modified by four μ3-oxo-triruthenium acetate clusters: synthesis, characterization, electrochemical behavior and catalytic activity

H. Toma, K. Araki, Y. Iamamoto, 2000 .

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

H. Winnischofer, H. Toma, K. Araki, 2003 .

Anisotropic magnetic carbon materials based on graphite and magnetite nanoparticles

S. Toma, H. Toma, K. Araki, 2014 .

Silver recovery using electrochemically active magnetite coated carbon particles

S. Toma, H. Toma, K. Araki, 2014 .

Effect of Gold Nanoparticles and Unwanted Residues on Raman Spectra of Graphene Sheets

J. W. Menezes, H. Toma, K. Araki, 2018, Brazilian Journal of Physics.

Electrochemically activated coordenative assembly of a triruthenium cluster metallopolymer

S. Toma, H. Toma, K. Araki, 2012 .

Spectroscopic and electrochemical behavior of a supramolecular tetrapyridylporphyrin encompassing four terpyridine(oxalate)chloridoruthenium(II) complexes and its use in nitrite sensors

H. Toma, J. Bonacin, Kalil C. F. Toledo, 2015 .

Spectroscopic and electrochemical properties of iron(II) complexes of polydentate Schiff bases containing pyrazine, pyridine and imidazole groups.

H. Toma, H. Rechenberg, J. Bonacin, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Asymmetric mixed-valence binuclear ruthenium complexes containing benzotriazolate or benzimidazolate bridging ligands

R. C. Rocha, H. Toma, 2000 .

Exploring the metallochromic behavior of pentacyanidoferrates in visual, electronic and Raman spot tests.

H. Toma, S. N. Almeida, D. Grasseschi, 2019, Anais da Academia Brasileira de Ciencias.

Acid–base and spectroscopic properties of a novel supramolecular porphyrin bonded to four pentacyanoferrate(II) groups

H. Winnischofer, H. Toma, K. Araki, 2002 .

Spectroelectrochemistry of the hexanuclear cluster [Ru3O(acetate)6-μ-(pyrazine)3-{Fe(CN)5}3]n− and of its modified nickel electrode in aqueous solution

H. Toma, C. Cipriano, F. Matsumoto, 1993 .

Improving the lithium recovery using leached beta-spodumene residues processed by magnetic nanohydrometallurgy

H. Toma, Marcelo Nakamura, B. Brandão, 2022, Minerals Engineering.

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

H. Toma, K. Araki, L. Angnes, 2002 .

Synthesis of 4,4′-di(mercaptomethylthio)-2,2′-bipyridine and in situ spectroscopic characterization of its electropolymerized films †

G. Demets, H. Toma, C. Donnici, 2001 .

Simultaneous determination of acetaminophen and tyrosine using a glassy carbon electrode modified with a tetraruthenated cobalt(II) porphyrin intercalated into a smectite clay

E. Ngameni, H. Toma, K. Araki, 2016, Microchimica Acta.

N3-dye-induced visible laser anatase-to-rutile phase transition on mesoporous TiO2 films.

A. L. Parussulo, H. Toma, K. Araki, 2011, Langmuir : the ACS journal of surfaces and colloids.

Sensitization of TiO(2) by supramolecules containing zinc porphyrins and ruthenium-polypyridyl complexes.

A. Nogueira, H. Toma, K. Araki, 2004, Inorganic chemistry.

Intervalence transfer in a new benzotriazolate bridged ruthenium-iron complex

R. C. Rocha, H. Toma, 2001 .

Amperometric detection of nitrite and nitrate at tetraruthenated porphyrin-modified electrodes in a continuous-flow assembly

M. Bertotti, H. Toma, K. Araki, 2002 .

Iron(II) catalysis in the oxidation of the aquopentacyanoferrate(II) complex by molecular oxygen

H. Toma, 1975 .

Probing surface-complex interactions with the bis(4-thienylterpyridine)iron(II) complex anchored on TiO2 and gold nanoparticles

S. Toma, H. Toma, V. M. Zamarion, 2014 .

Magnetite Nanoparticles Bonded Carbon Quantum Dots Magnetically Confined onto Screen Printed Carbon Electrodes and Their Performance as Electrochemical Sensor for NADH.

H. Toma, R. Landers, Thiago C. Canevari, 2017 .

Overcoming lithium analysis difficulties with a simple colorimetric/spectrophotometric method.

H. Toma, Alceu T. Silveira, Lucas F. Quartarolli, 2021, Analytical methods : advancing methods and applications.

Introducing Environmental and Sustainable Chemistry Topics Using a Nanotechnology Approach: Removing Hazardous Metal Ions by Means of Humic-Acid-Modified Superparamagnetic Nanoparticles

H. Toma, D. G. D. Silva, F. M. Melo, 2016 .

Mixed-valence properties of Ruthenium–Polypyridine dimers bridged by Imidazolate and Triazolate Ligands

R. C. Rocha, H. Toma, 2004 .

Long-term aging of vanadium(V) oxide xerogel precursor solutions: structural and electrochemical implications

M. Politi, G. Demets, H. Toma, 2001 .

Functionalized nanoparticles as adjuvant to increase the cytotoxicity of metallodrugs toward tumor cells

F. Forti, H. Toma, M. Temperini, 2019, New Journal of Chemistry.

Lipophilic magnetite nanoparticles coated with stearic acid: A potential green and low cost way to improve thermal stability and tribological properties of fully formulated low viscosity engine oils

H. Toma, T. Cousseau, A. Sinatora, 2020, Tribology International.

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

H. Toma, K. Araki, V. Constantino, 2012 .

Association of Pseudomonas putida formaldehyde dehydrogenase with superparamagnetic nanoparticles: an effective way of improving the enzyme stability, performance and recycling

H. Toma, L. Andrade, C. G. C. M. Netto, 2015 .

A nitric oxide releaser based on the μ-oxo-hexaacetate-bis(4-methylpyridine)triruthenium nitrosyl complex

M. Eberlin, H. Toma, Marcelo Nakamura, 2005 .

Triangular ruthenium acetate clusters containing the bis(pyridyl)propane ligand and their inclusion chemistry with β-cyclodextrin

S. Toma, H. Toma, K. Araki, 2011 .

A nano-magnetic electrochemical sensor for the determination of mood disorder related substances

H. Toma, F. Moraes, O. Fatibello‐Filho, 2018, RSC advances.

CO2 Complexation and Activation by a Trost-Bis(ProPhenol)Cobalt Complex

H. Toma, C. G. C. M. Netto, Caterina G. C. M. Netto, 2013 .

Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films

H. Winnischofer, H. Toma, K. Araki, 2009 .

Electronic Spectra of a Series of Iron(II) α-iminooxime Macrocyclic Complexes Containing Axial N-Heterocyclic Ligands

H. Toma, F. S. Nunes, 1992 .

Electronic spectra and electrochemical properties of bis(dimethylglyoximato)iron(II) complexes containing axialN-heterocyclic ligands

H. Toma, L. Morino, 1990 .

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

H. Toma, S. Dovidauskas, Koiti Arakia, 2000 .

Strong electric fields promote oriented intercalative polymerization of pyrrole inside the lamellar matrices of vanadium pentoxide

G. Demets, H. Toma, 2003 .

An unusual vanadium(II) promoted hydrogenation of a magnesium tetraiminediphenolate compound yielding an asymmetric oxovanadium(IV) macrocyclic complex

H. Toma, A. Mangrich, Tai Hasegawa, 2004 .

Effect of ethanol concentrations on few layer Schottky graphene transistors

H. Toma, A. Seabra, H. Peres, 2013 .

Can mass dissociation patterns of transition-metal complexes be predicted from electrochemical data?

M. Eberlin, S. Toma, H. Toma, 2009, Journal of mass spectrometry : JMS.

Unravelling the nature of the spongy dark material in aged Turkevich gold nanoparticles colloidal solutions by CytoViva® dark-field imaging and HRTEM analysis.

H. Toma, Marcelo Nakamura, F. D. de Melo, 2019, Micron.

Lanthanide ion processing from monazite based on magnetic nanohydrometallurgy

H. Toma, S. N. Almeida, 2019, Hydrometallurgy.

Neodymium(III) and lanthanum(III) separation by magnetic nanohydrometallurgy using DTPA functionalized magnetite nanoparticles

H. Toma, S. N. Almeida, 2016 .

Spectroscopic and electrochemical studies on (2-hydroxypicolinate)-bis(2,2′-bipyridine)ruthenium(II) and related complexes

H. Toma, L. F. Oliveira, P. Santos, 1994 .

Vibrational spectra and theoretical studies of tautomerism and hydrogen bonding in the violuric acid and 6-amino-5-nitrosouracil system

H. Toma, J. Bonacin, A. Formiga, 2007 .

Reduction of ferricytochrome-c by Co(II)-sepulchrate

H. Toma, R. A. Murakami, 1984 .

Structure, spectroscopy and electrochemistry of the bis(2,2′-bipyridine)(salicylato)ruthenium(II) complex

R. C. Rocha, H. Toma, L. F. Oliveira, 1999 .

Electrochemical and spectroelectrochemical studies of ruthenium–edta complexes with aromatic diamines and their α-diimine derivatives

R. C. Rocha, H. Toma, F. N. Rein, 2003 .

Enzymatic kinetic resolution of (RS)-1-(Phenyl)ethanols by Burkholderia cepacia lipase immobilized on magnetic nanoparticles

H. Toma, L. Andrade, C. G. C. M. Netto, 2010 .

Preparation and characterization of (3-aminopropyl) triethoxysilane-coated magnetite nanoparticles

H. Toma, Marcelo Nakamura, L. Sampaio, 2004 .

Redox properties of ruthenium(III/II)–edta complexes with o-phenylenediamine and o-benzoquinone diimine ligands

R. C. Rocha, H. Toma, F. N. Rein, 2002 .

Use of the transform method in the interpretation of the Raman excitation profiles of a bichromophoric system

H. Toma, L. F. Oliveira, P. Santos, 1993 .

Resonance Raman spectra of tris(violurate)ruthenium(II) and of mixed (violurate)bis(2,2′‐bipyridine)ruthenium(II) complexes

H. Toma, P. Santos, V. Constantino, 1992 .

Supramolecular assemblies of ruthenium complexes and porphyrins

H. Toma, K. Araki, 2000 .

A theoretical study of the tautomerism and vibrational spectra of 4,5-diamine-2,6-dimercaptopyrimidine

R. A. Timm, H. Toma, J. Bonacin, 2008 .

Intervalence, electron transfer and redox properties of a triazolate-bridged ruthenium-polypyridine dinuclear complex

R. C. Rocha, H. Toma, 2003 .

Correlations of Mössbauer and visible-UV spectra with the aqueous substitution reactivity of several substituted pentacyanoferrate(II) complexes

E. Fluck, H. Toma, E. Giesbrecht, 1975 .

The tris(picolinate)vanadate(II) ion: Redox properties and electron transfer kinetics with cobalt(III) amines

H. Toma, Fernando T. P. Lellis, 1985 .

KINETICS AND EQUILIBRIUM STUDIES OF IRON(II) COMPLEXES WITH PYRAZINECARBOXYLATE AND 1,10 BIPYRIDYL LIGANDS

H. Toma, R. H. Borges, 1981 .

Highly conductive electrostatically assembled porphyrazine films

G. Demets, H. Toma, K. Araki, 2000 .

ZINDO/S Calculations and Resonance Raman Spectra of the Bis(2,6-diacetylmethyliminepyridine)iron(II) Complex

H. Toma, D. Faria, I. H. Kuwabara, 1996 .

Electronic and RAMAN Spectra of an Iron-Dioximato Polymer

H. Toma, P. Santos, L. Morino, 1991 .

Electronic and resonance Raman spectra of iron(II)—tetraazamacrocyclic complexes containing N-heterocyclic ligands

H. Toma, P. Santos, E. Stadler, 1988 .

Electrochemical and corrosion studies of poly(nickel-tetraaminophthalocyanine) on carbon steel

H. Toma, F. Anaissi, I. Aoki, 2006 .

Binding of Pentaammineruthenium(II) Residues to the Tris(bipyrazine)ruthenium(II) Cation.

M. N. Golovin, A. Lever, H. Toma, 1987 .

Spectroscopic and kinetic studies on a series of di- to heptanuclear tris(bipyrazine)ruthenium(II)-pentacyanoferrate(II) complexes in aqueous solution

A. Lever, H. Toma, 1986 .

Pentacyanoferrate(II) complexes: evaluation of their formal potentials and mechanism of their quenching of tris(2,2'-bipyridine)ruthenium(II) luminescence

C. Creutz, H. Toma, 1977 .

Kinetics of formation and stability constants of some pentacyanoferrate(II) complexes of aromatic nitrogen heterocycles

H. Toma, J. M. Malin, 1973 .

Ion pentacyano(dimethyl sulfoxide)ferrate(II). Synthesis, characterization and substitution kinetics in aqueous solution

H. Toma, E. Giesbrecht, J. M. Malin, 1973 .

TOTAL ASSIGNMENT OF 1H AND 13C NMR SPECTRA OF A BRIDGED TRIRUTHENIUM CLUSTER-POLYPYRIDINE DIMER BASED ON 2D (COSY, HMQC, AND HMBC) TECHNIQUES

H. Toma, S. Nikolaou, M. Uemi, 2001 .

On the reactivity of precursor complexes in the system pentacyanoferrate(II) and pentaammine(dimethylsulfoxide)cobalt(III)

H. Toma, L. A. Oliveira, E. Giesbrecht, 1977 .

Self-exchange rates and electron transfer kinetics of horse heart ferricytochrome c with amino acid-pentacyanoferrate(II) complexes

H. Toma, A. Batista, 1984 .

Tg, dta and hplc studies of the thermal de composition of the bis (4-carboxymethyl pyridine) bis (dimethyl glyoximato) iron (ii) complex

H. Toma, M. C. Silva, L. Morino, 1989 .

NMR Spectroscopic Correlations for a Series of Triangularµ-Oxoruthenium Acetate Clusters containing SubstitutedPyridine Ligands†

H. Toma, A. Alexiou, 1997 .

Spectroelectrochemical behaviour of the trinuclear [Ru3O(O2CCH3)6(isonicotinamide)3] cluster

H. Toma, C. Cunha, 1989 .

Synthesis, spectroscopy, tandem mass spectrometry, and electrochemistry of the linearly bridged μ-{trans-1,4-bis[2-(4-pyridyl)ethenyl]-benzene}-{Ru3O(CH3COO)6(py)2}2 cluster

M. Eberlin, S. Toma, H. Toma, 2004 .

Synthesis and characterization of a polymetallic supermolecule containing four ruthenium(II)-bipyridine complexes attached to an iron(II) polyimine center

H. Toma, T. Chavez-Gil, T. Chávez-Gil, 1997 .

Chromatographic, spectroscopic and electrochemical characterization of geometrical isomers of the dichlorobis(2,6-dimethylpyrazine)bis(dimethylsulphoxide)ruthenium(II) complex

H. Toma, D. Oliveira, 1991 .

Catechol incorporation and detection using bentonite-vanadium(V) oxide xerogels

H. Toma, F. Anaissi, 2005 .

Changing the electrochemical behavior of catechols by means of their conversion into the corresponding ruthenium(III)–dioxolene complexes

R. C. Rocha, H. Toma, F. N. Rein, 2000 .

Synthesis of a Naphthalimide Functionalized Calix[4]arene; A Host Type Fluorophore for Inclusion Compounds in Organic Medium

M. Politi, A. T. Cruz, G. Demets, 2005 .

Mixed valence properties of a pyrazine bridged ruthenium–iron complex

H. Toma, P. Santos, 1977 .

Dissociation kinetics of pentacyanoiron(II) complexes of ammonia and methylamine

H. Toma, J. M. Malin, 1974 .

Elution behavior of N-heterocyclic derivatives of mixed ruthenium(II)-sulfoxide complexes in reversed-phase high-performance liquid chromatography

H. Toma, D. O. Silva, 1991 .

Synthesis, characterization and reactivity of trans-[RuCl(NO)(bpydip)]2+{bpydip = N,N′-bis(7-methyl-2-pyridylmethylene)-1,3-diiminopropane}: a novel nitrosyl ruthenium complex displaying high electronic delocalization

H. Toma, A. M. Ferreira, V. R. Souza, 2003 .

FTIR Spectroelectrochemical Investigation of the trans-[Ru(NO)(dimethylglyoximate)2Cl] Complex: Vibrational Characterization of the NO+/0 and RuIII/II Redox Couples

H. Toma, I. Bagatin, 1996 .

Benzotriazolate-bridged ruthenium dinuclear and trinuclear complexes

R. C. Rocha, H. Toma, 2002 .

Evidence for an unusual association between two cations in aqueous solution

H. Toma, J. M. Malin, 1972 .

Properties and reactivity of some pentacyanoferrate(II) complexes of aromatic nitrogen heterocycles

H. Toma, J. M. Malin, 1973 .

Carbon-13 and proton nuclear magnetic resonance spectra of some pentacyanoferrate(II) complexes

H. Toma, C. F. Schmidt, J. M. Malin, 1975 .

Ligand field photochemistry of substitutionally inert pentacyanoferrate(II) complexes

N. M. Iha, H. Toma, J. F. D. Lima, 1989 .

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

H. Winnischofer, H. Toma, K. Araki, 2004 .

A trinuclear bis(dioximate)(chloro)(nitrosyl)ruthenium(II) complex containing two (2,2′-bipyridine)copper(II) groups

H. Toma, I. Bagatin, 2000 .

Intervalence electron transfer spectra of several iron(III) and copper(II) pentacyanoferrate(II) complexes

H. Toma, 1976 .

Reactions of the bis(ethylenediamine)-(pyrazinecarboxylate)cobalt(III) complex with the aquopentacyanoferrate(III) and pentacyanocobaltate(II) ions

H. Toma, 1975 .

Exploring the Supramolecular Coordination Chemistry‐Based Approach for Nanotechnology

H. Toma, K. Araki, 2009 .

Modulation of vectorial energy transfer in the tetrakis[tris(bipyridine)ruthenium(II)]porphyrinate zinc complex

H. Winnischofer, H. Toma, K. Araki, 2001 .

Polymethine cyanine dyes in β‐cyclodextrin solution: multiple equilibria and chemical oxidation

M. Baptista, S. Toma, H. Toma, 2010 .

A calix[4]arene receptor modified with 8-hydroxyquinoline for supramolecular energy transfer

H. Toma, I. Bagatin, 2000 .

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

H. Toma, K. Araki, L. Angnes, 1999 .

Neighboring effects in the ligand field photochemistry of the pentacyano(ethylenediamine)ferrate(II) complex

N. M. Iha, H. Toma, 1982 .

Self assembled rotaxane and pseudo-rotaxanes based on beta-cyclodextrin inclusion compounds with trans-1,4-bis[(4-pyridyl)ethenyl]benzene-pentacyanoferrate(II) complexes

S. Toma, H. Toma, 2007 .

Spectroelectrochemical and photophysical properties of a (3,4-pyridyl) porphyrazine supermolecule containing four [Ru(bipy)2Cl]+ groups

H. Toma, K. Araki, L. Catalani, 1998 .

Zinc tetraruthenated porphyrin binding and photoinduced oxidation of calf-thymus DNA.

H. Toma, P. Di Mascio, M. Medeiros, 2000, Journal of inorganic biochemistry.

Electrochemistry of a tetraruthenated iron porphyrin and its electrostatically assembled bilayered films

H. Toma, K. Araki, 1999 .

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

H. Toma, K. Araki, L. Angnes, 1998 .

Supramolecular Cationic Tetraruthenated Porphyrin and Light‐Induced Decomposition of 2‐Deoxyguanosine Predominantly Via a Singlet Oxygen‐Mediated Mechanism

J. Cadet, J. Ravanat, H. Toma, 1998, Photochemistry and photobiology.

Supramolecular Cationic Tetraruthenated Porphyrin Induces Single‐Strand Breaks and 8‐Oxo‐7,8‐dihydro‐2′‐deoxyguanosine Formation in DNA in the Presence of Light

H. Toma, K. Araki, M. Medeiros, 1996, Photochemistry and photobiology.

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

H. Toma, K. Araki, L. Angnes, 1995 .

SYNTHESIS AND CHARACTERIZATION OF A MULTIBRIDGED PORPHYRIN COMPLEX CONTAINING PERIPHERAL BIS(BIPYRIDINE)-RUTHENIUM(II) GROUPS

H. Toma, K. Araki, 1993 .

Nanoporous Gold‐Based Materials for Electrochemical Energy Storage and Conversion

M. Bertotti, Abhishek Kumar, P. R. Martins, 2021 .

Acid-base and spectroelectrochemical properties of doubly N-confused porphyrins.

H. Winnischofer, H. Toma, H. Furuta, 2001, Inorganic chemistry.

Selective host–guest interactions on mesoporous TiO2 films modified with carboxymethyl-β-cyclodextrin

S. Toma, H. Toma, K. Araki, 2006 .

Mixed 8-oxyquinolinecalix[4]arene/phenanthroline receptors as luminescence sensors for zinc(II) ions

A. Ito, H. Toma, I. Bagatin, 2003 .

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

H. Toma, K. Araki, V. M. Zamarion, 2011 .

Ion association and charge-transfer excitation between N-heterocyclic cations and cyanoiron complexes

H. Toma, 1979 .

Unusual Photooxidation of S-Bonded Mercaptopyridine in a Mixed Ligand Ruthenium(II) Complex with Terpyridine and Bipyridine Ligands.

H. Toma, A. A. Braga, Baptiste Laramée-Milette, 2018, Inorganic chemistry.

Molecular materials and devices: developing new functional systems based on the coordination chemistry approach

H. Toma, 2003 .

Undergraduate kinetics experiment demonstrating unusual behavior of kobs

H. Toma, E. Giesbrecht, J. M. Malin, 1977 .

Preferential solvation effects in the substitution kinetics of the (2,6 dimethyl pyrazine)pentacyanoferrate(II) complex

H. Toma, M. Takasugi, 1989 .

Photochemical behavior of the dichlorobis (dimethylsulfoxide) bis-(t-butylpyridine) ruthenium (II) complex

H. Toma, D. O. Silva, J. J. Saika, 1998 .

Spectroelectrochemical behavior of N-confused dioxohexaphyrins

H. Toma, K. Araki, A. Srinivasan, 2005 .

ELECTROCHEMISTRY AND SPECTROELECTROCHEMISTRY OF AN α-IMINOOXIME IRON(II) MACROCYCLIC COMPLEX

H. Toma, F. S. Nunes, 1995 .

Confocal Raman and electronic microscopy studies on the topotactic conversion of calcium carbonate from Pomacea lineate shells into hydroxyapatite bioceramic materials in phosphate media.

H. Toma, K. Araki, M. G. Huila, 2010, Micron.

Modified electrodes based on mixed bentonite vanadium(V) oxide xerogels

G. Demets, H. Toma, F. Anaissi, 1999 .

Structural characterization and thermal behavior of lanthanide(III)-vanadium(V)-oxide xerogels

H. Toma, F. Anaissi, H. Oliveira, 1998 .

Absorption and Luminescence Spectra of Tetra (3-Pyridyl)Porphyrazine: A Convergent Spectroscopic Method for the Elucidation of Association Reactions in Solution

H. Toma, K. Araki, M. Toyama, 1998 .

Kinetics of oxidation of free and coordinated dimethylsulfoxide with permanganate in aqueous solution

H. Toma, L. A. Oliveira, E. Giesbrecht, 1976 .

Confocal Raman microscopy and hyperspectral dark field microscopy imaging of chemical and biological systems

Henrique E. Toma, Jorge da Silva Shinohara, Daniel Grasseschi, 2015, Photonics West - Biomedical Optics.

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

B. Cavalazzi, H. Toma, K. Araki, 2016 .

Thermal decomposition of bis(dimethylglyoximate) iron(II) complexes containing axial N-heterocyclic ligands

H. Toma, L. Morino, 1990 .

Pushing the surface-enhanced Raman scattering analyses sensitivity by magnetic concentration: a simple non core-shell approach.

S. Toma, H. Toma, K. Araki, 2015, Analytica chimica acta.

Kinetic resolution of a drug precursor by Burkholderia cepacia lipase immobilized by different methodologies on superparamagnetic nanoparticles

H. Toma, L. Andrade, C. G. C. M. Netto, 2010 .

Trimetallic oxides/hydroxides as hybrid supercapacitor electrode materials: a review

P. R. Martins, H. Toma, K. Araki, 2020 .

Correlation of photodynamic activity and singlet oxygen quantum yields in two series of hydrophobic monocationic porphyrins

M. Baptista, H. Toma, K. Araki, 2012 .

A new micro/nanoencapsulated porphyrin formulation for PDT treatment.

M. Baptista, H. Toma, K. Araki, 2009, International journal of pharmaceutics.

Spectroscopic and kinetic study of the reaction of trans-nitrosylchlorobis(dimethylglyoximate)ruthenium(II) with acetone in the presence of amines

H. Toma, I. Bagatin, 1996 .

Amperometric Folic Acid Quantification Using a Supramolecular Tetraruthenated Nickel Porphyrin µ‐Peroxo‐Bridged Matrix Modified Electrode Associated to Batch Injection Analysis

P. R. Martins, H. Toma, K. Araki, 2015 .

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

P. R. Martins, H. Toma, K. Araki, 2011 .

PdNPs/carbon dots/silica hybrid nanostructures: the development of an electrochemical sensor for simultaneous determination of dopamine and serotonin in real samples

H. Toma, Thiago C. Canevari, Marcelo Nakamura, 2022, Journal of Nanoparticle Research.

High performance electrochemical sensors for dopamine and epinephrine using nanocrystalline carbon quantum dots obtained under controlled chronoamperometric conditions

H. Toma, Thiago C. Canevari, Marcelo Nakamura, 2016 .

Hybrid polyaniline/bentonite–vanadium(V) oxide nanocomposites

R. A. Timm, G. Demets, H. Toma, 2003 .

Resonance Raman Spectra of a Supramolecular Species Containing Four Ruthenium(II)-Bipyridine Complexes Attached to Zinc-Tetrapyridyl Porphynate

H. Toma, K. Araki, P. Santos, 1995 .

Electronic and Resonance Raman Spectra of a Multibridged Iron Porphyrin

H. Toma, K. Araki, P. Santos, 1993 .

Exploring the coordination chemistry of isomerizable terpyridine derivatives for successful analyses of cis and trans isomers by travelling wave ion mobility mass spectrometry.

M. Eberlin, S. Toma, H. Toma, 2012, The Analyst.

Can in vivo surface dental enamelmicrobiopsies be used to measure remote lead exposure?

Etelvino J. H. Bechara, Adrielly Garcia Ortiz, H. Toma, 2018, Environmental Science and Pollution Research.

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

H. Toma, K. Araki, A. Zuin, 2012 .

The SERS effect in coordination chemistry

H. Toma, D. Grasseschi, 2017 .

Pentacyanoferrate(II) complexes of amino acids

H. Gray, H. Toma, A. Batista, 1982 .

Magnetophoresis of Superparamagnetic Nanoparticles Applied to the Extraction of Lanthanide Ions in the Presence of Magnetic Field

H. Toma, S. N. Almeida, F. M. Melo, 2017 .

Improving stability of iron oxide nanofluids for enhanced oil recovery: Exploiting wettability modifications in carbonaceous rocks

S. Toma, H. Toma, K. Araki, 2022, Journal of Petroleum Science and Engineering.

Ultrasmall cationic superparamagnetic iron oxide nanoparticles as nontoxic and efficient MRI contrast agent and magnetic-targeting tool

S. R. Rabbani, S. Toma, H. Toma, 2015, International journal of nanomedicine.

Recent progress in water-splitting and supercapacitor electrode materials based on MOF-derived sulfides

H. Toma, K. Araki, L. Angnes, 2021, Journal of Materials Chemistry A.

Preparation and properties of polypyrrole/bentonite/vanadium (V) oxide ternary composites

G. Demets, H. Toma, F. Anaissi, 2002 .

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

H. Toma, K. Araki, L. Barreto, 2007, Journal of colloid and interface science.

Enlightening the synergic effect of anatase/rutile mixtures in solar cells

A. L. Parussulo, H. Toma, K. Araki, 2016 .

Characterization and properties of mixed bentonite-vanadium(V) oxide xerogels

G. Demets, H. Toma, F. Anaissi, 2001 .

Spectroscopic characterization and electrocatalytical activity of tetrapyridylporphyrins intercalated into hydrated vanadium(V) oxide

H. Toma, H. Oliveira, H. Rechenberg, 1994 .

Direct assembly of a metallodendrimer encompassing seven triruthenium clusters units

S. Toma, H. Toma, K. Araki, 2012 .

Probing the electronic delocalization in a cyclic pyrazine ruthenium cluster hexamer

H. Toma, S. Nikolaou, A. Formiga, 2010 .

A Convergent Approach for the Generation of Dendrimers Containing the [Ru3O(CH3COO)6] Electroactive Core

H. Toma, S. Nikolaou, 2008 .

Extended Electronic Interactions in a Triangular μ-Oxotriruthenium Acetate Cluster Containing Nitric Oxide

H. Toma, A. Alexiou, S. Dovidauskas, 2002 .

Mutual effects on the spectroscopic and electrochemical properties of μ3-oxo-trinuclear ruthenium complexes modified with a bridged [Ru(2,2′-bipy)2(CN)] moiety

H. Toma, S. Nikolaou, 2002 .

Synthesis, spectroscopy and electrochemistry of a μ-oxo-triruthenium cluster containing a bridged bis(2,2′-bipyridyl)ruthenium(II) moiety

H. Toma, S. Nikolaou, 2001 .

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

V. John, S. Toma, H. Toma, 2016 .

Electrode materials based on α-NiCo(OH)2 and rGO for high performance energy storage devices

H. Toma, K. Araki, J. Gonçalves, 2016 .

Thermodynamic stabilization of nanostructured alpha-Ni1−xCox(OH)2 for high efficiency batteries and devices

P. R. Martins, S. Toma, H. Toma, 2013 .

A new ferrous diflunisal complex and its effects on biopools of labile iron.

H. Toma, S. Serrano, B. Espósito, 2019, Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements.

On the effect of TiO 2 nanocrystallites over the plasmonic photodegradation by Au nanoparticles

Z. Fang, A. L. Parussulo, H. Toma, 2018, Journal of Raman Spectroscopy.

GO composite encompassing a tetraruthenated cobalt porphyrin-Ni coordination polymer and its behavior as isoniazid BIA sensor

H. Toma, K. Araki, L. Angnes, 2019, Electrochimica Acta.

Magnetic nanohydrometallurgy: a nanotechnological approach to elemental sustainability

H. Toma, 2015 .

Unraveling the mysterious role of palladium in Feigl bis(dimethylglyoximate)nickel(II) spot tests by means of confocal Raman microscopy.

A. L. Parussulo, H. Toma, K. Araki, 2012, Analytical chemistry.

Photoinduced electron transfer dynamics of AuNPs and Au@PdNPs supported on graphene oxide probed by dark-field hyperspectral microscopy.

H. Toma, D. Grasseschi, T. Vasconcelos, 2020, Dalton transactions.

The kinetics of oxidative substitution in bromopentaamminecobalt(III) ion by chlorine, hypochlorous and hypobromous acids

H. Toma, E. Giesbrecht, J. M. Malin, 1973 .

Vanadium oxide-porphyrin nanocomposites as gas sensor interfaces for probing low water content in ethanol

F. J. Ramirez-Fernandez, R. A. Timm, H. Toma, 2010 .

Interaction of cationic meso-porphyrins with liposomes, mitochondria and erythrocytes

M. Baptista, H. Toma, K. Araki, 2007, Journal of bioenergetics and biomembranes.

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

S. Toma, H. Toma, K. Araki, 2011 .

Interaction of 2- and 4-mercaptopyridine with pentacyanoferrates and gold nanoparticles.

H. Toma, K. Araki, F. S. Nunes, 2006, Inorganic chemistry.

Microscale Educational Kits for Learning Chemistry at Home

H. Toma, 2021, Journal of Chemical Education.

A New Supramolecular Tetraruthenated Cobalt (II) Porphyrazine Displaying Outstanding Electrocatalytical Performance in Oxygen Evolution Reaction

S. Toma, H. Toma, K. Araki, 2022, Molecules.

Catalytic Water‐Oxidation Activity of a Weakly Coupled Binuclear Ruthenium Polypyridyl Complex

R. C. Rocha, S. Toma, H. Toma, 2016 .

Copper(II) and Cobalt(II) Complexes Based on Abietate Ligands from Pinus Resin: Synthesis, Characterization and Their Antibacterial and Antiviral Activity against SARS-CoV-2

C. Bittencourt, H. Toma, F. Anaissi, 2023, Nanomaterials.

A new insight on the preparation of stabilized alpha-nickel hydroxide nanoparticles.

H. Winnischofer, M. A. Rocha, H. Toma, 2011, Journal of nanoscience and nanotechnology.

Developing nanotechnological strategies for green industrial processes

H. Toma, 2013 .

Carbon dioxide/methanol conversion cycle based on cascade enzymatic reactions supported on superparamagnetic nanoparticles.

H. Toma, L. Andrade, C. C. Marquès, 2017, Anais da Academia Brasileira de Ciencias.

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

S. Toma, H. Toma, K. Araki, 2011 .

Direct use of superparamagnetic nanoparticles as electrode modifiers for the analysis of mercury ions from aqueous solution and crude petroleum samples

H. Toma, K. Araki, A. Zuin, 2011 .

Accessing the charge separation effects in dye-sensitized solar cells based on a vectorial planning of supramolecular ruthenium dyes

A. L. Parussulo, S. Toma, H. Toma, 2016 .

Hydration constants of pyridinecarboxaldehyde N-oxides

H. Toma, L. D. Amaral, V. Okano, 1981 .

Langmuir Isotherms for Functionalized Superparamagnetic Nanoparticles with Cobalt(II) Ions Based on Zeta Potentials

H. Toma, F. F. Kaid, Alceu T. Silveira-Junior, 2020 .

Thiosemicarbazone@Gold nanoparticle hybrid as selective SERS substrate for Hg2+ ions.

H. Toma, K. Araki, Tiago A. Matias, 2018, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

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

M. Baptista, H. Toma, K. Araki, 2007, International journal of pharmaceutics.

Chromophore selective resonance Raman effect in some heme model compounds

H. Toma, P. Santos, L. Morino, 1985 .

A Critical Evaluation of the Role of the Precursor Complex and Counterions in Synthesis of Gold Nanoparticles in Micellar Media

F. S. Lima, H. Toma, H. Chaimovich, 2016, 1607.00530.

Hyperspectral dark-field microscopy of gold nanodisks.

F. S. Lima, H. Toma, Marcelo Nakamura, 2015, Micron.

Vanadium(V) Oxide – Metal Organic Nanocomposites as Electrochemical Sensing Materials

R. A. Timm, H. Toma, K. Araki, 2010 .

Porphyrin doped vanadium pentoxide xerogel as electrode material

H. Toma, K. Araki, F. Anaissi, 2003 .

ELECTROCHEMICAL CONDITIONING OF VANADIUM(V) PENTOXIDE XEROGEL FILMS

G. Demets, H. Toma, F. Anaissi, 1999 .

Gold Nanohole Arrays Fabricated by Interference Lithography Technique as SERS Probes for Chemical Species Such As Rhodamine 6G and 4,4′-Bipyridine

J. W. Menezes, H. Toma, K. Araki, 2017, Plasmonics.

Photophysical behavior of molecular dyads and triad comprising tris(bipyrazine)rutheniumII, bis(bipyridine)chlororutheniumII and pentacyanoferrateII complexes

H. Toma, Sheila G. Camera, 2002 .

Ruthenium Acetate Cluster Amphiphiles and Their Langmuir–Blodgett Films for Electrochromic Switching Devices

H. Winnischofer, H. Toma, K. Araki, 2014 .

Resonance Raman investigation of the chromophore centers in an iron(II)–polyimine supermolecule containing four ruthenium(II)–bipyridine groups

H. Toma, T. Chavez-Gil, D. Faria, 1998 .

Detection of Plasmon Coupling between Silver Nanowires Based on Hyperspectral Darkfield and SERS Imaging and Supported by DDA Theoretical Calculations.

H. Toma, P. Corio, D. D. dos Santos, 2016, Chemphyschem : a European journal of chemical physics and physical chemistry.

Intriguing Plasmonic and Fluorescence Duality in Copper Nanoparticles

H. Toma, V. M. Zamarion, E. L. Bastos, 2020, Plasmonics.

How relevant can the SERS effect in isolated nanoparticles be

A. L. Parussulo, H. Toma, K. Araki, 2013 .

Synthesis and Characterization of a Dodecanuclear Ruthenium Pyrazine Cluster

H. Toma, A. Alexiou, 1995 .

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

S. Toma, H. Toma, K. Araki, 2007 .

Synthesis and Characterization of a Novel Dodecanuclear Porphyrin Ruthenium Cluster

H. Toma, K. Araki, E. O. Silva, 1998 .

Self-Assembly of a Supramolecular Cyclic Polymer Containing Pyrazine Bridged Trinuclear μ-Oxo-Ruthenium-Acetate Clusters†

H. Toma, S. Nikolaou, 2000 .

Synthesis, Characterization and Inclusion Properties of an Iron(II) Polyimine Complex Derived from 2,6-Diacetylpyridine and an Aliphatic Polyamine

R. C. Rocha, H. Toma, H. Rechenberg, 1999 .

Kinetics of formation of the violet FeIIIFeII(CN)3CO mixed valence complex

H. Toma, L. A. Oliveira, 1979 .

Intervalence transfer properties of the binuclear μ-benzotriazolate- and μ-benzimidazolate-bis{ruthenium(II)/(III)-edta} complexes

R. C. Rocha, H. Toma, K. Araki, 1999 .

KINETICS OF FORMATION OF THE VIOLET FEIIIFEII(CN)5CO MIXED VALENCE COMPLEX

H. Toma, L. Oliveira, 1979 .

Spectroscopic and electrochemical studies on linkage isomerism in iron(II) complexes of benzotriazole, a corrosion inhibitor

H. Toma, E. Giesbrecht, R. L. E. Rojas, 1983 .

Facile synthesis of labile gold nanodiscs by the Turkevich method

H. Toma, D. Grasseschi, Jorge S. Shinohara, 2018, Journal of Nanoparticle Research.

A highly efficient redox chromophore for simultaneous application in a photoelectrochemical dye sensitized solar cell and electrochromic devices

S. D. Torresi, A. Nogueira, S. Toma, 2005 .

Urea Decomposition Mechanism by Dinuclear Nickel Complexes

H. Toma, C. G. C. M. Netto, A. López‐Castillo, 2023, Molecules.

A resonance raman investigation on the CT spectra and photochromism of the binuclear complex (NH3)5RuII(μ-pyrazine)CuII

H. Toma, P. Santos, 1977 .

Electrocatalytic activity in sensing of nitrite by films produced by electropolymerization of [Fe(Br-ph-tpy)2]2+

S. Toma, H. Toma, J. Bonacin, 2017 .

Spectroelectrochemical study of the lithium insertion in vanadium(V) oxide xerogels

H. Toma, M. G. Huila, 2018, Electrochimica Acta.

Spectroscopic and Electrochromic Behavior of a Pentanuclear Cyanoiron(Ii)-Polyimine Supermolecule and Its Corresponding Prussian Blue Film

H. Toma, T. Chávez-Gil, 1999 .

Electrochemical parametrization of a series of penta- and tetradentate EDTA complexes of ruthenium

R. C. Rocha, H. Toma, F. N. Rein, 2002 .

13C NMR spectra of triangular μ‐oxoruthenium acetate clusters revisited: HETCOR study of two pyridine and 4,4′‐bipyridine derivative

H. Toma, S. Nikolaou, A. Alexiou, 1999 .

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

Henrique E. Toma, Koiti Araki, André Luiz Barboza Formiga, 2010 .

Linkage Isomerization Reactions

R. C. Rocha, H. Toma, 2001 .

Linkage isomerization and electrochemical behavior of two geometrical isomers of dichlorobis(dimethylsulfoxide)bis(t-butylpyridine)ruthenium(II)

H. Toma, D. O. Silva, 1994 .

THE TRINUCLEAR COMPLEX BIS-μ-PYRAZINE-TRANS-TETRAAMMINERUTHENIUM (II) BIS [PENTACYANOFERRATE (II)]

H. Toma, 1978 .

Kinetics of reaction of imidazole, glycine, and L-histidine with the aqua-pentacyanoferrate(II) ion

H. Toma, J. M. Martins, E. Giesbrecht, 1978 .

Carbon-13 chemical shifts of substituted pentacyano-ferrate(II) complexes correlated with Mössbauer and electronic spectra

H. Toma, J. A. Vanin, J. M. Malin, 1979 .

Graphene modification with gold nanoparticles using the gas aggregation technique

H. Toma, K. Araki, G. Landi, 2012 .

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

H. Toma, K. Araki, B. Iglesias, 2012 .

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

R. C. Rocha, H. Toma, K. Araki, 2019, Dalton transactions.

Room temperature synthesis and Raman spectral evidence of carbon bond ranelate–gold nanoparticles

H. Toma, J. C. Rocha, A. A. Braga, 2020 .

Probing the dynamics of dithiooxamide coordinated to gold nanoparticles using SERS

H. Toma, V. M. Zamarion, D. Grasseschi, 2018, Journal of Raman Spectroscopy.

Effect of Gold Nanoparticles and Unwanted Residues on Raman Spectra of Graphene Sheets

J. W. Menezes, H. Toma, K. Araki, 2018, Brazilian Journal of Physics.

Superparamagnetic Maghemite-Based CdTe Quantum Dots as Efficient Hybrid Nanoprobes for Water-Bath Magnetic Particle Inspection

H. Toma, Yingyi Fu, B. Brandão, 2018 .

Charge transfer spectra, kinetics and thermodynamics for thiourea, thioacetamide and dithiooxamide complexes of pentacyanoferrate(II)

H. Toma, M. Takasugi, 1982 .

Electron-transfer kinetics and mechanism of di-imine bond formation in tetracyano(ethylenediamine)ferrate(II)

H. Toma, A. M. Ferreira, 1983 .

ELECTRON-TRANSFER KINETICS AND MECHANISM OF DIIMINE BOND FORMATION IN TETRACYANO(ETHYLENEDIAMINE)FERRATE(II)

H. Toma, A. M. Ferreira, 1983 .

RAMAN STUDIES OF BIS(PHENYLTERPYRAZINE)IRON(II) AND SUPRAMOLECULAR SPECIES WITH PENTACYANIDOFERRATE(II) IONS

H. Toma, Marcelo Nakamura, B. Brandão, 2019, Química Nova.

Preparation and characterization of (3-aminopropyl) triethoxysilane-coated magnetite nanoparticles

H. Toma, Marcelo Nakamura, L. Sampaio, 2004 .

Eco-Friendly Synthesis of an Oxovanadium(IV)-bis(abietate) Complex with Antimicrobial Action

C. Bittencourt, H. Toma, F. Anaissi, 2022, Molecules.

Enantioselective transesterification catalysis by Candida antarctica lipase immobilized on superparamagnetic nanoparticles

H. Toma, L. Andrade, C. G. C. M. Netto, 2009 .

Synthesis and spectroscopic characterization of trinuclear [Ru3O(O2CCH3)6(pyrazine)3]0, + clusters

H. Toma, C. Cipriano, 1989 .

Pentacyanoferrate(II) complexes of pyrimidine and quinoxaline

H. Toma, J. M. Malin, A. L. Coelho, 1983 .

Equilibria and spectroelectrochemical studies on the formation of multibridged tris(bipyrazine) ruthenium(II) complexes with ruthenium-edta groups.

H. Toma, R. L. Sernaglia, 1993, Talanta.

Resonance Raman spectra of the heptanuclear hexakis(pentaammineruthenium)tris(bipyrazine)ruthenium(14+) complex. Excitation profiles for three overlapping metal-to-ligand charge-transfer bands

A. Lever, H. Toma, P. Santos, 1988 .

NUCLEAR MAGNETIC RESONANCE AND SPECTROELECTROCHEMICAL CHARACTERIZATION OF A SUPRAMOLECULAR TETRAMERIC RUTHENIUM CLUSTER

H. Toma, A. Alexiou, 1995 .

Synthesis of a trinuclear ruthenium cluster containing pyridine and 4-acetylpyridine ligands and its immobilization on functionalized silica

H. Toma, S. Nikolaou, A. Alexiou, 1997 .

Synthesis and Spectroscopic Characterization of Trinuclear (Ru3O(O2CCH3)6(pyrazine)3)0, + Clusters.

H. Toma, C. Cipriano, 1990 .

Intervalence transfer in outer-sphere hexa-ammineruthenium(III) pentacyanoferrate(II) complexes

H. Toma, 1980 .

Equilibrium reactions network for the cis- or trans-bis(pyrazine)tetraammineruthenium(II/III) and ruthenium(II/III)-EDTA complexes.

H. Toma, R. L. Sernaglia, 1995, Talanta.

Spectroelectrochemical and kinetic studies on the interaction of ruthenium-edta with a trinuclear ruthenium acetate cluster containing aminopyrazine ligands

H. Toma, Marco A.L. Olive, 1994 .