Explanipedia

Genetic Surfaceome <i>E. coli</i> Reprogramming Enables Selective Water Oxidation (Adv. Mater. 47/2025) Open

Graziela C. Sedenho, Jéssica C. Pacheco, Melanie Gut, Sourav R. Dey, Frank N. Crespilho · 2025

Bioelectrochemical Systems: Prioritizing Energy Density, Long-Term Stability, and Validation Open

Luana Cristina Italiano Faria, Steffane Q. Nascimento, Filipe C. D. A. Lima, Graziela C. Sedenho, Thiago Bertaglia , et al. · 2025

Pioneering work in bioelectrochemistry, particularly the employing of yeast cells to generate electrical current, had substantially favored the comprehension of bioelectrochemical reactions. This foundational research has boosted the devel…

Genetic Surfaceome <i>E. coli</i> Reprogramming Enables Selective Water Oxidation Open

Graziela C. Sedenho, Jéssica C. Pacheco, Melanie Gut, Filipe C. D. A. Lima, Sourav R. Dey , et al. · 2025

Programming catalytic behavior at the microbial genome level is a frontier in synthetic biology with direct impact on bioelectrocatalysis. A key challenge is the coordinated control of gene expression, localization, folding, and cofactor m…

Plasmonic and quantitative lateral flow assay for grayscale imaging of neutralizing antibodies SARS-CoV-2 Open

Karla R. Castro, Isabela A. Mattioli, Graziela C. Sedenho, Thiago Bertaglia, Antonio Araújo , et al. · 2025

Lateral flow immunoassays (LFIAs) have modernized decentralized mass testing and significantly impacted the healthcare system. It provides a rapid and accessible method for serological testing, which is an important tool for screening pati…

Molecular Mechanism and Electrostatic Effect Enabling Symmetric All-Quinone Aqueous Redox Flow Batteries Open

José Eduardo dos Santos Clarindo, Rafael N. P. Colombo, Graziela C. Sedenho, Luana Cristina Italiano Faria, Thiago Bertaglia , et al. · 2024

Symmetric all-quinone aqueous redox flow batteries (SQA-RFBs), in which the same quinone derivative is used as the electroactive compound in the negative and positive electrolytes, thereby obviating the need for a species-selective membran…

Secondary Structure in Enzyme‐Inspired Polymer Catalysts Impacts Water Oxidation Efficiency Open

Graziela C. Sedenho, Steffane Q. Nascimento, Marjon Zamani, Frank N. Crespilho, Ariel L. Furst · 2024

Protein structure plays an essential role on their stability, functionality, and catalytic activity. In this work, the interplay between the β ‐sheet structure and its catalytic implications to the design of enzyme‐inspired materials is in…

From research to market: correlation between publications, patent filings, and investments in development and production of technological innovations in biosensors Open

Giovana Rosso Cagnani, Thiago da Costa Oliveira, Isabela A. Mattioli, Graziela C. Sedenho, Karla R. Castro , et al. · 2022

Metal-Free, Low-Cost, and High-Performance Membraneless Ethanol Fuel Cell Open

Mian Abdul Ali, Graziela C. Sedenho, Jéssica C. Pacheco, Rodrigo M. Iost, Asma Rahman , et al. · 2022

Graphene-based hybrid electrical-electrochemical point-of-care device for serologic COVID-19 diagnosis Open

Isabela A. Mattioli, Karla R. Castro, Lucyano J. A. Macedo, Graziela C. Sedenho, Mona N. Oliveira , et al. · 2021

On the Weak Binding and Spectroscopic Signature of SARS‐CoV‐2 nsp14 Interaction with RNA Open

Ayaz Hassan, Graziela C. Sedenho, Phelipe Augusto Mariano Vitale, Mona N. Oliviera, Frank N. Crespilho · 2021

The SARS‐CoV‐2 non‐structural protein 14 (nsp14), known as exoribonuclease is encoded from the large polyprotein of viral genome and is a major constituent of the transcription replication complex (TRC) machinery of the viral RNA synthesis…

Three-dimensional catalysis and the efficient bioelectrocatalysis beyond surface chemistry Open

Lucyano J. A. Macedo, Anderson A. E. Santo, Graziela C. Sedenho, Ayaz Hassan, Rodrigo M. Iost , et al. · 2021

Bioelectrochemical and bioinspired energy conversion systems: from heterogeneous and extracellular electron transfer to applications in aqueous batteries and biofuel cells Open

Graziela C. Sedenho · 2021

\n Se ponderarmos que parte da respiração celular é um modelo de obtenção de energia, vislumbra-se que os sistemas bioeletroquímicos naturais podem ser mimetizados para a obtenção sustentável de eletricidade, como em biocélulas a combustív…

Stabilization of Bilirubin Oxidase in a Biogel Matrix for High-performance Gas Diffusion Electrodes Open

Graziela C. Sedenho, Ayaz Hassan, Lucyano J. A. Macedo, Frank N. Crespilho · 2020

Enzyme immobilization on solid conducting surfaces faces some challenges for practical applications in technologies such as biosensors and biofuel cells. Short-term stability, poor electrochemical performance, and enzyme inhibition are som…

Stabilization of Bilirubin Oxidase in a Biogel Matrix for High-performance Gas Diffusion Electrodes Open

Graziela C. Sedenho, Ayaz Hassan, Lucyano J. A. Macedo, Frank N. Crespilho · 2020

Enzyme immobilization on solid conducting surfaces faces some challenges for practical applications in technologies such as biosensors and biofuel cells. Short-term stability, poor electrochemical performance, and enzyme inhibition are som…

Effect of Molecular Structure of Quinones and Carbon Electrode Surfaces on the Interfacial Electron Transfer Process Open

Graziela C. Sedenho, Diana De Porcellinis, Yan Jing, Emily F. Kerr, L.M. Mejía-Mendoza , et al. · 2020

Quinones can undergo thermodynamically reversible proton-coupled electron transfer reactions and are being applied as electroactive compounds in aqueous organic batteries. However, the electrochemical reversibility of these compounds is af…

Assessing electron transfer reactions and catalysis in multicopper oxidases with operando X-ray absorption spectroscopy Open

Lucyano J. A. Macedo, Ayaz Hassan, Graziela C. Sedenho, Frank N. Crespilho · 2020

Here we propose an experimental setup based on operando X-ray absorption spectroscopy (XAS) to understand why copper-containing oxidoreductase enzymes show exceptional performance as catalysts for the oxygen reduction reaction (ORR). An el…

Electrochemical Behavior of Cytochrome C Immobilized in a Magnetically Induced Mesoporous Framework Open

Antonio F. A. A. Melo, Graziela C. Sedenho, Izabela Osica, Katsuhiko Ariga, Frank N. Crespilho · 2019

Invited for this month's cover picture is Prof. Crespilho's group (Bioelectrochemistry and Interfaces) from São Carlos Institute of Chemistry (IQSC/USP, Brazil). The cover picture shows molecules of redox protein cytochrome c immobilized o…

Front Cover: Electrochemical Behavior of Cytochrome C Immobilized in a Magnetically Induced Mesoporous Framework (ChemElectroChem 23/2019) Open

Antonio F. A. A. Melo, Graziela C. Sedenho, Izabela Osica, Katsuhiko Ariga, Frank N. Crespilho · 2019

The Front Cover shows molecules of redox protein cytochrome c immobilized on the metallic coating from magnetite nanoparticles decorated with near-monodisperse gold nanoparticles, which are used as colloidal building blocks for the magneti…

Electrochemical Behavior of Cytochrome C Immobilized in a Magnetically Induced Mesoporous Framework Open

Antonio F. A. A. Melo, Graziela C. Sedenho, Izabela Osica, Katsuhiko Ariga, Frank N. Crespilho · 2019

Protein immobilization on electrode surfaces remains a technological challenge and is decisive in enhancing biological properties with simplified operational steps. In view of proposing a new direction for protein immobilization, we report…

Operando Electron Paramagnetic Resonance for Elucidating the Electron Transfer Mechanism of Coenzymes Open

Mian Abdul Ali, Ayaz Hassan, Graziela C. Sedenho, Renato V. Gonçalves, Daniel R. Cardoso , et al. · 2019

One of the most important challenges in chemistry with direct implication in biochemistry is probing the mechanism of electron transfer originating from biological molecules. On the basis of protein film voltammetry, mediated electron tran…

Non-corrosive, low-toxicity gel-based microbattery from organic and organometallic molecules Open

Frank N. Crespilho, Graziela C. Sedenho, Diana De Porcellinis, Emily F. Kerr, Sergio Granados-Fócil , et al. · 2019

The combination of natural hydrogel agarose and redox-active organic and organometallic molecules provides a non-corrosive, non-flammable and low-toxicity microbattery.

Advances in enzyme bioelectrochemistry Open

Andressa R. Pereira, Graziela C. Sedenho, João C. P. de Souza, Frank N. Crespilho · 2018

Bioelectrochemistry can be defined as a branch of Chemical Science concerned with electron-proton transfer and transport involving biomolecules, as well as electrode reactions of redox enzymes. The bioelectrochemical reactions and system h…

Implantable Enzyme-Based Biofuel Cells Open

Graziela C. Sedenho, Andressa R. Pereira, Kamila Cássia Pagnoncelli, João C. P. de Souza, Frank N. Crespilho · 2017

Determination of amino acids in sugarcane vinasse by ion chromatographic using nickel nanoparticles on reduced graphene oxide modified electrode Open

José Luiz da Silva, Maísa Azevedo Beluomini, Graziela C. Sedenho, Nelson Ramos Stradiotto · 2017

D-mannitol sensor based on molecularly imprinted polymer on electrode modified with reduced graphene oxide decorated with gold nanoparticles Open

Maísa Azevedo Beluomini, José Luiz da Silva, Graziela C. Sedenho, Nelson Ramos Stradiotto · 2016

Desenvolvimento de detector eletroquímico para cromatografia líquida de alta eficiência baseado em um eletrodo modificado com nanopartículas metálicas para determinação de ácidos carboxílicos em vinhaça de cana-de-açúcar Open

Graziela C. Sedenho · 2016

The Electro-Oxidation of Lactic Acid at Platinum Microparticles and Polycrystalline Platinum Electrode Open

Graziela C. Sedenho, Patricia T. Lee, Her Shuang Toh, C. J. Salter, Colin Johnston , et al. · 2016

We report the electrochemical modification of boron-doped diamond electrode surface with electrodeposited platinum microparticles of mean size of 193 nm ± 107 nm. The activity of platinum microparticle modified boron-doped diamond (ca. 20 …

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