Search Results - "Oliveira, Osvaldo N."

The Past and the Future of Langmuir and Langmuir–Blodgett Films by Oliveira, Osvaldo N, Caseli, Luciano, Ariga, Katsuhiko

“…The Langmuir–Blodgett (LB) technique, through which monolayers are transferred from the air/water interface onto a solid substrate, was the first method to…”
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A review on chemiresistive room temperature gas sensors based on metal oxide nanostructures, graphene and 2D transition metal dichalcogenides by Joshi, Nirav, Hayasaka, Takeshi, Liu, Yumeng, Liu, Huiliang, Oliveira, Osvaldo N., Lin, Liwei

“…Room-temperature (RT) gas sensing is desirable for battery-powered or self-powered instrumentation that can monitor emissions associated with pollution and…”
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Microbial nanocellulose adherent to human skin used in electrochemical sensors to detect metal ions and biomarkers in sweat by Silva, Robson R., Raymundo-Pereira, Paulo A., Campos, Anderson M., Wilson, Deivy, Otoni, Caio G., Barud, Hernane S., Costa, Carlos A.R., Domeneguetti, Rafael R., Balogh, Debora T., Ribeiro, Sidney J.L., Oliveira Jr, Osvaldo N.

“…The pursuit of biocompatible, breathable and skin-conformable wearable sensors has predominantly focused on synthetic stretchable hydrophobic polymers…”
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Carbon Nanotube Matrix for Highly Sensitive Biosensors To Detect Pancreatic Cancer Biomarker CA19‑9 by Thapa, Anshu, Soares, Andrey Coatrini, Soares, Juliana Coatrini, Awan, Iram Taj, Volpati, Diogo, Melendez, Matias Eliseo, Fregnani, José Humberto Tavares Guerreiro, Carvalho, André Lopes, Oliveira, Osvaldo N

“…Biosensors fabricated with nanomaterials promise faster, cheaper, and more efficient alternatives to traditional, often bulky devices for early cancer…”
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Fully-printed electrochemical sensors made with flexible screen-printed electrodes modified by roll-to-roll slot-die coating by Cagnani, Giovana Rosso, Ibáñez-Redín, Gisela, Tirich, Beatriz, Gonçalves, Débora, Balogh, Debora T., Oliveira, Osvaldo N.

“…The manufacture of sensors using large-scale production techniques, such as roll-to-roll (R2R) processing, may fulfill requirements of low-cost disposable…”
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Electrochemical immunosensors using electrodeposited gold nanostructures for detecting the S proteins from SARS-CoV and SARS-CoV-2 by Brazaca, Laís Canniatti, Imamura, Amanda Hikari, Gomes, Nathalia Oezau, Almeida, Mariana Bortholazzi, Scheidt, Desirée Tamara, Raymundo-Pereira, Paulo A., Oliveira, Osvaldo N., Janegitz, Bruno Campos, Machado, Sergio Antonio Spinola, Carrilho, Emanuel

“…This paper reports the development of a low-cost (< US$ 0.03 per device) immunosensor based on gold-modified screen-printed carbon electrodes (SPCEs). As a…”
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Plasmonic Biosensing by Mejía-Salazar, J R, Oliveira, Jr, Osvaldo N

“…Plasmonic biosensing has been used for fast, real-time, and label-free probing of biologically relevant analytes, where the main challenges are to detect small…”
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Wearable sensors made with solution-blow spinning poly(lactic acid) for non-enzymatic pesticide detection in agriculture and food safety by Paschoalin, Rafaella T., Gomes, Nathalia O., Almeida, Gabriela F., Bilatto, Stanley, Farinas, Cristiane S., Machado, Sergio A.S., Mattoso, Luiz H.C., Oliveira, Osvaldo N., Raymundo-Pereira, Paulo A.

“…On-site monitoring the presence of pesticides on crops and food samples is essential for precision and post-harvest agriculture, which demands nondestructive…”
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On the Challenges for the Diagnosis of SARS-CoV‑2 Based on a Review of Current Methodologies by Mattioli, Isabela A, Hassan, Ayaz, Oliveira, Osvaldo N, Crespilho, Frank N

“…Diagnosis of COVID-19 has been challenging owing to the need for mass testing and for combining distinct types of detection to cover the different stages of…”
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Chiral Plasmonics and Their Potential for Point-of-Care Biosensing Applications by Paiva-Marques, Willian A, Reyes Gómez, Faustino, Oliveira, Jr, Osvaldo N, Mejía-Salazar, J Ricardo

“…There has been growing interest in using strong field enhancement and light localization in plasmonic nanostructures to control the polarization properties of…”
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Optimized paper-based electrochemical sensors treated in acidic media to detect carbendazim on the skin of apple and cabbage by Martins, Thiago S., Machado, Sergio A.S., Oliveira, Osvaldo N., Bott-Neto, José L.

“…[Display omitted] •Paper sensors allowed pesticide sensing on the skin of fruits and vegetables.•The wearable sensor activated in an acid medium exhibited…”
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Big data and machine learning for materials science by Rodrigues, Jose F., Florea, Larisa, de Oliveira, Maria C. F., Diamond, Dermot, Oliveira, Osvaldo N.

“…Herein, we review aspects of leading-edge research and innovation in materials science that exploit big data and machine learning (ML), two computer science…”
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Toward Lossless Infrared Optical Trapping of Small Nanoparticles Using Nonradiative Anapole Modes by Hernández-Sarria, J J, Oliveira, Osvaldo N, Mejía-Salazar, J R

“…A challenge in plasmonic trapping of small nanoparticles is the heating due to the Joule effect of metallic components. This heating can be avoided with…”
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Machine Learning Used to Create a Multidimensional Calibration Space for Sensing and Biosensing Data by Neto, Mário Popolin, Soares, Andrey Coatrini, Oliveira, Osvaldo N, Paulovich, Fernando V

“…Calibration curves are essential constructs in analytical chemistry to determine parameters of sensing performance. In the classification of sensing data of…”
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Quaternized chitosan (nano)fibers: A journey from preparation to high performance applications by Marin, Luminita, Andreica, Bianca-Iustina, Anisiei, Alexandru, Cibotaru, Sandu, Bardosova, Maria, Materon, Elsa M., Oliveira, Osvaldo N.

“…The industrial production of chitosan, initiated over 50 years ago, has transformed its application across diverse industries, agriculture, and medicine. To…”
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Recent advances in electronic tongues by Riul, Jr, Antonio, Dantas, Cléber A R, Miyazaki, Celina M, Oliveira, Jr, Osvaldo N

“…This minireview describes the main developments of electronic tongues (e-tongues) and taste sensors in recent years, with a summary of the principles of…”
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Broadband Enhancement of Magneto-Optical Effects in Hybrid Waveguide-Plasmonic Surfaces for Sensing by Carvalho, William O. F., Spadoti, Danilo H., Oliveira, Osvaldo N., Mejía-Salazar, Jorge Ricardo

“…Conventional magnetophotonic nanostructures typically function within narrow wavelength and incident angle ranges, where resonance is observed and…”
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Diagnostics of SARS-CoV-2 infection using electrical impedance spectroscopy with an immunosensor to detect the spike protein by Soares, Juliana C., Soares, Andrey C., Angelim, Monara Kaelle S.C., Proença-Modena, Jose Luiz, Moraes-Vieira, Pedro M., Mattoso, Luiz H.C., Oliveira Jr, Osvaldo N.

“…Mass testing for the diagnostics of COVID-19 has been hampered in many countries owing to the high cost of the methodologies to detect genetic material of…”
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Theoretical models for surface forces and adhesion and their measurement using atomic force microscopy by Leite, Fabio L, Bueno, Carolina C, Da Róz, Alessandra L, Ziemath, Ervino C, Oliveira, Osvaldo N

“…The increasing importance of studies on soft matter and their impact on new technologies, including those associated with nanotechnology, has brought…”
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The impact of blue light in monolayers representing tumorigenic and nontumorigenic cell membranes containing epigallocatechin-3-gallate by Pires, Filipa, Magalhães-Mota, Gonçalo, Geraldo, Vananélia P.N., Ribeiro, Paulo A., Oliveira, Osvaldo N., Raposo, Maria

“…[Display omitted] •The incorporation of EGCG affects the physicochemical properties of the zwitterionic (DPPC) and anionic (DPPS) Langmuir monolayer.•EGCG…”
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