Academic literature on the topic 'Field-effect transistor biosensor'

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Dissertations / Theses on the topic "Field-effect transistor biosensor"

1

Chen, Si. "Electronic Sensors Based on Nanostructured Field-Effect Devices." Doctoral thesis, Uppsala universitet, Fasta tillståndets elektronik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-194015.

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Point-of-care (POC) diagnostics presents a giant market opportunity with profound societal impact. In particular, specific detection of DNA and protein markers can be essential for early diagnosis of e.g. cancer, cardiovascular disease, infections or allergies. Today, identification of these markers often requires extensive laboratory work and hence is expensive and time consuming. Current methods for recognition and detection of specific biomolecules are mostly optics based and thus impose severe limitations as to convenience, specificity, sensitivity, parallel processing and cost reduction.
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Soy, Esin. "Immobilization Of Proteins On Zeolite And Zeo-type Materials For Biosensor Applications Based On Conductometric Biosensors And Ion Sensitive Field Effect Transistors." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613313/index.pdf.

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Over the last decade, immobilization of proteins onto inorganic materials is becoming more crucial to extend a deep understanding of interaction between proteins and nanoparticles. With understanding of the real interaction lying under the protein-nanoparticle relations, it is possible to organize the conformation and orientation of surface and framework species of nanoparticles to generate ideal surfaces for potential biotechnological applications. Due to their unique properties such as large clean surface, tunable surface properties, adjustable surface charge, and dispersibility in aqueous s
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Han, Yinhua. "Label-free detection of biomolecules by a field effect transistor microarray biosensor with bio-functionalized gate surfaces." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=982123027.

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Wang, Dengjun. "Optimization of a biosensor based on an electrolytic gated organic field-effect transistor (EGOFET) for Bisphenol A detection." Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC089.

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Dans les dernières décennies, en raison de leur utilité potentielle dans le diagnostic clinique, la sécurité alimentaire, la sécurité publique et la surveillance de l'environnement, les biocapteurs ont été intensivement étudiés. Ce travail a porté principalement sur la conception et la fabrication d'un nouveau type de biocapteur basé sur un transistor organique électrolytique à effet de champ (EGOFET). Cette méthode permet de mesurer une faible concentration de bisphénol A dans l'eau avec un EGOFET basé de poly (2,5-bis (3-thiophén-2 tétradécyl-yl) thiéno [3,2-b] thiophène) (pBT1T) en tant le
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Ullberg, Nathan. "Field-effect transistor based biosensing of glucose using carbon nanotubes and monolayer MoS2." Thesis, Uppsala universitet, Molekyl- och kondenserade materiens fysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-397719.

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As part of the EU SmartVista project to develop a multi-modal wearable sensor for health diagnostics, field-effect transistor (FET) based biosensors were explored, with glucose as the analyte, and carbon nanotubes (CNTs) or monolayer MoS2 as the semiconducting sensing layer.  Numerous arrays of CNT-FETs and MoS2-FETs were fabricated by photolithographic methods and packaged as integrated circuits.  Functionalization of the sensing layer using linkers and enzymes was performed, and the samples were characterized by atomic force microscopy, scanning electron microscopy, optical microscopy, and e
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Pregl, Sebastian. "Fabrication and characterization of a silicon nanowire based Schottky-barrier field effect transistor platform for functional electronics and biosensor applications." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-171112.

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This work focuses on the evaluation of the feasibility to employ silicon (Si) nanowire based parallel arrays of Schottky-barrier field effect transistors (SB-FETs) as transducers for potentiometric biosensors and their overall performance as building blocks for novel functional electronics. Nanowire parallel arrays of SB-FETs were produced and electrically characterized during this work. Nominally undoped Si nanowires with mean diameter of 20nm were synthesized by chemical vapor deposition (CVD) driven bottom-up growth and subsequently transferred via a printing process to Si/SiO2 chip substra
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Casal, Patricia. "Detection of Protein Analytes in Physiologic Environments via Planar ImmunoHFET." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1354046018.

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Pavlásková, Lucie. "Biosenzory na bázi funkcionalizovaného grafenu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443227.

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V této práci byl demonstrován grafenový polem řízený transistor (GFET) jako platforma pro detekci glukózy. Sukcinimidyl ester pyrenbutanové kyseliny (PSE) sloužící jako nosič a enzym glukóza oxidáza (GOx) byly úspěšně použity k funkcionalizaci grafenového kanálu ve FE transistoru. Enzym GOx byl imobilizován na kanálu pro glukózovou detekci, jelikož indukuje selektivní katalytickou reakci glukózy. Proces funkcionalizace byl charakterizován pomocí Ramanovy spektroskopie a Atomární silové mikroskopie (AFM). Vyrobený biosenzor na bázi grafenu umožnil elektrickou detekci glukózy ve dvou různých usp
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Wang, Yuji. "Ultra-Sensitive AlGaN/GaN HFET Biosensors: Performance Enhancement, Clinical and Food Safety Applications." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1409017537.

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Vieira, Nirton Cristi Silva. "Sensores e biossensores baseados em transistores de efeito de campo utilizando filmes automontados nanoestruturados." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-10022012-151657/.

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O transistor de efeito de campo de porta estendida e separada (SEGFET) é um dispositivo alternativo ao tradicional transistor de efeito de campo seletivo a íons (ISFET). A grande vantagem desse dispositivo se refere ao seu fácil processamento, ou seja, se restringe somente a manipulação do eletrodo de porta, evitando processos convencionais de microeletrônica. Neste sentido, sensores iônicos e biossensores podem ser facilmente implementados combinando materiais de reconhecimento químico e/ou biológico. Por sua vez, a técnica de fabricação de filmes finos camada por camada (layer-by-layer, LbL)
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