1996
DOI: 10.1049/el:19961492
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0.15 [micro sign]m T-shaped gate pseudomorphic HEMT fabricated using a new optical lithographic technique

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Cited by 4 publications
(4 citation statements)
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“…146,178 These sensing devices are also compatible with the use of a mediator, which can be trapped within a silicate layer, 155,156 or solely constitutes an individual layer, most often located between the electrode surface and the active enzyme. [150][151][152]171 If class II hybrids (with strong chemical bonds between the organic and inorganic components) were largely employed in electrochemical biosensing applications, they were mainly devoted to controlling the hydrophobic/ hydrophilic balance (limited swelling), to structuring the composite (efficient encapsulation), or to favoring the immobilization of the enzyme and/or the mediator at the electrode surface. Yet only few investigations have exploited the organoalkoxysilane chemistry to bind, in a covalent way, a biomolecule or an enzyme to the electrode/ceramic matrix to definitely prevent leaching of the reagents into the external solution.…”
Section: Interpenetrating Silicate Network and Conducting Polymersmentioning
confidence: 99%
“…146,178 These sensing devices are also compatible with the use of a mediator, which can be trapped within a silicate layer, 155,156 or solely constitutes an individual layer, most often located between the electrode surface and the active enzyme. [150][151][152]171 If class II hybrids (with strong chemical bonds between the organic and inorganic components) were largely employed in electrochemical biosensing applications, they were mainly devoted to controlling the hydrophobic/ hydrophilic balance (limited swelling), to structuring the composite (efficient encapsulation), or to favoring the immobilization of the enzyme and/or the mediator at the electrode surface. Yet only few investigations have exploited the organoalkoxysilane chemistry to bind, in a covalent way, a biomolecule or an enzyme to the electrode/ceramic matrix to definitely prevent leaching of the reagents into the external solution.…”
Section: Interpenetrating Silicate Network and Conducting Polymersmentioning
confidence: 99%
“…Ainda com um biossensor à base de catalase, Campanella et al 42 . Empregando mediador baseado em ósmio e peroxidase imobilizada em gel, peróxido de hidrogênio foi amperometricamente determinado a -50 mV vs. Ag/AgCl 130 . Não foram encontradas interferências de ácido úrico, dopamina e ácido ascórbico.…”
Section: Determinação De Peróxido De Hidrogêniounclassified
“…Li et al [121,122] used carbon paste ®rst coated with an enzyme layer then covered with an hydrophilic silica overlayer to prevent enzyme leaching while ensuring the diffusion of the analytes to the bioactive centers. In order to facilitate the electron transfer reactions, a mediatorcontaining layer can be deposited onto the electrode surface prior to the enzymeasilica bilayer [137,163,186]. Another con®guration that has received considerable attention was introduced by Narang et al [245] and involves an enzyme layer sandwiched between two independent sol-gel silica layers, giving a threelayer ®lm coated on a solid electrode surface [112,113,177].…”
Section: Biosensorsmentioning
confidence: 99%