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[IEEE 2019 IEEE International Symposium on Olfaction and Electronic Nose (ISOEN) - Fukuoka, Japan (2019.5.26-2019.5.29)] 2019 IEEE International Symposium on Olfaction and Electronic Nose (ISOEN) - Odorant-binding protein-based optoelectronic tongue and nose for sensing volatile organic compounds
摘要： We developed an array of odorant-binding protein mutants with various binding properties. The same design is suitable for the detection and identification of volatile organic compounds (VOCs) both in the liquid phase and in the gas phase by surface plasmon resonance imaging. The obtained optoelectronic tongue is highly selective at low concentrations of VOCs with a low detection limit, but a narrow linear range. In comparison, the optoelectronic nose gives a much higher signal to noise ratio, but the discrimination of VOCs from different chemical classes requires kinetic data to get rid of non-specific signals. This work shows that these optoelectronic tongue and nose are promising for numerous applications, each system having its own advantages.
关键词： electronic tongue,surface plasmon resonance imaging,electronic nose,Odorant-binding proteins,volatile organic compound
更新于2025-09-19 17:13:59
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Laser Ablation - From Fundamentals to Applications || Matrix-Assisted Pulsed Laser Evaporation of Organic Thin Films: Applications in Biology and Chemical Sensors
摘要： Polymer and biomolecule processing for medical and electronics applications, i.e. the fabrication of sensors and biosensors, microarrays, or lab on chip devices is a cornerstone field which shows great promise. Laser based thin film deposition techniques such as pulsed laser deposition or matrix-assisted pulsed laser evaporation (MAPLE) are competing with conventional methods for integrating new materials with tailored properties for novel technological developments. Successful polymer and protein thin film deposition requires several key elements for depositing viable and functional thin films, i.e. the characteristics of the laser depositing system, the choice of targets and receiver substrates, etc. This chapter reviews the following topics: brief presentation of the MAPLE process including several examples of polymer materials deposited by MAPLE, thus illustrating the potential of the technique as a gentle laser-assisted deposition method. In particular, the “synthesis” of new materials, their analysis and correlation of the bulk and interface properties to its bio-environment shall be discussed as a method to tackle some bioengineering issues. We will also focus on recent breakthroughs of the MAPLE technique for the fabrication of functional devices, i.e. sensor devices based either on chemoresponsive polymers or on proteins.
关键词： saw,maple,hydroxyapatite nanoparticles,odorant-binding proteins,PEG-PCL-me,polyethylenimine,polyepichlorohydrin,ha,polyethylene glycol-co-polycaprolactone methyl ether,polyisobutylene,lactoferrin
更新于2025-09-19 17:13:59