Applications of Nanomaterials in Sensors and Diagnostics by Adisorn Tuantranont (auth.), Adisorn Tuantranont (eds.)

By Adisorn Tuantranont (auth.), Adisorn Tuantranont (eds.)

Recent growth within the synthesis of nanomaterials and our primary realizing in their homes has resulted in major advances in nanomaterial-based fuel, chemical and organic sensors. major specialists worldwide spotlight the newest findings on a variety of nanomaterials together with nanoparticles, quantum dots, carbon nanotubes, molecularly imprinted nanostructures or plastibodies, nanometals, DNA-based constructions, clever nanomaterials, nanoprobes, magnetic nanomaterials, natural molecules like phthalocyanines and porphyrins, and the main striking novel nanomaterial, known as graphene. quite a few sensing ideas similar to nanoscaled electrochemical detection, useful nanomaterial-amplified optical assays, colorimetry, fluorescence and electrochemiluminescence, in addition to biomedical prognosis purposes, e.g. for melanoma and bone sickness, are completely reviewed and defined intimately. This quantity will offer a useful resource of knowledge for scientists operating within the box of nanomaterial-based expertise in addition to for complicated scholars in analytical chemistry, biochemistry, electrochemistry, fabric technology, micro- and nanotechnology.

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A) Normal Raman spectra on fresh citrus fruits. Curve I, with clean pericarps; curve II, contaminated by parathion. Curve III, SHINERS spectrum of contaminated orange modified by Au/SiO2 nanoparticles. Curve IV, Raman spectrum of solid methyl parathion. 5 mW, and the collected times were 30 s. (b) Schematic of the SHINERS experiment. Reprinted with permission from Li et al. [80]. # 2010, Nature to plasmonic hot spots. Such a tremendous increase in SERS signal allows zeptomole detection [78]. A SERS-based single-molecule detection has also been reported by using gap-tailorable gold–silver core–shell nanodumbbells.

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Anal Chem 82:1292–1298 38. Zhang J, Lei JP, Pan R et al (2011) In situ assembly of gold nanoparticles on nitrogen-doped carbon nanotubes for sensitive immunosensing of microcystin-LR. Chem Commun 668–670 39. Cui RJ, Liu C, Shen JM et al (2008) Gold nanoparticle–colloidal carbon nanosphere hybrid material: preparation, characterization, and application for an amplified electrochemical immunoassay. Adv Funct Mater 18:2197–2204 40. Du D, Zou ZX, Shin Y et al (2010) Sensitive immunosensor for cancer biomarker based on dual signal amplification strategy of graphene sheets and multienzyme functionalized carbon nanospheres.

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