Highly Sensitive and Selective Photoelectrochemical Aptasensor for Cancer Biomarker CA125 Based on AuNPs/GaN Schottky Junction

A gold nanoparticle (AuNPs)/gallium nitride (GaN) Schottky junction was fabricated by growing AuNPs in situ on the surface of GaN and then etched by H2O2 to appropriate diameter. The photogenerated electrons of GaN can be captured and transferred by the AuNPs to increase the migration efficiency, an...

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Veröffentlicht in:	Analytical chemistry (Washington) 2020-07, Vol.92 (14), p.10114-10120
Hauptverfasser:	Hu, Danli, Liang, Hongfeng, Wang, Xinyang, Luo, Fang, Qiu, Bin, Lin, Zhenyu, Wang, Jian
Format:	Artikel
Sprache:	eng
Schlagworte:	Aptamers Aptamers, Nucleotide - chemistry Biomarkers Biomarkers, Tumor - analysis CA-125 Antigen - analysis Cancer Carcinoma, Ovarian Epithelial - diagnosis Charge efficiency Charge transfer Chemistry Electrochemical Techniques Energy levels Female Gallium Gallium - chemistry Gallium nitrides Gold Gold - chemistry Humans Hydrogen peroxide Membrane Proteins - analysis Metal Nanoparticles - chemistry Nanoparticles Ovarian cancer Ovarian Neoplasms - diagnosis Particle Size Photochemical Processes Photoelectric effect Photoelectric emission Photoelectricity Photoelectrons Selectivity Surface Properties
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