2 条结果 关键词:近红外光 ×

Near-Infrared Light-Initiated Photoelectrochemical Biosensor Based on Upconversion Nanorods for Immobilization-Free miRNA Detection with Double Signal Amplification.

Analytical chemistry 2021 Hao M, Miao P, Wang Y, Wang W 等 10 人

光电化学(PEC)传感器灵敏度高、成本低,但紫外或可见光激发易损伤生物样品,限制复杂基质应用。本文构建基于 NaYF4:Yb,Tm@NaYF4@TiO2@CdS(csUCNRs@TiO2@CdS)上转换纳米棒的近红外(NIR)光启动 PEC 生物传感器,以无固定化方式检测急性心肌梗死(AMI)相关 miRNA-133a,并结合杂交链...

Near-Infrared Light-Induced Self-Powered Aptasensing Platform for Aflatoxin B1 Based on Upconversion Nanoparticles-Doped Bi

Analytical chemistry 2021 Gao J, Yao X, Chen Y, Gao Z 等 5 人

光源在基于光燃料电池(PFC)的自供电生物传感器中起关键作用。虽然可见光源已被广泛用于驱动PFC,但由于其能量相对较高,在生物传感中仍存在不足。本文构建了一种以近红外(NIR)光为照射源的PFC适配体传感器。为实现对NIR光的高效吸收,将可将低能入射光转换为高能辐射的NaYF4:Yb,Er上转换纳米颗粒(UCNPs)与Bi2S3纳米...