3 条结果 关键词:透明质酸 ×

A novel immuno-device based on the specific binding of AuNP-supported CTAB with biotinylated antibody of hyaluronic acid toward an early-stage recognition of a biomarker: a bioanalytical assay in real samples using disposal biosensor technology.

RSC advances 2022 Mobed A, Kohansal F, Dolati S, Hasanzadeh M

透明质酸(HA)是一种非硫酸化糖胺聚糖,可作为某些癌症诊断的潜在生物标志物。本文首次开发了一种基于改性ITO-PET电极的无标记电化学免疫传感器,用于实际样品中HA的灵敏识别。一次性ITO-PET电极经金纳米颗粒(AuNPs)修饰,构建适合固定化HA生物素化抗体的导电基底。该生物装置的创新点在于将HA生物素化抗体包埋于KCC1-NH...

A Mechanoelastic Glimpse on Hyaluronan-Coated Extracellular Vesicles.

The journal of physical chemistry letters 2022 Paul D, Paul A, Mukherjee D, Saroj S 等 10 人

癌细胞分泌的细胞外囊泡(Extracellular Vesicles, EVs)表面覆盖透明质酸(Hyaluronan, HA),其片段长度与肿瘤恶性进展相关。本文利用单分子力谱(Single-Molecule Force Spectroscopy, SMFS)解析单个癌细胞来源 EV 表面 HA 的轮廓长度,揭示存在低分子量 HA...

Electrochemiluminescence Biosensor for Hyaluronidase Based on the Adjustable Electrostatic Interaction between the Surface-Charge-Controllable Nanoparticles and Negatively Charged Electrode.

ACS sensors 2022 Li Z, Huang X, Liu H, Luo F 等 7 人

本文设计了一种基于表面电荷可控纳米颗粒与负电荷电极之间可调静电相互作用的电化学发光(ECL)生物传感器,用于检测透明质酸酶(HAase)。以氨基修饰的钌联吡啶掺杂二氧化硅纳米颗粒(Ru@SiO2−NH2 NPs)为核,通过酰胺键在其表面包覆透明质酸(HA),制备得到 Ru@SiO2−NH2@HA 纳米颗粒作为 ECL 指示剂。由于 ...