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Evaluation of Encoded Layer-By-Layer Coated Microparticles As Protease Sensors

机译:编码的多层涂层微粒作为蛋白酶传感器的评估

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摘要

Proteases are important pharmaceutical targets for new drugs because of their involvement in numerous disease processes. This study evaluates whether photophysically encoded microparticles carrying fluorescently labeled protease substrates (peptides) at their surface show potential for detecting proteases in a sample. Layer-by-layer (LbL) polyelectrolyte coatings, containing a red-labeled peptidic trypsin substrate, are carefully designed and applied at the surface of the encoded microparticles. The peptide-loaded LbL coatings lose their red fluorescence upon incubation in a trypsin solution, indicating that LbL-coated microparticles show potential to screen for the presence of active proteases in biological samples.
机译:蛋白酶是新药的重要药物靶标,因为它们参与许多疾病过程。这项研究评估了在表面上带有荧光标记的蛋白酶底物(肽)的光物理编码微粒是否具有检测样品中蛋白酶的潜力。包含红色标记的肽胰蛋白酶底物的逐层(LbL)聚电解质涂层经过精心设计,并应用于编码后的微粒表面。在胰蛋白酶溶液中孵育后,载有肽的LbL涂层失去了红色荧光,表明LbL涂层的微粒显示出筛选生物样品中活性蛋白酶的潜力。

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