Multimodal spectroscopic investigation of the conformation and local environment of biomolecules at an electrified interface.,Journal of Materials Chemistry B

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Multimodal spectroscopic investigation of the conformation and local environment of biomolecules at an electrified interface.
Journal of Materials Chemistry B ( IF 6.1 ) Pub Date : 2020-07-27 , DOI: 10.1039/d0tb01158d
Sasha A Moonitz ₁ , Noah Shepard , Rodrigo Noriega

Affiliation

The complex and dynamic interfacial regions between biological samples and electronic components pose many challenges for characterization, including their evolution over multiple temporal and spatial scales. Spectroscopic probes of buried interfaces employing mid-infrared plasmon resonances and time-resolved fluorescence detection in the visible range are used to study the properties of polypeptides adsorbed at the surface of a working electrode. Information from these complementary spectroscopic probes reveals the interplay of solvation, electric fields, and ion concentration on their resulting macromolecular conformations.

中文翻译：

在电动界面上对生物分子的构象和局部环境进行多峰光谱研究。

生物样品和电子元件之间复杂而动态的界面区域对表征提出了许多挑战，包括它们在多个时空尺度上的演变。使用中红外等离子体共振和可见光范围内的时间分辨荧光检测的掩埋界面的光谱探针用于研究吸附在工作电极表面的多肽的特性。来自这些互补光谱探针的信息揭示了溶剂化，电场和离子浓度在它们产生的大分子构象上的相互作用。

更新日期：2020-08-12

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