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首页> 外文会议>Conference on terahertz emitters, receivers, and applications >Molecular-level engineering of THz/IR-sensitive materials for future biological sensing application
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Molecular-level engineering of THz/IR-sensitive materials for future biological sensing application

机译：太赫兹/红外敏感材料的分子水平工程学，用于未来的生物传感应用

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摘要

While the unique spectral information associated with chemical and biological molecules within the terahertz frequency regime (~ 3.0-3.0 millimeters) motivates its use for practical sensing applications, limiting factors at the macroscale (weak spectral absorption, broad line widths and masking geometrical effects introduced by the samples) provides motivation for man-engineered sensing materials that allow for the transduction of the spectral information about target molecules from the nanoscale. This brief letter will overview work being performed by our research group to define molecular-level functionality that will be useful for realizing "THz/IR-sensitive" materials. Here the goal is to define switchable molecular components that when incorporated into larger DNA-based nanoscaffolds lead to THz and/or IR regime electronic and/or photonic material properties that are dictated in a predictable manner by novel functionality paradigms. In particular, theoretical modeling and design studies are being performed to engineer organic and biological switches that can be incorporated into DNA-based architectures that enable the precise extraction of nanoscale information (e.g., composition, dynamics, conformation) through electronic/photonic transformations to the macroscale. Hence, these studies seek to define new spectral-based sensing modalities useful for characterizing bio-molecules
机译：尽管与太赫兹频率范围内（〜3.0-3.0毫米）内的化学和生物分子相关的独特光谱信息激发了其在实际传感应用中的使用，但宏观尺度上的限制因素（弱光谱吸收，较宽的线宽和掩盖几何效应引入了这种效应）样品）为人为工程化的传感材料提供了动力，这些传感材料允许转导有关纳米级目标分子的光谱信息。这封简短的信将概述我们的研究小组正在进行的工作，以定义分子水平的功能，这些功能对于实现“ THz / IR敏感”材料非常有用。此处的目的是定义可切换的分子成分，当将其掺入较大的基于DNA的纳米支架中时，会导致THz和/或IR态的电子和/或光子材料特性，这些特性以可预测的方式由新颖的功能范式指示。尤其是，正在进行理论建模和设计研究，以工程化有机和生物开关，这些开关可以并入基于DNA的体系结构中，从而能够通过电子/光子转换来精确提取纳米级信息（例如，组成，动力学，构象）。宏观尺度。因此，这些研究试图定义对表征生物分子有用的基于光谱的新传感方式。

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