Advances to attain nanoscale spatial resolution with infrared spectroscopy are greatly needed to deepen our fundamental understanding of heterogeneous lignocellulosic-based. Meanwhile, the challenges associated with exploring molecular interactions locally remain, which impede the development of more efficient schemes to deconstruct lignocellulosic biomass and form new value-added materials derived from these processes. Novel platforms combining atomic force microscopy (AFM) and infrared spectroscopy (IR) with spatial resolution beyond 100 nm were recently proposed to explore the variations in chemical content of plant cell walls both in their native states and after chemical processing. They complement other multiscale interdisciplinary efforts required to grasp the complexity of the systems. <br/>In this talk, we will discuss promising nanoscale infrared spectroscopy approaches that have been proposed to probe the composition of plant cell walls at the nanoscale (sub-100nm). To illustrate the potential of such technologies, we will compare the information accessed with various spatially resolved infrared spectroscopy methods on plant cell walls treated. The results will highlight the importance of statistical tools to establish connections between the observations made at the nanoscale and at larger scales to better take into account the complexity of natural variations associated with such systems.

Advances in nanoscale infrared spectroscopy to explore the properties of lignocellulosic-based materials

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.