Nanoscale Chemical Features of the Natural Fibrous Material Wood

Gusenbauer, Claudia; Jakob, Devon S.; Xu, Xiaoji G.; Vezenov, Dmitri V.; Cabane, Etienne; Konnerth, Johannes

doi:10.1021/acs.biomac.0c01028

Cited by 18 publications

(15 citation statements)

References 42 publications

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“…In comparison with the commonly used chemical imaging by Raman microscopy, IR PiFM can reach C 50 times higher spatial resolution. The resolution is also several times higher than what has been reported for thermal expansion AFM-IR (Gusenbauer et al 2020). cellulose and contribute to the recalcitrance of biomass in fractionating and converting it into various products (dos Santos 2013; Michelin et al 2020;Reza et al 2017).…”

Section: Discussionmentioning

confidence: 84%

“…In recent years, a number of highly advanced techniques like tip-enhanced Raman spectroscopy (TERS), infrared atomic force microscopy (AFM-IR), and infrared photo-induced force microscopy (IR PiFM), especially, have provided spectroscopic imaging with nano-scale spatial resolution (Levin and Bhargava 2005;Lewis et al 1995;Nguyen et al 2020;Ogunleke et al 2017;Xiao and Schultz 2018). AFM-IR based on thermal expansion of the material has been applied for studying wood cell wall (Wang et al 2016;Gusenbauer et al 2020) and xylem pit membranes (Pereira et al 2018). Gusenbauer et al (2020) reported a spatial resolution of 16 nm in their measurements.…”

Section: Introductionmentioning

confidence: 99%

“…AFM-IR based on thermal expansion of the material has been applied for studying wood cell wall (Wang et al 2016;Gusenbauer et al 2020) and xylem pit membranes (Pereira et al 2018). Gusenbauer et al (2020) reported a spatial resolution of 16 nm in their measurements. IR PiFM is a multimodal technique that combines FM with tunable IR laser excitation to obtain nondestructive chemical information with \ 10 nm resolution via near-field imaging (Nowak et al 2016).…”

Section: Introductionmentioning

confidence: 99%

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Infrared photo-induced force microscopy unveils nanoscale features of Norway spruce fibre wall

et al. 2021

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Infrared photo-induced force microscopy (IR PiFM) was applied for imaging ultrathin sections of Norway spruce (Picea abies) at 800–1885 cm−1 with varying scanning steps from 0.6 to 30 nm. Cell wall sublayers were visualized in the low-resolution mode based on differences in their chemical composition. The spectra from the individual sublayers demonstrated differences in the orientation of cellulose elementary fibrils (EFs) and in the content and structure of lignin. The high-resolution images revealed 5–20 nm wide lignin-free areas in the S1 layer. Full spectra collected from a non-lignified spot and at a short distance apart from it verified an abrupt change in the lignin content and the presence of tangentially oriented EFs. Line scans across the lignin-free areas corresponded to a spatial resolution of ≤ 5 nm. The ability of IR PiFM to resolve structures based on their chemical composition differentiates it from transmission electron microscopy that can reach a similar spatial resolution in imaging ultrathin wood sections. In comparison with Raman imaging, IR PiFM can acquire chemical images with ≥ 50 times higher spatial resolution. IR PiFM is also a surface-sensitive technique that is important for reaching the high spatial resolution in anisotropic samples like the cell wall. All these features make IR PiFM a highly promising technique for analyzing the recalcitrant nature of lignocellulosic biomass for its conversion into various materials and chemicals. Graphic abstract

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Section: Discussionmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Infrared photo-induced force microscopy unveils nanoscale features of Norway spruce fibre wall

et al. 2021

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“…Since its invention, PFIR microscopy with 6-10 nm spatial resolution has been applied over various samples, including polymers [62], aerosol particles [64], boron nitride nanotubes and flakes [63,65], yeast cell walls [66], natural fibrous woods [67], shell rocks [68] and perovskites [69,70]. Liquid-phase PFIR has also been developed using the total internal reflection scheme [65,71,72].…”

Section: Peak Force Infrared (Pfir) Microscopymentioning

confidence: 99%

Super-resolution mid-infrared spectro-microscopy of biological applications through tapping mode and peak force tapping mode atomic force microscope

Wang

Xie

2022

Advanced Drug Delivery Reviews

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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“…Updated versions of AFM-IR instruments with top-down or top-side illumination do not have such limitations in that specimens of arbitrary thickness can be examined on arbitrary substrates. Similarly, the distribution of functional groups in native and chemical modified wood was examined with an excellent spatial resolution of 16 nm [ 60 ].…”

Section: Afm-ir and Ir S-snom Application In Cellulose Materialsmentioning

confidence: 99%

Recent Progress on the Characterization of Cellulose Nanomaterials by Nanoscale Infrared Spectroscopy

Zhu

Zhou

et al. 2021

Nanomaterials

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Researches of cellulose nanomaterials have seen nearly exponential growth over the past several decades for versatile applications. The characterization of nanostructural arrangement and local chemical distribution is critical to understand their role when developing cellulose materials. However, with the development of current characterization methods, the simultaneous morphological and chemical characterization of cellulose materials at nanoscale resolution is still challenging. Two fundamentally different nanoscale infrared spectroscopic techniques, namely atomic force microscope based infrared spectroscopy (AFM-IR) and infrared scattering scanning near field optical microscopy (IR s-SNOM), have been established by the integration of AFM with IR spectroscopy to realize nanoscale spatially resolved imaging for both morphological and chemical information. This review aims to summarize and highlight the recent developments in the applications of current state-of-the-art nanoscale IR spectroscopy and imaging to cellulose materials. It briefly outlines the basic principles of AFM-IR and IR s-SNOM, as well as their advantages and limitations to characterize cellulose materials. The uses of AFM-IR and IR s-SNOM for the understanding and development of cellulose materials, including cellulose nanomaterials, cellulose nanocomposites, and plant cell walls, are extensively summarized and discussed. The prospects of future developments in cellulose materials characterization are provided in the final part.

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Nanoscale Chemical Features of the Natural Fibrous Material Wood

Cited by 18 publications

References 42 publications

Infrared photo-induced force microscopy unveils nanoscale features of Norway spruce fibre wall

Infrared photo-induced force microscopy unveils nanoscale features of Norway spruce fibre wall

Super-resolution mid-infrared spectro-microscopy of biological applications through tapping mode and peak force tapping mode atomic force microscope

Recent Progress on the Characterization of Cellulose Nanomaterials by Nanoscale Infrared Spectroscopy

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