Progress in chitin analytics

MV Tsurkan, A Voronkina, Y Khrunyk… - Carbohydrate …, 2021 - Elsevier
Chitin is the second most abundant biopolymer and functions as the main structural
component in a variety of living organisms. In nature, chitin rarely occurs in a pure form, but …

[HTML][HTML] A review of spatially resolved techniques and applications of organic petrography in shale petroleum systems

PC Hackley, AM Jubb, RJ McAleer, BJ Valentine… - International Journal of …, 2021 - Elsevier
This review examines new techniques and applications of organic petrography in source-
rock reservoir petroleum systems that have occurred along with development of the global …

Practical advances towards safer analysis of heritage samples and objects

L Bertrand, S Schöder, I Joosten, SM Webb… - TrAC Trends in …, 2023 - Elsevier
In recent years, we have seen a significant increase in interest in the effects of irradiation
used for analytical purposes on art, archaeological, palaeontological and …

High-sensitivity nanoscale chemical imaging with hard x-ray nano-XANES

A Pattammattel, R Tappero, M Ge, YS Chu… - Science …, 2020 - science.org
Resolving chemical species at the nanoscale is of paramount importance to many scientific
and technological developments across a broad spectrum of disciplines. Hard x-rays with …

A general overview and comparative interpretation on element‐specific X‐ray spectroscopy techniques: XPS, XAS, and XRS

D Ketenoglu - X‐Ray Spectrometry, 2022 - Wiley Online Library
X‐ray photoelectron spectroscopy (XPS), X‐ray absorption spectroscopy (XAS) and X‐ray
Raman scattering (XRS) spectroscopy are the element‐specific tools providing local …

[HTML][HTML] Direct conversion of methane to zeolite-templated carbons, light hydrocarbons, and hydrogen

Y Liu, EH Osta, AS Poryvaev, MV Fedin, A Longo… - Carbon, 2023 - Elsevier
Efficient direct valorization of methane to value-added chemicals and materials remains an
unsolved challenge for modern chemistry and materials science. In this work, we explored …

Pushing Raman spectroscopy over the edge: purported signatures of organic molecules in fossil animals are instrumental artefacts

J Alleon, G Montagnac, B Reynard, T Brulé… - …, 2021 - Wiley Online Library
Widespread preservation of fossilized biomolecules in many fossil animals has recently
been reported in six studies, based on Raman microspectroscopy. Here, we show that the …

In-place molecular preservation of cellulose in 5,000-year-old archaeological textiles

C Reynaud, M Thoury, A Dazzi… - Proceedings of the …, 2020 - National Acad Sciences
The understanding of fossilization mechanisms at the nanoscale remains extremely
challenging despite its fundamental interest and its implications for paleontology …

X-ray Raman scattering: a hard X-ray probe of complex organic systems

R Georgiou, CJ Sahle, D Sokaras, S Bernard… - Chemical …, 2022 - ACS Publications
This paper provides a review of the characterization of organic systems via X-ray Raman
scattering (XRS) and a step-by-step guidance for its application. We present the …

Widespread mineralization of soft‐bodied insects in Cretaceous amber

H Jiang, F Tomaschek, A Drew Muscente, C Niu… - …, 2022 - Wiley Online Library
Fossilized tree resin, or amber, commonly contains fossils of animals, plants and
microorganisms. These inclusions have generally been interpreted as hollow moulds or …