Characterization of pharmaceutical tablets by X-ray tomography

J Vijayakumar, NM Goudarzi, G Eeckhaut… - Pharmaceuticals, 2023 - mdpi.com
Solid dosage forms such as tablets are extensively used in drug administration for their
simplicity and large-scale manufacturing capabilities. High-resolution X-ray tomography is …

Mechanisms of pyrite formation promoted by sulfate-reducing bacteria in pure culture

A Duverger, JS Berg, V Busigny, F Guyot… - Frontiers in Earth …, 2020 - frontiersin.org
Pyrite, or iron disulfide, is the most common sulfide mineral on the Earth's surface and is
widespread through the geological record. Because sulfides are mainly produced by sulfate …

Intracellular amorphous Ca-carbonate and magnetite biomineralization by a magnetotactic bacterium affiliated to the Alphaproteobacteria

CL Monteil, K Benzerara, N Menguy… - The ISME …, 2021 - academic.oup.com
Bacteria synthesize a wide range of intracellular submicrometer-sized inorganic precipitates
of diverse chemical compositions and structures, called biominerals. Their occurrences …

Evolution of interstellar organic compounds under asteroidal hydrothermal conditions

V Vinogradoff, S Bernard, C Le Guillou, L Remusat - Icarus, 2018 - Elsevier
Carbonaceous chondrites (CC) contain a diversity of organic compounds. No definitive
evidence for a genetic relationship between these complex organic molecules and the …

Collective magnetotaxis of microbial holobionts is optimized by the three-dimensional organization and magnetic properties of ectosymbionts

DM Chevrier, A Juhin, N Menguy… - Proceedings of the …, 2023 - National Acad Sciences
Over the last few decades, symbiosis and the concept of holobiont—a host entity with a
population of symbionts—have gained a central role in our understanding of life functioning …

Experimental investigation of Fe-clay/organic interactions under asteroidal conditions

JC Viennet, C Le Guillou, L Remusat, F Baron… - … et Cosmochimica Acta, 2022 - Elsevier
Carbonaceous chondrites contain both soluble and insoluble organic materials (SOM and
IOM) which may have been produced in different environments via different processes or …

Infrared spectroscopy quantification of functional carbon groups in kerogens and coals: A calibration procedure

VTH Phan, E Quirico, P Beck, Y Le Brech… - … Acta Part A: Molecular …, 2021 - Elsevier
The determination of the abundances of the CH x, C= O and aromatic groups in chondritic
Insoluble Organic Matter (IOM) and coals by Infrared (IR) spectroscopy is a challenging …

Magnetite magnetosome biomineralization in Magnetospirillum magneticum strain AMB-1: A time course study

L Le Nagard, X Zhu, H Yuan, K Benzerara… - Chemical …, 2019 - Elsevier
Magnetotactic bacteria are a highly studied group of diverse prokaryotes that biomineralize
chains of magnetosomes, single domain, single crystal magnetic nanoparticles of magnetite …

Magnetosome magnetite biomineralization in a flagellated protist: evidence for an early evolutionary origin for magnetoreception in eukaryotes

P Leão, L Le Nagard, H Yuan… - Environmental …, 2020 - Wiley Online Library
The most well‐recognized magnetoreception behaviour is that of the magnetotactic bacteria
(MTB), which synthesize membrane‐bounded magnetic nanocrystals called magnetosomes …

Carbon-containing pyrite spherules: mineral biosignatures in black smokers?

C Truong, S Bernard, F Baudin… - European Journal of …, 2024 - ejm.copernicus.org
Sulfide-and sulfate-rich hydrothermal vents are involved in Earth's major geochemical
cycles. An outstanding scientific question consists of finding out whether certain minerals …