Structure of an amorphous calcium carbonate phase involved in the formation of Pinctada margaritifera shells

TA Grünewald, S Checchia, H Dicko… - Proceedings of the …, 2022 - National Acad Sciences
Some mollusc shells are formed from an amorphous calcium carbonate (ACC) compound,
which further transforms into a crystalline material. The transformation mechanism is not fully …

[HTML][HTML] Formation of the Outer Shell Layer in Pinctada margaritifera: Structural and Biochemical Evidence for a Sequential Development of the Calcite Units

JP Cuif, A Fougerouse, C Lo, Y Dauphin - Minerals, 2023 - mdpi.com
Calcite prismatic units that form the outer layers of “nacro-prismatic” Pelecypod shells are
often used as biomineralization models due to their individual size, simple shape, and …

[HTML][HTML] Correlative chemical and elemental nano-imaging of morphology and disorder at the nacre-prismatic region interface in Pinctada margaritifera

BT O'Callahan, A Larsen, S Leichty, J Cliff… - Scientific Reports, 2023 - nature.com
Understanding biomineralization relies on imaging chemically heterogeneous organic–
inorganic interfaces across a hierarchy of spatial scales. Further, organic minority phases …

[HTML][HTML] Crystalline biomimetic calcium phosphate coating on mini-pin implants to accelerate osseointegration and extend drug release duration for an orthodontic …

M Li, G Wu, M Wang, EB Hunziker, Y Liu - Nanomaterials, 2022 - mdpi.com
Miniscrew implants (MSIs) have been widely used as temporary anchorage devices in
orthodontic clinics. However, one of their major limitations is the relatively high failure rate …

Tunable nanomaterials of intracellular crystallization for in situ biolabeling and biomedical imaging

H Liu, H Jiang, X Liu, X Wang - Chemical & Biomedical Imaging, 2023 - ACS Publications
Intracellular biosynthetic nanomaterials offer tremendous opportunities for chemical
biomedical imaging. A wide range of biologically active tissues are available for …

[HTML][HTML] Crossing length scales: X-ray approaches to studying the structure of biological materials

TA Grünewald, M Liebi, H Birkedal - IUCrJ, 2024 - journals.iucr.org
Biological materials have outstanding properties. With ease, challenging mechanical, optical
or electrical properties are realised from comparativelyhumble'building blocks. The key …

Jones tomographic diffractive microscopy with a polarized array sensor

AM Taddese, M Lo, N Verrier, M Debailleul… - Optics …, 2023 - opg.optica.org
Tomographic diffractive microscopy (TDM) based on scalar light-field approximation is
widely implemented. Samples exhibiting anisotropic structures, however, necessitate …

Wearable, eco-mimetic, and bicontinuous Ag-doped poly (3, 4-ethylenedioxythiophene): poly (styrenesulfonate)/MnO2/carbon fabric for multifunctionality

X Xu, H Qu, Y Wang, C Wang, C Wang, S Wu - Composites Science and …, 2024 - Elsevier
Wearable and bicontinuous Ag-doped poly (3, 4-ethylenedioxythiophene): poly
(styrenesulfonate)/MnO 2/carbon fabric was manufactured in a facile, eco-friendly, and …

Sub-micrometric spatial distribution of amorphous and crystalline carbonates in biogenic crystals using coherent Raman microscopy

H Dicko, TA Grünewald, P Ferrand… - Journal of Structural …, 2022 - Elsevier
In living organisms, calcium carbonate biomineralization combines complex bio-controlled
physical and chemical processes to produce crystalline hierarchical hard tissues (usually …

Extending the capabilities of vectorial ptychography to circular-polarizing materials such as cholesteric liquid crystals

P Ferrand, M Mitov - Optics Letters, 2023 - opg.optica.org
The problem of imaging materials with circular-polarization properties is discussed within
the framework of vectorial ptychography. We demonstrate, both theoretically and …