Search Results - "Gilbert, Pupa"
-
1
Biomineralization by particle attachment in early animals
Published in Proceedings of the National Academy of Sciences - PNAS (03-09-2019)“…Crystallization by particle attachment (CPA) of amorphous precursors has been demonstrated in modern biomineralized skeletons across a broad phylogenetic range…”
Get full text
Journal Article -
2
Vaterite Crystals Contain Two Interspersed Crystal Structures
Published in Science (American Association for the Advancement of Science) (26-04-2013)“…Calcite, aragonite, and vaterite are the three anhydrous polymorphs of calcium carbonate, in order of decreasing thermodynamic stability. Although vaterite is…”
Get full text
Journal Article -
3
The hidden structure of human enamel
Published in Nature communications (26-09-2019)“…Enamel is the hardest and most resilient tissue in the human body. Enamel includes morphologically aligned, parallel, ∼50 nm wide, microns-long nanocrystals,…”
Get full text
Journal Article -
4
Crystallization by particle attachment in synthetic, biogenic, and geologic environments
Published in Science (American Association for the Advancement of Science) (31-07-2015)“…Growing crystals by attaching particles Crystals grow in a number a ways, including pathways involving the assembly of other particles and multi-ion complexes…”
Get full text
Journal Article -
5
Coherently aligned nanoparticles within a biogenic single crystal: A biological prestressing strategy
Published in Science (American Association for the Advancement of Science) (08-12-2017)“…In contrast to synthetic materials, materials produced by organisms are formed in ambient conditions and with a limited selection of elements. Nevertheless,…”
Get full text
Journal Article -
6
Nanoscale Transforming Mineral Phases in Fresh Nacre
Published in Journal of the American Chemical Society (21-10-2015)“…Nacre, or mother-of-pearl, the iridescent inner layer of many mollusk shells, is a biomineral lamellar composite of aragonite (CaCO3) and organic sheets…”
Get full text
Journal Article -
7
Particle Accretion Mechanism Underlies Biological Crystal Growth from an Amorphous Precursor Phase
Published in Advanced functional materials (10-09-2014)“…Many biogenic minerals are composed of aggregated particles at the nanoscale. These minerals usually form through the transformation of amorphous precursors…”
Get full text
Journal Article -
8
Nacre tablet thickness records formation temperature in modern and fossil shells
Published in Earth and planetary science letters (15-02-2017)“…Nacre, the iridescent outer lining of pearls and inner lining of many mollusk shells, is composed of periodic, parallel, organic sheets alternating with…”
Get full text
Journal Article -
9
Amorphous calcium carbonate particles form coral skeletons
Published in Proceedings of the National Academy of Sciences - PNAS (12-09-2017)“…Do corals form their skeletons by precipitation from solution or by attachment of amorphous precursor particles as observed in other minerals and biominerals?…”
Get full text
Journal Article -
10
Biomineralization: Integrating mechanism and evolutionary history
Published in Science advances (11-03-2022)“…Calcium carbonate (CaCO ) biomineralizing organisms have played major roles in the history of life and the global carbon cycle during the past 541 Ma. Both…”
Get full text
Journal Article -
11
A hydrated crystalline calcium carbonate phase: Calcium carbonate hemihydrate
Published in Science (American Association for the Advancement of Science) (25-01-2019)“…As one of the most abundant materials in the world, calcium carbonate, CaCO , is the main constituent of the skeletons and shells of various marine organisms…”
Get full text
Journal Article -
12
X-ray linear dichroic ptychography
Published in Proceedings of the National Academy of Sciences - PNAS (19-01-2021)“…Biominerals such as seashells, coral skeletons, bone, and tooth enamel are optically anisotropic crystalline materials with unique nanoscale and microscale…”
Get full text
Journal Article -
13
Evidence for a Liquid Precursor to Biomineral Formation
Published in Crystal growth & design (01-12-2021)“…The crystals in animal biominerals, such as sea urchin spines, mollusk shells, and coral skeletons, form by attachment of amorphous particles that subsequently…”
Get full text
Journal Article -
14
Spherulitic Growth of Coral Skeletons and Synthetic Aragonite: Nature’s Three-Dimensional Printing
Published in ACS nano (25-07-2017)“…Coral skeletons were long assumed to have a spherulitic structure, that is, a radial distribution of acicular aragonite (CaCO3) crystals with their c-axes…”
Get full text
Journal Article -
15
Role of the Mineral in the Self-Healing of Cracks in Human Enamel
Published in ACS nano (26-07-2022)“…Human enamel is an incredibly resilient biological material, withstanding repeated daily stresses for decades. The mechanisms behind this resilience remain an…”
Get full text
Journal Article -
16
From particle attachment to space-filling coral skeletons
Published in Proceedings of the National Academy of Sciences - PNAS (01-12-2020)“…Reef-building corals and their aragonite (CaCO₃) skeletons support entire reef ecosystems, yet their formation mechanism is poorly understood. Here we used…”
Get full text
Journal Article -
17
A Molecular‐Scale Understanding of Misorientation Toughening in Corals and Seashells
Published in Advanced materials (Weinheim) (01-07-2023)“…Biominerals are organic–mineral composites formed by living organisms. They are the hardest and toughest tissues in those organisms, are often polycrystalline,…”
Get full text
Journal Article Web Resource -
18
Biomineral armor in leaf-cutter ants
Published in Nature communications (24-11-2020)“…Although calcareous anatomical structures have evolved in diverse animal groups, such structures have been unknown in insects. Here, we report the discovery of…”
Get full text
Journal Article -
19
Coral acid rich protein selects vaterite polymorph in vitro
Published in Journal of structural biology (01-02-2020)“…[Display omitted] •CARP3 induces surface roughness on CaCO3 crystals formed from solution.•CARP3 polymorph selection activity is highly influenced by presence…”
Get full text
Journal Article -
20
Mollusk Shell Nacre Ultrastructure Correlates with Environmental Temperature and Pressure
Published in Journal of the American Chemical Society (02-05-2012)“…Nacre, or mother-of-pearl, the tough, iridescent biomineral lining the inner side of some mollusk shells, has alternating biogenic aragonite (calcium…”
Get full text
Journal Article