Amorphous calcium carbonate (ACC)
Marine and freshwater micropearls: biomineralization producing strontium rich amorphous calcium carbonate inclusions is widespread in the genus Tetraselmis (Chlorophyta)
... cium carbonate were considered nonexistent in unicellular eukaryotes (Raven and Knoll, ...these amorphous calcium carbonate (ACC) inclusions are widespread in a common phytoplankton ...
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Neutron and X-ray diffraction and empirical potential structure refinement modelling of magnesium stabilised amorphous calcium carbonate
... Abstract: Amorphous calcium carbonate (ACC) plays a key role in biomineralisation processes in sea ...magnesium-stabilised ACC, which was prepared with a Mg:Ca ratio of ...stabilised ...
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Amorphous calcium carbonate based microparticles for peptide pulmonary delivery
... Amorphous calcium carbonate (ACC) is known to interact with proteins, for example in biogenic ACC, to form stable amorphous ...inhalable calcium carbonate ...
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Dehydration and crystallization of amorphous calcium carbonate in solution and in air
... which amorphous intermediates transform into crystalline materials are poorly ...of amorphous calcium carbonate, a key intermediary in synthetic, biological and environmental ...that ...
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Citrate Effects on Amorphous Calcium Carbonate (ACC) Structure, Stability, and Crystallization
... and ACC transformation to the crystalline polymorphs was complete at 160 ...pure ACC samples lost all structural water (6.0 wt%), while ACC that had formed in the presence of CIT only lost ...the ...
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Biomineralisation by earthworms - an investigation into the stability and distribution of amorphous calcium carbonate
... [18,38,54]. Spectra were obtained in the range 650 – 4000 cm −1 using an A2-Technology MicroLab Portable mid-IR spectrometer with a diamond internal reflection (DATR). Each spectrum comprised 512 scans with a 4 cm −1 ...
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How does an amorphous surface influence molecular binding? - ovocleidin-17 and amorphous calcium carbonate
... the calcium carbonate slabs will gain entropy leading to potentially significant entropic contributions in the binding ...the ACC surface is not ordered in the same way so we would expect a far ...
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How does an amorphous surface influence molecular binding? – ovocleidin 17 and amorphous calcium carbonate
... the ACC slab, the protein undergoes little structural changes during the simulation time of tens of ...the ACC and suggests a small deformation that aids the binding of these ...the amorphous surface ...
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Biomineralisation by earthworms an investigation into the stability and distribution of amorphous calcium carbonate
... characterized by a lack of the vibration at 714 cm −1 [18,38,54]. Spectra were obtained in the range 650– 4000 cm −1 using an A2-Technology MicroLab Portable mid-IR spectrometer with a diamond internal reflection (DATR). ...
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Bone loss prevention in ovariectomized rats using stable amorphous calcium carbonate
... and ACC can most probably be attributed to the mineral component of these substances, as well as by the presence of phosphoserine [19,21,43], previously reported to induce bone formation in-vitro and in-vivo ...
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The Water–Amorphous Calcium Carbonate Interface and Its Interactions with Amino Acids
... calculations, ACC slabs equilibrated as described above but without amino acids were used to ensure that the restructuring in the presence of an amino acid during the long time scale simulation did not have an ...
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Mechanism of enhanced strontium uptake into calcite via an amorphous calcium carbonate (ACC) crystallisation pathway
... in ACC retards its dehydration and decreases its solubility ...the ACC phase causing it to persist for over 10 mins before direct transformation to calcite as the reaction product [39, 42] (also observed in ...
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The effect of aspartic acid and glycine on amorphous calcium carbonate (ACC) structure, stability and crystallization
... monitored ACC crystallization in the presence of varying concentrations of aspartic acid (ASP) and glycine ...in ACC lifetime with increasing amino acid concentrations and showed that the amino acid ...
6
Crystallisation rates of calcite from an amorphous precursor in confinement
... from ACC in confinement and have since been applied in other studies [7, ...precipitating amorphous calcium carbonate within cylindrical pores etched into a polycarbonate membrane, with ...
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Amorphous dysprosium carbonate: characterization, stability, and crystallization pathways
... the amorphous material was, however, only revealed through the analyses of the FTIR ...dry amorphous material ...for carbonate and O–H vibrations, suggesting that the amorphous material was a ...
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Nucleation and dehydration of calcium carbonate
... While the results presented here do make a valuable contribution to the under- standing of calcification in vivo and in vitro, the conclusions are speculative to some extent. Furthermore, questions remain which can be ...
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Crustacean larval factor shares structural characteristics with the insect specific follicle cell protein
... sequester amorphous calcium carbonate and inhibit its precipitation as calcite 9–11 , the expression of Clfs in the larvae, where the cuticle ...
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Repositioning of Eugenol in Treatment of Gastric Ulcers Through Development of Floating In situ Gel
... and batches F4-F8 contained gellan gum in various concentrations. It was observed that as the concentra- tions of polymer increases the viscous nature of the formulation increases and they become more difficult to pour. ...
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Deep sea stylasterid corals in the Antarctic, sub Antarctic and Patagonian Benthos : biogeography, phylogenetics, connectivity and conservation
... Due to the vulnerability of deep-sea calcifiers, especially habitat forming species such as deep-sea corals (Orr et al., 2005; Guinotte et al.,2006; Turley et al., 2007), recent literature has focused on carbonate ...
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The Role of Mg2 and BSA Langmuir Monolayers in Controlling Polymorph and Morphology of CaCO3 Crystal
... the calcium carbonate precipitation in vitro is known to inhibit the growth of calcium carbonate and consequently increase the degree of supersaturation [29], such conditions enable the ...
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