Results 41 to 50 of about 100,161 (306)

A novel hybrid material with calcium and strontium release capability [PDF]

open access: yes, 2012
The preparation of PDMS–TEOS–CaO hybrid materials by sol–gel techniques has been widely described in previous works. Calcium nitrate is the most common source of calcium used in these preparations.
António G.B. Castro   +24 more
core   +2 more sources

Effect of type of calcium phosphate on microstructure and properties of glass reinforced biocomposites [PDF]

open access: yesProcessing and Application of Ceramics, 2007
In the present study two different types of calcium phosphates (synthetic calcium phosphates (SCP) and biogenic hydroxyapatite (BHA)) were used to produce porous biocomposites with addition of 35.5–41.0 wt% SiO2-Na2O-B2O3 glass.
Olena Sych, Nataliya Pinchuk
doaj  

Structural studies of hydrated samples of amorphous calcium phosphate and phosphoprotein nanoclusters [PDF]

open access: yes, 2016
There are abundant examples of nanoclusters and inorganic microcrystals in biology. Their study under physiologically relevant conditions remains challenging due to their heterogeneity, instability, and the requirements of sample preparation.
Holt, Carl   +8 more
core   +1 more source

Amorphous Calcium Phosphate and Amorphous Calcium Phosphate Carboxylate: Synthesis and Characterization

open access: yesACS Omega, 2023
Amorphous calcium phosphate (ACP) is the first solid phase precipitated from a supersaturated calcium phosphate solution. Naturally, ACP is formed during the initial stages of biomineralization and stabilized by an organic compound. Carboxylic groups containing organic compounds are known to regulate the nucleation and crystallization of hydroxyapatite.
Indurkar, Abhishek   +6 more
openaire   +4 more sources

Preparation of a Resorbable Osteoinductive Tricalcium Phosphate Ceramic [PDF]

open access: yes, 2008
Over the past decade we have demonstrated numerous times that calcium phosphates can be rendered with osteoinductive properties by introducing specific surface microstructures1.
Blitterswijk, Clemens A. van   +3 more
core   +2 more sources

Speciation of phosphorus in a fertilized, reduced-till soil system: in-field treatment incubation study [PDF]

open access: yes, 2012
Citation: Khatiwada, Raju, Ganga M. Hettiarachchi, David B. Mengel, and Mingwei Fei. “Speciation of Phosphorus in a Fertilized, Reduced-Till Soil System: In-Field Treatment Incubation Study.” Soil Science Society of America Journal 76, no. 6 (2012): 2006–
Arai   +67 more
core   +2 more sources

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Calcium phosphate crystal forms in human jaw bones of changed osteoporotic structure [PDF]

open access: yesStomatološki glasnik Srbije, 2011
Introduction. Calcium phosphates are chemical compounds that can be found in various forms within nature, as well as in human jaws and bones. The aim of this study was to assess the structure of solid chemical compounds which form the structure of ...
Poštić Srđan D.
doaj   +1 more source

Enhanced stability and local structure in biologically relevant amorphous materials containing pyrophosphate [PDF]

open access: yes, 2011
There is increasing evidence that amorphous inorganic materials play a key role in biomineralisation in many organisms, however the inherent instability of synthetic analogues in the absence of the complex in vivo matrix limits their study and clinical ...
Burnell, Victoria   +6 more
core   +2 more sources

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy