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Showing 81-100 of 10,000 results
  1. Microwave-Assisted Hydrothermal Synthesis of Ceric-Ammonium Phosphates (NH4)2Ce(PO4)2⋅H2O and NH4Ce2(PO4)3

    Abstract

    The possibility of preparation of crystalline double cerium(IV) phosphates (NH 4 ) 2 Ce(PO 4 ) 2 ⋅H 2 O and NH 4 Ce 2 (PO 4 ) 3 under the conditions of...

    I. V. Tronev, E. D. Sheichenko, ... V. K. Ivanov in Russian Journal of Inorganic Chemistry
    Article 01 March 2023
  2. Calcium-to-phosphorus releasing ratio affects osteoinductivity and osteoconductivity of calcium phosphate bioceramics in bone tissue engineering

    Calcium phosphate (Ca-P) bioceramics, including hydroxyapatite (HA), biphasic calcium phosphate (BCP), and beta-tricalcium phosphate (β-TCP), have...

    Pan **, Lei Liu, ... Tongmeng Jiang in BioMedical Engineering OnLine
    Article Open access 09 February 2023
  3. Extracting valuable compounds from shrimp shell waste: recovery of high-quality as calcium-centric resources for hydroxyapatite production

    This feasibility study investigates the potential use of shrimp shell waste derived from peeled fresh and dried shrimp as a source of calcium (Ca) to...

    Kamalia A. Zakaria, Norhafiza I. Yatim, ... Nor Azman Kasan in Journal of the Australian Ceramic Society
    Article 10 January 2024
  4. Manufacturing of a Composite Based on a Mixture of Calcium Phosphates and an Alginate–Chitosan Polyelectrolyte Complex

    Abstract

    Composites have been manufactured based on a mixture of calcium phosphates and an alginate-chitosan polyelectrolyte complex (PEC). The...

    A. A. Tsyganova, O. A. Golovanova, A. N. Elovsky in Russian Journal of Inorganic Chemistry
    Article 01 July 2020
  5. Polymer/calcium phosphate biocomposites manufactured by selective laser sintering: an overview

    Additive manufacturing (AM) has driven important advances in implantable devices for tissue regeneration. Selective Laser Sintering (SLS), also known...

    Henrique Schappo, Karine Giry, ... Dachamir Hotza in Progress in Additive Manufacturing
    Article 20 August 2022
  6. Ion release, biocompatibility, and bioactivity of resin-modified calcium hydroxide cavity liners

    Background

    The placement of liners near the pulp area is essential for therapeutic effects and maintaining pulp health while stimulating the formation...

    Nastaran Taghvaei, Mehrsima Ghavami-Lahiji, ... Ehsan Zamani in BMC Oral Health
    Article Open access 21 December 2023
  7. Normal Regulation of Serum Calcium

    Serum calcium is tightly regulated within the normal range due to its importance in many physiological processes. The major regulatory hormones...
    Ryan Spiardi, Abdallah S. Geara in Hypercalcemia
    Chapter 2022
  8. Quaternised chitosan composites with in situ precipitated nano calcium phosphate for making bioactive and degradable tissue engineering scaffolds

    Bioactive composites of chitosan with calcium phosphate mineral particles are considered good platform for guided bone regeneration (GBR) scaffolds....

    R. K. Adarsh, Eva C. Das, ... Manoj Komath in Journal of Polymer Research
    Article 10 June 2022
  9. Calcium: Why Is It Important?

    Calcium is the fifth-most abundant element in the human body. As electrolytes, calcium ions play a vital role in the physiological and biochemical...
    Mahmoud F. Sakr in Parathyroid Gland Disorders
    Chapter 2022
  10. GREEN LUMINOPHORS IN THE FAMILY OF PHOSPHATES WITH WHITLOCKITE STRUCTURE

    Abstract

    Phosphates Ca 9 Gd 1– x Tb x (PO 4 ) 7 with whitlockite structure are prepared for the first time by the solid-phase method. The obtained compounds...

    I. V. Nikiforov, D. V. Deyneko, ... B. I. Lazoryak in Journal of Structural Chemistry
    Article 01 October 2021
  11. Advanced techniques to remove phosphates and nitrates from waters: a review

    At high levels, phosphates and nitrates from mineral fertilizers and wastewaters are contaminating natural waters, leading, for example, to...

    Karthik Velusamy, Selvakumar Periyasamy, ... Balakrishnan Subhashini in Environmental Chemistry Letters
    Article 13 April 2021
  12. Physicochemical Properties and Osseointegration of Titanium Implants with Bioactive Calcium Phosphate Coatings Produced by Detonation Spraying

    Abstract—

    Detonation spraying is thought to be a promising approach to producing calcium phosphate bioceramic coatings on various implants owing to...

    A. S. Skryabin, P. A. Tsygankov, ... Yu. S. Lukina in Inorganic Materials
    Article 01 January 2022
  13. Features of the Behavior of Calcium and Magnesium Phosphate Sorbents in Water and Electrolyte Solutions

    Abstract

    The hydrolytic stability of calcium and magnesium phosphates in aqueous solutions was studied in a wide pH range and in the presence of NaCl...

    I. L. Shashkova, N. V. Kitikova, A. I. Ivanets in Russian Journal of Applied Chemistry
    Article 01 May 2021
  14. Flaxseed mucilage/calcium phosphate composites as bioactive material for bone tissue regeneration

    Biocompatible polymers are attractive material for the manufacturing of surgical implants which break down in vivo without the necessity for a...

    Ahmed Salama, Safaa Saleh, ... Emad Tolba in Polymer Bulletin
    Article Open access 07 February 2023
  15. Partial equilibration during dissolution of calcium hydrogen phosphate in aqueous sodium hydrogen citrate: mechanism behind spontaneous supersaturation increasing calcium bioaccessibility

    The higher bioaccessibility of calcium from citrates compared to other salts, often explained by the capacity of hydroxycarboxylates like citrate...

    **ao-Chen Liu, Jesper S. Hansen, Leif H. Skibsted in European Food Research and Technology
    Article 25 August 2022
  16. Influences of biosilica content from Amazonian freshwater sponge on calcium phosphates

    In this work, hydroxyapatite (HA) reinforced with biogenic silica from Amazonian freshwater sponge, collected at Negro River, Amazonas, was produced...

    Suzana Barreto Noronha Ribeiro, Valdir Florêncio da Veiga Junior, ... Marcelo Henrique Prado da Silva in Journal of the Australian Ceramic Society
    Article 31 August 2020
  17. The ER calcium channel Csg2 integrates sphingolipid metabolism with autophagy

    Sphingolipids are ubiquitous components of membranes and function as bioactive lipid signaling molecules. Here, through genetic screening and...

    Shiyan Liu, Mutian Chen, ... Kefeng Lu in Nature Communications
    Article Open access 22 June 2023
  18. P-type calcium ATPases play important roles in biotic and abiotic stress signaling

    Main conclusion

    Knowledge of Ca 2+ -ATPases is imperative for improving crop quality/ food security, highly threatened due to global warming. Ca 2+ -ATPas...

    Kumari Chandan, Meenakshi Gupta, ... Maryam Sarwat in Planta
    Article 26 June 2024
  19. Water Treatment and Scaling in Distribution Pipes—The Impact of Silica and Phosphate on Calcium Carbonate Precipitation

    Scaling due to the precipitation of CaCO3 in water distribution systems results in flow restrictions and head loss, damage to plumbing fixtures, and...
    Conference paper 2024
  20. Novel insights into the mechanism of lime method based on calcium dioleate and mineral surface transformation

    The lime method is one of the most common flotation processes, which can achieve flotation separation of scheelite, fluorite and calcite. The large...

    Wen-juan Sun, Hai-sheng Han, ... Ruo-lin Wang in Journal of Central South University
    Article 01 September 2023
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