Results 21 to 30 of about 97,428 (277)

Physico-chemical and thermochemical studies of the hydrolytic conversion of amorphous tricalcium phosphate into apatite [PDF]

, 2005
The conversion of amorphous tricalcium phosphate with different hydration ratio into apatite in water at 25 °C has been studied by microcalorimetry and several physical–chemical methods.
Betts, Blumenthal, Bonar, Boskey, Carayon, Christoffersen, Christoffersen, Christofferson, Clemens, Combes, de Bruijn, Eanes, Eanes, Eanes, Feng, Garcia, Gee, Gregory Makowski, Grynpas, Habelitz, Heughebaert, Huffman, Kanazaki, Knaack, Koutsoukos, Layrolle, Lebugle, Lowenstam, Maxian, Meyer, Meyer, Meyer, Nagano, Sauer, Scherrer, Shinn-jyh, Simkiss, Skertic, Somrani, Szivek, Termine, Termine, Termine, Tofighi, Treboux, Tung, Van Blitterswijk, Walton, Weichang, Weng, Weng, Wuthier, Yates   +52 more
core   +4 more sources

Hydrothermal-to-metasomatic overprint of the neovolcanic rocks evidenced by composite apatite crystals: a case study from the Maglovec Hill, Slanské vrchy Mountains, Slovakia

Geologica Carpathica, 2018
The apatite assemblage from Maglovec hill (Slanské vrchy Mountains near the city of Prešov) from fissures of hydrothermally altered neovolcanic rocks (andesites and related lithologies) was studied.
Mészárosová Noemi, Skála Roman, Matoušková Šárka, Mikysek Petr, Plášil Jakub, Císařová Ivana   +5 more
doaj   +1 more source

Spectroscopic, Raman, EMPA, Micro-XRF and Micro-XANES Analyses of Sulphur Concentration and Oxidation State of Natural Apatite Crystals

Crystals, 2020
Sulphur is the third most abundant volatile element in deep Earth systems. Analytical methods for accurately and efficiently determining the sulphur content and oxidation state in natural minerals are still lacking.
Bo Xu, Guanyu Kou, Barbara Etschmann, Daiyue Liu, Joël Brugger   +4 more
doaj   +1 more source

Beneficiation of phosphate sludge rejected from Djebel Onk plant (Algeria) [PDF]

, 2019
Purpose Flotation tests have been used in order to achieve the purposes of this study which are: To obtain the highest recovery with a maximum grade of P2O5 from the tailing generated by the phosphate plant of Djebel Onk in the East of Algeria.
Benselhoub, A, Bulut, G, Chettibi, M, Nettour, D   +3 more
core   +2 more sources

The Conversion of Inorganic Phosphorus Fractions, Phosphatase Activity, and Some Biological Properties in Sandy Soil Enriched with Minerals, Organic Matter, and Microbial Modifiers under Two Months of Incubation

علوم آب و خاک, 2022
This study investigated the effect of the inoculation of the soil with some phosphorus solubilizing microorganisms (PSM) on inorganic P fractions in sandy soil enriched with inorganic and organic amendments.
S. F. Hashemi, R. Zalaghi, N. Enayatizamir   +2 more
doaj  

Chemical Diversity of Apatites [PDF]

, 2006
Apatites can accommodate a large number of vacancies and afford multiple ionic substitutions determining their reactivity and biological properties. Unlike other biominerals they offer a unique adaptability to various biological functions.
Combes, Christèle, Drouet, Christophe, Rey, Christian, Sfihi, Hocine   +3 more
core   +2 more sources

Validity of the Apatite/Merrillite Relationship in Evaluating the Water Content in the Martian Mantle: Implications from Shergottite Northwest Africa (NWA) 2975

Geosciences, 2017
Phosphates from the Martian shergottite NWA 2975 were used to obtain insights into the source and subsequence differentiation of the melt/melts.
Ewa Słaby, Hans-Jürgen Förster, Richard Wirth, Alicja Wudarska, Łukasz Birski, Izabela Moszumańska   +5 more
doaj   +1 more source

Rates of sustainable forest harvest depend on rotation length and weathering of soil minerals [PDF]

, 2014
Removals of forest biomass in the northeastern US may intensify over the coming decades due to increased demand for renewable energy. For forests to regenerate successfully following intensified harvests, the nutrients removed from the ecosystem in the ...
Blum, Joel D., Hamburg, Steven P, Vadeboncoeur, Matthew A, Yanai, Ruth D   +3 more
core   +2 more sources

Fluoride-containing bioactive glasses: Effect of glass design and structure on degradation, pH and apatite formation in simulated body fluid [PDF]

, 2010
NOTICE: this is the author’s version of a work that was accepted for publication in Acta Biomaterialia. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms ...
Aaseth, Bohner, Brauer, Delia S. Brauer, Featherstone, Fujii, Hench, Hill, Jones, Jäger, Kim, Kokubo, Kokubo, LeGeros, Lu, Lusvardi, Lusvardi, Massiot, Matthew D. O’Donnell, Natalia Karpukhina, O’Donnell, Rey, Robert G. Hill, Robert V. Law, Tai, Thuy, Toby, Towler, Vestergaard, Webster   +29 more
core   +1 more source

Physico-chemical properties of nanocrystalline apatites: Implications for biominerals and biomaterials [PDF]

, 2007
Nanocrystalline apatites play an important role in biomineralisation and they are used as bioactive biominerals for orthopaedic applications. One of the most interesting characteristics of the nanocrystals, evidenced by spectroscopic methods, is the ...
Barroug, Allal, Combes, Christèle, Drouet, Christophe, Rey, Christian, Sfihi, Hocine   +4 more
core   +6 more sources