U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 1 - 25 of 2768

Amorphous Calcium Phosphate

November 1, 2001
Author(s)
Laurence C. Chow, E D. Eanes
… those that are composed principally of calcium and phosphate are most abundant in the teeth and exoskeletal … invertebrates. The existence of similar amorphous calcium phosphate (ACP) minerals in vertebrate organisms, on the … Amorphous Calcium Phosphate … Amorphous calcium phosphate, apatite, calcium phosphates, calification, …

Interfacial Properties of Hydroxyapatite Fluoroapatite and Octacalcium Phosphate

October 1, 2001
Author(s)
Ming S. Tung, Drago Skrtic
… The surface properties of calcium phosphate salts, such as hydroxyapatite (OHAp), fluoroapatite (Fap) and octacalcium phosphate (OCP), determine their overall interfacial … Properties of Hydroxyapatite Fluoroapatite and Octacalcium Phosphate … charge, fluoroapatite, hydroxyapatite, octacalcium phosphate, surface composition …

Urethane Methacrylate Resin Based Amorphous Calcium Phosphate Composites

October 22, 2003
Author(s)
W F. Regnault, Drago Skrtic, Joseph M. Antonucci
… properties of potentially bioactive amorphous calcium phosphate composites derived from three types of urethane … buffered saline, and the release patterns of calcium and phosphate ions were influenced by the structure of the … amorphous calcium phosphate, biaxial flexure strength, composites, ion release …

Polymer Matrix Effects on the Properties of Amorphous Calcium Phosphate-Filled Composites

April 1, 2001
Author(s)
Drago Skrtic, Joseph M. Antonucci, D E. Eanes
… Calcium phosphate are funding increasing use as biomaterials, e.g. in … final stable product in the precipitation of calcium and phosphate ions from neutral or basic solutions and it is also … when precipation occurs spontaneously, amorphous calcium phosphate (ACP) precedes the formation of HAP. ACP, a …

Amorphous Calcium Phosphate/Urethane Methacrylate Resin Composites. I. Physicochemical Characterization

May 7, 2007
Author(s)
William Regnault, Tonya Icenogle, Joseph M. Antonucci, Drago Skrtic
… based on these three resins with amorphous calcium phosphate (ACP) as the filler phase were polymerized and … as a result of unfavorable changes in the internal calcium/phosphate ion stoichiometry, the ion release rate greatly … amorphous calcium phosphate, composite/hard tissue, ion release, mechanical …

IUPAC - NIST Solubility Data Series 68. Ammonium Phosphates

November 14, 2018
Author(s)
J Eysseltova, T P. Dirkse
… of ammonium phosphate is reviewed. Many ammonium phosphates can be described in terms of the ternary system:NH … ammonium compounds, aqueous solutions, phosphates, solubility … IUPAC - NIST Solubility Data Series 68. Ammonium Phosphates …

A Water Setting Tetracalcium Phosphate- Dicalcium Phosphate Dihydrate Cement

November 1, 2004
Author(s)
Elena F. Burguera, F Guitian, Laurence C. Chow
… This paper reports the development of a calcium phosphate cement, comprising tetracalcium phosphate (TTCP) and dicalcium phosphate dihydrate (DCPD), that hardens in 14 min with water … calcium phosphate, calcium phosphate cement, hydroxyapatite, mechcanical properties, …

Premixed Calcium Phosphate Cement Pastes

November 1, 2003
Author(s)
Shozo Takagi, Laurence C. Chow, S Hirayama, A Sugawara
… A self-hardening calcium phosphate cement (CPC-I), consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), has been shown in clinical … dicalcium phosphate glycerol, hydroxyapatite, hydroxypropyl … physicochemical properties, self-hardening calcium phosphate cement, tetracalcium phosphate, thicalcium phosphate …

The Potential of Highly Charged Ions: Possible Future Applications

September 1, 2007
Author(s)
John D. Gillaspy, Joshua M. Pomeroy, A C. Perrella, Holger Grube
… International Conference on the Physics of Highly Charged Ions. It briefly updates and extends an earlier review given … International Conference on the Physics Highly Charged Ions Proceedings … electron beam ion trap, euv lithography, highly charged ions, magnetic tunnel junctions, nanocrystals …

Reduced Hardening Time of Calcium Phosphate Cements

October 16, 2008
Author(s)
Milenko Markovic, S. Takagi, Laurence C. Chow
… The first self-hardening calcium phosphate cement (CPC) consisting of tetracalcium phosphate (TTCP, Ca 4 (PO 4 ) 2 O) and dicalcium phosphate anhydrous (DCPA, CaHPO 4 ) or dicalcium phosphate … calcium, calcium phosphate cement, crystallinity, hardening time, …

Thermodynamics of the Hydrolysis Reactions of +--D-galactose 1-phosphate, sn-glycerol 3-phosphate, 4 nitrophenyl phosphate, phosphocreatine, and 3-phospho-D-glycerate

May 1, 2009
Author(s)
Robert N. Goldberg, Brian E. Lang, Catherine T. Lo, David J. Ross, Yadu D. Tewari
… been used to conduct a thermodynamic investigation of five phosphate hydrolysis reactions: α-D-galactose 1 phosphate(aq) + H2O(l) = D-galactose(aq) + orthophosphate(aq) (1), sn-glycerol 3-phosphate(aq) + H2O(l) = glycerol(aq) + orthophosphate(aq) … apparent equilibrium constants, ±-D-galactose 1-phosphate, sn-glycerol 3 phosphate, 4 nitrophenyl phosphate, …

Effect of the Calcium to Phosphate Ratio of TTCP on the Properties of a TTCP-DCPD Bone Cement

September 17, 2007
Author(s)
Elena F. Burguera, F Guitian, Laurence C. Chow
… Six different tetracalcium phosphate products were synthesized by solid state reaction … at high temperature by varying the overall calcium to phosphate ratio of the synthesis mixture. The objective was to evaluate the effect of the calcium to phosphate ratio on a TTCP-DCPD cement. The resulting six …

An Octacalcium Phosphate Forming Cement

April 16, 2010
Author(s)
Milenko Markovic, Laurence C. Chow
… materials that contain OCP in its composition. Calcium phosphate cements (CPCs) were prepared using a mixture of α tricalcium phosphate (α TCP) and dicalcium phosphate anhydrous (DCPA), with α TCP/DCPA molar ratio of … Octacalcium Phosphate, Calcium Phosphate Cement, Cement liquids, …

Octacalcium Phosphate Carboxylates

December 1, 2001
Author(s)
Milenko Markovic
… aggregation, and phase transformation of calcium phosphate biominerals principally calcium hydroxyapatite (HA), Ca 10 (PO 4 ) 6 (OH) 2 , octacalcium phosphate (OCP), Ca 8 (HPO 4 ) 2 (PO 4 ) 4 5H 2 O, and dicalcium phosphate dihydrate (DCPD), CaHPO 4 2H 2 O in normal and …

Morphological and Phase Characterizations of Retrieved Calcium Phosphate Cement Implants

February 1, 2001
Author(s)
Shozo Takagi, Laurence C. Chow, Milenko Markovic, C D. Friedman, P D. Costantino
… A self-hardening calcium phosphate cement (CPC), consisting of equimolar amounts of tetracalcium phosphate and dicalcium phosphate anhydrous, hardens when mixed with water and forms … calcium phosphate biomaterial, calcium phosphate cement implant, carbonated hydroxyapatite, CPC …

Ethoxylated Bisphenol Dimethacrylate-Based Amorphous Calcium Phosphate Composites

January 1, 2006
Author(s)
Drago Skrtic, Joseph M. Antonucci, D W. Liu
… and mechanical properties of amorphous calcium phosphate composites has been the focus of our recent … amorphous calcium phosphate, biaxial flexure strength, degree of vinyl … Bisphenol Dimethacrylate-Based Amorphous Calcium Phosphate Composites …

Solubility of Calcium Phosphates

February 1, 2001
Author(s)
Laurence C. Chow
… the direction of many reactions that involve calcium phosphates such as dissolution, precipitation, hydrolysis, … better understanding of the solubility behavior of calcium phosphates, rather than provide a survey of the literature, … can dissolve into a unit volume of solution. For calcium phosphates, this quantity often changes by several orders of …

Injectable Calcium Phosphate Cements

October 16, 2008
Author(s)
Laurence C. Chow, Milenko Markovic, Shozo Takagi
… Self-hardening calcium phosphate cements (CPC) have been the subject of considerable … The first published CPCs consisted of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA) or of TTCP and dicalcium phosphate … Injectable Calcium Phosphate Cements …

Structural and Dynamical Studies of Acid Mediated Conversion in Amorphous-Calcium-Phosphate Based Dental Composites

October 31, 2014
Author(s)
Fan Zhang, Andrew Allen, Lyle E. Levine, Mark D. Vaudin, Drago Skrtic, Joseph M. Antonucci, Kathleen Hoffman, Anthony A. Giuseppetti, Jan Ilavsky
… Amorphous calcium phosphate (ACP) based composites are promising restorative … attributable to ACP's capacity to release calcium and phosphate ions through a complex reaction in which ACP is … apatitic form hydroxyapatite. The released calcium and phosphate ions have been shown to repair tooth damage by …
Displaying 1 - 25 of 2768
Was this page helpful?