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Displaying 1 - 25 of 152

Engineering 3D Printed Scaffolds with Tunable Hydroxyapatite

June 15, 2022
Author(s)
Yoontae Kim, Eun Jin Lee, Anthony Kotula, Shozo Takagi, Laurence C. Chow, Styliani Alimperti
Bone grafting is a surgical procedure to bone repair due to trauma or diseases in the craniofacial and dental area. Current limitations of autogenous and allogeneic grafts are often associated with reduced host-graft integration due to geometrical confor

Mechanical Strength of Various Types of Calcium Phosphate Cements

October 12, 2021
Author(s)
Y Matsuya, S Matsuya, Joseph M. Antonucci, S. Takagi, Laurence Chow, A Akashi, A Akamine
It has been reported that organic or polymeric calcium phosphate cements can be made from reactive calcium phosphates with various organic acids or poly(alkenoic acids). Some of these cements are already commercially available for use as bioactive liners

Influence of Particle Size on DCPD Hydrolysis and Setting Properties of TTCP/DCPD Cement

February 19, 2017
Author(s)
Limin Sun, Laurence C. Chow, Shozo Takagi, Elena F. Burguera, Stanislav Frukhtbeyn
This study investigated the effects of particle size on the hydrolysis reaction of DCPD at pH 7 and 37 C and on the setting properties of a TTCP/DCPD cement. The kinetics of the hydrolysis reaction was controlled by a nucleation and growth mechanism

Gradient Nanofiber Scaffold Libraries for Screening Cell Response to Poly(e-caprolactone)-Calcium Phosphate Composites

March 1, 2013
Author(s)
Carl G. Simon Jr., Limin Sun, Laurence C. Chow, William Miles, Christopher K. Tison, Kaushik Chatterjee, Marian F. Young, Vinoy Thomas, Murugan Ramalingam
A 2-spinnerette approach has been developed for fabricating nanofiber scaffold gradients for use as 1) scaffold libraries for screening the effect of nanofiber properties on cell response and 2) templates for generating graded tissue interfaces. Although

A new approach to prepare well-dispersed CaF2 nanoparticles by spray drying technique

August 5, 2011
Author(s)
Limin Sun, Laurence C. Chow, John E. Bonevich, James W. Mitchell
Previously, a nano-sized calcium fluoride (CaF2) was prepared using a spray drying method by simultaneously feeding Ca(OH)2 and NH4F solutions to a two-liquid nozzle. The aim of the present study was to prepare better-dispersed nano CaF2 particles by co

In Vitro and in Vivo Characteristics of Fluorapatite-forming Calcium Phosphate Cements

August 1, 2010
Author(s)
Shozo Takagi, Stanislav A. Frukhtbeyn, Laurence C. Chow, Akiyoshi Sugawara, Kenji Fujikawa, Kidehiro Ogata, Makoto Hayashi, Bunnai Ogiso
This study reports for the first time in vitro and in vivo properties of fluorapatite (FA)-forming calcium phosphate cements (CPCs). The experimental cements contained from (0 to 3.3) mass % of F, corresponding to presence of FA at levels of approximately