Comparison of Effects of Mixing and Infiltration of Hydroxyapatite with Calcium Nitrate

Qi, jiapeng (2016) Comparison of Effects of Mixing and Infiltration of Hydroxyapatite with Calcium Nitrate. Master's Thesis, University of Pittsburgh. (Unpublished)

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Abstract

Aimed to enhance the release of calcium ions to promote the cell expansion and growth of HSCs, a controlled gradient of CaO close to the exterior surface is designed in this study by infiltration. To establish a comparison with infiltration, an experiment of direct mixing HA with CaO is also conducted. XRD result revealed that the extra CaO incorporated into HA caused the formation of tetracalcium phosphate (Tetcp), which played a significant part in the formation of a surface precipitate and weight gain of the samples during immersion of the samples in saline. Infiltrated materials that showed less Tetcp formation showed weight loss and less surface precipitation.

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Details

Item Type:	University of Pittsburgh ETD
Status:	Unpublished
Creators/Authors:	Creators Email Pitt Username ORCID Qi, jiapeng jiq8@pitt.edu JIQ8
ETD Committee:	Title Member Email Address Pitt Username ORCID Committee Chair Nettleship, Ian nettles@pitt.edu NETTLES Committee Member Wang, Qingming qmwang@engr.pitt.edu QIW4 Committee Member Lee, Jung-Kun jul37@pitt.edu JUL37
Date:	15 June 2016
Date Type:	Publication
Defense Date:	1 April 2016
Approval Date:	15 June 2016
Submission Date:	1 April 2016
Access Restriction:	No restriction; Release the ETD for access worldwide immediately.
Number of Pages:	78
Institution:	University of Pittsburgh
Schools and Programs:	Swanson School of Engineering > Mechanical Engineering and Materials Science
Degree:	MS - Master of Science
Thesis Type:	Master's Thesis
Refereed:	Yes
Uncontrolled Keywords:	Hydroxyapatite HA CaO mixing infiltration
Date Deposited:	15 Jun 2016 13:50
Last Modified:	15 Nov 2016 14:32
URI:	http://d-scholarship.pitt.edu/id/eprint/27564

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