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XPS study for the microstructure development of hydroxyapatite–collagen nanocomposites cross-linked using glutaraldehyde

Paper ID Volume ID Publish Year Pages File Format Full-Text
13253 846 2002 7 PDF Available
Title
XPS study for the microstructure development of hydroxyapatite–collagen nanocomposites cross-linked using glutaraldehyde
Abstract

X-ray photoelectron spectroscopy (XPS) was measured for the dry body of hydroxyapatite (HAP)–collagen (COL) nanocomposites cross-linked using glutaraldehyde (GA). Survey scan XPS showed the elemental spectra of N, C, O, Ca and P, which came from HAP and COL. The covalent bond formation between Ca2+ of HAP and RCOO− of COL molecule was confirmed by XPS. The bridge formation between COL fibers could be assessed from C1s and N1s band spectrum. The dehydration of swelling water during drying led to the reduction of linking distance for pendant GA between COL fibrils and contributed to further cross-linkage reaction. Cross-linkage induced the enlargement of length scale unit of COL. The modification of length scale was doing the key role of structure manipulation in the cross-linked HAP–COL nanocomposites.

Keywords
Hydroxyapatite–collagen nanocomposite; XPS; Glutaraldehyde; Cross-linkage; Length scale
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XPS study for the microstructure development of hydroxyapatite–collagen nanocomposites cross-linked using glutaraldehyde
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 23, Issue 18, September 2002, Pages 3879–3885
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
Any Questions? feel free to contact us