Journal of Biomedical Materials Research - Part A

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Conformation change of bovine serum albumin induced by bioactive titanium metals and its effects on cell behaviors
Journal of Biomedical Materials Research - Part A - Tập 102 Số 4 - Trang 1053-1062 - 2014
Xiaoyu Hu, Bang Cheng Yang
The conformation change of bovine serum albumin (BSA) induced by bioactive titanium surfaces, including acid‐alkali‐treated titanium (AA‐Ti) and alkali–heat‐treated titanium (AH‐Ti), was studied, and its effects on the activity of MC3T3‐E1 cell were evaluated. Pure titanium metal (P‐Ti) was used as control. The AA‐Ti could adsorb more BSA on its surface than AH‐Ti and P‐Ti. The α‐helix par...... hiện toàn bộ
Increased osteoblast adhesion on titanium‐coated hydroxylapatite that forms CaTiO3
Journal of Biomedical Materials Research - Part A - Tập 67A Số 3 - Trang 975-980 - 2003
Thomas J. Webster, Celaletdin Ergun, Robert H. Doremus, W. A. Lanford
AbstractCaTiO3 is a strong candidate to form at the interface between hydroxylapatite (HA) and titanium implants during many coating procedures. However, few studies have compared the cytocompatibility properties of CaTiO3 to HA pertinent for bone–cell function. For this reason, the objective of the present in ...... hiện toàn bộ
Antimicrobial effect of silver‐doped phosphate‐based glasses
Journal of Biomedical Materials Research - Part A - Tập 79A Số 3 - Trang 618-626 - 2006
Ifty Ahmed, Derren Ready, Martin Wilson, Jonathan C. Knowles
AbstractIn this study a range of phosphate‐based glasses (PBG) doped with silver have been investigated for their antimicrobial activities. In disk diffusion assays, these compositions demonstrated microbistatic effects against a range of organisms including Staphylococcus aureus, Escherichia coli, ...... hiện toàn bộ
Corneal epithelial adhesion strength to tethered‐protein/peptide modified hydrogel surfaces
Journal of Biomedical Materials Research - Part A - Tập 72A Số 1 - Trang 19-24 - 2005
Christopher S. Wallace, Jean T. Jacob, Albert Stoltz, Jingjing Bi, K.J. Bundy
AbstractIn this study, we investigated the suitability of microjet impingement for use on hydrogel materials to determine the cellular adhesion strength of corneal epithelial cells grown on novel hydrogels with extracellular matrix proteins (laminin and/or fibronectin) or a peptide sequence (fibronectin adhesion promoting peptide, FAP) tethered to their surface wit...... hiện toàn bộ
Activation of coagulation and platelets by candidate membranes of implantable devices in a whole blood model without soluble anticoagulant
Journal of Biomedical Materials Research - Part A - Tập 101A Số 2 - Trang 575-581 - 2013
Andrey Sokolov, Bernt Christian Hellerud, Tor Inge Tønnessen, Erik Johannessen, Tom Eirik Mollnes
AbstractImplantable devices are challenged with thrombus formation at their biomaterial interface. Thus the importance of identifying compatible biomaterials that will help to improve the performance of these devices are becoming increasingly paramount. The aim of this study was to evaluate the activation of coagulation and platelets by candidate membranes consider...... hiện toàn bộ
Dual functionalized poly(vinylidene fluoride) membrane with acryloylmorpholine and argatroban to improve antifouling and hemocompatibility
Journal of Biomedical Materials Research - Part A - Tập 105 Số 1 - Trang 178-188 - 2017
Rui Xu, Qianqian Feng, Yang He, Fanyong Yan, Li Chen, Yiping Zhao
AbstractThe present work aims to improve the antifouling properties and anticoagulation of poly(vinylidene fluoride) (PVDF) membrane by dual modification. An amphiphilic copolymer of PVDF‐g‐(polyacryloylmorpholine‐(polyacrylic acid)) [PVDF‐g‐(PACMO‐PAA)] was first prepared by the free radical copolymerization. Then argatroban, a commonly ...... hiện toàn bộ
Hemocompatibility evaluation of poly(1,8‐octanediol citrate) blend polyethersulfone membranes
Journal of Biomedical Materials Research - Part A - Tập 105 Số 5 - Trang 1510-1520 - 2017
Muhamad Zulhilmi Zailani, Ahmad Fauzi Ismail, Siti Hamimah Sheikh Abdul Kadir, Mohd Hafiz Dzarfan Othman, Pei Sean Goh, Hasrinah Hasbullah, Mohd Sohaimi Abdullah, Be Cheer Ng, Fatmawati Kamal
AbstractIn this study, poly (1,8‐octanediol citrate) (POC) was used to modify polyethersulfone (PES)‐based membrane to enhance its hemocompatibility. Different compositions of POC (0–3%) were added into the polyethersulfone (PES) dope solutions and polyvinylpyrrolidone (PVP) was used as pore forming agent. The hemocompatible POC modified PES membranes were fabricat...... hiện toàn bộ
Surface functional group dependent apatite formation on bacterial cellulose microfibrils network in a simulated body fluid
Journal of Biomedical Materials Research - Part A - Tập 81A Số 1 - Trang 124-134 - 2007
Thi Thi Nge, Junji Sugiyama
AbstractThe apatite forming ability of biopolymer bacterial cellulose (BC) has been investigated by soaking different BC specimens in a simulated body fluid (1.5 SBF) under physiological conditions, at 37°C and pH 7.4, mimicking the natural process of apatite formation. From ATR‐FTIR spectra and ICP‐AES analysis, the crystalline phase nucleated on the BC microfibri...... hiện toàn bộ
An overview of recent advances in designing orthopedic and craniofacial implants
Journal of Biomedical Materials Research - Part A - Tập 101 Số 11 - Trang 3349-3364 - 2013
V.R. Mantripragada, Beata Lecka‐Czernik, Nabil A. Ebraheim, Ambalangodage C. Jayasuriya
Great deal of research is still going on in the field of orthopedic and craniofacial implant development to resolve various issues being faced by the industry today. Despite several disadvantages of the metallic implants, they continue to be used, primarily because of their superior mechanical properties. In order to minimize the harmful effects of the metallic implants and its by‐products...... hiện toàn bộ
Primary human osteoblasts grow into porous tantalum and maintain an osteoblastic phenotype
Journal of Biomedical Materials Research - Part A - Tập 84A Số 3 - Trang 691-701 - 2008
Katie J. Welldon, Gerald J. Atkins, Donald W. Howie, David M. Findlay
AbstractPorous tantalum (Ta) has found application in orthopedics, although the interaction of human osteoblasts (HOB) with this material has not been reported. The aim of this study was to investigate the interaction of primary HOB with porous tantalum, using 5‐mm thick discs of porous tantalum. Comparison was made with discs of solid tantalum and tissue culture p...... hiện toàn bộ
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