Journal of Biomedical Materials Research - Part A

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Biocompatibility of poly(ether)urethane‐gold nanocomposites
Journal of Biomedical Materials Research - Part A - Tập 79A Số 4 - Trang 759-770 - 2006
Shan‐hui Hsu, Cheng‐Ming Tang, Hsiang‐Jung Tseng
AbstractWe have prepared the nanocomposites of a polyether‐type waterborne polyurethane (PU) incorporated with different amounts (17.4–174 ppm) of gold (Au) nanoparticles (∼5 nm). The nanocomposite containing a certain amount (43.5 ppm) of gold was previously demonstrated to possess the optimal thermal and mechanical properties, as well as much reduced foreign body...... hiện toàn bộ
The effects of PRGF on bone regeneration and on titanium implant osseointegration in goats: A histologic and histomorphometric study
Journal of Biomedical Materials Research - Part A - Tập 91A Số 1 - Trang 158-165 - 2009
Eduardo Anitua, Gorka Orive, Rafael Plá, Pedro Amigo Román, Victoriano Serrano, Isabel Andı́a
AbstractThe effect of local application of scaffold‐like preparation rich in growth factors (PRGF) on bone regeneration in artificial defects and the potential effect of humidifying titanium dental implants with liquid PRGF on their osseointegration were investigated. The PRGF formulations were obtained from venous blood of three goats and applied either as a 3D fi...... hiện toàn bộ
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
Osteoblasts behavior on chemically treated commercially pure titanium surfaces
Journal of Biomedical Materials Research - Part A - Tập 102 Số 6 - Trang 1816-1822 - 2014
Diego Pedreira de Oliveira, Annalisa Palmieri, Francesco Carinci, Claudemiro Bolfarini
AbstractSurface modifications of commercially pure titanium (Cp‐Ti), a material widely used to produce dental implants, can induce specific responses on osteoblastic cells after implantation. This work aims to investigate the influence of chemically modified surfaces of Cp‐Ti by acid etching or acid etching plus alkaline treatment on the gene expression of human os...... 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
Photochemical cross‐linking of plastically compressed collagen gel produces an optimal scaffold for corneal tissue engineering
Journal of Biomedical Materials Research - Part A - Tập 99A Số 1 - Trang 1-8 - 2011
Shengli Mi, Vitaliy V. Khutoryanskiy, Roanne R. Jones, Xiuping Zhu, Ian W. Hamley, Che J. Connon
AbstractThe experiments were designed to use photochemically cross‐linked plastically compressed collagen (PCPCC) gel to support corneal epithelial cells. A plastically compressed collagen (PCC) scaffold was photo cross‐linked by UVA in the presence of riboflavin to form a biomaterial with optimal mechanical properties. The breaking force, rheology, surgical suture...... 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
Crosslinking of collagen with dendrimers
Journal of Biomedical Materials Research - Part A - Tập 75A Số 3 - Trang 510-518 - 2005
Xiaodong Duan, Heather Sheardown
AbstractPolypropyleneimine octaamine dendrimers were studied as an alternative means of generating highly crosslinked collagen. Crosslinking was effected by using the water‐soluble carbodiimide 1‐ethyl‐3‐(3‐dimethyl aminopropyl) carbodiimide hydrochloride (EDC). The multifunctional dendrimers were introduced as novel crosslinkers after the activation of the carboxy...... hiện toàn bộ
Platelet activation through interaction with hemodialysis membranes induces neutrophils to produce reactive oxygen species
Journal of Biomedical Materials Research - Part A - Tập 77A Số 2 - Trang 294-303 - 2006
Saotomo Itoh, Chie Susuki, Tsutomu Tsuji
AbstractThe intradialytic activation of leukocytes is one of the major causes of hemodialysis‐associated complications. During hemodialysis, the formation of microaggregates consisting of platelets and neutrophils has been observed to accompany the production of reactive oxygen species (ROS) by leukocytes. In this study, we investigated the interaction of platelets...... hiện toàn bộ
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