Wiley

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Surface modification by alkali and heat treatments in titanium alloys
Wiley - Tập 61 Số 3 - Trang 466-473 - 2002
Baekhee Lee, Young Do Kim, Ji Hoon Shin, Kyu Hwan Lee
AbstractPure titanium and titanium alloys are normally used for orthopedic and dental prostheses. Nevertheless, their chemical, biological, and mechanical properties still can be improved by the development of new preparation technologies. This has been the limiting factor for these metals to show low affinity to living bone. The purpose of this study is to improve...... hiện toàn bộ
Diffusive and convective solute transport through hemodialysis membranes: A hydrodynamic analysis
Wiley - Tập 28 Số 5 - Trang 573-582 - 1994
L J Langsdorf, Andrew L. Zydney
AbstractRecent clinical studies have shown that the overall effectiveness of hemodialysis is determined by both the convective and diffusive transport of a wide range of different molecular weight solutes. In this study, transport data were obtained for vitamin B12 and for polydisperse dextrans with a wide range of molecular weights using flat ...... hiện toàn bộ
Neocartilage formation in vitro and in vivo using cells cultured on synthetic biodegradable polymers
Wiley - Tập 27 Số 1 - Trang 11-23 - 1993
Lisa E. Freed, John C. Marquis, A. Nohria, J. Emmanual, Antonios G. Mikos, Róbert Langer
AbstractCartilaginous implants for potential use in reconstructive or orthopedic surgery were created using chondrocytes grown on synthetic, biodegradable polymer scaffolds. Chondrocytes isolated from bovine or human articular or costal cartilage were cultured on fibrous polyglycolic acid (PGA) and porous poly(L)lactic acid (PLLA) and used in parallel ...... hiện toàn bộ
Bioerodible polyanhydrides as drug‐carrier matrices. I: Characterization, degradation, and release characteristics
Wiley - Tập 19 Số 8 - Trang 941-955 - 1985
Kam W. Leong, Brigitta C. Brott, Róbert Langer
AbstractPolyanhydrides based on a variety of aromatic and aliphatic dicarboxylic acids were developed as bioerodible carrier matrices for controlled delivery applications. The high hydrolytic reactivity of the anhydride linkage provides an intrinsic advantage over other classes of bioerodible polymers in versatility and control of degradation rates. For example, us...... hiện toàn bộ
Kinetic study of collagen fixation with polyepoxy fixatives
Wiley - Tập 27 Số 1 - Trang 3-9 - 1993
Ran Tu, Chunhua Lu, K Thyagarajan, E. Wang, Hieu T. Nguyen, S.H. Shen, Cary Hata, Rodolfo C. Quijano
AbstractA new biomaterial has been developed by fixing native collagen with a polyepoxy compound (PC) fixative. In this study, bovine internal thoracic arteries were fixed with PC under various conditions to help understand the kinetics of the collagen–PC reactions and optimize the fixation process. At predetermined time intervals, small samples were cut from the a...... hiện toàn bộ
Competitive adsorption of albumin against collagen at solution–air and solution–polythylene interfaces
Wiley - Tập 27 Số 2 - Trang 145-152 - 1993
Adam Baszkin, Marie Martine Boissonnade
AbstractThe adsorption of human serum albumin (HSA) from the binary mixtures with collagen was monitored at solution–air and solution–polyethylene interfaces by the in situ measurements. The results clearly demonstrate that on both interfaces albumin is the only adsorbing protein within a large collagen solution concentration range. At th...... hiện toàn bộ
Collagen at interfaces I. In situ collagen adsorption at solution/air and solution/polymer interfaces
Wiley - Tập 20 Số 7 - Trang 951-962 - 1986
Michel Deyme, Adam Baszkin, J. E. Proust, Éric Perez, Marie Martine Boissonnade
AbstractCollagen was isolated from rat tail tendons and acetylated with 1–14C acetic anhydride. In situ adsorption of this collagen from a buffer solution (pH = 2.7) was measured at the interfaces to air, polyethylene and polyethylene grafted with poly(maleic acid), respectively.The kinetics of adsorp...... hiện toàn bộ
Collagen at interfaces II: Competitive adsorption of collagen against albumin and fibrinogen
Wiley - Tập 21 Số 3 - Trang 321-328 - 1987
Michel Deyme, Adam Baszkin, J. E. Proust, Éric Perez, G. Albrecht, Marie Martine Boissonnade
AbstractAdsorption of chemically radiolabeled [14C] collagen from binary mixtures with albumin or fibrinogen was studied on the solution/air and solution/polyethylene interfaces and revealed the preferential adsorption of albumin. This phenomenon is confirmed by the data of surface tension measurements of single protein, collagen‐albumin, and c...... hiện toàn bộ
In situ gelling and mucoadhesive polymer vehicles for controlled intranasal delivery of plasmid DNA
Wiley - Tập 59 Số 1 - Trang 144-151 - 2002
Jeong‐Sook Park, Yu‐Kyoung Oh, Ho Sung Yoon, Jung Mogg Kim, Chong‐Kook Kim
AbstractNasal administration of plasmid DNA is emerging as a new route of delivery for therapeutic genes and DNA vaccines. To improve the intranasal absorption of plasmid DNA, we designed delivery systems composed of in situ gelling and mucoadhesive polymers. Poloxamers (Pol) were used to provide in situ gelling...... hiện toàn bộ
A new absorbable suture
Wiley - Tập 5 Số 2 - Trang 43-58 - 1971
E. J. Frazza, Emmanuel Schmitt
AbstractAlthough satisfactory nonabsorbable sutures made from a variety of synthetic and natural materials have been available for a number of years, since ancient times only collagenous absorbable sutures have found general acceptance. While adequate, catgut and the more recently developed regenerated collagens have inherent disadvantages common to many complex na...... hiện toàn bộ
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