Search Results - "Youling, Yuan"

Deacetylation of Chitosan: Material Characterization and in vitro Evaluation via Albumin Adsorption and Pre-Osteoblastic Cell Cultures by Yuan, Youling, Chesnutt, Betsy M, Haggard, Warren O, Bumgardner, Joel D

“…Degree of deacetylation (DDA) and molecular weight (MW) of chitosans are important to their physical and biological properties. In this study, two chitosans,…”
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Composite chitosan/nano-hydroxyapatite scaffolds induce osteocalcin production by osteoblasts in vitro and support bone formation in vivo by Chesnutt, Betsy M, Yuan, Youling, Buddington, Karyl, Haggard, Warren O, Bumgardner, Joel D

“…There is a significant clinical need to develop alternatives to autografts and allografts for bone grafting procedures. Porous, biodegradable scaffolds based…”
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The integration of chitosan-coated titanium in bone: an in vivo study in rabbits by Bumgardner, Joel D, Chesnutt, Betsy M, Yuan, Youling, Yang, Yunzhi, Appleford, Mark, Oh, Sunho, McLaughlin, Ronald, Elder, Steven H, Ong, Joo L

“…Much research is directed at surface modifications to enhance osseointegration of implants. A new potential coating is the biopolymer, chitosan, the…”
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Bone cell attachment and growth on well-characterized chitosan films by Hamilton, Virginia, Yuan, Youling, Rigney, Debbie A, Chesnutt, Betsy M, Puckett, Aaron D, Ong, Joo L, Yang, Yunzhi, Haggard, Warren O, Elder, Steven H, Bumgardner, Joel D

“…Chitosan has been widely researched for bone tissue and implant applications. While initial results are promising, there are inconsistent reports regarding the…”
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Synthesis and characterization of chitosan grafted poly( N, N-dimethyl- N-methacryloxyethyl- N-(3-sulfopropyl) ammonium) initiated by ceric (IV) ion by Zhang, Jun, Yuan, Youling, Shen, Jian, Lin, Sicong

“…Grafting of N, N-dimethyl- N-methacryloxyethyl- N-(3-sulfopropyl) ammonium (DMMSA) onto chitosan using ceric ammonium nitrate as an initiator was studied under…”
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Ozone-induced grafting phosphorylcholine polymer onto silicone film grafting 2-methacryloyloxyethyl phosphorylcholine onto silicone film to improve hemocompatibility by Xu, Jianmin, Yuan, Youling, Shan, Bing, Shen, Jian, Lin, Sicong

“…Ozonization, a novel surface modification method, has been developed to improve hemocompatibility of polymeric biomaterials. The silicone film was exposed to…”
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Surface modification of segmented poly(ether urethane) by grafting sulfo ammonium zwitterionic monomer to improve hemocompatibilities by Jun, Zhang, Youling, Yuan, Kehua, Wu, Jian, Shen, Sicong, Lin

“…Segmented poly(ether urethane) (SPEU) was synthesized from 4,4′-diphenylmethane-diisocyanate, polytetramethylene glycol and 1,4-butandiol. SPEU was…”
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Grafting sulfobetaine monomer onto silicone surface to improve haemocompatibility by Yuan, Youling, Zang, Xiaopeng, Ai, Fei, Zhou, Jun, Shen, Jian, Lin, Sicong

“…Silicone rubber has been used as a biomaterial for more than two decades and displays good mechanical and optical properties, but its chemical nature, poor…”
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Preparation and blood compatibility of phosphorylcholine-bonded O-butyrylchitosan by Zhu, Aiping, Shan, Bing, Yuan, Youling, Shen, Jian

“…2‐Methacryloyloxyethyl phosphorylcholine (MPCE) was synthesized using phosphorus trichloride, ethylene glycol, 2‐hydroxyethyl methacrylate and triethylamine,…”
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A novel zirconocene/ultradispersed diamond black powder supported catalytic system for ethylene polymerization by Yuan, Youling, Wang, Li, Feng, Linxian, Xu, Kang, Shen, Jian

“…A novel carrier of ultradispersed diamond black powder (UDDBP) was used to support metallocene catalyst. Al 2O 3 was also used as carrier in order to compare…”
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Short chain-branched polyethylene produced by [(CH3)2C(η-C5H4)(η-C9H6)]ZrCl2 and [CH2(CH2)4C(η-C5H4)(η-C9H6)]ZrCl2 metallocene catalyst by Wang, Li, Yuan, Youling, Feng, Linxian, Wang, Youxiang, Pan, Jie, Ge, Congxin, Ji, Bing

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Design and characterization of a novel chitosan/nanocrystalline calcium phosphate composite scaffold for bone regeneration by Chesnutt, Betsy M., Viano, Ann M., Yuan, Youling, Yang, Yunzhi, Guda, Teja, Appleford, Mark R., Ong, Joo L., Haggard, Warren O., Bumgardner, Joel D.

“…To meet the challenge of regenerating bone lost to disease or trauma, biodegradable scaffolds are being investigated as a way to regenerate bone without the…”
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Preparation of branched polyethene using a soluble zirconocene catalyst by Yuan, Youling, Wang, L i, Feng, Linxian

“…[Me2C(Cp) (Ind)]ZrCl2 metallocene catalyst has been prepared and employed in a study of ethene polymerization in the presence of the cocatalyst…”
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Preparation of novel magnetic polyethylene through polymerization in situ using CrxFe3-xO4/AlR3/TiCl4 supported nanometer magnetic Ziegler-Natta catalyst by WANG, L, YUAN, Y, FENG, L.-X

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Mechanical property, degradation rate, and bone cell growth of chitosan coated titanium influenced by degree of deacetylation of chitosan by Yuan, Youling, Chesnutt, Betsy M., Wright, Lee, Haggard, Warren O., Bumgardner, Joel D.

“…Chitosan has shown promise as a coating for dental/craniofacial and orthopaedic implants. However, the effects of degree of deacetylation (DDA) of chitosan on…”
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Platelet adhesive resistance of segmented polyurethane film surface-grafted with vinyl benzyl sulfo monomer of ammonium zwitterions by Zhang, Jun, Yuan, Jiang, Yuan, Youling, Zang, Xiaopeng, Shen, Jian, Lin, Sicong

“…Platelet from human plasma adhered on the segmented poly(ether urethane) (SPEU) film grafted with N, N-dimethyl- N-( p-vinylbenyl)- N-(3-sulfopropyl) ammonium…”
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Polyurethane vascular catheter surface grafted with zwitterionic sulfobetaine monomer activated by ozone by Yuan, Youling, Ai, Fei, Zang, Xiaopeng, Zhuang, Wei, Shen, Jian, Lin, Sicong

“…Polyurethane (PU) is a conventional biomedical material with favorable biocompatibility and excellent mechanical properties and widely used in making vascular…”
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Chemical modification of cellulose membranes with sulfo ammonium zwitterionic vinyl monomer to improve hemocompatibility by Zhang, Jun, Yuan, Jiang, Yuan, Youling, Shen, Jian, Lin, Sicong

“…Platelets from human plasma adhered on the cellulose membranes grafted with N, N-dimethyl- N-methacryloxyethyl- N-(3-sulfopropyl) ammonium (DMMSA) was studied…”
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Effects of material property and heat treatment on nanomechanical properties of chitosan films by Majd, Shervin, Yuan, Youling, Mishra, Sanjay, Haggard, Warren O., Bumgardner, Joel D.

“…The influence of degree of deacetylation (DDA), molecular weight (MW), and heat treatment on nanomechanical properties of three different chitosan coatings was…”
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Surface modification of SPEU films by ozone induced graft copolymerization to improve hemocompatibility by Yuan, Youling, Zhang, Jun, Ai, Fei, Yuan, Jiang, Zhou, Jun, Shen, Jian, Lin, Sicong

“…Surface modification of segmented poly(ether urethane) (SPEU) by graft copolymerization with N, N′-dimethyl- N-methacryloyloxyethyl- N-(3-sulfopropyl) ammonium…”
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