نتایج جستجو برای: medical polymer
تعداد نتایج: 684868 فیلتر نتایج به سال:
The present paper study about the green polymer nanocomposites (GPNCs), through this paper we study of bio-reinforced composites in automotive, construction, packaging and medical applications due to increased concern for environmental sustainability. In the study of Green polymer nanocomposites we learned unique properties of combining the advantages of natural fillers and organic polymers. Pl...
BACKGROUND Whether the rate of drug elution and polymer absorption affects clinical outcomes of biodegradable polymer-based drug-eluting stents (DES) is unknown. The widely used polylactide polymer-based Excel stent (JW Medical, Weihai, China) elutes sirolimus within 180 days, and the polylactide polymer is completely absorbed within 6 to 9 months. In contrast, the poly-lactide-co-glycolide pol...
The imaging capabilities of a multicore microstructured polymer optical fibre with a square array of 112 air holes are demonstrated. Coherent imaging is achieved either by guiding light in polymer cores between air holes, or by guiding light in the air channels themselves. This potentially provides a miniaturised endoscope for medical applications, or a two-dimensional parallel optical data lin...
Polymer–Protein Hybrids Polymer–protein hybrids provide a new route for protein stabilization in harsh environments. In article number 2201809, Michael A. Webb, Adam J. Gormley, and co-workers demonstrate strategy combining automated polymer synthesis machine learning to design copolymers tailored enhance the stability of target proteins. This may overcome challenges accelerate development asso...
In this investigation the friction and wear performance of GUR 1020 medical grade ultra-high molecular weight polyethylene (UHMWPE) polymer under dry sliding, distilled water and egg albumen lubrication conditions were evaluated. The sliding experiments were carried out on a pin-on-disc tribometer. The contact configuration used was a polymer pin on a rotating AISI 304L stainless steel disc. We...
Background & Aims: In this study, a magnetic molecular imprinted polymer was used to measure the diltiazem drug. Based on the structure and pharmaceutical agent group, methacrylic acid was selected as a monomer for Diltiazem. Ethylene glycol de-methacrylate and azobisisobutyronitrile were used as cross-linkers and polymerisation initiators, respectively. Also, chloroform was used as a porogenic...
Kun Hu, Plamen Ch. Ivanov, Zhi Chen, Michael F. Hilton, H. Eugene Stanley, Steven A. Shea Center for Polymer Studies and Department of Physics, Boston University, Boston, MA 02215 Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA 02115 Harvard Medical School and Division of Sleep Medicine, Brigham & Women’s Hospital,Boston, MA 02115 (Received March 17, 2003; Revised Augus...
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