نتایج جستجو برای: pcl pegpcl
تعداد نتایج: 3883 فیلتر نتایج به سال:
The aim of this work was to evaluate the effect of in vitro alendronate (AD) release behavior through polycaprolactone (PCL) coating on in vivo bone formation using PCL-coated 3D printed interconnected porous tricalcium phosphate (TCP) scaffolds. Higher AD and Ca(2+) ion release was observed at lower pH (5.0) than that at higher pH (7.4). AD and Ca(2+) release, surface morphology, and phase ana...
PURPOSE The aim of this prospective study was to evaluate whether blending two kinds of biomaterials, chitosan and polycaprolactone (PCL), can be used as scaffold and carrier for growth and differentiation of corneal endothelial cells (CECs). METHODS A transparent, biocompatible carrier with cultured CECs on scaffold would be a perfect replacement graft. In the initial part of experiment, for...
BACKGROUND To date there is a lack of studies assessing the psychometric properties of the recently revised PTSD Checklist (PCL), the PTSD Checklist for DSM-5 (PCL-5). The aim of this pilot study was to examine the psychometric properties of the PCL-5 in parents of children with burns. METHODS The participating parents (N=62, mean age=38) completed self-report questionnaires, 0.8-5.6 years af...
background: the aim of this study was to fabricate the poly caprolactone (pcl) aligned nanofiber scaffold and to evaluate the survival, adhesion, proliferation, and differentiation of rat hair follicle stem cells (hfsc) in the graft material using electrospun pcl nanofiber scaffold for tissue engineering applications. methods: the bulge region of rat whisker was isolated and cultured in dmem: n...
هدف: شباهت بیشتر به محیط درون تنی، به افزایش تکثیر و تمایز سلول ها در شرایط برون تنی کمک می کند. در این مطالعه، اثر محیط کشت پویا و وجود نانو ذرات هیدرو کسی آپاتیت nha)) بر تکثیر و تمایز سلول های بنیادی مزانشیمی (mscs) به سلول های استخوانی با استفاده از داربستهای الکتروریسی شدهٔ پلی کاپرولاکتون (pcl) بررسی شده است. مواد و روش ها: ابتدا داربست های pcl و pcl-nha به روش الکتروریسی تهیه شدند. پس از ...
آمیخته سازی پلیمرها روشی اقتصادی برای ساخت مواد جدید با ترکیب بی نظیری از خواص است که از پلیمر خالص برنمی آید. رئولوژی سامانه های پلیمری چند جزئی مانند آمیخته های پلیمری، به خاطر حل مشکلات فیزیکی و افزایش کاربردهای صنعتی آن مورد توجه بسیار قرار گرفته است. هدف این مطالعه بررسی خواص رئولوژیکی آمیخته های پلی یورتان/ پلی کاپرولاکتان و نقش روش و شرایط تهیه آمیخته بر خواص رئولوژیکی آن است. در این ت...
Protocol Composition Logic (PCL) is a logic for proving authentication and secrecy properties of network protocols. This chapter presents the central concepts of PCL, including a protocol programming language, the semantics of protocol execution in the presence of a network attacker, the syntax and semantics of PCL assertions, and axioms and proof rules for proving authentication properties. Th...
Avulsion fractures of the posterior cruciate ligament (PCL) are uncommon. On the basis of the site of damage of the PCL, hyperflexion, pretibial trauma, and hyperextension are proposed as mechanisms of PCL injuries. On the other hand, avulsion fractures of the tibial condyle are also rare. We report a PCL-mediated avulsion fracture of the lateral tibial condyle along with the tibial insertion o...
The knowledge and understanding of the complex anatomy and biomechanical function of the native posterior cruciate ligament (PCL) is vitally important when evaluating PCL injury and possible reconstruction. Many studies have been performed looking specifically at the PCL and its unique relationships to the surrounding structures in the knee. The first section of this chapter serves as a foundat...
Treatment of cancer metastasized to bone is still a challenge due to hydrophobicity, instability, and lack of target specificity of anticancer drugs. Poly (ethylene glycol)-poly (ε-caprolactone) polymer (PEG-PCL) is an effective, biodegradable, and biocompatible hydrophobic drug carrier, but lacks bone specificity. Polyaspartic acid with eight peptide sequences, that is, (Asp)8, has a strong af...
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