نتایج جستجو برای: medical polymer

تعداد نتایج: 684868  

2017
Landon D. Nash Mary Beth Browning Yong-Hong Ding Kendal P. Ezell Anthony J. Boyle Ramanathan Kadirvel David F. Kallmes Duncan J. Maitland

Shape memory polymers can be programmed into a secondary geometry and recovered to their primary geometry with the application of a controlled stimulus. Porous shape memory polymer foam scaffolds that respond to body temperature show particular promise for embolic medical applications. A limitation for the minimally invasive delivery of these materials is an inherent lack of X-ray contrast. In ...

2012
Sun Mi Zo Deepti Singh Ashok Kumar Yong Woo Cho Tae Hwan Oh Sung Soo Han

Sun Mi Zo, Deepti Singh, Ashok Kumar, Yong Woo Cho, Tae Hwan Oh and Sung Soo Han* Department of Nano, Medical and Polymer Materials, College of Engineering, Yeungnam University, 214-1 Daedong, Gyeongsan 712749, Korea Polymer Gel Research Cluster Center, Yeungnam University, Gyeongsan 712749, Korea Indian Institute of Technology Kanpur, Kanpur 208 016, India Department of Chemical Engineering, H...

2008
Eric D. Moore Amy C. Sullivan Robert R. McLeod

We demonstrate a projection lithography method that induces optical index changes in a flexible polymer cable that is continuously translated through the image plane. We demonstrate that a static spot pattern generates a grid of waveguides along the cable length via a continuous extrusion process. Rotations or scaling of the optical spot array can fabricate image inverters or magnifying face pl...

Background and Objectives: Wastewater treatment of paper recycling and cardboard industries with the aim of water recycling and reducing environmental impact is one of the daily needs of industries. Therefore, the aim of the present study was to optimize the conditions of coagulation and flocculation process in wastewater treatment of paper recycling industries using the response surface method...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی و مهندسی 1390

magnetic resonance imaging (mri) is a notable medical imaging technique that makes of phenomenon of nuclear magnetic resonance. because of the resolution and the technology being harmless, mri has considered as the most desirable imaging technique in clinical applications. the visual quality of mri plays an important role in accuracy of medical delineations that can be seriously degraded by exi...

Journal: :IEICE Transactions 2017
Tatsuro Endo Hiroshi Kajita

For the future medical diagnostics, high-sensitive, rapid, and cost effective biosensors to detect the biomarkers have been desired. In this study, the polymer-based two-dimensional photonic crystal (2DPC) was fabricated using nanoimprint lithography (NIL) for biosensing application. In addition, for biosensing application, label-free detection of fibrinogen which is a biomarker to diagnose the...

ایوبی, سامان, هاشم‌زاده, محمدصادق,

Background & Aims: Doxorubicin sold under the trade names Adriamycin is an anticancer drug that interferes with the growth and spread of cancer cells in the body. The purpose of this study was to produce nano-fibers, polyamide amine (PAMAM) containing Doxorubicin drug using electrospinning technique. Materials & Methods: This cross-sectional study was conducted in the Faculty of Pharmac...

Journal: :Current Directions in Biomedical Engineering 2018

Journal: :Biomedical Materials & Devices 2023

The utilization of polymers as biomaterials has greatly impacted the advancement modern medicine and healthcare practice, there are currently thousands medical devices, diagnostic products, disposables on market. Based data scientific literature, requirements for medicinal films outlined, their classification is given. Approaches to choice active auxiliary substances in process developing new f...

Journal: :EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology 2012
Bo Xu Kefei Dou Yuejin Yang Shuzheng Lv Lefeng Wang Haichang Wang Zhanquan Li Lei Wang Yundai Chen Yong Huo Wei Li Ajay J Kirtane Runlin Gao

AIMS This study sought to evaluate the safety and efficacy of the NOYA stent which is a cobalt chromium-based sirolimus-eluting stent (SES) with DL-polylactide biodegradable polymer (Medfavour Medical, Beijing, China) in treating de novo coronary artery lesions. METHODS AND RESULTS The NOYA I trial was designed to compare the NOYA stent with the FIREBIRD2™ stent, a durable polymer SES widely ...

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