نتایج جستجو برای: pvp pvpam film

تعداد نتایج: 93545  

2011
K. P. R. Chowdary S. Srinivasan

Alone and combined effects of cyclodextrins (βCD and HPβCD), surfactant (Tween-80) and PVP on the solubility and dissolution rate of etoricoxib were evaluated in a series of 2 factorial design. The complexes of etoricoxib – CDs (βCD and HPβCD) were prepared with and without Tween-80 and PVP by kneading method as per 2 factorial designs. The solubility of etoricoxib in eight selected fluids cont...

2011
Hussain A. Badran

Problem statement: The some optical constants polymer thin film with red dye 3-amino-7dimethylamino-2-methyl phenazine (NR) as the guest material and Polyvinylpyrrolidone (PVP) as the host material were prepared by adulteration and spin-coating methods. Approach: The values of some important parameters (refractive index n, extinction coefficient K and dielectric constant ε∞) of polymer thin fil...

Diclofenac sodium as ophthalmic dosage form is used in patients treatment of eye pain, swelling and redness recovering from cataract surgery but it faces the bioavailability limitation of eye drops due to effective protective mechanisms and corneal barrier functions in the eyes. Therefore, this investigation was aimed to develop ocular film formulations to achieve controlled drug release. Drug ...

2017
Jiang-jun Zhu Dong-sheng Zhang Su-liang Lou Yong-hong Yang

BACKGROUND Percutaneous vertebroplasty (PVP) and percutaneous kyphoplasty (PKP) are effective procedures for the treatment of vertebral compression fractures (VCFs). However, recent studies have reported that secondary VCFs develop in patients after PVP or PKP treatment. This study aimed to investigate the clinical characteristics and management of secondary fractures after PVP or PKP. MATERI...

2015
Hong-Yu Tan Li-Min Wang Liang Zhao Yi-Lin Liu Rui-Peng Song

BACKGROUND Percutaneous vertebroplasty (PVP) for patients with chronic painful osteoporotic compression fractures has not been extensively studied. OBJECTIVE To prospectively evaluate the efficacy of PVP for patients with chronic painful osteoporotic vertebral compression fractures (VCFs). METHODS Sixty-two consecutive patients with chronic painful osteoporotic VCFs for ≥3 months underwent ...

2016
Yantao Zhao Xiantong Hu Zhonghai Li Fuli Wang Yang Xia Shuxun Hou Hongbin Zhong Feimin Zhang Ning Gu

Allografts eliminate the disadvantages associated with autografts and synthetic scaffolds but are associated with a disease-transmission risk. Therefore, allograft sterilisation is crucial. We aimed to determine whether polyvinylpyrrolidone-iodine (PVP-I) can be used for sterilisation and as a new wet-preservation method. PVP-I-sterilised and preserved allografts demonstrated improved mechanica...

2017
Peng Zhang Yunlong Zhi Hongwei Fang Ziying Wu Tianwu Chen Jia Jiang Shiyi Chen

Polyvinylpyrrolidone-iodine (PVP-I) is a broad-spectrum antimicrobial agent, but its effects on tendon-bone healing are unclear. The purpose of this study was to investigate the effects of PVP-I on bone marrow mesenchymal stem cells (BMSCs) in vitro and on tendon-bone healing in vivo. In this study, following investigation of the concentration-dependent effects of PVP-I on the viability and ost...

2014
Yingjie Liao Takeshi Fukuda Norihiko Kamata Makoto Tokunaga

Electrospinning is a versatile technique, which can be used to generate nanofibers from a rich variety of materials. We investigate the variation of a zinc oxide (ZnO)-polyvinylpyrrolidone (PVP) composite structure in morphology by electrospinning from a series of mixture solutions of ZnO sol-gel and PVP. Calcination conditions for the crystallization of ZnO nanofibers and removal of the PVP co...

2011
A. Naresh

ABSTARCT : The objective of the study is to evaluate the individual main effects and combined (or interaction) effects of Hydroxy propyl β cyclodextrin (HPβCD), poly vinyl pyrrolidone (PVP K30) and sodium lauryl sulphate (SLS) on the solubility and dissolution rate of efavirenz in a series of 2 factorial experiments. The solubility of efavirenz in eight selected fluids containing HPβCD, PVP K30...

Journal: :European urology 2010
Abdulla Al-Ansari Nagy Younes Venkataramana Pai Sampige Khalid Al-Rumaihi Ardalan Ghafouri Tawiz Gul Ahmed A Shokeir

BACKGROUND Photoselective vaporization (PVP) with the GreenLight HPS 120-W laser (GLL) was recently introduced for treatment of benign prostatic hyperplasia (BPH). OBJECTIVE To compare results of GLL PVP and transurethral resection of the prostate (TURP) for treatment of BPH. DESIGN, SETTING, AND PARTICIPANTS A total of 120 patients with BPH were randomly assigned to two equal groups: TURP ...

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