نتایج جستجو برای: capsule

تعداد نتایج: 25926  

Journal: :BMC Gastroenterology 2008
Hiroki Endo Nobuyuki Matsuhashi Masahiko Inamori Keiko Akimoto Tomohiko Ohya Tatsuro Yanagawa Masako Asayama Kantaro Hisatomi Takuma Teratani Koji Fujita Masato Yoneda Atsushi Nakajima

BACKGROUND The precise role of capsule endoscopy in the diagnostic algorithm of obscure gastrointestinal bleeding has yet to be determined. Despite the higher diagnostic yield of capsule endoscopy, the actual impact on clinical outcome remains poorly defined. The aim of this study was to evaluate the follow-up results of patients with obscure gastrointestinal bleeding to determine which managem...

2013
Guanqun Bao

Video capsule endoscopy (VCE) provides a noninvasive way to examine the intestinal lumen as the capsule moves along the gastrointestinal (GI) tract. However, this technology is unable to localize itself when an abnormality is found by the video source. Knowing how the capsule moves will greatly enhance the accuracy in localizing the capsule. In this paper, we develope a novel image processing t...

Journal: :The British journal of ophthalmology 2004
T Miyamoto S Saika A Yamanaka Y Okada Y Ohnishi

AIM To examine the histology of preserved anterior lens capsule in vitrectomised and lensectomised rabbit eyes with and without silicone oil tamponade. METHODS Forty adult Japanese albino rabbits received two port vitrectomy and lensectomy with or without silicone oil tamponade in one eye under both general and topical anaesthesia. Anterior lens capsule was preserved during operation. After h...

2010
P. G. Jayathilake B. C. Khoo

Two-dimensional capsule-substrate adhesion under an imposed Stokes flow field is numerically simulated by using the immersed interface method (IIM) with the same viscosity for the fluid enclosed by the membrane and the surrounding fluid. The capsule membrane is considered to be either impermeable or permeable while the capsule membrane is assumed to be Neo-Hookean. The interaction between the c...

Journal: :International journal of pharmaceutics 2010
M Sherry Ku Weiyi Li Wendy Dulin Fran Donahue Dominique Cade Hassan Benameur Keith Hutchison

This Part I paper describes the qualification of a new high performance hypromellose (hydroxypropyl methylcellulose, HPMC) capsule shell which contains no gelling agent and is dissolution friendly. The development history and the test results for a series of quality attributes including scanning electron microscopy, hygroscopicity, machineability, weight variation, powder leakage, mechanical st...

Journal: :The Biochemical journal 1971
S J Pirt

The diffusion capsule consists of a cylindrical container that can be completely filled with a solution and sealed with a small semi-permeable membrane at one end. In use, the capsule is immersed in an agitated liquid. Experiments on concentrated solutions in the capsule showed that, contrary to diffusion theory, the rate of diffusion of solute (sugars or amino acids) out of the capsule remaine...

2017
Nilanjan Dey Amira S. Ashour Fuqian Shi Simon Sherratt A. S. Ashour R. S. Sherratt

1 One of the significant challenges in Capsule Endoscopy (CE) is to precisely determine the pathologies 2 location. The localization process is primarily estimated using the received signal strength from sensors in 3 the capsule system through its movement in the gastrointestinal (GI) tract. Consequently, the wireless 4 capsule endoscope (WCE) system requires improvement to handle the lack of t...

Journal: :Experimental Eye Research 2009

Journal: :World Journal of Gastroenterology 2008

2016
Kimberly F Starr Eric A Porsch Patrick C Seed Christian Heiss Radnaa Naran L Scott Forsberg Uri Amit Pablo Yagupsky Parastoo Azadi Joseph W St Geme

Kingella kingae is an encapsulated gram-negative organism that is a common cause of osteoarticular infections in young children. In earlier work, we identified a glycosyltransferase gene called csaA that is necessary for synthesis of the [3)-β-GalpNAc-(1→5)-β-Kdop-(2→] polysaccharide capsule (type a) in K. kingae strain 269-492. In the current study, we analyzed a large collection of invasive a...

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