نتایج جستجو برای: feiyangchangweiyan capsule
تعداد نتایج: 25926 فیلتر نتایج به سال:
Capsule endoscopy is widely accepted as the preferred diagnostic test in the evaluation of small bowel diseases, especially in the setting of obscure gastrointestinal bleeding. It has revolutionized small bowel examination and has improved the detection of small bowel tumors. However, small bowel tumors are sometimes missed by capsule endoscopy. Furthermore, there are several recent reports com...
Encapsulated Haemophilus influenzae strains belong to type-specific genetic lineages. Reliable capsule typing requires PCR, but a more efficient method would be useful. We evaluated capsule typing by using matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry. Isolates of all capsule types (a-f and nontypeable; n = 258) and isogenic capsule transformants (type...
The polysaccharide capsule of Escherichia coli K29 fully surrounds the microorganism and thus occupies an extracellular space ca. 20 times larger in volume than that of the decapsulated cell. Since more than 95% of the capsule consists of water, dehydration for electron microscopy causes the material to collapse. We describe here a method for embedding the capsule in an uncollapsed form. Dehydr...
BACKGROUND AND AIMS Capsule endoscopy is applicable to several clinical conditions, but obscure gastrointestinal bleeding remains the main indication. This study aims at determining the diagnostic yield of capsule endoscopy for obscure gastrointestinal bleeding using a structured terminology in a large cohort in an academic hospital. METHODS In this retrospective study, 592 capsule endoscopy ...
The region involved in export of the capsule polysaccharides to the cell surface of Haemophilus paragallinarum was cloned and the genetic organisation determined. Degenerate primers designed from sequence alignment of the capsule transport genes of Haemophilus influenzae, Pasteurella multocida and Actinobacillus pleuropneumoniae were used to amplify a 2.6 kb fragment containing a segment of the...
The poly-gamma-d-glutamic acid capsule confers antiphagocytic properties on Bacillus anthracis and is essential for virulence. In this study, we showed that CapD, a gamma-polyglutamic acid depolymerase encoded on the B. anthracis capsule plasmid, degraded purified capsule and removed the capsule from the surface of anthrax bacilli. Treatment with CapD induced macrophage phagocytosis of encapsul...
Abstract The capsule-shaped object, when vertically released at certain initial angular velocity, can easily rebound to exceed the release height. high-speed camera is used record experimental images. software, Tracker, track data. Finally, serial coefficient of restitution and spin parameter be statistically summarized. MATLAB process images obtain correlation between relevant data capsule reb...
Although capsule retention is a known complication of small bowel capsule endoscopy, initial studies with colon capsule endoscopy (CCE) have not reported any capsule retention or sticking neither in the small bowel nor in the colon. We report a complication of CCE when the stuck colon capsule was passed through the malignant colon stricture and removed by the aid of a flexible colonoscope. Duri...
OBJECTIVE The aim of this study was to detect the incidence of estrogen receptors in human hip joint capsule and ligamentum teres. METHODS The study included biopsies of the ligamentum capitis femoris (LCF) and hip joint capsule from 15 patients undergoing hip surgery for developmental dysplasia of the hip (DDH) and from the control hips of 15 cases of intrauterine fetal death. Mean age was 1...
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