نتایج جستجو برای: bacterial viability
تعداد نتایج: 268133 فیلتر نتایج به سال:
バクテリアは細胞壁合成が阻害されると溶菌するが，高浸透圧条件下では一部の細胞が細胞壁が無くても生存可能なL-formと呼ばれる状態に変換し，増殖できる．本稿では，その変換機構を明らかにすべく，我々の研究チームが行ったL-formのリアルタイム可視化による成果を中心に紹介する．
Bacterial colonization plays a key role on the pathogenesis of peri-implantitis and may be influenced by titanium surface topography. The aim this in vitro study was to evaluate influence topography after fluoride ions deposition bacterial colonization. Machined (M), double acid-etched (DE) with (Nano F-) were analyzed scanning electron microscopy, contact angle roughness (Ra). Streptococcus mu...
Very little is known about the culturability and viability of mycobacteria following their phagocytosis by macrophages. We therefore studied populations of the avirulent 'Academia' strain of Mycobacterium tuberculosis isolated from murine peritoneal macrophage lysates several days post-infection in vivo. The resulting bacterial suspensions contained a range of morphological types including rods...
Chinese propolis (CP), an important hive product, can alleviate inflammatory responses. However, little is known regarding the potential of propolis treatment for mastitis control. To investigate the anti-inflammatory effects of CP on bovine mammary epithelial cells (MAC-T), we used a range of pathogens to induce cellular inflammatory damage. Cell viability was determined and expressions of inf...
A previous report indicated that a formic acid chemical extraction method for the preparation of protein extracts for matrix-assisted laser desorption time-of-flight mass spectrometry (MALDI-TOF MS) identification, with filtration of extracts through 0.2 μm regenerated cellulose (RC) filters, would not reliably inactivate or exclude Bacillus anthracis Vollum cells or spores when tested under hi...
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