نتایج جستجو برای: crystal violet assay

تعداد نتایج: 384673  

Asghari, Babak , Bayati, Maral, Habibipour, Reza,

Background and Objective: The role of biofilm formation by bacteria has been considered as an important stage in the pathogenesis of Klebsiella pneumoniae. This pathogen is one of the most important opportunistic pathogen agents of nosocomial infections, such as pneumonia, urinary tract infections, invasive infections, and surgical site infections. This study aimed to investigate the biofilm pr...

Journal: :Science 2008
Hideki Matsubara Susumu Yoshimoto Hirohisa Saito Yue Jianglin Yoshinori Tanaka Susumu Noda

Shorter-wavelength surface-emitting laser sources are important for a variety of fields, including photonics, information processing, and biology. We report on the creation of a current-driven blue-violet photonic-crystal surface-emitting laser. We have developed a fabrication method, named "air holes retained over growth," in order to construct a two-dimensional gallium nitride (GaN)/air photo...

2016
Ahmet Yilmaz Coban Ahmet Ugur Akbal Can Bicmen Ali Albay Ali Korhan Sig Meltem Uzun Deniz Sertel Selale Nuri Ozkutuk Suheyla Surucuoglu Nurhan Albayrak Nilay Ucarman Aydan Ozkutuk Nuran Esen Ismail Ceyhan Mustafa Ozyurt Bayhan Bektore Gonul Aslan Nuran Delialioğlu Alpaslan Alp

The aim of this multicenter study was to evaluate the performance of the crystal violet decolorization assay (CVDA) for detection of multidrug resistant tuberculosis (MDR-TB). This study was performed in 11 centers in two phases. A total of 156 isolates were tested for INH and RIF resistance. In the phase I, 106 clinical isolates were tested in the Center 1-7. In the phase 2, 156 clinical isola...

Shiva Dehghan Abkenar

The prepared magnetic-modified Fe3 O4 nanoparticles (Fe3 O4 -TAN) were used as adsorbent for removal of crystal violet (CV) from water solution. The effects of pH, contact time, dye concentration and temperature on adsorption were determined. The experimental data were analyzed using the Langmuir adsorption model. The data fitted well to the model with maximum adsorption capacities 84.0 mg/gund...

Journal: :jundishapur journal of microbiology 0
zahra ghanbarzadeh corehtash department of microbiology and immunology, faculty of medicine, kashan university of medical sciences, kashan, ir iran ahmad khorshidi department of microbiology and immunology, faculty of medicine, kashan university of medical sciences, kashan, ir iran; department of microbiology and immunology, faculty of medicine, kashan university of medical sciences, kashan, ir iran. tel: +98-9133624687, fax: +98-3615551112 farzaneh firoozeh department of microbiology and immunology, faculty of medicine, kashan university of medical sciences, kashan, ir iran hosein akbari biostatistics department, truma research center, kashan university of medical sciences, kashan, ir iran azam mahmoudi aznaveh department of bacteriology, faculty of medical sciences, tarbiat modares university, tehran, ir iran

conclusions the high rate of mdrpa and its ability to produce biofilm is an alarm for public health. the statistical analysis showed that biofilm production in the mdrpa isolates was significantly higher than that in the non–mdrpa isolates (p < 0.001). background pseudomonas aeruginosa possesses a variety of virulence factors and infections caused by multidrug-resistant p. aeruginosa (mdrpa) in...

2016
YINGHUA SONG HE FANG HUI XU XUEMEI TAN SHENGMING CHEN

Crystal violet (CV) was removed from aqueous solutions using walnut shell (WS) as an adsorbent. The effect of initial ph, contact time, adsorbent level and temperature on CV adsorption, were studied in batch mode. The results indicated that both the Langmuir and the Freundlich equations effectively described the adsorption equilibrium. A pseudo second-order kinetics provided a perfect fit for t...

Kübra Çevik Seyhan Ulusoy,

Objective(s):The inhibitory effects of iron chelators, and FeCl3 chelation on biofilm formation and swarming motility were investigated against an opportunistic human pathogen Pseudomonas aeruginosa. Materials and Methods:The inhibitory activity of 2,2’-bipyridyl, lipoic acid, kojic acid and picolinic acidonbiofilm formation of P. aeruginosa strain PAO1 and three clinical isolates (P. aeruginos...

Journal: :Journal of Health Science and Medical Research (JHSMR) 2023

Objective: To investigate the antifungal activity of voriconazole, with and without Kombucha tea culture, against Candida strains isolated from vulvovaginal candidiasis. Material Methods: The study included 150 females, within child-bearing periods, complaining valvovaginal were isolated, identified by conventional microbiological methods; confirmed Viteck-2 System. sensitivity isolates to vori...

Journal: :Applied Clay Science 2022

Layered double oxide (LDO) photocatalyst microparticles were synthetized with special radial lamellar orientation. We presented that the 25.31 ± 2.34 μm LDO particles rough surface can incorporated in fluoropolymer solution and resulted a composite layer dual superhydrophobic photocatalytic properties high bacterial adhesion inactivation ability. Next content layers systematically increased (0,...

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