نتایج جستجو برای: chemical resistant
تعداد نتایج: 563987 فیلتر نتایج به سال:
Host factors involved in Chlamydia trachomatis pathogenesis were investigated by random chemical mutagenesis of Chinese hamster ovary (CHO-K1) cells followed by selection for clones resistant to chlamydial infection. A clonal mutant cell line, D4.1-3, refractory to infection by the C. trachomatis L2 serovar was isolated. The D4.1-3 cell line appears to be lacking in a previously undescribed tem...
We report on graphene-passivated ferromagnetic electrodes (GPFE) for spin devices. GPFE are shown to act as spin-polarized oxidation-resistant electrodes. The direct coating of nickel with few layer graphene through a readily scalable chemical vapor deposition (CVD) process allows the preservation of an unoxidized nickel surface upon air exposure. Fabrication and measurement of complete referen...
Background: One of the most common gastrointestinal infections is Helicobacter pylori infection, which leads to gastritis, ulcers, and eventually stomach cancer. Many chemical drugs are used eradicate this bacterium; however, resistance many recurrence infection some treatment problems. Among these, role herbal medicines very important. Glycyrrhiza glabra Salvia officinalis plants treat H. infe...
improving cleaning and disinfection performance must be taken into account for prevention and control of infection. health care settings are engaged in a battle against healthcare associated infection (hais). the importance of infection prevention and control is increasing due to rapidly developing strains of multi-drug resistant organisms (mdros) that can result in serious illness and even dea...
Background & Aim:According to globally development of stomach cancer especially in Ardabil, Iran, as the second major cause of mortality throughout the world, increased drug-resistant bacteria including Helicobacter pylori as the most important risk factors for stomach cancer, and side effects of antibiotics and chemical drugs normally used to treat. Expe...
Powdery mildew is a devastating disease of melon worldwide. Safe guarding the production requires to tackle this disease, either by chemical control or developing resistant cultivars with latter being most sustainable, inexpensive and environmentally friendly approach. The use genetic resistance safe alternative overcome hazardous contaminants. Thus, in present study 56 landraces were evaluated...
Drug-resistant tuberculosis threatens to undermine global control programs by limiting treatment options. New antimicrobial drugs are required, derived from new chemical classes. Natural products offer extensive diversity and inspiration for synthetic chemistry. Here, we isolate, synthesize test a library of 52 natural compounds activity against Mycobacterium . We identify seven as antimycobact...
Members of the Mycobacterium avium complex are the most frequently encountered opportunistic bacterial pathogens among patients in the advanced stage of AIDS. Two clinical isolates of the same strain, numbers 397 and 417, were obtained from an AIDS patient with disseminated M. avium complex infection before and after treatment with a regimen of clarithromycin and ethambutol. To identify the bio...
The widespread emergence of methicillin-resistant Staphylococcus aureus (MRSA) has dramatically eroded the efficacy of current β-lactam antibiotics and created an urgent need for new treatment options. We report an S. aureus phenotypic screening strategy involving chemical suppression of the growth inhibitory consequences of depleting late-stage wall teichoic acid biosynthesis. This enabled us ...
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