نتایج جستجو برای: cell hydrophobicity

تعداد نتایج: 1688965  

Journal: :international journal of advanced biological and biomedical research 2014
hamid tebyanian seyed hanif mirhosseiny omidreza sarrafi ehsan aliakbari mehdi hassanshahian

some properties of compounds in degrading bacteria are required for biodegradation of contaminants to higher performance. those strains which have a high percentage of these features are more effective at biodegradation. the present experiments were designed to measure these parameters. in this study, measurement of cell surface hydrophobic-degrading bacteria was designed which oil was separate...

Journal: :iranian journal of basic medical sciences 0
arezoo tahmourespour no 21, shahid salimian st., daneshgah av, azadi sq, esfahan, iran. ph.d student (islamic azad university tehran science & research branch) rooha kasra kermanshahi alzahra university of tehran, tehran, iran rasool salehi isfahan medical university, isfahan, iran abdolreza nabinejad agricultural research center, isfahan, iran

objective bacterial adhesion is governed by specific and nonspecific interactions such as hydrophobicity. hydrophobic interactions play a role in the adherence of microorganisms to a wide variety of surfaces and facilitate biofilm formation due to bacterial adhesion. in this article the relation between cell surface hydrophobicity and antibiotic resistance was studied. materials and methods we ...

Abdolreza Nabinejad Arezoo Tahmourespour, Rasool Salehi Rooha Kasra Kermanshahi

Objective Bacterial adhesion is governed by specific and nonspecific interactions such as hydrophobicity. Hydrophobic interactions play a role in the adherence of microorganisms to a wide variety of surfaces and facilitate biofilm formation due to bacterial adhesion. In this article the relation between cell surface hydrophobicity and antibiotic resistance was studied. Materials and Methods ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی شیمی و نفت 1392

شاخه‏ای جدید در روش‏های ازدیاد برداشت از مخازن نفتی تحت عنوان ازدیاد برداشت به روش میکروبی شناخته شده است که به مجموعه‏ای از تکنیک‏ها اطلاق می‏گردد که از میکروارگانیسم‏ها و یا محصولات زیستی آن‏ها به منظور افزایش بهره‏وری از مخازن استفاده می‏کنند. تمامی مکانیسم‏ها در فرایندهای ازدیاد برداشت میکروبی را می‎توان به دو دسته کلی تغییر خصوصیات در مرز نفت/ آب/ سنگ مخزن و تغییر در رفتار جریان تقسیم‏‏بند...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی شیمی و نفت 1392

شاخه‏ای جدید در روش‏های ازدیاد برداشت از مخازن نفتی تحت عنوان ازدیاد برداشت به روش میکروبی شناخته شده است که به مجموعه‏ای از تکنیک‏ها اطلاق می‏گردد که از میکروارگانیسم‏ها و یا محصولات زیستی آن‏ها به منظور افزایش بهره‏وری از مخازن استفاده می‏کنند. تمامی مکانیسم‏ها در فرایندهای ازدیاد برداشت میکروبی را می‎توان به دو دسته کلی تغییر خصوصیات در مرز نفت/ آب/ سنگ مخزن و تغییر در رفتار جریان تقسیم‏‏بند...

Ehsan Aliakbari Hamid Tebyanian, Mehdi Hassanshahian, Omidreza Sarrafi Seyed Hanif Mirhosseiny

Some properties of compounds in degrading bacteria are required for biodegradation of contaminants to higher performance. Those strains which have a high percentage of these features are more effective at biodegradation. The present experiments were designed to measure these parameters. In this study, measurement of cell surface hydrophobic-degrading bacteria was designed which oil was separate...

Ehsan Aliakbari Hamid Tebyanian, Mehdi Hassanshahian, Omidreza Sarrafi Seyed Hanif Mirhosseiny

Some properties of compounds in degrading bacteria are required for biodegradation of contaminants to higher performance. Those strains which have a high percentage of these features are more effective at biodegradation. The present experiments were designed to measure these parameters. In this study, measurement of cell surface hydrophobic-degrading bacteria was designed which oil was separate...

2002
Thelma Castellanos Felipe Ascencio Yoav Bashan

The cell-surface charge and cell-surface hydrophobicity of 10 strains of Azospirillum spp. were evaluated by the aqueous, two-polymer phase partitioning assay. Azospirillum spp. had moderate cell-surface hydrophobicity and charge, lower than known values for human pathogens. The hydrophobicity and charge values were higher in solid than in liquid media. A general pattern of modifying hydrophobi...

Journal: :Indian journal of experimental biology 2004
Vishwas Saralaya Gopalkrishna Bhat Asha Kamath P G Shivananda

Trace elements have significant effect on the physiology of bacteria. Variation in the concentration of trace elements may affect the expression of virulence by microorganisms. The effect of trace elements on hydrophobicity and adherence of E.coli to uroepithelial cells was studied. Increasing concentrations of Ca2+, Mg2+, Fe3+ and Zn2+ significantly decreased the surface hydrophobicity. Toxic ...

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