نتایج جستجو برای: surface species

تعداد نتایج: 1154343  

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 ...

Journal: :Zootaxa 2015
Hao Huang Chang-Chin Chen

Echinoaesalus chungi Huang & Chen, new species is described from Pingtung, Taiwan. It is the second species of the tribe Aesalini known from Taiwan. This new species is similar to the Bornean species Echinoaesalus arayai Huang & Imura, 2011, but can be distinguished mainly by the smaller size of the entire body, the laterally hooked sulcus on mentum of male, the separated sulci on mentum of fem...

2006
A. Sengupta M. Volny C. B. Wilson F. Turecek E. J. Davis

In recent years there has been a strong interest in the development of rapid detection techniques of biological species, especially pathogens that are involved in food poisoning, water contamination, and air-borne diseases. Conventional detection methods are time consuming and usually involve overnight culture of bacteria in a suitable growth medium. In this study we used surface-enhanced Raman...

Journal: :PLoS Biology 2006
Scott D Peacor Stefano Allesina Rick L Riolo Mercedes Pascual

Understanding species invasion is a central problem in ecology because invasions of exotic species severely impact ecosystems, and because invasions underlie fundamental ecological processes. However, the influence on invasions of phenotypic plasticity, a key component of many species interactions, is unknown. We present a model in which phenotypic plasticity of a resident species increases its...

2001
Xin Lu

The adsorption of methanol, formaldehyde and formic acid on the Si(100)-2]1 surface have been investigated by means of Ðrst-principles density functional cluster model calculations and ab initio ONIOM calculations. The dissociative adsorption of methanol on the Si(100) surface takes place readily, giving rise to and 3 SiÈH surface species. The reaction, occurring barrierlessly via a stable chem...

Journal: :Nanotechnology, science and applications 2008
Elena P Ivanova Natasa Mitik-Dineva Radu C Mocanasu Sarah Murphy James Wang Grant van Riessen Russell J Crawford

This study reports the adhesion behavior of two bacterial species, Vibrio fischeri and Escherichia coli, to the photoresistant poly(tert-butyl methacrylate) (P(tBMA)) polymer surface. The data has demonstrated that ultraviolet irradiation of P(tBMA) was able to provide control over bacterial adhesion tendencies. Following photolithography, several of the surface characteristics of P(tBMA) were ...

Journal: :The American journal of pathology 1978
C L Parsons S G Mulholland

We previously reported the results of quantitative and histochemical studies implicating the surface mucin of the bladder mucosa as an important antibacterial defense mechanism, which functions by preventing bacteria from adhering to the bladder wall. We call the mucin "anti-adherence factor" and we feel this is a previously undocumented role for mucin as a type of host antibacterial defense. T...

Journal: :Accounts of chemical research 2008
Wei Wang Michael Hunger

[Reaction: see text]. A solid understanding of the mechanisms involved in heterogeneously catalyzed reactions is of fundamental interest for modern chemistry. This information can help to refine modern theories of catalysis and, in a very practical way, can help researchers to optimize existing industrial processes and develop new ones. To understand the mechanisms of heterogeneous catalysis, w...

Journal: :Journal of molecular recognition : JMR 2002
Alexandre M Samoylov Tatiana I Samoylova Suram T Pathirana Ludmila P Globa Vitaly J Vodyanoy

Biosensors based on phage display-derived peptides as biorecognition molecules were used for the detection of cell surface cross-species markers in tissue homogenates. The peptide selected for murine myofibers was immobilized onto the surface of an acoustic wave sensor by biotin-streptavidin coupling. To detect peptide-receptor interaction, the sensors were exposed to muscle and control (kidney...

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