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Detection of bacteria

Publications associées (39)

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Bacterial motility via diffusion adaptation

Ali H. Sayed

Bacteria forage by moving towards nutrient sources in a process known as chemotaxis. The bacteria follow gradient variations by tumbling or moving in straight lines. Both modes of locomotion are affected by Brownian motion. Bacteria are also capable of int ...

IEEE2010

Bacteria manipulation with optically controlled fluidic valves

Demetri Psaltis, Jae-Woo Choi, James Adleman

Optically controlled fluidic valves are utilized to concentrate and detect bacteria, selectively switch the pathway of the bacteria, and demonstrate bidirectional fluidic flow within a microfluidic channel. (C) 2009 Optical Society of America ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Harnessing bacterial power in microscale actuation

Mahmut Selman Sakar

This paper presents a systematic analysis of the motion of microscale structures actuated by flagellated bacteria. We perform the study both experimentally and theoretically. We use a blotting procedure to attach flagellated bacteria to a buoyancy-neutral ...

IEEE2009

We have measured the effect of bacteria adsorption on the resonant frequency of microcantilevers as a function of the adsorption position and vibration mode. The resonant frequencies were measured from the Brownian fluctuations of the cantilever tip. We fo ...

Institute of Physics2008

Impact of Mycobacterium ulcerans biofilm on transmissibility to ecological niches and Buruli ulcer pathogenesis

Stewart Cole, Petra Tafelmeyer

The role of biofilms in the pathogenesis of mycobacterial diseases remains largely unknown. Mycobacterium ulcerans, the etiological agent of Buruli ulcer, a disfiguring disease in humans, adopts a biofilm-like structure in vitro and in vivo, displaying an ...

2007

Ventilation systems often host bacteria and fungi that may be dangerous for the health of exposed people. Essential oils are one means among others to prevent microbial development. Used as a basis for many traditional therapies, these odorant plant extrac ...

2006

Large scale plasmid production

Plasmid DNA was originally produced in small amounts for genetic modification for protein production purposes. However since the rapid advances in gene therapy and DNA vaccines, plasmid DNA became a therapeutic product. The use of non-viral vectors for saf ...

EPFL2005

Carbon metabolism of intracellular bacteria

John McKinney

Bacterial metabolism has been studied intensively since the first observations of these 'animalcules' by Leeuwenhoek and their isolation in pure cultures by Pasteur. Metabolic studies have traditionally focused on a small number of model organisms, primari ...

2005

Replication dynamics of Mycobacterium tuberculosis in chronically infected mice

John McKinney

The dynamics of host-pathogen interactions have important implications for the design of new antimicrobial agents to treat chronic infections such as tuberculosis (TB), which is notoriously refractory to conventional drug therapy. In the mouse model of TB, ...

2004