نتایج جستجو برای: micro environmental

تعداد نتایج: 481380  

Journal: :Lab on a chip 2007
Philip S Waggoner Harold G Craighead

Micro- and nanoelectromechanical systems, including cantilevers and other small scale structures, have been studied for sensor applications. Accurate sensing of gaseous or aqueous environments, chemical vapors, and biomolecules have been demonstrated using a variety of these devices that undergo static deflections or shifts in resonant frequency upon analyte binding. In particular, biological d...

2007
Stephanus Büttgenbach

A microfluidic analysis system based on photometric measurements is presented. Feasibility of photometric analysis in silicon flow channels has been shown using commercially available reagents and a microspectrometer. Quantitative determination of iron and phosphate in water in the concentration range around the legal limit for drinking water has been carried out as an example. An integrated an...

2015
Ariane Ghekiere Jelle Van Cauwenberg Lieze Mertens Peter Clarys Bas de Geus Greet Cardon Jack Nasar Jo Salmon Ilse De Bourdeaudhuij Benedicte Deforche

BACKGROUND As physical activity levels decrease as children age, sustainable and accessible forms of physical activity are needed from a young age. Transportation cycling is one such physical activity and has been associated with many benefits. The aims of the study were to identify whether manipulating micro-environmental factors (e.g. speed limits, evenness of cycle path) within a photographe...

2008
Orazio Miglino Luigi Pagliarini Maurizio Cardaci Onofrio Gigliotta

In this paper we present an educational micro-world in which a learner can manipulate variables affecting the efficiency with which a team adapts to its environment. These include the structure of hierarchical relations within the team, the structure of the communications network, and other environmental parameters. Using the micro-world, the learner can design experiments (simulations) explori...

Journal: :FEMS microbiology ecology 2004
Cyndee Gruden Steven Skerlos Peter Adriaens

Practical and accurate microbial assessment of environmental systems is predicated on the detection and quantification of various microbial parameters in complex matrices. Traditional growth-based assays, considered to be both slow and biased, are increasingly being replaced by optical detection methods such as flow cytometry. Flow cytometry (FCM) offers high-speed multi-parametric data acquisi...

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