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In a laboratory setting, mixture of dissolved materials are typically fed using a solvent into a column packed with an appropriate adsorbent, and due to different affinities for solvent (moving phase) versus adsorbent (stationary phase) the components in the original mixture pass through the column in the moving phase at different rates, which ...
Procedures used in environmental systems analysis, describing human impacts on the environment to support decisions and actions aimed at perceived current or future environmental problems Analytical procedures in Video Data Analysis , a collection of tools, techniques, and quality criteria intended for analyzing the content of visuals to study ...
Laboratory methods and techniques, as used in fields like biology, biochemistry, biophysics, chemistry, molecular biology, etc. Wikimedia Commons has media related to Laboratory techniques . Contents
Laboratory techniques are the set of procedures used on natural sciences such as chemistry, biology, physics to conduct an experiment; while some of them involve the use of complex laboratory equipment from laboratory glassware to electrical devices, and others require more specific or expensive supplies.
Simple Staining is a technique that only uses one type of stain on a slide at a time. Because only one stain is being used, the specimens (for positive stains) or background (for negative stains) will be one color. Therefore, simple stains are typically used for viewing only one organism per slide. Differential staining uses multiple stains per ...
Great effort is being put into shrinking the analysis techniques to chip size. Although there are few examples of such systems competitive with traditional analysis techniques, potential advantages include size/portability, speed, and cost. (micro total analysis system (μTAS) or lab-on-a-chip). Microscale chemistry reduces the amounts of ...
An assay (analysis) is never an isolated process, as it must be accompanied with pre- and post-analytic procedures. Both the communication order (the request to perform an assay plus related information) and the handling of the specimen itself (the collecting, documenting, transporting, and processing done before beginning the assay) are pre-analytic steps.
Illustration of streak plate procedure to achieve isolated colonies using aseptic technique. The three-phase streaking pattern, known as the T-Streak, is recommended for beginners. The streaking is done using a sterile tool, such as a cotton swab or commonly an inoculation loop. The inoculation loop is first sterilized by passing it through a ...
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