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Some specimen types also require special treatment, such as immediate mixture with an additive, or storage at a certain temperature. [5] After extraction, all specimen containers must be labeled with at least two of the following identifiers (at the time of collection): patient's name, date of birth, hospital number, test request form number ...
to observe microscopic specimens that cannot be seen by the naked eye. Microtitre plates: mostly used for ELISA: Microtome: cuts prepared specimens for analysis under microscope Nichrome wire loop: used to inoculate test samples into culture media for bacterial or fungal cultures, antibiograms, etc.; sterilized by flaming to red hot before use
Biological specimens in an elementary school science lab. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are ...
During the retention period, specimens are considered to be part of the medical record and must be kept under a CLIA accredited laboratory to ensure compliant handling and storage conditions. [25] [26] If a specimen is sent-out to a non-CLIA biorepository and recalled, the additional testing would not be in compliance. [25]
The intraoperative consultation is the name given to the whole intervention by the pathologist, which includes not only frozen section but also gross evaluation of the specimen, examination of cytology preparations taken on the specimen (e.g. touch imprints), and aliquoting of the specimen for special studies (e.g. molecular pathology ...
Subsequently, aliquots of the sample are taken to test for the antimicrobial activity of a specific drug or protein (antimicrobial peptides). Liquid cultures of the cyanobacterium Synechococcus PCC 7002. Static liquid cultures may be used as an alternative. These cultures are not shaken, and they provide the microbes with an oxygen gradient. [6]
Gross examination of a kidney (right of image) with a renal oncocytoma (left of image).. Gross processing, "grossing" or "gross pathology" is the process by which pathology specimens undergo examination with the bare eye to obtain diagnostic information, as well as cutting and tissue sampling in order to prepare material for subsequent microscopic examination.
Many specimens end up in one or more sophisticated automated analysers, that process a fraction of the sample to return one or more test results. Some laboratories use robotic sample handlers (Laboratory automation) to optimize the workflow and reduce the risk of contamination from sample handling by the staff.