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Sectioning a tissue can use either the micro tome knife or the razor blade as the cutting blade. [4] The micro tome knife is used for handling sectioning. It is necessary to use a micro tome knife when preparing sections less than 1/1000 micrometers. [29] When using such a knife, the operators must be extremely careful.
Brain knife: to cleanly cut the brain Rib shears: to cut through the ribs while opening the chest [3] Dissecting scissors: for sharp cutting Speculum: for vaginal and rectal examinations Non-absorbable sutures: usually nylon to close the body cavities and sutures it Postmortem needles: large thick needles for suturing the skin after
The optimal angle depends upon the knife geometry, the cut speed and many other parameters. If the angle is adjusted to zero, the knife cut can often become erratic, and a new location of the knife must be used to smooth this out. If the angle is too large, the sample can crumple and the knife can induce periodic thickness variations in the cut.
Packaging should be the proper size, type, and material for the item. [4] Many items are suited to a clean paper bag sealed with a security tape.Many jurisdictions desire one item per container, but situations do vary.
In natural and social science research, a protocol is most commonly a predefined procedural method in the design and implementation of an experiment.Protocols are written whenever it is desirable to standardize a laboratory method to ensure successful replication of results by others in the same laboratory or by other laboratories.
Laboratory methods and techniques, as used in fields like biology, biochemistry, biophysics, chemistry, molecular biology, etc. Subcategories. This category has the ...
Hazardous chemicals present physical and/or health threats to workers in clinical, industrial, and academic laboratories. Laboratory chemicals include cancer-causing agents (carcinogens), toxins (e.g., those affecting the liver, kidney, and nervous system), irritants, corrosives, sensitizers, as well as agents that act on the blood system or damage the lungs, skin, eyes, or mucous membranes.
In addition to needles and blades, anything attached to them, such as syringes and injection devices, is also considered sharps waste.. Blades can include razors, scalpels, X-Acto knives, scissors, or any other items used for cutting in a medical or biological research setting, regardless of whether they have been contaminated with biohazardous material.