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These tubes should be used with care when measuring drug or hormone levels because the drug or hormone may diffuse from the serum into the gel, causing a reduction in measured level. The gel in SST II tubes (which appears slightly less opaque) is supposed [weasel words] to have less effect on drug levels in serum. [citation needed]
Silicone gel sheet consists of a soft, semi-occlusive sheet and a membrane that increases the durability of the sheet. [3] The sheet has a solid rubber-like appearance. Although the mechanism of action of silicone gel sheeting remains partially unknown, its efficacy is confirmed by many clinical trials, [5] and is similar to silicone gel. [6]
This line of Secret products was designed to meet growing consumer interest in scent-based deodorants. Also launched was the brand's first waterproof deodorant, Secret Clinical Strength Waterproof. [citation needed] In 2010, Secret was one of several brands featured in Procter & Gamble's sponsorship of the 2010 Winter Olympics. The “Thank you ...
Close-up of DNA ladders on an agarose gel. GelRed stain was used. Loading of a sample into a polyacrylamide gel electrophoresis well. An electrophoretic color marker is a chemical used to monitor the progress of agarose gel electrophoresis and polyacrylamide gel electrophoresis (PAGE) since DNA, RNA, and most proteins are colourless. [1]
A Ziehl–Neelsen stain is an acid-fast stain used to stain species of Mycobacterium tuberculosis that do not stain with the standard laboratory staining procedures such as Gram staining. This stain is performed through the use of both red coloured carbol fuchsin that stains the bacteria and a counter stain such as methylene blue.
Gel electrophoresis is an electrophoresis method for separation and analysis of biomacromolecules (DNA, RNA, proteins, etc.) and their fragments, based on their size and charge through a gel. It is used in clinical chemistry to separate proteins by charge or size (IEF agarose, essentially size independent) and in biochemistry and molecular ...
Immunofluorescence is a widely used example of immunostaining (using antibodies to stain proteins) and is a specific example of immunohistochemistry (the use of the antibody-antigen relationship in tissues). This technique primarily utilizes fluorophores to visualize the location of the antibodies, while others provoke a color change in the ...
Muscle is stained blue-black to dark brown, connective tissue is pale orange-pink to brownish red, fibrin and neuroglia stain deep blue, coarse elastic fibers show as purple, and bone and cartilage obtain yellowish to brownish red color. PTAH is ideal for demonstrating striated muscle fibers and mitochondria, often without a counterstain.