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In addition to being used for labelling microscopy slides, permanent markers can be used to do a negative stain of a bacterial sample. This means the background is stained with the marker, but the bacteria are not. The bacteria can be seen because they are unstained (lighter) while the background is stained (darker). [2]
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] The color markers are made up of a mixture of dyes that migrate through the gel matrix alongside the sample of interest. They are typically ...
Jessica Livingston Livingston at TechCrunch Disrupt in 2014 Born 1971 (age 52–53) Nationality American Alma mater Bucknell University (BA) Occupation(s) Businesswoman, Writer, Venture Capitalist Organization Y Combinator Known for Co-founding Y Combinator, Founders at Work: Stories of Startups' Early Days Notable work Founders at Work: Stories of Startups' Early Days Spouse Paul Graham ...
The following notable startups have completed the Y Combinator Accelerator program. Mike Isaac described Y Combinator as: "Y Combinator accepts batches of start-ups twice a year in a semester-like system and gives them money, advice and access to a vast network of start-up founders and technologists who can advise them." [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 .
Startup accelerator Y Combinator is backing its first weapons startup — a firm that says it can make missiles smaller and cheaper than its competitors. "Ares is building a new class of anti-ship ...
Y Combinator—the startup incubator that helped launch DoorDash, Airbnb, Reddit, and Instacart—is backing a weapons maker for the first time, betting that it could shake up the defense industry ...
GelGreen is an intercalating nucleic acid stain used in molecular genetics for agarose gel DNA electrophoresis. GelGreen consists of two acridine orange subunits that are bridged by a linear oxygenated spacer. [1] [2] Its fluorophore, and therefore its optical properties, are essentially identical to those of other N-alkylacridinium orange dyes.