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Mammillaria sp. on MS media in agar. Murashige and Skoog medium (or MSO or MS0 (MS-zero)) is the most popular plant growth medium used in the laboratories worldwide for cultivation of plant cell culture on agar. MS0 was invented by plant scientists Toshio Murashige and Folke K. Skoog in 1962 during Murashige's search for a new plant growth ...
Here, the MS is used for the identification and sizing of proteins. The identification of a protein sample can be done in an ESI-MS by de novo peptide sequencing (using tandem mass spectrometry) or peptide mass fingerprinting. Both methods require the previous digestion of proteins to peptides, mostly accomplished enzymatically using proteases.
LB medium bottle and LB agar plate Plate medium agar LB. Lysogeny broth (LB) is a nutritionally rich medium primarily used for the growth of bacteria. Its creator, Giuseppe Bertani, intended LB to stand for lysogeny broth, [1] but LB has also come to colloquially mean Luria broth, Lennox broth, life broth or Luria–Bertani medium. [2]
A quadrupole time-of-flight hybrid tandem mass spectrometer. Tandem mass spectrometry, also known as MS/MS or MS 2, is a technique in instrumental analysis where two or more stages of analysis using one or more mass analyzer are performed with an additional reaction step in between these analyses to increase their abilities to analyse chemical samples. [1]
The extraction cell is filled with the solid sample to be examined and placed in a temperature-controllable oven. After adding the solvent, the cell is heated at constant pressure (adjustable between 0.3 and 20 MPa) up to a maximum temperature of 200°C and kept at constant conditions for a while so that equilibrium can be established.
The advantage of these products for the inexperienced customer lies in the guaranteed functioning of the diverse solutions in combination with a ready-made protocol for the process. A few companies have tried to improve the handling process of in-gel digestion to allow even with manual sample preparation an easier and more standardised workflow.
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Pediococcus acidilactici colonies on an MRS agar plate. De Man–Rogosa–Sharpe agar, often abbreviated to MRS, is a selective culture medium designed to favour the luxuriant growth of Lactobacilli for lab study.