SDS$504404$ - definizione. Che cos'è SDS$504404$
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Cosa (chi) è SDS$504404$ - definizione

AMERICAN COMPUTER COMPANY
Xerox Data Systems; SDS 92
  • An XDS Sigma 9 at the [[Living Computer Museum]], Seattle, Washington, 2014

SDS-PAGE         
  • Polymerised separating and stacking gel before removing the sample comb (white) between the spacers (black), in the stacking gel are small amounts of bromophenol blue for improved visibility, the separating gel is unstained
  • Coomassie-stained 10% Tris/Tricine gel. In the left lane, a molecular weight size marker was used to estimate the size (from top to bottom: 66, 45, 35, 24, 18 and 9 kDa). In the remaining lanes purified yeast proteins were separated.
  • Disulfide reduction by DTT
  • Sample combs with different numbers of pockets, each prong leaves a pocket in the gel when pulled out
  • Electrophoresis chamber after a few minutes of electrophoresis. In the first pocket a size marker was applied with bromophenol blue, in the other pockets, the samples were added [[bromocresol green]]
  • The proteins of the size marker (black X) show an approximately straight line in the representation of log M over Rf. The molecular weight of the unknown protein (red X) can be determined on the y-axis.
  • Unfolding of a protein with heat
  • Unfolding of a protein with SDS
  • Electrophoresis chamber after an hour of electrophoresis at 80 Volts. In the first and the last two wells loaded, a commercial protein ladder was applied. The other loaded wells contain protein samples coated in SDS.
BIOCHEMICAL SEPARATION AND ANALYSIS TECHNIQUE
SDS-polyacrylamide gel electrophoresis; SDS-page; Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis; SDS PAGE; SDSPAGE; Sodium dodecyl sulphate–polyacrylamide gel electrophoresis; Sodium dodecyl sulphate-polyacrylamide gel electrophoresis
SDS-PAGE (sodium dodecyl sulfate–polyacrylamide gel electrophoresis) is a discontinuous electrophoretic system developed by Ulrich K. Laemmli which is commonly used as a method to separate proteins with molecular masses between 5 and 250 kDa.
SDS 9 Series         
SERIES OF COMPUTERS
SDS 910; SDS 920; SDS 925; SDS 9300; SDS 9xx computers
The SDS 9 Series computers are a backward compatible line of transistorized computers produced by Scientific Data Systems in the 1960s and 1970s. This line includes the SDS 910, SDS 920, SDS 925, SDS 930, SDS 940, and the SDS 945.
Scientific Data Systems         
<company> (SDS) The company that produced the SDS 940 (later renamed XDS 940). Around 1968 Xerox bought out SDS and renamed the SDS machines to XDS. [What else?] (2001-03-03)

Wikipedia

Scientific Data Systems

Scientific Data Systems (SDS), was an American computer company founded in September 1961 by Max Palevsky and Robert Beck, veterans of Packard Bell Corporation and Bendix, along with eleven other computer scientists. SDS was an early adopter of integrated circuits in computer design and the first to employ silicon transistors. The company concentrated on larger scientific workload focused machines and sold many machines to NASA during the Space Race. Most machines were both fast and relatively low priced. The company was sold to Xerox in 1969, but dwindling sales due to the oil crisis of 1973–74 caused Xerox to close the division in 1975 at a loss of hundreds of millions of dollars. During the Xerox years the company was officially Xerox Data Systems (XDS), whose machines were the Xerox 500 series.