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Agarose commercial

Plus One REPEL-SILANE ES (a solution of 2% w/v of dichloromethyl silane in octamethyl cyclooctasilane) is used to inhibit the sticking of polyacrylamide gels, agarose gels and nucleic acids to glass surfaces and is available commercially (Amersham Biosciences). [Pg.4]

An important factor in all these experiments is the choice of bead used to immobilize the probe. Biochemists have considered cross-linked agarose beads to be exceptionally hydrophilic with a low tendency to bind proteins nonspecifically, and these beads have the further attraction of being commercially available in activated forms (succinimidyl esters, epoxides, and maleimides, for example). However, early trials of bead-based chemical proteomics have shown that many proteins in mammalian cell lysates bind tenaciously to agarose beads. This was unimportant in many studies in which protein-protein interactions were detected by coimmunoprecipitation with immunochemical... [Pg.349]

There are a number of different cell fixation and process methods used in laboratories worldwide. Fixation time in tissue will reflect a commonly accepted fixation time such as that seen in pre-analytical guidelines published in the package inserts for commercially available kits. Regarding cell lines points to note are how soon are the cells fixed after harvesting, are the cells fixed in suspension, or when are they in a suspension matrix such as agarose. [Pg.107]

Extract from agarose using a commercial gel extraction kit. [Pg.3]

Porous supports like agarose, pol3mrethacrylate, or silica beads are generally used in current applications of affinity chromatography. However, in the past several years other types of supports have also become available commercially. Many of these newer materials have properties that give them superior performance in certain applications. Materials that fall in this category include nonporous supports, membranes, flow-through beads, continuous beds and expanded-bed particles. [Pg.68]

Aliquots (2-5 pi) of serum are applied to an agarose gel using a sample application template. Incubation for 5-10 min allows diffusion of the sample into the gel before the gel is transferred to the electrophoresis unit. Depending on the gel size and commercial application, electrophoresis is performed at 50-80 V for 45-90 minutes in barbital buffer. The gel is then dried in an oven at 60-80°C for 10-20 min. [Pg.507]

Restriction endonucleases are bacterial enzymes that cleave DNA at sequence specific sites. They were first discovered in 1970 [19]. Almost 2000 restriction enzymes have been identified since, and several hundred of these are commercially available [1]. Many mutations remove or create a particular restriction site in the DNA sequence. These mutations can be identified by PCR amplification, incubation of the product with the appropriate enzyme followed by visualisation of the fragments on an agarose gel. [Pg.820]


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