PCR RESEARCH CHEMICALS, INC

Sephadex G-200 separates substances with molec- ular weights smaller than about 200,000. As with the other. Sephadex types, G-100 and G-200 act as molecular sieves. Molecules of larger dimension than the matrices of the par- ticles do not penetrate t

... simple and fast, gives excep- tionally high yieldsof very pure peptides free from by-products and withoutappreciable racemization. Also available from PILOT are synthetic polypep- tides. For more information, write to 591-A. CHEMICALS, INC. 36 Pl

30-38. 1. In Tris —HCl buffer, pH —8.3, ionic strength = 0.05. 2. In sodium phosphate buffer pH = 6, ionic strength = 0.06. For additional technical information, ...

are obtained with this mixture in- clude zinc, selenium, arsenic, cop- per, cobalt, silver, cadmium,anti- mony, chromium, molybdenum, strontium, and iron.

favorable with the same order of favorability for metals and alloys. Cost. Replies for all threecate- gories, organic andinorganic chem- icals and metals and alloys ...

dle and photomultiplier tube) measures one element depending on which inter- changeable filter is used while the dual system measures both elements simul-.

well-known predecessors in the SEPHADEX series of dextran gels,* is ... with random ether bonds between glucose residues in the ... Western Hemisphere.

9eo"o#^e'*-n -. '·. ··?/.o·^·0. ·· o. 1 Outside water replaced by solution. _.-£o ... f) Adsorption chromatography—Sephadex ... 10,000; G-75: MW 40,000-50,000.

Information Service A comprehensive reference fist, abstract cards, and other informa ... available. Direct inquiries on your letterhead to the local. Pharmacia ...

800 Centennial Ave-, Piscataway, New Market, New Jersey 08854. (Inquiries outside North America ... Visit Our Booth. C-47, Club Floor- at the PH. Conference.