Reagentia moleculaire biologie

USP, Ph. Eur. Tested for use in tissue culture.

DNase/RNase not detected. 20 x concentrated aqueous solution. Commonly used buffer in transfer, blocking and hybridization in both Northern and South

DNase/RNase not detected.

Crystalline, easily soluble in water, more stable than the monopotassium salt. Store dry in the dark. Substrate for phosphatase.

X-gal is a well known histochemical substrate used to detect the β-galactosidase enzyme (1, 2, 3, 4, 9, 10). Identification of lacf-colonies (8). X-

Ammonium acetate can be used instead of sodium acetate for precipitation of nucleic acids. In general, for precipitation of DNA a 7.5 M stock solutio

7.5 M stock solution (ammonium acetate, cat. no. 39750: 578.1 g/l) for precipitation of DNA. Short oligonucleotides and free dNTPs do not coprecipit

DNase/RNase not detected.

DNase/RNase not detected.

Suitable for nucleic acid purification and for removal of traces of phenol from aqueous DNA and RNA samples.

DNase, RNase, Proteases not detected. Mixture of chloroform and isoamyl alcohol (ratio 24:1). Bottled under inert gas. Suitable for nucleic acid pur