赛默飞世尔Thermo Fisher 烧瓶 FLASK ER

Preparation of Tonsil Lysate

mesh screen (200 mesh=74 mm,Type 316; Tylinter,Mentr,hi) RPMI-1640 medium Tritn X-100 Lysis Buffer: 50 mM Tris-HCl,pH 7.5 150 mM NaCl 0.02% NaN3 10 mg/ml Aprtinin 10 mg/ml Pepstatin 10 mg/ml Leupeptin 1 mM PMSF (Made fresh the day f

Methods for DNA isolation

or cosmid DNA of interest into a 12 X 75 mm Falcon tube containing 2 ml of LB media supplemented with the appropriate antibiotic (typically ampicillin at 100 ug/ml) and incubate at 37deg C 8-10 hours with shaking at 250 rpm. Transfer the culture

RNA purification using TRizol--TRIZOL法提取RNA

microcentrifuge tubes.b.Centrifuge for 1 minute to pellet the cells.c.Pour off the supernatant.d.Add 1 ml of TRIzol or TRI reagent to the tubes.e.Lyse cells by repetitive pipetting.f.Centrifuge homogenate at 12000 x g for 10 minutes at 4℃.g.Transfer the homogenate