先使微生物在极低温度(-70℃左右)下快速冷冻,然后在减压下利用升华现象除去水分(真空干燥)。有些方法如滤纸保藏法、液氮保藏法和冷冻干燥保藏法等均需使用保护剂来制备细胞悬液,以防止因冷冻或水分不断升华对细胞的损害。保护性溶质可通过氢和离子键对水和细胞所产生的亲和力来稳定细胞成分的构型。保护剂有牛乳、血清、糖类、甘油、二甲亚砜等。
HVA96 wells进口DRG原装
HTLV 1+2 Ab (min 10 kits)96 wells进口DRG原装
HTLV 1+2 (min order 2 kits)96 wells进口DRG原装
HSV 2 IgM CLA96 Wells进口DRG原装
HSV 2 IgM (Herpes Stimplex Virus) (ref. sera opt., price on req.)96 wells进口DRG原装
HSV 2 IgM (Herpes Simplex Virus)96 wells进口DRG原装
HSV 2 IgM96 wells进口DRG原装
HSV 2 IgG (Herpes Simplex Virus) (ref. sera opt., price on req.)96 wells进口DRG原装
HSV 2 IgG (Herpes Simplex Virus)96 wells进口DRG原装
HSV 2 IgG96 wells进口DRG原装
HSV 1+2 IgM (Herpes Simplex Virus) (ref. sera opt., price on req.)96 wells进口DRG原装
HSV 1+2 IgM (Herpes Simplex Virus)96 wells进口DRG原装
HSV 1+2 IgG (Herpes Simplex Virus)96 wells进口DRG原装
HSV 1 IgM CLA96 wells进口DRG原装
HSV 1 IgM (Herpes Simplex Virus) (ref. sera opt., price on req.)96 wells进口DRG原装
HSV 1 IgM (Herpes Simplex Virus)96 wells进口DRG原装
HSV 1 IgM96 wells进口DRG原装
HSV 1 IgG (Herpes Simplex Virus) (ref.sera opt., price on req.)96 wells进口DRG原装
HSV 1 IgG (Herpes Simplex Virus)96 wells进口DRG原装
HSV 1 IgG96 wells进口DRG原装
HSV 1 IgA*, Elisa96 wells进口DRG原装
HsP 70 (anti human Hsp 70) (heat shock protein) Elisa96 wells进口DRG原装
hPL (Placental Lactogen, Human)96 wells进口DRG原装
Homocysteine Controls3x1 vial进口DRG原装
Homocysteine96 wells进口DRG原装
HNP 1-3 (human), Elisa (Neutrophil Defensins)2x96 wells进口DRG原装
HMGB1 Elisa (High Mobility Group Box1 Protein)96 wells进口DRG原装
HIV Rapid cassettes (min order 5000)each进口DRG原装
HIV Rapid (cassette)1 cass.进口DRG原装
HIV 1+2, anti- (Sandwich) (Kit for Ab to human Immunodeficiency Virus 1&2) (ELISA)96 wells进口DRG原装
HIV 1+2 IgG/M96 wells进口DRG原装
HIV 1+2 Ab96 wells进口DRG原装
HIV 1&2 Ab&Ag (screening) Elisa (w/o CE) (min. order 10 kits)96 wells进口DRG原装
HIV 1&2 Ab&Ag (min. order 10 kits)192 wells进口DRG原装
Histone, anti- Elisa96 wells进口DRG原装
Histamine Research Elisa96 wells进口DRG原装
Histamine Intolerance (DAO active) Elisa96 wells进口DRG原装
藤黄色链霉菌使用说明书Histamine Food Elisa96 wells进口DRG原装
Histamine Elisa -96 wells进口DRG原装
Histamine Cell Culture Research Elisa96 wells进口DRG原装
HIAA , 5-HIAA (urine)96 wells进口DRG原装
HIAA (5-Hydroxy-3-Indole Acetic Acid)96 wells进口DRG原装
HGH (Human Growth Hormone)96 wells进口DRG原装
HEV IgM Elisa (min order 10 kits)96 wells进口DRG原装