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。
HBc, anti-HBc serum (cassette rectangular)each进口DRG原装
HBc, anti- (Kit for IgG/IgM Antibodies to Hepatitis B Core Antigen) (ELISA)96 wells进口DRG原装
HBc IgM, anti- (Kit for IgM Antibody to Hepatitis B Core Antigen) (ELISA)96 wells进口DRG原装
HBc IgM Elisa (min. order 10kits)96 wells进口DRG原装
HBc IgM48 wells进口DRG原装
HBc Ab screening Elisa (min order 10kits)96 wells进口DRG原装
HBc Ab Rapid Test (dipstick) (min. 500 tests)1 test进口DRG原装
HBc Ab Rapid Test (cassette) (min. 500 cass.)cass.进口DRG原装
HAV IgM, anti- (Kit for IgM Antibody to Hepatitis A Virus) (ELISA)96 wells进口DRG原装
HAV IgM Elisa48 wells进口DRG原装
HAV IgM (capture) Elisa (min. order 10 kits)96 wells进口DRG原装
HAV Ab (min. order 10 kits)96 wells进口DRG原装
Hantaan Virus (rat) EcoElisa96 wells进口DRG原装
HAMA Elisa (human anti-mouse Ab) Magiwel96 wells进口DRG原装
H. Pylori* one step serum test (cassette) (infect. disease)each进口DRG原装
H. Pylori whole blood serum (one step test) (cassette) (inf. disease)each进口DRG原装
H. Pylori IgM, anti- (qualitative)96 wells进口DRG原装
H. Pylori IgM (qualitative)96 wells进口DRG原装
H. Pylori IgM (min. order 10 kits)96 wells进口DRG原装
H. Pylori IgG, anti- (Gastritus & Peptic Ulcer) qualitative96 wells进口DRG原装
H. Pylori IgG Elisa (min order 10 kits)96 wells进口DRG原装
H. Pylori IgG (Gastritus & peptic Ulcer) quantitative96 wells进口DRG原装
H. Pylori IgG (Gastritus & Peptic Ulcer) qualitative96 wells进口DRG原装
H. Pylori IgG96 wells进口DRG原装
H. Pylori IgA, anti- (qualitative)96 wells进口DRG原装
黑化链霉菌使用说明书H. Pylori IgA (min order 10 kits)96 wells进口DRG原装
H. Pylori IgA96 wells进口DRG原装
H. Pylori Antigen (1box= 25 dipsticks)test进口DRG原装
H. Pylori Antigen (1 box - 25 cassettes) (min. 1000 tests)cass.进口DRG原装
H. Pylori Ag Stool Extraction Kit (access. kit to EIA4354) (min. order 10 kits)50 tests进口DRG原装
H. Pylori Ag (stool) Elisa (extract. kit for stool not incl.) (min. order 10 kits)48 wells进口DRG原装
H. Pylori Ab (1 box / 25 dipsticks) (min. 1.000 tests)dipst.进口DRG原装
H. Pylori Ab (1 box = 25 cassettes) (min. 1.000 tests)cass.进口DRG原装
Growth Hormone Releasing Factor (human) EIA96 wells进口DRG原装
Growth Hormone (Rat/Mouse) Elisa96 wells进口DRG原装
Gonorrhoe Rapid Test (unit = 20 tests + swabs) min. order 10 kits20 tests进口DRG原装
GM-CSF (human) Elisa96 wells进口DRG原装
Glykoprotein 1 Screen, anti beta 296 wells进口DRG原装
Glykoprotein 1 IgA, anti beta 2 -96 wells进口DRG原装
Glycoprotein 1 IgG/IgM, anti-beta2 Elisa96 wells进口DRG原装
Glycodelin (PP14) Elisa96 wells进口DRG原装
Glucagon like peptide-1 (GLP-s) active (7-36) - for export only >96 wells进口DRG原装
Glucagon like peptide-1 (GLP-1) total Elisa96 wells进口DRG原装
Glucagon Like Peptide 1 (GLP-1) (7-26) Amide (human - rat - mouse)96 wells进口DRG原装
Glucagon Like Peptide 1 (active)96 wells进口DRG原装
Gliadin Screen, (Anti-Gliadin) Elisa96 wells进口DRG原装
Gliadin IgG, anti- Elisa96 wells进口DRG原装
Gliadin IgG (anti- ) Elisa96 wells进口DRG原装
Gliadin IgG96 wells进口DRG原装
Gliadin IgA (anti- ) Elisa96 wells进口DRG原装
Gliadin IgA96 wells进口DRG原装
Ghrelin (total) human Elisa96 wells进口DRG原装