产地	货号	规格	促销价	赠送
Gibco	11811-023	1G	450(元)	送机器猫一个
Gibco	11811-023	5G	2000元	送世博会门票一张
Amresco	E589	1G	380元	送机器猫一个
Amresco	E589	5G	1050元	送2G优盘一个
Merck	345810	1G	400元	送机器猫一个
Merck	345810	5G	1610元	送世博会门票一张
Promega	V7983	1G	420元	送机器猫一个
Promega	V7983	5G	1700元	送世博会门票一张

 

Description

Antibiotic G-418 Sulfate is an aminoglycosidic antibiotic toxic to both prokaryotic and eukaryotic cells. It acts by interfering with protein synthesis and is used as an agent for selection of cultured cells expressing a gene (i.e., aminoglycoside 3´ phosphotransferase [APH 3´]) that confers resistance to G-418. The liquid form of the product is in distilled water and aseptically filtered.

Features

Sterile: Antibiotic G-418 Sulfate Solution is quality tested for sterility.

Storage Conditions

Store powder at 22–25°C. Store liquid at –20°C.

Formula Weight

692.6 (anhydrous).

Properties

POWDER:

       Appearance: White powder.

       TLC: Single major spot.

       Elemental Analysis: C = 28.8–36.1; H = 5.8–7.8; N = 6.7–8.4.

       Hydration Waters: 0–6, as determined from Elemental Analysis.

       Absorbance A₂₈₀ (1mg/ml): 0–0.015.

       Absorbance A₅₇₀ (100mg/ml): 0–0.1.

       Specific Rotation: +104–121°C.

       Potency: >500μg/mg.

       ED₅₀ Resistant: ≥2,500mg/ml.

       ED₅₀ Sensitive: ≤400mg/ml.

LIQUID:

       Potency: 40–60mg/ml.

Sterility:

 Aseptically filtered.

 

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