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安全信息

56763

Millipore

琼脂

high purity, low ionic content, low gel strenght, suitable for microbiology

别名:

洋菜，琼胶, 琼脂-琼脂, 胶琼脂

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About This Item

线性分子式:
(C12H18O9)n
CAS号:
9002-18-0
EC 号:
232-658-1
MDL编号:
MFCD00081288
UNSPSC代码:
41106212
NACRES:
NA.85

质量水平

200

无菌性

non-sterile

表单

powder

保质期

limited shelf life, expiry date on the label

灼烧残渣

≤4.0%

缺失

≤10% loss on drying

浊度

≤8 NTU (after autoclaving)

mp

85-95 °C

转变温度

gel point 34-36 °C

凝胶强度

≥800 g/cm2

痕量阴离子

sulfate (SO42-): ≤2.75%

痕量阳离子

Ca: ≤500 mg/kg
Mg: ≤200 mg/kg

应用

microbiology

SMILES字符串

O1[C@@H]([C@@H]([C@@H]([C@H](C1OC2[C@H]3OCC2OC([C@H]3O)C)O)OC)O)CO

InChI

1S/C14H24O9/c1-5-8(16)13-11(7(21-5)4-20-13)23-14-10(18)12(19-2)9(17)6(3-15)22-14/h5-18H,3-4H2,1-2H3/t5?,6-,7?,8-,9+,10-,11?,12+,13+,14?/m1/s1

InChI key

GYYDPBCUIJTIBM-DYOGSRDZSA-N

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相关类别

一般描述

琼脂具有高纯度、低离子含量和低凝胶强度，作为微生物培养基的凝固剂被广泛应用于微生物学。它是从海藻中提取的多糖，主要由琼脂糖组成。琼脂基本上是一种惰性物质，这使它成为微生物培养基的理想材料，因为它不会干扰微生物的生长。琼脂可以固化培养基，使微生物在固体环境中生长，促进不同菌落的形成，并可以选择性地分离特定的微生物。琼脂还用于制备选择性和鉴别性培养基，这些培养基可以提供额外的营养物质或其他化学物质，以选择性地促进或抑制特定微生物的生长。琼脂通过高压灭菌法灭菌，然后倒入培养皿冷却和固化，形成微生物生长的表面。

应用

琼脂通常用作许多微生物培养基的凝固剂，用于各种制药、环境、食品和饮料样品中的细菌、酵母和霉菌的生长和鉴定。

分析说明

毒性物质：无

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

新产品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCJ3606
BCCD5385
BCCB4264

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Arnaud Dechesne et al.
Applied and environmental microbiology, 74(16), 5195-5200 (2008-07-01)
Water is arguably the most important constituent of microbial microhabitats due to its control of physical and physiological processes critical to microbial activity. In natural environments, bacteria often live on unsaturated surfaces, in thin (micrometric) liquid films. Nevertheless, no experimental
Queeny Wing-Han Yuen et al.
The open biomedical engineering journal, 5, 39-46 (2011-06-07)
Cervical lymph nodes are common sites of metastatic involvement in head and neck cancers. These lymph nodes are superficially located and palpation is a common practice for assessing nodal hardness and staging cancer which is, however, too subjective and with
GunNam Na et al.
The Journal of biological chemistry, 286(47), 40423-40432 (2011-09-21)
When growing in its native habitat, Thlaspi goesingense can hyperaccumulate 1.2% of its shoot dry weight as nickel. We reported previously that both constitutively elevated activity of serine acetyltransferase (SAT) and concentration of glutathione (GSH) are involved in the ability
Jacky M Tiang et al.
PloS one, 6(2), e17031-e17031 (2011-02-25)
Arylamine N-acetyltransferase-1 (NAT1) is an enzyme that catalyzes the biotransformation of arylamine and hydrazine substrates. It also has a role in the catabolism of the folate metabolite p-aminobenzoyl glutamate. Recent bioinformatics studies have correlated NAT1 expression with various cancer subtypes.
Timothy A Wencewicz et al.
Journal of medicinal chemistry, 56(10), 4044-4052 (2013-04-26)
Chemical syntheses and biological evaluation of biscatecholate-monohydroxamate mixed ligand sideromycins utilizing the carbacephalosporin β-lactam antibiotic loracarbef and the fluoroquinolone antibiotic ciprofloxacin are described. The mixed ligand β-lactam sideromycin (1b) had remarkably selective and extremely potent antibacterial activity against the Gram-negative
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Base Ingredients of Microbiology Media

Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.

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