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V900500

Millipore

Agar

Vetec™, reagent grade, suitable for microbiology

Synonym(s):

Agar-agar, Gum agar, Agar-agar, Gum agar

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About This Item

Linear Formula:
(C12H18O9)n
CAS Number:
9002-18-0
EC Number:
232-658-1
MDL number:
MFCD00081288
UNSPSC Code:
41106200

grade

reagent grade

sterility

non-sterile

product line

Vetec™

shelf life

limited shelf life, expiry date on the label

storage condition

(Tightly closed)

pH

5-8 (1.5% in solution)

application(s)

microbiology

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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General description

Agar is widely used in microbiology as a solidifying agent in microbial culture media. It is a polysaccharide derived from seaweed and is primarily composed of agarose. Agar is a mostly inert substance, which makes it an ideal material for microbial culture media because it doesn’t interfere with the growth of microorganisms. Agar can solidify media, allowing microorganisms to grow in a solid environment, which facilitates the formation of distinct colonies and selective isolation of specific microorganisms. Agar is also used in the preparation of selective and differential media, which can provide additional nutrients or other chemical substances to promote or inhibit the growth of specific microorganisms selectively. Agar is sterilized by autoclaving and then poured into Petri dishes, where it can cool and solidify, forming the surface for microbial growth.

Application

Agar is commonly used as a solidifying agent in many microbial culture media for the growth and identification of bacteria, yeasts, and molds from various pharmaceutical, environmental, and food and beverage samples.

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Certificates of Analysis (COA)

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Xiaohua Dong et al.
Cell reports, 30(8), 2614-2626 (2020-02-27)
Synapses are fundamental to the normal function of the nervous system. Glia play a pivotal role in regulating synaptic formation. However, how presynaptic neurons assemble synaptic structure in response to the glial signals remains largely unexplored. To address this question
Malika Gouali et al.
Journal of clinical microbiology, 51(3), 894-900 (2013-01-04)
The performance of CHROMagar STEC and CHROMagar STEC O104 (CHROMagar Microbiology, Paris, France) media for the detection of Shiga toxin-producing Escherichia coli (STEC) was assessed with 329 stool specimens collected over 14 months from patients with suspected STEC infections (June
Miaomiao Shi et al.
Journal of bacteriology, 195(7), 1463-1474 (2013-01-22)
We report a previously undescribed mechanism for the rugose morphotype in Shewanella oneidensis, a research model for investigating redox transformations of environmental contaminants. Bacteria may form smooth or rugose colonies on agar plates. In general, conversion from the smooth to
Extracellular bioluminescence of mycelium metabolites of the luminous mushroom Panellus stipticus (IBSO-2301) growing on an Agar medium.
A P Puzyr et al.
Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections, 448, 39-40 (2013-03-13)
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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