Sigma-Aldrich A5431 Noble agar 1 kg
Kategori
Marka
Stok Kodu
LB.SA.A5431-1KG
Kısa Bilgi
250 gr Synonym(s): Agar, Agar-agar, Gum agar Linear Formula: (C12H18O9)n CAS Number: 9002-18-0 EC Number: 232-658-1 MDL number: MFCD00081288 NACRES: NA.75
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Sigma-Aldrich A5431 Noble agar 1 kg
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Synonym(s): Agar, Agar-agar, Gum agar
Linear Formula: (C12H18O9)n
CAS Number: 9002-18-0
EC Number: 232-658-1
MDL number: MFCD00081288
NACRES: NA.75
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PROPERTIES
form powder Quality
Level 200
application(s) food and beverages
DESCRIPTION
General description
Noble agar, also known as agar or agar-agar, is a gelling hydrocolloid extracted from sea weeds such as Gelidium and Gracilaria.[1][2] It′s structure contains repeating units of D-galactose and 3,6-anhydro-L-galactose, with a few differences, in addition to a low ester sulphate residue.[1] Agarose and agaropectin are the key components of agar.[3] Noble agar is majorly used as both human and animal food supplement. In addition, it is also used in industries for the preparation of solid microbiological media.[2]
Application
Noble agar has been used as a component of growth medium for High grade serous ovarian cancer (HGSOC) cell lines for soft agar colony assay.[4] It has also been used as a media component to culture anaerobic bacteria, Bacteroides thetaitaomicron[5]
Noble agar has been used to make agar gel plates that acts as a standard solid support material:
to culture tumor spheroids[6][7]
in lysoplate assay method of Osserman & Lawlor to measure lysozyme concentration in albumen or plasma[8][9]
as BG11 media component to culture Scenedesmus obtusiusculus strains[10] Originally designed for use in Noble′s cyanide citrate agar.
Preparation Note
Further purified from bacteriological agar with careful specific washings.
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