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A5431

Noble agar

Synonim(y):

Agar, Agar-agar, Gum agar

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Do Państwa/SKUDostępnośćCena netto
250 g
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2020,00 zł
1 kg
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6520,00 zł

Informacje o tej pozycji

Wzór liniowy:
(C12H18O9)n
Numer CAS:
UNSPSC Code:
50405901
NACRES:
NA.75
EC Number:
232-658-1
MDL number:
eCl@ss:
42040102

2020,00 zł


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form

powder

Quality Segment

application(s)

food and beverages
life science and biopharma

SMILES string

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

General description

Noble agar, also known as agar or agar-agar, is a gelling hydrocolloid extracted from sea weeds such as Gelidium and Gracilaria. 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. Agarose and agaropectin are the key components of agar. 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.

Application

Noble agar has been used to make agar gel plates that acts as a standard solid support material:
  • to culture tumor spheroids[1]
  • in lysoplate assay method of Osserman & Lawlor to measure lysozyme concentration in albumen or plasma
  • as BG11 media component to culture Scenedesmus obtusiusculus strains
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.[2] It has also been used as a media component to culture anaerobic bacteria, Bacteroides thetaitaomicron[3]
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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Ta pozycja
A9799A505401916
Agar High gel strength, suitable for plant cell culture

Sigma-Aldrich

A9799

Agar

Agar powder, suitable for microbiology

Millipore

01916

Agar

form

powder

form

powder

form

powder

form

powder

application(s)

food and beverages
life science and biopharma

application(s)

agriculture

application(s)

food and beverages
life science and biopharma

application(s)

microbiology

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100


Klasa składowania

11 - Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)



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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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