Name: Agar
Brand: SIGMA

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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 코드:

50405901

NACRES:

NA.21

기술 서비스

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도움 문의

생물학적 소스

algae (Rhodophyceae)

Quality Level

200

양식

powder

기술

cell culture | plant: suitable

전이 온도

transition temp 32-38 °C (1.5%)

겔 강도

>1000 g/cm²

응용 분야

agriculture

저장 온도

room temp

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

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일반 설명

Agar is a natural polymer extracted from red alga Rhodophyceae, primarily, consisting of alternative D- and L-galactose units. This type of high gel strength agar is used when a firmer gel is required and mostly suitable for plant cell culture.

Agar is a polysaccharide complex obtained through bleaching and hot water extraction of agarocytes from the red alga Rhodophyceae, found in the Pacific and Indian Oceans and the sea of Japan. The genera Gelidium, Acanthopeltis, Ceramium, Pterocladia and Gracilaria predominate in agar production. Agar is composed of about 70% agarose and 30% agaropectin.

애플리케이션

Agar has been used:

as a component of the fruit fly diet
as a component of saline-agar for the approximation of gray matter from brain
in in vitro root nodulation assay of Glycine max seeds

Agar has been used:

in the preparation of laboratory diet to maintain the culture of D. melanogaster wild-type larva
as a high gel strength agar in the seed culture media to grow Arabidopsis thaliana mutant seeds
to construct a tissue-mimicking phantom to test the imaging performance of an ultrasound transducer

생화학적/생리학적 작용

Agar with a higher percentage of anhydrous units in the backbone of their chemical composition provides superior mechanical stiffness and strength to the pristine hydrogel.