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Merck

A9799

Sigma-Aldrich

Agar

High gel strength, suitable for plant cell culture

Sinónimos:

Agar goma, Agar-agar

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About This Item

Fórmula lineal:
(C12H18O9)n
Número de CAS:
Número CE:
Número MDL:
Código UNSPSC:
50405901
NACRES:
NA.21

origen biológico

algae (Rhodophyceae)

Nivel de calidad

Formulario

powder

técnicas

cell culture | plant: suitable

temperatura de transición

transition temp 32-38 °C (1.5%)

fuerza de gel

>1000 g/cm2

aplicaciones

agriculture

temp. de almacenamiento

room temp

cadena SMILES

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

Clave InChI

GYYDPBCUIJTIBM-DYOGSRDZSA-N

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Descripción general

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.

Aplicación

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

Acciones bioquímicas o fisiológicas

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.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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