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A9045 Sigma

Agarose, low gelling temperature

BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture

Synonym: 2-Hydroxyethyl agarose


Related Categories Agarose, Cell Culture, Companion Products and Reagents, Core Bioreagents, Insect Platform,
product line   BioReagent
solubility   H2O: soluble10 mg/mL (with heat)
suitability   suitable for cell culture
  suitable for insect cell culture
  suitable for plant cell culture


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Analysis Note

The following is a list of properties associated with our agaroses:
Sulfate content - used as an indicator of purity, since sulfate is the major ionic group present.
Gel strength - the force that must be applied to a gel to cause it to fracture.
Gel point - the temperature at which an aqueous agarose solution forms a gel as it cools. Agarose solutions exhibit hysteresis in the liquid-to-gel transition - that is, their gel point is not the same as their melting temperature.
Electroendosmosis (EEO) - a movement of liquid through the gel. Anionic groups in an agarose gel are affixed to the matrix and cannot move, but dissociable counter cations can migrate toward the cathode in the matrix, giving rise to EEO. Since electrophoretic movement of biopolymers is usually toward the anode, EEO can disrupt separations because of internal convection.


A low gelling temperature derivative with unique gelling properties. Gels form at <30 °C, remelt at temperatures in excess of 60 °C. Gels exhibit excellent clarity and are particularly useful for the preparation of media containing heat-labile materials.

Price and Availability

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