A6013

Sigma-Aldrich

Agarose

Type I, low EEO

CAS Number:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

biological source

algae (Gelidium & Gracilaria)

type

Type I

form

powder

application(s)

electrophoresis: suitable

impurities

≤10% water

EEO

0.09-0.13

transition temp

gel point 36 °C ±1.5 °C (1.5% gel)

gel strength

≥1200 g/cm2 (1% gel)

anion traces

sulfate (SO42-): ≤0.15%

InChI

1S/C24H38O19/c25-1-5-9(27)11(29)12(30)22(38-5)41-17-8-4-36-20(17)15(33)24(40-8)43-18-10(28)6(2-26)39-23(14(18)32)42-16-7-3-35-19(16)13(31)21(34)37-7/h5-34H,1-4H2/t5-,6-,7+,8+,9+,10+,11+,12-,13+,14-,15+,16-,17-,18+,19+,20+,21-,22+,23+,24+/m1/s1

InChI key

MJQHZNBUODTQTK-WKGBVCLCSA-N

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General description

Agarose is a polymer of agarobiose (L- and D-galactose) subunits. It is isolated from the seaweed Gelidium and Gracilaria. Agarose forms non-covalent network of bundles. It is exploited for the separation of nucleic acids. The concentration and pore size of the gel are inversely related. Agarose has wide range of separation and is simple and rapid to prepare without the need of catalyst.

Application

Agarose has been used:
  • in the embedding of fluorescent nanospheres.
  • for the generation of tissue-like phantoms similar to myocardial tissues.
  • in hydrogel preparation.

Packaging

5, 10, 25, 50, 100, 250, 500 g in poly bottle
1 kg in poly bottle

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.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Whispering gallery mode micro resonators for multi-parameter sensing applications
Mallik AK, et al.
Optics Express, 26(24), 31829-31838 (2018)
In Vivo Superresolution Imaging of Neuronal Structure in the Mouse Brain
Urban BE, et al.
IEEE Transactions on Bio-Medical Engineering, 65(1), 232-238 (2018)
Introduction to agarose and polyacrylamide gel electrophoresis matrices with respect to their detection sensitivities (2012)
Irina M Zurina et al.
Frontiers in bioengineering and biotechnology, 8, 540-540 (2020-06-26)
Pigmentation is the result of melanin synthesis, which takes place in melanocytes, and its further distribution. A dysregulation in melanocytes' functionality can result in the loss of pigmentation, the appearance of pigment spots and melanoma development. Tissue engineering and the...
Christos G Xanthis et al.
Magnetic resonance imaging, 48, 96-106 (2017-12-31)
Quantitative cardiovascular Magnetic Resonance Imaging techniques are gaining wide acceptance within the MR community due to their potential to diagnose non-localized disease, guide therapy and improve patient outcome. During the last decade, there has been an increasing interest for developing...

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