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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biological source
algae (marine)
Quality Level
grade
Molecular Biology
product line
BioReagent
form
powder
technique(s)
electrophoresis: suitable
impurities
≤10% moisture content
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%
suitability
suitable for electrophoresis
suitable for molecular biology
foreign activity
DNase, RNase, none detected
SMILES string
O1[C@H]([C@@H]([C@H]([C@H]([C@H]1CO)O)O[C@@H]4O[C@@H]5[C@H]([C@@H](OC5)[C@@H]4O)O[C@@H]6O[C@@H]([C@@H]([C@@H]([C@H]6O)O)O)CO)O)O[C@H]2[C@H]3OC[C@@H]2O[C@H]([C@H]3O)O
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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Este artículo | A0169 | A2576 | A0576 |
|---|---|---|---|
| EEO 0.09-0.13 | EEO 0.09-0.13 | EEO ≤0.12 | EEO ≤0.12 |
| form powder | form powder | form powder | form powder |
| gel strength ≥1200 g/cm2 (1% gel) | gel strength ≥1200 g/cm2 (1% gel) | gel strength ≥300 g/cm2 (1.5% gel) | gel strength ≥1800 g/cm2 (1% gel), ≥3200 g/cm2 (1.5% gel) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| product line BioReagent | product line - | product line - | product line - |
| grade for molecular biology | grade - | grade Molecular Biology | grade - |
General description
Application
- en la electroforesis en gel para analizar la integridad del ADN[2]
- para preparar geles hidrocoloides y estudiar la influencia estructural de los geles en la liberación de carbohidratos[3]
- en la electroforesis en gel para analizar la integridad del ARN[4]
- es adecuada para aplicaciones proteicas como la inmunodifusión de Ouchterlony y radial (RID)
Biochem/physiol Actions
Features and Benefits
- Biocompatible
- Los geles de agarosa tienen tamaños de poro más grandes que los geles de poliacrilamida a bajas concentraciones
- A diferencia de la poliacrilamida, la consistencia de los geles es más sólida (pero también menos elástica)
- Posee poco bromuro de etidio y SYBR verde
Analysis Note
Contenido de sulfatos - utilizados como un indicador de pureza, ya que los sulfatos constituyen el principal grupo iónico presente.
Fuerza del gel - la fuerza que debe aplicarse a un gel para provocar su fractura.
Punto de gelificación - la temperatura a la cual una disolución acuosa de agarosa forma un gel cuando se enfría. Las disoluciones de agarosa exhiben histéresis en la transición de líquido a gel - es decir, su punto de gelificación no es el mismo que su temperatura de fusión.
Electroendosmosis (EEO) - movimiento de líquido a través del gel. En un gel de agarosa, los grupos aniónicos están pegados a la matriz y no pueden moverse, pero los contra-cationes disociables pueden migrar en la matriz hacia el cátodo, dando lugar a EEO. Dado que el movimiento electroforético de los biopolímeros suele ser en dirección al ánodo, la EEO puede alterar las separaciones debido a la convección interna.
Other Notes
comparable product
related product
Clase de almacenamiento
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Protocolos
GenElute™ Bacterial Genomic DNA Kit protocol describes a simple and convenient way for the isolation of pure genomic DNA from bacteria.
The GenElute™ Blood Genomic DNA Kit Protocol provides a simple and convenient way to isolate pure genomic DNA from fresh or aged whole blood.
The GenElute Mammalian Genomic DNA Purification Kit Protocol describes the isolation of pure, high molecular weight DNA from a variety of mammalian sources.
Contenido relacionado
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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I would like to know the molecular weight of this agarose.
1 answer-
Agarose is a polysaccharide made up of alternating ?-D-galactose and 3,6-anhydro-L-galactose units of agarobiose in its chemical structure. The molecular weight is variable and has not been determined. Please see the link below for additional information, including an agarose selection guide:
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/181/864/a9539pis.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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Good afternoon, The specification of this product indicates that the amount of sulfate is lower or equal to 15%. Could you please specify what the 15% refers to? mass of sulfate groups per total mass of the polymer? Best regards
1 answer-
This product contains trace amounts of sulfate. The maximum amount allowable is 0.15% by weight.
Helpful?
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