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
A4718
Agarosa
Molecular Biology
Sinónimos:
3,6-Anhydro-α-L-galacto-β-D-galactan
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| A ustedes/SKU | Disponibilidad | Precio |
|---|
Acerca de este artículo
biological source
algae (marine)
Quality Segment
grade
Molecular Biology
form
powder
technique(s)
electrophoresis: suitable
EEO
≤0.05
mp
≤75 °C (3% gel)
transition temp
gel point ≤35 °C (3% gel)
foreign activity
DNase, RNase, NICKase, none detected
storage temp.
room temp
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
General description
Application
Low ethidium bromide and SYBR Green background staining
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.
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Este artículo | |||
|---|---|---|---|
| EEO ≤0.05 | EEO 0.16-0.19 | EEO 0.09-0.13 | EEO 0.09-0.13 |
| form powder | form powder | form powder | form powder |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade Molecular Biology | grade Molecular Biology | grade Molecular Biology | grade - |
| technique(s) electrophoresis: suitable | technique(s) - | technique(s) electrophoresis: suitable | technique(s) - |
| foreign activity DNase, RNase, NICKase, none detected | foreign activity - | foreign activity DNase, RNase, none detected | foreign activity - |
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Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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
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Is this agarose high-resolution, and suitable for PCR applications?
1 answer-
The High Resolution Agarose, product number A4718, is an intermediate-melting agarose that offers approximately double the resolution capability compared to standard agarose. It is capable of resolving PCR products and DNA fragments ranging from 200-800 bp that differ in size by as little as 2%. This makes it ideal for separating small DNA fragments, such as PCR products, with very small size differences, offering a resolution comparable to that achieved with polyacrylamide gels.
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