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
A2576
Agarose
Ultra-low Gelling Temperature, molecular biology grade
Synonyma:
3,6-Anhydro-α-L-galacto-β-D-galactan
Vybrat velikost
| Vám/SKU | Dostupnost | Cena |
|---|---|---|
5 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 7 200,00 Kč |
25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 23 000,00 Kč |
O této položce
7 200,00 Kč
grade
Molecular Biology
Quality Segment
type
Type IX-A
form
powder
technique(s)
electrophoresis: suitable
impurities
≤7% water
ash
≤0.4%
mp
≤62 °C
transition temp
gel point ≤20 °C (1.5% gel)
gel strength
≥300 g/cm2 (1.5% gel)
anion traces
sulfate (SO42-): ≤0.14%
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
- in thaumatin and elastase protein crystallization
- in microcasting using a polydimethylsiloxane (PDMS) mold with micro-channel
- in agarose micro-confinement array
Analysis Note
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.
1 of 1
Tato položka | |||
|---|---|---|---|
| description Ultra-low Gelling Temperature, molecular biology grade | description Ultra-low Gelling Temperature | description Type I-A, low EEO | description Type I, Molecular Biology |
| form powder | form powder | form powder | form - |
| EEO ≤0.12 | EEO ≤0.05 | EEO 0.09-0.13 | EEO - |
| gel strength ≥300 g/cm2 (1.5% gel) | gel strength - | gel strength ≥1200 g/cm2 (1% gel) | gel strength - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| grade Molecular Biology | grade - | grade - | grade Molecular Biology |
| technique(s) electrophoresis: suitable | technique(s) - | technique(s) - | technique(s) - |
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Skladovací třída
11 - Combustible Solids
WGK
WGK 1
Bod vzplanutí (°F)
Not applicable
Bod vzplanutí (°C)
Not applicable
PPE (osobní ochranné prostředky)
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?
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
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What is the molecular weight of this agarose?
1 answer-
The molecular weight of this product has not been determined.
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