The product is stable for nearly 3 years when stored at room temperature. There is no specific requirement to store L2542 at 2-8°C. However, if the container is opened and closed, there is a possibility of contamination through routine use.
Wichtige Dokumente
L3522
LB-Bouillon (Miller)
Highly-referenced nutrient-rich microbial growth powder medium, suitable for regular E.coli culture
Synonym(e):
Luria-Bouillon, Miller’s LB Bouillon
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About This Item
Empfohlene Produkte
Qualität
for molecular biology
Qualitätsniveau
Beschreibung
Miller′s Modification, 10 g/L NaCl
Sterilität
non-sterile
Form
powder
Zusammensetzung
NaCl, 10 g/L
Tryptone, 10 g/L
Yeast Extract, 5 g/L
pH-Wert
6.8-7.2(2.5% solution)
Anwendung(en)
food and beverages
Lagertemp.
room temp
Eignung
nonselective for Escherichia coli
nonselective for coliforms
Allgemeine Beschreibung
Anwendung
Biochem./physiol. Wirkung
Leistungsmerkmale und Vorteile
- Einfaches Hochskalieren durch Verwenden größerer Packungsgrößen
- Kostengünstige Alternative zu Flüssigkeiten
- Standardmäßige Formulierung
Angaben zur Herstellung
2. Bei 121 °C 15 Minuten lang autoklavieren.
Zur Herstellung des Mediums nach Luria, Adams und Ting (auch LC-Bouillon genannt): Nach dem Autoklavieren 25 mL steriles 0,1-M-Calciumchlorid unter aseptischen Bedingungen hinzufügen.
Rekonstituierung
Ähnliches Produkt
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Protokolle
General protocols for growth of competent cells in microbial medium.
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What is the recommended duration for using this item after autoclaving, and can it be stored at 4 degrees Celsius for extended or long-term use?
1 answer-
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What are the differences among the Luria, Lennox and Miller LB formulations?
1 answer-
LB, (originally termed lysogeny broth) was initially composed of tryptone, yeast extract, NaCl and glucose. Soon after, the glucose was omitted (Miller's version), and later the NaCl content lowered by half (Lennox's version). For some applications, even lower salt is required (Luria's low salt version).
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Which bacterial culture medium is the best choice for my application?
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Each of the broths will likely grow E. coli very well, but there are still general guidelines for choosing a broth when you are working without a protocol. Generally:LB - Miller and LB - Lennox are used for E. coli growth and maintanence, DNA plasmid production and protein production. The Lennox formulation has a lower salt content required for some salt-sensitive selection antibiotics.LB - Luria low salt is used for special applications where the E. coli growth or other constraints require the lowest possible salt content.Terrific Broth is used for higher yield protein production and high yield DNA plasmid production, because of the faster growth of the E. coli in this medium.SOB is used for protein production, DNA plasmid production and the generation of high-efficiency competent cells.SOC is used for initial growth of competent cells and the transformation procedure.
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Will adding magnesium to the culture medium increase cell density?
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In microbial broth formulations that do not already contain magnesium, the addition of 10-20 mM MgCl2 or MgSO4 may increase cell densities. You may need to also increase the shaking speed of the incubator.
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What is the difference among the LB - Miller products?
1 answer-
LB - Miller is available in many types to suit your needs. The different product formats include powder and liquid form. The powder form is also available with agar for easy LB-agar plate preparation.L2542 (LB Miller liquid)L3522 (LB Miller powder)L3147 (LB Miller powder with agar)
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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