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.
L3522
LB Broth (Miller)
Highly-referenced nutrient-rich microbial growth powder medium, suitable for regular E.coli culture
Synonyma:
Luria Broth, Miller’s LB Broth
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Vybrat velikost
Změnit zobrazení
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 250 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 2 470,00 Kč | |
| 1 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 7 420,00 Kč |
O této položce
NACRES:
NA.85
UNSPSC Code:
41106200
2 470,00 Kč
Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti.
Technický servis
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Molecular Biology
Quality Level
description
Miller′s Modification, 10 g/L NaCl
sterility
non-sterile
form
powder
composition
NaCl, 10 g/L , Tryptone, 10 g/L , Yeast Extract, 5 g/L
pH
6.8-7.2(2.5% solution)
application(s)
food and beverages
storage temp.
room temp
suitability
nonselective for Escherichia coli, nonselective for coliforms
General description
Miller′s LB is a highly-referenced microbial growth medium used for the cultivation of E. coli. This nutrient-rich microbial broth contains peptides, amino acids, water-soluble vitamins, and carbohydrates.
Application
LB Broth (Miller) has been used as a culture medium for E coli, Pseudomonas putida KT2440, Vibrio parahaemolyticus, and soil samples for the isolation of Bacillus spp.
Suitable for non-selective cultivation of E. coli strains for cloning, DNA plasmid production and production of recombinant proteins. Also suitable for selective cultivation when appropriate antibiotics are added.
Suitable for non-selective cultivation of E. coli strains for cloning, DNA plasmid production and production of recombinant proteins. Also suitable for selective cultivation when appropriate antibiotics are added.
Biochem/physiol Actions
Luria Broth is used for maintenance and propagation of Escherichia coli. The E. coli grow faster in Luria Broth because the tryptone and yeast supply essential growth factors that the E. coli would otherwise have to synthesize. Luria Broth also contains essential electrolytes for transport and osmotic balance, due to the NaCl component.
Features and Benefits
Miller′s LB powder provides:
- Easy scale-up using larger package sizes
- A budget-friendly alternative to liquid
- Standard formulation
Preparation Note
1. Suspend 25 g in 1 L of distilled water.
2. Autoclave for 15 minutes at 121 °C.
To prepare the medium of Luria, Adams and Ting (also known as LC broth: Aseptically add 25 ml of sterile 0.1 M calcium chloride after autoclaving.
2. Autoclave for 15 minutes at 121 °C.
To prepare the medium of Luria, Adams and Ting (also known as LC broth: Aseptically add 25 ml of sterile 0.1 M calcium chloride after autoclaving.
Stir to suspend 25g powder in 1L water. Autoclave for 15 minutes at 121C to sterilize. Allow to cool before making additions, such as antibiotics (if desired).
1 of 1
Tato položka | |||
|---|---|---|---|
| suitability nonselective for Escherichia coli, nonselective for coliforms | suitability nonselective for Escherichia coli, nonselective for coliforms | suitability nonselective for Escherichia coli, nonselective for coliforms | suitability nonselective for Escherichia coli, nonselective for coliforms |
| form powder | form liquid | form powder | form powder |
| composition NaCl, 10 g/L , Yeast Extract, 5 g/L , Tryptone, 10 g/L | composition - | composition Agar, 15 g/L , NaCl, 10 g/L , Tryptone, 10 g/L , Yeast Extract, 5 g/L | composition NaCl, 5 g/L , Tryptone, 10 g/L , Yeast Extract, 5 g/L |
| sterility non-sterile | sterility sterile; 0.2 μm filtered | sterility non-sterile | sterility non-sterile |
| application(s) food and beverages | application(s) microbiology | application(s) food and beverages | application(s) food and beverages |
| Quality Level 200 | Quality Level 400 | Quality Level 200 | Quality Level 200 |
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Skladovací třída
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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Protokoly
Kultivace E. coli v rozsahu od malých kultur až po fermentaci. Zahrnuty jsou protokoly pro založení startovací kultury, suspenzní buňky, monokulturu a pokovení bakteriofága M13.
General protocols for growth of competent cells in microbial medium.
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Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| L3522-250G | 04061835573479 |
| L3522-1KG | 04061835573462 |
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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-
Helpful?
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Which bacterial culture medium is the best choice for my application?
1 answer-
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.
Helpful?
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Will adding magnesium to the culture medium increase cell density?
1 answer-
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 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.
Helpful?
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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).
Helpful?
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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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