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L2542

Sigma-Aldrich

LB Broth (Miller)

Liquid microbial growth medium

Synonym(s):

Luria Broth Miller, Luria-Bertani broth, Miller

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About This Item

UNSPSC Code:
41106200
NACRES:
NA.85

grade

for molecular biology

sterility

sterile; 0.2 μm filtered

form

liquid

technique(s)

microbiological culture: suitable

pH

6.5-7.2

application(s)

microbiology

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. It enables fast growth, improves growth yields for various bacterial species, and can retain the hydrophilic behavior of samples for longer periods.

Application

LBBroth (Miller) is suitable for:

  • non-selective cultivation of E. coli strains for cloning, DNA plasmid production and production of recombinant proteins.
  • selective cultivation when appropriate antibiotics are added.
  • the cultivation of E-coli cells for anti-bacterial assays.

Features and Benefits

Miller′s LB liquid provides:
  • Filter-sterilized, ready-to-use format
  • Convenient package size
  • Standard formulation

Components

10g/L Tryptone
10 g/L NaCl
5 g/L Yeast Extract

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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