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L0418

Sigma-Aldrich

LB Agar Carbenicillin - 100, Plates

LB Agar Carbenicillin - 100, Plates

pre-poured agar plates with 100 μg/ml carbenicillin

Synonym(s):

carbenicillin agar plates

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10 EA
$50.70

$50.70


Estimated to ship onMarch 30, 2025


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10 EA
$50.70

About This Item

UNSPSC Code:
41121800
sterility:
sterile; autoclaved
suitability:
selective for Escherichia coli
selective for coliforms

$50.70


Estimated to ship onMarch 30, 2025


Request a Bulk Order

grade

for molecular biology

Quality Level

sterility

sterile; autoclaved

form

plates (10 cm)
plates (10cm, 20-25ml each)

availability

available only in USA

capacity

20-25 mL

storage temp.

2-8°C

suitability

selective for Escherichia coli
selective 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 in a low-salt formulation. The addition of agar provides a solid medium for microbial growth.

Application

LB Agar Carbenicillin - 100, Plates may be used to culture transformed bacteria with an antibiotic-resistant plasmid using a microwave oven.[1]
Suitable for selective cultivation of E. coli strains that contain plasmids conferring carbenicillin resistance. The bacteria can be used for DNA plasmid production or production of recombinant proteins.

Features and Benefits

Miller′s LB Agar plates provide:
  • Convenient, ready-to-use 10cm format
  • Standard formulation plus antibiotic

Components

15 g/L Agar
10 g/L Tryptone
10 g/L NaCl
5 g/L Yeast Extract
100 μg/ml carbenicillin

Other Notes

The plates must be used within two months of the manufacture date to ensure the antibiotics are fully active. The product may be shipped up until its expiration date but is generally shipped 2-4 weeks before expiration.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Sterile preparation of antibiotic-selective LB agar plates using a microwave oven
Iacoviello Michael P and Rubin SA
Biotechniques, 30(5), 963-965 (2001)

Articles

Genetic engineering enables large-scale expression and isolation of recombinant proteins for research purposes.

Questions

1–2 of 2 Questions  
  1. Why do the LB-agar plates with antibiotics have such a short expiration date?

    1 answer
    1. The antibiotics in the LB-agar plates are not stable.  The antibiotic degrades over time, making it ineffective at selecting transformed bacteria grown on the plate.  Because of this, we recommend the plates are used as soon as possible once they are received.  For labs with low use, the plates may expire quickly, so they may benefit from pouring their own plates using the LB - Miller powder with agar formulation (L3147).

      Helpful?

  2. What is the Department of Transportation shipping information for this product?

    1 answer
    1. 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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