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Antibiotics and Antibiotic Solutions for Molecular Biology - Alfa Aesar

Antibiotics are molecules which kill or prevent the growth of microorganisms. Antibiotics work by a number of different modes of action. They typically work by disrupting cell wall synthesis, preventing nucleic acid metabolism or disturbing a microorganism,s ability to synthesize proteins. Antibiotics can act on either gram-negative or gram-positive bacteria, and some are active against both. Antibiotics may also act on some yeasts, molds and mycoplasma. Major classes of antibiotics include: penicillins, tetracyclines, macrolides, cephalosporins, fluoroquinolones and aminoglycosides. These compounds are commonly used in molecular biology to select cell lines. They are also common supplements to cell culture media and buffers. Alfa Aesar provides a comprehensive line of antibiotics as well as ready to use sterile filtered antibiotic solutions.

  • 5-Bromo-5-nitro-1,3-dioxane, 98%
  • 5-Nitro-2-furaldehyde semicarbazone, 98+%
  • 7-Aminocephalosporanic acid, 98% (dry wt.), may cont. up to 2% water
  • 7-Aminodesacetoxycephalosporanic acid, 98%
  • Abamectin
  • Aclarubicin hydrochloride, 90%
  • Actinomycin D
  • Actinomycin D, 1 mg/ml in DMSO, sterile-filtered
  • Amikacin
  • Amikacin disulfate
  • Amikacin disulfate, 50 mg/ml in distilled water, sterile-filtered
  • Amoxicillin clavulanate, 100 mg/ml in distilled water, sterile-filtered
  • Amoxicillin sodium salt, 100 mg/ml in distilled water, sterile-filtered
  • Amoxicillin sodium salt, 87% min.
  • Amoxicillin trihydrate
  • Amphotericin B, 250 µg/ml in distilled water, sterile-filtered
  • Amphotericin B, Streptomyces nodosus
  • Ampicillin
  • Ampicillin, Ready-to-Use aqueous soln., 100mg/mL, 0.2 micron filtered
  • Ampicillin sodium salt
  • Ampicillin sodium salt, Ultrapure, Affymetrix/USB
  • Ampicillin trihydrate
    Ampicillin is a -lactam antibiotic with an amino group side chain attached to the penicillin structure. It inhibits bacterial cell-wall synthesis by inactivating transpeptidases on the inner surface of the bacterial cell membrane. Effective on Gram-negative and Gram-positive bacteria.
  • Anhydrotetracycline hydrochloride
  • Anisomycin, 10 mg/ml in DMSO, sterile-filtered
  • Antibiotic A23187, 98%
  • Apramycin sulfate
  • Apramycin sulfate, 50 mg/ml in distilled water, sterile-filtered
  • Apramycin sulfate, 96%
  • Artemisinin, 98%
  • Ascomycin, 95%
  • Azithromycin dihydrate
  • Azlocillin sodium, 90%
    Azlocillin is a semisynthetic penicillin and a beta-lactam antibiotic. It acts by inhibiting penicillin-binding protein (PBP) activity, which is involved in the final phase of bacterial cell wall synthesis.
  • Aztreonam
  • Bacitracin
  • Bacitracin, 10 mg/ml in distilled water, sterile-filtered
  • Bafilomycin A1
  • Bafilomycin A1, 0.1 mg/ml in DMSO, sterile-filtered
  • Bafilomycin B1, 0.1 mg/ml in methanol, sterile-filtered
  • Bialaphos sodium, 85%
  • Blasticidin S hydrochloride, 10 mg/ml in HEPES buffer, sterile-filtered
  • Bleomycin sulfate
  • Bleomycin sulfate, Cell Culture Grade
  • Bleomycin sulfate, mixture of salts
  • Capreomycin sulfate, 90%
  • Carbadox, 98+%
  • Carbenicillin disodium salt
  • Carbenicillin disodium salt, 50 mg/ml in distilled water, sterile-filtered
  • Cefaclor
  • Cefamandole nafate
  • Cefazolin sodium salt

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