Antibiotics, Antimycotics & Preservatives

Thomas Scientific offers an extensive range of antibiotics, antimycotics, and preservatives ideal for various applications within the laboratory. Cell culture antibiotics are primarily used for microbiology and cell culture work and can prevent contamination of bacterial cultures by other unwanted bacteria.
Antibiotics available include penicillin, streptomycin, and tetracycline. Antimycotics can prevent the growth of fungi and are perfect for laboratory applications to prevent or kill fungi. The selection available includes amphotericin B, nystatin, and fluconazole.
Preservatives are essential in the laboratory to prevent the growth of microorganisms in laboratory reagents, solutions, and samples. They’re ideal for extending the shelf life of your diagnostic kits, buffers, staining solutions, and more, providing precise, accurate lab results.

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Antibiotics, Antimycotics & Preservatives

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  • Technical Advantage:  Effective against Gram-positive and Gram-negative bacteria This product is a mix of the antibiotics Penicillin (10,000 IU) and Streptomycin (10,000 µg/ml) in a 100-fold working concentration. Penicillin (Penicillin G) works by inhibiting peptidoglycan…

  • RPI (Research Products International)

    Antifungal anitbiotic that inhibits protein sysnthesis in eukaryotes. Blocks translation of mRNA on the ribosome derived from Streptomyces griseus .

  • RPI (Research Products International)

    Prevents bacterial cell wall synthesis. Inhibits crosslinking of peptidoglycan by binding and inactivating transpeptidases. Highly active against gram negative bacteria. Commonly used for the elimination of Agrobacterium species after inoculation. Sensitive to B-Lactamase. Non-toxic to plant…

  • Tetracycline is a broad spectrum polyketide antibiotic with clinical uses in treating bacterial infections such as Rocky Mountain spotted fever, typush fever, tick fevers, Q fever, and Brill-Zinsser disease and to treat upper respiratory infections and acne. It has been used in studies of multidrug…

  • Bio Basic Inc.

    Amphotericin B (5mg/ml)

  • Zymo Research Corporation

    Tetracycline inhibits bacterial protein synthesis by binding the 30S ribosomal subunit. Effective against both gram (-) and gram (+) bacteria.

  • LB Broth & LB Agar The bacterial growth media available are LB (Luria and Bertani); both as liquid and solid media for making solid growth matrices and bacterial plates, such as Petri Dishes. The LB media supplies all the nutrients required for bacterial growth. LB Broth is for liquid…

  • RPI (Research Products International)

    Antibiotic related to cephalosporin with antibacterial activity spectrum comparable to cefotaxime. Used to investigate bacterial determinants that influence β-lactam activity.

  • G-Biosciences

    Mode of Action: G-418 inhibits protein elongation by blocking polypeptide synthesis. Eukaryotic cells that are stably transfected with neomycin resistance genes can be selected and maintained using this product. Similar in structure to Gentamicin, Neomycin, and Kanamycin. Store dessicated at…

  • Synonyms: 3-[2-(3,5-Dimethyl-2-oxocyclohexyl)-2-hydroxyethyl]glutarimide; Actidione; Naramycin A CAS Number: 66-81-9 Formula: C15H23NO4 Formula Weight: 281.35 Linear Formula: C15H23NO4 MDL No.: MFCD00082346 Purity: >=94% (TLC) Storage: 2-8C Beilstein Registry Number: 88868 …

  • MP Biomedicals

    Puromycin is an antibiotic of unique structure and biological activity. It is produced by fermentation using Streptomyces albo-niger. There are four aspects of puromycin's biological activity that are 1) antitumor effect; 2) nephrotoxic action; 3) inhibition of purine and/or protein synthesis…

  • The Bio Basic Inc. 50 mg/mL gentamycin sulfate solution is suitable for laboratory and research use. Application: For Laboratory Research Only

  • MP Biomedicals

    Ampicillin is a semi-synthetic derivative of penicillin, active as a broad-spectrum antibiotic. It is inactivated by beta-lactamases and for this reason a beta-lactamase inhibitor should be considered when using ampicillin. Against gram-positive bacteria, ampicillin has a similar mode of action as…

  • RPI (Research Products International)

    Active against gram negative bacteria.

  • The Bio Basic Inc. cephalexin monohydrate USP is suitable for research and laboratory use. It is mainly used as a strong antibiotic to treat bacterial infections.

  • BeanTown Chemical

    CAS: 13292-46-1 EC No: 236-312-0 MDL No: MFCD00151389 RTECS: VJ7000000 Powder Molecular Formula: C43H58N4O12 MW: 822.94 Melting Point: 194°

  • MP Biomedicals

    An antiseptic and disinfectant agent. It is effective against a wide range of bacteria, some fungi and some viruses, and an agent for the prevention of gingivitis. Commercial ophthalmic products have used this agent to replace thimerosal as a preservative; however, it can cause skin irritation. …

  • RPI (Research Products International)

    A peptidyl nucleaside antibiotic isolated from the culture broth of Streptomyces griseogenes, inhibits protein synthesis in both prokaryotes and eukaryates. Supplied as a 10mg/mL sterile solution in HEPES buffer.

  • The Bio Basic Inc. 40 mg/mL sterilized G 418 sulfate solution is suitable for laboratory and research use.

  • MP Biomedicals

    Polymyxin B Sulfate is a mixture of Polymyxin B1 and Polymyxin B2 Sulfate, obtained from Bacillus polymyxia strains. Inhibits gram-negative organisms in vitro Binds to and interferes with permeability of bacterial cytoplasmic membrane Inhibits Ca2+ dependent protein kinase C (PKC) …

  • RPI (Research Products International)

    Active against gram negative bacteria. Potency approximately 20,000 units per milligram.

  • RPI (Research Products International)

    Aminoglycoside antibiotic with a bactericidal action against most gram negative bacteria. Plant cell culture tested.

  • Technical Advantage:  Effective against Gram-positive and -negative bacteria Tetracycline Hydrochloride (HCl) is an antibiotic that inhibits protein synthesis by binding to the 30S ribosomal subunit, blocking interactions at the acceptor site on the RBA-ribosome complex.  It is a…

  • The Bio Basic Ciprofloxacin Hydrochloride with a composition of Application: For Laboratory Research Use Only

  • MP Biomedicals

    Applications Mycoplasma Removal Agent (MRA) eliminates mycoplasma contamination from cell cultures. The cytotoxicity of MRA is low and cell toxicity is rare when used at the recommended concentration. For specific function of any cell, however, it is recommended that the retention of desired…

  • Bio Basic Inc.

    Nystatin: Nystatin is a fungistatic and fungicidal polyene antibiotic, which increases the permeability of the cell membrane of sensitive fungi by binding to sterols, chiefly ergosterol. Its main action is against Candida species. It is also effective against Aspergillus, Coccidioides immitis,…

  • Amphotericin B, Penicilllin, Stretomycin Mix is useful for reducing the chance of microbial contamination. Convenient mixture of the antibiotics and antifungal agent in one bottle. 100X concentration, just dilute 1:100 in the culture medium Recommended for use in cell culture applications at…

  • MP Biomedicals

    Product Description Potent, selective and orally available NLRP3 inflammasome inhibitor. Blocks the release of IL-1beta in macrophages primed with LPS and activated with ATP or nigericin, but it does not inhibit NLRP1, NLRC4, AIM2, TLR2 signaling or priming of NLRP3. Prevents…

  • Bio Basic Inc.

    Cyclosporin A: Cyclosporin A (CsA) is a non-polar cyclic oligopeptide metabolite from the fungus Tolypocladium inflatum. It has to narrow a spectrum of antifungal activity to be very useful as an antibiotic, but it possesses potent immunosuppressive properties, affecting primarily Tlymphocytes. It…

  • Bio Basic Inc.

    Amphotericin B: Amphotericin B is a polyene antifungal antibiotic from Streptomyces sp. It has a high affinity for sterols, primarily ergosterols, of fungal and bacterial cell membranes. After binding to sterols, it forms channels in the membranes, causing small molecules to leak out. Amphotericin…

  • RPI (Research Products International)

    Inhibitor of bacterial cell wall synthesis. Inhibits the crosslinking of peptidoglycan by binding and inactivating transpeptidases. High activity against gram negative bacteria. Often used for elimination of Agrobacterium species after inoculation. Resistant to B-Lactamase activity. Non toxic…

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