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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  • 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…

  • G-Biosciences

    Nourseothricin Sulfate Streptothricin Sulfate, NTC, clonNAT MOLECULAR BIOLOGY GRADE Norseothricin contains both Streptothricin D (C31H58N12O10) and Streptothricin F (C19H34N8O8) components. …

  • RPI (Research Products International)

    Plant cell culture tested. Inhibitor of bacterial cell wall synthesis. Highly active against gram negative bacteria. Sensitive to β-Lactamase.

  • 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…

  • Ampicillin inhibits cell wall biosynthesis (peptidoglycan cross-linking). Stock Solution of antibiotics dissolved in water should be sterilized by filtration through a 0.22 micron filter.

  • G-Biosciences

    HP Ampicillin™ is a stronger and more stable inhibitor of ß-lactamase than regular ampicillin and , therefore, supports only the growth of ampicillin resistant colonies even after prolonged incubation. Culture plates can be incubated for a longer period at 37°C, eliminating the…

  • 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,…

  • RPI (Research Products International)

    Antineoplastic antibiotic produced by growth of Streptomyces chrysomallys and other species of Streptomyces .

  • MOLECULAR BIOLOGY GRADE   Gentamicin efficiently inhibits growth of many Gram-positive and Gram-negative microorganisms. It does so by inhibiting protein synthesis by binding to the L6 protein of the 30S ribosomal subunit. It is also effective against mycoplasma. Recommended for use…

  • The Bio Basic Inc. ampicillin sodium salt USP is suitable for research and laboratory use. Application: For Laboratory Research Only

  • G-Biosciences

    Kanamycin is an aminoglycoside antibiotic and has a bactericidal action against many gram-negative bacteria. Kanamycin is used as a selective agent for the incorporation of the NPT II (APH3) gene in plant tissues. Store dessicated at 4°C Soluble in water PubChem Chemical ID: 32943 …

  • RPI (Research Products International)

    Interferes with bacterial cell wall synthesis. Active against gram positive bacteria. Toxic to plant cells.

  • MP Biomedicals

    Product Description Antibiotic. Cytotoxic to prokaryotic and eukaryotic cells by inhibiting the protein synthesis. Apoptosis inducer. Widely employed in the selection of eukaryotic expression vectors, in combination with either aminoglycoside phosphotransferase 3' or APH II. Antiviral. …

  • MilliporeSigma

  • 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.

  • Simplify specimen collection and preservation for molecular research with Puritan's PurSafe DNA/RNA Specimen Collection and Transport System Kit includes 1ml DNA/RNA Preservative in a Light Blue Polypropylene Screw-Cap Vial w/Large HydraFlock Swab (25-3406-H) Nucleic acid stability at…

  • G-Biosciences

    TESTED AGAINST BOTH SENSITIVE and RESISTANT CELLS. MOLECULAR BIOLOGY GRADE Mode of action and Anti-microbial spectrum: Ampicillin is an inhibitor of bacterial cell wall synthesis which acts by inhibiting the cross-linking of peptidoglycan. It is used in the selection of antibiotic cell…

  • Technical Advantage:  Effective against Gram-positive and -negative bacteria Neomycin, a nucleoside antibiotic and aminoglycoside, is a protein synthesis inhibitor that causes premature chain termination by acting as an analog of the 3'-terminal end of aminoacyl-tRNA.  It…

  • Bio Basic Inc.

    The Bio Basic Neomycin Sulfate with a composition of Application: For Laboratory Research Use Only

  • MP Biomedicals

    Amikacin is an aminoglycoside antibiotic used to treat different types of bacterial infections. Amikacin works by binding to the bacterial 30S ribosomal subunit, causing misreading of mRNA and leaving the bacterium unable to synthesize proteins vital to its growth. Amikacin must be given by the…

  • Zymo Research Corporation

    Ampicillin inhibits bacterial cell wall synthesis. Commonly used to select for ampicillin resistant plasmid bearing strains of bacteria. Effective against both gram (-) and gram (+) bacteria.

  • The Bio Basic Doxycycline, Hydrochloride with a composition of

  • Zymo Research Corporation

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

  • RPI (Research Products International)

    Mixture of sulfates of polypeptides from certain strains of Bacillus polymixa. Active against gram negative bacteria.

  • G-Biosciences

    TESTED AGAINST BOTH SENSITIVE and RESISTANT CELLS. Rifampicin MOLECULAR BIOLOGY GRADE Mode of action and Anti-microbial spectrum: Rifampicin is active against gram-positive bacteria but less active against gram-negative bacteria. It interferes with the synthesis of nucleic acids by…

  • The Bio Basic Spectinomycin Dihydrochloride with a composition of Application: For Laboratory Research Use Only

  • Bleomycin Sulfate is an atineoplastic antibiotic. A mixture of cytotonic glycopeptide antibiotics which reacts with DNA and causes strand scission; they have also been shown to have a type of oxygen transferase activity. Bleomycin A2 is the main component of the bleomycin employed clinically.…

  • G-Biosciences

    G-Biosciences immobilized antibiotics are prepared by coupling antibiotic to preactivated 6% cross-linked agarose. The covalent coupling to agarose (resin) is achieved by cross-linking amino or carboxyl group depending upon the antibiotic that is coupled to the resin. Click here to request bulk…

  • RPI (Research Products International)

    Inhibits dihydrofolate reductase. Active against most gram negative and gram positive aerobic bacteria.

  • TESTED AGAINST BOTH SENSITIVE and RESISTANT CELLS. Streptomycin Sulfate MOLECULAR BIOLOGY GRADE Mode of action and Anti-microbial spectrum Streptomycin Sulfate is an aminoglycoside antibiotic and has a bactericidal action against many gram-negative bacteria. It binds to the #12 protein on…

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