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)

    The RPI rapamycin is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Research or Further Manufacturing use 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…

  • 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 …

  • G-Biosciences

    TESTED AGAINST BOTH SENSITIVE and RESISTANT CELLS. MOLECULAR BIOLOGY GRADE Potency of greater than 1000 mcg/mg Mode of action and Anti-microbial spectrum: Vancomycin is a glycopeptide antibiotic that exerts its action by preventing the transfer and addition of the muramylpentapeptides that…

  • bioWORLD

    Synonyms: Immunomycin, FK520, FR-900520 Ascomycin is a macrolide immunosuppressant antibiotic. It is an ethyl analog of FK506. Ascomycin binds to the FK-506-binding protein FKBP12 and blocks the peptidyl-prolyl cis-trans isomerase activity of the protein. This bound complex inhibits…

  • 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. …

  • quick-ship

    RPI (Research Products International)

    The RPI nitrofurantoin is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Research or Further Manufacturing use only

  • MilliporeSigma

  • RPI (Research Products International)

    Tetracycline antibiotic active against gram positive and gram negative bacteria. Interferes with bacterial cell wall synthesis.

  • 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.

  • MP Biomedicals

    Spectinomycin sulfate is an antibiotic which binds to the 30S subunit to cause misreading. Spectinomycin sulfate is a broad spectrum antibiotic that inhibits protein synthesis (elongation) by binding to the bacterial 30S ribosomal subunit and interfering with peptidyl tRNA translocation.

  • RPI (Research Products International)

    The RPI staurosporine is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. The staurosporine is mainly used as a natural antibiotic agent. Application: For Research or…

  • RPI (Research Products International)

    Active against gram negative bacteria.

  • 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)

    Bacteriostatic antibiotic with activity against gram positive and gram negative bacteria. Plant cell culture tested.

  • Bio Basic Inc.

    The Bio Basic Inc. mithramycin (plicamycin) is suitable for laboratory and research use.

  • G-Biosciences

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

  • 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…

  • RPI (Research Products International)

    Aminoglycoside antibiotic inhibits growth of prokaryotic (bacteria), eukaryotic microorganism (yeasts) and mammalian cells. Particularly useful as a selective agent for the incorporation of the APH 4 gene in plant tissue. Inhibits peptide chain elongation by preventing elongation-factor EF-2…

  • IBI Scientific

    Chloramphenicol is used in the amplification of plasmids and colony hybridizations. Antibiotics dissolved in ethanol need not be sterilized. Store at +4°C. Warm to room temperature before opening. Keep tightly sealed. Store Chloramphenicol solution in a light-tight container at…

  • MP Biomedicals

    Applications Methyl(5-(2-thienylcarbonyl)-1H-benzimidazole-2-yl)carbamate is an anticancer drug that has been shown to interfere with the structure and function of microtubules in interphase and mitotic cells. Malignant cells may be more susceptible to the antimicrotubular effect of nocodazole…

  • MP Biomedicals

    Streptomycin Sulfate is an aminoglucoside antibiotic in which streptidine is linked glycosidically to the disaccharide streptobiosamine. Inhibit bacterial protein synthesis Gram positive bacteria Gram negative bacteria Mode of Action: Inhibits prokaryote protein synthesis. Binds to…

  • RPI (Research Products International)

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

  • MP Biomedicals

    Indomethacin, an anti-inflammatory agent, inhibits Cox-1 and Cox-2 (cyclooxygenases) with selectivity for Cox-1 (IC50 of 230 nM) over Cox-2 (IC50 of 630 nM). Additionally, Indomethacin displays adipogenic actions via binding and activation of PPARγ (peroxisome proliferator-activated receptor…

  • Formulated as 5X rather than the traditional 2X stocks, SDS Protein Gel Loading Solution 5X enables a larger volume of sample to be loaded per well. 5X concentrated protein gel loading buffer Applications Simply load the gel sample wells and visualize progress of the electrophoresis run by…

  • 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…

  • RPI (Research Products International)

    This ansamycin antibiotic exhibits high affinity binding to Heat Shock Protein 90 (Hsp90) and alters its function binding to the ATP binding pocket.

  • MP Biomedicals

    Tetracyline inhibits gram-positive, gram-negative and mycoplasma. It is used in tetracycline controlled gene expression systems (gene switches) such as the tet-on and tet-off systems. It is also used to select tetracyline resistant colonies in cell culture.

  • Quality Biological

    Gentamicin is an aminoglycoside complex produced by fermentation of Micromonospora purpurea or M. echinospora. It is used as the sulfate salt. Ready-to-use solution Applications Gentamicin acts by binding to the 30S subunit of the bacterial ribosome leading to inhibition protein synthesis and…

  • 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…

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