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)

    Anisomycin, also known as flagecidin, is an antibiotic produced by Streptomyces griseolus which inhibits protein synthesis.

  • The Bio Basic Doxycycline, Hydrochloride with a composition of

  • The Bio Basic Carbenicillin Disodium Salt with a composition of 95-100% (2S-(2.alpha., 5.alpha., 6.beta.)) -6-(carboxylatophenylacetami do)-3, 3-dimethyl-7-oxo-4-thia1-azabicyclo(3.2.0)heptane-2- carboxylate, is suitable for use in laboratory use only. It can be stored at a temperature of 2 to 8…

  • 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…

  • G-Biosciences

    TESTED AGAINST BOTH SENSITIVE and RESISTANT CELLS. Ticarcillin Disodium/ Potassium Clavulanate MOLECULAR BIOLOGY GRADE Mixed in ratio of 15:1 Mode of action and Anti-microbial spectrum: Ticarcillin is an inhibitor of bacterial cell wall synthesis. It inhibits the crosslinking of…

  • RPI (Research Products International)

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

  • 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.

  • 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…

  • 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…

  • 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

  • Cytochalasin D is a cell permeable fungal toxin that binds to the barbed end of actin filaments inhibiting both the association and dissociation of subunits. This compound causes the disruption of actin filaments and inhibition of actin polymerization. Synonyms: Zygosporin A,…

  • 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…

  • 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.

  • Chloroquine Diphosphate salt is a member of the quinolone family and a lysosomotropic agent (accumulate inside the acidic parts of the cell). This accumulation leads to inhibition of lysosomal enzymes that require an acidic pH, and prevents fusion of endosomes and lysosomes. Chloroquine…

  • Bio Basic Inc.

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

  • RPI (Research Products International)

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

  • 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…

  • MilliporeSigma

  • The Bio Basic Inc. 50 mg/mL sterile tetracycline hydrochloride solution is suitable for laboratory and research use.

  • Bio Basic Inc.

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

  • 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.

  • 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…

  • MP Biomedicals

    Cefoperazone sodium salt is a broad spectrum third generation cephalosporin antibiotic that has similar antimicrobial activity to ceftazidime. It is active against Pseudomonoas aeruginosa and it has enhanced activity against Enterobacteriaceae and Bacteroides sp. in the presence of 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,…

  • For Mycoplasma/Bacterial Elimination from animal cell cultures. 1000X, 10mg/mL, effective concentration 10ug/ml in most culture media. Mycoplasma contamination is a major problem in cell culture in biomedical and cell/molecular biology research. There is no easy visual confirmation of…

  • RPI (Research Products International)

    The RPI spectinomycin sulfate 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

  • Technical Advantage:  Effect against Gram-positive and -negative bacteria Ampicillin is a Penicillin derivative that inhibits bacterial cell-wall synthesis by inactivating transpeptidases on the inner surface of the bacterial cell membrane.  A ß-lactam antibiotic with an amino…

  • MP Biomedicals

    Fluconazole is a subclass of the synthetic triazole antifungal agents. A highly selective inhibitor of fungal cytochrome P-450 sterol C-14 a-demethylation. Fluconazole is a potent inhibitor of CYP2C9. Fluconazole interferes with fungal ergosterol synthesis and downregulates the metallothionein gene.

  • TESTED AGAINST BOTH SENSITIVE and RESISTANT CELLS. MOLECULAR BIOLOGY GRADE Mode of action and Anti-microbial spectrum: Bacteriostatic agent against both gram negative and gram positive bacteria. Enters sensitive cells by active transport. Within the cell it binds to the 50S…

  • RPI (Research Products International)

    Active against gram negative bacteria.

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