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  • Cell Culture Grade Water

    Quality Biological

    Deionized, Ultra Pure, Endotoxin Free, Sterile QBI's Cell Culture Grade Water is high quality water for use as a solvent in the preparation of cell culture media and laboratory reagents. Available in many sizes to meet your needs, QBI's Cell Culture Grade Water for Cell Culture…

  • DEPC Treated Water

    Quality Biological

    Nuclease and Endotoxin-Free, Sterile DEPC-treated water is certified nuclease-free and supplied in four bottles containing 1 L each to ensure sterility and inactivation of DEPC. It is rigorously tested for contaminating nonspecific endonuclease, exonuclease, and RNase activity, protease. …

  • Gentamicin, 50mg/mL

    Quality Biological

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

  • Molecular Biology Grade Water

    Quality Biological

    Molecular Biology Grade (MBG) Water, Ultra Pure is prepared by reverse osmosis, passed through fine carbon, deionized through two resin beds, and serially filtered through 0.1 µm positively charged membranes, to yield a product with an endotoxin level of less than 0.03 EU/ml. Dnase,…

  • 1X PBS, pH 7.4

    Quality Biological

    PBS (phosphate buffered saline) is a balanced salt solution used for a variety biological and cell culture applications, such as washing cells before dissociation, transporting cells or tissue, diluting cells for counting, and preparing reagents. Features Endotoxin and Performance…

  • RPMI-1640 with L-Glutamine

    Quality Biological

    RPMI was developed to support lymphoblastoid cells in culture, RPMI-1640 has now been successfully used for the culture of a wide range of anchorage independent cells. Although intended for use with serum supplementation, RPMI-1640 has been shown to support the serum-free growth of a number of…

  • Instant Nonfat Dry Milk

    Quality Biological

    Non Fat Dry Milk  Can be used for making blocking solution Quality Biological is an ISO 9001:2015 certified manufacturing facility.

  • Terrific Broth

    Quality Biological

    Terrific Broth was developed by Tartoff and Hobbs to increase yields in plasmid bearing E. coli. Terrific Broth is an enriched medium, which helps the recombinant strains of E. coli maintain an extended growth phase. The large amount of tryptone and yeast extract in the medium allows the bacteria…

  • Penicillin/Streptomycin Mixture

    Quality Biological

    Penicillin-Streptomycin acts in two ways. Penicillin inhibits bacterial cell wall synthesis. While, streptomycin inhibits prokaryote protein synthesis by preventing the transition from initiation complex to chain-elongating ribosome, causing miscoding. Features 100X concentration of…

  • Sodium Pyruvate 100X

    Quality Biological

    Sodium pyruvate is commonly utilized as an additive in culture media and broth as a carbon source, similar to glucose, as pyruvate is the end product of the glycolysis pathway. Since cells make sodium pyruvate as an intermediate metabolite in the glycolysis pathway, it is not a required supplement…

  • Hanks' Balanced Salt Solution (HBSS) without Ca, Mg & Phenol Red

    Quality Biological

    Hanks' Balanced Salt Solution (HBSS) is used for a variety of cell culture applications, such as washing cells before dissociation, transporting cells or tissue, diluting cells for counting, and preparing reagents. Formulations without calcium and magnesium are required for rinsing chelators…

  • 50X TAE Buffer

    Quality Biological

    Tris-acetate provides electrical conductivity and maintains pH. EDTA inhibits metal dependent nucleases by chelating the divalent cations (Ca2+, Mg2+), thus protecting the DNA from nucleases during the run. Filtered through a 0.22 µm membrane Dnase, Rnase, and Protease tested …

  • Dulbecco's Modified Eagle's Medium (DMEM), High Glucose, without L-Glutamine

    Quality Biological

    DMEM is one of the most widely used modifications of Basal Medium Eagle (BME). DMEM was originally developed as a richer version of BME; with 4 times higher concentrations of amino acids, vitamins and some additional components than BME. DMEM is commonly used for the culture of normal and…

  • 2X EMEM without Phenol Red

    Quality Biological

    Eagle's minimal essential medium (EMEM) is a cell culture medium developed by Harry Eagle that can be used to maintain cells in tissue culture. Features Basal medium with different variations. Applications MEM was developed by Dr. Harry…

  • Blocking Solution

    Quality Biological

    Blocking is a very important step of western blotting, as it prevents antibodies from binding to the membrane nonspecifically. Blocking is often made with 5% BSA or nonfat dried milk to reduce the background. Nonfat dried milk is often preferred as it is inexpensive and widely available. However,…

  • ACK Lysing Buffer

    Quality Biological

    Ammonium-Chloride-Potassium (ACK) Lysing Buffer is used for the lysis of red blood cells in samples containing white blood cells, such as EDTA-treated whole blood, buffy coats, and bone marrow. Features Easy to use Fast Remove red blood cells while keeping the white blood cells …

  • LB Agar Plates

    Quality Biological

    LB Agar Plates are used for the growth and maintenance of E. coli strains used in molecular microbiology procedures. Features without any antibiotics Applications The following variations of LB Agar Plates are nutritionally rich media designed for growth of pure cultures of…

  • TSA with 5% Sheep Blood Plate

    Quality Biological

    Trypticase Soy Agar with 5% Sheep Blood is used for cultivating fastidious microorganisms and for the visualization of hemolytic reactions produced by many bacterial species. Applications Grow a wide variety of fastidious organisms on TSA with Sheep Blood, a general purpose non-selective…

  • 5X DNA Gel Loading Solution

    Quality Biological

    DNA Gel Loading Solutio, 5X is prepared according to Sambrook, Fritsch & Maniatis. The purpose of this reagent is to be a tracking dye during electrophoresis. It ensures that DNA samples remain submerged in the wells of the gel, by making them denser than the electrophoresis buffer. …

  • Amphotericin B/Penicillin/Streptomycin Mix

    Quality Biological

    Amphotericin B, Penicilllin, Stretomycin Mix is useful for reducing the chance of microbial contamination. Recommended for use in cell culture applications at 10mL/L. Features Convenient mixture of the antibiotics and antifungal agent in one bottle 100X concentration, just dilute…

  • 10X TAE Buffer

    Quality Biological

    Tris-acetate provides electrical conductivity and maintains pH. EDTA inhibits metal dependent nucleases by chelating the divalent cations (Ca2+, Mg2+), thus protecting the DNA from nucleases during the run. Filtered through a 0.22 µm membrane Dnase, Rnase, and Protease tested …

  • Hanks' Balanced Salt Solution (HBSS) without Phenol Red

    Quality Biological

    Hanks' Balanced Salt Solution (HBSS) is used for a variety of cell culture applications, such as washing cells before dissociation, transporting cells or tissue samples, diluting cells for counting, and preparing reagents. Formulations with calcium and magnesium are generally used as transport…

  • 2X SDS Protein Gel Loading Solution

    Quality Biological

    SDS Protein Gel Loading Solution, 2X is formulated at the traditional 2X stocks, for standard volume of sample to be loaded per well. Simply load the gel sample wells and visualize progress of the electrophoresis run by monitoring the location of the blue dye front. Lane Marker Sample Buffers…

  • MEM Spinner without L- Glutamine

    Quality Biological

    Eagle's minimal essential medium (EMEM) is a cell culture medium developed by Harry Eagle that can be used to maintain cells in tissue culture. Features Basal medium with different variations. Applications MEM was developed by Dr. Harry…

  • 1X TE, pH 8.0

    Quality Biological

    TE is composed of buffering agent Tris, and chelating agent EDTA. EDTA prevents degradation of DNA and RNA by chelating magnesium (or other divalent metal ions). Together, this Tris-EDTA based solution solubilizes DNA or RNA, while protecting it from degradation. Filtered through a 0.22…

  • 10X RNA Gel Loading Solution

    Quality Biological

    RNA Gel Loading Solution, 10X is prepared according to Sambrook, Fritsch & Maniatis (1989). The purpose of this reagent is to insure that the RNA samples remain submerged in the wells of the gel, by making them denser than the electrophoresis buffer. Contains two dyes, bromphenol blue…

  • 1X PBS, pH 7.2

    Quality Biological

    PBS (phosphate buffered saline) is a balanced salt solution used for a variety biological and cell culture applications, such as washing cells before dissociation, transporting cells or tissue, diluting cells for counting, and preparing reagents. Features Endotoxin and Performance…

  • 10% SDS

    Quality Biological

    Sodium Dodecyl Sulfate (SDS) is an anionic detergent with applications in SDS-PAGE protein analysis and nucleic acid purification.  It is a wetting agent that is effective in both acid and alkaline solutions, and is most often used as a protein and lipid solubilization reagent.  SDS is…

  • SOC Medium

    Quality Biological

    SOC medium is a ready-to-use solution, useful in the final step of bacterial cell transformation to obtain maximal transformation efficiency of E. coli. Features Wthout magnesium chloride, needs to be added before use Autoclave sterilized Applications SOC is a microbial…

  • Ampicillin Ready-Made Solution, 100mg/mL

    Quality Biological

    Ampicillin in a convenient ready-to-use solution useful in selecting for ampicillin resistant bacteria. Ampicillin is a b-lactam antibiotic with an amino group side chain attached to the penicillin structure. Convenient 1000X concentrated stock Small 1 ml size to prevent freeze-thaw cycle …

  • Amphotericin B

    Quality Biological

    Amphotericin B is used to prevent the contamination of cell cultures by yeast and multicellular fungi. Amphotericin B contains 250 µg of amphotericin B per mL of deionized water. The recommended working concentration ranges from 0.25 to 2.50 µg/mL. Features 100X…

  • Hanks' Balanced Salt Solution (HBSS) wihout Ca & Mg

    Quality Biological

    Hanks' Balanced Salt Solution (HBSS) provides a buffering system to maintain the physiological pH range and osmotic balance of the culture media. HBSS provides cells with a source of water and essential inorganic ions, and carbohydrate as an energy source. The HBSS without Ca and Mg…

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