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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…

  • 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 …

  • 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,…

  • PCR Qualified Water

    Quality Biological

    PCR Water is useful for PCR Assays (i.e rRT-PCR, etc.). Dnase, Rnase and Protease tested Free of contaminants of human, mouse and rat DNA Applications PCR Qualified Water is functionally tested in a PCR reaction. PCR Qualified Water is highly purified water and it is reverse…

  • 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 …

  • 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…

  • Glutamine XL™, 200mM

    Quality Biological

    Glutamine XL is useful as a cell culture media supplement. Features with stable L-Alanyl-Glutamine Applications Standard, unstabilized solutions of L-glutamine spontaneously break down over time to release cytotoxic amines. Glutamine XL is a stabilized solution that prevents…

  • Dulbecco's Modified Eagle's Medium (DMEM), High Glucose, with 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…

  • L-Glutamine, 200mM Solution

    Quality Biological

    L-glutamine is a cell culture supplement, and is required in cell culture for cellular growth. L-glutamine participates in the formation of purine and pyrimidine nucleotides, amino sugars, gluthione, L-glutamate and other amino acids, as well as in protein synthesis and glucose production.…

  • Supreme DMEM

    Quality Biological

    Supreme DMEM allows reduced FBS supplementation of 1%-2% FBS vs. 5%-10% FBS standard supplementation in classical medium. Features Use in place of DMEM Reduced FBS requirement compared to classical DMEM Applications Supreme DMEM extends the cell culture serum requirements…

  • 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…

  • 10X TBE

    Quality Biological

    TBE (TRIS Borate EDTA) is often used in procedures involving nucleic acids, the most common being electrophoresis in molecular biology. Tris-acid solutions are effective buffers for slightly basic conditions, which keep DNA deprotonated and soluble in water. Used both as a running buffer and…

  • 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,…

  • 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.

  • 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 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…

  • 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…

  • DMEM with Glutamine XL

    Quality Biological

    DMEM (Dulbecco's Modified Eagle Medium) is a widely used basal medium for supporting the growth of many different mammalian cells. Cells successfully cultured in DMEM include primary fibroblasts, neurons, glial cells, HUVECs, and smooth muscle cells. We offer a variety of DMEM modifications for…

  • 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. …

  • MEM-NEAA, 100X

    Quality Biological

    MEM NEAA contains the same non-essential amino acids found in the standard MEM, at a strength of 100. MEM NEAA 100X can be used to enhance cell growth and prolong the viability of cells in culture. MEM NEAA 100X is commonly used as a supplement to minimal basal medium, and does not dilute the…

  • LB Broth (Lennox)

    Quality Biological

    LB Broth, Lennox is a ready-to-use microbial growth medium used for the cultivation of E. coli. Features low (5 g/L) salt formulation Autoclave sterilized Applications LB Broth is a low-salt formulation in comparison to its counterpart LB Broth, Bertani Miller. Lennox is also…

  • 3M Sodium Acetate, pH 4.5

    Quality Biological

    Sodium Acetate, 3M pH 4.5 is a common molecular biology reagent. All production lots are tested to ensure that they are free of Dnase, Rnase & Proteases. It is often used in buffer systems to maintain the pH of a given solution. Filtered through a 0.22 µm membrane Dnase, Rnase,…

  • LB Broth (Luria Bertani, Miller)

    Quality Biological

    LB Agar, Miller and LB Broth, Miller are based on LB Medium as described by Miller for the growth and maintenance of E. coli strains used in molecular microbiology procedures. These are nutritionally rich media designed for growth of pure cultures of recombinant strains. Features 10 g/L…

  • 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…

  • 1X TE, pH 7.5

    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…

  • DMEM:HAMS F-12 1:1 without L-Glutamine

    Quality Biological

    DMEM (Dulbecco's Modified Eagle Medium) is a widely used basal medium for supporting the growth of many different mammalian cells. Cells successfully cultured in DMEM include primary fibroblasts, neurons, glial cells, HUVECs, and smooth muscle cells. We offer a variety of DMEM modifications for…

  • DMEM:HAMS F-12 1:1 with L-Glutamine

    Quality Biological

    DMEM (Dulbecco's Modified Eagle Medium) is a widely used basal medium for supporting the growth of many different mammalian cells. Cells successfully cultured in DMEM include primary fibroblasts, neurons, glial cells, HUVECs, and smooth muscle cells. We offer a variety of DMEM modifications for…

  • DNA Denaturing Solution

    Quality Biological

    DNA Denaturing Solution is useful for denaturing fractionated DNA prior to the transfer from an electrophoresis gel to nitrocellulose or nylon membrane, as well as Northern and Southern blotting. Contains: 0.5M NaOH and 1.5M NaCl Filtered through a 0.22 µm membrane Dnase tested …

  • Fischer's Medium with L-Glutamine

    Quality Biological

    Fischer's medium was originally developed by Glen Fischer at the National Cancer Institute (Bethesda, MD), for serial propagation of cells from leukemic mice. Fischer's medium supports clonal growth of cells -particularly lymphoblasts- from primary explants or cells already in culture. …

  • 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…

  • 10X 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 tested…

  • 3M Sodium Acetate, pH 5.2

    Quality Biological

    Sodium Acetate, 3M pH 5.2 is a common molecular biology reagent. All production lots are tested to ensure that they are free of Dnase, Rnase & Proteases. It is often used in buffer systems to maintain the pH of a given solution. Filtered through a 0.22 µm membrane Dnase, Rnase,…

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