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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…

  • 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 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…

  • 1M Magnesium Chloride

    Quality Biological

    Magnesium is a typical ionic halide, and is very soluble in water. Magnesium has a variety of biological roles in enzymology, cell membrane/wall structure, muscle cell physiology, and nucleic acid structure. Magnesium is an essential co-factor in many enzymes, including DNAse, some restriction…

  • 2M TRIS-HCl, pH 6.8

    Quality Biological

    Tris solutions are formulated into working concentrations for preparing the stacking and resolving portions of native or SDS-PAGE gels using discontinuous buffer systems according to Laemmli (1970) or Ornstein and Davis (1959). Tris HCl Buffer is compatible with many enzymes in molecular biology…

  • 2M TRIS-HCl, pH 8.8

    Quality Biological

    Tris solutions are formulated into working concentrations for preparing the stacking and resolving portions of native or SDS-PAGE gels using discontinuous buffer systems according to Laemmli (1970) or Ornstein and Davis (1959). Tris HCl Buffer is compatible with many enzymes in molecular biology…

  • 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…

  • 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…

  • 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…

  • DPBS without Ca & Mg, 1X

    Quality Biological

    DPBS is a balanced salt solution (BSS) used for the handling and culturing of mammalian cells. Calcium and magnesium facilitate cell binding and clumping. DPBS without these ions can be used to wash and rinse suspended cells. Features without Phenol red Applications DPBS can be…

  • DMEM without Phenol Red & 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…

  • 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…

  • RPMI-1640 without Phenol Red & L-Glutamine

    Quality Biological

    RPMI 1640 is suitable for a wide range of anchorage independent cells. RPMI 1640 Medium is commonly supplemented with 10% Fetal Bovine Serum (FBS). Although, RPMI-1640 has been shown to support the serum-free growth of a number of cells. Features with 2.0 g/L sodium bicarbonate …

  • Cell Freezing Medium B

    Quality Biological

    It is important to store cells for future studies. Cryopreservation ensures that you have back-up cells in case of contamination and loss of cell supply. It is best to cryopreserve cells when they are at their maximum growth rate or almost confluent. Cell Freezing Medium A protects cells from…

  • 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 …

  • YPD/YEPD Plates

    Quality Biological

    YPD/YPED Plates are used for the growth of Saccharomyces cerevisiae (yeast) Contents Contains Peptone, Yeast Extract, Glucose, and Agar Quality Biological is an ISO 9001:2015 certified manufacturing facility.

  • 1M Hepes Buffer, pH 7.3

    Quality Biological

    HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid ) is a zwitterionic organic chemical buffering agent at most biological pH’s and is categorized as an all- purpose buffer available for biological research. Features pH 7.2 - 7.6 Applications HEPES 1M is used as a…

  • RPMI-1640 without L-Glutamine

    Quality Biological

    RPMI 1640 is suitable for a wide range of anchorage independent cells. RPMI 1640 Medium is commonly supplemented with 10% Fetal Bovine Serum (FBS). Although, RPMI-1640 has been shown to support the serum-free growth of a number of cells. Features with 2.0 g/L sodium bicarbonate …

  • 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…

  • 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,…

  • 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. …

  • Super Broth

    Quality Biological

    Super Broth is used for the mass cultivation of Escherichia coli for high yield protein and plasmid DNA production. Features has 220% more peptone and 300% more yeast extract than LB Autoclave sterilized Applications Super Broth is the best commonly used E. Coli growth medium…

  • DPBS with Ca & Mg, 1X

    Quality Biological

    DPBS is a balanced salt solution (BSS) used for the handling and culturing of mammalian cells. Calcium and magnesium facilitate cell binding and clumping. DPBS without these ions can be used to wash and rinse suspended cells. Features without Phenol red Applications DPBS can be…

  • USDA Origin Fetal Bovine Serum

    Quality Biological

    USDA FBS is used as a supplement in classical cell culture media such as DMEM, EMEM, RPMI-1640 and IMDM. USDA FBS origin’s lie outside of the US, but quality approved by the United States Department of Agriculture. USDA FBS both nourishes and protects the cells in a way that almost…

  • 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,…

  • 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,…

  • M9 CA Medium

    Quality Biological

    M9 CA Media contains the essentials for bacterial species to grow. Important components of M9 CA medium are the carbon source from glucose, a nitrogen source from ammonia chloride, and electrolytes from sodium, chloride, potassium, calcium, phosphorus and magnesium salts in the M9 solution. …

  • 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…

  • 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…

  • Iscove's Modified Dulbecco's Medium (IMDM)

    Quality Biological

    This modification of Dulbecco's MEM was developed by Dr. Iscove and his coworkers to assist in their studies of hematopoietic stem cells. They modified Dulbecco's MEM by the addition of HEPES buffer, selenium, additional amino acids, vitamins and sodium pyruvate, and potassium nitrate…

  • 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.…

  • 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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