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  • Blocking Solution

    Quality Biological

    Blocking is a very important step of western blotting, as it prevents antibodies from binding to the membrane nonspecifically. Reduce nonspecific binding Applications Quality Biological’s Blocking Solution is prepared from non-fat dried milk in PBS containing sodium azide 0.02% (w/v) as a…

  • Endotoxin-Free Water

    Quality Biological

    Minimize contamination with Endotoxin-Free Water. Eliminate the risk of toxic activity produced by bacteria that can interfere with cell structure and function. Mycoplasma tested DNase, RNase and protease tested Endotoxin < 0.005 EU/mL Applications Ideal for preparing solutions…

  • 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…

  • LB Agar Plates

    Quality Biological

    LB Agar Plates are used for the growth and maintenance of E. coli strains used in molecular microbiology procedures. Applications The following variations of LB Agar Plates are nutritionally rich media designed for growth of pure cultures of recombinant strains. LB Agar plates are suitable…

  • 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. Basal medium with different variations Without Phenol Red With Glucose and L-glutamine Applications EMEM (Eagle’s Minimum Essential Medium) has…

  • 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. With: High Glucose Without: HEPES Cells successfully cultured in DMEM include primary fibroblasts, neurons, glial cells, HUVECs, and smooth muscle cells. We…

  • M9 CA Medium

    Quality Biological

    M9 CA Media contains the essentials for bacterial species to grow. Glucose as a carbon source and casamino acids as a nitrogen source. Important components of M9 CA medium are the carbon source from glucose, a nitrogen source from ammonia chloride, and electrolytes from sodium, chloride,…

  • EMEM 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. Basal medium with different variations. Applications MEM was developed by Dr. Harry Eagle to overcome problems encountered when attempting to grow…

  • 2M TRIS-HCl, pH 6.8

    Quality Biological

    Tris HCl 2M pH 6.8 is useful with SDS-PAGE and Electrophoresis. 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…

  • 3M Sodium Acetate, pH 4.5

    Quality Biological

    Sodium acetate is a widely used reagent in molecular biology applications. It is used as a buffer in conjunction with acetic acid, in the buffering range of pH 3.6 – 5.6. Applications Sodium acetate is used in the purification and precipitation of nucleic acids, protein crystallization,…

  • 1M TRIS-HCl, pH 9.8

    Quality Biological

    Suitable for molecular biology, protein chemistry, and biochemical applications. DNase, RNase and Protease tested. Filtered through a 0.22 µm membrane DNase, RNase, and Protease tested Applications Tris Buffer, 1 M pH 9.8 is commonly used in SDS-PAGE and Electrophoresis applications.

  • Low-EDTA 1X TE, pH 8.0

    Quality Biological

    Low-EDTA 1X, pH 8.0 is molecular biology grade TE buffer used to store DNA and RNA. EDTA chelates Mg2 and other divalent metals ions – (inhibits DNAse and RNAse to suppress DNA and RNA degradation). Tris is a buffering agent to keep the solution at a defined pH – The ‘Cl’ or ‘HCl’ indicates the…

  • 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…

  • 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…

  • Customized SDS Protein Gel Loading Solution

    Quality Biological

    This is a special formulation of loading solution for protein gel electrophoresis. Special formulation Applications SDS-PAGE Western Blotting Analysis of DNA samples with high amounts of DNA binding proteins Kinetic experiments DNA agarose gel analysis after DNA restriction digestions,…

  • Glutamine XL™, 200mM

    Quality Biological

    Applications Standard, unstabilized solutions of L-glutamine spontaneously break down over time to release cytotoxic amines. Glutamine XL is a stabilized solution that prevents degradation and cytotoxicity, with the benefit of a long shelf life. The incorporated L-alanine protects the unstable…

  • 1M TRIS-HCl, pH 8.0

    Quality Biological

    A hybridization buffer specifically formulated for use with nylon membranes. It does not contain Denhardt’s Reagent, which may interfere with the hybridization reaction of DNA immobilized on nylon. Formulated for Nylon membrane Filtered through a 0.22 µm membrane DNase, RNase, and Protease…

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

  • Sodium Chloride 0.85%

    Quality Biological

    Sodium Chloride, 0.85% is a saline solution at 0.85% prepared with water used for cell culture. Made with cell culture grade water The sodium chloride is a source of chlorine and sodium necessary to the production of components like sodium carbonate, sodium hydroxide or chlorate ions. …

  • QBSF®-56 Serum Free Medium

    Quality Biological

    QBSF-56 is a proprietary serum-free formulation engineered to support lymphocytes blastogenesis. QBSF -56 can be used as an intermediate medium in the process of weaning fastidious cells from growth in a serum-supplemented medium to a low protein serum-free medium. QBSF-56 has also been used…

  • Bisulfateless Brucella Plates (BLBB) with GSS Supplement

    Quality Biological

    Bisulfateless Brucella Plate (BLBB) is applicable for use in the primary isolation, quantitation, and partial identification of obligately anaerobic microorganisms from clinical specimens. Special formulation without bisulfate Applications BLBB with GSS Supplements is a non-selective…

  • NZY Agar Plates

    Quality Biological

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

  • 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 µm…

  • TNE Buffer

    Quality Biological

    TNE Buffer is often used as a base material to generate lysis buffers. Filtered through a 0.22 µm membrane DNase, RNase, and Protease tested Applications More specifically, TNE Buffer is useful for: isolation of proteins from yeast cells as a lysis buffer, resuspension of pelleted virus…

  • Fischer's Medium with L-Glutamine

    Quality Biological

    Fischer’s medium supports clonal growth of cells – particularly lymphoblasts – from primary explants or cells already in culture. With L-glutamine and Phenol Red Applications Fischer’s medium also supports mammalian cell culture and murine hematopoietic cells. Recommendation …

  • RPMI-1640 with 25mM Hepes Buffer

    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). With 2.0 g/L sodium bicarbonate With HEPES buffer Applications RPMI-1640 medium was developed by Moore et al., at Roswell Park Memorial…

  • Terrific Broth

    Quality Biological

    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 to produce a higher plasmid yield. Autoclave sterilized Ready to use Applications …

  • Cell Freezing Medium B

    Quality Biological

    Cell Freezing Medium A protects cells from damage after freezing and thawing. Applications Cell Freezing Medium A is frequently used in cell biology research for the cryopreservation of cells. Cell Freezing Medium A (2X) works with Cell Freezing Medium B (2X). Recommendation Suspend…

  • 2M Magnesium Chloride

    Quality Biological

    Magnesium is a typical ionic halide, and is very soluble in water. Magnesium is an essential co-factor in many enzymes, including DNAse, some restriction enzymes, and Ribonuclease H. Used with SOC medium Magnesium has a variety of biological roles in enzymology, cell membrane/wall structure,…

  • Trypsin 0.05%-EDTA 0.1%

    Quality Biological

    Trypsin is a proteolytic enzyme used to detach adherent cell from culture vessel surfaces. Typical use includes removing adherent cells from a culture surface. Applications Trypsin is a serine protease derived from porcinepancreas. It is a single chain polypeptide of 223 amino acid residue…

  • RPMI-1640:Click's Medium (1:1)

    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). With 2.0 g/L sodium bicarbonate With HEPES buffer Applications RPMI-1640 medium was developed by Moore et al., at Roswell Park Memorial…

  • 10X Protein Running Buffer

    Quality Biological

    Protein Running Buffer, 10X is used as the electrophoresis buffer during the stacking and resolve process of sodium dodecyl sulfate – polyacrylamide gel electrophoresis (SDS-PAGE), and is the running buffer for TRIS-glycine gel electrophoresis. Contains 1% SDS Filtered through a 0.22 µm…

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