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Identification of Microorganisms Based on Color

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram.

Ready-to-Use Staining Kits and Solutions for Bacteriologic Investigations

Explore our staining kits and solutions for bacteriological differentiation and diagnostics. Our bacteriology products are all IVDs, CE certified and ready to use.

Bacteriology Stains

Browse through our comprehensive range of microbiological stains and reagents for all steps in bacteriology staining of research and clinical specimens.

Bacteriology

An overview of the science and practice of bacteriology in clinical diagnostics. Learn more about the application of standard and special stains for microscopic analysis.

Microbial identification tests

Simple, fast and reliable identification tests and reagents for biochemical reaction-based identification and differentiation of microorganisms, including the HybriScan® in situ hybridization system, discs, strips, and ID membranes.

BugBuster^® Plus Lysonase™ Kit: Cell Lysis and Nucleic Acid Removal for Gram-negative and Gram-positive Bacteria

Cell lysis and nucleic acid removal for Gram-negative and Gram-positive bacteria using the BugBuster Plus Lysonase™ Kit

On the Trail of Campylobacter

On the Trail of Campylobacter - The Campylobacter is one of the leading causes of human gastroenteritis. Common Campylobacter species C. jejuni, C. coli, and C. lari are responsible for most cases of campylobacteriosis. However, other species, like C. fetus

Clostridium perfringens, their Properties and their Detection

Clostridium perfringens can cause contamination in undercooked or improperly sterillized canned foods and water. Learn to detect, identify, and differentiate this pathogen.

Streptococci - Overview of Detection, Identification, Differentiation and Cultivation Techniques

Streptococci- Overview of Detection, Identification, Differentiation and Cultivation Techniques

Vibrio Detection

Vibrios are motile, curved or comma-shaped bacilli and have a single polar flagella with sheet proteins. They are often found in open water, freshwater and saltwater.

GenElute™ Bacterial Genomic DNA Kit Protocol (NA2100, NA2110, NA2120)

GenElute™ Bacterial Genomic DNA Kit protocol describes a simple and convenient way for the isolation of pure genomic DNA from bacteria.

Clostridia Diagnostic

Clostridia are relatively large, gram-positive, rod-shaped bacteria that can undergo only anaerobic metabolism.

Cytology & Cytodiagnosis

Brief information on the field of cytology, its role in cytodiagnosis and the use of standard and special stains for microscopic analysis to detect cellular abnormalities.

Pseudomonas Media and Tests

An article concerning the detection, identification, differentiation, and cultivation of Pseudomonas species.

Western Blotting Sample Preparation

The emphasis of this page is on the rules and good practice in sample preparation for Western Blots.

Whole Cell Lysis Reagents & Enhancers

Protein extraction kits, cell lysis buffers, and reagents for solubilizing proteins from bacteria, yeast, and insect cultures, as well as plant and mammalian cell cultures and tissue samples.

Molecular Cloning & Protein Expression

Molecular cloning and protein expression methods and protocols for reliable cloning and robust protein expression from insect, bacteria, and mammalian protein expression vectors.

Biopharmaceutical Characterization

Large biomolecules, biologics, biosimilars, vaccines present challenges in characterization and quantification. Since product characterization is the foundation of safe biological drug development, continuous improvement of techniques and applications ensure efficient characterization and manufacturing of the drug.

Purification of Membrane Proteins

This page shows how to perform a purification of His-tagged membrane proteins.