Hydrophobic chromatography is based on the fact that protein molecules can have extensive hydrophobic regions.  These hydrophobic regions, in media favoring hydrophobic interactions, such as an aqueous solution with high salt concentration, can bind to hydrophobic ligands coupled to an…

An important and essential tool in protein analysis is electrophoresis.  Protein electrophoresis allows researchers to separate complex protein samples by their molecular size and/or net charge on polyacrylamide gels.  The proteins can be subsequently visualized with various protein…

Thomas No. 1182Z90 Life size showing the head with nasal and buccal cavity, half brain, eye with optic nerve. The back shows the vertebral column, spinal cord with nerve endings and the 1st, 5th & 7th dorsal vertebra is removable. Contains the following parts • Head - 1 Part •…

Determination of protein concentration is an essential technique in all aspects of protein studies and proteomics.  The Assays for Protein Quantification kit includes three of the most widely used protein assays and allows for a direct comparison of the three assays that teaches students…

Today’s media routinely covers forensic stories of criminals captured and innocents released using the powerful DNA fingerprinting technique. This kit allows students to carry out their own criminal investigation by comparing DNA samples collected from suspects to DNA collected at a…

The detailed 3D rendering of a greatly magnified plant cell, with its vibrantly colored cell structures and organelles, is ideal for studying the structure and function of these various features of a plant cell (peroxisome, Golgi apparatus, nucleus, nucleolus, nuclear envelope, endoplasmic…

This Biotechnology Basics™ kit by Ellyn Daugherty is designed to teach the basic principles of a gel box, specifically horizontal agarose gel electrophoresis. The kit is supplied with all the reagents necessary to conduct 4 gel box science experiments, each using a gel box (not supplied). …

Size exclusion chromatography (SEC), also called gel filtration chromatography or gel-permeation chromatography (GPC), uses porous particles to separate molecules of different sizes.  It is generally used to separate biological molecules and to determine molecular weights and molecular weight…

Glass prepared microscope slides, supplied in a wooden case. Contents: Allium Mitosis, ls Amoeba Proteus, wm Animal Mitosis, sec Diatom Strew, wm Euglena, wm Ficus Leaf, cs Hydra - Plain and Budding, wm Paramecium Caudatum, wm Planaria - Plain, wm Rananculus -…

Five pounds of black wax for dissecting trays.

These wood splints (5 1/2“ x 13/64”) are used for variety of applications including as applicators or markers in planting. Sold as a pack of 500.

Stainless steel, consisting of 14 instruments for accurate dissection. Complete in zipper leather case. Kit consists of: Scissors - 2 pcs. Forceps - 2 pcs. Needles - 4 pcs. Scalpel - 1 pc. B.P. Handle w/ Blade - 1 pc. Razor - 1 pc. Magnifying Glass - 1 pc. Chain…

This kit is designed to teach 8 groups of four students the principles of ELISA (Enzyme Linked ImmunoSorbent Assays).   The kit contains the reagents to allow students to: Conduct a serial dilution of a stock amylase solution to create standards of known concentration Bind known…

This Biotechnology Basics™ by Ellyn Daugherty is designed to teach students the basic principles of measuring small volumes (<500µl) using micropipettes. The kit is supplied with all the reagents to allow 8 groups of 4 students to learn about P-1000, P-200 or P-100 and P-20 or P-10…

This kit is designed to teach 8 groups of four students the principles of the polymerase chain reaction (PCR)   The kit contains the reagents to allow students to: Set up multiple PCR reactions using pAmylase plasmid DNA and bacterial genomic DNA templates Set up a PCR negative…

The objective of this experiment is to identify the presence of the single nucleotide polymorphism (SNP) in an amplified segment of the PTC gene that links detection of the characteristic taste of PTC paper. This is a set of five modules that starts with (I) extraction of DNA from buccal cells (II)…

Animal cell model is used for biological study, and depicts cell structures as magnified by an electron microscope for detailed examination, including the nucleus, nucleolus, endoplasmic reticulum, mitochondria, ribosomes, polysomes, Gogli apparatus, centrioles, lysosomes, and vacuoles. The model…

Lab activity that teaches use of specific lock-key matching properties of antigen-antibody for detection and characterization of antibody or antigenic proteins in complex samples. One such widely used method is known as Western Blot analysis. Western Blot analysis involves electrophoresis…

This kit is designed to teach 8 groups of four students the principles of enzyme assays.   The kit contains the reagents to allow students to test for the presence and activity of 2 different types of amylase by: Visualizing the breakdown of the starch substrate by the amylase…

Restriction enzymes are DNA-cutting enzymes found in bacteria and as they cut within the molecule, are often called restriction endonucleases. A restriction enzyme recognizes and cuts DNA only at a particular unique sequence of nucleotides, allowing for restriction sites to be mapped.   …

Stainless steel, consisting of 7 instruments for accurate dissection. Supplied in leather storage case. Kit consists of: Scissors - 1 pc. Forceps - 1 pc. Needles - 2 pcs. B.P. Handle w/ Blade - 1 pc. Dropper Glass - 1pc. Ruler 6" - 1 pc.

A hands on lab activity to study immunoaffinity chromatography and use a specific antibody to purify antigenic proteins from complex samples. This technique involves performing a chromatography procedure using antigen or antibody immobilized on a chromatographic resin.   The solution…

This kit is designed to teach 8 groups of four students the principles of restriction digestion and agarose electrophoresis. The kit contains the reagents to allow students to: Set up restriction digests of the p-Amylase plasmid with two enzymes Set up positive and negative controls for the…

One of the most important molecules in an organism is its genomic DNA.  Genomic DNA is found in every cell of an organism and carries all the necessary information required to make that organism.   This kit provides all the reagents required to visualize genomic DNA strands by a…

This high quality foot model is great for anatomical study. The foot is mounted on a plastic base, and the bones are flexible in order to demonstrate movement. Model is 8.5" long and 6" high.

Zymography is an electrophoretic technique that includes a substrate copolymerised with the polyacrylamide gel for the detection of enzymes and their activity. Samples are prepared without denaturing the active enzymes present in the samples. Following electrophoresis, the gel is placed in an…

Affinity chromatography is a powerful tool for the purification of specific biomolecules, including proteins. The basic principle is that a biospecific ligand is immobilized to a solid support or resin to which a solution containing the protein of interest is passed over. Ligands are often based on…

This lab activity is designed to study highly specific lock-key matching properties of antigen-antibody and how this highly specific interaction can be exploited as a tool for research and analysis. This study involves the use of an immunodiffusion technique in which antigen and antibody are…

Molecular cloning is a commonly used technique for the generation of recombinant proteins.  The gene for a protein of interest is cloned into a vector, or plasmid, in frame with the gene for a protein tag.  These tags are used to purify expressed protein by established…

The subjects of life sciences and biotechnology allow students to learn about the fundamental building blocks of life, including their proteins. In addition, biotechnology teaches us how scientists manipulate proteins in industrial applications.   This kit allows students to study their…

See-Through Sally™ provides a memorable visual aid for teaching human anatomy. This set consists of 12 spiral-bound anatomy charts, each representing a different area of the body, mounted on a rigid metal frame and floor stand. See-Through Sally is arranged according to both how the body…

Genomic DNA isolation is a crucial technique in molecular biology, genetic manipulation and biotechnology.  To carry out these exciting and innovative sciences, researchers require an original source of DNA, which is easy to acquire as it is found in every living organism.  Genomic DNA is…