Demonstrate plate tectonic principles, plate boundary interactions and the geometry and relative motions of faulting of geologic layers using 3-D manipulative models. Versatile kit contains a Fault Model Set of 5 manipulatives and a Tectonics Sand Layer Model. Use the Fault Model Set to demonstrate…

Bacterial plasmids, the non-genomic transferable DNA, can easily be purified from bacteria using numerous techniques.  The purification of DNA is important for genetic research as it provides a source of transferable DNA and allows researchers to isolate large amounts of recombinant DNA. …

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 17" (43 cm) skeleton model is sure to give years of learning fun and is a great demonstration model for learning basic anatomical features. This skeleton features a movable jaw on springs, natural movement of the joints with the exception of fused carpals and tarsals. Constructed of…

Our magnetic stir bars are constructed of high quality magnets coated with PTFE. Cross-shaped stir bars increase turbulence and improve stirring action.

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). …

Stainless steel, consisting of 20 instruments for accurate dissection. Supplied 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. Ruler 6" - 1 pc. …

Water pollution is a major problem throughout the world, raising severe concerns about health and sanitization issues.  A common problem in polluted water is the presence of bacteria, particularly coliform bacteria from fecal matter, which can directly result in disease, as well as act as a…

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…

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…

Our Bacterial Gram Staining kit is supplied with three strains of bacteria and all the necessary prealiquoted components to carry out the Gram staining to determine Gram positive and negative bacteria. The Gram staining method was first described in 1844 by the Danish bacteriologist Hans…

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.

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 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…

The aim of proteomics is to identify and characterize all the proteins in an organism.  The major restrictions in protein identification are the large number of proteins and the huge differences in abundance.  These restrictions mean low abundance, critical proteins are often masked and…

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…

This kit is designed to teach 8 groups of four students the principles of Ion Exchange Chromatography and protein purification.  The kit contains the reagents to allow students to: Equilibrate a DEAE agarose column Load a protein sample on the column (amylase, lysozyme or a mixture of…

Ion exchange chromatography is used to separate charged molecules from complex biological samples. The charged molecules bind to a solid support carrying an opposite charge to the molecule. Proteins contain regions of charged groups on the surface which interact with the ion exchange groups…

Antibiotics play a crucial role in the manipulation, screening and killing of bacteria in a range of biotechnology processes.  This kit specifically teaches the basic principles of antibiotics, bacterial resistance and susceptibility. Students learn and understand the use of antibiotic…

Agarose gel electrophoresis is a routinely used tool for separating nucleic acids.    Nucleic acids are negatively charged molecules, which when loaded onto the solid agarose matrix, migrate in the presence of an electric field, separating the nucleic acids by size.   …

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…

Enzymic proteins are functional molecular engines of life and as such carry out cellular reactions in cells. Enzymes convert a target molecule (substrate) into a different molecule (product). Enzymes have a number of distinct advantages over conventional chemical catalysts. The most distinctive…

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…

Stainless steel, consisting of 7 instruments for accurate dissection. Complete in zipper leather case. Kit consists of: Scissors - 2 pcs. Forceps - 2 pcs. Seeker - 1 pc. B.P. Handle w/ Blade - 1 pc. Needle Wooden Handle - 1pc

Unique "exploded" model shows how bones fit together. This life-size skull is an exploded skull that has been articulated using wires connected to a stand. The bones can be rotated for closer examination. An excellent tool to learn the position and individual bones of the human skull.…

Glass prepared microscope slides, supplied in a wooden case. Contents: Allium Mitosis, ls Amoeba Proteus, wm Animal Mitosis, sec Bone, Ground Preparation, cs Desmids, wm Diatoms, Mixed, wm Euglena, wm Ficus Leaf, cs Human Blood Smear, sm Muscle Types, Composite,…

Dissecting Pan, Aluminum Dissecting pans are stackable and made of durable aluminum (wax not included). Available in two sizes. Dissecting Pan, Aluminum, with Black Wax Dissecting pans are made of durable aluminum and include a layer of black wax. Available in two sizes.  

The kit utilizes the principle of diffusion of nucleic acids on a nylon membrane to determine their concentration. No spectrophotometers required. Nucleic acid concentration can be measured by measuring the diameter of diff used nucleic acid spots or comparing the color density of the spots with…

Our Genomic DNA Spooling kit allows for 8 groups of 2-4 students to spool salmon testes DNA onto a spooling rod.  This lab module allows students to precipitate the DNA from solution before spooling (winding) onto a rod.  The recovered DNA is returned to solution and the students then use…