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.   …

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…

Life Sized, Humerus Bone Model Anatomically correct replica of the human humerus Realistic details, texture and bony landmarks Made of durable and sturdy PVC plastic. Washable. Ideal for both student and patient educational demonstration. The life-size model of the human humerus…

ANATOMICALLY CORRECT REPLICA Anatomically accurate replica of a human hand. Articulated digits to demonstrate realistic movement REALISTIC DETAILS & TEXTURES Model features realistic details, textures and bony landmarks - providing an incredible amount of realism for examining the…

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…

Glass prepared microscope slides, supplied in a plastic mailer.

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. …

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 •…

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…

This kit is designed to teach 8 groups of four students the principles of Protein Electrophoresis. The kit contains the reagents to allow students to: Conduct a serial dilution of a stock amylase solution Prepare samples for PAGE electrophoresis Separate and distinguish proteins by…

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 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…

Frame measures 19.5" by 19.5". Each square measures approximately 3.5" by 3.5" Heavy duty, metal frame resists rusting Easy to clean Great for ecological study of an area, for counting specimens, plants and different minerals Perfect for classroom experiments and study Ecological Inspection…

Recent proteomic studies have led scientists to estimate that there are almost a million different proteins in a single human cell.  The function and properties of these proteins are highly distinct ranging from structural proteins involved in cell integrity, including hydrophobic cell…

Arm on stand Arm is 22" in length Vividly hand painted Base Dimensions: 10" X 7" X 1" Identification Key Card included The detailed 3D rendering of the human muscular arm, with its vibrantly colored anatomy, is ideal for studying the structure and function of the muscles in the human arm. Key…

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…

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…

3 PART SKULL MODEL Life sized skull model. Three parts, including calvaria, base of skull, and mandible. Hand painted, color coded to show the various structure of the human skull ARTICULATED MANDIBLE Mandible is articulated for more in depth study, and to demonstrate mandible movement …

For demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions. Mounted on wooden base by clips. Base, approximately 12.25" wide, height to top of resevior is approximately 6.5". Resevior Diameter is approximately 0.75". Capillary bore…

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 -…

DIDACTIC HUMAN SPINE MODEL Life sized model of the human spine. Shows occipital plate, sacrum, coccyx and complete pelvis, and color coded cervical, thoracic and lumbar vertebrae FLEXIBLE The fully flexible construction allows for in depth study of the function and structure of vertebrae,…

Vividly hand painted Dimensions: 10" X 6.5" X 4" Identification Key Card Included 50 Million Times Enlarged No base - free standing 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…

Life size movable shows knee ligaments 12" tall Movable model of a human knee highlights the ligaments and bones that make up the human knee. Displays the anterior and posterior cruciate ligaments, as well as the medial and lateral collateral ligaments which support the femur, fibula, and…

Life Sized, Ulnar Bone Model Anatomically correct replica of the human ulna Realistic details, texture and bony landmarks Made of durable and sturdy PVC plastic. Washable. Ideal for both student and patient educational demonstration. The life-size model of the human ulna bone…

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…

Premium, physician made practice suture pad for practicing suturing skills Suture pad measures 6.5" wide, 5.75" long and 0.5" thick. Features a realistic texture and a variety of common cuts and lacerations, irregular wounds and Y shaped for corner stitches Innovative plastic pad is durable and…

Life size model of a bullfrog with open back Made of polyvinyl chloride (PVC) plastic for durability and rod-mounted on a base Key structures are numbered on the model and identified on the included key card Hand-painted using vibrant eco-friendly paint Designed by veterinary professionals and…

Demonstrates how the lungs are filled and emptied with air through contraction and relaxation of the diaphragm muscle. The two balloons act as the lungs and the rubber sheet acts as the diaphragm. Pulling the rubber sheet downward created pressure within the chamber causes the balloons to…

Greatly magnified, 3-dimensional hydra teaching demonstration model with lifelike design Made of polyvinyl chloride (PVC) plastic for durability and mounted onto backboard Sectioned longitudinally for studying the structure and function of internal and external anatomy Key structures are…

Magnified 500 times, in cross and longitudinal sections to show internal structures Features cuticle, upper and lower epidermis, palisade and spongy mesophyll, stomata, guard cell, and vein with xylem and phloem. Three dimensional and in great detail for great study and understanding of leaf…

This Biotechnology Basics™ kit by Ellyn Daugherty is designed to teach students about RFLP (restriction fragment length polymorphisms) and its use in crime scene investigations. Students will use restriction enzyme digestions of victim, suspect and crime scene DNA and then visualize the…

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…