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Ward’s® PURE Preserved Specimens - the best dissection experience from start to finish.

Ward's® PURE Preserved Specimens - the best dissection experience from start to finish.

This organism is commonly isolated from soil or water, and produces a pink or rose colored pigment.

Isolated from milk and cheese products. Can be used to ferment milk. 

Isolated from human nasopharynx, saliva, and sputum. Spontaneously agglutinates in saline.

Ames test strain for detecting carcinogens. Causes infection in humans. 

isolated from human intestine. Lactose positive and sucrose positive after a few days’ growth. Causes a mild form of dysentery.

Safely store up to 12 burets.

Everything You Need to Organize Your Specimens

A collection of some of the more popular forms of coliphage. The successful culture of coliphage requires growing in the appropriate host bacterium (available separately)

This organism is commonly found in soil and water, and is also associated with spoiled food. It produces a diffusible fluorescent pigment.

This spore-forming, thermophilic organism is commonly used for germicidal and sporicidal testing due to its ability to withstand higher-than-normal temperatures.

Both of these strains of Serratia marcescens are colorless mutants when plated alone, but when grown together, they produce a red pigment.

No Lancefield group shown, alpha hemolysis. Bile solubility test positive, optochin sensitive. Causes pneumonia. 

Gray, crystalline, massive, 'Alberene stone'.

Feldspar group; greenish gray alkali feldspar, coarse crystalline, some iridescence.