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Specimens

Specimens

Specimens are available for use in a wide variety of organic and inorganic testing procedures. Organic samples can be utilized for dissection purposes or studying whole preserved or life specimens, with practical examples in cellular biology or the internal structures of whole organs and complex multicellular systems. Rock specimens are useful for studying textures, grain sizes, and other features brought about by pressure, temperature, and other natural forces, offering a glimpse into the Earth’s geological history.

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Ward's® Tribonema

Ward's® Tribonema

Freshwater; unbranched filaments with cylindrical- to slightly barrel-shaped cells; shows the characteristic H-pieces upon fragmentation of the filament.

Live Cultures are supplied with media in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars. Fast delivery is available directly from our laboratory. Please specify a delivery date.

Each culture shipment is prepared in our laboratories and includes the "Working with Algae & Cyanobacteria" manual which contains detailed instructions for subculturing and use.

Canadian Customers:
CFIA and PHAC regulations require customers to submit a completed inspection checklist and signed statement of facilities compliance before receiving certain cultures. A customer service representative will contact you if documentation is required.

 
 
Zygnema

Zygnema

Freshwater. Filamentous; two stellate chloroplasts per cell. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

 
 
Ward's® Kocuria rosea

Ward's® Kocuria rosea

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

 
 
Ward's® Penicillium chrysogenum

Ward's® Penicillium chrysogenum

Deuteromycete. Produces penicillin. Incubation temperature 25°C. Malt extract agar growth medium.

 
 
Saccharomyces cerevisiae var. ellipsoides

Saccharomyces cerevisiae var. ellipsoides

Ascomycete. Wine yeast: Used in fermentation activities. Incubation temperature 30°C. Sabouraud dextrose agar growth medium.

 
 
Dictyostelium discoideum, Tube Culture

Dictyostelium discoideum, Tube Culture

Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp.

 
 
Live Sordaria fimicola Cultures

Live Sordaria fimicola Cultures

Use Sordaria fimicola to allow students to visualize the results of crossing over during cell division.

 
 
Synedra

Synedra

Freshwater, Unicellular; pennate, with bilateral symmetry. Diatom or basic medium.

Characterized by shells (tests) made of silica, in two parts.

 
 
Synura

Synura

Freshwater; elongated, biflagellate cells that form globular colonies; gelatinous sheath absent.

Live Cultures are supplied with media in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars. Fast delivery is available directly from our laboratory. Please specify a delivery date.

Each culture shipment is prepared in our laboratories and includes the "Working with Algae & Cyanobacteria" manual which contains detailed instructions for subculturing and use.

Canadian Customers:
CFIA and PHAC regulations require customers to submit a completed inspection checklist and signed statement of facilities compliance before receiving certain cultures. A customer service representative will contact you if documentation is required.

 
 

Ward's® Live Amphidinium Culture

Marine; Small Motile Cells with the Transverse Furrow Located Near the Apex.

 
 
Ward's® Peridinium

Ward's® Peridinium

Freshwater. Unicellular. Soil-water medium. Characterized by two flagella (one inside a groove at right angles to the other); most also have tests made of cellulose and are encrusted with silica.

 
 
Cladophora

Cladophora

Marine. Filamentous; freely branched. Erdschreiber’s medium.

Characterized by green plastids and cell walls composed of cellulose.

 
 
Ward's® Live Bacillus subtilis Culture

Ward's® Live Bacillus subtilis Culture

This organism is commonly isolated in soil and produces antibiotics such as bacitracin, subtilisin, and mycobacillin.

 
 
Ward's® Live Escherichia coli culture

Ward's® Live Escherichia coli culture

This organism is a common inhabitant of intestinal flora, and can be a major cause of urinary tract infection.

 
 
Ward's® Live Rhodospirillum rubrum Culture

Ward's® Live Rhodospirillum rubrum Culture

This species of Rhodospirillum is commonly isolated from stagnant water and mud. It is especially interesting because it produces a red pigment and is also capable of photosynthesis.

 
 
Ward's® Live Kocuria rhizophila (Micrococcus luteus) Culture

Ward's® Live Kocuria rhizophila (Micrococcus luteus) Culture

Kocuria rhizophila is also commonly known by the name Micrococcus luteus. This organism is commonly isolated from soil, and is frequently used to test antimicrobial efficacy in the food industry.