At LPS, we understand the importance of reliable and affordable microbiological supply solutions for our customers in varied environments, from research laboratories to medical laboratories and beyond. We provide procurement of a wide range of products, including dehydrated and prepared media, both bottled and plated, organisms, and supplies such as inoculating loops and needles.
Please also see our collection of other Life Science products for a complete offering of whatever you may need for your important work. We're always here if you have questions or need assistance - email or call us!
When ordering media, decide between prepared and dehydrated forms. Prepared plates (15 x 100 mm, plus 15 x 65 mm contact plates for surface monitoring), tubes and bottled broths save preparation time but have shorter shelf lives and usually need refrigeration, so order quantities you can use before the expiration date. Dehydrated media store longer but must be weighed, prepared and sterilized in house. Look for USP-designated media when your testing follows compendial methods, and pair them with quality control organisms such as ATCC-derived strains in DuoPak format. Sterile plastic inoculating loops come in calibrated volumes such as 10 µl.
Microbiology: common questions
What is a bacterial freezing kit?
A bacterial freezing or preservation kit usually contains cryovials prefilled with a cryoprotective broth, often with porous beads. You add a fresh culture, let the organisms attach to the beads, remove the excess liquid and freeze the vial, typically at -70°C or colder. Later, a single bead can be removed to start a culture without thawing the whole vial. Follow the kit maker's instructions for your organism.
What are contact plates used for?
Contact plates are small plates filled so the agar forms a raised, convex surface. They are pressed directly onto flat surfaces such as benches, equipment or gloves to sample microorganisms for environmental monitoring. Media for this use often contain neutralizers, such as lecithin and polysorbate (Tween), to counteract disinfectant residues picked up from the surface.
What are dilution blanks?
Dilution blanks are tubes or bottles prefilled with a measured volume of sterile diluent, such as buffered water or peptone water. They are used for serial dilutions of samples before plating or counting, so each step has an accurate, sterile volume without preparing and sterilizing the diluent in house.
Can prepared media be returned?
Returns are accepted within 30 days by mail, with the customer paying return shipping, but refrigerated or frozen items, sterile items and hazardous items cannot be returned. Most prepared plates and tubes fall into those groups, so check quantities and expiration needs before ordering. Many items ship directly from the manufacturer, so lead times vary by item.
Shop by type: Organisms · Prepared Media · Prepared Plated Media · Dehydrated Media · Inoculation Loops and Needles · Tubes, Swabs, Test Kits, Panels · Antibiotics and Selection Disks · Microbial Growth Media, Reagents · Anaerobic Products · Environmental Monitoring Media · Microbial Growth Media
Top brands: Hardy Diagnostics · Research Products International · GVS North America
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B.subtilis, MBL ATCC 6051, LyfoDisk EA1SKU: 0120L-EAManufacturer: Hardy DiagnosticsB.subtilis, MBL ATCC 6051, LyfoDisk EA1 (1 per EA )Learn Morewas $207.56 Special Price $205.12 - C.coli, MBL ATCC 43478, KwikStik EA1SKU: 0121K-EAManufacturer: Hardy DiagnosticsC.coli, MBL ATCC 43478, KwikStik EA1 (1 per EA )Learn Morewas $318.60 Special Price $314.85
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- Salmonella enterica subsp. enterica serovar Mbandaka Sal58 derived from FDA SAL5696 , UV-BioTagSKU: 01230UVS-EAManufacturer: Hardy DiagnosticsSalmonella enterica subsp. enterica serovar Mbandaka Sal58 derived from FDA SAL5696 , UV-BioTag (1 per EA )Learn Morewas $404.67 Special Price $399.91
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- Burkholderia cenocepacia derived from ATCC® BAA-245™ , LYFO DISKSKU: 01269L-EAManufacturer: Hardy DiagnosticsBurkholderia cenocepacia derived from ATCC® BAA-245™ , LYFO DISK (1 per EA )Learn Morewas $207.56 Special Price $205.12
- K.kristinae, MBL ATCC BAA752, KwikStik EA1SKU: 0126K-EAManufacturer: Hardy DiagnosticsK.kristinae, MBL ATCC BAA752, KwikStik EA1 (1 per EA )Learn Morewas $220.31 Special Price $217.72
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- Manufacturer Hardy Diagnostics Remove This Item
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LPS provides procurement services:
Strategic and customized product sourcing services to find the best vendorsUnparalleled customer service from dedicated procurement managers
Custom web portal where you can order items from any vendor on one site
Consolidate orders and invoices
Wholesale “club” pricing for members
Procure-to-Pay software solutions and process consulting
Enterprise procurement solutions designed for small and mid-sized labs