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Penicillin-streptomycin solution with 5,000 U/mL penicillin and 5,000 µg/mL streptomycin, 100x concentrate.
Lonza's Penicillin-Streptomycin Solution (Cat. No. 44631) is a vital antibiotic mixture designed to prevent bacterial contamination in mammalian cell cultures. This solution combines penicillin G, effective against Gram-positive bacteria, and streptomycin, targeting Gram-negative bacteria, ensuring comprehensive protection during cell culture applications.
Key features include:
This antibiotic solution is indispensable in various scientific fields, including molecular biology, biotechnology, and pharmaceutical research, where maintaining sterile cell cultures is paramount. It is widely utilised in university laboratories, biomedical research centres, and pharmaceutical companies to safeguard cell cultures from bacterial contamination.
First introduced in 1955, penicillin-streptomycin solutions have remained a cornerstone in cell culture practices, underscoring their enduring relevance in contemporary research settings.
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We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 8 November 2026