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Gibco® HEPES (N-2-hydroxyethylpiperazine-N-2-ethane sulfonic acid) is a zwitterionic organic chemical buffering agent commonly used in cell culture media. The addition of 10–25 mM HEPES provides extra buffering capacity when cell culture requires extended periods of manipulation outside of a CO2 incubator. HEPES is a good buffering choice for many cell culture systems because it is membrane impermeable, has limited effect on biochemical reactions, is chemically and enzymatically stable, and has very low visible and UV light absorbance. Dual-site cGMP Manufacturing and Quality System Gibco® HEPES is manufactured at a cGMP compliant facility, located in Paisley, Scotland, UK. The facility is registered with the FDA as a medical device manufacturer and is certified to the ISO 13485 standard. For supply chain continuity, we offer an identical Gibco® HEPES product made in our Grand Island facility (15630-080). This facility is registered with the FDA as a medical device manufacturer and is certified to the ISO 13485 standards. |
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