Buffer: This immunohistochemistry protein blocker consists of proprietary blocking agents and stabilizers prepared using ultra pure reagents dissolved in pharmaceutical grade water (WFI). The buffer is pH adjusted to pH 7.6.
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Label: Unconjugated Preservative: Thimerisol is added as an antimicrobial agent. Stabilizer: Proprietary Sterilization: This product was aseptically filtered through a Millipore 0.22-micron filter into clean, pre-sterilized containers. The product was tested on trypticase soy agar for 24 hours, 48 hours and 72 hours and was found to be negative for bacteria.