Can I use the preservation buffer for organoids?Home FAQ Single Cell Kits sCelLiVE Tissue to Living Single Cell Suspension Kit Can I use the preservation buffer for organoids?Our preservation buffer is designed to preserve fresh tissues, maintaining the constituent cell viability for up to 72 hours. We have found that organoids can be safely stored and transported in their own medium – including matrigel — at ambient temperatures without significant loss of viability.