Med-tech happenings, including deals and partnerships, grants, preclinical data and other news in brief: 3a-Diagnostics, Amblyotech, Assure Holdings, Avita Medical, Aytu Bioscience, Causaly, Epion Health, Medable, Median Technologies, Merit Medical, Microbac Laboratories, Midwest Products & Engineering, Mologic, Nanopass, Novabay Pharmaceuticals, Novartis, Omega Diagnostics, PDI Healthcare, Renalytix, Shenzhen Microprofit Biotech, Strata Skin Sciences, Tissue Regenix, Twist Bioscience, Ubisoft, Xphyto.