Med-tech happenings, including deals and partnerships, grants, preclinical data and other news in brief: Applied Spectral Imaging, Astrazeneca, Avita Therapeutics, Bio-Techne, Guided Therapeutics, Kantaro Biosciences, Luminultra, Meridian, Mimedx, Mount Sinai Health, Natera, Nevro, Shandong Yaohua Medical Instrument, Staar Surgical, Telo Genomics, Thermo Fisher Scientific, Transenterix.