(1) Innovative nanomedicines for precision gas therapy involving H2, CH4, NO, CO and H2S (2) Hydrogen assisted traditional Chinese medicine and science: Development of innovative theories, techniques, medicines and practices (3) Gas activation for tissue engineering (4) Gas regulation of diseased microenvironments (5) Nano-catalytic gas medicine (6) Nano-sizing of novel gas prodrugs (7) Biological mechanisms of H2 and CH4