Fig. 6

a Scheme of Hf-MOL triggered RT-RDT to strengthen checkpoint blockade. b Immunofluorescence staining of apoptotic in 4T1 tumor and corresponding lung metastasis results recorded by tumor nodules and H&E staining. Scale bars for terminal deoxynucleotidyltransferase mediated DUTP-biotin nick end labeling (TUNEL) is 100 mm, scale bars represent 5000 mm for images of tumor nodules in the lungs and their histology sections. Reprinted with permission from Ref. [60],