High-resolution SEM image of RNA triple-helix microstructures

siRNA nanoparticles (green) scavenged by tumour-associated macrophages expressing VEGF (red), a protein that helps tumours form new blood vessels to get nutrients

Dual-colour hydrogel scaffolds made of
RNA-triple-helix nanoconjugates pre-incubated with complementary miR targets

Breast cancer cells (in red) internalized by miRNA-gold nanoparticles (in green).

Cryosection of dendrimer–dextran adhesive hydrogel depicting adhesive morphology. Red spots represent the triple-helix nanoparticles.

Colorectal cancer cells transfected with siRNA gold nanoparticles

High-resolution SEM image of RNA triple-helix microstructures

Tumor tissue impregnated with smart gold nanorods (in green) and gold nanospheres (in red).

Lung cancer cells with huge endosomal structures full of engineered gold nanoparticles

Thermal imaging of mice implanted with a gel doped with smart nanorods that can heat up when illuminated in NIR

ATR-FTIR image of nanobeacons accumulated on lung tissue.

Local triple-combination therapy results in tumour regression and prevents recurrence in a colon cancer model

Implantable hydrogel embedded dark-gold nanoswitch as a theranostic probe to sense and overcome cancer multidrug resistance.

Intracellular uptake of PAMAM dendrimers on cancer cells

Dark-field imaging of cells internalized with PEG-gold nanoparticles.

Gold nanobeacons (in red) able to image and detect a gastric tumor in vivo