Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable)
protecting groups (PPGs), also known as caged or photocaged compounds, are used to …

The immune system not only acts as a defense against pathogen and cancer cells, but also
plays an important role in homeostasis and tissue regeneration. Targeting immune systems …

Hydrogels are cross-linked hydrophilic macromolecules that contain a certain amount of
water. Due to their biocompatible, highly tunable and hydrophilic nature, hydrogels have …

Self-healing, adhesive conductive hydrogels are of great significance in wearable electronic
devices, flexible printable electronics, and tissue engineering scaffolds. However, designing …

Stimuli-responsive conductive hydrogels have emerged as a new rising concept in the
hydrogel research field due to their combined advantages of stimuli-responsivity and …

Förster resonance energy transfer (FRET)-based biosensors are being fabricated for specific
detection of biomolecules or changes in the microenvironment. FRET is a non-radiative …

Organic/inorganic nanohybrids have attracted widespread interests due to their favorable
properties and promising applications in biomedical areas. Great efforts have been made to …

As a new tumor treatment strategy, photothermal therapy (PTT) has the advantages of
accuracy, ease of administration, a high efficiency and low side effects. Photothermal …

Highlights•Hydrogel-based drug delivery systems can be more efficacious than the systemic
therapies.•They provide a high concentration and a sustained release of the drugs at tumor …

Despite noteworthy developments in tumor therapy, cancer is still one of the main reasons
for death worldwide. While present cures supply hopeful marks, they trigger harsh …