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Smart delivery systems with inbuilt biological triggers are emerging for advanced therapeutic delivery applications. F. Caruso and co‐workers describe on page 1901 the synthesis of crosslinker‐free, layer‐by‐layer (LbL) capsules that utilize cellular pH variations as a trigger to specifically deconstruct and subsequently release cargo in cells.
The synthesis of cross‐linker free layer‐by‐layer (LbL) capsules that solely utilize cellular pH variations as a trigger to specifically deconstruct and subsequently release cargo in cells is reported. These capsules demonstrate retention of water‐soluble therapeutic molecules as small as 500 Da at extracellular pH. Triggered capsule degradation and release of cargo is observed within 30 min of cell...
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