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A non-destructive soft-lock drawing method can achieve carbon nanotube arrays with ultraclean surfaces and a very high degree of alignment. Such arrays could be used as nano-sized electrical contacts of high-density monolayer MoS2 transistors.
The uptake and transfer of nanoplastics in the roots and shoots of lettuce and wheat were quantified by doping polystyrene nanoparticles with Eu–β-diketonate and using inductively coupled plasma mass spectrometry, time-gated luminescence and scanning electron microscopy.
A cryo-strain device capable of applying large, continuous strains to two-dimensional materials in situ enables the reversible tuning of magnetic order and spin-canting process of the layered magnetic semiconductor CrSBr.
Orally delivered rapamycin is an immunosuppressant that inhibits islet graft rejection in patients treated for type 1 diabetes, but it suffers from poor bioavailability, inconsistent cellular distribution and adverse reactions. Here the authors show that subcutaneous delivery of rapamycin using a polymersome platform allows for control of the drug’s biodistribution and activity on specific immune cells, which changes its mechanism of action from immunosuppression to tolerance, reduces side effects and enhances anti-inflammatory efficacy.