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Showing: 1–25 of 50

  1. Janus monolayers of transition metal dichalcogenides

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    A novel synthetic approach makes it possible to grow MoS2 monolayers where S is fully replaced with Se atoms only in the top layer.

  2. Multivalent bi-specific nanobioconjugate engager for targeted cancer immunotherapy

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    A multivalent bi-specific nanoconjugate can promote immune cells to recognize and eradicate cancer cells in a receptor targeted manner, leading to the generation of potent and durable anti-tumour immunity

  3. Graphene transistors

    Graphene is being investigated as a candidate material for post-silicon electronics. This article reviews the properties of graphene that are relevant to transistors, and discusses the trade-offs between them.

  4. A solid-state single-photon filter

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    An optical non-linearity at the single-photon level is reported with a semiconductor quantum dot–cavity device. The device performs as an efficient single-photon filter that strongly suppresses the multiphoton components of incident coherent pulses.

  5. Enhanced valley splitting in monolayer WSe2 due to magnetic exchange field

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    Magnetic exchange field from an EuS substrate breaks the valley degeneracy for monolayer WSe2, leading to enhanced valley splitting.

  6. Tunable sieving of ions using graphene oxide membranes

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    Ion permeation and selectivity of graphene oxide membranes with sub-nm channels dramatically alters with the change in interlayer distance due to dehydration effects whereas permeation of water molecules remains largely unaffected.

  7. A STING-activating nanovaccine for cancer immunotherapy

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    STING-activating nanoparticle vaccines achieve robust activation of tumour-specific T cells for cancer immunotherapy.

  8. Peptide–MHC-based nanomedicines for autoimmunity function as T-cell receptor microclustering devices

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    Nanoparticles can be used as ligand-multimerization platforms to activate specific cellular receptors in vivo.

  9. Reviving the lithium metal anode for high-energy batteries

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    Lithium-ion batteries have had a profound impact on our daily life, but inherent limitations make it difficult for Li-ion chemistries to meet the growing demands for portable electronics, electric vehicles and grid-scale energy storage. Therefore, chemistries beyond Li-ion are currently being investigated and need to be made viable for commercial applications. The use of metallic Li is one of the most favoured choices for next-generation Li batteries, especially Li–S and Li–air systems. After falling into oblivion for several decades because of safety concerns, metallic Li is now ready for a revival, thanks to the development of investigative tools and nanotechnology-based solutions. In this Review, we first summarize the current understanding on Li anodes, then highlight the recent key progress in materials design and advanced characterization techniques, and finally discuss the opportunities and possible directions for future development of Li anodes in applications.

  10. Directed assembly of bio-inspired hierarchical materials with controlled nanofibrillar architectures

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    A combination of mechanical constraints and directed assembly of silk-fibroin leads to the generation of engineered hierarchical structures with control over multiple length scales from the macro, to the micro and nanoscales.

  11. Improved air stability of perovskite solar cells via solution-processed metal oxide transport layers

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    Using metal oxides for both the hole- and electron-transport layers in perovskite solar cells significantly improves their stability compared with devices containing organic transport layers.