Perspective
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Open Access
Featured
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Review Article
| Open AccessDesign principles and biological applications of red-emissive two-photon carbon dots
Carbon dots are suitable for a range of biological applications due to their unique physicochemical properties and biological behavior. This Review summarizes research related to the emerging field of red-emissive two-photon carbon dots for bioimaging, biosensing, and phototherapeutic applications.
- Pooria Lesani
- , Aina Hazeera Mohamad Hadi
- & Hala Zreiqat
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Article
| Open AccessExtended gate field-effect-transistor for sensing cortisol stress hormone
Wearable, real-time devices that can monitor hormones are important for personalized healthcare. Here, a platinum/graphene aptamer extended gate field effect transistor is shown to detect cortisol, the primary stress hormone, in physiological fluid.
- Shokoofeh Sheibani
- , Luca Capua
- & Adrian M. Ionescu
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Article
| Open AccessStrain-induced structure and oxygen transport interactions in epitaxial La0.6Sr0.4CoO3−δ thin films
Strain engineering can enhance oxygen transport in cathodes in solid oxide fuel cells. Here, atomic scale imaging is used to probe local structures in tensile- and compressive-strained La0.6Sr0.4CoO3-δ films, revealing higher oxygen vacancy concentration in tensile films, and vacancy ordering.
- Yurii P. Ivanov
- , Markus Kubicek
- & Zaoli Zhang