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Showing 3 of 3 academic articles

Second hyperpolarizability of hexagonal graphene quantum dots: Effects of size and structural defects

Jiasheng Zhou, Haipeng Li, Ziqiang Yang, Zitao Zhang et al. • Carbon Trends (2021)

Graphene quantum dots (GQDs) are nanosized fragments of graphene containing a bandgap caused by edge effects and quantum confinement. These features enable GQDs to have attractive photonics applications. During the preparation of graphene n...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.cartre.2021.100054

Continuous monitoring biosensors for advanced healthcare and environmental applications: challenges, material innovations and future directions

Kiran Kumar Amireddy, P. V. R. Ravindra Reddy, C. Nagendranatha Reddy, P. Prabhakar Reddy • Frontiers in Sensors (2026)

This review critically discusses the development of continuous monitoring biosensors and the technological developments that have facilitated the transition from one-off or periodic measurement sensors to longer-term, connected and autonomo...

DOAJ Open Access (DOAJ) DOI: 10.3389/fsens.2026.1968999

Graphene Quantum Dots Modified with Metformin/Co(II) as Efficient Oxidation Catalyst

Saeid Nejati, Sajjad Keshipour, Mozhdeh Seyyedhamzeh • Iranian Journal of Chemistry & Chemical Engineering (2022)

While one of the valuable approaches to obtaining a heterogeneous catalyst is supporting them on a high surface area supports, the strategy mainly suffers from the low number of chelating agents on most of the supports to grip the metal cat...

DOAJ Open Access (DOAJ) DOI: 10.30492/ijcce.2021.530898.4752