graphene quantum dots
Improving cytotoxicity against cancer cells by chemo-photodynamic combined modalities using silver-graphene quantum dots nanocomposites
... with graphene quantum dots (Ag-GQDs) were tested as a platform to deliver a chemotherapy drug and a photosensitizer, simultaneously, in chemo-photodynamic therapy against HeLa and DU145 cancer cells ...
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Robustness of edge states in graphene quantum dots
... disordered graphene quantum dots. We show that generic graphene quantum dots support a number of edge states proportional to circumference of the dot over the lattice ...
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Antitumor effect of a Pt-loaded nanocomposite based on graphene quantum dots combats hypoxia-induced chemoresistance of oral squamous cell carcinoma
... glycol-modified graphene quantum dots via chemical oxidation and covalent ...glycol-graphene quantum dots-Pt (GPt) is about 5 nm in ...
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Controllable size selective method to prepare graphene quantum dots from graphene oxide
... of graphene itself to less than 100 nm, graphene quantum dots (GQDs), to endow quantum confinement effect that was also a contributing factor for PL emission ...nanosized ...
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Simultaneous Determination of Hydroquinone and Catechol using Carbon Glass Electrode Modified with Graphene Quantum Dots
... In this study, an electrochemical sensor for the simultaneous detection of hydroquinone (HQ) and catechol (CC) was fabricated on glassy carbon electrode (GCE) modified with graphene quantum dots ...
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A Highly Sensitive Dopamine Sensor Based on Graphene Quantum Dots Modified Glassy Carbon Electrode
... A graphene quantum dots (GQDs) modified glassy carbon electrode (GCE), namely GQDs/GCE was prepared by electrodeposition method, which was characterized by chronocoulometry and electrochemical ...
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Characterization of Humidity Sensing of Polymeric Graphene-Quantum-Dots composites incorporated with silver nanowires
... synthesized graphene quantum dots (GQDs) and spin-coated composite thin films of GQDs, PEDOT:PSS and Ag nanowires (GPA) were prepared for characterization of humidity ...AgNWs-doped graphene ...
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Cellular distribution and cytotoxicity of graphene quantum dots with different functional groups
... Up to now, little effort has been focused on the cytotox- icity and distribution research of GQDs with different functional groups. Wu and his colleagues explored the intracellular distribution and cytotoxicity of GQDs ...
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Diethyldithiocarbamate Doped Graphene Quantum Dots Based Metal Complex Nanoparticles by Resonance Light Scattering for Green Detection of Lead(II) – (A Review)
... Resonance light scattering (RLS) probe for sensitive determination of heavy metals such as lead (Pb) based on diethyldithiocarbamate (DDTC) doped graphene quantum dots (GQDs) is subject to approach ...
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Fluorescent graphene quantum dots as traceable, pH-sensitive drug delivery systems
... Abstract: Graphene quantum dots (GQDs) were rationally fabricated as a traceable drug delivery system for the targeted, pH-sensitive delivery of a chemotherapeutic drug into cancer ...
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Graphene Quantum Dots Doped PEDOT and Its Electrocatalytic Performance for Oxygen Reduction Reaction
... Oxygen reduction reaction (ORR) is key issue for fuel cells because it always produces large polarization thus result in decrease of fuel cell performance. Herein, poly(3,4-ethylenedioxythiophene) (PEDOT) doped with ...
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Multiparticle equations for interacting Dirac fermions in magnetically confined graphene quantum dots
... in graphene quantum dots. Such quantum dots can be created in a tunable way by imposing suitable inhomogeneous magnetic field ...
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Highly Sensitive Determination of Theophylline Based on Graphene Quantum Dots Modified Electrode
... Graphene quantum dots were prepared by direct pyrolysis of citric acid. In a typical synthesis procedure, a ceramic crucible containing 2 g citric acid monohydrate was heated to 250 °C in a muffle ...
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Fabrication of ultra-small monolayer graphene quantum dots by pyrolysis of trisodium citrate for fluorescent cell imaging
... As shown in Scheme 1, the GQDs were synthesized based on pyrolysis of the precursor trisodium citrate and purifica- tion by two-stage ultrafiltration. The morphology of the obtained GQDs was characterized by transmission ...
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Influence of luminescent graphene quantum dots on trypsin activity
... We systematically studied the interactions of GQDs with trypsin to elucidate the general fate of GQDs in biological systems. GQDs exhibited a strong bonding capacity owing to their surface charge and surface ...
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Investigation of the effects of carbon-based nanomaterials on A53T alpha-synuclein aggregation using a whole-cell recombinant biosensor
... For cell toxicity assays, HEK293T cells were cultured in DMEM supplemented with 10% FBS in a humidified 5% CO 2 atmosphere at 37 ° C. Then, the cells were transferred to sterile 96-well growth plates at a density of ...
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Search | Preprints
... In this work, we firstly explored a mild, clean, and highly efficient approach for the synthesis of graphene quantum dots (GQDs). GQDs with carboxyl groups or amino groups, were prepared from one- ...
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Evidence for formation of multi quantum dots in hydrogenated graphene
... hydrogenated graphene system, a possible explanation for the formation of the multi-quantum dots is depicted in Figure ...as dots in Figure 5a, existed on the single-layer gra- phene flake ...
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Zebrafish Models in Neural and Behavioral Toxicology across the Life Stages
... Acute exposure to DE ‐ 71: Effects on locomotor behavior and developmental neurotoxicity in zebrafish larvae. Toxicity of Graphene Quantum Dots in Zebrafish Embryo[r] ...
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The effect of pristine carbon based nanomaterial on the growth of green gram sprouts and pH of water
... carbon quantum dots (CQDs), graphene quantum dots (GQDs), graphene oxide (GO), and single-walled carbon nanotubes (SWCNTs) to cultivate bean ...
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