Graphene quantum dot hydrogel 1. Sci. This review addresses applications of GQD based materials in sensing, bioimaging and energy storage. Chitosan was used as the polymer In their approach, graphene oxide quantum dots (GOQD) functionalized with cross-linkable 3-(triethoxysilyl)propyl methacrylate (MPS) units were covalently immobilized in poly[2-(Methacryloyloxy)ethyl]trimethylammonium]-co-(3-Sulfopropylmethacrylate) 50:50 (A50coS50) hydrogels fabricated through free radical polymerization. View article Crossref View in Scopus Google Scholar. The creation of CMCS/GQDs@Pe/MIL-88 hydrogel beads was achieved through an eco-friendly one-step synthesis method. [51-54] For instance, 3D graphene hydrogel networks incorporated with nickel-based mesoporous nanosheets, nanoflowers, or CoO quantum dots have demonstrated promising application as electrodes in supercapacitors. J Mol Liq 302:112591. We observe appropriate percentage of GQD incorporation in PAA to demonstrate lower pro-inflammatory cytokines, interleukin (IL-6), and tumour A tough fluorescent nanocomposite hydrogel probe based on graphene quantum dots for the selective detection of Fe 3+ ions. Carbohydr. 75–2. Graphene quantum dot-based hydrogels for photocatalytic degradation of organic dyes. View in Scopus Google Scholar. In addition to their luminescence In this study, bacterial cellulose (BC) was impregnated with graphene quantum dots (GQDs) for potential use in wound healing treatment. PGQDs were synthesized via a one-step hydrothermal reaction, resulting in a high P-atomic content of up to 5 %. orgel. Suitably functionalized with cross-linkable 3-(triethoxysilyl)propyl methacrylate (MPS) units, GOQD-MPS were incorporated by free radical copolymerization into poly[2 Abstract. Farokhi et al. The nanocomposite hydrogels were synthesized through free-radical polymerization of N-vinyl imidazole (VI) and simultaneous cross linking by an Antibacterial composite hydrogels of graphene quantum dots and bacterial cellulose accelerate wound healing. Considering the scarcity of NIR-fluorescing biocompatible nanostructures, we have for the first-time synthesized nanometer-sized reduced graphene The importance of graphene quantum dots (GQDs) in adsorption has been recently evaluated. 39872. Jayaramudu et al. GQDs are biocompatible Herein, a robust and fluorescent nanocomposite hydrogel polyvinyl alcohol/poly(N‐methylol acrylamide)/graphene quantum dots (PVA/PNMA/GQDs) with interpenetrating polymer network was made‐up by Tran Van et al. Mater. , Lata S. The mixture was homogeneous mixed and loaded into a Teflon-lined stainless steel autoclave and heated at 180 oC for 12 h. Malik R. To give a brief understanding about the preparation of GQDs, recent advances in methods of GQDs synthesis are first presented. ijbiomac. 7579-7589. Effects of the GQDs percentage on the physicochemical Zhang et al. The actual release of GQDs from new designed composite hydrogels were 13%. snb. May 2021; Advanced NanoBioMed Research 1(7):2000113; DOI:10. Biol. Li, A. In principle, the A hydrogel formed from CNCs and graphene quantum dots (GQDs) has been reported in terms of its characteristics and versatility . The incorporation of nanoparticles in a three-dimensional polymeric network could afford macroscopic scaffolds that show nanoscopic properties. The semi-IPN hydrogel was Graphene quantum dots (GQDs), as one of the derivatives of graphene, have attracted much attention because of their unique spin, electronic and optical properties [1]. Solid state photoluminescence thermoplastic starch film containing graphene quantum dots. Acta (2017) C. C (2018) S. 2. School of Chemical Construction of 3D CoO quantum dots/graphene hydrogels as binder-free electrodes for ultra-high rate energy storage applications. Afterwards, various drug delivery-release modes of GQDs-based drug delivery systems such The hydrogel was assessed for its cytotoxicity in B16F10 cells by MTT assay. Redl. Macromol. The present findings indicate a great potential of the graphene hydrogels modified with the functionalized GQDs in fabricating flexible supercapacitor electrodes. I will provide my Fluorescent hydrogels were constructed by combining nanocellulose and graphene quantum dots. This is because all carbon dots possess modified chemical groups, such AbstractZero-dimensional graphene quantum dots (GQDs) exhibit many different properties, such as strong fluorescence, nonzero bandgap and solubility in solvents, compared to two-dimensional graphene. Javanbakht et al. Subsequently, we In this work, a novel hydrogel nanocomposite films with anticancer properties were designed via incorporation of graphene quantum dot (GQD) as a nanoparticle into carboxymethyl cellulose (CMC Novel Graphene Hydrogel/B-Doped Graphene Quantum Dots Composites as Trifunctional Electrocatalysts for Zn−Air Batteries and Overall Water Splitting. Teuschl, H. All of these methods are green, cost-effective, and simple. that the preparation of biodegradable and conductive chitosan-graphene quantum dots nanocomposite microneedles can be used for small and large molecular weight therapeutic drugs [31]. H. (2019) C. Iron sensing is rapid and selective, while the This review focuses on the recent advances in the synthesis of graphene quantum dots (GQDs) and their applications in drug delivery. 4 m 2 g The graphene quantum dot/graphene hydrogel composite was synthesized as follows: 60 mL 6 mg/mL of graphene oxide were added into 60 mL deionized water, followed by addition of 90mg of GQD powder. Through a customized microplasma processing, a highly cross-linked SDNC with only 4. Shen et al. Therefore, discovering the significant potential of graphene quantum dots in removing pesticides and enhancing the features of various adsorbents such as hydrogel, MOF, aerogel, and hydrogel beads can be a precious achievement [17], [18], [19]. Suitably functio Quantum dot hydrogels and xerogels have been developed to encapsulate enzymes, establishing systems that merge biocatalysis with fluorescence signaling. The polymerization was carried out with different feeding ratios of N-vinyl imidazole (0. In this work, graphene quantum dots (GQDs) were incorporated into 3DG via one-step hydrothermal treatment of GQDs and graphene oxide A freestanding graphene quantum dot embedded hydrogel has been developed for the fluorometric detection of iron from municipal reticulated water. 389-397 Synergistically enhanced activity of graphene quantum dots/graphene hydrogel composites: A novel all-carbon hybrid electrocatalyst for metal/air batteries[J] Nanoscale, 8 (22) (2016), pp. The presence of NGQDs in the hydrogel can accelerate and improve the loading capacity of Highly conductive hydrogels of functional graphene quantum dots (FGQDs) and polypyrrole (PPy) incorporated polyacrylic acid (FGQDs/PAA 20 /PPy) were fabricated through chemical cross-linking and in-situ polymerization. Search 221,207,029 papers from all fields of science. Graphene oxide quantum dots (GOQD) covalently immobilized in hydrogels have shown great promise as artificial enzymes for the photodegradation of the organic dye rhodamine B (RhB). Functionalized graphene oxide quantum dots (GOQDs)–poly(vinyl alcohol) (PVA) hybrid hydrogels were prepared using a simple, facile and Plasma-Enabled Graphene Quantum Dot Hydrogels as Smart Anticancer Drug Nanocarriers Small. GQDs are nanosized graphene fragments containing functional groups such as hydroxyl, carboxyl, We report a novel method to prepare graphene quantum dots (GQDs) from graphene hydrogels. 2020. , Malik Graphene quantum dots (GQDs) are very precious, widely used, and face significant challenges in preparation methods. Hydrogels are a kind of soft-wet material composed of large amounts of water This research investigated the utilization of graphene quantum dot/montmorillonite (GQD/MMT) as an effective nanofiller in a hydrogel composed of salep biopolymer. In this work, novel antibacterial flexible polymeric hydrogel films were designed via crosslinking polymeric chitosan (CS) with folic acid-based carbon quantum dots (CQDs). Each scaffold component brings major synergistic advantages over the current alloy-based state of the art, including (1) Quantum dots-hydrogel composites are promising new materials that have attracted extensive attention due to their incomparable biocompatibility and acceptable biodegradability, leading to enormous potential applications for various fields. Samples preparation To optimize and validate the proposed nanocomposite, human urine samples were provided from healthy volunteers. It shows wide absorption spectra ranging from UV to visible wavelengths. 124 utilizing graphene quantum dots, which acted as photoinitiating reagents, as shown in Figure 15. Due to the characteristics of the prepared CMC-based hydrogel nanocomposite beads such as mildness, simplicity, and the creation of small and uniform shapes Graphene quantum dots (GQDs) are nanoscale particles of graphene, typically having a diameter of less than 20 nm. Carbon-based QDs are represented by carbon A highly efficient poly(N-vinyl imidazole)/nitrogen-doped graphene quantum dot nanocomposite hydrogel is designed for the adsorptive removal of cadmium, nickel, and chromium ions from aqueous Request PDF | Antibacterial composite hydrogels of graphene quantum dots and bacterial cellulose accelerate wound healing | The increased antibiotic resistance of pathogenic bacteria requires Doxorubicin loaded carboxymethyl cellulose/graphene quantum dot nanocomposite hydrogel films as a potential anticancer drug delivery system. 2017. Graphene quantum dots (GQDs) have been suggested as an enhancement for osteogenic differentiation. View in Scopus Google Scholar [14] Y. J. Tam et al. The polymerization was carried out with dif- carbon nanotubes, graphene and graphene quantum dots (GQDs), display antibacte-rial properties [21]. Inorganic QDs include III-V QDs [26], II-VI QDs [27], alloying QDs [28], etc. Virtually, a To harness hydrogels’ unique properties and functions, new technologies devoted to the development of various biomimetic structures and devices based on the innovative combination of nanomaterials, particularly graphene quantum dots (GQDs), hold the promise of conferring superior functionality to the nanocomposite hydrogel with applications in diverse Graphene quantum dot-based hydrogel microspheres for sensitive detection of caffeic acid. Download: Download high-res image (222KB) Download: Download full-size image; Schematic illustration of the preparation of GH-GQD. Herein, we adopted a two-step filling method to fill dual-responsive precursor (containing NIPAM and DMAEMA) and graphene quantum dots (GQDs) self-healing precursor (containing dithiothreitol (DTT) and borax) into the interstices and holes, and the stable multi-responsive self-healing structural color hydrogel was obtained, which integrated the properties The graphene quantum dot (GQD), unlike the other graphene derivatives, is known to have distinctive optical properties showing size and edge-dependent fluorescence properties [24,30,31,32,33,34,35,36,37,38]. 5 c). To end this, folic Graphene quantum dot (GQD) integration into hydrogel matrices has become a viable approach for improving drug delivery and bioimaging in cancer treatment in recent years. 10. View in Scopus Google Scholar [27] C. Green synthesis of fluorescent carbon dots/hydrogel nanocomposite with stable Fe3+ sensing capability. 118 Corpus ID: 208169936; Graphene Quantum Dot Cross-linked Carboxymethyl Cellulose Nanocomposite Hydrogel for pH-Sensitive Oral Anticancer Drug Delivery with Potential Bioimaging Properties. Here, we address the dual functions of graphene quantum dots (GQDs), one to trigger the synthesis of hydrogel as photoinitiators and the This work reports the development of plasma-engineered smart drug nanocarriers (SDNCs) containing chitosan and nitrogen-doped graphene quantum dots (NGQDs) for drug delivery in a pH-responsive manner. In the search for new building blocks of nanofibrillar hydrogels, cellulose nanocrystals (CNCs) have attracted great interest because of their sustainability, biocompatibility, ease of surface functionalization, and mechanical strength. Each scaffold component brings major synergistic advantages over the current alloy-based In this work, copper acetate was used as a new physical crosslinker to prepare carboxymethylcellulose (CMC) based hydrogel nanocomposite beads. The morphology and characterization of the probe were studied . 1002 we introduce graphene quantum DOI: 10. Valcarcel M. , 242 ( 2023 ) , Article 124587 Incorporation of new functional components into a three-dimensional graphene (3DG) framework improves the performance of supercapacitors based on 3DG as electrodes by tailoring the framework’s structure and properties. Search. Antton Ibarbia, , Virginia Ruiz. The BC was successfully loaded with approximately 11. However, the potential toxicity of GQDs limits the application of GQDs in biological fields [5]. DOI: 10. Semantic Scholar's Logo. Even though CNCs and GQDs are both negatively charged, they demonstrate that hydrogen bonding and hydrophobic interactions may overcome the electrostatic repulsion between these nanoparticles to produce a physically Doxorubicin loaded carboxymethyl cellulose/graphene quantum dot nanocomposite hydrogel films as a potential anticancer drug delivery system. Two series of pH-sensitive poly (N-vinyl imidazole)/nitrogen-doped graphene quantum dots nanocomposite hydrogels (PVI/NGQD) were synthesized successfully via an in situ polymerization approach. Show more. View PDF View article View in Scopus Google Scholar [30] N. The Graphene Quantum Dots for Fluorescent Labeling of Gelatin‐Based Shear‐Thinning Hydrogels. Eng. , 2013; Sun, Wu, Wei, & Plasma engineering of nitrogen-doped graphene quantum dot (NGQD) hydrogels with 3D robust, porous, and photoluminescence (PL) properties. The behavior of quantum dots (QDs) in solution and their interaction with other surfaces is of great importance to biological applications, such as optical displays, animal tagging, anti-counterfeiting dyes Both Quantum Dots and Hydrogel can contain graphene. 9). Moreover, if these scaffolds are based on strong bonds, the stability of the resulting materials can be preserved, thus enhancing their Polysaccharides are among the most potent materials for wound dressing construction. In-vivo studies were done to study the lung metastasis by melanoma cancer and the results showed a rational favorable prognosis which was confirmed by evaluating hematological parameters and the non-immunogenic nature of nanohydrogel by cytokine assay. 1796-1805, 10. Iron sensing is rapid and selective, while the hydrogel provides a robust Graphene quantum dots (GQDs) are zero-dimensional graphene nanoparticles that retain the highly crystalline structure of single- or few layer graphene. GOQDs@SF/CS (GSC) h Functionalized graphene oxide quantum dots (GOQDs)-poly(vinyl alcohol) (PVA) hybrid hydrogels were prepared using a simple, facile and cost-effective strategy. , Rani P. Graphene quantum dot (GQD)-crosslinked hydrogels (GQDHGs) are a novel class of cancer drug delivery systems, which possess several advantages in theranostics. Xu, Z. Skip to search form Skip to main content Skip to account menu. CDs-9 was prepared by refluxing a mixture of XC-72 carbon black and HNO3 aqueous solution for 72 h (Fig. The semi-IPN hydrogel was synthesized using salep as the substrate, acrylamide (AAm) as the monomer, ammonium persulfate (APS) as an ini A novel low-cost fluorimetric platform based on sulfur, nitrogen-codoped graphene quantum dots immersed into nanocellulosic hydrogels is designed and applied in detecting the laccase enzyme. In the first part of the review, Smart Anticancer Drug Nanocarriers. The BiVO 4 /rGH composite photocatalysts exhibited excellent photocatalytic Herein, we adopted a two-step filling method to fill dual-responsive precursor (containing NIPAM and DMAEMA) and graphene quantum dots (GQDs) self-healing precursor (containing dithiothreitol (DTT) and borax) into the interstices and holes, and the stable multi-responsive self-healing structural color hydrogel was obtained, which integrated the properties Hydrogels are 3D-crosslinked networks that mimic the physicochemical and biological properties of the tissue environment. Guang-Yu Lee et al. Hydrogel nanocomposite microspheres prepared based on carboxymethylcellulose (CMC) have received widespread attentions due to their many advantages, such as mild, simple, compact, and uniform The graphene quantum dots (GQDs) are a 0-dimensional graphene-based material extensively used in antimicrobial applications due to its rapid bactericidal capability [3], [4]. 90. Z. To further develop the application potential of prepared hydrogel, lithium chloride (LiCl) with superior hydration is introduced to Here, we develop a plasma nanotechnology-enhanced graphene quantum dot (GQD) hydrogel-magnesium (Mg) composite scaffold for functional bone defect repair by integrating a bioresource-derived nitrogen-doped GQD (NGQD) hydrogel into the Mg ZK60 alloy. Structure and morphology of freeze/thawed PVA hydrogels. 11 To achieve this objective, researchers have developed hydrogel nanocomposites by incorporating carbon materials [14], quantum dots [15], and metal complexes [16] with retaining hydrogel properties and increasing high drug loading, constant drug release capacities, and ease of preparation [17]. 5. 105407. Alloy. GQDs are endowed with the properties of both carbon dots (CDs) and graphene. A. Thus, the PTH-G hydrogel is expected to have ultralow hysteresis and detect Cu 2+ visually. The dry powder formulation was produced under aseptic conditions and evaluated in vitro and in vivo. 127351; The preparation of a graphene 1. Materials Science and Engineering: C (2018) T. Graphene quantum dots (GQD) are single or few The hydrogel remained unaltered after several swelling-deswelling cycles and was nanostructured with graphene quantum dots to test its capacity for polyaromatic molecule sensing. Due to their distinct physicochemical characteristics, graphene quantum dots (GQDs) have attracted interest as adaptable nanomaterials for Journal of Materials Chemistry B Recent The hydrogen evolution reaction performance of semiconducting 2H-phase molybdenum disulfide (2H-MoS2) presents a significant hurdle in realizing its full potential applications. 02–0. The composite structures were prepared using an in-situ growth method. [Google Scholar] 211. doi: 10. also used hydrogel composed of graphene as the photothermally responsive active site for photothermal therapy and N-acryloyl glycinamide as the scaffold. The product was washed with water and ethanol, Semantic Scholar extracted view of "Graphene quantum dot-based hydrogel microspheres for sensitive detection of caffeic acid" by Hongyuan Zhang et al. Guo. Graphical abstract. In this study, antibacterial flexible hydrogel films were prepared through a novel crosslinking of biopolymeric chitosan (CS) with silver-sulfur doped graphene quantum dots (Ag@S-GQD). , 2021. Surf. Majumdar, D. Carbohydrate Polymers (2017) O. 29 This material has been used as a sensor of pH, vapors or temperature. In fact, Graphite, as a main source of GQDs, is exfoliated and fragmented under Qin et al. At early stages of the gelation Graphene quantum dots (GQDs) are a zero-dimensional (0D) carbon-based nanomaterial with a unique quantum confinement effect that have captured the eyes of many researchers. To Electrode materials play a crucial role in determining the comprehensive performance of the constructed flexible supercapacitors. Actuators B Chem. Novel graphene hydrogel/B-doped graphene quantum dots composites as trifunctional electrocatalysts for Zn−air batteries and overall water splitting Graphene quantum dot (GQD) integration into hydrogel matrices has become a viable approach for improving drug delivery and bioimaging in cancer treatment in recent years. Herein, a simple synthesis method was reported to fabricate soft polypyrrole (PPy) hydrogels with in situ-doped sulfonated graphene quantum dots (sGQD). Sens. The dual-network G/SA hydrogel formed by cross-linking has good mechanical properties, and It is found by Justin et al. Gogoi, M. 18 mol/L) or Graphene-based nanomaterials are becoming common consumer products due to their outstanding charge carrier ability, high specific surface area, high thermal stability, and great potential for environmental decontamination. 7 wt% of GQDs. 1016/j. • Equilibrium in the optical signal of S,N-graphene quantum dots in presence of laccase was achieved faster within hydrogels. This study aimed to investigate the ability of the fibrin hydrogel scaffold in the presence of graphene quantum dots to promote osteogenic An innovative strategy for construction of pH-responsive supramolecular hydrogel from graphene quantum dots clusters toward integration of detection and removal of uranium. Due to their distinct physicochemical characteristics, graphene quantum dots (GQDs) have attracted interest as adaptable nanomate Doxorubicin loaded carboxymethyl cellulose/graphene quantum dot nanocomposite hydrogel films as a potential anticancer drug delivery system. (2022) There are more references available in the full text version of this article. J Biomed Mater Res B Appl Biomater, 110 (2022), pp. Graphene quantum dots (GQDs) embedded into synthesized Amoc (N-anthracenemethyloxycarbonyl) capped aromatic amino acid based units in completely aqueous environments exhibit blue light emitting self-healable In this chapter, we systematically delineate the recent advances in GQD hydrogel composites with a focus on their synthesis, applications and future perspectives. DOI: In this study, graphene quantum dots/hydrogel nanocomposite was used to determine cisplatin concentration in urine samples. Biodegradability, tunable fluorescence, and high biocompatibility Graphene quantum dots nested in the graphene hydrogel have been proposed as excellent all-carbon hybrid oxygen reduction reaction (ORR) catalysts, indicative of their great potential in primary Doxorubicin loaded carboxymethyl cellulose/graphene quantum dot nanocomposite hydrogel films as a potential anticancer drug delivery system. Acta Graphene quantum dots (GQDs) are a newly developed class of material, known as zero-dimensional nanomaterials, with characteristics derived from both carbon dots (CDs) and graphene. The unique attributes of GQDs include low toxicity, good solubility, tunable photoluminescence (PL), biocompatibility, and photo-induced electron transfer. (2017) B. His research interests encompass various areas such as membrane separation processes, hydrogels’ Furthermore, the hybrid hydrogel color matrix was prepared by utilizing its excellent quantum dots fluorescent properties, dynamically adjustable structural color, multi-responsive, and self Graphene quantum dots (GQDs), owing to their unique optical, electrical, and chemical properties, have emerged as promising nanomaterials for various biomedical applications. Enormous efforts were devoted to the GQDs synthesis (bottom-up and top-down methods) and determination of their properties (Li et al. The influence of edge structure on the electronic properties of graphene quantum dots Graphene quantum dots (GQDs) are disk-like graphene-based nanomaterials with a lateral size range that is low enough to present the quantum confinement and edge effects [20]. To end this, S-GQDs were first synthesized from citric acid and 3 Graphene quantum dots-hybrid hydrogel as an avant-garde biomimetic scaffold for diabetic wound healing Biomater Adv. Chowdhury. Search 222,814,974 papers from all fields of science. Sign In Create Free Account. School of Chemical Engineering, University of Ulsan, Ulsan, 44160 Republic of Korea. Graphene-incorporated hybrid hydrogels have been developed for various biomedical and nonbiomedical applications. Author links open overlay panel Hongyuan Zhang a, Jieqiong Wang b, Ce Han c. GQDs are a distinct from the type of carbon in carbon nanodots (CNDs) and polymer dots (PDs). Even though CNCs and GQDs are both negatively charged, they demonstrate that hydrogen bonding and hydrophobic interactions may overcome the electrostatic repulsion between these nanoparticles to produce In this work, the gelation mechanism of graphene quantum dots (GQDs) into hydrogels is investigated using dynamic light scattering and ultraviolet-visible techniques. This review provides a comprehensive overview of the latest advancements in the utilization of GQDs in tissue engineering, wound healing, drug delivery systems, and other biomedical therapies. Herein, a facile, one-step hydrothermal route to synthesize novel all-carbon-based composites composed of B-doped graphene quantum dots anchored on a graphene hydrogel (GH-BGQD) is demonstrated. Photodynamic Download Citation | On Sep 18, 2023, Pei-Chun Wong and others published Plasma-Enabled Graphene Quantum Dot Hydrogel–Magnesium Composites as Bioactive Scaffolds for In Vivo Bone Defect Repair Graphene quantum dots (GQDs), carbon quantum dots (CDs), carbon nanodots (CNDs), and carbonized polymer dots (CPDs) are various types of small carbon particles that have different processes during their creation. Hydrogels are prepared through the hydrothermal reduction of concentrated GQDs solutions (20–50 mg/mL) using l-ascorbic acid as the reducing agent. To synthesize N-doped graphene quantum dots (NGQDs) with varied doping levels, varying amounts of ammonium Background To provide effective healing in the wound, various carbohydrate polymers are commonly utilized that are highly potent platforms as wound dressing films. W. Let me explain. Most significantly, the hydrogel wearable devices can capture the signals of pulse beating and breathing, which are so light that they are hard to be Similarly, hydrogels with embedded quantum dots show new fluorescence properties, “Top-down” uses larger carbon materials like graphene and nanotubes as precursors, breaking them down into CDs through methods like laser ablation. In this work, a novel hydrogel nanocomposite films with anticancer properties were designed via incorporation of graphene quantum dot (GQD) as a nanoparticle into carboxymethyl cellulose (CMC) hydrogel and using doxorubicin (DOX) as drug model with Fluorescence based on quantum confinement is a property restricted to the nanoscopic range. Photoluminescent sensing hydrogel platform based on the combination of nanocellulose and S, N-codoped graphene quantum dots. Graphene Quantum Dots (GQDs) GQDs hold sp 2 hybridised carbon single-layer nanocrystals and they are highly fluorescent, regardless of whether they are in an aqueous or solid state [36,37]. Aleemardani, A. • The resulting hydrogels exhibited fluorescence quenching in presence of laccase. Among, graphene quantum dot (GQDs)-crosslinked hydrogels (GQDHGs) Niladri S, Gyanaranjan S, Sarat KS (2020) Graphene quantum dot decorated magnetic graphene oxide filled polyvinyl alcohol hybrid hydrogel for removal of dye pollutants. Graphene quantum dot engineered nickel-cobalt phosphide as highly efficient bifunctional The graphene quantum dots (GQDs) are a 0-dimensional graphene-based material extensively used in antimicrobial applications due to its rapid bactericidal capability [3], [4]. Compd. Here, glucose underwent graphitization in a boric acid environment to form BGQD, whereas GO self-assembled to form Flexible supercapacitor electrode based on lignosulfonate-derived graphene quantum dots/graphene hydrogel. The casting was used as a simple method for the preparation of the CMC/GQDs films. The sulfonic acid groups rimming the graphene quantum dots (GQD) Ultrasound-assisted adsorption of chlorpyrifos from aqueous solutions using magnetic chitosan/graphene quantum dot-iron oxide nanocomposite hydrogel beads in batch adsorption column and fixed bed Int. Tran Van Tam, Tran Van Tam. (GelMA) based hydrogels loaded with reduced graphene oxide (rGO) for Near-infrared (NIR) emissive nanomaterials are desired for bioimaging and drug delivery applications due to the high tissue penetration depth of NIR light, enabling in vitro/ex vivo/in vivo fluorescence tracking. 2017; 245:946–953. Therefore, nanomedicine has the capability to enhance the well-being of cancer patients, enhance penetration into cancerous tissues, and decrease the adverse effects of chemotherapy. Appl. Graphene quantum dot nanoparticles (GQDs) have recently gained an increasing attention, because of their strong quantum confinement and edge effects (Javanbakht & Namazi, 2017; Ritter & Lyding, 2009). The presence of NGQDs in the hydrogel can accelerate and impr Creating anticancer properties in the hydrogel film could make it as a candidate for treating cancer tissues. A novel low-cost fluorimetric platform based on sulfur, nitrogen-codoped graphene quantum dots immersed into nanocellulosic hydrogels is designed and applied in detecting the laccase enzyme. Ritter, J. Crosslinking strategies for silk Bioactive and mechanically stable metal-based scaffolds are commonly used for bone defect repair. This hydrogel showed acceptable antibacterial activity against MRSA, and this depends on photothermal therapy because of its photothermic responsive ability. As we move forward most will include this substance. 50-59. In this study, three mechanical methods are investigated for the preparation of GQDs. Peppas. Barooah, G. Hydrogel and Quantum Dots. This method did not require additional treatments such as the centrifugation, filtration Graphene quantum dots (GQDs) are graphene-based nanomaterials . Solouk, H. M. C, 87 (2018), pp. Preparation of NIR-responsive, ROS-generating and antibacterial black phosphorus quantum dots for promoting the MRSA-infected wound healing in diabetic rats. 00 mol/L), MBA (N,N′- methylene-bis-acrylamide) (0. A three-dimensional network of polyvinyl alcohol hydrogel was composited with graphene quantum dots and used as a probe for the determination of cisplatin. Bioinspired injectable self-healing hydrogel sealant with fault-tolerant and repeated Request PDF | Plasma-Enabled Graphene Quantum Dot Hydrogels as Smart Anticancer Drug Nanocarriers | One of the major challenges on the way to low-cost, simple, and effective cancer treatments is Graphene-incorporated hybrid hydrogels have been devel-oped for various biomedical and nonbiomedical applica-tions. Applied Surface Science, Volume 527, 2020, Article 146937. Materials Advances, 3 (20) (2022), pp. Calcinated tea and cellulose composite films and its dielectric and lead adsorption properties. Graphene oxide quantum dots (GOQD) covalently immobilized in hydrogels have shown great promise as artificial enzymes for the photodegradation of the organic dye rhodamine B (RhB). J Q Tian, J Chen, J Y Liu, et al. [51–54] For instance, 3D graphene hydrogel networks incorporated with nickel-based mesoporous nanosheets, nano-flowers, or CoO quantum dots have demonstrated promising application as electrodes in supercapacitors. 1002/JBM. pH-dependent luminescence properties and bright fluorescence when interacting with polymers such as chitosan-based hydrogels and Herein, graphene quantum dots (GQDs) were introduced as a novel and safe crosslinker for carboxymethyl cellulose to make biodegradable and biocompatible hydrogels. 25,26 The obtained hydrogel was kept at 4 °C for further experiments. Polym. Hassan, N. In this investigation, blue-emitting graphene quantum dots (B,N-GQDs) were synthesized via a single-step hydrothermal method in an ethanol/water mixture Ibarbia et al. In this study, a versatile hydrogel dressing with antibacterial and angiogenic activity composite of silk fibroin (SF), chondroitin sulfate (CS), and graphene oxide quantum dots (GOQDs) is fabricated. Encapsulation of graphene quantum dot-crosslinked chitosan by carboxymethylcellulose hydrogel beads as a pH-responsive bio-nanocomposite for the oral delivery agent International Journal of Biological Macromolecules, Volume 123, 2019, pp. apsusc. 2023 May;19 (SDNCs) containing chitosan and nitrogen-doped graphene quantum dots (NGQDs) for drug delivery in a pH-responsive manner. , Soni U. Electrochim. In recent research, drug delivery systems based on graphene quantum dots have been developed using a wide range of molecules, including drugs, polymers, and nanoparticles [11], [12], [13]. Download : Download high-res image (222KB) Download : Download full-size image; Schematic illustration of the preparation of GH-GQD. tum dots nanocomposite hydrogels (PVI/NGQD) were synthesized successfully via an in situ polymerization approach. GQDs exhibit several ideal properties, including the potential to absorb incident energy, high water solubility, tunable photoluminescence, good stability, high drug-loading capacity, A highly efficient poly(N-vinyl imidazole)/nitrogen-doped graphene quantum dot nanocomposite hydrogel is designed for the adsorptive removal of cadmium, nickel, and chromium ions from aqueous solution. Boron and phosphorus are major dopants for graphene, Abstract At present, cancer is the primary reason for mortality on a global scale. To further develop the application potential of prepared hydrogel, lithium chloride (LiCl) with superior hydration is introduced to Furthermore, chemically crosslinked hydrogels based on carbon dots have been described in the literature. GOQDs bearing different surface functional groups were introduced as the cross-linking agent into the PVA matrix thereby resulting in gelati In this work, a novel hydrogel nanocomposite films with anticancer properties were designed via incorporation of graphene quantum dot (GQD) as a nanoparticle into carboxymethyl cellulose (CMC Request PDF | Graphene quantum dots-hybrid hydrogel as an avant-garde biomimetic scaffold for diabetic wound healing | In the age of fathoming biomedical predicaments, ardently emerged the field Graphene quantum dots were produced by top-down technique using graphite as matrix, and fully characterized by Raman spectroscopy, atomic force microscopy, and X-ray diffractometry. Graphene quantum dot (GQD) integration into hydrogel matrices has become a viable approach for improving drug delivery and bioimaging in cancer treatment in recent years. In this investigation, blue-emitting graphene quantum dots (B,N-GQDs) were synthesized via a single-step hydrothermal method in an ethanol/water mixture utilizing 3-APBA as the nitrogen and boron sources. cej. created a cellulose conductive hydrogel-based flexible self-powered perspiration sensor. Zhangji, B. Herein, graphene quantum dots (GQDs) were introduced as a novel and safe crosslinker for carboxymethyl cellulose to make biodegradable and biocompatible hydrogels. 146937; A hydrogel formed from CNCs and graphene quantum dots (GQDs) has been reported (Figure 8) in terms of its characteristics and versatility . reported a graphene oxide quantum dot (CDs-9) based hydrogel functionalized by the cross-linkable 3-(triethoxysilyl)propyl methacrylate (MPS) group (CDs-9-MPS-A50coS50) to photodegrade rhodamine B (RhB) [45]. Various photographs for preparing three-dimensional graphene (3DG) (A,D,G,J), graphene quantum dots (GQDs)/3DG-40 (B,E,H,K) and GQDs/3DG-80 (C,F,I,L) via one-step hydrothermal method including synthetic hydrogel, reaction solution before and after hydrothermal treatment, and residual solution after picking out hydrogel. (2022) proposed a therapeutic strategy involving the modification of graphene quantum dots (GQDs) with polymers, such as polyethylene glycol Graphene quantum dots are the miniature of graphene oxide nanostructure with size < 10 nm, Functionalization of polyvinyl alcohol hydrogels with graphene oxide for potential dye removal. Sung Gu Kang, Sung Gu Kang. “Bottom-up” involves constructing CDs from small molecules via hydrothermal treatment or microwave Graphene quantum dots (GQDs) are an attractive nanomaterial consisting of a monolayer or a few layers of graphene having excellent and unique properties. Dynamically crosslinked carbon After preparing the hydrogel, 30 mL graphene quantum dot was added and stirred for 10 minutes to prepare the GQDs/PVA hydrogel nanocomposite. For example, Mei et al. and the pH-sensitive release from a hydrogel of GO and gelatin . View PDF View article View in Scopus Google Scholar [20] K. In this study, we report the construction of a novel composite photocatalyst (BiVO 4 /rGH) composed of quantum dots (QDs) self-decorated BiVO 4-nanoparticels (NPs) and reduced graphene hydrogel (rGH). B. These CdTe quantum dot hydrogels showcase In this work, the gelation mechanism of graphene quantum dots (GQDs) into hydrogels is investigated using dynamic light scattering and ultraviolet-visible techniques. Cheng et al. Although most of methods for detecting laccase are based on their catalytic activity, which is strongly dependent on environmental parameters, we report a sensitive and Furthermore, the HBA–AMPS–graphene (HAG) hydrogel-based flexible wearable devices can monitor various human movements from tiny scale (breathing and speaking) to large scale (such as elbow and knee joint movement). 5% of NGQD ratio can exhibit enhanced This research project focused on creating a new hydrogel combining carboxymethyl chitosan (CMCS), graphene quantum dots (GQDs), pectin (Pe), and MIL-88 for precise and controlled release of the cancer drug doxorubicin (DOX). Cited by (1) Nitrogen and Sulfur Co-Doped Graphene-Quantum-Dot-Based Fluorescent Biodegradable chitosan–magnetic graphene quantum dot (MGQD) nanocomposites were prepared and investigated for the release of small and large molecular weight (MWt) therapeutics from detachable and non-detachable biodegradable microneedle arrays. 11398-11402. Lv et al. Add to Mendeley. Article Google Scholar Huimin H, Bin W, Qi T, Shihao J, Jinyuan L, Huaming L, Chongtai W, Hui X, Yingjie H (2024) Non-metallic nitrogen In this study, we present the synthesis of P-doped graphene quantum dots/reduced graphene hydrogel (PGQDs/GH) composites and investigate their dual roles as photocatalysts and electrocatalysts for seawater splitting to produce hydrogen (H 2). Graphene quantum dots (GQD) are single or few This research investigated the utilization of graphene quantum dot/montmorillonite (GQD/MMT) as an effective nanofiller in a hydrogel composed of salep biopolymer. Graphene hydrogels were prepared using a hydrothermal technique, and GQDs were released from the hydrogels on immersion of the hydrogels in low-polarity organic solvents. 2023 Jun we investigated the creation of graphene quantum dot (GQD)-polyacrylic acid (PAA) hybrid hydrogel. Search 223,685,030 papers from all fields of science. Here, we utilize theoretical calculations to predict possible functionalized graphene quantum dots (GQDs), which can enhance HER activity of bulk MoS2. The hydrogel electrode was made from a cellulose nanocomposite including PANI, TEMPO-oxidized CNFs (TOCNF), and PVA/borax (PVAB). August 2019; Organic Electronics 78:105407; DOI: 10. Miramón 196, 20014 Donostia-San Sebastián, Spain Inorganic Chemistry Department, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain A R T I C LE I N FO A B S T R A C T Keywords: Graphene quantum dot Hydrogel Photocatalysis Dye photodegradation Peroxidase activity Nanozyme Graphene oxide quantum dots (GOQD) covalently immobilized in hydrogels Chronic wounds with bacterial infection present formidable clinical challenges. 006. Ristic et al. 31 have synthesized graphene hydrogel/ B-doped graphene quantum dots (GH-BGQD) composites with a unique 3D architecture, high porosity, and large specific surface area of 320. Search for more papers by this author. In this investigation, hydrogel nanocarriers composed of chitosan (CS), alumina (γ-Al2O3), and Bone tissue engineering is a promising approach to overcome the limitations of traditional autograft bone transplantation. 27,28 For instance, a chemically crosslinked hydrogel based on acrylamide and acrylic acid incorporating graphene quantum dots has been recently prepared as a white light emitting hydrogel. Encapsulation of graphene quantum dot-crosslinked chitosan by carboxymethylcellulose hydrogel beads as a pH-responsive bio-nanocomposite for Moreover, graphene oxide quantum dots have great potential to detect heavy metal ions based on appearance and fluorescence color changes [45]. [55–57] In Graphene quantum dots (GQDs) embedded into synthesized Amoc (N-anthracenemethyloxycarbonyl) capped aromatic amino acid based units in completely aqueous environments exhibit blue light emitting self-healable Hydrogels having mechanical toughness and chemical flexibility were synthesized by Kim et al. It has been shown that the contribution of the quantum confinement in GQDs increases significantly when the lateral size of GQDs is less than 100 nm [20]. 35037. Mirzadeh, A. 2019. Carbon dots rooted agarose hydrogel hybrid platform for optical The present findings indicate a great potential of the graphene hydrogels modified with the functionalized GQDs in fabricating flexible supercapacitor electrodes. • The potential applicability of using amine functionalized GOQDs-PVA hybrid hydrogel in an easy, simple, effective and sensitive method for optical detection of M(2+) (Fe(2+), Co( 2+) and Cu( 2+)) in aqueous media involving colorimetric detection. However, conventional metal-based scaffolds induce nonuniform cell growth, limiting damaged tissue restoration. 1. A highly efficient poly(N-vinyl imidazole)/nitrogen-doped graphene quantum dot nanocomposite hydrogel is designed for the adsorptive removal of cadmium, nickel, and chromium ions from aqueous Here, we develop a plasma nanotechnology-enhanced graphene quantum dot (GQD) hydrogel-magnesium (Mg) composite scaffold for functional bone defect repair by integrating a bioresource-derived nitrogen-doped GQD (NGQD) hydrogel into the Mg ZK60 alloy. The amount of FGQDs, PPy and cross-linker affecting on the morphology, swelling ratio and electrical properties of FGQDs/PAA 20 /PPy Semantic Scholar extracted view of "Quantum dots-based hydrogels for sensing applications" by Jixi Zhang et al. Introduction As the newest member of the carbon nanomaterial family, graphene quantum dots (GQDs) offer attractive properties such as stable photoluminescence (PL), a tunable band gap dependent on quantum Moreover, graphene oxide quantum dots have great potential to detect heavy metal ions based on appearance and fluorescence color changes [45]. In article number 2206813, Neralla Vijayakameswara Rao, Wei-Hung Chiang, and co-workers develop a plasma engineering of nitrogen-doped graphene quantum dot (NGQD) hydrogels with robust, porous and photoluminescence properties. Properties of graphene-based materials can be enhanced by doping with elements. Lyding. 02. , 131 (2014), p. Farokhi, M. Graphene is a zero-bandgap semimetal that displays bandgap closing at Dirac points [2], and its size can be controlled to be from several micrometers to 30 inches [3]. [67] prepared a B-doped graphene quantum dots (BGQD) anchored on a graphene hydrogel (GH-BGQD) by mixing boric acid as a dopant with glucose and graphene oxide (GO) through a one-pot hydrothermal process (Fig. A freestanding graphene quantum dot embedded hydrogel has been developed for the fluorometric detection of iron from municipal reticulated water. Effects of the GQDs percentage on the physicochemical properties of the films were studied, and several Herein, graphene quantum dots (GQDs) were introduced as a novel and safe crosslinker for carboxymethyl cellulose to make biodegradable and biocompatible hydrogels. The synthesized graphene Semantic Scholar extracted view of "Graphene quantum dot-based hydrogels for photocatalytic degradation of organic dyes" by Antton Ibarbia et al. Liang, H. M. wsx hlsxon rxtbau pgliikf qjpj vdvwq eugr rakh bvsqg ttnzeol