Journal ArticleDOI
Functional Graphene Nanomaterials Based Architectures: Biointeractions, Fabrications, and Emerging Biological Applications
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TLDR
This review elucidate FGNs-bioorganism interactions and summarize recent advancements on designing FGN-based two-dimensional and three-dimensional architectures as multifunctional biological platforms.Abstract:
Functional graphene nanomaterials (FGNs) are fast emerging materials with extremely unique physical and chemical properties and physiological ability to interfere and/or interact with bioorganisms; as a result, FGNs present manifold possibilities for diverse biological applications. Beyond their use in drug/gene delivery, phototherapy, and bioimaging, recent studies have revealed that FGNs can significantly promote interfacial biointeractions, in particular, with proteins, mammalian cells/stem cells, and microbials. FGNs can adsorb and concentrate nutrition factors including proteins from physiological media. This accelerates the formation of extracellular matrix, which eventually promotes cell colonization by providing a more beneficial microenvironment for cell adhesion and growth. Furthermore, FGNs can also interact with cocultured cells by physical or chemical stimulation, which significantly mediate their cellular signaling and biological performance. In this review, we elucidate FGNs–bioorganism int...read more
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Responsive graphene oxide hydrogel microcarriers for controllable cell capture and release
TL;DR: It was found that the NIR-responsive GO hydrogel microcarriers could prevent the cultured cells from being attacked by the immune system and promote the formation of tumor models in immunocompetent mice, which is desired for tumor and drug research.
Journal ArticleDOI
Tuning oxygen clusters on graphene oxide to synthesize graphene aerogels with crumpled nanosheets for effective removal of organic pollutants
TL;DR: In this paper, a 3D graphene aerogel with crumpled nanosheets has been successfully constructed in aqueous via a common sol-gel process, which exhibits high elasticity and hydrophobicity with superior absorption capacity.
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Degradation-by-design: how chemical functionalization enhances the biodegradability and safety of 2D materials
TL;DR: A large number of graphene and other 2D materials are currently used for the development of new technologies, increasingly entering different industrial sectors and will help to better understand their biodegradation processes, and will stimulate the chemists to explore new chemical strategies to design safer products, composites and devices containing2D materials.
Journal ArticleDOI
Micelle-Embedded Layer-by-Layer Coating with Catechol and Phenylboronic Acid for Tunable Drug Loading, Sustained Release, Mild Tissue Response, and Selective Cell Fate for Re-endothelialization.
Lu Jiang,Weihua Zhuang,Linhua Li,Bo Zhang,Li Yang,Dongping Liu,Hongchi Yu,Rifang Luo,Yunbing Wang +8 more
TL;DR: The systematic in vitro and in vivo study found that a catechol-phenylboronic acid-enhanced LBL coating with drug loading would also address enhanced antiplatelet adhesion/activation and direct cell fate of endothelial cells and smooth muscle cells via tuning of coating cycles and loaded drugs.
Journal ArticleDOI
Graphene-based nanofluids: A comprehensive review about rheological behavior and dynamic viscosity
TL;DR: In this paper, a comprehensive overview of the current knowledge and results about the rheological properties of graphene-based nanofluids is given, and the impact of base fluid, temperature, concentration and surfactant on viscosity enhancement is graphically and newly presented and discussed.
References
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Journal ArticleDOI
The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
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Mussel-Inspired Surface Chemistry for Multifunctional Coatings
TL;DR: Inspired by the composition of adhesive proteins in mussels, dopamine self-polymerization is used to form thin, surface-adherent polydopamine films onto a wide range of inorganic and organic materials, including noble metals, oxides, polymers, semiconductors, and ceramics.
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Processable aqueous dispersions of graphene nanosheets
TL;DR: It is reported that chemically converted graphene sheets obtained from graphite can readily form stable aqueous colloids through electrostatic stabilization, making it possible to process graphene materials using low-cost solution processing techniques, opening up enormous opportunities to use this unique carbon nanostructure for many technological applications.
Journal ArticleDOI
A roadmap for graphene
Kostya S. Novoselov,Vladimir I. Fal'ko,Luigi Colombo,Paul Gellert,M. G. Schwab,Kyoung-Soo Kim +5 more
TL;DR: This work reviews recent progress in graphene research and in the development of production methods, and critically analyse the feasibility of various graphene applications.
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Roll-to-roll production of 30-inch graphene films for transparent electrodes
Sukang Bae,Hyeongkeun Kim,Youngbin Lee,Xiangfan Xu,Jaesung Park,Yi Zheng,Jayakumar Balakrishnan,Tian Lei,Hye Ri Kim,Young Il Song,Young Jin Kim,Kwang S. Kim,Barbaros Özyilmaz,Jong Hyun Ahn,Byung Hee Hong,Sumio Iijima,Sumio Iijima +16 more
TL;DR: The roll-to-roll production and wet-chemical doping of predominantly monolayer 30-inch graphene films grown by chemical vapour deposition onto flexible copper substrates are reported, showing high quality and sheet resistances superior to commercial transparent electrodes such as indium tin oxides.