Mesoporous carbon biomaterials

Chen, Yu; Shi, Jianlin

doi:10.1007/s40843-015-0037-2

Cited by 61 publications

(50 citation statements)

References 109 publications

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“…So it is important to develop a new strategy for the catalytic oxidation of C-H bonds in hydrocarbon. The carbon nanomaterials catalyse the oxidation of C-H bonds as reported in an other works [2]. In this regard, the mesoporous hollow feature of FeMHCs can prevent the low-cost Fe nanoparticles from leaching.…”

Section: Science China Materialsmentioning

confidence: 78%

“…From the higher resolution TEM image (Fig. 2b), it was clearly that the mesopores in the shell of SiO 2 @Fe-mSiO 2 were developed generally in a uniform and orderly fashion (the yellow dotted circle in Fig. 2a).…”

Section: Science China Materialsmentioning

confidence: 99%

“…Mesoporous hollow carbon spheres (MHCs) have attracted increasing attention due to their low density, high surface-to-volume ratios, hollow interior structures and mesoporous textures [1,2]. Compared with conventional mesoporous carbon or active carbon materials, the large internal volume of MHCs can provide a storage space that can serve many functions [3,4].…”

Section: Introductionmentioning

confidence: 99%

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Fe modified mesoporous hollow carbon spheres for selective oxidation of ethylbenzene

Zhang

et al. 2017

Sci. China Mater.

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Fe modified hollow carbon spheres with large cavity and mesoporous shell (Fe-MHCs) were successfully synthesized by a simple pyrolysis and simultaneous deposition method. The organic molecules gases (carbon species) from pyrolysis of polystyrene deposited in the hard template at the catalysis of Fe species existing in the sample during calcination at high temperature. The obtained Fe-MHCs showed uniform spherical morphology with large surface area (924 m 2 g -1 ), mesoporous structure and a certain amount of Fe loaded. The Fe species and the special structure endowed the materials excellent catalytic activity in the oxidation of ethylbenzene to acetophenone. The conversion of 94.5% and the high selectivity to targeted product (97.4%) could be achieved and the acceptable recycling stability was also exhibited.

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Section: Science China Materialsmentioning

confidence: 78%

Section: Science China Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Fe modified mesoporous hollow carbon spheres for selective oxidation of ethylbenzene

Zhang

et al. 2017

Sci. China Mater.

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“…Recent technological advances in engineering three dimensional (3D) cell cultures have demonstrated prominent improvement in approximation of cell-cell interactions and microenvironmental conditions in vivo, which play a great role in the field of tissue engineering [1][2][3][4][5][6][7][8][9][10][11]. Among them, microcarriers have emerged as novel biomimetic platforms, which offer 3D biomaterial scaffolds for cell encapsulation and aggregate formation [10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Microfluidic generation of Buddha beads-like microcarriers for cell culture

et al. 2017

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The fabrication of functional microcarriers capable of achieving in vivo-like three-dimensional cell culture is important for many tissue engineering applications. Here, inspired by the structure of Buddha beads, which are generally composed of moveable beads strung on a rope, we present novel cell microcarriers with controllable macropores and heterogeneous microstructures by using a capillary array microfluidic technology. Microfibers with a string of moveable and releasable microcarriers could be achieved by an immediate gelation reaction of sodium alginate spinning and subsequent polymerization of cell-dispersed gelatin methacrylate emulsification. The sizes of the microcarriers and their inner macropores could be well tailored by adjusting the flow rates of the microfluidic phases; this was of great importance in guaranteeing a sufficient supply of nutrients during cell culture. In addition, by infusing multiple cell-dispersed pregel solutions into the capillaries, the microcarriers with spatially heterogeneous cell encapsulations for mimicking physiological structures and functions could also be achieved.

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“…However, the currently used classical PSs are aromatic and hydrophobic in nature, and their applications are often limited by their drawbacks, including poor water solubility, unfavorable photostability, and low cancer specificity [7][8][9][10]. Alternative nanostructure hosts containing classical organic PSs have demonstrated improved water solubility and stability; however, most of these methods use nonfunctional polymer-based or silica nanomaterials as carriers, risking the leakage of PS payload from the carriers into the body before reaching their target tumor [11,12]. Nanomaterials, such as TiO 2 [13], tin tungstate nanoparticles [14], ZnO [15], metal nanocluster [16], Cdquantum dots [17], carbon dots [18][19][20], and black phosphorus nanosheets [21], which intrinsically produce 1 O 2 when photoexcited, can overcome these shortcomings.…”

Section: Introductionmentioning

confidence: 99%

Ethylene glycol-mediated synthetic route for production of luminescent silicon nanorod as photodynamic therapy agent

et al. 2017

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One-dimensional silicon nanorod (SiNR) has attracted considerable interest because of its unique morphology and electronic-optical properties that render SiNRs suitable for a broad spectrum of applications, such as fieldeffect transistor, drug carrier, solar cell, nanomechanical device, and lithium-ion battery. However, studies aiming to identify a new synthetic method and apply SiNR in the biomedical field remain limited. This study is the first to use an ethylene glycol-mediated synthetic route to prepare SiNR as a multicolor fluorescent probe and a new photodynamic therapy (PDT) agent. The as-prepared SiNR demonstrates bright fluorescence, excellent storage and photostability, favorable biocompatibility, excitation-dependent emission, and measurable quantity of 1 O 2 (0.24). On the basis of these features, we demonstrate through in vitro studies that the SiNR can be utilized as a new nanophotosensitizer for fluorescence imaging-guided cancer treatment. Our work leads to a new production process for SiNRs that can be used not only as PDT agents for therapy of shallow tissue cancer but also as excellent, environment-friendly, and red light-induced photocatalysts for the degradation of persistent organic pollutants in the future.

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Mesoporous carbon biomaterials

Cited by 61 publications

References 109 publications

Fe modified mesoporous hollow carbon spheres for selective oxidation of ethylbenzene

Fe modified mesoporous hollow carbon spheres for selective oxidation of ethylbenzene

Microfluidic generation of Buddha beads-like microcarriers for cell culture

Ethylene glycol-mediated synthetic route for production of luminescent silicon nanorod as photodynamic therapy agent

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