Article
Chemistry, Physical
Wenqing Yao, Xian Jiang, Yulian Li, Cuiting Zhao, Linfei Ding, Dongmei Sun, Yawen Tang
Summary: In this study, N-doped graphene anchored Ir nanoparticles were synthesized using a one-pot hydrothermal method. The resulting materials exhibited excellent performance in both oxygen evolution reaction and hydrogen evolution reaction, and showed promising potential as bifunctional electrodes for overall water splitting.
GREEN ENERGY & ENVIRONMENT
(2022)
Article
Green & Sustainable Science & Technology
T. T. Wang, S. C. Lim, C. L. Chiang, Y. J. Shen, P. Raghunath, J. R. Li, Y. G. Lin, M. C. Lin
Summary: A composite photoelectrode B-nGO/H:(NiO/TiO2) NTs with a unique heterostructure nanotube arrays was synthesized. The p-n junction created between p-type NiO and n-type TiO2 facilitates the electron-hole pair separation and interfacial electron transfer. The introduction of boron-doped reduced nanographene oxide nanoparticles (B-nGO NPs) and hydrogenation treatment further optimize the electron-hole separation and enhance the electron transfer. The as-synthesized B-nGO/H:(NiO/TiO2) NTs exhibit a high photocurrent density and an effective photoconversion efficiency under simulated sunlight irradiation.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Chemistry, Physical
Ye Xiong, Ping Zhang, Zhe Wang, Chunde Jin
Summary: Efficient electrical energy conversion can be achieved by refining the size of nonprecious metal-based catalysts and confining them in multiheteroatom-doped hierarchical porous carbon. The ultrasmall Mo2C nanocrystals (us-Mo2C) embedded in N and S double-doped hierarchical porous carbon show improved hydrogen production efficiency due to synergistic effects of size-controlled Mo2C, multidoped heteroatoms, and multiscale assembly structures. This study paves the way for constructing ultrafine nanocrystals and high-value conversion of waste biomass.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Yuanyuan Guo, Qi Huang, Junyang Ding, Li Zhong, Ting-Ting Li, Yue Hu, Jinjie Qian, Shaoming Huang
Summary: A convenient approach was proposed to synthesize ultrafine Mo2C nanoparticles embedded in hierarchically porous N-doped carbon material to obtain ZnMo-MI-1000, which demonstrated satisfying HER performance. The multiporous network of ZnMo-MI-1000 provides effective electrocatalytic kinetics in both acidic and alkaline media, serving as a highly active and durable nonprecious metal electrocatalyst for HER.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Physical
Yang Li, Yuting Luo, Zhiyuan Zhang, Qiangmin Yu, Can Li, Qi Zhang, Zhi Zheng, Huakun Liu, Bilu Liu, Shixue Dou
Summary: Efficient electrocatalytic hydrogen evolution reaction (HER) in alkaline media is important for low-cost hydrogen production in industry. Developing catalysts with ultrafast water dissociation kinetics and decent activity is the main challenge. The two-step pyrolysis method to construct Ru nanoclusters on nitrogen-doped graphene shows exceptional intrinsic activity for alkaline HER, providing insights into the reaction mechanism of Ru-based catalysts under alkaline conditions.
Article
Chemistry, Physical
Xiao-Chun Deng, He-Qiang Chang, Guo-Hua Zhang
Summary: The N-doped graphene supported tungsten carbide nanocomposite exhibited remarkable hydrogen evolution reaction activity and stability in both acidic and alkaline solutions. The electrocatalytic activity of the material remained stable after 1000 cycles in acidic media and slightly decreased in alkaline media, showing potential as a promising non-precious electrocatalyst for the hydrogen evolution reaction.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Chao Liu, Peng-kai Fan, Xiao-qi Xie, Ying-jie Sun, Yan Li, Xiao-jing Wang
Summary: In this study, N-doped graphite carbon (GC) was introduced in situ to MoO2 to improve the photocatalytic activity of ZnIn2S4 (ZIS) in photocatalytic hydrogen evolution reactions (PHERs). The MoO2/GC composite obtained showed well-dispersed active sites and high conductivity, effectively lowering the overpotential of hydrogen evolution. The interface formed between MoO2/GC and ZIS accelerated the transmission of photogenerated electrons, resulting in improved separation efficiency of photogenerated carriers and decreased surface overpotential of PHERs.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Engineering, Environmental
Yanli Chen, Fengyun Su, Haiquan Xie, Ruiping Wang, Chenghua Ding, Jindi Huang, Yixue Xu, Liqun Ye
Summary: S-scheme heterojunctions of S-doped g-C3N4 (SCN) and N-doped MoS2 (NMS) were constructed using a one-step thermal polycondensation method, revealing enhanced NMS purity. The NMS/SCN with an NMS ratio of 19.3 wt% showed the highest photocatalytic activity, with a significantly increased H2 generation rate.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Inorganic & Nuclear
Melika Ghaeini, Mohammad Ali Zanjanchi, Mehrdad Farjood
Summary: This contribution describes the preparation of a nanostructured Cobalt Phthalocyanine/Nitrogen-doped Graphene (CoPc/NG) composite. The resulting product was characterized using various techniques. The photocatalytic activity of the composite was tested for the degradation of 2,4-dichlorophenol (DCP) under visible-light irradiation. The results showed that the CoPc/NG composite exhibited an increased efficiency in DCP degradation, achieving approximately 80% degradation within 135 minutes.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
P. C. Nethravathi, D. Suresh
Summary: Doped semiconductor metal oxide-rGO mediated photocatalysts with large surface area and unique morphologies were synthesized successfully and characterized thoroughly in this study. Among them, Ag-ZnO-rGO nanocomposite exhibited superior performance in H2 evolution, dye degradation, photoluminescence, nitrite sensing, and antioxidant activities.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Article
Engineering, Environmental
Hanxiang Chen, Zhao Mo, Zeming Wang, Pengcheng Yan, Peipei Sun, Guanyu Wu, Jinyuan Zhang, Xianglin Zhu, Liang Wang, Hui Xu
Summary: Mimicking natural photosynthesis by using carbon nitride-based photocatalysts to convert solar power into hydrogen energy has been hindered by the addition of metallic cocatalysts. To overcome this issue, a metal-free photocatalytic system was developed by grafting nitrogen-doped graphene quantum dots (NGQDs) onto porous ultrathin carbon nitride (PUCN). The integration of N-GQDs enhanced the hydrogen production rate of the photocatalyst by 208 times compared to PUCN. This new metal-free photocatalyst outperforms most carbon nitride-based photocatalysts with metallic cocatalysts, offering potential for practical applications in photocatalytic water splitting.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Physical
Xiaoqian Qin, Li Dai, Haibo Li, Konggang Qu, Rui Li
Summary: Based on first-principles density functional theory, this study investigated the structural and electronic properties, as well as the hydrogen evolution reaction (HER) activity, of heterostructures composed of different MXene and N-doped graphene (NDG). The results showed significant electron transfer at the interfaces of the heterostructure, and the addition of MXene modified the electronic structure of the NDG surface. Furthermore, the heterostructure enhanced the adsorption of H on the NDG surface and improved HER activity. The effects of heterostructure types and H coverage rate on HER activity were also investigated. This study suggests that appropriately designed MXene/NDG heterostructures have the potential to be HER catalysts.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Materials Science, Multidisciplinary
Wei Dong, Shi-An Zhou, Yan Ma, Dian-Jun Chi, Rong Chen, Hong-Ming Long, Tie-Jun Chun, Sheng-Jun Liu, Fu-Ping Qian, Kui Zhang
Summary: Designing a heterojunction photocatalyst to improve the separation efficiency of photogenerated electrons and holes is crucial for enhancing hydrogen production efficiency. In this study, we propose a rational design to grow ZnIn2S4 on Mo-MOF-derived N-doped C-coated MoO2 (MOZIS), which exhibits excellent photocatalytic hydrogen production using triethanolamine as a sacrificial agent. The introduction of N-doped C enhances the electron transport efficiency between MoO2 and ZnIn2S4. The optimized nanocomposites of MOZIS demonstrate efficient separation and transfer of photocatalytic charges due to the intimate contact interface and favorable energy band structure between MoO2 and ZnIn2S4. The high hydrogen production efficiency of 10.89 mmol·g(-1) (4 h) under visible light is achieved. MOF-derived N-doped C-coated MoO2 represents an effective strategy to enhance the photocatalytic hydrogen production efficiency of ZnIn2S4.
Article
Chemistry, Physical
Sijie Lv, Yun Hau Ng, Ruixue Zhu, Shuang Li, Chunxiao Wu, Yuxi Liu, Yafei Zhang, Lin Jing, Jiguang Deng, Hongxing Dai
Summary: In this study, a phosphorus vapor assisted synthetic strategy was used to fabricate P-doped ultrathin hollow g-C3N4 photocatalysts, which exhibited high photocatalytic hydrogen evolution performance. The ultrafast time-resolved spectroscopy was employed to reveal the charge dynamics in the P/UH-CNS system.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Multidisciplinary
Yuri Choi, Sungho Choi, Inhui Lee, Trang Vu Thien Nguyen, Sanghyun Bae, Yong Hwan Kim, Jaegeon Ryu, Soojin Park, Jungki Ryu
Summary: This study presents an approach utilizing earth-abundant and non-toxic photocatalysts for efficient hydrogen production and biomass reforming using solar energy. Si flakes (SiF) are used for efficient light-harvesting, and Ni-coordinated N-doped graphene quantum dots (Ni-NGQDs) enable efficient and stable biomass reforming and hydrogen production. The SiF/Ni-NGQDs demonstrate record-high hydrogen productivity and vanillin yield under simulated sunlight. This strategy provides valuable insights for the practical applications of solar energy and biomass refinement.
ADVANCED MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Zhidong Teng, Shiqi Sun, Xin Luo, Zhihui Zhang, Hoseong Seo, Xiaoyu Xu, Jie Huang, Hu Dong, Suyu Mu, Ping Du, Zhijun Zhang, Huichen Guo
Summary: The use of gold nanocages (AuNCs) as adjuvants for foot-and-mouth disease (FMD) virus-like particle (VLP) vaccines has been shown to enhance the vaccine's immunogenicity and immune response against FMD virus (FMDV). Compared to VLP alone, VLP-AuNCs significantly increased the proliferation of CD8(+) T cells and secretion of cellular immune-related cytokines.
NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE
(2021)
Article
Engineering, Biomedical
Xiaoyun Liu, Mingming Hao, Zhongjin Chen, Ting Zhang, Jie Huang, Jianwu Dai, Zhijun Zhang
Summary: 3D bioprinting has been used to fabricate NSC-laden scaffolds for in vivo SCI repair, utilizing a novel bioink with fast gelation and high NSC viability. This method promotes axon regeneration and reduces glial scar deposition, leading to significant locomotor recovery in SCI model rats. It represents a versatile strategy for precise engineering of the central nervous system and other neural tissues for regenerative medicine applications.
Article
Chemistry, Multidisciplinary
Chenggong Yu, Zhongjin Chen, Xiaodi Li, Hongying Bao, Yujie Wang, Bo Zhang, Jie Huang, Zhijun Zhang
Summary: Novel pH-sensitive Au nanotracers were developed for long-term tracking of MSCs in IPF mice, elucidating the migration process and mechanism of MSCs in alleviating IPF. This work provides important insights into the behavior and effects of MSCs in the therapy of IPF.
Article
Materials Science, Biomaterials
Hongying Bao, Yuxuan Li, Chenggong Yu, Xiaodi Li, Yujie Wang, Li Gao, Jie Huang, Zhijun Zhang
Summary: A novel and efficient strategy for tracking hepatocyte growth factor (HGF) secretion in mesenchymal stem cells (MSCs) during idiopathic pulmonary fibrosis (IPF) therapy was developed using a specialized nanoflare tracer. This approach allowed for real-time monitoring of the paracrine process of transplanted MSCs, offering new insights and advancing potential clinical applications for MSC-based IPF therapy.
BIOMATERIALS SCIENCE
(2022)
Review
Biochemistry & Molecular Biology
Chen Gao, Shaoshuai Song, Yinjuan Lv, Jie Huang, Zhijun Zhang
Summary: Electroconductive hydrogels (ECHs) have gained increasing attention in tissue engineering due to their electroconductivity, biocompatibility, and high water content. ECHs can promote electrical signal communication between cells, as well as mediate cell adhesion, proliferation, migration, and differentiation. Furthermore, ECHs can transmit electric signals to electroactive tissues and activate bioelectrical signaling pathways to promote tissue repair. This review provides an overview of ECH classifications, fabrication methods, and their applications in various tissue engineering fields, along with guidelines for designing ECHs for clinical applications.
MACROMOLECULAR BIOSCIENCE
(2022)
Article
Engineering, Biomedical
Hongying Bao, Shengnan Cheng, Xiaodi Li, Yuxuan Li, Chenggong Yu, Jie Huang, Zhijun Zhang
Summary: This study describes a novel strategy for enhancing the therapeutic efficacy and long-term CT imaging tracking of transplanted MSCs in the treatment of idiopathic pulmonary fibrosis (IPF). It involves the use of a dual-functional nanocarrier to genetically engineer MSCs and monitor their biological behavior. This innovative approach holds great promise for stem cell therapy of lung diseases.
Article
Biochemistry & Molecular Biology
Shaoshuai Song, Yuxuan Li, Jie Huang, Zhijun Zhang
Summary: This study proposes a generalizable strategy using complementary polymer network (CPN) bioinks to address the conflict between the printability and cytocompatibility of bioinks in extrusion 3D bioprinting. The CPN bioinks have good printability, shape fidelity, and cytocompatibility, making them suitable for soft tissue construct fabrication.
MACROMOLECULAR BIOSCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Xiaodi Li, Yuxuan Li, Chenggong Yu, Hongying Bao, Shengnan Cheng, Jie Huang, Zhijun Zhang
Summary: This study designs a nanosystem composed of Janus Au/mesoporous silica core/shell nanoparticles for effective therapeutic and real-time tracing of MSCs in IPF therapy. The system enhances the therapeutic efficacy of MSCs by responsive drug release and offers long-term CT imaging tracking of MSCs to understand the cell therapy mechanism.
Article
Engineering, Environmental
Shengnan Cheng, Yuxuan Li, Chenggong Yu, Zongwu Deng, Jie Huang, Zhijun Zhang
Summary: In this study, a biomimetic 3D co-culture metastatic model was used to accurately simulate the behavior of native breast cancer cells and investigate the interactive effects of cancer, vascular, and bone cells. The model allowed for a better understanding of drug resistance in breast cancer cells.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Wei Zhang, Shaoshuai Song, Jie Huang, Zhijun Zhang
Summary: An injectable double network adhesive hydrogel (DNAH) is developed, which possesses robust mechanical strength, strong wet-tissue adhesion, and anti-postoperative tissue adhesion. It can coagulate instantaneously and seal wounds, achieving efficient hemostasis in animal models.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Xiaodi Li, Yuxuan Li, Chenggong Yu, Hongying Bao, Shengnan Cheng, Jie Huang, Zhijun Zhang
Summary: This study reports on a nanosystem composed of Janus Au/mesoporous silica core/shell nanoparticles (Janus NPs) for the treatment of idiopathic pulmonary fibrosis (IPF) and real-time tracking of transplanted mesenchymal stem cells (MSCs). The Janus NPs can anchor on the cell membrane for responsive drug release in the fibrotic lung, improving the therapeutic efficacy of MSCs. They can also enter MSCs for long-term computed tomography (CT) imaging, providing a better understanding of the cell therapy mechanism.
Article
Chemistry, Multidisciplinary
Yujie Wang, Chenggong Yu, Yuxuan Li, Hongying Bao, Xiaodi Li, Haiming Fan, Jie Huang, Zhijun Zhang
Summary: This study developed a nanotracer based on ferrimagnetic vortex iron oxide nanoring for long-term visualization of transplanted human MSCs using MRI. The labeled MSCs showed enhanced MRI contrast and could be continuously monitored for 28 days in liver fibrosis mice. The therapeutic mechanism of the labeled MSCs in liver fibrosis improvement was explored, including the reduction in inflammation and oxidative stress.
Review
Nanoscience & Nanotechnology
Jie Huang, Hongying Bao, Xiaodi Li, Zhijun Zhang
Summary: Stem cell-based therapy shows great promise for treating a wide range of diseases and injuries, but the lack of in-depth understanding about the behavior of transplanted stem cells during therapy hinders its translation to the clinic. Recent advancements in using gold nanoparticles (AuNPs) for computed tomography (CT) imaging tracking of stem cells offer improved cellular uptake and multimodal imaging tracking, providing potential for regenerative medicine and other biomedical applications.
Article
Materials Science, Biomaterials
Han Fu, Chenggong Yu, Xiaodi Li, Hongying Bao, Bo Zhang, Zhongjin Chen, Zhijun Zhang
Summary: Injectable hydrogels with ECM-mimetic properties were prepared through a dual crosslinking strategy, demonstrating excellent cell delivery, bioadhesion, and mechanical performance, making them promising for tissue engineering applications.
JOURNAL OF MATERIALS CHEMISTRY B
(2021)
Article
Materials Science, Biomaterials
Wei Zhang, Liming Zhao, Chen Gao, Jie Huang, Qingwen Li, Zhijun Zhang
Summary: Uncontrolled hemorrhage is a major cause of trauma death, and the development of three-dimensional hemostatic dressings with high elasticity, porous structure, proper blood-absorption, maintenance performance, good blood compatibility, and antibacterial activity is significant for effective bleeding control. The JWCNT/HBC sponges show promising results in vitro and in vivo, offering better antiseptic capability, faster blood clotting ability, and shorter hemostasis time than conventional gelatin sponges. These sponges combine the advantages of JWCNT and HBC in platelet and red blood cell adhesion and activation, making them a potential medical material for trauma hemostasis.
JOURNAL OF MATERIALS CHEMISTRY B
(2021)
