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24篇 您的检索式:作者名="Hongwei Pang"
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1Synthesis of rod-like metal-organic framework(MOF-5)nanomaterial for efficient removal of U(Ⅵ):batch experiments and spectroscopy study显示文摘With the widespread application of radionuclide235 U(Ⅵ), it is inevitable that part of U(Ⅵ) is released into the natural environment. The potential toxicity and irreversibility impact on the natural environment has become one of the most forefront pollution problems in nuclear energy utilization. In this work, rod-like metal-organic framework(MOF-5) nanomaterial was synthesized by a solvothermal method and applied to efficiently adsorb U(Ⅵ) from aqueous solutions. The batch experimental results showed that the sorption of U(Ⅵ) on MOF-5 was strongly dependent on p H and independent of ionic strength, indicating that the dominant interaction mechanism was inner-sphere surface complexation and electrostatic interaction. The maximum sorption capacity of U(Ⅵ) on MOF-5 was 237.0 mg/g at p H 5.0 and T = 298 K, and the sorption equilibrium reached within 5 min. The thermodynamic parameters indicated that the removal of U(Ⅵ) on MOF-5 was a spontaneous and endothermic process. Additionally, the FT-IR and XPS analyses implied that the high sorption capacity of U(Ⅵ) on MOF-5 was mainly attributed to the abundant oxygen-containing functional groups(i.e., CAO and C@O). Such a facile preparation method and efficient removal performance highlighted the application of MOF-5 as a candidate for rapid and efficient radionuclide contamination's elimination in practical applications.Yihan Wu Hongwei Pang Wen Yao Xiangxue Wang Shujun Yu Zhimin Yu Xiangke Wang 2018Science Bulletin2018,63,13:21
2Precise nanomedicine for intelligent therapy of cancer显示文摘Precise nanomedicine has been extensively explored for efficient cancer imaging and targeted cancer therapy, as evidenced by a few breakthroughs in their preclinical and clinical explorations. Here, we demonstrate the recent advances of intelligent cancer nanomedicine, and discuss the comprehensive understanding of their structure-function relationship for smart and efficient cancer nanomedicine including various imaging and therapeutic applications, as well as nanotoxicity. In particular, a few emerging strategies that have advanced cancer nanomedicine are also highlighted as the emerging focus such as tumor imprisonment, supramolecular chemotherapy, and DNA nanorobot. The challenge and outlook of some scientific and engineering issues are also discussed in future development. We wish to highlight these new progress of precise nanomedicine with the ultimate goal to inspire more successful explorations of intelligent nanoparticles for future clinical translations.Huabing Chen Zhanjun Gu Hongwei An Chunying Chen Jie Chen Ran Cui Siqin Chen Weihai Chen Xuesi Chen Xiaoyuan Chen Zhuo Chen Baoquan Ding Qian Dong Qin Fan Ting Fu Dayong Hou Qiao Jiang Hengte Ke Xiqun Jiang Gang Liu Suping Li Tianyu Li Zhuang Liu Guangjun Nie Muhammad Ovais Daiwen Pang Nasha Qiu Youqing Shen Huayu Tian Chao Wang Hao Wang Ziqi Wang Huaping Xu Jiang-Fei Xu Xiangliang Yang Shuang Zhu Xianchuang Zheng Xianzheng Zhang Yanbing Zhao Weihong Tan Xi Zhang Yuliang Zhao 2018Science China Chemistry2018,61,12:19
3Orderly Porous Covalent Organic Frameworks-based Materials:Superior Adsorbents for Pollutants Removal from Aqueous Solutions显示文摘Covalent organic frameworks(COFs)are a new type of crystalline porous polymers known for chemical stability,excellent structural regularity,robust framework,and inherent porosity,making them promising materials for capturing various types of pollutants from aqueous solutions.This review thoroughly presents the recent progress and advances of COFs and COF-based materials as superior adsorbents for the efficient removal of toxic heavy metal ions,radionuclides,and organic pollutants.Information about the interaction mechanisms between various pollutants and COF-based materials are summarized from the macroscopic and microscopic standpoints,including batch experiments,theoretical calculations,and advanced spectroscopy analysis.The adsorption properties of various COF-based materials are assessed and compared with other widely used adsorbents.Several commonly used strategies to enhance COF-based materials’adsorption performance and the relationship between structural property and sorption ability are also discussed.Finally,a summary and perspective on the opportunities and challenges of COFs and COF-based materials are proposed to provide some inspiring information on designing and fabricating COFs and COF-based materials for environmental pollution management.Xiaolu Liu Hongwei Pang Xuewei Liu Qian Li Ning Zhang Liang Mao Muqing Qiu Baowei Hu Hui Yang Xiangke Wang 2021The Innovation2021,2,1:12
4In-situ reduction synthesis of manganese dioxide@polypyrrole core/shell nanomaterial for highly efficient enrichment of U(Ⅵ) and Eu(Ⅲ)显示文摘Radionuclides with long half-life are toxic,and thereby result in serious threat to human beings and ecological balance.Herein,a simple two-step synthesis method was used to prepare manganese dioxide@polypyrrole(Mn O_2@PPy)core/shell structures for efficient removal of U(Ⅵ)and Eu(Ⅲ)from aqueous solutions.The adsorption of U(Ⅵ)and Eu(Ⅲ)were investigated under different kinds of experimental conditions.The experimental results suggested that the adsorption of U(Ⅵ)and Eu(Ⅲ)on Mn O_2@PPy were greatly affected by p H.U(Ⅵ)adsorption on Mn O_2@PPy was independent of ionic strength at p H<6.0,and dependent on ionic strength at p H>6.0.However,Eu(Ⅲ)adsorption on Mn O_2@PPy was independent of ionic strength at the whole p H range of experimental conditions.The maximum adsorption capacities(q_(max))of U(Ⅵ)and Eu(Ⅲ)were 63.04 and54.74 mg g^(-1)at T=298 K,respectively.The BET,XRD,FTIR and XPS analysis evidenced that high adsorption capacities of U(Ⅵ)and Eu(Ⅲ)on Mn O_2@PPy were mainly due to high surface area and rich metal oxygen-containing group(i.e.,Mn–OH and Mn–O),and the interaction was mainly attributed to strong surface complexation and electrostatic interaction.This study highlighted the excellent adsorption performance of U(Ⅵ)and Eu(Ⅲ)on Mn O_2@PPy and could provide the reference for the elimination of radionuclides in real wastewater management.Wen Yao Yihan Wu Hongwei Pang Xiangxue Wang Shujun Yu Xiangke Wang 2018Science China Chemistry2018,61,7:7
5Cytosolic delivery of the immunological adjuvant PolyⅠ:C and cytotoxic drug crystals via a carrier-free strategy significantly amplifies immune response显示文摘Co-delivery of chemotherapeutics and immunostimulant or chemoimmunotherapy is an emerging strategy in cancer therapy.The precise control of the targeting and release of agents is critical in this methodology.This article proposes the asynchronous release of the chemotherapeutic agents and immunostimulants to realize the synergistic effect between chemotherapy and immunotherapy.To obtain a proof-of-concept,a co-delivery system was prepared via a drug-delivering-drug(DDD)strategy for cytosolic co-delivery of Poly I:C,a synthetic ds RNA analog to activate RIG-I signaling,and PTX,a commonly used chemotherapeutics,in which pure PTX nanorods were sequentially coated with Poly I:C and mannuronic acid via stimulating the RIG-I signaling axis.The co-delivery system with a diameter of 200 nm enables profound immunogenicity of cancer cells,exhibiting increased secretion of cytokines and chemokines,pronounced immune response in vivo,and significant inhibition of tumor growth.Also,we found that intracellularly sustained release of cytotoxic agents could elicit the immunogenicity of cancer cells.Overall,the intracellular asynchronous release of chemotherapeutics and immunomodulators is a promising strategy to promote the immunogenicity of cancer cells and augment the antitumor immune response.Xiaoqing Du Yuqi Hou Jia Huang Yan Pang Chenlu Ruan Wei Wu Chenjie Xu Hongwei Zhang Lifang Yin Wei He 2021Acta Pharmaceutica Sinica B2021,11,10:3
6Atomic scale structure dominated FCC and B2 responses to He ion irradiation in eutectic high-entropy alloy AlCoCrFeNi_(2.1)显示文摘Radiation-tolerant materials are widely desired in nuclear reactors. High-entropy alloys(HEAs) exhibiting superior mechanical performance and swelling tolerance are being considered as next-generation nuclear structural materials. However, an understanding of HEAs irradiation tolerance at an atomic scale is still lacking. In this study, the atomic scale irradiation response of AlCoCrFeNi_(2.1), composed of face-centered cubic(FCC) phase and B2 phase, has been systematically investigated at 298 and 723 K. The bubble volume ratio of the B2 phase is much larger than that of the FCC phase under the same irradiation conditions, and hence, the FCC phase has superior swelling tolerance than the B2 phase. Also, order-disorder transformation occurred in both L12and B2 phases. The different irradiation responses between the FCC and B2 phases, depend firstly on composition and secondly on crystal structure. The higher compositional complexity and complicated atomic-level lattice environment of the FCC phase contribute to better radiation performance than B2 phase. The results pave a way for exploring radiation-tolerant structural high-entropy alloys.Jingyu Pang Ting Xiong Wenfan Yang Hualong Ge Xiaodong Zheng Miao Song Hongwei Zhang Shijian Zheng 2022Journal of Materials Science & Technology2022,,34:2
7Construction of CdSe/ZnS quantum dot microarray in a microfluidic chip显示文摘Microarray technology has been proved to be greatly helpful for biomedical and biological diagnosis. And the evaluation of its biological applications lies in the detection sensitivity, which requires high intensity and stability of the signal. Recently, several nanomaterials, especially semiconductor nanomaterials, due to their excellent fluorescence properties, have been widely used to construct microarrays for biosensors. Here, we presented an approach for constructing CdSe/ZnS quantum dot (QD) microarray in microfluidic channels on a glass slide by photolithography. The conditions for immobilizing stable and uniform QD microarray on the glass slide were optimized. Several types of QD microarrays with different emission wavelengths and modified groups were constructed using silanization and lithography technology. Based on the fluorescence quenching effect of Cu2+ on QDs, the microfluidic chip with QD microarray was applied for the determination of Cu2+. 1 nmol/L Cu2+ could be detected by this method.LIU HongWei JING YingYing YU Xu PANG DaiWen ZHANG ZhiLing 2012Science China Chemistry2012,55,4:2
8Assessment and mitigation of coal bump risk during extraction of an island longwall panel显示文摘Yaodong Jiang Hongwei Wang Sheng Xue Yixin Zhao Jie Zhu Xufeng Pang 2012International Journal of Coal Geology2012,,:1
9Radiotherapy for gastric cancer: a systematic review and meta-analysis显示文摘Xiaohui Pang Wanqing Wei Weibing Leng Qi Chen Hongwei Xia Liu Chen Ronghui Li 2014Tumor Biology2014,,:1
10Drying kinetics and quality of Monukka seedless grapes dried in an air-impingement jet dryer显示文摘Xiao Hongwei Pang Changle Wang Lihong 2010Biosystems Engineering2010,105,2:1
11Assessment and mitigation of coal bump risk during extraction of an island longwall panel显示文摘Yaodong Jiang Hongwei Wang Sheng Xue Yixin Zhao Jie Zhu Xufeng Pang 2012International Journal of Coal Geology2012,,:1
12Assessment and mitigation of coal bump risk during extraction of an island longwall panel显示文摘Yaodong Jiang Hongwei Wang Sheng Xue Yixin Zhao Jie Zhu Xufeng Pang 2012International Journal of Coal Geology2012,,:1
13Drying kinetics and quality of Monukka Seedless grapes dried in an air-impingement jet dryer显示文摘Xiao Hongwei Pang Changle Wang Lihong 2010Biosystems Engineering2010,105,2:1
14Drying kinetics and quality of Monukka Seedless grapes dried in an air-impingement jet dryer显示文摘Xiao Hongwei Pang Changle Wang Lihong 2010Biosystems Engineering2010,105,2:1
15Drying kinetics and quality of Monukka Seedless grapes dried in an air-impingement jet dryer显示文摘Xiao Hongwei Pang Changle Wang Lihong 0,,02:1
16Drying kinetics and quality of 'Monukka' seedless grapes dried in an air-impingement jet dryer显示文摘XIAO Hongwei PANG Changle WANG Lihong 2010Biosystems Engineering2010,105,2:1
17Field evalua-tion of a water-cooled cover for cooling sows in hot and humidclimates显示文摘Pang Zhenzhen Li Baoming Xin Hongwei 2011Biosystems Engineering2011,110,4:1
18Drying kinetics and quality of Monukka seedless grapes dried in an air-impingement jet dryer显示文摘Xiao Hongwei Pang Changle Wang Lihong 2010Biosystems Engineering2010,105,2:1
19Simultaneous enhancement of strength and ductility of body-centered cubic TiZrNb multi-principal element alloys via boron-doping显示文摘Body-centered cubic(BCC)multi-principal element alloys(MPEAs)have intrinsic high strength but poor ductility,which greatly limits their potential applications.Here we present the boron-doping strategy to enhance the strength and ductility of TiZrNb MPEAs simultaneously.The yield strength and ductility of the TiZrNb MPEA with boron addition of 500 ppm are increased by 19.0%and 48.7%compared to the boron-free TiZrNb MPEA,respectively.Boron-doping induced high efficiency in grain refinement from~96.0μm to~16.2μm is the main factor for strengthening.Dislocation dominated deformation mechanism involving cross slip and dislocation pining in the TiZrNb containing 500 ppm boron serves to enhance the strain-hardening capacity,resultant the enhancement of ductility from 7.8%to 11.6%.While the planar slip of dislocations is the dominated deformation mechanism for the boron-free TiZrNb.Jingyu Pang Hongwei Zhang Long Zhang Zhengwang Zhu Huameng Fu Hong Li Aimin Wang Zhengkun Li Haifeng Zhang 2021Journal of Materials Science & Technology2021,,19:0
20Local Path Planning Method of the Self-propelled Model Based on Reinforcement Learning in Complex Conditions显示文摘在实际波浪条件下面用一个大规模自己推动的模型进行水动力学和物理运动模拟测试是为研究轮船的环境适应性的一个重要工具。在自己推动的模型的航行测试期间,包括附近的各种各样的港口设备,航行设备,和轮船的复杂环境必须小心地被考虑,因为在这稠密的环境模型上的海波浪和风的影响是特别地重要的。为了改进自己推动的模型,的安全,这份报纸介绍基于加强学习学习的 Q 为模型碰撞回避与混乱想法结合了,以便改进计划的本地路径的可靠性。模拟和海测试结果证明这个算法与好适应性是在海风和波浪的干扰下面的自我航行模型的碰撞回避的一个更好的解决方案。Yi Yang Yongjie Pang Hongwei Li Rubo Zhang 2014Journal of Marine Science and Application2014,13,3:0
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