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Graphene: Tunable superdopingAssociated Content

Nature Energy 2016年第4期1卷 1-2页

作者： Liming Dai Liming Dai is in the Department of Macromolecular Science and Engineering Case Western Reserve University (CWRU) Cleveland Ohio 44106 USA and the BUCT-CWRU International Joint Laboratory College of Energy Beijing University of Chemical Technology (BUCT) Beijing 100029 China.

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Li-Doped ZnO Nanoparticles as Novel Direct Generator of Singlet Oxygen for Potential Photodynamic Therapy Applications

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MRS Online Proceedings Library (OPL) 2015年第1期1784卷 mrss15-2136565-mrss15-2136565页

作者： Milton A. Martínez Julca Ivonnemary Rivera Oscar Perales-Pérez Sonia Bailón Melina Pérez Department of Physics University of Puerto Rico Mayaguez Campus Department of Engineering Science and Materials University of Puerto Rico Mayaguez Campus Department of Chemical Engineering University of Puerto Rico Mayaguez Campus Department of Chemistry University of Puerto Rico in Ponce P.R. Food Science & Technology Program University of Puerto Rico Mayaguez P.R.

Photodynamic therapy (PDT) is an alternative to traditional cancer treatments. This approach involves the use of photosensitizer (PS) agents and their interaction with light. As a consequence, cytotoxic reactive oxygen species (ROS) are generated that, in turn will destroy tumors. On the other hand, ZnO is a biocompatible, nontoxic, and biodegradable material with the capability to generate ROS, specifically singlet oxygen (SO), which makes this material a promising candidate for 2-photon PDT. Doping ZnO with Li species is expected to induce defects in the host oxide structure that favors the formation of trap states that should affect the electronic transitions related to the generation of SO. The present work reports the effect of the level of Li-doping on the ZnO structure and its capability to generate SO. Li-doped ZnO nanoparticles were synthesized under size-controlled conditions using a modified version of the polyol method. XRD measurements confirmed the development of well-crystallized ZnO Wurtzite; the average crystallite sizes ranged between 13.3nm and 14.2 nm, with an increase in Li content. The corresponding band gap energy values, estimated from UV-vis measurements, decreased from 3.33 to 3.25 eV. Photoluminescence (PL) measurements of Li-ZnO revealed the presence of emission peaks centered on 363nm, 390nm, and 556 nm; these emission peaks correspond to the exciton emission, transition of shallow donor levels near of the conduction band to valence band such as interstitial Zn, and oxygen vacancies, respectively. The observed increase of the emission intensity of the 390 nm emission peak, relative to the intensity of the main emission peak at 363nm, was attributed to the promote of trap states due to interstitial Zn or Li-incorporation into the host oxide lattice. SO measurements evidenced the enhancing effect of the Li concentration on the capability of the doped ZnO to generate this species. This Li-dependence of SO generation can be attributed to the

关键词： defects luminescence biomedical

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Correction: An environmentally benign approach to achieving vectorial alignment and high microporosity in bacterial cellulose/chitosan scaffolds

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RSC Advances 2017年第27期7卷 16737-16737页

作者： Guohui Li Avinav G. Nandgaonkar Youssef Habibi Wendy E. Krause Qufu Wei Lucian A. Lucia Key Laboratory of Eco-Textiles Ministry of Education Jiangnan University 1800 Lihu Avenue Wuxi 214122 Jiangsu Province P. R. China Key Laboratory of Pulp and Paper Science & Technology College of Light Chemical & Environmental Engineering Qilu University of Technology Jinan P. R. China Department of Materials Research and Technology (MRT) Luxembourg Institute of Science and Technology (LIST) 5 Avenue des Hauts-Fourneaux L-4362 Esch-sur-Alzette Luxembourg Fiber and Polymer Science Program North Carolina State University 2401 Research Dr Campus Box 8301 Raleigh NC 27695-8301 USA

Correction for ‘An environmentally benign approach to achieving vectorial alignment and high microporosity in bacterial cellulose/chitosan scaffolds’ by Guohui Li et al., RSC Adv., 2017, 7, 13678–13688.

Correction for ‘An environmentally benign approach to achieving vectorial alignment and high microporosity in bacterial cellulose/chitosan scaffolds’ by Guohui Li et al., RSC Adv., 2017, 7, 13678–13688.

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Back Cover: Hydrogels from Amorphous Calcium Carbonate and Polyacrylic Acid: Bio-Inspired Materials for “Mineral Plastics” (Angew. Chem. Int. Ed. 39/2016)

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Angewandte Chemie International Edition 2016年第39期55卷

作者： Dr. Shengtong Sun Li-Bo Mao Zhouyue Lei Prof. Dr. Shu-Hong Yu Prof. Dr. Helmut Cölfen Physical Chemistry University of Konstanz Universitätsstrasse 10 78457 Konstanz Germany School of Chemical Engineering State Key Laboratory of Chemical Engineering Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P.R. China Division of Nanomaterials and Chemistry Hefei National Laboratory for Physical Sciences at Microscale Department of Chemistry University of Science and Technology of China Hefei Anhui 230026 P.R. China State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular Science Laboratory for Advanced Materials Fudan University Shanghai 200433 P.R. China

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Acoustic Streaming: Probing Cell Deformability via Acoustically Actuated Bubbles (Small 7/2016)

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Small 2016年第7期12卷

作者： Yuliang Xie Nitesh Nama Peng Li Zhangming Mao Po-Hsun Huang Chenglong Zhao Francesco Costanzo Tony Jun Huang Department of Chemical Engineering The Pennsylvania State University University Park PA 16802 USA Department of Engineering Science and Mechanics The Pennsylvania State University University Park PA 16802 USA Department of Physics & Electro-Optics Program University of Dayton Dayton OH 45469 USA Center for Neural Engineering The Pennsylvania State University University Park PA 16802 USA

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Erratum to: Vol. 35 No. 1 Publisher’s Erratum

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Chinese Journal of Oceanology and Limnology 2017年第2期35卷 466-467页

作者： Shuangyan He Mingxia He Jürgen Fischer Dongliang Yuan Peng Xu Tengfei Xu Xianping Yang Leonid Sokoletsky Xiaodao Wei Fang Shen Juhong Zou Maohua Guo Songxue Cui Wu Zhou Dalu Gao Guangzhen Jin Xianqing Lü Fuwen Qiu Wendong Fang Aijun Pan Jing Cha Shanwu Zhang Jiang Huang Tao Wang Yongzhou Cheng Xiaoyan Chen Zhaopu Liu Xiaohua Long Zhishuai Hou Haishen Wen Jifang Li Feng He Qun Liu Jinhuan Wang Biao Guan Qinglong Wang Md. Shahjahan Md. Farajul Kabir Kizar Ahmed Sumon Lipi Rani Bhowmik Harunur Rashid Shu Li Kefu Yu Jianxin Zhao Yuexing Feng Tianran Chen Shun Zhou Yichao Ren Christopher M. Pearce Shuanglin Dong Xiangli Tian Qinfeng Gao Fang Wang Liming Liu Rongbin Du Xiaoling Zhang Shichun Sun Song Feng Jianing Lin Song Sun Fang Zhang Zhipeng Zhang Xuexi Tang Haitian Tang Jingjing Song Jian Zhou Hongjun Liu Qixiang Wang Kuimei Qian Xia Liu Yuwei Chen Chengjun Sun Fenghua Jiang Wei Gao Xiaoyun Li Yanzhen Yu Xiaofei Yin Yong Wang Haibing Ding Zhongmin Sun Yongqiang Wang Pengcheng Yan Hui Guo Jianting Yao Jiro Tanaka Hiroshi Kawai Na Song Muyan Chen Tianxiang Gao Takashi Yanagimoto Xia Lu Sheng Luan Jie Kong Longyang Hu Yong Mao Shengping Zhong Yan Liu Weihong Zhao Caiyan Li Hui Miao Ocean Remote Sensing Institute Ocean University of China Qingdao China Institute for Space Sciences Freie Universität Berlin Berlin Germany Ocean College Zhejiang University Hangzhou China Key Laboratory of Ocean Circulation and Waves (KLOCAW) Institute of Oceanology Chinese Academy of Sciences Qingdao China Qingdao Collaborative Innovation Center of Marine Science and Technology Qingdao China University of Chinese Academy of Sciences Beijing China First Institute of Oceanography State Oceanic Administration Qingdao China State Key Laboratory of Estuarine and Coastal Research East China Normal University Shanghai China National Satellite Ocean Application Service Beijing China Key Laboratory of Space Ocean Remote Sensing and Application SOA Beijing China Key Laboratory of Physical Oceanography (Ocean University of China) Ministry of Education Qingdao China Key Lab of Marine Science and Numerical Modeling First Institute of Oceanography SOA Qingdao China Third Institute of Oceanography State Oceanic Administration Xiamen China State Key Laboratory of Tropical Oceanography South China Sea Institute of Oceanology Chinese Academy of Sciences Guangzhou China Jiangsu Provincial Key Laboratory of Marine Biology College of Resources and Environmental Sciences Nanjing Agricultural University Nanjing China Fisheries College Ocean University of China Qingdao China Key Laboratory of Mariculture Ministry of Education Ocean University of China Qingdao China Department of Fisheries Management Bangladesh Agricultural University Mymensingh Bangladesh Sado Marine Biological Station Faculty of Science Niigata University Sado Niigata Japan Department of Aquatic Ecology and Water Quality Management Wageningen University Wageningen University and Research Centre Amsterdam The Netherlands Science and Math Program Asian University for Women Chittagong Bangladesh Key laboratory of Marginal Sea Geology South China Sea Institute of Oceanology Chinese Academy of Sciences

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Facile Synthesis of Black Phosphorus: an Efficient Electrocatalyst for the Oxygen Evolving Reaction

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Angewandte Chemie 2016年第44期128卷

作者： Qianqian Jiang Lei Xu Ning Chen Han Zhang Liming Dai Shuangyin Wang State Key Laboratory of Chem/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P.R. China SZU-NUS Collaborative Innovation Center for Optoelectronic Science and Technology Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Optoelectronic Engineering Shenzhen University Shenzhen 518060 P.R. China Department of Macromolecular Science and Engineering Case Western Reserve University Cleveland USA

Black phosphorus (BP) as a new 2D material has attracted extensive attention because of its unique electronic, optical, and structural properties. However, the difficulties associated with BP synthesis severely hinder the further development of BP for any potential applications. On the other hand, searching for other potential applications of BP is also a big challenge. A facile strategy was developed for preparation of BP supported on Ti foil (BP‐Ti) in a thin‐film form. Surprisingly, the as‐prepared BP shows advanced electrocatalytic activity for the oxygen evolution reaction (OER). To improve the OER activity of the electrocatalyst, BP was grown on a carbon nanotube network (BP‐CNT), showing even better activity. The results demonstrate that BP can be prepared by a facile method and may be applied as an electrocatalyst.

关键词： Elektrokatalysatoren Metallfreie Katalysatoren Sauerstoffentwicklung Schwarzer Phosphor Verdampfungstechniken

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Development of hydroxyapatite-mediated synthesis of collagen-based copolymers for application as bio scaffolds in bone regeneration

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Journal of Fluid Mechanics 2014年第1期1621卷 53-58页

作者： Bhuiyan, Didarul Middleton, John Tannenbaum, Rina Department of Biomedical Engineering University of Alabama at Birmingham BirminghamAL35924 United States Department of Materials Science and Engineering Program in Chemical and Molecular Engineering Stony Brook University Stony BrookNY11794 United States

Hydroxyapatite (HAP) is a biocompatible bio-ceramic whose structure and composition is similar to bone. However, its lack of strength and toughness have seriously hampered its applications as a bone graft substitute material. Attempts have been made to overcome these mechanical properties deficiencies by combining HAP bioceramic material with absorbable polymers in order to improve its mechanical properties. However, poor interfacial bonding between the HAP and the polymers has limited the benefits of such biocomposite structures. At the other end of the biomaterials spectrum is collagen, which constitutes the most abundant proteins in the body and exhibits properties such as biodegradability, bioadsorbability with low antigenicity, high affinity to water, and the ability to interact with cells through integrin recognition. These favorable properties renders collagen as a natural candidate for the modification and compatibilization of the polymer-HAP biocomposite. In this study, we developed a novel approach to the synthesis of a potential bone graft material, where the HAP moiety acts not only as a bioceramic filler, but also constitutes the initiator surface that promotes the in-situ polymerization of the adsorbable polymer of choice. The synthesis of poly(D,L-lactide-co-glycolide) (PLGA) polymer was catalyzed by nano-hydroxyapatite (nHAP) particles and upon reaction completion, the biocomposite material was tethered with collagen. The synthesis was monitored by 1H NMR and FTIR spectroscopies and the products after each step were characterized by thermal analysis to probe both thermal stability, morphological integrity and mechanical properties. Copyright © Materials Research Society 2014.

关键词： Hydroxyapatite

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Separable Nonlinear Model Predictive Control via Sequential Quadratic programming for Large-scale Systems *

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IFAC-PapersOnLine 2015年第23期48卷 495-500页

作者： Liang Lu Department of Chemical and Biomolecular Engineering (BK21 Plus Program) Korea Advanced Institute of Science & Technology Daejeon Korea. Laboratory for Automatic Control and System Dynamics Technische Universität Chemnitz Chemnitz Germany.

In this paper, a sequential quadratic programming method is presented for largescale nonlinear and possibly non-convex model predictive control (MPC) optimization problem which is often set up with a separable objective function. By introducing the so-call consensus constraints to separate the couplings among the subsystems. The resulting QP subproblem is formulated in a separable form, which makes it possible to use the existing alternating direction methods, like ADMM, to efficiently compute Newton steps for the overall system in a distributed way. In order to enforce the convergence rate of the distributed computation, a distributed line search with local merit functions is also proposed.

关键词： Sequential quadratic programming separable model predictive control alternating direction method of multipliers nonlinear systems non-convex optimization large-scale optimization distributed line search

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Liquid Marbles Based on Magnetic Upconversion Nanoparticles as Magnetically and Optically Responsive Miniature Reactors for Photocatalysis and Photodynamic Therapy

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Angewandte Chemie 2016年第36期128卷

作者： Dan Wang Lin Zhu Jian‐Feng Chen Liming Dai Research Centre of the Ministry of Education for High Gravity Engineering and Technology State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical Technology Beijing 100029 China Center of Advanced Science and Engineering for Carbon (Case4Carbon) Department of Macromolecular Science and Engineering Case School of Engineering Case Western Reserve University Cleveland OH 44106 USA Institute of Advanced Materials for Nano-bio Applications School of Ophthalmology and Optometry Wenzhou Medical University 270 Xueyuan Xi Road Wenzhou Zhejiang China

Magnetic liquid marbles have recently attracted extensive attention for various potential applications. However, conventional liquid marbles based on iron oxide nanoparticles are opaque and inadequate for photo‐related applications. Herein, we report the first development of liquid marbles coated with magnetic lanthanide‐doped upconversion nanoparticles (UCNPs) that can convert near‐infrared light into visible light. Apart from their excellent magnetic and mechanical properties, which are attractive for repeatable tip opening and magnetically directed movements, the resultant UCNP‐based liquid marbles can act as ideal miniature reactors for photodynamic therapy of cancer cells. This work opens new ways for the development of liquid marbles, and shows great promise for liquid marbles based on UCNPs to be used in a large variety of potential applications, such as photodynamic therapy for accelerated drug screening, magnetically guided controlled drug delivery and release, and multifunctional actuation.

关键词： Aufwärtskonversion Flüssigkeitskügelchen Magnetische Eigenschaften Nanopartikel Photodynamische Therapie

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