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Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

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https://www.readbyqxmd.com/read/28331792/advanced-micro-nanostructures-for-lithium-metal-anodes
#1
REVIEW
Rui Zhang, Nian-Wu Li, Xin-Bing Cheng, Ya-Xia Yin, Qiang Zhang, Yu-Guo Guo
Owning to their very high theoretical capacity, lithium metal anodes are expected to fuel the extensive practical applications in portable electronics and electric vehicles. However, unstable solid electrolyte interphase and lithium dendrite growth during lithium plating/stripping induce poor safety, low Coulombic efficiency, and short span life of lithium metal batteries. Lately, varies of micro/nanostructured lithium metal anodes are proposed to address these issues in lithium metal batteries. With the unique surface, pore, and connecting structures of different nanomaterials, lithium plating/stripping processes have been regulated...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331791/one-dimensional-earth-abundant-nanomaterials-for-water-splitting-electrocatalysts
#2
REVIEW
Jun Li, Gengfeng Zheng
Hydrogen fuel acquisition based on electrochemical or photoelectrochemical water splitting represents one of the most promising means for the fast increase of global energy need, capable of offering a clean and sustainable energy resource with zero carbon footprints in the environment. The key to the success of this goal is the realization of robust earth-abundant materials and cost-effective reaction processes that can catalyze both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), with high efficiency and stability...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331790/ultrathin-fluidic-laminates-for-large-area-fa%C3%A3-ade-integration-and-smart-windows
#3
Benjamin P V Heiz, Zhiwen Pan, Gerhard Lautenschläger, Christin Sirtl, Matthias Kraus, Lothar Wondraczek
Buildings represent more than 40% of Europe's energy demands and about one third of its CO2 emissions. Energy efficient buildings and, in particular, building skins have therefore been among the key priorities of international research agendas. Here, glass-glass fluidic devices are presented for large-area integration with adaptive façades and smart windows. These devices enable harnessing and dedicated control of various liquids for added functionality in the building envelope. Combining a microstructured glass pane, a thin cover sheet with tailored mechanical performance, and a liquid for heat storage and transport, a flat-panel laminate is generated with thickness adapted to a single glass sheet in conventional windows...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331789/light-like-a-feather-a-fibrous-natural-composite-with-a-shape-changing-from-round-to-square
#4
Bin Wang, Marc André Meyers
Only seldom are square/rectangular shapes found in nature. One notable exception is the bird feather rachis, which raises the question: why is the proximal base round but the distal end square? Herein, it is uncovered that, given the same area, square cross sections show higher bending rigidity and are superior in maintaining the original shape, whereas circular sections ovalize upon flexing. This circular-to-square shape change increases the ability of the flight feathers to resist flexure while minimizes the weight along the shaft length...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331788/periodic-mesoporous-organosilica-coated-prussian-blue-for-mr-pa-dual-modal-imaging-guided-photothermal-chemotherapy-of-triple-negative-breast-cancer
#5
Wei Tian, Yunyan Su, Ying Tian, Shouju Wang, Xiaodan Su, Ying Liu, Yunlei Zhang, Yuxia Tang, Qianqian Ni, Wenfei Liu, Meng Dang, Chunyan Wang, Junjie Zhang, Zhaogang Teng, Guangming Lu
Complete eradication of highly aggressive triple negative breast cancer (TNBC) remains a notable challenge today. In this work, an imaging-guided photothermal-chemotherapy strategy for TNBC is developed for the first time based on a periodic mesoporous organosilica (PMO) coated Prussian blue (PB@PMO) nanoplatform. The PB@PMOs have organic-inorganic hybrid frameworks, uniform diameter (125 nm), high surface area (866 m(2) g(-1)), large pore size (3.2 nm), excellent photothermal conversion capability, high drug loading capacity (260 µg mg(-1)), and magnetic resonance (MR) and photoacoustic (PA) imaging abilities...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331787/enhancing-oxygen-evolution-reaction-at-high-current-densities-on-amorphous-like-ni-fe-s-ultrathin-nanosheets-via-oxygen-incorporation-and-electrochemical-tuning
#6
Jingfang Zhang, Yuchen Hu, Dali Liu, Yu Yu, Bin Zhang
Amorphous-like Ni-Fe-S ultrathin nanosheets by oxygen incorporation and electrochemical tuning show excellent OER activity at high current densities. Such excellent performance could be attributed to the unique 3D porous configuration composed of amorphous-like ultrathin nanosheets with much more active sites and improved conductivity, as well as the proper electronic structure benefiting from the oxygen incorporation and electrochemical tuning.
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331786/a-3d-chemically-modified-graphene-hydrogel-for-fast-highly-sensitive-and-selective-gas-sensor
#7
Jin Wu, Kai Tao, Yuanyuan Guo, Zhong Li, Xiaotian Wang, Zhongzhen Luo, Shuanglong Feng, Chunlei Du, Di Chen, Jianmin Miao, Leslie K Norford
Reduced graphene oxide (RGO) has proved to be a promising candidate in high-performance gas sensing in ambient conditions. However, trace detection of different kinds of gases with simultaneously high sensitivity and selectivity is challenging. Here, a chemiresistor-type sensor based on 3D sulfonated RGO hydrogel (S-RGOH) is reported, which can detect a variety of important gases with high sensitivity, boosted selectivity, fast response, and good reversibility. The NaHSO3 functionalized RGOH displays remarkable 118...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331785/an-enhanced-uv-vis-nir-an-d-flexible-photodetector-based-on-electrospun-zno-nanowire-array-pbs-quantum-dots-film-heterostructure
#8
Zhi Zheng, Lin Gan, Jianbing Zhang, Fuwei Zhuge, Tianyou Zhai
ZnO nanostructure-based photodetectors have a wide applications in many aspects, however, the response range of which are mainly restricted in the UV region dictated by its bandgap. Herein, UV-vis-NIR sensitive ZnO photodetectors consisting of ZnO nanowires (NW) array/PbS quantum dots (QDs) heterostructures are fabricated through modified electrospining method and an exchanging process. Besides wider response region compared to pure ZnO NWs based photodetectors, the heterostructures based photodetectors have faster response and recovery speed in UV range...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331784/photo-cross-linked-dual-responsive-hollow-capsules-mimicking-cell-membrane-for-controllable-cargo-post-encapsulation-and-release
#9
Xiaoling Liu, Dietmar Appelhans, Qiang Wei, Brigitte Voit
Multifunctional and responsive hollow capsules are ideal candidates to establish highly sophisticated compartments mimicking cell membranes for controllable bio-inspired functions. For this purpose pH and temperature dual-responsive and photo-cross-linked hollow capsules, based on silica-templated layer-by-layer approach by using poly(N-isopropyl acrylamide)-block-polymethacrylate) and polyallylamine, have been prepared to use them for the subsequent and easily available post-encapsulation process of protein-like macromolecules at room temperature and pH 7...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331783/nanoparticle-functionalization-and-its-potentials-for-molecular-imaging
#10
REVIEW
Rukmani Thiruppathi, Sachin Mishra, Mathangi Ganapathy, Parasuraman Padmanabhan, Balázs Gulyás
Functionalization enhances the properties and characteristics of nanoparticles through surface modification, and enables them to play a major role in the field of medicine. In molecular imaging, quality functional images are required with proper differentiation which can be seen with high contrast to obtain viable information. This review article discusses how functionalization enhances molecular imaging and enables multimodal imaging by which images with combination of functions particular to each modality can be obtained...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331782/polyanion-type-electrode-materials-for-sodium-ion-batteries
#11
REVIEW
Qiao Ni, Ying Bai, Feng Wu, Chuan Wu
Sodium-ion batteries, representative members of the post-lithium-battery club, are very attractive and promising for large-scale energy storage applications. The increasing technological improvements in sodium-ion batteries (Na-ion batteries) are being driven by the demand for Na-based electrode materials that are resource-abundant, cost-effective, and long lasting. Polyanion-type compounds are among the most promising electrode materials for Na-ion batteries due to their stability, safety, and suitable operating voltages...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331781/single-crystalline-ultrathin-nickel-cobalt-alloy-nanosheets-array-for-direct-hydrazine-fuel-cells
#12
Guang Feng, Yun Kuang, Pengsong Li, Nana Han, Ming Sun, Guoxin Zhang, Xiaoming Sun
Ultrathin 2D metal alloy nanomaterials have great potential applications but their controlled syntheses are limited to few noble metal based systems. Herein Ni x Co1-x alloy nanosheets with ultrathin (sub-3 nm) single-crystalline 2D structure are synthesized through a topochemical reduction method. Moreover, the optimized composition Ni0.6Co0.4 alloy nanosheets array exhibits excellent performances for hydrazine oxidation reaction and direct hydrazine fuel cells.
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251057/passivation-of-lithium-metal-anode-via-hybrid-ionic-liquid-electrolyte-toward-stable-li-plating-stripping
#13
Nian-Wu Li, Ya-Xia Yin, Jin-Yi Li, Chang-Huan Zhang, Yu-Guo Guo
Hybrid electrolyte of ionic liquid and ethers is used to passivate the surface of Li metal surface via modification of the as-formed solid electrolyte interphase with N-propyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)amide (Py13TFSI), thereby reducing the side reactions between the Li metal and electrolyte, leading to remarkably suppressed Li dendrite growth and mitigating Li metal corrosion.
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251056/sequential-double-clicks-toward-structurally-well-defined-heterogeneous-n-glycoclusters-the-importance-of-cluster-heterogeneity-on-pattern-recognition-in-vivo
#14
Liliya Latypova, Regina Sibgatullina, Akihiro Ogura, Katsumasa Fujiki, Alsu Khabibrakhmanova, Tsuyoshi Tahara, Satoshi Nozaki, Sayaka Urano, Kazuki Tsubokura, Hirotaka Onoe, Yasuyoshi Watanabe, Almira Kurbangalieva, Katsunori Tanaka
Structurally well-defined heterogeneous N-glycoclusters are prepared on albumin via a double click procedure. The number of glycan molecules present, in addition to the spatial arrangement of glycans in the heterogeneous glycoclusters, plays an important role in the in vivo kinetics and organ-selective accumulation through glycan pattern recognition mechanisms.
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251055/in-situ-generation-of-poly-vinylene-carbonate-based-solid-electrolyte-with-interfacial-stability-for-licoo2-lithium-batteries
#15
Jingchao Chai, Zhihong Liu, Jun Ma, Jia Wang, Xiaochen Liu, Haisheng Liu, Jianjun Zhang, Guanglei Cui, Liquan Chen
Nowadays it is extremely urgent to seek high performance solid polymer electrolyte that possesses both interfacial stability toward lithium/graphitic anodes and high voltage cathodes for high energy density solid state batteries. Inspired by the positive interfacial effect of vinylene carbonate additive on solid electrolyte interface, a novel poly (vinylene carbonate) based solid polymer electrolyte is presented via a facile in situ polymerization process in this paper. It is manifested that poly (vinylene carbonate) based solid polymer electrolyte possess a superior electrochemical stability window up to 4...
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251054/surface-curvature-differentially-regulates-stem-cell-migration-and-differentiation-via-altered-attachment-morphology-and-nuclear-deformation
#16
Maike Werner, Sébastien B G Blanquer, Suvi P Haimi, Gabriela Korus, John W C Dunlop, Georg N Duda, Dirk W Grijpma, Ansgar Petersen
Signals from the microenvironment around a cell are known to influence cell behavior. Material properties, such as biochemical composition and substrate stiffness, are today accepted as significant regulators of stem cell fate. The knowledge of how cell behavior is influenced by 3D geometric cues is, however, strongly limited despite its potential relevance for the understanding of tissue regenerative processes and the design of biomaterials. Here, the role of surface curvature on the migratory and differentiation behavior of human mesenchymal stem cells (hMSCs) has been investigated on 3D surfaces with well-defined geometric features produced by stereolithography...
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251053/laser-triggered-small-interfering-rna-releasing-gold-nanoshells-against-heat-shock-protein-for-sensitized-photothermal-therapy
#17
Zhaohui Wang, Siwen Li, Min Zhang, Yi Ma, Yuxi Liu, Weidong Gao, Jiaqi Zhang, Yueqing Gu
The resistance of cancer cells to photothermal therapy is closely related to the overexpression of heat shock proteins (HSPs), which are abnormally upregulated when cells are under lethal stresses. Common strategies that use small molecule inhibitors against HSPs to enhance hyperthermia effect lack spatial and temporal control of drug release, leading to unavoidable systemic toxicity. Herein, a versatile photothermal platform is developed which is composed of a hollow gold nanoshell core densely packed with small interfering RNAs against heat shock protein 70 (Hsp70)...
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251052/microfluidic-patterning-of-metal-structures-for-flexible-conductors-by-in-situ-polymer-assisted-electroless-deposition
#18
Suqing Liang, Yaoyao Li, Tingjiao Zhou, Jinbin Yang, Xiaohu Zhou, Taipeng Zhu, Junqiao Huang, Julie Zhu, Deyong Zhu, Yizhen Liu, Chuanxin He, Junmin Zhang, Xuechang Zhou
A low-cost, solution-processed, versatile, microfluidic approach is developed for patterning structures of highly conductive metals (e.g., copper, silver, and nickel) on chemically modified flexible polyethylene terephthalate thin films by in situ polymer-assisted electroless metal deposition. This method has significantly lowered the consumption of catalyst as well as the metal plating solution.
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251051/mos2-based-nanocomposites-for-electrochemical-energy-storage
#19
REVIEW
Tianyi Wang, Shuangqiang Chen, Huan Pang, Huaiguo Xue, Yan Yu
Typical layered transition-metal chalcogenide materials, in particular layered molybdenum disulfide (MoS2) nanocomposites, have attracted increasing attention in recent years due to their excellent chemical and physical properties in various research fieldsHere, a general overview of synthetic MoS2 based nanocomposites via different preparation approaches and their applications in energy storage devices (Li-ion battery, Na-ion battery, and supercapacitor) is presented. The relationship between morphologies and the electrochemical performances of MoS2-based nanocomposites in the three typical and promising rechargeable systems is also discussed...
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28251050/small-gold-nanorods-with-tunable-absorption-for-photothermal-microscopy-in-cells
#20
Edakkattuparambil Sidharth Shibu, Nadezda Varkentina, Laurent Cognet, Brahim Lounis
The synthesis, sorting, and characterization of monodisperse gold nanorods with dimensions around 10 nm in length and below 6 nm in diameter is reported. They display tunable plasmon resonance in the near infrared, a region where cellular absorption is reduced. A dual color photothermal microscope is developed to demonstrate that they are promising single molecule probes for bioimaging.
February 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
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