Article
Polymer Science
Wafaa Kh. Al-Musawy, Mustafa H. Al-Furaiji, Qusay F. Alsalhy
Summary: The study for the first time uses PVC HF as support for TFC-FO membranes, demonstrating that membranes with lower PVC concentration have higher water flux. While decreasing PVC concentration reduces water flux, it also decreases salt flux.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Xu Zhang, Ning Qu, Shixuan Yang, Da Lei, Anmin Liu, Quan Zhou
Summary: This study successfully synthesized hollow Ni/Co-MOFs and improved the redox reaction activity and electrochemical performance of electrode materials by introducing an appropriate amount of Co ions.
MATERIALS CHEMISTRY FRONTIERS
(2021)
Article
Chemistry, Physical
Ehsan Niknam, Homam Naffakh-Moosavy, Seyyed Ebrahim Moosavifard, Majid Ghahraman Afshar
Summary: A novel amorphous vanadium doped Co3S4 hollow sphere with unique structure was successfully synthesized using a simple method, providing large amount of active sites for better energy storage performance. The asymmetric supercapacitor device fabricated with the V-CS electrode and activated carbon electrode exhibited outstanding energy and power densities, surpassing traditional supercapacitors. The fabrication process presented in this article is simple, controllable, and economical, offering a viable method for fabricating high-performance energy storage devices in the future.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yingjiao Ma, Zhentao Hu, Nan Lu, Ye Niu, Xiaofeng Deng, Jiyan Li, Zhaoqi Zhu, Hanxue Sun, Weidong Liang, An Li
Summary: This study reports the design and synthesis of graphene-coated conjugated microporous polymers hollow spheres compounded with octadecanol for efficient solar photothermal conversion. The fabricated materials show superior performance in photothermal conversion efficiency and have great potential for the efficient application of solar energy.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Peitao Hu, Shun Dong, Fang Yuan, Xiutao Li, Changqing Hong
Summary: In this study, a superior microwave absorbent consisting of NiCo2S4 nanosheets anchored on hollow carbon spheres was successfully designed and fabricated for the first time by a low-cost and facile strategy. The obtained C/NiCo2S4 composite showed excellent absorption performance with a minimum reflection loss of -65.10 dB and an effective absorption bandwidth of 6.60 GHz at a thin thickness of 1.75 mm. The presence of NiCo2S4 nanosheets balanced the impedance matching property and enhanced the dielectric loss effectively, while the cavity structure promoted multiple reflections of the electromagnetic wave, increasing the material's energy loss capacity.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Hyeon Seok Jeong, Chang Wan Kang, Yoon Myung, Sang Moon Lee, Hae Jin Kim, Seung Uk Son
Summary: The nanoparticulate CeO2 incorporated into a hollow carbon matrix exhibited high specific capacitances and excellent electrochemical performance, especially in an alkaline electrolyte.
Article
Chemistry, Physical
Xu Zhang, Wang Lu, Yuhan Tian, Shixuan Yang, Qiang Zhang, Da Lei, Yingyuan Zhao
Summary: NiCo-LDH hollow spheres were prepared using Co-glycerate as the sacrificial template and cobalt source, showing high specific capacitance and good capacitance retention rate. Asymmetric supercapacitors fabricated with these hollow spheres as positive electrode exhibited a large energy density, providing a new approach for supercapacitor research.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Analytical
Xiang-Hui Yu, Zi-Yan Zhao, Jin-Long Yi, Feng-Yun Wang, Ru-Liang Zhang, Qing Yu, Lei Liu
Summary: Nitrogen-doped hollow carbon spheres (NHCS) with adjustable surface topography were synthesized using a one-pot carbonization route, exhibiting deflated-ball like or spherical morphology with high surface areas and dual-mesoporous structure. The NHCS-based supercapacitors showed high energy density, rate performance, and long cycle life, thanks to their hollow structure, hierarchical porous shell, and nitrogen doping.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Physical
Gang Chen, Ximin Li, Tianbiao Zeng, Rui Han, Qian Wang
Summary: The carbon-coated Sn2S3 hollow spheres (Sn2S3@CHS) exhibit excellent cyclability and rate performance, making them a promising anode material for sodium-ion batteries (SIBs).
Article
Chemistry, Analytical
Daohong Chen, Suxin Zhou, Yixin Kuang, Jiajia Han, Yalan Hu, Yuefan Liu, Juan Zheng, Gangfeng Ouyang
Summary: Hollow mesoporous silica with enlarged mesopore size (EHPMOS) was successfully synthesized for high-performance solid phase microextraction (SPME) in this study. The EHPMOS demonstrated significant enrichment factors (158-9516) for polybrominated biphenyls (PBBs). An ultrasensitive analytical method based on the home-made SPME fiber and gas chromatography-mass spectrometry (GC-MS) was developed, allowing for accurate quantifications of ultra-trace PBBs in environmental water sample.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Physical
Guosheng Wang, Zhaoxiong Yan, Yingjie Ding, Zhihua Xu, Zhikun Li
Summary: The Ni(OH)2@NHCSs electrode material with a hierarchical core-shell structure was obtained using a hard template and chemical-precipitation method, demonstrating excellent specific capacity and energy density. The electrode shows outstanding stability and electrochemical performance in 2M KOH electrolyte, primarily due to its unique hierarchical core-shell structure, high specific surface area, and enhanced electrical conductivity.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Polymer Science
Shadia R. Tewfik, Mohamed H. Sorour, Hayam F. Shaalan, Heba A. Hani, Abdelghani M. G. Abulnour, Eman S. Sayed
Summary: Polyethersulfone hollow fiber membranes doped with polyaniline were coated using different monomer pairs via interfacial polymerization. The coated fibers were characterized and tested for performance, with optimal results achieved using m-phenylenediamine and trimesoyl chloride.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Physical
Yichen Wang, Wei Zhou, Guilin Zeng, Han Chen, Heng Luo, Xiaomeng Fan, Yang Li
Summary: The multi-shell hollow carbon submicrospheres (CSs) were designed to enhance microwave absorption performance, achieved through a combination of hydrothermal method, calcination, and etching process. The multi-shell CSs exhibited improved complex permittivity and tangent loss, with enhanced polarization occurring on the interfaces among different shells. This unique structure of multi-shell hollow CSs resulted in promising high-performance microwave absorbers, as indicated by the reflection loss (RL) reaching -48.5 dB with a wide effective absorption bandwidth of 4.2 GHz in the study.
Article
Polymer Science
Yan-Lin Su, Konstantinos G. Beltsios, Jenn Fang Su, Liao-Ping Cheng
Summary: Poly(vinyl alcohol-co-ethylene) (EVOH) hollow fiber membranes were prepared using isothermal dry-jet wet spinning. The membranes exhibited asymmetric structures with macrovoids and interconnected cellular pores. Nanopores formed on the external surface only when the dope contained polyvinylpyrrolidone (PVP). The membranes showed attractive ultrafiltration features with high rejection rates for blue dextran molecules (2000 kDa).
Article
Engineering, Environmental
Wei Chen, Lirui Zhang, Yi Sun, Hao Yu, Min Fu
Summary: The pH-responsive molecularly imprinted hollow spheres (MIHS) prepared using surface imprinting and boronate affinity exhibit fast equilibrium kinetics and excellent binding affinity for selective separation of ribavirin from water samples.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Biomedical
Toshihiko Matsuo, Tetsuya Uchida, Jun Sakurai, Koichiro Yamashita, Chie Matsuo, Tomoaki Araki, Yusuke Yamashita, Kunihisa Kamikawa
Article
Veterinary Sciences
Toshihiko Matsuo, Tetsuya Uchida, Koichiro Yamashita, Shigiko Takei, Daisuke Ido, Mamoru Tanaka, Masao Oguchi, Toshinori Furukawa
JOURNAL OF VETERINARY MEDICAL SCIENCE
(2018)
Article
Polymer Science
Atsushi Shinya, Ryogo Ono, Hironori Atarashi, Shinichi Yamazaki, Kunio Kimura
Article
Polymer Science
Ryogo Ono, Hironori Atarashi, Shinichi Yamazaki, Kunio Kimura
Article
Polymer Science
Tetsuya Uchida, Yutaro Hara, Tomoyasu Takaki
Article
Engineering, Biomedical
Koichiro Yamashita, Tenu Tanaka, Toshihiko Matsuo, Tetsuya Uchida
Summary: The study focused on using an anion-exchange reaction to improve the durability of the retinal prosthesis, with TFSI- resulting in enhanced longevity of the film.
BIOMEDICAL MATERIALS
(2021)
Article
Polymer Science
Tetsuya Uchida, Naoya Tsugawa, Satoru Yoshida, Natsuki Tohnai
Summary: Single-walled carbon nanotubes (SWNTs) of several hundred nanometers in length were crystallized from dilute solutions to obtain slender lath-shaped crystals. The crystals were two-dimensional and composed of hexagonally close-packed SWNTs, with crystal defects observed through high-resolution electron microscopy. Higher crystallization temperature led to shorter precipitation time and diffusion of SWNTs dominated crystal growth.
Article
Polymer Science
Koichiro Yamashita, Tenu Tanaka, Toshihiko Matsuo, Tetsuya Uchida
Summary: The study showed that photoelectric dyes can stimulate retinal neurons, leading to the development of a retinal prosthesis for vision restoration. However, a decrease in the amount of coupled dye was observed during implantation tests in a monkey's eye. By investigating the effects of different anion exchanges, it was found that the long-term durability of dye-coupled films is strongly related to the thermal stability of the photoelectric dye.
Article
Engineering, Biomedical
Koichiro Yamashita, Prathima Sundaram, Tetsuya Uchida, Toshihiko Matsuo, Willy Wong
Summary: The study explored how the OUReP affects retinal tissues through modeling, indicating that this retinal prosthesis is likely capable of eliciting responses in retinal bipolar cells necessary to generate vision under most ambient conditions.
JOURNAL OF NEURAL ENGINEERING
(2021)
Article
Polymer Science
Tetsuya Uchida, Yukihisa Onishi, Atsu Goto
Summary: Highly porous rigid polybenzoxazole (PBO) network films with excellent thermal stability and high conductivity were prepared using a precursor-mediated method. The films with pyridine rings doped with phosphoric acid showed the highest conductivity among the films considered in the study, surpassing that of Nafion(TM) and enabling use at higher temperatures.
POLYMERS FOR ADVANCED TECHNOLOGIES
(2022)
Review
Biology
Toshihiko Matsuo, Shihui Liu, Tetsuya Uchida, Satomi Onoue, Shinsaku Nakagawa, Mayumi Ishii, Kayoko Kanamitsu
Summary: NK-5962, a key component of photoelectric dye-based retinal prosthesis, has shown both safety and efficacy in testing. It can prevent retinal cell death even in dark conditions and delay retinal neuron apoptosis in hereditary retinal dystrophic rats. Further pharmacokinetic studies suggest it could be a candidate drug for delaying the deterioration of retinal dystrophy.
Article
Polymer Science
Keiko Kobayashi, Shinichi Yamazaki, Kunio Kimura
Summary: The role of chain entanglements in shear-induced crystallization is a major unsolved problem. In this study, the shear-induced crystallization behavior of a mixture of cyclic polyethylene (C-PE) and linear polyethylene (L-PE) with different molecular weights and blend ratios was investigated. It was found that increasing entanglement density promoted the formation of oriented melt, while simultaneously suppressing crystallization. These competing factors resulted in the maximum formation rate of shish-like fibril crystals.
Article
Polymer Science
Keiko Kobayashi, Hironori Atarashi, Shinichi Yamazaki, Kunio Kimura
Summary: The role of entanglements formed between cyclic and linear polymers in crystallization was investigated. The study found that as the content of linear polyethylene increased, the crystallization rate decreased.
Article
Engineering, Biomedical
Toshihiko Matsuo, Mikako Sakurai, Keiko Terada, Tetsuya Uchida, Koichiro Yamashita, Tenu Tanaka, Kenichi Takarabe
ADVANCED BIOMEDICAL ENGINEERING
(2019)
Article
Multidisciplinary Sciences
Toshihiko Matsuo, Tetsuya Uchida, Koichiro Yamashita, Shigiko Takei, Daisuke Ido, Atsushi Fujiwara, Masahiko Iino, Masao Oguchi
