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1. Pumping effect of heterogeneous meniscus formed around spherical particle

Author:
Nakamura, Hayate; Ogawa, Tetsuya; Inoue, Motochika; Hori, Takuma; Mu, Lizhong; Yoshikawa, Harunori N.; Zoueshtiagh, Farzam; Dietze, Georg; Tsukahara, Takahiro; Ueno, Ichiro
Source:
Journal of colloid and interface science 2020 v.562 pp. 133-141
ISSN:
0021-9797
Subject:
microparticles,   etc   ; droplets; industrial applications; liquids;     Show all 4 Subjects
Abstract:
... A disturbance such as a microparticle on the pathway of a spreading droplet has shown the tremendous ability to accelerate locally the motion of the macroscopic contact line (Mu et al., 2017). Although this ability has been linked to the particle-liquid interaction, the physical mechanisms behind it are still poorly understood despite its academic interest and the scope of numerous industrial appl ...
DOI:
10.1016/j.jcis.2019.12.005

2. MOFs-derived multi-chamber carbon microspheres with enhanced microwave absorption

Author:
Liu, Dawei; Du, Yunchen; Wang, Fengyuan; Wang, Yahui; Cui, Liru; Zhao, Honghong; Han, Xijiang
Source:
Carbon 2020 v.157 pp. 478-485
ISSN:
0008-6223
Subject:
microparticles,   etc   ; carbon; electromagnetic radiation; microstructure;     Show all 4 Subjects
Abstract:
... Microstructure is playing a more and more important role in upgrading the performance of microwave absorption materials (MAMs) nowadays. Herein, we demonstrate the successful synthesis of multi-chamber carbon microspheres (MCCMs) with abundant interior cavities. The reflection loss (RL) characteristics of MCCMs and the effect of microstructure on electromagnetic properties have been discussed thor ...
DOI:
10.1016/j.carbon.2019.10.056

3. Low-cost urchin-like silicon-based anode with superior conductivity for lithium storage applications

Author:
Guan, Peng; Zhang, Wei; Li, Chengyu; Han, Na; Wang, Xuechen; Li, Qiaofeng; Song, Guojun; Peng, Zhi; Li, Jianjiang; Zhang, Lei; Zhu, Xiaoyi
Source:
Journal of colloid and interface science 2020 v.575 pp. 150-157
ISSN:
0021-9797
Subject:
microparticles,   etc   ; anodes; carbon nanotubes; lithium; silicon; wastes;     Show all 6 Subjects
Abstract:
... Poor rate and cycling performance are the most critical drawbacks for Si-based anodes on account of their inferior conductivity and colossal volumetric expansion during lithiation/delithiation. Here we report the fabrication of structurally-integrated urchin-like Si anode, which provides prominent structural stability and distinguished electron and ion transmission pathways for lithium storage. Th ...
DOI:
10.1016/j.jcis.2020.04.082

4. Vorticity-Aligned Droplet Bands in Sheared Immiscible Polymer Blends Induced by Solid Particles

Author:
Mao, Chaoying; Huang, Yajiang; Qiao, Yunjiao; Zhang, Jiayao; Kong, Miqiu; Yang, Qi; Li, Guangxian
Source:
Langmuir 2020 v.36 no.16 pp. 4383-4395
ISSN:
1520-5827
Subject:
microparticles,   etc   ; anisotropy; droplets; fluid mechanics; polymers;     Show all 5 Subjects
Abstract:
... The spatiotemporal organization of complex fluids under flow can be strongly affected by incorporating solid particles. Here, we report that a monolayer of interfacially active microspheres preferentially wetted by the matrix phase can bridge droplets into vorticity-aligned bands in immiscible polymer blends at intermediate particle concentrations and low shear rates. Strong particle bridging abil ...
DOI:
10.1021/acs.langmuir.0c00511

5. Theoretical analysis of erosion in elbows due to flows with nano- and micro-size particles

Author:
Kosinska, Anna; Balakin, Boris V.; Kosinski, Pawel
Source:
Powder technology 2020 v.364 pp. 484-493
ISSN:
0032-5910
Subject:
microparticles,   etc   ; mathematical models; particle size; powders;     Show all 4 Subjects
Abstract:
... The present paper focuses on the issue of erosion due to fluid flow laden with nano- and microparticles. We investigated the case of a pipe elbow using theoretical analysis and numerical simulations. For the case when the particles were large, that is, of micrometre size, we observed the expected behaviour in which the erosion rate was greater with increasing particle diameter. The same was seen f ...
DOI:
10.1016/j.powtec.2020.02.002

6. Porous V₂O₅ yolk–shell microspheres for zinc ion battery cathodes: activation responsible for enhanced capacity and rate performance

Author:
Li, Rui; Zhang, Huamin; Zheng, Qiong; Li, Xianfeng
Source:
Journal of materials chemistry A 2020 v.8 no.10 pp. 5186-5193
ISSN:
2050-7496
Subject:
microparticles,   etc   ; batteries; cathodes; electrolytes; energy; zinc;     Show all 6 Subjects
Abstract:
... Rechargeable aqueous zinc ion batteries have attracted significant attention for practical energy storage due to their low cost and high safety, however, it is still a hard task to find suitable cathode materials to meet the demand of both high capacity and rate performance. Here, we propose a high-performance anhydrous V₂O₅ yolk–shell cathode via a facile template-free solvothermal technique. Owi ...
DOI:
10.1039/c9ta11750d

7. Capturing heavy loading microparticles using electrostatic precipitator with square-wave collecting electrode

Author:
Wen, Tsrong-Yi; Xue, Qing-Zhang
Source:
Powder technology 2020 v.361 pp. 520-528
ISSN:
0032-5910
Subject:
microparticles,   etc   ; aerosols; air flow; electrodes; public health;     Show all 5 Subjects
Abstract:
... Collecting aerosol particles is important in public health viewpoint because aerosol particles have been resulting in million deaths every year. Electrostatic precipitators (ESPs) are widely used to deal with massive particles at a given airflow rate because of several advantages attributed to ESPs' low pressure drop. However, the collection efficiency of an ESP decays quickly when demanding a hig ...
DOI:
10.1016/j.powtec.2019.11.083

8. Investigation on particle motions and resultant impact erosion on quartz crystals by the micro-particle laden waterjet and airjet

Author:
Zhang, Li; Ji, Renquan; Fu, Yufei; Qi, Huan; Kong, Fanzhi; Li, Haonan; Tangwarodomnukun, Viboon
Source:
Powder technology 2020 v.360 pp. 452-461
ISSN:
0032-5910
Subject:
microparticles,   etc   ; brittleness; crystals; momentum; powders; quartz;     Show all 6 Subjects
Abstract:
... To investigate particle motions and resultant impact erosion is highly desirable to improve the abrasive waterjet and abrasive airjet micro-machining performance. Numerical study found that particles in waterjet are easier to move following water streamlines than that in airjet due to their larger momentum equilibration numbers, and average impact angle induced by micro-particles in airjet are lar ...
DOI:
10.1016/j.powtec.2019.10.032

9. Correction: A facile approach to fabrication of well-dispersed NiO–ZnO composite hollow microspheres

Author:
Xie, Qingshui; Guo, Huizhang; Zhang, Xiangxin; Lu, Aolin; Zeng, Deqian; Chen, Yuanzhi; Peng, Dong-Liang
Source:
RSC advances 2017 v.7 no.74 pp. 47164
ISSN:
2046-2069
Subject:
microparticles
Abstract:
... Correction for ‘A facile approach to fabrication of well-dispersed NiO–ZnO composite hollow microspheres’ by Qingshui Xie et al., RSC Adv., 2013, 3, 24430–24439. ...
DOI:
10.1039/c7ra90097j

10. Deposition of wet microparticles on a fiber: Effects of impact velocity and initial spin

Author:
Chen, Hongsheng; Liu, Wenwei; Li, Shuiqing
Source:
Powder technology 2019 v.357 pp. 83-96
ISSN:
0032-5910
Subject:
microparticles,   etc   ; microstructure; powders;     Show all 3 Subjects
Abstract:
... Inertial deposition of wet microparticles on a fiber is numerically investigated by means of discrete element method, taking the effects of impact velocity and initial spin into consideration. Results indicate that the overall, normal and tangential coefficients of restitution remain zero as the impact velocity is lower than a critical value, beyond which these restitution coefficients will increa ...
DOI:
10.1016/j.powtec.2019.08.059

11. Cooperative Transport in a Multi-Particle, Multi-Dimensional Flashing Ratchet

Author:
Kedem, Ofer; Weiss, Emily A.
Source:
Journal of physical chemistry 2019 v.123 no.11 pp. 6913-6921
ISSN:
1932-7455
Subject:
microparticles,   etc   ; energy; physical chemistry;     Show all 3 Subjects
Abstract:
... Random and undirected forces are rectified in biological and synthetic systems using ratcheting mechanisms, which employ periodic asymmetric potentials and nonequilibrium conditions to produce useful transport. The density of motors or transported particles is known to strongly affect the nature and efficacy of transport in biological systems, as well as in synthetic ratchets and active swimmer sy ...
DOI:
10.1021/acs.jpcc.9b00344

12. Flow force augmented 3D suspended polymeric microfluidic (SPMF3) platform

Author:
Marzban, Mostapha; Dargahi, Javad; Packirisamy, Muthukumaran
Source:
Electrophoresis 2019 v.40 no.3 pp. 388-400
ISSN:
0173-0835
Subject:
microparticles,   etc   ; electrophoresis; polydimethylsiloxane;     Show all 3 Subjects
Abstract:
... Detection and study of bioelements using microfluidic systems has been of great interest in the biodiagnostics field. Microcantilevers are the most used systems in biodetection due to their implementation simplicity which have been used for a wide variety of applications ranging from cellular to molecular diagnosis. However, increasing further the sensitivity of the microcantilever systems have a ...
DOI:
10.1002/elps.201800166

13. Zwitterionic polymer chain-assisted lysozyme imprinted core-shell carbon microspheres with enhanced recognition and selectivity

Author:
Qian, Liwei; Liu, Wenqian; Yang, Miaoxiu; Nica, Valentin; Yang, Jinfan; Liu, Hanbin; Ning, Lulu; Zhang, Sufeng; Zhang, Qiuyu
Source:
Talanta 2020 v.217 pp. 121085
ISSN:
0039-9140
Subject:
microparticles,   etc   ; adsorption; carbon; dopamine; lysozyme; polymers; proteins; zwitterions;     Show all 8 Subjects
Abstract:
... Constructing imprinting materials with high recognition and selectivity for protein is an always challenge in protein imprinting technology (PIT). In this work, upon the participating of a zwitterionic polymer chain (Poly (1-vinyl-3-sulfopropylimidazolium), PVSP), a lysozyme imprinted core-shell carbon microsphere (CFC-PVSP@MIPs) was prepared by combining template immobilization method and surface ...
DOI:
10.1016/j.talanta.2020.121085

14. Schlieren imaging for the visualization of particles entrapped in bubble films

Author:
Kim, Jeeyoon; Lee, Seunghyeon; Joung, Young Soo
Source:
Journal of colloid and interface science 2020 v.570 pp. 52-60
ISSN:
0021-9797
Subject:
microparticles,   etc   ; air; bacteria; bubbles; droplets; image analysis; microplastics; particle size;     Show all 8 Subjects
Abstract:
... Bubbles are one of the primary sources of transferring substances from water to air. When bubbles burst, small droplets containing microparticles and microorganisms previously suspended in water disperse. Hence, visualizing small objects in bubble films can provide a new methodology for investigating the material transfer from water to the environment and the dynamic behavior of objects in the fil ...
DOI:
10.1016/j.jcis.2020.02.085

15. A noise-free, ultrasensitive and accurate miRNAs detection using streptavidin coated magnetic microsphere based stem-loop ligation PCR

Author:
Guo, Yunfei; Yang, Hao; Ren, Wei; Gu, Hongchen; Xu, Gaolian; Xu, Hong
Source:
Talanta 2020 v.213 pp. 120845
ISSN:
0039-9140
Subject:
microparticles,   etc   ; detection limit; magnetism; microRNA; models; polymerase chain reaction; streptavidin;     Show all 7 Subjects
Abstract:
... As important disease diagnostic markers, circulating miRNAs have been put on an urgent agenda in recent years with the focus on their highly sensitive and specific multiplex detection in one reaction. In this article, we proposed a unique miRNAs detection method based on tailored-designed stem-loop structure ligation strategy to realize ideal detection performance. The stem-loop ligation probe had ...
DOI:
10.1016/j.talanta.2020.120845

16. 3D conductive network wrapped CeO2-x Yolk@Shell hybrid microspheres for selective-frequency microwave absorption

Author:
Li, Qingqing; Zhao, Yunhao; Wang, Lei; Zhang, Jie; Li, Xiao; Che, Renchao
Source:
Carbon 2020 v.162 pp. 86-94
ISSN:
0008-6223
Subject:
microparticles,   etc   ; absorption; carbon nanotubes; electrical conductivity; encapsulation; energy; nanoparticles; oxidation;     Show all 8 Subjects
Abstract:
... Carbon nanotubes (CNTs) based materials have been popular as microwave absorbers owing to their tunable electrical conductivity. Here, a hierarchical CeO₂₋ₓ yolk@shell microsphere encapsulated by the CeO₂₋ₓ/CNTs hybrid three-dimensional (3D) conductive network (denoted as CMC) was successfully fabricated by a simple solvothermal method through a cooperative-assembly strategy owing to a synergistic ...
DOI:
10.1016/j.carbon.2019.11.044

17. New forms of electrospun nanofiber materials for biomedical applications

Author:
Chen, Shixuan; John, Johnson V.; McCarthy, Alec; Xie, Jingwei
Source:
Journal of materials chemistry B 2020 v.8 no.17 pp. 3733-3746
ISSN:
2050-7518
Subject:
microparticles,   etc   ; aerogels; drugs; nanofibers; porosity; therapeutics; tissue repair;     Show all 7 Subjects
Abstract:
... Over the past two decades, electrospinning has emerged as an enabling nanotechnology to produce nanofiber materials for various biomedical applications. In particular, therapeutic/cellloaded nanofiber scaffolds have been widely examined in drug delivery, wound healing, and tissue repair and regeneration. However, due to the insufficient porosity, small pore size, noninjectability, and inaccurate s ...
DOI:
10.1039/d0tb00271b

18. Carbon-encapsulated gigaporous microsphere as potential Si anode-active material for lithium-ion batteries

Author:
Wu, Xin-Rui; Yu, Chun-Hung; Li, Chia-Chen
Source:
Carbon 2020 v.160 pp. 255-264
ISSN:
0008-6223
Subject:
microparticles,   etc   ; anodes; carbon; encapsulation; lithium batteries; nanoparticles; silicon;     Show all 7 Subjects
Abstract:
... A gigaporous carbon microsphere implanted with Si particles and encapsulated by a carbon nanoshell is proposed as an active material for anodes. This material has the advantage of being processable by the economical tape-casting method for electrode fabrication. Because the implanted Si is distributed in a three-dimensional carbon skeleton of the proposed structure, the anode made of this new comp ...
DOI:
10.1016/j.carbon.2020.01.021

19. A simple emulsification technique for the production of micro-sized flexible powder of polydimethylsiloxane (PDMS)

Author:
López, M.; Rubio, M.; Sadek, S.H.; Vega, E.J.
Source:
Powder technology 2020 v.366 pp. 610-616
ISSN:
0032-5910
Subject:
microparticles,   etc   ; blood; droplets; emulsifying; emulsions; glass; markets; polydimethylsiloxane; shrinkage; syringes;     Show all 10 Subjects
Abstract:
... A simple mass production emulsification technique was used to fabricate powder of flexible microparticles of PDMS. The insertion of a membrane/filter between the syringes in the two-syringe method allows to increase the monodispersity of the droplets collection, with sizes of a few microns. PDMS-water emulsions were made using this manual technique. The PDMS liquid droplets in the emulsions were t ...
DOI:
10.1016/j.powtec.2020.03.022

20. Direct observation at the microscale of particle deposition during the first stage of the microfiltration process

Author:
Valencia, Alberto; Le Men, Claude; Ellero, Christophe; Lafforgue-Baldas, Christine; Schmitz, Philippe; Morris, Jeffrey F.
Source:
Journal of membrane science 2020 v.599 pp. 117823
ISSN:
0376-7388
Subject:
microparticles,   etc   ; artificial membranes; image analysis; latex; microfiltration; models; monitoring; velocimetry;     Show all 8 Subjects
Abstract:
... Particle deposition at pore scale during membrane filtration has been studied. A specially designed microfiltration set-up, including a filtration membrane composed of slots alignment, was used to perform in-situ, real time measurements of the particle concentration and cake growth during filtration of spherical latex particles. The approach allows the microscale phenomena to be related to macrosc ...
DOI:
10.1016/j.memsci.2020.117823