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1. Mechanistic insight into the charge carrier separation and molecular oxygen activation of manganese doping BiOBr hollow microspheres

Author:
Zuming He; Hasan Fareed; Hanpei Yang; Yongmei Xia; Jiangbin Su; Lina Wang; Li Kang; Mi Wu; Zhengyi Huang
Source:
Journal of colloid and interface science 2023 v.629 pp. 355-367
ISSN:
0021-9797
Subject:
microparticles,   etc   ; gentian violet; manganese; oxygen; photocatalysis; photocatalysts;     Show all 6 Subjects
Abstract:
... High-efficiency separation of photogenerated charges and molecular oxygen activation is very important for photocatalytic removal of organic pollutants. However, the current understanding of the effect mechanism of metal substitution for the separation of photo-generated charges and molecular oxygen activation is still poor. Herein, efficient manganese (Mn)-doped BiOBr hollow microspheres synthesi ...
DOI:
10.1016/j.jcis.2022.08.164

2. Ag-modified α-Fe2O3 spherical particles interspersed on hierarchical flower-like NiAl-LDH microspheres with Z-scheme for significantly enhanced CO2 photoreduction into CO

Author:
Guixiang Ding; Zhi Liu; Qiu Wang; Yang Li; Wentao Liu; Yang Liu
Source:
Journal of colloid and interface science 2023 v.629 pp. 193-205
ISSN:
0021-9797
Subject:
microparticles,   etc   ; adsorption; carbon dioxide; energy; environmental degradation; lighting; photocatalysis; photocatalysts; photoreduction; value added;     Show all 10 Subjects
Abstract:
... The conversion of carbon dioxide (CO₂) into value-added C1 and/or C2 chemicals by photocatalytic technology has been regarded as a “one stone-two birds” solution for environmental degradation and energy shortage. In this work, a novel Z-scheme mechanism photocatalyst of Ag-modified α-Fe₂O₃ spherical particles interspersed on hierarchical flower-like layered nickel-aluminum hydroxides (NiAl-LDH) mi ...
DOI:
10.1016/j.jcis.2022.09.048

3. Three-dimensional porous manganese oxide/nickel/carbon microspheres as high-performance electromagnetic wave absorbers with superb photothermal property

Author:
Xiangwei Meng; Jing Qiao; Yunfei Yang; Xue Zhang; Zhengyi Yang; Sinan Zheng; Jiurong Liu; Lili Wu; Zhou Wang; Fenglong Wang
Source:
Journal of colloid and interface science 2023 v.629 pp. 884-894
ISSN:
0021-9797
Subject:
microparticles,   etc   ; absorption; carbon; carbonization; durability; electromagnetic radiation; magnetism; manganese monoxide; nanoparticles; nickel; radar;     Show all 11 Subjects
Abstract:
... Regulating electromagnetic parameters and thus improving impedance matching characteristics by multi-component design is regarded as a prospective approach to obtain highly efficient electromagnetic wave absorption materials. Whereas, it is still challenging to fabricate microwave absorbers with strong absorption capacity and durability in harsh conditions. Based on the above considerations, three ...
DOI:
10.1016/j.jcis.2022.09.043

4. Efficient preparation of red mud-based geopolymer microspheres (RM@GMs) and adsorption of fluoride ions in wastewater

Author:
Min Yi; Kaituo Wang; Hongyang Wei; Deshuai Wei; Xuefei Wei; Binghu Wei; Lin Shao; Toyohisa Fujita; Xuemin Cui
Source:
Journal of hazardous materials 2023 v.442 pp. 130027
ISSN:
0304-3894
Subject:
microparticles,   etc   ; adsorption; fluorides; ion exchange; pH; polymers; seawater; sorption isotherms; surface water; synergism; tap water; wastewater;     Show all 12 Subjects
Abstract:
... In this paper, red mud-based geopolymer microspheres (RM@GMs: 75–150 µm) was prepared by dispersion-suspension-solidification method to remove fluoride ions (F⁻). It was found that RM@GMs still had good mechanical properties and better F⁻ removal effect at RM content reached 80 % of the total solid mass. The batch adsorption experiment results showed that the F⁻ concentration (< 1.5 mg/L) reached ...
DOI:
10.1016/j.jhazmat.2022.130027

5. Effect of allelochemicals sustained-release microspheres on the ingestion, incorporation, and digestion abilities of Daphnia magna Straus

Author:
Benhang Li; Yijun Yin; Xiaohong Zhou; Li Feng; Yongze Liu; Ziwen Du; Yajun Tian; Liqiu Zhang
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 205-214
ISSN:
1001-0742
Subject:
microparticles,   etc   ; Daphnia magna; acute toxicity; adults; allelochemicals; death; digestion; ingestion; invertebrates; microorganisms; mortality; neonates; stable isotopes; China;     Show all 14 Subjects
Abstract:
... Allelochemicals sustained-release microspheres (ACs-SMs) exhibited great inhibition effect on algae, however, few studies have focused on ACs-SMs toxicity on invertebrate. In this study, the effects of single high-concentration ACs (15 mg/L, SH-ACs), repeated low-concentration ACs (3 × 5 mg/L, RL-ACs) and ACs-SMs containing 15 mg/L ACs exposure on the ingestion, incorporation, and digestion of Dap ...
DOI:
10.1016/j.jes.2021.10.020

6. A colon-targeted delivery system of torularhodin encapsulated in electrospinning microspheres, and its co-metabolic regulation mechanism of gut microbiota

Author:
Chang Liu; Yahui Guo; Yuliang Cheng; He Qian
Source:
Food hydrocolloids 2023 v.135 pp. 108189
ISSN:
0268-005X
Subject:
microparticles,   etc   ; Bacteroides; Collinsella; Dialister; Escherichia; Lachnospiraceae; Phascolarctobacterium; Prevotella; Ruminococcaceae; Sutterella; biosynthesis; carnitine; carotenoids; coculture; colon; digestion; hydrocolloids; intestinal microorganisms; lysine; metabolites; metabolomics; species abundance; tyramine; tyrosine;     Show all 24 Subjects
Abstract:
... Torularhodin is a carotenoid with various biological activities. Carotenoids reportedly benefit gut health, but the effect of torularhodin on the gut is unclear. Therefore, torularhodin microspheres were prepared by electrospinning technology, and then their colonic targeting was studied by an in vitro intestinal simulation system. The results show that the torularhodin electrospinning nano-micros ...
DOI:
10.1016/j.foodhyd.2022.108189

7. Quantitative detection of malachite green in sediment by a time-resolved immunofluorescence method combined with a portable 3D printing equipment platform

Author:
Xinchi Wang; Tingting Yang; Xi Chen; Longxiang Fang; Yong Yang; Guoqing Cao; Haitao Zhang; Alex Bogere; Shunlong Meng; Jiazhang Chen; Chao Song
Source:
Science of the total environment 2023 v.855 pp. 158897
ISSN:
0048-9697
Subject:
microparticles,   etc   ; antibodies; aquaculture; detection limit; drugs; environment; equations; europium; fisheries; fluorescence; fluorescent antibody technique; immune response; malachite green; mobile telephones; oxidation; qualitative analysis; quantitative analysis; rapid methods; regression analysis; sediments;     Show all 20 Subjects
Abstract:
... Rapid detection technology of aquaculture fishery drug residues is needed to supplement large-scale instrument methods. To do this, the time-resolved fluorescence immunoassay (TRFIA) method and portable three-dimensional (3D) printing equipment platform were used, in combination with smartphones, to detect malachite green (MG) in pond sediments. The TRFIA was coupled to MG monoclonal antibodies (m ...
DOI:
10.1016/j.scitotenv.2022.158897

8. Chitosan microspheres-based controlled release nitrogen fertilizers enhance the growth, antioxidant, and metabolite contents of Chinese cabbage

Author:
Jiahua Ma; Yahya Faqir; Yunlong Chai; Sanmei Wu; Tong Luo; Shiyu Liao; Abdul Rasheed Kaleri; Chengjia Tan; Yuxin Qing; Mohammad Talib Kalhoro; Niaz Umer; Wazir Hadir
Source:
Scientia horticulturae 2023 v.308 pp. 111542
ISSN:
0304-4238
Subject:
microparticles,   etc   ; Chinese cabbage; Fourier transform infrared spectroscopy; antioxidants; cell respiration; chitosan; crosslinking; denitrification; economic sustainability; electron microscopy; emulsifying; evaporation; flavonoids; fluorescence; irrigation; leaf length; metabolites; nitrogen; photosynthesis; plant growth; plant height; polyphenols; porosity; runoff; seed germination; stomatal conductance; sugars; surface water; urea; urea fertilizers; volatilization; water flow;     Show all 32 Subjects
Abstract:
... Agriculture lands have low fertilizer retention owing to porosity and irrigation, whereas a significant portion of fertilizer is lost through denitrification, volatilization, surface run-off, and leaching, causing losses of nutrients to air and ground/surface water. Urea fertilizer readily enhances the agricultural yield but also deteriorates the quality of fertile soils. To combat such problems, ...
DOI:
10.1016/j.scienta.2022.111542

9. Chiral pillar[5]arene-functionalized silica microspheres: synthesis, characterization and enantiomer separation

Author:
Chengxiang Shi; Hui Li; Xiaofeng Shi; Liang Zhao; Hongdeng Qiu
Source:
Chemical communications 2022 v.58 no.20 pp. 3362-3365
ISSN:
1364-548X
Subject:
microparticles,   etc   ; enantiomers; silica;     Show all 3 Subjects
Abstract:
... Chiral pillar[5]arene-functionalized silica microspheres were prepared and characterized for the first time, and can be used as a new kind of chiral stationary phase for effective enantioseparation under reversed-phase and normal phase modes with good reproducibility and stability. ...
DOI:
10.1039/d1cc06978k

10. Bimetallic Bi–Sn microspheres as high initial coulombic efficiency and long lifespan anodes for sodium-ion batteries

Author:
Yansong Zhu; Chunting Wang; Zhenjie Cheng; Qian Yao; Jie Su; Bo Chen; Jian Yang; Yitai Qian
Source:
Chemical communications 2022 v.58 no.33 pp. 5140-5143
ISSN:
1364-548X
Subject:
microparticles,   etc   ; anodes; electrochemistry; longevity;     Show all 4 Subjects
Abstract:
... Anode materials with a high initial coulombic efficiency and a long lifespan are highly desirable for sodium-ion batteries. Here, bimetallic μ-BiSn microspheres well combine the high capacity of Sn and the good stability of Bi together, exhibiting superior electrochemical performance, such as a high initial Coulombic efficiency (90.6%), a good cycling stability (541 mA h g⁻¹ after 3000 cycles at 2 ...
DOI:
10.1039/d2cc00833e

11. Surface-wrinkled SnO2 hollow microspheres decorated with AuAg bimetallic nanoparticles for triethylamine detection

Author:
Shichao Wang; Ya Xiong; Xiaohu Wang; Wendi Liu; Jian Tian; Nannan Wu; Hongzhi Cui; Xinzhen Wang
Source:
Powder technology 2022 v.404 pp. 117457
ISSN:
0032-5910
Subject:
microparticles,   etc   ; catalytic activity; triethylamine;     Show all 3 Subjects
Abstract:
... Surface modification of metal oxides with bimetallic nanoparticles is regarded as an appealing way to improve the gas sensing properties. Herein, SnO₂ hollow microspheres with wrinkle surface were synthesized, and were then decorated with Au, Ag, and bimetallic AuAg nanoparticles by immersing SnO₂ into the solutions containing these as-prepared metal particles. Gas test results showed that the SnO ...
DOI:
10.1016/j.powtec.2022.117457

12. Label-Free Imaging of Single Proteins and Binding Kinetics Using Total Internal Reflection-Based Evanescent Scattering Microscopy

Author:
Pengfei Zhang; Rui Wang; Zijian Wan; Xinyu Zhou; Guangzhong Ma; Jayeeta Kolay; Jiapei Jiang; Shaopeng Wang
Source:
Analytical chemistry 2022 v.94 no.30 pp. 10781-10787
ISSN:
1520-6882
Subject:
microparticles,   etc   ; analytical chemistry; microscopy;     Show all 3 Subjects
Abstract:
... Single-molecule detection can push beyond ensemble averages and reveal the statistical distributions of molecular properties. Measuring the binding kinetics of single proteins also represents one of the critical and challenging tasks in protein analysis. Here, we report total internal reflection-based evanescent scattering microscopy with label-free single-protein detection capability. Total inter ...
DOI:
10.1021/acs.analchem.2c01510

13. Preparation of Three-Dimensional Mo₂C/NC@MXene and Its Efficient Electromagnetic Absorption Properties

Author:
Ke Yang; Yuhong Cui; Lingyun Wan; Yabin Wang; Muhammad Rizwan Tariq; Pei Liu; Qiuyu Zhang; Baoliang Zhang
Source:
ACS applied materials & interfaces 2022 v.14 no.5 pp. 7109-7120
ISSN:
1944-8252
Subject:
microparticles,   etc   ; absorption; carbon; nanosheets;     Show all 4 Subjects
Abstract:
... The positively charged MoO₃/PDA microspheres are obtained by stacking and assembly of the sheet structure, and the negatively charged MXene nanosheets are wrapped on the surface through the principle of electrostatic self-assembly. After annealing, a nitrogen-doped carbon composite and a MXene-coated Mo₂C wave absorber are obtained. The formation of the wrinkled surface provides a complex pore str ...
DOI:
10.1021/acsami.1c19033

14. Liquid metal coated copper micro-particles to construct core-shell structure and multiple heterojunctions for high-efficiency microwave absorption

Author:
Ye Wang; Ya-Nan Gao; Tian-Ning Yue; Xu-Dong Chen; Renchao Che; Ming Wang
Source:
Journal of colloid and interface science 2022 v.607 pp. 210-218
ISSN:
0021-9797
Subject:
microparticles,   etc   ; absorption; copper; liquids; magnetism;     Show all 5 Subjects
Abstract:
... Facing the inherent defects of magnetic materials, the research of non-magnetic absorbers has gradually become a new direction in the research of microwave absorbers to fit the requirements of a new generation for high strength, wide effective absorption bandwidth. Herein, the liquid metal and copper (LC) composite micro-particles with multiple heterojunctions and core–shell structure, which have ...
DOI:
10.1016/j.jcis.2021.08.206

15. Rational design of hierarchical structure of carbon@polyaniline composite with enhanced microwave absorption properties

Author:
Wentong Yang; Jiawen Sun; Deyun Liu; Wenwen Fu; Yubing Dong; Yaqin Fu; Yaofeng Zhu
Source:
Carbon 2022 v.194 pp. 114-126
ISSN:
0008-6223
Subject:
microparticles,   etc   ; absorption; carbon; polyaniline; polymerization;     Show all 5 Subjects
Abstract:
... Reasonable combination of components and ingenious structure design are effective strategies to achieve superior microwave absorption (MA). In this work, polyaniline was grown in situ on hollow porous carbon microspheres prepared by polymerization and pyrolysis-etching processes. The synthesized hollow porous carbon@polyaniline (HPC@PANI) shows a specific hierarchical structure and possesses extra ...
DOI:
10.1016/j.carbon.2022.03.061

16. Integrating hierarchical interfacial polarization in yeast-derived Mo2C/C nanoflower/microsphere nanoarchitecture for boosting microwave absorption performance

Author:
Zhengchen Wu; Chen Jin; Ziqi Yang; Renchao Che
Source:
Carbon 2022 v.189 pp. 530-538
ISSN:
0008-6223
Subject:
microparticles,   etc   ; absorption; air; carbon; nanoflowers;     Show all 5 Subjects
Abstract:
... Integration of hierarchical polarizations within one nanoarchitecture combines superiorities of strong dielectric polarization loss and matched characteristic impedance for enhancing microwave absorption (MA) performance. However, accurate regulation of polarization relaxations in hierarchical composites remains a considerable challenge. Herein, novel Mo₂C@N, P dual-doped carbon microspheres with ...
DOI:
10.1016/j.carbon.2021.12.073

17. Microsphere Photonic Superlens for a Highly Emissive Flexible Upconversion-Nanoparticle-Embedded Film

Author:
Yinzhou Yan; Jing He; Mengyuan Wang; Lixue Yang; Yijian Jiang
Source:
ACS applied materials & interfaces 2022 v.14 no.21 pp. 24636-24647
ISSN:
1944-8252
Subject:
microparticles,   etc   ; energy conversion; luminescence; photons;     Show all 4 Subjects
Abstract:
... Increasing upconversion luminescence (UCL) to overcome the intrinsically low conversion efficiency of upconversion nanoparticles (UCNPs) poses a fundamental challenge. Photonic nanostructures are the efficient approaches for UCL enhancement by tailoring the local electromagnetic fields. Unfortunately, such nanostructures are sensitive to environmental conditions, and the regulation strength is var ...
DOI:
10.1021/acsami.2c05144

18. Effect of Surface Interactions on Microsphere Loading in Dissolving Microneedle Patches

Author:
Derek Jang; Jie Tang; Steven P. Schwendeman; Mark R. Prausnitz
Source:
ACS applied materials & interfaces 2022 v.14 no.26 pp. 29577-29587
ISSN:
1944-8252
Subject:
microparticles,   etc   ; adhesion; hydrophobicity; polystyrenes; surfactants; swine;     Show all 6 Subjects
Abstract:
... Microneedle (MN) patches enable simple self-administration of drugs via the skin. In this study, we sought to deliver drug-loaded microspheres (MSs) using MN patches and found that the poly(lactic-co-glycolic acid) (PLGA) MSs failed to localize in the MN tips during fabrication, thereby decreasing their delivered dose and delivery efficiency into skin. We determined that surface interactions betwe ...
DOI:
10.1021/acsami.2c05795

19. Facile construction of core–shell Carbon@CoNiO2 derived from yeast for broadband and high-efficiency microwave absorption

Author:
Zhenxia Lu; Fang Ren; Zhengzheng Guo; Zhong Dai; Baiqiao Fu; Ze Zong; Fudong Zhang; Yanling Jin; Zhengyan Chen; Penggang Ren
Source:
Journal of colloid and interface science 2022 v.625 pp. 415-424
ISSN:
0021-9797
Subject:
microparticles,   etc   ; absorption; carbon; magnetism; synthesis; yeasts;     Show all 6 Subjects
Abstract:
... Manufacturing dielectric/magnetic composites with hierarchical structure is regard as a promising strategy for the progress of high-performance microwave absorption (MA) materials. In this paper, the nano-grass structured CoNiO₂ magnetic shell was uniformly anchored on the yeast-derived carbon microspheres by in-situ one-pot synthesis method. Profiting from the unique nano-grass and core–shell str ...
DOI:
10.1016/j.jcis.2022.06.012

20. Fast-response MEMS xylene gas sensor based on CuO/WO3 hierarchical structure

Author:
Mengmeng Guo; Na Luo; Yang Chen; Yu Fan; Xiaohong Wang; Jiaqiang Xu
Source:
Journal of hazardous materials 2022 v.429 pp. 127471
ISSN:
0304-3894
Subject:
microparticles,   etc   ; nanosheets; pyrolysis; rapid methods; xylene;     Show all 5 Subjects
Abstract:
... CuO/WO₃ hierarchical hollow microspheres, assembled from irregular two dimensional (2D) nanosheets, were prepared by ultrasonic-wet chemical etching and pyrolysis in this study. The sensing performance of Micro-Electro-Mechanical System (MEMS) xylene gas sensor based on CuO/WO₃ hierarchical structure were evaluated. It was found that the CuO/WO₃ MEMS sensors showed an enhanced gas sensing performa ...
DOI:
10.1016/j.jhazmat.2021.127471