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1. Optimization of Sibipiruna activated carbon preparation by simplex-centroid mixture design for simultaneous adsorption of rhodamine B and metformin

Author:
Spessato, Lucas; Duarte, Vitor A.; Viero, Patrícia; Zanella, Heloisa; Fonseca, Jhessica M.; Arroyo, Pedro A.; Almeida, Vitor C.
Source:
Journal of hazardous materials 2021 v.411 pp. 125166
ISSN:
0304-3894
Subject:
rhodamines,   etc   ; adsorption; metformin; surface area;     Show all 4 Subjects
Abstract:
... The present paper reports the application of augmented simplex-centroid mixture design to obtain a high BET surface area activated carbon using as reactants KOH, K₂CO₃ and K₂C₂O₄. The optimum mixture composition was 2.51 g of KOH, 0.49 g of K₂CO₃ and absence of K₂C₂O₄, generating an optimized AC (ACₒₚ) with SBET value equals to 1984 m² g⁻¹. The results herein obtained show that low amounts of K₂CO ...
DOI:
10.1016/j.jhazmat.2021.125166

2. Aptamer-based proximity labeling guides covalent RNA modification

Author:
Englert, Daniel; Matveeva, Regina; Sunbul, Murat; Wombacher, Richard; Jäschke, Andres
Source:
Chemical communications 2021 v.57 no.28 pp. 3480-3483
ISSN:
1364-548X
Subject:
rhodamines,   etc   ; RNA; cycloaddition reactions; oligonucleotides;     Show all 4 Subjects
Abstract:
... We describe the development of a proximity-induced bio-orthogonal inverse electron demand Diels–Alder reaction that exploits the high-affinity interaction between a dienophile-modified RhoBAST aptamer and its tetramethyl rhodamine methyltetrazine substrate. We applied this concept for covalent RNA labeling in proof-of-principle experiments. ...
DOI:
10.1039/d1cc00786f

3. Dual-emitting piezofluorochromic dye@MOF for white-light generation

Author:
Li, Meiling; Ren, Guojian; Yang, Weiting; Yang, Yonghang; Yang, Weikang; Gao, Yan; Qiu, Pengfei; Pan, Qinhe
Source:
Chemical communications 2021 v.57 no.11 pp. 1340-1343
ISSN:
1364-548X
Subject:
rhodamines,   etc   ; encapsulation; luminescence; white light;     Show all 4 Subjects
Abstract:
... An tetraphenylethylene-based MOF (HNU-49) has been synthesized, which exhibits interesting piezofluorochromic behavior. Additionally, rhodamine B (RhB) can be successful encapsulated in HNU-49, to emit the characteristic dual-emission of RhB and the framework. The combination of host–guest interaction and piezofluorochromism can precisely modulate the luminescence to achieve near white-light. ...
DOI:
10.1039/d0cc06478e

4. A facile synthesis of Zn-doped TiO₂ nanoparticles with highly exposed (001) facets for enhanced photocatalytic performance

Author:
Jiang, Kun; Zhang, Jin; Luo, Rui; Wan, Yingfei; Liu, Zengjian; Chen, Jinwei
Source:
RSC advances 2021 v.11 no.13 pp. 7627-7632
ISSN:
2046-2069
Subject:
rhodamines,   etc   ; absorption; irradiation; light; photocatalysis; photocatalysts; wavelengths;     Show all 7 Subjects
Abstract:
... It is a great challenge to simultaneously improve the visible light absorption capacity and enhance photon-generated carrier separation efficiency of photocatalysts. Herein, Zn-doped TiO₂ nanoparticles with high exposure of the (001) crystal face were prepared via a one-step hydrothermal decomposition method. A detailed analysis reveals that the electronic structures were modulated by Zn doping; t ...
DOI:
10.1039/d0ra09318a

5. Size and shape effects of MnFe2O4 nanoparticles as catalysts for reductive degradation of dye pollutants

Author:
Hu, Guowen; Zhang, Zeqi; Zhang, Xuan; Li, Tianrong
Source:
Frontiers of environmental science & engineering 2021 v.15 no.5 pp. 108
ISSN:
2095-2201
Subject:
rhodamines,   etc   ; magnetic materials; magnetism; methylene blue; nanocatalysts; pollutants; toxicity;     Show all 7 Subjects
Abstract:
... The magnetic nanoparticles that are easy to recycle have tremendous potential as a suitable catalyst for environmental toxic dye pollutant degradation. Rationally engineering shapes and tailoring the size of nanocatalysts are regarded as an effective manner for enhancing performances. Herein, we successfully synthesized three kinds of MnFe₂O₄ NPs with distinctive sizes and shapes as catalysts for ...
DOI:
10.1007/s11783-021-1396-4

6. Boosted charge transfer in dual Z-scheme BiVO4@ZnIn2S4/Bi2Sn2O7 heterojunctions: Towards superior photocatalytic properties for organic pollutant degradation

Author:
Zhang, Di; Yang, Zizhen; Hao, Juanyuan; Zhang, Tianyue; Sun, Quan; Wang, You
Source:
Chemosphere 2021 v.276 pp. 130226
ISSN:
0045-6535
Subject:
rhodamines,   etc   ; irradiation; light; oxidation; photocatalysis; photocatalysts; photolysis; pollutants;     Show all 8 Subjects
Abstract:
... A core-shell structured dual Z-scheme ternary photocatalyst BiVO₄@ZnIn₂S₄/Bi₂Sn₂O₇ was fabricated via hydrothermal and heat-circumfluence strategy. With ZnIn₂S₄ serving as a bridge to connect BiVO₄ and Bi₂Sn₂O₇, the developed ternary catalyst displayed boosted charge transfer and spatial separation capabilities. The effect of mass ratios of BiVO₄@ZnIn₂S₄ and Bi₂Sn₂O₇ on photodegradation efficiency ...
DOI:
10.1016/j.chemosphere.2021.130226

7. Fabrication of highly efficient Bi2WO6/CuS composite for visible-light photocatalytic removal of organic pollutants and Cr(VI) from wastewater

Author:
Mao, Wei; Zhang, Lixun; Wang, Tianye; Bai, Yichen; Guan, Yuntao
Source:
Frontiers of environmental science & engineering 2021 v.15 no.4 pp. 52
ISSN:
2095-2201
Subject:
rhodamines,   etc   ; electron transfer; light; pH; photocatalysis; tetracycline; wastewater;     Show all 7 Subjects
Abstract:
... A visible-light-driven Bi₂WO₆/CuS p-n heterojunction was fabricated using an easy solvothermal method. The Bi₂WO₆/CuS exhibited high photocatalytic activity in a mixed system containing rhodamine B (RhB), tetracycline hydrochloride (TCH), and Cr (VI) under natural conditions. Approximately 98.8% of the RhB (10 mg/L), 87.6% of the TCH (10 mg/L) and 95.1% of the Cr(VI) (15 mg/L) were simultaneously ...
DOI:
10.1007/s11783-020-1344-8

8. A step-by-step synergistic stripping approach toward ultra-thin porous g-C3N4 nanosheets with high conduction band position for photocatalystic CO2 reduction

Author:
Yang, Bin; Zhao, Jiaojiao; Yang, Wenda; Sun, Xiyin; Wang, Rongjie; Jia, Xin
Source:
Journal of colloid and interface science 2021 v.589 pp. 179-186
ISSN:
0021-9797
Subject:
rhodamines,   etc   ; adsorption; air; carbon dioxide; nanosheets; photocatalysis; surface area;     Show all 7 Subjects
Abstract:
... The pristine g-C₃N₄ (BCN) with a low conversion efficiency of CO₂ exits with small specific surface area, weak CO₂ adsorption and severe recombination of photo-generated charges. The stripping of few-layer g-C₃N₄ represents excellent photocatalytic performance, which attracts extensive attention in photocatalytic CO₂ reduction. In the present study, the ultra-thin porous g-C₃N₄ (THCN) with high sp ...
DOI:
10.1016/j.jcis.2021.01.009

9. Novel Fenton process of Co-catalyst Co9S8 quantum dots for highly efficient removal of organic pollutants

Author:
Dong, Chencheng; Yi, Qiuying; Shen, Bin; Xing, Mingyang; Zhang, Jinlong
Source:
Chemosphere 2021 v.270 pp. 128648
ISSN:
0045-6535
Subject:
rhodamines,   etc   ; cobalt; disulfides; liquids; magnetism; oxidation; sulfur; water solubility;     Show all 8 Subjects
Abstract:
... Advanced oxidation processes (AOPs) have been widely accepted as an efficient and promising strategy for treating organic pollutants, is mainly dominated by hydroxyl radicals (•OH); however, its further practical application has been hindered by its low decomposition rate of H₂O₂. Hence, for the first time, we propose an eco-friendly and facile synthesis methodology synthesize water-soluble Co₉S₈ ...
DOI:
10.1016/j.chemosphere.2020.128648

10. A 3D 2-fold interpenetrating Cu(II) coordination polymer based on 4,4′-oxybis(benzoic acid) and 1,3-bis(2-methyl-imidazol-1-yl) benzene exhibiting photocatalytic properties

Author:
Qiao, Shan-Bao
Source:
Zeitschrift für Naturforschung 2021 v.76 no.3-4 pp. 237-241
ISSN:
1865-7117
Subject:
rhodamines,   etc   ; benzoic acid; coordination polymers; methylene blue; photocatalysis;     Show all 5 Subjects
Abstract:
... A new Cu(II) complex, [Cu₂(1,3-BMIB)(OBA)₂]ₙ (1) (1,3-BMIB = 1,3-bis(2-methyl-1H-imidazol-1-yl)benzene, H₂OBA = 4,4′-oxybis(benzoic acid)) was hydrothermally synthesized and has been structurally characterized. Complex 1 possesses a 3D 2-fold interpenetrating framework based on [Cu(OBA)]ₙ layers with a Schläfli symbol {4¹².6³}. Complex 1 displays excellent photocatalytic properties in the degradat ...
DOI:
10.1515/znb-2020-0085

11. A one-pot synthesis of AgBr/Ag₃PO₄ composite photocatalysts

Author:
Su, Jiahang; Fan, Yitao; Yan, Yu; Liu, Tao; Li, Hongshuang; Li, Zhenyu; Song, Fujiao
Source:
RSC advances 2021 v.11 no.17 pp. 9865-9873
ISSN:
2046-2069
Subject:
rhodamines,   etc   ; anion exchange; irradiation; light; photocatalysis; photocatalysts; photolysis; synthesis;     Show all 8 Subjects
Abstract:
... In this study, an AgBr/Ag₃PO₄ (ABAP) photocatalyst has been prepared via a facile one-pot anion-exchange method. SEM, XRD, XPS and UV-Vis DRS characterization techniques are carried out to study the structural and physicochemical characteristics of the AgBr/Ag₃PO₄ composites. The ABAP photocatalyst exhibited outstanding photocatalytic capability for the photodegradation of rhodamine B (RhB) under ...
DOI:
10.1039/d0ra10265b

12. Laser-Induced Single-Molecule Extraction and Detection in Aqueous Poly(N-isopropylacrylamide)/1-Butanol Solutions

Author:
Miura, Atsushi; Nohara, Riku; Nojima, Azumi; Kitamura, Noboru
Source:
Analytical chemistry 2021 v.93 no.6 pp. 3202-3208
ISSN:
1520-6882
Subject:
rhodamines,   etc   ; Raman spectroscopy; analytical chemistry; fluorescence; irradiation; microparticles; separation;     Show all 7 Subjects
Abstract:
... We report photothermal phase separation of aqueous poly(N-isopropylacrylamide) (PNIPAM)/1-butanol (BuOH) solutions by focused 1064 nm laser irradiation and subsequent single microparticle formation in the solution. The single microparticle [diameter = ∼10 μm and volume = ∼picoliter (pL)] produced by laser irradiation was optically trapped by the incident 1064 nm laser beam, and this enabled us in ...
DOI:
10.1021/acs.analchem.0c04673

13. Treatment of rhodamine B with cavitation technology: comparison of hydrodynamic cavitation with ultrasonic cavitation

Author:
Ye, Yu-Fang; Zhu, Ying; Lu, Na; Wang, Xin; Su, Zhi
Source:
RSC advances 2021 v.11 no.9 pp. 5096-5106
ISSN:
2046-2069
Subject:
rhodamines,   etc   ; hydrodynamics; models; pH; response surface methodology; temperature; ultrasonics; wastewater;     Show all 8 Subjects
Abstract:
... This paper presents the use of hydrodynamic cavitation and ultrasonic cavitation technologies for treating rhodamine B (RhB) in simulated wastewater. Various parameters of each technology that influence the RhB degradation rate were compared and optimized. The results showed that the optimal conditions for the hydrodynamic cavitation determined by the single-factor method were as follows: inlet pr ...
DOI:
10.1039/d0ra07727e

14. Zr-Porphyrin Metal–Organic Framework-Based Photocatalytic Self-Cleaning Membranes for Efficient Dye Removal

Author:
Zhao, Peixia; Wang, Jing; Han, Xinwei; Liu, Jindun; Zhang, Yatao; Van der Bruggen, Bart
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.4 pp. 1850-1858
ISSN:
1520-5045
Subject:
rhodamines,   etc   ; hydrophilicity; light; longevity; methylene blue; photocatalysis; polyamides; process design;     Show all 8 Subjects
Abstract:
... The self-cleaning ability and reusability of a membrane are critical in practical applications because they can severely affect the lifespan and the separation efficiency of the membranes. In this work, hydrophilic Zr-porphyrin metal–organic frameworks (MOFs) with different dimensions (2D or 3D) were embedded in the polyamide active layer to develop a self-cleaning membrane with enhanced separatio ...
DOI:
10.1021/acs.iecr.0c05583

15. In-situ self-assembly construction of hollow tubular g-C3N4 isotype heterojunction for enhanced visible-light photocatalysis: Experiments and theories

Author:
Liang, Qinghua; Liu, Xiaojuan; Wang, Jiajia; Liu, Yang; Liu, Zhifeng; Tang, Lin; Shao, Binbin; Zhang, Wei; Gong, Shanxi; Cheng, Min; He, Qingyun; Feng, Chengyang
Source:
Journal of hazardous materials 2021 v.401 pp. 123355
ISSN:
0304-3894
Subject:
rhodamines,   etc   ; absorption; dyes; electron transfer; light; photocatalysis; tetracycline;     Show all 7 Subjects
Abstract:
... A highly reactive hollow tubular g-C₃N₄ isotype heterojunction (SCN-CN) was designed to enhance visible light absorption and manipulate the directed transfer of electrons and holes. The results of UV–vis DRS, XPS valence band and DFT theoretical calculations indicated S doping increases the visible-light absorption capacity and changed the ba nd gap structure of g-C₃N₄ (CN), resulting in the trans ...
DOI:
10.1016/j.jhazmat.2020.123355

16. Electrospun graphene oxide/MIL-101(Fe)/poly(acrylonitrile-co-maleic acid) nanofiber: A high-efficient and reusable integrated photocatalytic adsorbents for removal of dye pollutant from water samples

Author:
Huang, Zhujun; Lai, Zhan; Zhu, Dongying; Wang, Haiyan; Zhao, Chenxi; Ruan, Guihua; Du, Fuyou
Source:
Journal of colloid and interface science 2021 v.597 pp. 196-205
ISSN:
0021-9797
Subject:
rhodamines,   etc   ; adsorbents; adsorption; dyes; graphene; irradiation; kinetics; light; nanofibers; photocatalysis; pollutants; remediation;     Show all 12 Subjects
Abstract:
... The electrospun graphene oxide/MIL-101(Fe)/poly(acrylonitrile-co-maleic acid) nanofibers (E-spun GO/MIL-101(Fe)/PANCMA NFs) were fabricated by a facile electrospinning method and used as integrated photocatalytic adsorbents (IPAs) to remove dye pollutant from water samples. Compared with E-spun GO/PANCMA and E-spun MIL-101(Fe)/PANCMA NFs, the fabricated E-spun GO/MIL-101(Fe)/PANCMA NFs exhibited h ...
DOI:
10.1016/j.jcis.2021.04.020

17. Oxygen vacancy induced peroxymonosulfate activation by Mg-doped Fe2O3 composites for advanced oxidation of organic pollutants

Author:
Guo, Sheng; Liu, Mengdie; You, Liming; Cheng, Gang; Li, Jun; Zhou, Kun
Source:
Chemosphere 2021 v.279 pp. 130482
ISSN:
0045-6535
Subject:
rhodamines,   etc   ; catalysts; cost effectiveness; hematite; oxidation; oxygen; pH; surface area; temperature;     Show all 9 Subjects
Abstract:
... Oxygen vacancy engineering has emerged as an effective approach to improve the performance of catalysts for peroxymonosulfate (PMS) activation. Herein, we report a facile precipitation method followed by calcination to synthesize cost-effective and environmentally friendly magnesium-doped hematite (Mg/Fe₂O₃) composites. Multiple characterization results reveal that the incorporation of Mg can sign ...
DOI:
10.1016/j.chemosphere.2021.130482

18. Highly-efficient and stable photocatalytic activity of lead-free Cs2AgInCl6 double perovskite for organic pollutant degradation

Author:
Li, Keke; Li, Sen; Zhang, Wule; Shi, Zhifeng; Wu, Di; Chen, Xu; Lin, Pei; Tian, Yongtao; Li, Xinjian
Source:
Journal of colloid and interface science 2021 v.596 pp. 376-383
ISSN:
0021-9797
Subject:
rhodamines,   etc   ; Sudan dyes; carcinogens; ethanol; lead; methyl orange; photocatalysis; pollutants; semiconductors; toxicity; water solubility;     Show all 11 Subjects
Abstract:
... Photocatalytic applications of halide perovskites have attracted increasing attention. However, lack of stability and lead toxicity of lead halide perovskites have hindered their applications. Metal halide double perovskite (DP) Cs₂AgInCl₆ is a stable, environment-friendly semiconductor with direct band gap, and then the best promising alternative to lead halide perovskites. Here, the applications ...
DOI:
10.1016/j.jcis.2021.03.144

19. Visible/near-infrared light absorbed nano-ferroelectric for efficient photo-piezocatalytic water splitting and pollutants degradation

Author:
Xiao, Hongyuan; Dong, Wen; Zhao, Qi; Wang, Feifei; Guo, Yiping
Source:
Journal of hazardous materials 2021 v.416 pp. 125808
ISSN:
0304-3894
Subject:
rhodamines,   etc   ; dyes; hydrogen production; irradiation; mechanical stress; photocatalysis; ultrasonics; ultraviolet radiation; vibration;     Show all 9 Subjects
Abstract:
... The band structure of ferroelectrics can be modulated by mechanical stress induced piezoelectric polarization charges, and thus to promote the separation of photo-excited carriers, endowing photo-piezocatalysts with good performance in hydrogen production and pollutants degradation. However, the catalytic performance of these conventional photo-piezocatalysts is restricted since they mainly harves ...
DOI:
10.1016/j.jhazmat.2021.125808

20. Utilization of NaP zeolite synthesized with different silicon species and NaAlO2 from coal fly ash for the adsorption of Rhodamine B

Author:
Zhang, Yanan; Han, Hongjing; Wang, Xinhui; Zhang, Mei; Chen, Yanguang; Zhai, Changxiu; Song, Hua; Deng, Jitong; Sun, Jie; Zhang, Chunlei
Source:
Journal of hazardous materials 2021 v.415 pp. 125627
ISSN:
0304-3894
Subject:
rhodamines,   etc   ; adsorption; coal fly ash; crystallization; electrostatic interactions; endothermy; hydrogen; polymerization; silicon; sorption isotherms; zeolites;     Show all 11 Subjects
Abstract:
... NaP zeolite was successfully synthesized by using various commercial silicon sources and NaAlO₂ extracted from coal fly ash as raw materials. Multiple characterization methods were employed to investigate the effect of silicon sources on NaP zeolite. Adsorption performance and mechanism of NaP zeolite for Rhodamine B were surveyed. The product synthesized by fumed SiO₂ at n(Na₂O)/n(SiO₂) = 0.70 pr ...
DOI:
10.1016/j.jhazmat.2021.125627