Materials Today Chemistry
·
2020
·
IF 0
Xiangyan Hou,Huanhuan Liu,Yimeng Zhang,Mengpei Jiang,Long Yuan,Jingyu Shi,Changmin Hou
Cd-doped In 2 O 3 was synthesized by a facile solvothermal, template-free preparation method. The phase structure and properties were characterized by various methods. The surface of Cd-doped In 2 O 3 became coarse compared with that of pure In 2 O 3 , according to the scanning electron microscopeimages, which enhanced the ability to absorb the gas. The electron paramagnetic resonance showed that the Cd-doped In 2 O 3 can generate more defects and oxygen vacancies . By measuring the gas sensitivity, the response of Cd-doped In 2 O 3 was 1.6 times than that of pure In 2 O 3 . Thus, Cd-doped In 2 O 3 can promote gas-sensing performance compared with pure In 2 O 3 .
研究领域:
材料科学
·
化学传感器
·
纳米技术
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DOI
MARINE POLLUTION BULLETIN
·
2019
·
IF 3.782
Fang Dong,Xiaoshan Zhu,Wei Qian,Pu Wang,Jiangxin Wang
Ocean acidification (OA) and heavy metals are common stress factors for marine ecosystems subject to anthropogenic impacts. OA coupled with the heavy metal is likely to affect marine species. This study investigated the single and combined effects of OA (1500 ppm) and cadmium (Cd; 0.4, 1.2 mg/L) on the marine diatom Phaeodactylum tricornutum under 7 d exposure. The results clearly indicated that either OA or Cd stress (1.2 mg/L) alone inhibited the growth of P. tricornutum . However, under the combined OA-Cd stress, the growth inhibition disappeared, and the intracellular oxidative damage was mitigated. These results indicated a significantly enhanced tolerance of P. tricornutum to Cd while under OA conditions, which could be beneficial to the survival of this diatom. This study will ultimately help us understand the responses of marine organisms to multiple stressors and have broad implications for the potential ecological risks of Cd under future OA conditions.
研究领域:
海洋生物学
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环境科学
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DOI
PubMed
高影响因子
MICROCHEMICAL JOURNAL
·
2024
·
IF 4.9
Zixuan Zhou,Yuhan Jiang,Xin Luo,Ying Zhang,Lei Wang,Yaguang Sun,Mingchang Zhu,Shuangyan Wu
The development of efficient, rapid, portable, and accurate analysis methods for detecting veterinary antibiotic residues in water matrices is highly demanded for environmental safety assessment. In this study, we have developed a sensor array (Cd-phen-PEDA) for the discrimination of various nitroimidazole antibiotics (NIIMs). The Cd-phen-PEDA sensor array exhibits high selectivity and sensitivity for the detection of metronidazole (MNZ), ornidazole (ONZ), and dimetridazole (DMZ). The limit of detection (LOD) for each antibiotic is 6.18 μM for MNZ, 4.80 μM for ONZ, and 5.40 μM for DMZ. The detection application of the Cd-phen-PEDA sensor array for nitroimidazole antibiotics (NIIMs) was successfully extended to real environmental samples. This demonstrates the practical applicability and reliability of the sensor in real-world scenarios, further enhancing its potential for environmental safety assessment. The Linear Discriminant Analysis (LDA) and hierarchical cluster analysis (HCA) results confirm the effectiveness of the Cd-phen-PEDA-based luminescent array in simultaneously identifying and detecting nitroimidazole antibiotics (NIIMs) in environmental samples. This dual analytical approach not only enhances the accuracy of detection but also provides a robust method for the discrimination and quantification of these antibiotics across various environmental matrices.
研究领域:
分析化学
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环境科学
·
药学
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DOI
高影响因子
Coatings
·
2019
·Vol. 9
·期 7
·421
·
IF 2.33
Lei Peng,Musong Lin,Sheng Zhang,Li Li,Qiang Fu,Junbo Hou
A self-healing coating with UV-shielding property was prepared in this paper. The self-healing property was based on the inclusion between a host (β-CD-TiO2) and a guest HEMA-Ad). After inclusion of the host and guest, the host–guest complex (HEMA-Ad/β-CD-TiO2) was polymerized with other reactive monomers (HEMA and BA) to obtain the final coating. The coating had good hydrophobicity (water contact angle >90°, moisture absorption rate <2%) and excellent UV-shielding performance (ultra-violet protect factor >90%), and could be firmly bonded to a soft substrate. In addition, the coating had good self-healing property, which means that cracks in the material can recover many times after being damaged and that the UV-shielding ability can be fully restored with the self-healing process.Keywords:coating;self-healing;UV-shielding;host–guest
研究领域:
材料科学
·
化学工程
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DOI
高影响因子
Journal of the Taiwan Institute of Chemical Engineers
·
2025
·
IF 6.3
Fazal Muhammad Khoso,Jin-Gang Yu
Background Self-assembled GO-based 3D composites with porous or layered architectures have shown distinct qualities in terms of excellent selectivity and high stability. The functionalization of GO with N- and S-rich compounds can enhance its selectivity by increasing active sites for the adsorption of Cd 2+ . Method By decorating GO with 2-mercapto-1,3,4-thiadiazole (MTD), a novel, environment-friendly, and cost-effective 3D MTD@GO 2:1/100 ° C/2 h composite with abundant active sites was successfully fabricated using a convenient facile one-step hydrothermal method. The 3D MTD@GO 2:1/100 ° C/2 h composite demonstrated exceptional selectivity and efficiency in removing Cd 2+ from aqueous solutions. Significant findings The batch adsorption studies were conducted to enhance the adsorption efficiency of 3D MTD@GO 2:1/100 ° C/2 h composite toward Cd 2+ ions, and an excellent adsorption capacity of 37.176 mg∙g -1 was obtained under optimized conditions ( t = 40 min, pH= 7, T = 298 K). The adsorption kinetic, isothermal, and thermodynamic studies showed that adsorption data were better demonstrated with the pseudo-second-order model ( R 2 = 0.999), and the Langmuir isotherm model suggested that the heterogeneous, surface chemisorption at monolayer coverage was the rate-limiting step, and the adsorption was endothermic. Analytical techniques such as SEM for morphology, elemental mapping analyses, and EDS, The Brunauer-Emmett-Teller (BET) method was used to determine the specific surface area (SSA), while the Barrett-Joyner-Halenda (BJH) method was utilized to analyse the pore size distribution., Zeta potential for surface charge, TGA for thermal stability, FT-IR for functional groups, and XPS were used to understand the adsorption mechanism and characterize the prepared 3D MTD@GO 2:1/100 ° C/2 h composite. The 3D MTD@GO 2:1/100 ° C/2 h composite with good stability also had a strong possibility of Cd 2+ ion recovery ( R = 92.94 %) from aqueous solution, and a promising ability to be reused for up to seven cycles. With these prominent qualities of selective adsorption for Cd 2+ ions, the 3D MTD@GO 2:1/100 ° C/2 h composite can be a suitable and sustainable material for wastewater treatment in practice.
研究领域:
环境科学
·
材料科学
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DOI
高影响因子
Journal of Materials Chemistry B
·
2015
·Vol. 3
·期 37
·7417-7426
·
IF 4.726
Lei Xu,Wenyan Zhang,Haibo Cai,Feng Liu,Yong Wang,Yun Gao,Weian Zhang
A light-controlled porphyrinic photosensitizer release system was developed based on host–guest TPP–Azo/PEG–β-CD supramolecular amphiphiles, which could significantly enhance the efficiency of photodynamic therapy. TPP–Azo was prepared via esterification between TPP and Azo derivatives, and further used to construct supramolecular amphiphiles with PEG–β-CD. TEM images showed that TPP–Azo/PEG–β-CD amphiphiles can self-assemble into spherical micelles, and then disaggregate under irradiation with 365 nm UV light. The phototoxicity and bio-distribution of TPP–Azo/PEG–β-CD micelles against the MCF-7 cell line were also evaluated by MTT assay, flow cytometry and confocal scanning laser microscopy, respectively. According to MTT assay, the IC50 of the spherical micelle was 31.2 μg mL−1, but it became 20.6 μg mL−1 upon pre-irradiation with 365 nm UV light. This shows for the first time that UV light can well stimulate the release of porphyrin photosensitizers and improve the photodynamic therapy efficiency based on the system of host–guest supramolecular amphiphiles.
研究领域:
生物化学
·
药理学
·
肿瘤学
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DOI
PubMed
高影响因子
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
·
2026
·
IF 7.9
Yuzhi Zhou,Linli Long,Jingyu Sun,Zongyao Li,Jingwei Niu,Jinming Duan,Min Chen,Boyu Wang,Xiaoyang Chen
Coal gangue (CG) is a mixture of abundant SiO 2 and Al 2 O 3 , and greatly suitable for the synthesis of zeolites. In this work, a cost-effective and eco-friendly tannic acid modified zeolite (zeolite@TA) was successfully developed via alkali melting-hydrothermal synthesis of zeolite from CG and followed by the modification of tannic acid onto zeolite surface using the dip-coating method. Organic additive-free fabrication process rendered zeolite@TA synthesis eco-friendly and cost-effective process. Various characterization results revealed the formation of zeolite structure, and tannic acid coating on zeolite. The results demonstrated that the zeolite@TA displayed a notable enhancement for Cd(Ⅱ) adsorption capacity, outperforming the zeolite derived from coal gangue, and zeolite@TA with a maximum theoretical Cd(Ⅱ) adsorption capacity of 184.5 mg/g exceeded zeolite (66.09 mg/g) by approximately 2.8-fold. From adsorption kinetic tests, the kinetic analysis confirmed pseudo-second-order model dominance. Among coexisting ions (Na⁺, K⁺, Mg²⁺ and NH₄⁺), Ca 2+ exhibited the strongest inhibitory effect on Cd(Ⅱ) adsorption. Thermodynamic parameters (△G°＜0, △H°＞0,△S°＞0) revealed the nature of spontaneous, endothermic and entropy-increasing process for zeolite@TA. Overall, Strategic utilization of coal gangue as a primary resource will establish a foundation for new waste-free technological solutions with dual economic-environmental benefits, and is equipped a prospective development space on wastewater cleanup applications.
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DOI
高影响因子
Journal of Environmental Sciences
·
2024
·
IF 5.9
Yafei Xia,Ting Gao,Yuhui Liu,Meng Qi,Jian-Ming Zhu,Hui Tong,Yiwen Lv,Chengshuai Liu
Coal power plants annually generate quantities of byproducts that release environmentally hazardous heavy metals like Cd and Pb. Understanding the behavior and spatiotemporal impacts on soils of these releases is crucial for pollution control. This study investigated the concentrations and isotope ratios of Cd/Pb in combustion byproducts, depositions and soils collected from a coal-fired power plant or its surrounding area. The pulverized fuel ash (PFA) and desulfurized gypsum (DG) exhibited heavier Cd isotopes with Δ 114 Cd values of 0.304‰ and 0.269‰, respectively, while bottom ash (BA) showed lighter Cd isotopes (Δ 114 Cd BA-coal = –0.078‰), compared to feed coal. We proposed a two-stage condensation process that governs the distribution of Cd/Pb, including accumulation on PFA and DG within electrostatic precipitators and desulfurization unit, as well as condensation onto fine particles upon release from the stack. Emissions from combustion and large-scale transport make a significant contribution to deposition, while the dispersion of Cd/Pb in deposition is primarily influenced by the prevailing wind patterns. However, the distribution of Cd/Pb in soils not only exhibit predominant wind control but is also potentially influenced by the resuspension of long-term storage byproducts. The power plant significantly contributes to soil in the NW–N–NE directions, even at a considerable distance (66%–79%), demonstrating its pervasive impact on remote regions along these orientations. Additionally, based on the vertical behavior in the profile, we have identified that Cd tends to migrate downward through leaching, while variations in Pb respond to the historical progression of dust removal.
研究领域:
环境科学
·
地球化学
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DOI
PubMed
高影响因子
REACTIVE & FUNCTIONAL POLYMERS
·
2020
·
IF 3.333
Pu Yang,Hui Cao,Di Mai,Tai Ye,Xiuxiu Wu,Min Yuan,Jingsong Yu,Fei Xu
A Cd(II) ion-imprinted polymers (SOS@Cd(II)-IIPs) with specific recognition property and high adsorption capacity was synthesized on a novel spheres-on-sphere (SOS) particle surface. Then, the obtained SOS@Cd(II)-IIPs were characterized and applied in solid phase extraction (SPE) column for the preconcentration of cadmium in real samples. The affinity constant (K ITC ), reaction enthalpy (ΔH), and entropy (ΔS) of Cd(II) binding to monomers (3-mercaptopropyl trimethoxysilane, MPTMS) were also determined by isothermal titration calorimetry (ITC) to analyse their adsorption mechanism. The coordination binding of Cd(II) to MPTMS was demonstrated as an exothermic process with a high K ITC value of 1.60×10 5 M −1 and an enthalpy value of −9.54 kJ∙mol −1 . The binding reaction was mainly driven by both enthalpy and entropy, and can be completed spontaneously at any temperatures. The SOS@Cd(II)-IIPs synthesized on the SOS particle surface exhibited a maximum adsorption capacity of 41.212 mg∙g −1 for Cd(II). Meanwhile, the SOS@Cd(II)-IIPs also showed a specificity recognition ability for Cd(II) using analogues Cu(II), Pb(II), Cr(II), and Ni(II) as interference. In real samples, SOS@Cd(II)-IIPs based SPE can extract approximately 95–105% of Cd(II) with a RSD of 3.41%–8.12%, indicating that it could have wide application prospects in Cd(II) adsorption and detection.
研究领域:
环境科学
·
分析化学
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DOI
高影响因子
FIBERS AND POLYMERS
·
2021
·Vol. 23
·期 2
·343-351
·
IF 2.153
Zhang Ruquan,Lei Min,Hu Bingyu,Tu Hu,Hu Min
A preparation method of compound foam dressing with antibacterial effect is introduced in this paper. Garlic oil, a natural antibacterial agent was coated with β-CD to form the garlic oil/β-CD microcapsule (MC). Then the microcapsule was added to the spinning solution with polyvinyl alcohol (PVA) and chitosan (CS) and was spun onto foam dressing to prepare garlic oil/CS/PVA nanofiber/foam compound dressings. The addition of garlic oil/β-CD microcapsule endowed the compound foam dressing with good antibacterial properties. The results shown that with the increase of MC, the antibacterial activity of compound dressing was further increased. MC 1.6 displayed the best antibacterial ability against E. coli and S. aureus (67.28 and 69.15 %), respectively. The liquid absorption properties increased from 16.86% to 17.91 % and the moisture content increased from 3.26 % to 5.29 %, compared to that of foam dressings. The mechanical properties of garlic oil/CS/PVA nanofiber/foam compound dressings increased by 4.6 N mm −2 compared with the foam compound dressings, and the elongation at break increased by about 11.3 %.
研究领域:
材料科学
·
生物医学工程
·
微生物学
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DOI
高影响因子
JOURNAL OF FOOD SCIENCE
·
2025
·Vol. 90
·期 2
·e70056
·
IF 3.4
Yihan Wang,Kai Wang,Xiaofeng Xiang,Shuming Zhang,Jie Huang,Chunhong Tang,Qiang Wang
The high cholesterol content of beef tallow is one of the potential risks affecting the nutritional value and safety of beef tallow hotpot. In this study, a novel pectin-crosslinked β-cyclodextrin (β-CD) complex was successfully prepared by the cross-linking method to reduce the cholesterol content in beef tallow. When 3% (by mass of beef tallow) of the pectin-crosslinked β-CD
complex was added, the removal rate of cholesterol in beef tallow reached 73.43%, which was significantly higher than that of the currently known materials, including β-CD. Moreover, the indexes such as fatty acid composition, chromaticity, and aroma components of beef tallow before and after cholesterol removal were measured. The results showed that the fatty acid composition and chromaticity value of beef tallow treated with the pectin-crosslinked β-CD complex did not change significantly, but the contents of aromatic components, aldehydes, ketones, and alcohol flavor compounds in beef tallow increased significantly. Through characterization experiments, it was confirmed that compared with β-CD, the pectin-crosslinked β-CD complex required a higher temperature to reach the maximum thermal decomposition rate, indicating that its structure had higher thermal stability and could effectively remove cholesterol under high-temperature conditions. In addition, after the nematode toxicity experiment, there was still a survival rate of 97.97%, indicating that the pectin-crosslinked β-CD complex could effectively reduce the cholesterol content in beef tallow without toxicity. These results suggest that the pectin-crosslinked β-CD complex has great potential as an adsorbent for removing cholesterol from animal fats and oils in the food industry.
研究领域:
食品科学
·
生物化学
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产品关联
DOI
PubMed
高影响因子
SCIENCE OF THE TOTAL ENVIRONMENT
·
2022
·
IF 10.753
Kaiyue Song,Chengjun Zhang,Jun Shan,Wenting Wang,Huiji Liu,Mengchang He
Simulating the adsorption behavior of Sb(V) on goethite is of great significance for predicting the mobility of Sb(V) in soil. However, there is still a lack of charge distribution and multisite surface complexation (CD-MUSIC) models that conform to the actual adsorption mechanism. Therefore, our research combined the previous EXAFS results with the SCMs and established two CD-MUSIC models (Model I, which introduced bidentate binuclear and bidentate mononuclear complexes, and Model II, which introduced bidentate mononuclear and monodentate mononuclear complexes). It is also one of the rare cases that bidentate edge- and corner-sharing adsorption complexes have been distinguished by introducing different amounts of H + . The results showed that Model I was more suitable for predicting the adsorption behavior of Sb(V) on the goethite surface than Model II. However, at low pH and high Sb(V) loading, the presence of the monodentate complex ≡FeOHSb(OH) 5 0.5- was possible due to the fast and slow two-step mechanism. Using the optimized CD-MUSIC model parameters, the contribution of surface species to the equilibrium adsorption under different conditions was determined. In the adsorption edge and adsorption isotherm simulation process, the edge-sharing bidentate mononuclear complex ≡(FeO) 2 H 2 Sb(OH) 4 was always the most important product, which was consistent with the results of extended X-ray absorption fine structure (EXAFS) analysis. The applicability of the model parameters was verified by predicting the competitive adsorption between PO 4 3− and Sb(V). The CD-MUSIC model established in the present study could be a useful tool for evaluating the equilibrium distribution behavior and environmental risk of Sb(V) in different types of soils.
研究领域:
环境科学
·
土壤学
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产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）