Scientific Reports
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2019
·Vol. 9
·期 1
·1-9
·
IF 4.011
Li Chen,Wang Lijie,Yuan Min,Xu Hong,Dong Jinxiang
Here, we bridge the gap between carbon mineralization and laundry detergent builder with sodium oxalate. Daily laundry can help mineralize carbon dioxide. First, we screen an environment-friendly process to produce sodium oxalate, using CO 2 as a raw material. Then, we evaluate the properties of sodium oxalate as a detergent builder and prove the formation of calcium oxalate under laundry conditions. Our data suggest that sodium oxalate has excellent calcium-removing properties. Detergents based on sodium oxalate have good detergency. Furthermore, solid calcium oxalates (calcium oxalate monohydrate or calcium oxalate dihydrate, which has good stability in water and thermal stability), is obtained from washing waters. These results demonstrate the possibility of using sodium oxalate as detergent builder. The whole process can transform the greenhouse gas CO 2 into commodity chemicals and can mineralize carbon.
研究领域:
环境科学
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化学工程
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DOI
PubMed
高影响因子
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
·
2016
·Vol. 163
·期 10
·A2240
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IF 3.014
Cheng Ma,Yuehong Shu,Hongyu Chen
An environmental friendly recycling process is investigated to recover lead as leady oxide from spent lead-acid battery paste. In this study, sodium oxalate as a desulfurizer and oxalate acid as a reducing agent have been used to leach three major components (PbSO4, PbO2 and PbO) respectively to obtain the optimal reaction conditions for real industrial spent lead paste leaching. In this sodium oxalate and oxalate acid leaching system, no extra reducing agent was needed any more to reduce PbO2. The results show that sodium oxalate exhibits much higher desulfurization efficiency for PbSO4, and PbO2 can be reduced easily in oxalate acid solution under the optimum conditions with an ratio of 1.25:1, an ratio of 2:1 at 60°C for 70 min. Lead oxalate precursor is calcined in air or N2, porous α-PbO is the only product in air and the calcination products are PbO and metallic Pb in N2 confirmed by morphology and structure characterizations, which is appropriate for lead-acid battery manufacturing. The recycling products were reused directly in lead-acid battery assembling as positive active materials and the assembled batteries show a good cyclic stability in 50 discharge/charge cycles.
研究领域:
化学工程
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材料科学
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环境科学
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DOI
高影响因子
TENSIDE SURFACTANTS DETERGENTS
·
2022
·Vol. 59
·期 3
·221-230
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IF 1.058
Fengli Gong,Hong Xu,Jinxiang Dong
Sodium oxalate (Na 2 C 2 O 4 ) is an excellent phosphorus-free agent, but in sodium oxalate-containing detergents with sodium dodecylbenzene sulfonate (SDBS) and sodium carboxymethyl cellulose (CMC), significant ash deposition occurs on cotton fabrics. SDBS is the main anionic surfactant in modern detergents and cotton fiber is the most commonly used textile fiber. In this study, sodium lignosulfonate (LS) was investigated for its ability to prevent redeposition in SDBS-Na 2 C 2 O 4 -CMC-LS formulations. The effects of LS on ash content, whiteness, optimum washing temperature, calcium oxalate morphology, zeta potential and surface tension were carefully analyzed. The results showed that the addition of LS significantly improved the prevention of ash deposits on cotton fibers. The ash content was less than 0.46% and a small amount of particles were scattered on the cotton fibers. LS showed good dispersibility but had little effect on the washing power and zeta-potential.
研究领域:
材料科学
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纺织工程
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表面化学
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DOI
高影响因子
JOURNAL OF NANOBIOTECHNOLOGY
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2021
·Vol. 19
·期 1
·1-11
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IF 10.435
Xu Zhuomin,Zheng Shanshan,Gao Xin,Hong Yulu,Cai Yue,Zhang Qiuqin,Xiang Jiani,Xie Dehui,Song Fuxing,Zhang Huawei,Wang Hong,Sun Xuanrong
Background Chrysomycin A (CA) has been reported as numerous excellent biological activities, such as antineoplastic and antibacterial. Though, poor solubility of CA limited its application in medical field. Due to good amphiphilicity and potential anticancer effect of disodium glycyrrhizin (Na2GA) as an excipient, an amorphous solid dispersion (Na2GA/CA-BM) consisting of CA and Na2GA was prepared in the present study by mechanochemical technology (roll mill ML-007, zirconium balls, 30 rpm, 2.5 h) to improve the solubility and oral bioavailability of CA. Then, Na2GA/CA-BM was self-assembled to micelles in water. The interaction of CA and Na2GA in solid state were investigated by X-ray diffraction studies, polarized light microscopy, and scanning electron microscope. Meanwhile, the properties of the sample solution were analyzed by dynamic light scattering and transmission electron. Furthermore, the oral bioavailability and antitumor ability of Na2GA/CA-BM in vivo were tested, providing a theoretical basis for future application of CA on cancer therapy.Results CA encapsulated by Na2GA was self-assembled to nano-micelles in water. The average diameter of nano-micelle was 131.6 nm, and zeta potential was − 11.7 mV. Three physicochemical detections showed that CA was transformed from crystal into amorphous form after treated with ball milling and the solubility increased by 50 times. Na2GA/CA-BM showed a significant increase of the bioavailability about two time that of free CA. Compared with free CA, the in-vivo antitumor studies also exhibited that Na2GA/CA-BM had an excellent inhibition of tumor growth.Conclusion sNa2GA/CA-BM nanoparticles (131.6 nm, − 11.7 mV) prepared by simple and low-cost mechanochemical technology can improve oral bioavailability and antitumor efficacy of CA in vivo, suggesting a potential formulation for efficient anticancer treatment.Graphic abstract
研究领域:
药剂学
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肿瘤学
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药物化学
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PubMed
高影响因子
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
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2020
·
IF 1.701
Chen Li,Lijie Wang,Hong Xu,Jinxiang Dong
Sodium oxalate is a detergent builder candidate due to its good performance in detergent formulations. However, sodium oxalate softens water by forming precipitates, thus preventing calcium oxalates from depositing on fabrics is a key goal for sodium oxalate-based detergents. Surfactants and builders are two main ingredients in detergents. Here, six anionic surfactants were chosen to study their deposition effects on cotton fabric during washing. Ash deposition analysis was used to evaluate the amount of calcium oxalate deposition on cotton fabric. X-ray diffractometer and scan electron microscope were performed to the study crystal phase and morphological changes of calcium oxalates in the presence of the different anionic surfactants, and the total interaction energy between calcium oxalates and cotton fabric was calculated by Derjaguin–Landau–Verwey–Overbeek (DLVO) theory in each case. The results showed that different anionic surfactants have a different effect on the ash deposition, primarily that the concentration of surfactants had less influence on the deposition with the exceptions of sodium dodecyl benzene sulfonates (SDBS) and sodium methyl ester sulfonates (MES). Anionic surfactants can influence both phase and morphology of calcium oxalates, which might influence the zeta potential of the calcium oxalates. When the calcium oxalates are of the same phase, the deposition amount decreased with increasing maximum total interaction energy (VTmax). The greatest decrease in calcium oxalates deposition occurred in the presence of sodium alkyl ether sulfates (AES) and disodium lauryl sulfosuccinates (AEMES), of which VTmax is the largest.
研究领域:
材料科学
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纺织化学
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表面化学
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胶体与界面科学
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化学工程
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分析化学
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DOI
高影响因子
RSC Advances
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2025
·Vol. 15
·期 48
·40478-40490
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IF 4.6
Qisong Feng,Junjun Ma,Yankun Shen,Zheng Zhou,Shilian Wu,Juan Wang,Junpeng Li,Yu Yang
Flexible printed electronics represent a swift, efficient, and cost-effective technique for depositing metallic conductive materials onto flexible substrates, particularly with the pivotal advancement of functional conductive inks. Metal–organic decomposition conductive inks have garnered substantial interest owing to their straightforward synthesis, convenient storage, and low processing temperatures. However, during low-temperature heating, these inks frequently encounter issues such as fast pyrolysis and gas escape, leading to numerous defects in the microstructure of silver films. Moreover, low silver content results in a high volumetric shrinkage rate, negatively impacting electrical conductivity. To address these limitations, this study synthesized four distinct silver precursors and conducted an in-depth analysis of their chemical compositions, thermal behaviors, and microscopic morphologies. Conductive inks were developed with a high silver content using silver citrate as the silver source with gradient thermal volatilization and low-temperature reduction properties. The impact of solvents and complexing agents on the performance of ink formulations was then examined. Furthermore, the evolution of the inks' microstructure was investigated during thermal decomposition along with the influence of the microscopic morphology on electrical conductivity. Finally, the thermal decomposition mechanism was elucidated in detail. By introducing organic solvents with varying boiling points, the intensity of thermal decomposition was effectively reduced, thereby minimizing the appearance of surface defects such as bubble holes and sintering marks. This strategy significantly enhanced the density of the silver film, reduced its surface roughness, and improved its electrical conductivity.
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PubMed
高影响因子
FREE RADICAL BIOLOGY AND MEDICINE
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2025
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IF 8.2
Junxuan Fang,Yan Lei,Yuling Liang,Wenjian Lin,Yuanpeng Nie,Lingyan Fei,Jiawen Lin,Lei Lei,Zhihua Zheng,Shan Jiang,Xiaohua Wang
Kidney stone is one of the most common urologic diseases worldwide. In general, about 80% of kidney stones are composed of calcium oxalate (CaOx) and calcium phosphate. Activation of oxidative stress has been commonly recognized as a key target for CaOx nephrolithiasis. In this respect, it is important to identify novel and effective antioxidant agents for CaOx nephrolithiasis therapy. Arbutin, a glycosylated compound of hydroquinone, plays a protective role in many organs such as neuron, heart and liver by mitigating oxidative stress. Nevertheless, it remains unclear whether, and if so how, arbutin improvs CaOx-induced crystal deposition and kidney injury. Here, a mouse model of CaOx nephrolithiasis was established by feeding high-oxalate diet removed calcium. TMT proteomics was used to discover possible targets for arbutin. We observed that arbutin reduced CaOx crystal deposition and increased cell viability in HK-2 cells. Proteomics data revealed that the expression of Nrf2 downstream effectors were upregulated in CaOx crystal and arbutin co-treated HK-2 cells, compared with CaOx crystal-only treated HK-2 cells. Molecular docking predicted the binding between arbutin and Nrf2-Keap1 complex was stable. CaOx crystal-induced activation of oxidative stress also could be alleviated by arbutin in HK-2 cells and mouse kidney tissue. Furthermore, mouse model of CaOx nephrolithiasis received arbutin improved CaOx -induced crystal deposition and kidney injury. Administration of arbutin enhanced Nrf2 and p-Nrf2 expression in CaOx crystal treated HK-2 cells and mouse kidney tissue. Further, suppression of Nrf2 by its inhibitor ML385 not only aggravated CaOx -induced crystal deposition and kidney injury but also abolished the therapeutic effect of arbutin on CaOx nephrolithiasis. Finally, ML385 and Nrf2-siRNA abrogated the protective effect of arbutin against CaOx crystal-induced oxidative stress. In summary, arbutin improves CaOx-induced crystal deposition and kidney injury via activating Nrf2, which have important clinical implications in the treatment of CaOx nephrolithiasis.
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高影响因子
Journal of Environmental Chemical Engineering
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2025
·Vol. 14
·期 1
·120546
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IF 7.2
JinCheng Dai,Shuyue He,Xiyu Song,Hongjuan Zhang,Ruyi Xie
The construction of heterojunction photo-Fenton catalysts to activate hydrogen peroxide for the efficient degradation of organic pollutants in water has attracted considerable attention. Herein, a CuBi 2 O 4 @MIL-53(Fe) Z-scheme heterojunction catalyst was successfully prepared by solvothermal method for tetracycline (TC) degradation. In this catalytic system, the heterogeneous photocatalytic reaction and the Fenton reaction form a strong synergistic effect in the degradation of organic pollutants through the transfer of photogenerated electrons. The results indicate that in the presence of trace concentrations of H 2 O 2 (2.60 mM), 0.20 g/L of MC-15 (with CuBi 2 O 4 accounting for 15 % of the mass of MIL-53(Fe)) exhibited the highest catalytic activity, with a TC (150 mg/L) removal rate of 94.0 % after 50 min of visible light irradiation. Interestingly, the MC-15 catalyst can still achieve a removal rate of 62.1 % of TC even under dark conditions. Furthermore, in degradation experiments, MC-15 exhibited high environmental stability and applicability in different natural water system. The excellent catalytic performance of the light/MC-15/H 2 O 2 system is attributed to the quick separation of photogenerated electron-hole pairs from Z-scheme heterojunction CuBi 2 O 4 @MIL-53(Fe) and the accelerated bimetallic ions cycle. A possible photo-Fenton catalytic mechanism of MC-15 catalyst is proposed based photoelectrochemical tests, free radical capture experiment and electron paramagnetic resonance (EPR) analysis. This study provides a reference for the development of iron-based metal-organic framework composite photo-Fenton catalysts.
研究领域:
环境催化
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材料科学
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水处理技术
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高级氧化过程
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多相催化
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高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2025
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IF 5.4
Daiwei Li,Kejie Dai,Yajuan Xu,Jia Dong,Jiao Zhang,Siqi Ying,Huihui Gan,Cuiqing Zhang,Fengyuan Ling,Shizheng Zheng,Changyuan Hu
To overcome the limitations of insufficient active sites and rapid charge recombination in conventional bismuth oxyhalide (BiOX) photocatalysts, we developed a novel CAU-17-derived strategy for constructing hollow tubular BiOX solid solutions with oxygen vacancies (OVs). The confined chemical environment in the CAU-17 precursor provides favorable conditions for the preparation of OVs-enriched BiOX solid solutions via a one-pot, low-temperature halogenation method. This method is applicable to the preparation of diverse BiOX solid solutions like BiOCl x Br 1-x and BiOBr x I 1-x . The CAU-17 halogenation simultaneously endows BiOX solid solutions with a hollow tubular architecture, an enhanced specific surface area, and residual organic carbon. The embedded carbon establishes conductive pathways that significantly enhance the migration efficiency of charge carriers. Importantly, the formation of solid solution can strengthen the intensity of inherent IEF between [X m ] layer and [Bi 2 O 2 ] layer, thereby enhancing the driving force for carrier separation. OVs, as electron traps, also contribute to improve the carrier separation efficiency. The hollow tubular structure and favorable carrier separation efficiency collectively empower OVs-BiOCl 0.5 Br 0.5 /C with superior visible-light activity, impressively degrading 90 % of Rhodamine B within 60 min primarily through •O 2 - and h + active species. This work supplies a versatile MOF-derived approach for the synthesis of hollow tubular BiOX solid solution with oxygen defect as high performance photocatalyst.
研究领域:
材料科学
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光催化
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纳米材料
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环境化学
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无机化学
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DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Jieyi Wang,Hairong Shen,Mengke Li,Chenquan Ni,Hui Zhong,Zhiguo He
In this work, sulfidation modification of copper tailings (CT) yields a cost-effective catalyst (S-CT) for peroxymonosulfate (PMS) activation. In situ-grown sulfur vacancy (S V )-rich Fe 3 S 4 nanoparticles on S-CT surface plays a pivotal role, elevating the degradation kinetic constant ( k obs ) of salicylhydroxamic acid (SHA) in the S-CT/PMS system to 40-fold that of the CT/PMS system (0.1641 min −1 vs. 0.0041 min −1 ). The synergistic radical/non-radical pathways involving surface-bound •OH (•OH surface ), 1 O 2 and Fe IV O preferentially attack the hydroxamic acid group (-CONHOH) of SHA, achieving its complete degradation. Notably, S V narrows the p-d band gap of Fe 3 S 4 , significantly strengthening the electron transfer between Fe and S sites while enhancing the adsorption-activation of PMS. Therefore, S-CT exhibits more remarkable catalytic performance compared to other solid waste-derived catalysts previously developed by our group. In summary, this study provides an innovative and practical strategy for developing environmental remediation materials from copper tailings, showcasing its promising potential in organic wastewater treatment.
研究领域:
环境科学
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材料化学
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废物资源化
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高级氧化技术
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DOI
高影响因子
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
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2025
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IF 4.7
Zhuo Wang,Yihao Zhang,Wenjie Xing,Shen Zhang
In terms of the possible threats for our health, establishing efficacious strategies to determine Cr(VI) in drinking water is of significance. In this work, the fluorescence sensing of Cr(VI) was swimmingly performed based on blue-emitting carbon quantum dots (B-CQDs), which were developed using navel orange peel and N -acetyl-L-cysteine. The maximum emission wavelength was located at 433 nm when the excitation wavelength was 353 nm. After introducing Cr(VI), fluorescence quenching phenomenon was prominently displayed. Based on static quenching mechanism, a selective and sensitive fluorescence detection platform was successfully established. The wider linear range of 0–60 μM and detection limit of 0.084 μM was superior or equal to other methods. Moreover, the practical applications in real water obtained satisfactory recoveries. Taking into account the above analysis, this B-CQDs was very promising for Cr(VI) determination.
研究领域:
环境化学
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分析化学
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纳米材料
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饮水安全
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荧光检测
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DOI
高影响因子
iScience
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2025
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IF 4.1
Shengdong Tao,Yanyan Xuan,Jian Li,Kewei Lei,Zulv Huang,Guowen He,Kun Shen,Zheng Liu,Zhifang Yin
Low initial coulombic efficiency of hard carbon anodes and irreversible sodium loss during cycling in Sodium-ion batteries (SIBs) lead to reduced specific capacity and shortened cycle life. Introducing sodium supplementation can effectively enhance the specific capacity and cycle life of SIBs. Na 2 C 2 O 4 was selected as the sodium compensation agent owing to its high theoretical capacity, excellent chemical stability, and environmental friendliness. To improve conductivity and reduce decomposition voltage of Na 2 C 2 O 4 , carbon nanotubes (CNTs) were employed for coating. The optimized 10% CNT-coated sodium oxalate (CNT-10@Na 2 C 2 O 4 ) exhibited a reduced initial decomposition voltage of 3.82 V (vs. Na + /Na) and delivered an irreversible (sodium compensation) capacity of 392.65 mAh g -1 . NNFMO-CN||HC full cells were assembled using NaNi 1/3 Fe 1/3 Mn 1/3 O 2 cathode containing with 10% CNT-10@Na 2 C 2 O 4 and hard carbon (HC) anode, demonstrating a discharge retention capacity of 38.35 mAh g -1 after 100 cycles, higher than retained capacity only 15.16 mAh g -1 of NNFMO||Na cell without CNT-10@Na 2 C 2 O 4 . These results indicate that CNT-10@Na 2 C 2 O 4 significantly improving the specific capacity and cycling performance of sodium-ion batteries.
研究领域:
储能
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材料科学
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电化学
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DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）