Journal of the Iranian Chemical Society最新文献

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Facile fabrication of a low-cost carboxymethyl cellulose–polyacrylamide composite for the highly efficient removal of cationic dye: optimization, kinetic and reusability 高效去除阳离子染料的低成本羧甲基纤维素-聚丙烯酰胺复合材料的制备:优化、动力学和可重用性
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-16 DOI: 10.1007/s13738-024-03132-5
Aseel M. Aljeboree, Haneen H. Ghazi, Shaymaa Abed Hussein, Mohammed Abed Jawad, Shahad Abdulhadi Khuder, Ayad F. Alkaim
{"title":"Facile fabrication of a low-cost carboxymethyl cellulose–polyacrylamide composite for the highly efficient removal of cationic dye: optimization, kinetic and reusability","authors":"Aseel M. Aljeboree,&nbsp;Haneen H. Ghazi,&nbsp;Shaymaa Abed Hussein,&nbsp;Mohammed Abed Jawad,&nbsp;Shahad Abdulhadi Khuder,&nbsp;Ayad F. Alkaim","doi":"10.1007/s13738-024-03132-5","DOIUrl":"10.1007/s13738-024-03132-5","url":null,"abstract":"<div><p>Bio-adsorbents with high adsorption efficiency, sustainability, and reusability are desired in wastewater treatments. Herein, a covalently cross-linked green macroparticle hydrogel biocomposite (AM-AC/CMC-Ca) as a bio-adsorbent was prepared through an acrylamide (AM) reaction with a polysaccharide carboxymethyl cellulose (CMC)-modified activated carbon (AC) and further Ca(II) cross-linking polymerization, with efficient removal of Safranin T (ST) cationic dye. FESFM/EDX, XRD, FTIR, BET, and TGA were used to limit the structure and characteristics of the biocomposite. The effects of the concentration for both AM, CMC, AC, and Ca(II) cross-linked on swelling behavior were studied, which yielded that the maximum swelling ratio (SR%) in distilled water was 3500%. The ST dye adsorption capacity was evaluated, and the results illustrated that (AM-AC/CMC-Ca) biocomposite prepared under the optimized conditions displays a super strong adsorption efficiency of 1558.52 mg/g and almost 100% removal efficiency within 1 h adsorption time at pH 7.6 and 25 °C. They decrease slightly with the decrease in pH 3, and the zero-point charge was determined to be 4.2. The pseudo-first-order, pseudo-second-order, chemisorption, and intra-particle diffusion kinetic models were useful to test the experimental result, the second order exhibited the best fit for the kinetic studies. The equilibrium result was assessed using the Freundlich, Langmuir, and Fritz–Schlender isotherm model, and the Freundlich isotherm best refers to the uptake of ST dye, which suggests that the adsorption of dye in this study onto biocomposite is heterogeneous with multilayers. Thermodynamic parameters indicated that the adsorption of ST dye onto the biocomposite was spontaneous (Δ<i>G</i> &lt; 0), and endothermic (Δ<i>H</i> &gt; 0). Additionally, the biocomposite showed high reusability and regeneration, maintaining an 88.8% removal capacity for ST dye after 6 cycles.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"22 1","pages":"91 - 111"},"PeriodicalIF":2.2,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis, characterization and dielectric properties evaluation of NiO-Co3O4 nanocomposite NiO-Co3O4纳米复合材料的合成、表征及介电性能评价
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-13 DOI: 10.1007/s13738-024-03129-0
Jalal Amir, Sheraz Muhammad, Muhammad Kashif, Azmat Ali Khan, Misbah Gul, Hao Sun, Muffarih Shah, Shohreh Azizi, Malik Maaza
{"title":"Synthesis, characterization and dielectric properties evaluation of NiO-Co3O4 nanocomposite","authors":"Jalal Amir,&nbsp;Sheraz Muhammad,&nbsp;Muhammad Kashif,&nbsp;Azmat Ali Khan,&nbsp;Misbah Gul,&nbsp;Hao Sun,&nbsp;Muffarih Shah,&nbsp;Shohreh Azizi,&nbsp;Malik Maaza","doi":"10.1007/s13738-024-03129-0","DOIUrl":"10.1007/s13738-024-03129-0","url":null,"abstract":"<div><p>Nanosized materials are increasingly being recognized as inherent components in the development of energy storage devices and other state-of-the-art dielectric applications. In this work, nickel oxide (NiO), cobalt oxide (Co<sub>3</sub>O<sub>4</sub>) and NiO–Co<sub>3</sub>O<sub>4</sub> nanocomposites in different compositions (10%, 20%, 30% and 40%) were successfully synthesized through hydrothermal method, optimizing concentrations of the precursors, and X-ray diffraction confirmed single-phase polycrystalline NiO and Co<sub>3</sub>O<sub>4</sub>. SEM images showed that distinct morphologies for each material and FTIR spectra reveal Ni–O and Co–O. UV–visible analysis shows a plasmon peak at 307 nm for NiO and excition absorption at 282 nm for Co<sub>3</sub>O<sub>4.</sub> NiO–Co<sub>3</sub>O<sub>4</sub> nanocomposites displayed band gaps ranging from 2.37 eV to 2.67 eV. Dielectric properties showed a decrease in εʹ with frequency, attributed to Maxwell–Wagner and hopping models. AC conductivity increased with frequency due to Co<sub>3</sub>O<sub>4</sub> content and oxygen vacancies. The study suggests potential applications in supercapacitors, spintronics, high-frequency devices and ultra-high dielectric materials.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"22 1","pages":"63 - 72"},"PeriodicalIF":2.2,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13738-024-03129-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of jute waste-based activated carbon supported copper oxide nanoparticles for hydrogen storage in MgH2 黄麻废活性炭负载氧化铜纳米颗粒在MgH2中储氢的制备
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-12 DOI: 10.1007/s13738-024-03130-7
Md. Wasikur Rahman, Yousuf Ali, M. Jasim Uddin, Md. Maksudur Rahman Khan, Stefano Enzo
{"title":"Preparation of jute waste-based activated carbon supported copper oxide nanoparticles for hydrogen storage in MgH2","authors":"Md. Wasikur Rahman,&nbsp;Yousuf Ali,&nbsp;M. Jasim Uddin,&nbsp;Md. Maksudur Rahman Khan,&nbsp;Stefano Enzo","doi":"10.1007/s13738-024-03130-7","DOIUrl":"10.1007/s13738-024-03130-7","url":null,"abstract":"<div><p>The development of hydrogen fuel vehicles is a critical issue in the face of increasing energy demands, depletion of fossil fuels, and the urgent need to reduce greenhouse gas emissions. Hydrogen, as a clean energy carrier, holds great promise for zero-emission vehicles. Magnesium hydride (MgH<sub>2</sub>) is considered a promising material for hydrogen storage due to its high storage capacity (7.6 wt% and 102 g/L) and non-toxic nature. However, its practical application is limited by slow hydrogen sorption kinetics and thermodynamic stability. This study hypothesizes that adding copper oxide nanoparticles (CuO-nano) supported on high surface area activated carbon (AC) can enhance the sorption properties of MgH<sub>2</sub>. AC derived from jute waste was used as a promoter in the ball-milled AC/MgH<sub>2</sub>/CuO composite. The results from thermogravimetric analysis (TGA) indicate significant improvements in hydrogen adsorption and desorption rates at standard temperature and pressure. According to TGA analysis the dehydrogenation onset temperature of the ball-milled composite decreased significantly from 400 (fresh MgH<sub>2</sub>) to 250 °C with the AC/CuO additive. The AC/MgH<sub>2</sub>/CuO (AMC) composite sample exhibited a hydrogen desorption rate of 90% within 10 min at 250 °C. These findings suggest that the addition of AC/CuO effectively enhances hydrogen adsorption and desorption performance. This finding opens a new pathway for the development of efficient hydrogen storage materials.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"22 1","pages":"73 - 82"},"PeriodicalIF":2.2,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methods for the fluorescence sensing of thiamine (vitamin B1)-by copper metal organic framework and rhodamine b on graphene oxide with cucurbit[7]uril 利用铜金属有机框架和罗丹明 b 在石墨烯氧化物上与葫芦[7]脲进行硫胺素(维生素 B1)荧光传感的方法
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-10 DOI: 10.1007/s13738-024-03133-4
Pavitra Rajendran, Sudha Sankaran, Lakshminarayanan Piramuthu, Cheng Yang, E. R. Nagarajan, Narayanan Selvapalam
{"title":"Methods for the fluorescence sensing of thiamine (vitamin B1)-by copper metal organic framework and rhodamine b on graphene oxide with cucurbit[7]uril","authors":"Pavitra Rajendran,&nbsp;Sudha Sankaran,&nbsp;Lakshminarayanan Piramuthu,&nbsp;Cheng Yang,&nbsp;E. R. Nagarajan,&nbsp;Narayanan Selvapalam","doi":"10.1007/s13738-024-03133-4","DOIUrl":"10.1007/s13738-024-03133-4","url":null,"abstract":"<div><p>Thiamine detection has been developed using Copper-Metal Organic Frameworks (CuMOF) and Rhodamine B-complexed Graphene Oxide (RhGO), facilitating both direct and indirect fluorescence-based sensing of thiamine. Both these methods are less cumbersome and sensitive fluorometric methods which are developed from less expensive materials. CuMOF offered the oxidation route of thiamine to thiochrome, which is a fluorescence compound; through which thiamine was detected conveniently by measuring thiochrome. On the other hand, rhodamine B bound graphene oxide–RhGO, released rhodamine B upon interaction with the thiamine through the competitive binding against the rhodamine B located on the graphene oxide, which allowed us to develop a facile sensor for thiamine in DMF. Moreover, the sensitivity of the sensor was improved through the encapsulation effect with cucurbit[7]uril (CB[7]). The limits of detection (LOD) for CuMOF and RhGO with CB[7] were determined to be 48.39 × 10<sup>–8</sup> M and 68.33 × 10<sup>–8</sup> M, respectively. The sensing ability of RhGO was effectively utilized in commercially available thiamine drugs, and its performance was evaluated against other hydrochloride drugs such as metformin, ciprofloxacin, and cetirizine demonstrating its suitability for real-time sample analysis. This approach provides a practical solution for both analytical and pharmaceutical laboratories. Overall, two different detection methods for thiamine have been developed with good selectivity and sensitivity.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"2983 - 2991"},"PeriodicalIF":2.2,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Method for analyzing nitrogen trifluoride impurities in high-purity carbon tetrafluoride by gas chromatography 利用气相色谱法分析高纯度四氟化碳中三氟化氮杂质的方法
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-10 DOI: 10.1007/s13738-024-03134-3
Mengdan Wang, Zhenquan Han, Jianyue Li, Yinhai Zhou, Jinlong Wang
{"title":"Method for analyzing nitrogen trifluoride impurities in high-purity carbon tetrafluoride by gas chromatography","authors":"Mengdan Wang,&nbsp;Zhenquan Han,&nbsp;Jianyue Li,&nbsp;Yinhai Zhou,&nbsp;Jinlong Wang","doi":"10.1007/s13738-024-03134-3","DOIUrl":"10.1007/s13738-024-03134-3","url":null,"abstract":"<div><p>A method for the analysis of trace nitrogen trifluoride impurities in high-purity carbon tetrafluoride (≥ 99.999%) by gas chromatography equipped with a flame ionization detector is described. A 10-port valve and three columns have been used in this instrument system, which can completely separate nitrogen trifluoride and carbon tetrafluoride. In the best analytical conditions, the quantification limit was estimated at 16.62 ppb for an injected sample volume of 1 mL. Furthermore, this method can be completed by one sample injection without the need to vent some of the main component-high-purity carbon tetrafluoride through the valve switch, which is more accurate and simple.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"2993 - 3000"},"PeriodicalIF":2.2,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient and selective oxidation of alcohols and hydrocarbons catalyzed by oxovanadium(IV) unsymmetrical salophen complex supported on silica-coated CoFe2O4 magnetic nanoparticles 二氧化硅包覆的 CoFe2O4 磁性纳米粒子上支持的氧钒(IV)不对称盐基络合物催化的醇类和碳氢化合物的高效和选择性氧化作用
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-08 DOI: 10.1007/s13738-024-03128-1
Mehdi Hatefi Ardakani, Atena Naeimi, Zeynab Mohammadabadi
{"title":"Efficient and selective oxidation of alcohols and hydrocarbons catalyzed by oxovanadium(IV) unsymmetrical salophen complex supported on silica-coated CoFe2O4 magnetic nanoparticles","authors":"Mehdi Hatefi Ardakani,&nbsp;Atena Naeimi,&nbsp;Zeynab Mohammadabadi","doi":"10.1007/s13738-024-03128-1","DOIUrl":"10.1007/s13738-024-03128-1","url":null,"abstract":"<div><p>In this study, the catalytic activity of an oxovanadium(IV) unsymmetrical salophen complex immobilized on chloro-functionalized silica-coated CoFe<sub>2</sub>O<sub>4</sub> magnetic nanoparticles CoFe<sub>2</sub>O<sub>4</sub>@SiO<sub>2</sub>@CPTMS@VO(salophen-OH), in which salophen-OH = 4-[(E)-{(2-[(E)-2-hydroxybenzylidene)amino]phenyl}imino)methyl]benzene-1,3-diol was explored in the oxidation of alcohols and hydrocarbons. This heterogeneous nanocatalyst showed high activity and selectivity in oxidizing various primary and secondary alcohols to the equivalent aldehydes and ketones with 30% H<sub>2</sub>O<sub>2</sub> as a green oxidant in polyethylene glycol (PEG) as an eco-friendly solvent at 80 °C. Furthermore, the above catalyst demonstrated significant catalytic efficiency in the alkene epoxidation and alkane hydroxylation using <i>tert</i>-butyl hydroperoxide (<i>tert</i>-BuOOH), and the corresponding products were achieved in good to excellent yields in acetonitrile at ambient temperature. This magnetic nanocatalyst can be easily separated from the reaction mixture utilizing an external magnet and reused up to five times without significant activity loss. Moreover, the recovered catalyst’s structure was scrutinized using Fourier transform infrared (FT-IR), vibrating sample magnetometry (VSM), and X-ray diffraction (XRD) techniques, which confirmed that the structure of the catalyst remained unaltered post-recovery.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"3013 - 3024"},"PeriodicalIF":2.2,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New luminescent Eu(III) and Er(III) Schiff base complexes: synthesis, characterization and luminescence properties 新的发光 Eu(III) 和 Er(III) 席夫碱配合物:合成、表征和发光特性
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-05 DOI: 10.1007/s13738-024-03117-4
Aziza Sarwar, Mustaffa Shamsuddin, Karimah Kassim, Ehsanullah Kakar, Hamid Ullah, Shazia Iqbal
{"title":"New luminescent Eu(III) and Er(III) Schiff base complexes: synthesis, characterization and luminescence properties","authors":"Aziza Sarwar,&nbsp;Mustaffa Shamsuddin,&nbsp;Karimah Kassim,&nbsp;Ehsanullah Kakar,&nbsp;Hamid Ullah,&nbsp;Shazia Iqbal","doi":"10.1007/s13738-024-03117-4","DOIUrl":"10.1007/s13738-024-03117-4","url":null,"abstract":"<div><p>Two new complexes of europium (III) and erbium (III) were synthesized from diaminodiphenylether bridged spacer in 1:1 molar ratio of ligand and metal salt, whereas the ligand was synthesized in 1:2 molar ratio of diaminodiphenylether and aldehyde. The synthesized complexes were structurally analyzed through nuclear magnetic resonance (NMR), Fourier transform infrared (FTIR), energy-dispersive X-ray diffraction (EDX), UV–visible and photoluminescence spectroscopy. In both synthesized complexes, the metals were found in coordination to nitrogen and oxygen atoms of the azomethine (HC = N) and hydroxyl (–OH) groups as evident by FTIR and NMR spectral results in both synthesized complexes. Molar conductivity data for Eu(III) and Er(III) observed in the range of 129–135.5 Ω<sup>−1</sup>cm<sup>2</sup> mol<sup>−1</sup> determined that both complexes were 1:2 electrolytes. The presence of characteristic peaks for Eu, C, O and N was clearly identified in energy-dispersive X-ray diffraction, which confirmed its successful synthesis. Furthermore, the luminescence behavior of the complexes was investigated in the solution state with dichloromethane (DCM). Upon excitation at 274 nm, both complexes exhibited two emission bands centered at 379 nm to 399 nm and 519 nm for Eu(III) and Er(III). Consequently, the good emission properties illustrated that the synthesized complexes featured their potential as promising cost-effective luminescent materials.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"2933 - 2942"},"PeriodicalIF":2.2,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regioselective ROH-epoxystyrene-opening over MWCNTs-[N4] macrocycle comprising Cu(II), Fe(III) or Cr(III) 在包含铜(II)、铁(III)或铬(III)的 MWCNTs-[N4]大环上进行区域选择性 ROH 环氧苯乙烯开环
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-05 DOI: 10.1007/s13738-024-03123-6
Sommayyeh Golsanamlou, Aliakbar Tarlani, Khashayar Narimani, Ehsan Hassani, Kioumars Aghapoor
{"title":"Regioselective ROH-epoxystyrene-opening over MWCNTs-[N4] macrocycle comprising Cu(II), Fe(III) or Cr(III)","authors":"Sommayyeh Golsanamlou,&nbsp;Aliakbar Tarlani,&nbsp;Khashayar Narimani,&nbsp;Ehsan Hassani,&nbsp;Kioumars Aghapoor","doi":"10.1007/s13738-024-03123-6","DOIUrl":"10.1007/s13738-024-03123-6","url":null,"abstract":"<div><p>By considering the importance of heterogeneous catalysts with separation and recycling ability from the reaction environment and ring opening of epoxide as a regularly essential conversion in organic synthesis, tetraaza macrocyclic complexes of Cu(П), Fe(IП) and Cr(Ш) were grafted on the acylated multiwalled carbon nanotubes (MWCNTs) to produce new nanocomposites as heterogeneous catalysts. Then the nanocomposites were applied in the regioselective ring-opening reaction of epoxystyrene with different alcohols to obtain β-alkoxy compounds. For the characterization of tetraazamacrocycle and nanocomposites, FT-IR, TGA, XRD, FE-SEM and Raman were employed. Results showed that the complexes were successfully grafted on the functionalized MWCNTs. Ring-opening reactions took place at high yield and favorite time, especially for the shorter chain alcohols. In the best case, nanocomposite containing Fe(Ш) (MWCNTs-C (=O)–TAM·Fe<sup>III</sup>) accomplished the ring opening of epoxystyrene by methanol (100%) within 15 min at 50 °C, and after 3 recycling test, there are negligible changes in its catalytic performance.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"2961 - 2973"},"PeriodicalIF":2.2,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Colorimetric assay of NO2− and Hg2+ through on–off strategy of the Cu, Mo-CDs nanozyme 通过 Cu、Mo-CDs 纳米酶的开关策略对 NO2- 和 Hg2+ 进行比色分析
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-05 DOI: 10.1007/s13738-024-03119-2
Hongmei Pu, Yifan Cui, Haidan Wang, Lijuan Yu, Dezhi Yang, Yaling Yang, Hong Li
{"title":"Colorimetric assay of NO2− and Hg2+ through on–off strategy of the Cu, Mo-CDs nanozyme","authors":"Hongmei Pu,&nbsp;Yifan Cui,&nbsp;Haidan Wang,&nbsp;Lijuan Yu,&nbsp;Dezhi Yang,&nbsp;Yaling Yang,&nbsp;Hong Li","doi":"10.1007/s13738-024-03119-2","DOIUrl":"10.1007/s13738-024-03119-2","url":null,"abstract":"<div><p>Until now, there have been many reports on the regulation of inorganic metal ions on the catalytic activity of nanozymes, but few reports on the regulation of anions (such as NO<sub>2</sub><sup>−</sup>) on enzyme activity. In this work, a copper-molybdenum doped carbon dots (Cu, Mo-CDs) with peroxidase-like (POD) activity was synthesized by simple one-step microwave digestion method. The Cu, Mo-CDs + NO<sub>2</sub><sup>−</sup> system can promote 3,3′,5,5′-tetramethylbenzidine (TMB) oxidizing to blue oxidative product (oxTMB) due to the formation of ∙NO<sub>2</sub> free radical. While Hg<sup>2+</sup> was introduced into the system, the POD-like activity of Cu, Mo-CDs + NO<sub>2</sub><sup>−</sup> system was inhibited due to the strong interaction and the electron transfer between Cu, Mo-CDs and Hg<sup>2+</sup>. The formation of ∙NO<sub>2</sub> and the electron transfer capability of Cu, Mo-CDs + Hg<sup>2+</sup> were confirmed through ESR spectra and FMN experiments. The bioenzyme-free colorimetric assay based on Cu, Mo-CDs nanozyme is used for detection of NO<sub>2</sub><sup>−</sup> and Hg<sup>2+</sup>, showing lower detection limit (LOD) of 1.63 µg/L for NO<sub>2</sub><sup>−</sup>, 0.13 µg/L for Hg<sup>2+</sup>, respectively and good recovery from 90.79 to 108.90%. The work paves a new way to design a nanozyme-based colorimetric protocol for traces NO<sub>2</sub><sup>−</sup> and Hg<sup>2+</sup> residues in food analysis.</p></div>","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"2943 - 2953"},"PeriodicalIF":2.2,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retraction Note: Metal-ion-directed synthesis of two nanostructured coordination polymers: topological diversity and growth inhibition of human glioma cells 撤稿说明:金属离子定向合成两种纳米结构配位聚合物:拓扑多样性和对人类胶质瘤细胞的生长抑制作用
IF 2.2 4区 化学
Journal of the Iranian Chemical Society Pub Date : 2024-11-04 DOI: 10.1007/s13738-024-03126-3
Bo Wei, Chao Du, Le Wang, Da-Liang Kong, Rui Wang
{"title":"Retraction Note: Metal-ion-directed synthesis of two nanostructured coordination polymers: topological diversity and growth inhibition of human glioma cells","authors":"Bo Wei,&nbsp;Chao Du,&nbsp;Le Wang,&nbsp;Da-Liang Kong,&nbsp;Rui Wang","doi":"10.1007/s13738-024-03126-3","DOIUrl":"10.1007/s13738-024-03126-3","url":null,"abstract":"","PeriodicalId":676,"journal":{"name":"Journal of the Iranian Chemical Society","volume":"21 12","pages":"3025 - 3025"},"PeriodicalIF":2.2,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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