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From tradition to innovation: Systematic analysis of quality markers (Q-markers) in traditional Chinese medicine 从传统到创新:中药质量标记(q)的系统分析
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-27 DOI: 10.1016/j.cjac.2025.100502
Jingru Mu , Hongwei Li , Mengwei Xu , Tingting Luo , Zhixiu Luo , Ning Yang , Delin Xu
As a cornerstone of Chinese medicine, the quality of Chinese medicinal materials is crucial for ensuring their efficacy and safety. Thus, quality control is of utmost importance in the research and application of Chinese medicine, as it directly impacts the safety and effectiveness of these remedies and the industry's growth. With the globalization of traditional Chinese medicine (TCM), establishing a comprehensive and scientific quality control system has become an urgent priority. Recently, the concept of quality markers (Q-markers) has emerged as a pivotal tool for elevating the quality standards of TCM. However, current research on Q-markers is fragmented and lacks a systematic framework, highlighting the need for a more structured investigation. Through Web of Science, PubMed, CNKI, and other databases, using keywords like “traditional Chinese medicine”, “quality control”, and “quality markers”, this study extensively reviewed the recent advances and characterization methods of Q-markers. This study summarized the chemical properties of Q-markers of 40 common Chinese medicine materials, and flavonoid was ranked first. In addition, five characterization methods of Q-markers were summarized, offering new insights and a scientific foundation for enhancing the quality control of Chinese medicine resources and advancing the modernization and globalization of TCM.
作为中医药的基石,中药材料的质量对于确保其疗效和安全性至关重要。因此,质量控制是中药研究和应用的重中之重,因为它直接影响到这些药方的安全性和有效性以及行业的发展。随着中药全球化的发展,建立全面、科学的质量控制体系已成为当务之急。最近,质量标记(Q-markers)的概念已成为提升中药质量标准的重要工具。然而,目前有关 Q 标记的研究比较零散,缺乏系统的框架,这凸显了进行更有条理的调查的必要性。本研究通过 Web of Science、PubMed、CNKI 等数据库,以 "中药"、"质量控制 "和 "质量标志物 "为关键词,广泛综述了 Q 标志物的最新进展和表征方法。本研究总结了 40 种常见中药材料的 Q 标志化学性质,其中黄酮类物质位列第一。此外,还总结了五种 Q 标记的表征方法,为加强中药资源质量控制、推进中医药现代化和国际化提供了新的见解和科学依据。
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引用次数: 0
Design of a dual-function prodrug fluorescence probes for melanoma detection and anticancer drug release 用于黑色素瘤检测和抗癌药物释放的双功能前药荧光探针的设计
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-27 DOI: 10.1016/j.cjac.2025.100500
Qianshan Shao , Wenyun Pan , Qiao Liang , Chunxiao Li , Fei Zhang , Yuyu Yang , Shihan Liu , Guang Chen , Baolei Fan
Melanoma is a common malignant tumor, and its accurate detection and treatment are very important in the early stage of the tumor. However, there is no fluorescent probe that can simultaneously detect and treat melanoma. Here, we developed a novel prodrug fluorescent probe (OAC) that can not only visually track tyrosinase in melanoma but also release anticancer drugs on demand. First, when the probe detects tyrosinase, its fluorescence signal changes from blue to green and makes melanoma visible. Secondly, the detected melanoma is subjected to precise light irradiation to induce the release of anticancer drugs. This process is accompanied by a fluorescence transition from green to blue (signal 2), which can monitor drug release in real time. Therefore, the probe can not only detect melanoma in real time, but also release anticancer drugs to kill cancer cells. Furthermore, the probe has high affinity (Km = 30 μM), high selectivity and low detection limit (0.05 U/mL) for tyrosinase. We also found that the probe showed high phototoxicity in HeLa cells. Finally, we hope that the prodrug fluorescent probe can become an effective tool for biomedical diagnosis and treatment.
黑色素瘤是一种常见的恶性肿瘤,其在肿瘤早期的准确检测和治疗非常重要。然而,目前还没有一种荧光探针可以同时检测和治疗黑色素瘤。在这里,我们开发了一种新的药物前荧光探针(OAC),它不仅可以直观地跟踪黑色素瘤中的酪氨酸酶,而且可以按需释放抗癌药物。首先,当探针检测到酪氨酸酶时,其荧光信号从蓝色变为绿色,使黑色素瘤可见。其次,对检测到的黑色素瘤进行精确的光照射,诱导抗癌药物的释放。这个过程伴随着从绿色到蓝色的荧光转变(信号2),可以实时监测药物释放。因此,该探针不仅可以实时检测黑色素瘤,还可以释放抗癌药物杀死癌细胞。此外,该探针对酪氨酸酶具有高亲和力(Km = 30 μM)、高选择性和低检出限(0.05 U/mL)。我们还发现探针在HeLa细胞中表现出很高的光毒性。最后,我们希望药物前荧光探针能够成为生物医学诊断和治疗的有效工具。
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引用次数: 0
Exploring the potential pharmacological mechanism of Huiyang Zhitong plaster in treating knee osteoarthritis through network pharmacology, molecular docking, and experimental validation 通过网络药理学、分子对接、实验验证,探索惠阳止痛膏治疗膝关节骨性关节炎的潜在药理机制
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-26 DOI: 10.1016/j.cjac.2025.100492
Qifan Su , Xiaoyu Chen , Xiaoming Zhang , Liangwei Wang , Guanghui Deng , Zhilang Xie , Wei Xiang , Junjie Qiu , Linfeng Shi , Junchao Zeng , Xiaojun Chen , Jiaqi Wu , Houyin Shi
Knee osteoarthritis (KOA) is a common degenerative disease of the joints, and the Huiyang Zhitong Plaster (HYZTP) formulation exhibits distinct therapeutic advantages in the clinical treatment of KOA. However, the underlying pharmacological mechanisms of HYZTP remain unclear. This study aimed to explore the mechanism underlying the therapeutic effect of HYZTP in the treatment of KOA. Methods: The active components and targets of HYZTP were identified from the TCMSP database, and the KOA-related genes were retrieved from the GeneCards database, Therapeutic Target Database (TDD) database, and Online Mendelian Inheritance in Man (OMIM) database. The potential targets related to both HYZTP and KOA were identified using the online Venny tool. Protein-protein interaction (PPI) network analysis was performed using the online STRING data analysis tool, and the network was optimized using Cytoscape. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were additionally performed using the Oebiotech cloud platform. The interactions between the core targets and active components of HYZTP were investigated by molecular docking, and animal experiments were conducted for investigating the mechanism of action of HYZTP in the treatment of KOA. Results: A total of 138 active components of HYZTP, which are associated with its therapeutic effect in the treatment of KOA, were identified by integrating the results of database search. Of the 129 targets, 39 key genes were found to be significantly enriched in the TNF, IL-17, HIF-1, and Toll-like receptor (TLR) signaling pathways. The results of molecular docking revealed that the key components of HYZTP, namely, beta-sitosterol and stigmasterol, exhibited a favorable binding potential for the targets in the TNF signaling pathway, including TNF-α, IL-1β, and AKT1. Further histopathological analysis revealed that HYZTP repaired cartilage damage in a rabbit model of KOA. The results of western blotting revealed that the expression levels of TNF-α, RIP1, CASP3, and BAX proteins were downregulated in the knee joint cartilage of the HYZTP group, compared to those of the model group. Conclusion: HYZTP likely hinders the progression of KOA by inhibiting the TNF signaling pathway and suppressing cellular apoptosis. The study provides novel insights into the underlying pharmacological mechanism of HYZTP in the treatment of KOA, providing a foundation for further research into the clinical applications of HYZTP.
膝关节骨性关节炎(KOA)是一种常见的关节退行性疾病,惠阳止痛膏(HYZTP)制剂在临床治疗KOA中具有明显的治疗优势。然而,HYZTP的潜在药理机制尚不清楚。本研究旨在探讨合心汤治疗KOA的作用机制。方法:从TCMSP数据库中鉴定HYZTP的有效成分和靶点,从GeneCards数据库、Therapeutic Target database (TDD)数据库和Online Mendelian Inheritance in Man (OMIM)数据库中检索koa相关基因。使用在线Venny工具确定了与HYZTP和KOA相关的潜在目标。使用在线STRING数据分析工具进行蛋白质-蛋白质相互作用(PPI)网络分析,并使用Cytoscape对网络进行优化。基因本体(GO)和京都基因与基因组百科全书(KEGG)富集分析也使用Oebiotech云平台进行。通过分子对接研究HYZTP核心靶点与活性成分之间的相互作用,并通过动物实验探讨HYZTP治疗KOA的作用机制。结果:通过对数据库检索结果的整合,共鉴定出138种有效成分,这些活性成分与其治疗KOA的疗效有关。在129个靶点中,发现39个关键基因在TNF、IL-17、HIF-1和toll样受体(TLR)信号通路中显著富集。分子对接结果显示,HYZTP的关键成分-谷甾醇和名甾醇对TNF-α、IL-1β、AKT1等TNF信号通路靶点具有良好的结合潜力。进一步的组织病理学分析表明,HYZTP对兔KOA模型的软骨损伤有修复作用。western blotting结果显示,与模型组比较,HYZTP组大鼠膝关节软骨组织中TNF-α、RIP1、CASP3、BAX蛋白表达水平下调。结论:HYZTP可能通过抑制TNF信号通路,抑制细胞凋亡,从而抑制KOA的进展。本研究揭示了白芍治疗KOA的潜在药理机制,为进一步研究白芍的临床应用奠定了基础。
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引用次数: 0
Preparation and thermal properties of organic phase change energy storage materials 有机相变储能材料的制备和热性能
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-22 DOI: 10.1016/j.cjac.2025.100491
Juanjuan YANG , Xiaoliang WANG
By integrating lauric acid and palmitic acid as base materials and adding coke powder as a thermal conductivity enhancer, this study aims to develop efficient organic phase change energy storage materials and comprehensively evaluate their thermal properties. The thermal conductivity of the material was optimized by using a melt mixing process and adjusting the coke powder ratio. The thermal stability and thermogravimetric characteristics of the material were analyzed in detail using differential scanning calorimeter (DSC) and thermogravimetric analyzer (TGA) techniques. In addition, the selection of nucleating agents and the influence of the ratio of lauric acid to palmitic acid on the supercooling phenomenon of materials were also explored. The thermal stability of the material was further verified through multiple thermal cycling tests. The research results indicate that the material with a 15% coke powder content has the best thermal conductivity and exhibits good thermal stability. Under the condition of adding 1% sodium hexametaphosphate as a nucleating agent and a ratio of lauric acid to palmitic acid of 8:2, the supercooling problem of the material was effectively solved. After 100 thermal cycles, the thermal performance of the material remains stable, demonstrating its enormous potential as a long-term energy storage material.
本研究以月桂酸和棕榈酸为基料,加入焦炭粉作为导热增强剂,开发高效有机相变储能材料,并对其热性能进行综合评价。采用熔体混合工艺和调整焦炭粉比,优化了材料的导热性能。采用差示扫描量热仪(DSC)和热重分析仪(TGA)技术对材料的热稳定性和热重特性进行了详细分析。此外,还探讨了成核剂的选择以及月桂酸与棕榈酸的配比对材料过冷现象的影响。通过多次热循环试验进一步验证了材料的热稳定性。研究结果表明,焦炭粉含量为15%的材料导热性能最好,热稳定性好。在加入1%六偏磷酸钠作为成核剂,月桂酸与棕榈酸的比例为8:2的条件下,有效地解决了物料的过冷问题。经过100次热循环后,该材料的热性能保持稳定,显示出其作为长期储能材料的巨大潜力。
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引用次数: 0
A new coumaric acid diglucoside-sebacic acid glycoside heterozygote compound in Butea monosperma 一个新的香豆酸二糖苷-癸二酸糖苷杂合子化合物
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-20 DOI: 10.1016/j.cjac.2025.100499
Qianghua YUAN , Jun HAN
A new heterozygote compound (3) of coumaric acid diglucoside and sebacic acid glycoside and two known compounds (1, 2) were isolated from the seeds of Butea monosperma. Then, their chemical structures were identified by detailed spectral analysis, including 1D and 2D nuclear magnetic resonance (NMR), mass spectrometry (MS) and infrared (IR) spectroscopy. In addition, the antitumor activity study showed that compound 2 had a significant inhibitory effect on triple negative breast cancer (TNBC) cell line MDA-MB-231, and its IC50 value was 1.546 μmol/L.
从单精子植物Butea monosperma种子中分离到香豆酸二糖苷和癸二酸糖苷新杂合子化合物(3)和两个已知化合物(1,2)。然后,通过详细的光谱分析,包括1D和2D核磁共振(NMR)、质谱(MS)和红外(IR)光谱,鉴定了它们的化学结构。此外,抗肿瘤活性研究表明,化合物2对三阴性乳腺癌(TNBC)细胞株MDA-MB-231具有显著的抑制作用,其IC50值为1.546 μmol/L。
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引用次数: 0
Molecular docking, dynamic molecular simulation and in silico ADMET screening study of novel bidentate tetrazolyl-adipate anti-HIV drugs candidate 新型双齿己二酸四氮唑抗hiv候选药物的分子对接、动态分子模拟及ADMET筛选研究
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-20 DOI: 10.1016/j.cjac.2025.100498
Fatimazohra LENDA , Mohammed ER-RAJY , Asmae El CADI , Hamada IMTARA , Farhate GUENOUN , Hassan ALLOUCHI , Somdutt MUJWAR , Khalid NAJOUI , Omar M. NOMAN , Jean MARTINEZ , Frédéric LAMATY , Menana ELHALLAOUI
In order to develop specific inhibitors of CYP3A4, we chose new derivatives of adipic acid the 2,5-(5-aryl tetrazol-2yl) dimethyl adipate L1-L5. During this study, the Ritonavir molecule known as inhibitor of the cytochrome CYP3A4 are chosen as a reference. A molecular docking simulation on the enzyme 7UAZ is conducted for the ligands L1-L5, in order to study the predictive binding affinity and the interaction mechanism of the 5-aryltetrazolyl substituents introduced at positions 2 and 5 of adipic acid. A molecular docking study revealed that the relative activation energy level ranged from –10.1 to –7.6 kcal/mol, falling within the range of Ritonavir at –9.0 kcal/mol, which confirms the stability of the ligands within the studied enzyme. The results show that the binding mode of the ligands on the enzyme 7UAZ varies significantly depending on the substituent at the -C5 position of the tetrazole, with the best results obtained for the ligands L2 and L5. Then a comparative study based on silico ADMET properties selected only L2 as a potential inhibitor of CYP3A4. A 100 ns molecular dynamics simulation on the ligand-protein complex highlights the stability of ligand L2 within the 7UAZ protein.
为了开发CYP3A4特异性抑制剂,我们选择了新的己二酸衍生物2,5-(5-芳基四唑-2基)己二酸二甲酯L1-L5。在本研究中,我们选择了被称为细胞色素CYP3A4抑制剂的利托那韦分子作为参考。为了研究己二酸2位和5位引入的5-芳基四唑基取代基的预测结合亲和力和相互作用机理,对配体L1-L5进行了7UAZ酶的分子对接模拟。分子对接研究表明,相对活化能在-10.1 ~ -7.6 kcal/mol之间,落在利托那韦的-9.0 kcal/mol范围内,证实了所研究酶内配体的稳定性。结果表明,配体与7UAZ酶的结合模式因四唑-C5取代基的不同而有显著差异,其中L2和L5配体的结合效果最好。然后,基于硅ADMET性质的比较研究只选择L2作为CYP3A4的潜在抑制剂。配体-蛋白复合物的100 ns分子动力学模拟强调了7UAZ蛋白内配体L2的稳定性。
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引用次数: 0
Application of nanoscale CeO2 as Fenton-like catalyst in the field of environment and bioscience 纳米氧化铈类芬顿催化剂在环境与生物科学领域的应用
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-20 DOI: 10.1016/j.cjac.2025.100501
Han XU , Xiang CHU , Jing XU , Meng ZHAO , Lin PENG , Lingling ZHANG , Xiao WANG
Fenton reaction has been regarded as one of the most potent ways to cost-efficiently degrade organic contaminants and cure cancer by inducing cell apoptosis and necrosis. However, commercial Fe-base catalysts and natural enzymes are suffering from high costs and low durability. Exploring a new catalyst for reducing cost and avoiding secondary pollution is demanding. Recent research illustrates that CeO2 owns a specific oxygen vacancy structure and Ce3+/Ce4+ redox cycle, which is thought to be the origin of Fenton-like reaction activities. Significantly, inducing heteroatoms promotes the concentration of oxygen vacancy and Ce3+ ions, and the electrons transfer between Ce and heteroatoms accelerates the redox cycles. The broad reaction pH value and low biotoxicity endow CeO2 with enormous potential in organic pollutants’ disposal and artificial enzyme for healthcare. Because of their excellent stability, Ce-base catalysts are more accessible for storage and transformation than natural enzymes. Meanwhile, electro-/photochemistry technologies are believed to reduce subsequent pollution and potentially be applied in biology fields. This review focuses on the Fenton-like reaction process and its application in environmental engineering and life science.
芬顿反应被认为是通过诱导细胞凋亡和坏死来经济有效地降解有机污染物和治疗癌症的最有效方法之一。然而,商用铁基催化剂和天然酶存在成本高、耐久性低等问题。探索降低成本、避免二次污染的新型催化剂是迫切需要的。最近的研究表明,CeO2具有特定的氧空位结构和Ce3+/Ce4+氧化还原循环,这被认为是芬顿类反应活性的来源。显著的是,杂原子的诱导促进了氧空位和Ce3+离子的浓度,Ce和杂原子之间的电子转移加速了氧化还原循环。广泛的反应pH值和低的生物毒性使CeO2在有机污染物处理和医疗保健人工酶方面具有巨大的潜力。由于其优异的稳定性,铈基催化剂比天然酶更易于储存和转化。同时,电/光化学技术被认为可以减少后续污染,并有可能应用于生物领域。本文综述了类芬顿反应过程及其在环境工程和生命科学中的应用。
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引用次数: 0
Studying the effect of using metal oxide nanofluids on the performance of a single-tube heat exchanger 研究了金属氧化物纳米流体对单管换热器性能的影响
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-20 DOI: 10.1016/j.cjac.2025.100497
Waleed N. Al-DARKAZALI , Sara S. HAMOOD , Nassim ALDAHER , Nazar Sattar HARBI
The preparation of aluminum oxide from nanofluid (Al2O3/H2O) in three different concentrations using a two-step method was achieved by using an atomic force microscopy (AFM). The AFM images showed that the nanoparticles took on a spherical shape with a range of average diameters and density within the range of 45–55 nm.
Polyacrylamide (PAAM) was used as a dispersion and suspension agent for aluminum oxide nanoparticles in distilled water at various concentrations (250, 500, 750, 1000) ppm during preparation, followed by determination of the polymer ratio for each sample during preparation, stability assessment by ultraviolet-visible (UV-Vis) spectrophotometer in the wavelength field (200–700) nm for 10 days, and analysis of sample Alumina nanoparticles by dispersion and suspension agent by high-pressure polymers tended M25 resulting in the highest concentrations of the given concentration. By increasing the PAAM concentration, the dispersion and stability of Al2O3 nanoparticles in distilled water appear to be improved, and concentrations of 0.25% seemed to be more evenly dispersed and stable over time, with minor sedimentation compared to (0.1%, 0.05%) vol concentrations, where the absorbance peak decreased by 5.5% despite the increase in size of Al2O3 nanoparticles and their aggregations, while the absorbance peak in the previous concentrations decreased by (14.2% and 8.8%), respectively of the two previous concentrations of Al2O3.
The study of PAAM polymers demonstrated that their rheological properties were not Newtonian, owing to a higher concentration of the polymer, resulting in viscosity results that resembled non-Newtonian polysaccharides.
利用原子力显微镜(AFM)研究了三种不同浓度的纳米流体(Al2O3/H2O)制备氧化铝的两步法。AFM图像显示,纳米颗粒呈球形,平均直径和密度在45 ~ 55 nm之间。将聚丙烯酰胺(PAAM)作为氧化铝纳米颗粒的分散悬浮剂,在不同浓度(250、500、750、1000)ppm)蒸馏水中制备,然后在制备过程中测定每个样品的聚合物比例,用紫外-可见分光光度计在波长场(200-700)nm下测定10天的稳定性。通过分散剂和悬浮剂对样品氧化铝纳米粒子的分析,高压聚合物倾向于M25,得到给定浓度的最高浓度。随着PAAM浓度的增加,Al2O3纳米粒子在蒸馏水中的分散和稳定性得到改善,与(0.1%,0.05%)体积浓度相比,0.25%浓度的Al2O3纳米粒子随着时间的推移似乎分散更均匀和稳定,沉降较小,尽管Al2O3纳米粒子及其聚集体的尺寸增加,但吸光度峰下降了5.5%,而在先前浓度的吸光度峰下降了(14.2%和8.8%)。前两种浓度的Al2O3。PAAM聚合物的研究表明,由于聚合物的浓度较高,它们的流变性能不是牛顿的,导致粘度结果类似于非牛顿多糖。
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引用次数: 0
Natural Egyptian zeolite ore as a novel layered adsorbent for petroleum wastewater treatment 天然埃及沸石矿石作为一种新型层状吸附剂用于石油废水处理
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-03 DOI: 10.1016/j.cjac.2024.100490
Wesam Kamal , Doaa Essam , Ahmed A. Allam , Haifa E. Alfassam , Doaa abd el tawab , Samah Abdel Moaty , Rehab Mahmoud
It is critical to synthesize adsorbents that are highly effective, affordable, highly selective, and excellently recyclable to remove refinery wastewater contaminants. Natural zeolites hold great promise for purifying water that contains heavy metals and organic pollutants, which is a typical representative of refinery wastewater effluents. In this work, a natural Egyptian zeolite ore was investigated as an adsorbent for refinery wastewater treatment applications. X-ray diffraction (XRD), X-ray fluorescence (XRF), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR) and Brunauer–Emmett–Teller (BET) analytical characterization techniques were used to characterize the zeolite ore. Batch adsorption tests were then conducted to investigate the removal efficiency of this zeolite for benzene (Bz) and strontium (Sr), two representative organic pollutants and heavy metals, respectively. This zeolite ore showed maximum adsorption capacities of 492.5 and 1700 mg/g for Sr and Bz, respectively. The Baudu isotherm model was found to be the best fit model in the case of Sr, whereas the Bz Langmuir–Freundlich and Sips models resulted in the highest R2 value. Very fast kinetics were observed, and the equilibrium times were estimated to be 10 and 20 min for Sr and Bz, respectively. The current investigation showed that this layered Egyptian zeolite ore can be very promising for refinery wastewater treatment applications. An adsorbent is used to remove pollutants from refinery wastewater.
合成高效、经济、高选择性、可循环利用的吸附剂是去除炼油废水污染物的关键。天然沸石是炼化废水的典型代表,在净化含重金属和有机污染物的水中具有广阔的应用前景。本文研究了一种天然埃及沸石矿石作为吸附剂在炼油废水处理中的应用。采用x射线衍射(XRD)、x射线荧光(XRF)、扫描电镜(SEM)、能量色散x射线能谱(EDX)、傅里叶变换红外光谱(FTIR)和Brunauer-Emmett-Teller (BET)分析表征技术对沸石矿石进行了表征,并进行了间歇吸附试验,考察了该沸石对苯(Bz)和锶(Sr)这两种代表性有机污染物和重金属的去除效率。该沸石矿石对Sr和Bz的最大吸附量分别为492.5 mg/g和1700 mg/g。Baudu等温线模型是Sr的最佳拟合模型,而Bz Langmuir-Freundlich和Sips模型的R2值最高。观察到非常快的动力学,估计Sr和Bz的平衡时间分别为10和20 min。目前的研究表明,这种层状的埃及沸石矿石在炼油废水处理中具有很好的应用前景。采用吸附剂去除炼化废水中的污染物。
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引用次数: 0
Study on the differences of active ingredients among different medicinal parts of Angelica sinensis (Oliv.) based on LC-MS combined with multivariate statistical analysis 基于LC-MS结合多元统计分析的当归不同药用部位有效成分差异研究
IF 1.2 4区 化学 Q4 CHEMISTRY, ANALYTICAL Pub Date : 2025-01-01 DOI: 10.1016/j.cjac.2024.100486
Weibo QIN , Haipeng TANG , Xuehui TAO , Yu GENG , Mengjie TANG , Kangyu WANG , Guangzhi CAI , Jiyu GONG , Yunlong GUO , Xiangzhu YAN , Wenyi GAO
Angelica sinensis (Oliv.) Diels (DG). has a history of medicinal use for thousands of years. In order to meet clinical needs, it is often divided into DG head, body, tail, and whole DG for use, which means that there are differences between different parts. However, in the existing literature, there are few studies on different parts of DG, and they only compare the differences of a single chemical component in different parts of DG, and do not comprehensively analyze the differences of other components. Therefore, an ultra-high performance liquid chromatography-quadrupole orbitalrap mass spectrometry (UHPLC-Q-Orbitrap/MS) based combined with an untargeted metabolomics approach was used to compare the diversity of chemical constituents in different parts of DG. After multivariate statistical analysis, 537 differential compounds were screened, and 85 metabolites including 36 phthalides, 10 organic acids, 8 fatty acids, 6 amino acids, 4 coumarins, 4 esters, 3 phenylpropanoids, and 14 others were finally identified. After comparative analysis, the distribution of various components in different parts can be clarified. This study not only compared the differences in the chemical composition of different parts of DG, but also analyzed the relationship between important components and pharmacological effects in different parts, which provided a basis for more rational use of different parts of DG.
当归(白芷)一昼夜的(DG)。有几千年的药用历史。为了满足临床需要,通常分为DG头、体、尾和整个DG使用,这意味着不同部位之间存在差异。但在现有文献中,对DG不同部位的研究较少,也只是比较了DG不同部位单一化学成分的差异,并没有对其他成分的差异进行全面分析。因此,采用基于UHPLC-Q-Orbitrap/MS的超高效液相色谱-四极杆轨道阱质谱(UHPLC-Q-Orbitrap/MS)结合非靶向代谢组学方法来比较DG不同部位化学成分的多样性。经多元统计分析,共筛选出537种差异化合物,最终鉴定出85种代谢物,包括36种酞类、10种有机酸、8种脂肪酸、6种氨基酸、4种香豆素、4种酯类、3种苯丙素和14种其他代谢物。通过对比分析,可以明确各种成分在不同部位的分布。本研究不仅比较了DG不同部位化学成分的差异,还分析了不同部位重要成分与药理作用的关系,为更合理地使用DG不同部位提供依据。
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引用次数: 0
期刊
Chinese Journal of Analytical Chemistry
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