Journal of Industrial and Engineering Chemistry最新文献_第6页

Engineering CdS QDs with optimized optical properties and antimicrobial effects at minimal concentrations: Influence of synthesis parameters and surface modifiers 在最小浓度下具有最佳光学性能和抗菌效果的工程CdS量子点：合成参数和表面改性剂的影响

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.034

Rahul Singh , Dipti Rawat , Shiv Kumar , Aisha , Ishank , Ragini Raj Singh

Cadmium sulfide (CdS) quantum dots (QDs) exhibit strong potential in biomedical applications; however, their antimicrobial properties remain insufficiently studied, particularly concerning key synthesis parameters. This work investigates the impact of synthesis temperature, particle size, Cd:S atomic ratio, CdS concentration, and surfactant type on the physicochemical and antimicrobial properties of cadmium sulfide (CdS) quantum dots (QDs). Using a cost-effective aqueous chemical method, both bulk and quantum dot cadmium sulfide (CdS) were synthesised. Characterization via XRD, FTIR, UV–Vis, and TEM confirmed the formation of CdS, quantum confinement, and spherical morphology. Photoluminescence analysis showed stable fluorescence across variations, indicating surfactants (PEG and PVPP) reduce toxicity without altering optical properties. Notably, CdS QDs synthesized at 50 °C with a 1:0.5 Cd:S ratio, and PEG/PVPP surfactants exhibited excellent antibacterial and antifungal activity at just 5–10 mg/mL—the lowest effective concentration reported to date. These findings support the design of CdS quantum dots (QDs) with enhanced luminescence and antimicrobial activity for bioimaging and drug delivery applications.

硫化镉（cd）量子点（QDs）在生物医学领域显示出强大的应用潜力；然而，它们的抗菌性能研究仍然不够充分，特别是关于关键的合成参数。本文研究了合成温度、粒径、Cd:S原子比、Cd浓度和表面活性剂类型对硫化镉量子点（Cd）理化性能和抗菌性能的影响。采用具有成本效益的水化学方法，合成了体镉和量子点硫化镉。通过XRD， FTIR， UV-Vis和TEM表征，证实了CdS的形成，量子约束和球形形貌。光致发光分析结果表明，PEG和PVPP表面活性剂在不改变光学性质的情况下降低了毒性。值得注意的是，在50°C下以1:0.5 Cd:S比合成的CdS量子点和PEG/PVPP表面活性剂仅在5-10 mg/ ml（迄今为止报道的最低有效浓度）时表现出优异的抗菌和抗真菌活性。这些发现支持设计具有增强发光和抗菌活性的CdS量子点（QDs），用于生物成像和药物输送应用。

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引用次数: 0

Facile preparation of carbon aerogel/graphitic carbon nitride nanocomposite with enhanced visible-light photocatalytic activity for the degradation of ibuprofen 活性炭气凝胶/石墨氮化碳纳米复合材料的制备及其可见光催化降解布洛芬的性能

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.028

Fatemeh Hayati , Ali Ahmadpour , Tahereh Rohani Bastami , Seyed Amir Hossein Hosseini

In this work, an RF-Carbon Aerogel/Surface-grown 2D layered g-C₃N₄ heterojunction (CA/CN) was prepared using carbon aerogel (CA) and urea and was then utilized to remediate an aqueous medium polluted with ibuprofen. g-C₃N₄ (CN), carbon aerogel, and their composite were characterized by XRD, FTIR, TEM, N₂ ads-des isotherm, DRS, PL, and zeta potential. The results revealed nanolayers of g-C₃N₄ grown in cluster form on the CA surface, transforming its nitrogen physisorption isotherm to type I, while CA and CN had type IV and V, respectively. Besides, due to the effective heterojunction formation of g-C₃N₄ with carbon aerogel, the CA/CN band gap was reduced from 2.8 eV (for CN) to 2.61 eV. CA/CN showed 14-fold higher activity toward the elimination of ibuprofen compared to CA and CN materials. Furthermore, optimization of process variables (pH, ibuprofen initial concentration, and photocatalyst dosage) was accomplished using Design-Expert software. Based on the results, a second-order nonlinear model was fitted using the response surface method (central composite design), and pH was identified as the most effective variable based on variance analysis. In optimal operating conditions, with pH = 4.6 ± 0.5, photocatalyst dosage of 1.64 g/L, and pollutant concentration of 8 mg/L, 97 % ibuprofen and 59 % TOC removal efficiency was achieved.

本研究以碳气凝胶（CA）和尿素为原料制备了rf -碳气凝胶/表面生长的二维层状g-C3N4异质结（CA/CN），并将其用于修复布洛芬污染的水介质。采用XRD、FTIR、TEM、N2 ads-des等温线、DRS、PL和zeta电位对g-C3N4 （CN）、碳气凝胶及其复合材料进行了表征。结果表明，g-C3N4纳米层以簇状生长在CA表面，其氮物理吸附等温线转变为I型，而CA和CN分别为IV型和V型。此外，由于g-C3N4与碳气凝胶形成了有效的异质结，CA/CN带隙从2.8 eV （CN）减小到2.61 eV。与CA和CN材料相比，CA/CN材料对布洛芬的去除活性高14倍。利用Design-Expert软件对工艺参数（pH、布洛芬初始浓度、光催化剂用量）进行优化。在此基础上，采用响应面法（中心复合设计）拟合了二阶非线性模型，并通过方差分析确定pH为最有效变量。在最佳操作条件下，pH = 4.6±0.5，光催化剂用量为1.64 g/L，污染物浓度为8 mg/L，布洛芬去除率为97%，TOC去除率为59%。

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引用次数: 0

Size-controlled synthesis of ZIF-8 nanoparticles by high gravity technology for enhanced tetracycline adsorption 高重力技术合成纳米颗粒ZIF-8增强四环素吸附

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.024

Xin-Ran Shi , Yan Wei , Miao Chang , Hua Zou , Jie-Xin Wang

ZIF-8 as a typical metal–organic framework (MOF) is regarded as a promising adsorbent owing to its ultra-high specific surface area and well-defined porous architecture. Smaller-sized MOFs with more exposed active sites are conducive to the rapid and efficient adsorption of molecules. However, achieving precise nanoscale control of MOF particle sizes remains a challenge. Herein, we report a facile method to prepare uniform ZIF-8 nanoparticles with controllable sizes of 20–120 nm by high gravity technology in the rotating packed bed (RPB) reactor. Compared with the conventional stirred tank reactor (STR), the products prepared by RPB showed narrower size distribution and smaller particle size, with an average reduction of 30 %. The as-synthesized ZIF-8 nanoparticles demonstrated a pronounced size-dependent adsorption behavior for tetracycline in aqueous solutions. Particularly, 20 nm ZIF-8 nanoparticles exhibited the highest adsorption capacity of about 217 mg g⁻¹, surpassing both micro-sized ZIF-8 (189 mg g⁻¹) and previously reported ZIF-8 and its composites. Moreover, the effects of adsorbent dosage, pH, temperature and coexisting ions on the adsorption performance were also investigated. A rational adsorption mechanism of TC adsorption over ZIF-8 nanoparticles was proposed. These findings are of great significance for selecting nano-absorbents with the appropriate size to achieve optimal adsorption in real-world use.

ZIF-8作为一种典型的金属有机骨架（MOF），由于其超高的比表面积和清晰的多孔结构，被认为是一种很有前途的吸附剂。mof的尺寸越小，暴露的活性位点越多，有利于分子的快速高效吸附。然而，实现对MOF颗粒尺寸的精确纳米级控制仍然是一个挑战。本文报道了一种在旋转填充床（RPB）反应器中利用超重力技术制备尺寸在20 ~ 120 nm可控的均匀ZIF-8纳米颗粒的简便方法。与传统的搅拌槽式反应器（STR）相比，RPB制备的产物粒度分布更窄，粒径更小，平均还原率为30%。合成的ZIF-8纳米颗粒对四环素在水溶液中的吸附表现出明显的尺寸依赖性。特别是，20 nm的ZIF-8纳米颗粒表现出最高的吸附量，约为217 mg g - 1，超过了微米尺寸的ZIF-8 （189 mg g - 1）和之前报道的ZIF-8及其复合材料。此外，还考察了吸附剂用量、pH、温度和共存离子对吸附性能的影响。提出了ZIF-8纳米颗粒吸附TC的合理机理。这些发现对于在实际应用中选择合适尺寸的纳米吸附剂以达到最佳吸附效果具有重要意义。

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引用次数: 0

Exploring the effective electrochemical diclofenac sensing, energy storage, and photocatalytic capabilities of strontium-doped molybdenum oxide nanoparticles 探讨了锶掺杂氧化钼纳米颗粒的电化学双氯芬酸传感、储能和光催化性能

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.033

Sajid Ali Ansari , Mir Waqas Alam , Amal BaQais , M.A. Yewale

Strontium-doped molybdenum oxide nanoparticles (SrMoO₃ NPs) synthesizedby solution combustion method. Comprehensive characterization confirmed the formation of SrMoO₃ NPs. The XRD showsthe scheelite tetragonal morphology with average crystallite size of 25.37 nm. The energy band gap (E_g) of 3.68 eV from the diffuse reflectance spectroscopy (DRS) data. Electrochemical method was used for detection of diclofenac and it showed an impressive limit of detection at 100µMand excellent stability over 1 mV/s to 5 mV/s cycles. The response currents of the SrMoO₃NPs electrode exhibited minimal variation, with a relative standard deviation of 1.3 %, underscoring its reliability and precision. Furthermore, the SrMoO₃ NPs electrode showed selective sensing capabilities for diclofenac amidst common interferences such as ascorbic acid, uric acid, glucose, and sucrose. In energy storage evaluations, Sr-doped MoO₃ demonstrated significant capacitance and retained over 87 % of its initial capacitance after 3000 cycles, suggesting enhanced electrochemical properties through chemical interactions at the nanoscale. Additionally, the photocatalytic degradation of fast orange red(FOR) dye under UV irradiation was notably enhanced by SrMoO₃ NPs, with an efficiency increase of 85 %, showcasing its utility in environmental remediation.

溶液燃烧法制备掺锶氧化钼纳米颗粒（SrMoO3 NPs）。综合表征证实了SrMoO3 NPs的形成。XRD分析表明，白钨矿为四方晶型，平均晶粒尺寸为25.37 nm。从漫反射光谱（DRS）数据得到的能带隙（Eg）为3.68 eV。采用电化学方法检测双氯芬酸，检测限为100 μ，循环周期为1 mV/s ~ 5 mV/s，稳定性良好。SrMoO3NPs电极的响应电流变化最小，相对标准偏差为1.3%，强调了其可靠性和精度。此外，SrMoO3 NPs电极在抗坏血酸、尿酸、葡萄糖和蔗糖等常见干扰下对双氯芬酸表现出选择性传感能力。在能量存储评估中，掺sr的MoO3表现出显著的电容，在3000次循环后保持了超过87%的初始电容，表明通过纳米级化学相互作用增强了电化学性能。此外，SrMoO3 NPs在紫外光照射下对快速橙红（FOR）染料的光催化降解效率显著提高，效率提高85%，显示了其在环境修复中的应用。

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引用次数: 0

Towards out-of-studio motion capture through wearable sensors 通过可穿戴传感器实现工作室外的动作捕捉

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.032

Jeehyun Joung , Jinsung Kim , Daegun Kim

Wearable sensor technology has rapidly evolved over the past decade, transforming the monitoring of human motion across diverse fields such as health diagnostics, sports analytics, rehabilitation, and the performing arts. While traditional motion capture systems like inertial measurement units (IMUs) are limited by high power consumption, frequent recalibration, and rigid form factors, recent innovations in low-power and self-powered wearable sensors – utilizing piezoresistive, capacitive, piezoelectric, electrochemical, triboelectric, and moist-electric mechanisms – offer more flexible, energy-efficient, and conformal solutions. These advanced sensors are increasingly integrated into soft platforms and smart textiles, enabling continuous, high-fidelity tracking of both dynamic and subtle movements in daily life. Despite these advances, key challenges remain in enhancing the detection of fine motions, improving durability under environmental and mechanical stress, and reducing power consumption for long-term operation. This review provides a comprehensive comparison of wearable sensor mechanisms, critically evaluates their performance in four major application domains, and discusses future directions in materials, device design, and standardization necessary for the widespread adoption of wearable motion-sensing technologies.

可穿戴传感器技术在过去十年中迅速发展，改变了健康诊断、运动分析、康复和表演艺术等不同领域的人体运动监测。惯性测量单元（imu）等传统的运动捕捉系统受到高功耗、频繁重新校准和刚性外形因素的限制，而最近在低功耗和自供电可穿戴传感器方面的创新——利用压阻式、电容式、压电式、电化学、摩擦电和湿电机制——提供了更灵活、节能和保形的解决方案。这些先进的传感器越来越多地集成到软平台和智能纺织品中，能够连续、高保真地跟踪日常生活中的动态和细微运动。尽管取得了这些进步，但在增强对精细运动的检测、提高环境和机械应力下的耐久性以及降低长期运行的功耗方面仍然存在关键挑战。这篇综述提供了可穿戴传感器机制的全面比较，批判性地评估了它们在四个主要应用领域的性能，并讨论了可穿戴运动传感技术广泛采用所需的材料，设备设计和标准化的未来方向。

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引用次数: 0

Sulfur-modified covalent triazine polymer (S-CTP) is used for the ultra-efficient capture of silver ions in aqueous solutions 硫改性共价三嗪聚合物（S-CTP）用于超高效捕获水溶液中的银离子

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.031

Kejie Li , Chaoji Xiong , Junyu Chen , Haoyu Wang , Qiangying Zhang , Xiaomei Cui , Bu Duo

Many adsorbents have been used to capture Ag(I) ions in water. However, most of these materials have poor adsorption efficiency and high costs. Consequently, there is a need to develop a simple, efficient and low-cost adsorbent material. In this study, a sulfur-modified covalent triazine polymer (S-CTP) was successfully synthesized using two inexpensive triazine derivatives. The capture of Ag(I) by S-CTP is a fast chemisorption process, with a maximum adsorption capacity of 1675 mg/g. The adsorption of Ag(I) ions by S-CTP is spontaneous, and there is an increase in adsorption efficiency with increasing temperature. The primary coordination mode of S-CTP with Ag(I) ions involves the formation of two rings: a stable six-membered ring formed between the nitrogen atoms of the two triazine rings and the Ag(I) ion, and a three-membered ring formed between the sulphur atom and the nitrogen of one of the triazine rings. In addition, the S-CTP preparation method is both simple and high-yielding, and exhibits ideal adsorption performance. Thus, S-CTP can be applied to the removal of Ag(I) ions from real industrial wastewater.

许多吸附剂已被用于捕获水中的银离子。但这些材料大多吸附效率差，成本高。因此，有必要开发一种简单、高效、低成本的吸附材料。本研究以两种廉价的三嗪衍生物为原料，成功合成了硫修饰共价三嗪聚合物（S-CTP）。S-CTP吸附银(I)是一种快速的化学吸附过程，最大吸附量为1675 mg/g。S-CTP对Ag(I)离子的吸附是自发的，吸附效率随温度的升高而增加。S-CTP与Ag(I)离子的主要配位方式是形成两个环：在两个三嗪环的氮原子与Ag(I)离子之间形成稳定的六元环，在其中一个三嗪环的硫原子与氮原子之间形成三元环。此外，S-CTP制备方法简单、产率高，具有理想的吸附性能。因此，S-CTP可以应用于实际工业废水中Ag(I)离子的去除。

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引用次数: 0

Lowering polyhydroxyalkanoate bioproduction costs in mixed cultures through integrated optimization of organic loading rate, sludge retention time and biomass withdrawal 通过综合优化有机负荷率、污泥滞留时间和生物质回收，降低混合培养中聚羟基烷酸酯生物生产成本

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-18 DOI: 10.1016/j.jiec.2025.08.030

Rafaela A.P. Cruz , Adrian Oehmen , Maria A.M. Reis

Polyhydroxyalkanoates (PHA) are a sustainable alternative to conventional plastics, where mixed microbial cultures can be advantageous for PHA production from industrial waste streams, but lower costs are necessary to facilitate industrial application. This study assesses a novel optimisation strategy for the biomass withdrawal, organic loading rate and solids retention time, with the purpose of lowering bioproduction costs. Conventional and feast-phase biomass withdrawal strategies were compared to determine the most cost-effective operational option. Results demonstrated that increasing the organic loading rate led to an improvement of PHA productivity in each selection reactor, due to increased growth. It was observed that at low solids retention time, the incorporation of an accumulation stage did not improve the productivity of the polyhydroxyalkanoate production process using the feast-phase biomass withdrawal strategy, reducing capital costs.

Economic assessment of the two different operational modes was performed, where the results demonstrated that the feast-phase biomass withdrawal strategy at an SRT of 0.8 d was the configuration resulting in the lowest total annual costs and lowest break-even PHA price (1.88 €/kg PHA-crude), due to elimination of the accumulation stage. Overall, this work contributes towards sustainable and cost-effective polyhydroxyalkanoate production from wastes in mixed cultures.

聚羟基烷酸酯（PHA）是传统塑料的可持续替代品，其中混合微生物培养有利于从工业废物流中生产PHA，但需要降低成本以促进工业应用。本研究以降低生物生产成本为目的，评估了一种新的生物质提取、有机负载率和固体保留时间的优化策略。比较了传统和快速阶段的生物质回收策略，以确定最具成本效益的操作方案。结果表明，增加有机负载率导致每个选择反应器中PHA生产力的提高，因为生长增加。观察到，在低固体保留时间下，加入积累阶段并没有提高采用盛宴期生物质提取策略的聚羟基烷酸酯生产过程的生产率，从而降低了资本成本。对两种不同的操作模式进行了经济评估，结果表明，由于消除了积累阶段，在SRT为0.8 d时的快速阶段生物质提取策略可以产生最低的年总成本和最低的PHA盈亏平衡价格（1.88欧元/公斤PHA-原油）。总的来说，这项工作有助于在混合培养中从废物中可持续和经济地生产聚羟基烷酸酯。

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引用次数: 0

Green and efficient recovery of valuable metals from waste flotation tailings via low-temperature fluidized hydrogen reduction: a pilot-scale study 通过低温流态化氢还原从废浮选尾矿中绿色高效地回收有价金属：一项中试研究

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-17 DOI: 10.1016/j.jiec.2025.08.029

Zhidong Tang , Pengcheng Tian , Peiyu Li , Tianshu Li , Peng Gao , Yuexin Han

Hydrogen-based mineral phase transformation (HMPT) is an effective and environmentally friendly method for treating iron tailings, which is crucial for resource recovery and environmental protection. In a semi-industrial scale experiment, HMPT was utilized to process flotation residue under specific conditions. The process was carried out at a temperature of 500 °C, with a total gas flow rate of 11 m³/h for N₂ and H₂, and a H₂ concentration of 20 %. The system was fed at a rate of 100 kg/h, while the gas flow was 11 m³/h. As a result, a high-grade iron concentrate was produced, boasting an iron content of 65.32 % and an impressive recovery of 78.58 %. The XRD, mineral phase analyses, VSM, and Mössbauer spectroscopy confirmed that hematite had been converted into magnetite, which exhibits stronger magnetic properties. SEM-EDS results indicate microstructural changes and XPS reveals the evolution of iron on the mineral surface. The cracks during the HMPT also facilitate the reaction and the selection of minerals. This study establishes a theoretical foundation for the green and efficient recovery of tailings.

氢基矿物相变（HMPT）是一种有效且环保的铁尾矿处理方法，对资源回收和环境保护具有重要意义。在半工业规模试验中，利用HMPT在特定条件下处理浮选渣。该工艺在500℃条件下进行，N2和H2总气量为11 m3/h， H2浓度为20%。系统进料速率为100 kg/h，气体流量为11 m3/h。最终获得了铁精矿，铁含量为65.32%，回收率为78.58%。XRD、物相分析、VSM和Mössbauer谱分析证实赤铁矿转化为磁铁矿，磁铁矿表现出更强的磁性能。SEM-EDS结果显示了矿物表面的微观结构变化，XPS结果揭示了铁在矿物表面的演化过程。HMPT过程中的裂缝也有利于反应和矿物的选择。本研究为尾矿的绿色高效回收奠定了理论基础。

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引用次数: 0

Reconstruction of electric double layer via sodium persulfate additive for enhanced aluminium-air battery 用过硫酸钠添加剂重建增强铝-空气电池双电层

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-13 DOI: 10.1016/j.jiec.2025.08.027

Lei Guo , Ankang Su , Viswanathan S. Saji , Yan Tan , Peiyi Zhao , Amir Mahmoud Makin Adam

The use of aluminium (Al) in Al-air batteries (AABs) is promising owing to its lightweight characteristics, accessibility, affordability, and high safety features. However, AABs’ main challenge lies in effectively suppressing hydrogen evolution on the anode in the alkaline electrolyte. Herein, we have used sodium persulfate (Na₂S₂O₈) as an electrolyte additive to construct a unique water barrier film, regulating the electrical double layer structure at the anode surfac to inhibit hydrogen precipitation effectively. Theoretical and experimental studies provide compelling proof for the role of Na₂S₂O₈ in inhibiting the self-corrosion of Al by establishing a thin shielding layer, efficiently regulating the hydrogen evolution kinetics, and improving battery performance. Compared to the pristine 4 M NaOH electrolyte, anode utilization of the Na₂S₂O₈-added electrolyte increased from 42.5 % to 75.5 %, capacity density improved from 1266.1 to 2247.8 mAh g⁻¹, and energy density rose from 1428.2 to 2567 Wh kg⁻¹. The significant outcome of this work could provide more insights into the development of efficient electrolytes for AABs.

铝（Al）在铝空气电池（AABs）中的应用前景广阔，因为它具有重量轻、易于使用、价格合理和高安全性的特点。然而，AABs的主要挑战在于如何有效地抑制碱性电解液中阳极上的析氢。本文采用过硫酸钠（Na2S2O8）作为电解质添加剂，构建了一种独特的水屏障膜，调节阳极表面的电双层结构，有效地抑制了氢的析出。理论和实验研究都有力地证明了Na2S2O8通过建立薄屏蔽层、有效调节析氢动力学、提高电池性能来抑制Al的自腐蚀。与原始的4 M NaOH电解质相比，添加na2s2o8的电解质阳极利用率从42.5%提高到75.5%，容量密度从1266.1 mAh g−1提高到2247.8 mAh g−1，能量密度从1428.2提高到2567 Wh kg−1。这项工作的重要成果可以为开发高效的抗体电解质提供更多的见解。

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引用次数: 0

Synergistic effects of olive oil pomace extract and mineral-medicinal waters in microparticle production for pathogen inhibition 橄榄油渣提取物和矿药水在微颗粒生产中的协同抑菌作用

IF 5.9 3区工程技术 Q1 CHEMISTRY, MULTIDISCIPLINARY

Journal of Industrial and Engineering Chemistry

Pub Date : 2025-08-13 DOI: 10.1016/j.jiec.2025.08.022

N. Flórez-Fernández , I. Costa-Trigo , T. Ferreira-Anta , H. Domínguez , J.M Domínguez , A. Paz

In recent years, the development of therapeutic agents or bioactive compounds from natural products has increased due to concerns about antimicrobial-resistant bacteria. This study investigates the antimicrobial properties of olive pomace extract (OP-extract) obtained through hydrodistillation and explores its incorporation into microparticles by spray-drying technology to enhance the stability of the OP-extract. Additionally, four mineral-medicinal waters (MMW) from province of Ourense (O Baniño de Arcos, Fonte de O Tinteiro, As Burgas and Parque de O Carballiño) and Milli-Q water (as a control) were studied as ingredients to explore the use of OP-extract microparticles as a natural dermatologic product. HS GC/MS analysis of OP-extracts revealed a volatile profile with over 20 compounds, mainly aldehydes. The antimicrobial activity of the OP-extract was tested against three pathogens, showing significant inhibition at a concentration of 20 %. Several carriers were evaluated to produce the OP-extract microparticles (10 %, w/w), identifying mannitol (1 %, w/w) as a suitable carrier. The incorporation of microparticles into MMW resulted in a consistent production yield of 30 %. For the three tested pathogens, inhibition was enhanced when microparticles were produced with Baniño MMW for two of them, with values around 81 % for C. albicans, 70 % for S. aureus, while for S. epidermis the value obtained was 65 %.

近年来，由于对抗菌素耐药细菌的关注，从天然产物中开发治疗剂或生物活性化合物的工作有所增加。本研究考察了通过加氢蒸馏法获得的橄榄渣提取物（OP-extract）的抗菌性能，并探讨了通过喷雾干燥技术将其掺入微颗粒中以提高OP-extract的稳定性。此外，研究了来自Ourense省（O Baniño de Arcos, Fonte de O Tinteiro， As Burgas和Parque de O Carballiño）的四种矿物药用水（MMW）和milliq水（作为对照）作为成分，以探索op提取物微粒作为天然皮肤产品的使用。HS - GC/MS分析显示桔梗提取物挥发性成分超过20种，主要为醛类化合物。对三种病原菌的抑菌活性进行了测试，在浓度为20%时表现出明显的抑制作用。对几种载体进行了评价，以制备op -提取物微粒（10%,w/w），确定甘露醇（1%,w/w）为最佳载体。将微颗粒掺入毫米波中，产率始终保持在30%。对于三种被测病原体，Baniño毫米波微颗粒对其中两种病原体的抑制作用增强，对白色念珠菌的抑制作用约为81%，对金黄色葡萄球菌的抑制作用为70%，对表皮葡萄球菌的抑制作用为65%。

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引用次数: 0