Inorganic Chemistry Communications最新文献_第9页

Opportunities and challenges of metal phthalocyanines composites in photodynamic therapy as photosensitizers: A comprehensive review 金属酞菁复合材料作为光敏剂在光动力疗法中的机遇与挑战：综述

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113491

Keshavananda Prabhu Channabasavana Hundi Puttaningaiah, Jaehyun Hur

Photodynamic therapy (PDT) is a promising treatment for various diseases, including cancer cell development, contamination, and microbial infections. Metal phthalocyanines (MPcs) have emerged as prominent photosensitizers (PSs) for PDT owing to their chemical and photophysical properties and ease of functionalization. This comprehensive review explores the opportunities and challenges of MPc and their crucial role in generating reactive oxygen species upon light activation, which induces cytotoxic effects in targeted cells. We examined the photophysical properties of MPc, their action in PDT, and their suitability parameters, such as solubility, biodistribution, and selectivity for diseased tissues. To extend PDT feasibility, we examined recent advancements in the design and synthesis of MPc composites, including their integration into nanocarriers and functionalization with targeting ligands. These innovations aim to enhance PDT specificity and efficiency while minimizing off-target effects. Additionally, this review compares MPc-based PDT to conventional therapies, highlighting its potential application as an advanced approach to enhancing PDT activity. Finally, this study identifies the future research directions and technological innovations necessary to optimize the clinical translation of MPc composites in PDT, highlighting their current state and prospects as PSs and emphasizing their role in advancing PDT as a targeted and effective therapeutic approach in modern medicine.

光动力疗法（PDT）是一种治疗各种疾病（包括癌细胞发展、污染和微生物感染）的有效方法。金属酞菁（MPcs）因其化学和光物理特性以及易于官能化的特点，已成为光动力疗法的主要光敏剂（PSs）。本综述探讨了 MPc 的机遇与挑战，以及它们在光激活时产生活性氧并诱导靶细胞产生细胞毒性效应的关键作用。我们研究了多晶锰酸锂的光物理特性、它们在光透射疗法中的作用，以及它们的适用性参数，如溶解度、生物分布和对病变组织的选择性。为了扩大光导放疗的可行性，我们研究了 MPc 复合材料的设计和合成方面的最新进展，包括将它们整合到纳米载体中以及用靶向配体进行功能化。这些创新旨在提高光导放疗的特异性和效率，同时将脱靶效应降至最低。此外，本综述还将基于 MPc 的光导疗法与传统疗法进行了比较，强调了其作为增强光导疗法活性的先进方法的潜在应用。最后，本研究确定了未来的研究方向和技术创新，以优化 MPc 复合材料在光紫外疗法中的临床应用，强调了它们作为 PS 的现状和前景，并强调了它们在推动光紫外疗法成为现代医学中一种有针对性的有效治疗方法中的作用。

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引用次数: 0

Enhanced adsorption and reduction of Pb(II) from aqueous solution by sulfide-modified nanoscale zerovalent iron: characterization, kinetics and mechanisms 硫化物修饰的纳米级零价铁对水溶液中铅(II)的吸附和还原作用增强：表征、动力学和机制

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113496

Xinyu Yang , Xun Dai , Tiantian Jian , Weiliang Tian

Nanoscale zerovalent iron (nZVI) was prone to aggregation and passivation, which limited its application. Here, sulfide-modified nZVI (S-nZVI) was synthesized to enhance Pb(II) removal, the transmission electron microscope and scanning electron microscope showed S-nZVI particles exhibited a core–shell structure, with Fe⁰ comprising the core and iron oxides in the shell, the generated iron sulfides (FeS_x) were distributed over the iron oxides shell. The water contact angle results suggested S-nZVI was more hydrophobic than nZVI, which could prevent the oxidation of the inner Fe⁰ core with aqueous solution, furthermore, the electrochemical experiments demonstrated the FeS_x improved the electron transfer efficiency from Fe⁰ core to contaminants, enhancing the reactivity of S-nZVI. Mechanism analysis confirmed that the electrostatic attraction, chemical precipitation, surface complexation and reduction occurred during the adsorption. S-nZVI with S/Fe molar ratio of 0.3 offered the best Pb(II) adsorption capacity, and higher pH value was favourable, the presence of co-existing cations (K⁺, Na⁺, Ca²⁺, Mg²⁺) all interfered the Pb(II) removal, followed as Ca²⁺ >Mg²⁺ > K⁺ > Na⁺. The pseudo-second-order kinetics and Langmuir model could well described the adsorption process, indicating that monolayer adsorption dominated the process. Thermodynamic results showed the adsorption was a spontaneous endothermic process, even after 4 cycles of recycling, the removal rate remained at 76.4 %, demonstrating S-nZVI had good reusability.

纳米级零价铁（nZVI）容易聚集和钝化，限制了其应用。透射电子显微镜和扫描电子显微镜显示，S-nZVI 颗粒呈现核壳结构，核心为 Fe0，外壳为铁氧化物，生成的硫化铁（FeSx）分布在铁氧化物外壳上。水接触角结果表明，S-nZVI 比 nZVI 更疏水，这可以防止内部 Fe0 核心被水溶液氧化，此外，电化学实验表明，FeSx 提高了从 Fe0 核心到污染物的电子传递效率，增强了 S-nZVI 的反应活性。机理分析表明，吸附过程中发生了静电吸引、化学沉淀、表面络合和还原作用。S/Fe 摩尔比为 0.3 的 S-nZVI 对铅（II）的吸附能力最好，pH 值越高越有利，共存阳离子（K+、Na+、Ca2+、Mg2+）都会干扰铅（II）的去除，其次是 Ca2+ >Mg2+ > K+ > Na+。伪二阶动力学和 Langmuir 模型很好地描述了吸附过程，表明单层吸附占主导地位。热力学结果表明，吸附是一个自发的内热过程，即使在循环使用 4 次后，去除率仍保持在 76.4 %，这表明 S-nZVI 具有良好的重复使用性。

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引用次数: 0

Robust and eco-friendly double perovskites X2AgFeBr6 (X = Na, Li) simulations and exploration in terms of thermoelectric aspects 从热电方面模拟和探索稳健且环保的双包晶石 X2AgFeBr6（X = Na、Li

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113488

Mawaheb Al-Dossari , Saima Zafar , Ahmad M. Saeedi , Fawad Khan , Adeela Afzal , Raed H. Althomali , Gideon F.B. Solre , Syed Zuhair Abbas Shah , Sana Ullah Asif , A. Alqahtani

In this computational work, we simulated the robust and eco-friendly double perovskites X₂AgFeBr₆ (X = Na, Li) for the first time in detail for green energy harvesting applications involving thermoelectric generators. The structural, mechanical, and thermodynamic stability is assured from the Goldschmidt’s tolerance and octahedral parameters, Burn-Haun criterion, formation energies, and phonon spectra respectively. The electronic band structures and density of states informed us the semiconducting nature of the compounds with band gaps of 4.81 eV, and 3.82 eV. The thermoelectric parameters like electrical conductivity close to ∼ 10¹⁷(Ωms)^-1, Seebeck coefficients up to 531.56 (μV/K), power factor in range of ∼ 10¹⁰ W/msk², and figure of merits close to one are observed at room temperature (T = 300 K). These fascinating results provide a theoretical basis for the synthesis of lead-free double perovskites X₂AgFeBr₆ (X = Na, Li), which find applications in thermoelectric devices.

在这项计算工作中，我们首次详细模拟了坚固且环保的双包晶石 X2AgFeBr6（X = Na、Li），用于涉及热电发电机的绿色能源收集应用。根据戈尔德施密特公差和八面体参数、Burn-Haun 准则、形成能和声子光谱，分别确定了结构、机械和热力学稳定性。电子能带结构和状态密度告诉我们，化合物具有半导体性质，带隙分别为 4.81 eV 和 3.82 eV。在室温（T = 300 K）下，我们观察到了热电参数，如电导率接近 ∼ 1017(Ωms)-1，塞贝克系数高达 531.56 (μV/K)，功率因数在 ∼ 1010 W/msk2 的范围内，优点系数接近 1。这些引人入胜的结果为无铅双包晶石 X2AgFeBr6（X = Na、Li）的合成提供了理论依据，这种包晶石可应用于热电设备。

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引用次数: 0

Application of biogenic silver nanoparticle incorporated nanofibers in biomedical science 生物银纳米粒子纳米纤维在生物医学中的应用

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113455

Safi Ur Rehman Qamar , Katarina Virijević , Jelena Košarić , Marko Živanović , Andrija Ćirić , Nenad Filipović

The applications of nanotechnology are expanding into medical science for designing new medical devices related products. These products can deliver targeted therapies to diseases such as cancer and peripheral artery treatment. Therefore, with the goal to treat peripheral artery disease, we integrated biogenic silver nanoparticles (AgNPs) into polyethylene glycol-polycaprolactone (PEG-PCL) nanofibrous (NFs). The AgNPs-NFs mats were successfully fabricated using a blended electrospinning process. AgNPs with average sizes of 35–55 nm were produced and characterized using multiple techniques such as UV–Vis spectroscopy, TEM, SEM and FTIR. Nanofibrous membranes containing 1 %, 2 %, and 3 % AgNPs by weight were developed, showing a reduction in fiber diameter from 473 nm to 179 nm due to the introduction of charged particles. The scaffold’s suitability and drug release profile were critically analyzed, revealing results consistent with optimal biomedical applications. Preliminary studies indicated that AgNPs dose-dependent inhibition of human umbilical vein endothelial cells (HUVECs) may potentially help prevent atherosclerosis. These findings underscore the potential of AgNPs integrated PEG-PCL NFs mats for advanced biomedical applications.

纳米技术的应用正扩展到医学领域，用于设计新的医疗设备相关产品。这些产品可为癌症和外周动脉治疗等疾病提供靶向疗法。因此，为了治疗外周动脉疾病，我们在聚乙二醇-聚己内酯（PEG-PCL）纳米纤维（NFs）中加入了生物银纳米粒子（AgNPs）。AgNPs-NFs 垫采用混合电纺工艺成功制成。制备出平均尺寸为 35-55 nm 的 AgNPs，并利用紫外可见光谱、TEM、SEM 和 FTIR 等多种技术对其进行了表征。按重量计，纳米纤维膜含有 1%、2% 和 3% 的 AgNPs，由于引入了带电粒子，纤维直径从 473 nm 减小到 179 nm。对支架的适用性和药物释放情况进行了严格分析，结果显示其符合最佳生物医学应用。初步研究表明，AgNPs 对人脐静脉内皮细胞（HUVECs）的剂量依赖性抑制可能有助于预防动脉粥样硬化。这些发现强调了 AgNPs 集成 PEG-PCL NFs 垫在先进生物医学应用中的潜力。

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引用次数: 0

Efficient electrochemical determination of Sudan I in food samples based on modified electrode by using Ni-Fe layered double hydroxide nanosheets and ionic liquid 使用 Ni-Fe 层状双氢氧化物纳米片和离子液体改性电极高效电化学测定食品样品中的苏丹 I

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113500

Sayed Zia Mohammadi , Somayeh Tajik , Hooshang Hamidian , Farideh Mousazadeh , Fatemeh Emambakhsh , Amineh Farzan

Sudan I, is one of the commonly used azo dyes in food samples, which has shown adverse effects on human health. Therefore, determining the level of Sudan I in food samples can be very effective in ensuring food safety and protecting human health. In this study, an electrochemical sensing platform was designed using Ni-Fe layered double hydroxide nanosheets and ionic liquid modified carbon paste electrode (Ni-Fe LDH/ILCPE) which was utilized to determine Sudan I. Comparison of cyclic voltammograms of Sudan I on the unmodified CPE and Ni-Fe LDH/ILCPE showed that, the higher oxidation currents were obtained on the surface of the Ni-Fe LDH/ILCPE, indicating that the modified CPE owns significant surface improvement effects and good electrochemical performance in detecting Sudan I. Under optimized conditions, the developed Ni-Fe LDH/ILCPE sensor demonstrated a linear relationship between the voltammetric response and Sudan I concentrations from 0.03 µM to 510.0 µM with a low detection limit (LOD) of 0.01 µM based on S/N = 3.0. Additionally, the Ni-Fe LDH/ILCPE platform exhibits high accuracy, with a recovery of 96.4 % to 104.1 % for Sudan I determination in food samples including Ketchup and Chilli powder, which implies that it will be a potential detection method for Sudan I detection.

苏丹 I 是食品样本中常用的偶氮染料之一，对人体健康有不良影响。因此，检测食品样品中苏丹 I 的含量可以有效确保食品安全，保护人类健康。本研究利用 Ni-Fe 双层氢氧化物纳米片和离子液体修饰碳浆电极（Ni-Fe LDH/ILCPE）设计了一种电化学传感平台，用于测定苏丹 I。比较苏丹 I 在未改性 CPE 和 Ni-Fe LDH/ILCPE 上的循环伏安图发现，Ni-Fe LDH/ILCPE 表面的氧化电流更大，这表明改性 CPE 具有显著的表面改良效果和良好的电化学性能来检测苏丹 I。在优化条件下，所开发的 Ni-Fe LDH/ILCPE 传感器的伏安响应与苏丹 I 的浓度在 0.03 µM 至 510.0 µM 之间呈线性关系，基于信噪比 = 3.0 的低检测限 (LOD) 为 0.01 µM。此外，Ni-Fe LDH/ILCPE 平台的准确度也很高，在测定番茄酱和辣椒粉等食品样品中的苏丹 I 时，回收率在 96.4 % 到 104.1 % 之间，这意味着它将成为一种潜在的苏丹 I 检测方法。

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引用次数: 0

Multiple stimuli-responsive double perovskite structured Ca2MgWO6: x % Eu3+ (x = 1–11 mol) red-emitting luminescent systems to combat counterfeiting 多种刺激响应型双包晶石结构 Ca2MgWO6: x % Eu3+ (x = 1-11 mol) 红色发光系统用于打击假冒伪劣产品

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113460

Akshay Arjun , H.B. Premkumar , S.C. Sharma , H. Nagabhushana , Likhit Balse , Matteo Bordin , Kassa Belay Ibrahim , G.P. Darshan

The rapid escalation of counterfeiting activities in recent years has posed significant challenges across diverse fields, such as pharmaceuticals, currency, luxury goods, and electronics. In response, inorganic phosphors have emerged as promising tools to combat counterfeiting due to their inherent durability and stability. The present work focuses on the synthesis of Ca₂MgWO₆: x % Eu³⁺ (x = 1–11 mol) luminescent systems via a gel-combustion route. The structural analysis of the synthesized luminescent systems confirmed a monoclinic crystal phase with a P2₁/n space group. The morphological study of the luminescent system revealed a network-like structure comprising interconnected particles. Photoluminescence emission spectra show a prominent red emission peak at 616 nm, corresponding to the ⁵D₀ → ⁷F₂ 4f–4f electronic transition of Eu³⁺ ions in the host matrix. The emitted red light demonstrates a color purity and quantum efficiency of 93.1 % and 77.41 %, respectively. The anti-counterfeiting security patterns were developed using the Ca₂MgWO₆: x % Eu³⁺ (x = 9 mol) luminescent system, which showcases virtually invisible under normal light. However, developed patterns exhibit vivid red luminescence when exposed to multiple stimuli i.e., ultraviolet light at 365 and 395 nm wavelength, which envisages the versatility of the systems for enhancing product authentication and protecting against fraudulent activities across multiple industries. The aforementioned results demonstrated the efficacy of Ca₂MgWO₆: Eu³⁺ luminescent systems for integration into advanced security measures.

近年来，造假活动迅速升级，给制药、货币、奢侈品和电子产品等多个领域带来了重大挑战。对此，无机荧光粉因其固有的耐久性和稳定性，已成为一种很有前途的打假工具。本研究的重点是通过凝胶燃烧路线合成 Ca2MgWO6: x % Eu3+ （x = 1-11 mol）发光系统。对合成的发光系统进行的结构分析表明，该发光系统具有 P21/n 空间群的单斜晶相。发光系统的形态学研究显示，该发光系统由相互连接的颗粒组成了网状结构。光致发光发射光谱显示，在 616 纳米波长处有一个突出的红色发射峰，与宿主基质中 Eu3+ 离子的 5D0 → 7F2 4f-4f 电子转变相对应。所发射的红光的色纯度和量子效率分别为 93.1 % 和 77.41 %。防伪防伪图案是利用 Ca2MgWO6：x % Eu3+（x = 9 mol）发光体系开发的，在正常光线下几乎不可见。然而，当受到 365 和 395 纳米波长的紫外线等多种刺激时，所开发的图案会发出鲜艳的红色荧光。上述结果表明，Ca2MgWO6: Eu3+ 发光系统可有效集成到先进的安全措施中。

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引用次数: 0

Sustained photoluminescence of porous silicon is enhanced by efficient oxidation with a stable and moderate tris buffer solution 多孔硅的持续光致发光通过使用稳定适度的三相缓冲溶液进行高效氧化而得到增强

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113446

Keyu Mao , Xingyu Liu , Yue Yan, Lianbin Wu

In this paper, we report a moderate and efficient method for the oxidation of porous silicon micro-particles (pSiMPs). The oxidation reaction was controlled by using a moderate Tris-buffer (25 mM) as the oxidant and citric acid solution as the terminator. The physical and chemical properties of pSiMPs before and after reaction have been characterized using photoluminescence, scanning electron microscope, Fourier transform infrared and Raman spectroscopy. And the mechanism of the oxidation of porous silicon and the termination reaction by adding acid was explored. The pSiMPs with good stability and photoluminescence properties can obtained by introducing 405 nm laser irradiation during the oxidation process, the ratio of oxidant volume and pSiMPs mass was 3:1, and controlling the oxidation process by 25 mM citric acid solution. Furthermore, specific concentration of citric acid can effectively improve the photoluminescence property of porous silicon.

在本文中，我们报告了一种温和、高效的氧化多孔硅微颗粒（pSiMPs）的方法。氧化反应是通过使用中等浓度的 Tris 缓冲液（25 mM）作为氧化剂和柠檬酸溶液作为终止剂来控制的。利用光致发光、扫描电子显微镜、傅立叶变换红外光谱和拉曼光谱对反应前后 pSiMPs 的物理和化学性质进行了表征。并探讨了多孔硅氧化和加酸终止反应的机理。在氧化过程中引入 405 nm 激光照射，氧化剂体积与 pSiMPs 质量比为 3:1，并用 25 mM 柠檬酸溶液控制氧化过程，可获得具有良好稳定性和光致发光性能的 pSiMPs。此外，特定浓度的柠檬酸能有效改善多孔硅的光致发光性能。

引用次数: 0

Phyto-mediated synthesis of ZnO/attapulgite nanocomposites using C. limon peel extract for enhancing the resistance against multidrug-resistant bacteria and fungi 利用柠檬皮提取物通过植物介导合成氧化锌/阿塔帕石纳米复合材料，增强对耐多药细菌和真菌的抵抗力

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113470

Yalong Li , Fangfang Yang , Yinfeng Yang , Bin Mu , Xinyue Liu , Aiqin Wang

ZnO have great potential in combating multidrug-resistant (MDR) bacteria, however, green synthesis and activity regulation still face challenges. In this study, we designed a green bioinspired method mediated by C. limon peel extract to synthesise a series of attapulgite (APT) supported ZnO nanocomposites for enhancing the resistance against MDR pathogenic bacterial and fungal, in which the structure and morphology of ZnO was regulated by APT inducing heterogeneous nucleation of ZnO, thus enhancing the antibacterial activity of the nanocomposites. XRD and TEM analysis demonstrated that ZnO/APT with a unique peg-top-like morphology and well-defined crystal structure was successfully synthesized via the regulation of Zn²⁺ ions concentration. XPS results confirmed that the oxygen vacancy increased significantly compared with the pure ZnO (has a cubic shape) due to the structural modulation of ZnO induced by APT. The obtained ZnO/APT nanocomposites exhibited excellent biocompatibility and enhanced antibacterial efficacy with a complete inhibition at a concentration of 0.125 mg/mL for MRSA, a high inhibitory rate of 94.68 ± 1.43 % at a concentration of 0.5 mg/mL for ESBLs-E. coli, and the antifungal rate against C. albicans was found to be 95.59 ± 1.08 % at a concentration of 0.25 mg/mL. In addition, the ZnO/APT had a good hemostatic effect and enhanced biocompatibility compared to pure ZnO. The study provides a green way to design efficient ZnO antibacterial nanomaterials with remarkable antimicrobial efficacy and lower cytotoxicity, and the ZnO/APT nanocomposite is potential for clinical applications.

氧化锌在对抗耐多药（MDR）细菌方面具有巨大潜力，但绿色合成和活性调控仍面临挑战。在本研究中，我们设计了一种以柠檬皮提取物为介导的绿色生物启发方法，合成了一系列阿塔蓬石（APT）支撑的 ZnO 纳米复合材料，用于增强对 MDR 致病细菌和真菌的抵抗力。XRD 和 TEM 分析表明，通过调节 Zn2+ 离子的浓度，成功合成了具有独特钉顶状形貌和清晰晶体结构的 ZnO/APT。XPS 结果证实，与纯 ZnO（呈立方体）相比，由于 APT 对 ZnO 结构的调节，氧空位显著增加。所获得的 ZnO/APT 纳米复合材料具有良好的生物相容性和更强的抗菌功效，浓度为 0.125 mg/mL 时可完全抑制 MRSA，浓度为 0.5 mg/mL 时对 ESBLs 大肠杆菌的抑制率高达 94.68 ± 1.43%，浓度为 0.25 mg/mL 时对白僵菌的抗真菌率为 95.59 ± 1.08%。此外，与纯 ZnO 相比，ZnO/APT 具有良好的止血效果和更强的生物相容性。该研究为设计抗菌效果显著、细胞毒性较低的高效氧化锌抗菌纳米材料提供了一条绿色途径，氧化锌/APT纳米复合材料具有临床应用潜力。

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引用次数: 0

Relative graphene materials (RGMs) and silver nanoparticles (AgNPs): A review from fundamental antibacterial issues to current cytotoxicity and biosafety 相对石墨烯材料（RGMs）和银纳米粒子（AgNPs）：从基本抗菌问题到当前的细胞毒性和生物安全性综述

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113492

Nguyen Thanh Hoai Nam , Nguyen Minh Dat , Nguyen Hung Vu , Le Minh Huong , Nguyen Duy Hai , Nguyen Thi Ngoc Hieu , Nguyen Huu Hieu

Silver@relative graphene materials (Ag@RGMs) have engrossed immense interest as a superior antibacterial therapeutic agent owing to the inherent bacteriostatic effect from silver nanoparticles (AgNPs) and the reinforcement of the graphene or its derivatives such as graphene oxide (GO), reduced graphene oxide (rGO), etc. supplying the barrier encapsulation for the effort of the cell absorption. Herein, this review predominantly elucidated and comprehensively performed from individual fundamental bactericidal mechanisms of each component to totals in cases of composite. Moreover, apart from the understanding of bactericidal activity, the summaries of the cellular toxic effect and exposure pathways that threaten human health were also thoroughly discussed. Accordingly, together with an overview of the differences in the behaviors based on previously reported, it also revealed insights into the bacterial killing-induction, the toxicological possibility, and the biosafety/biocompatibility of the Ag@RGMs. As standing from these basis, the review is capable of providing the induction into upcoming studies and evolutions in the Ag@RGMs in nanomedicine and nanopharmaceuticals.

银@相关石墨烯材料（Ag@RGMs）作为一种卓越的抗菌治疗剂引起了人们的极大兴趣，这是因为银纳米粒子（AgNPs）具有固有的抑菌作用，而石墨烯或其衍生物（如氧化石墨烯（GO）、还原氧化石墨烯（rGO）等）的增强作用则为细胞吸收提供了屏障封装。在此，本综述主要阐明并全面介绍了从每种成分的基本杀菌机制到复合材料的总体杀菌机制。此外，除了对杀菌活性的理解，还对威胁人类健康的细胞毒性效应和暴露途径进行了深入探讨。因此，在综述以往报道的行为差异的同时，还揭示了 Ag@RGMs 的杀菌诱导、毒理学可能性和生物安全性/生物兼容性。从这些基础出发，该综述能够为纳米医学和纳米药物中的 Ag@RGMs 的未来研究和发展提供启示。

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引用次数: 0

Synergistic enhancement of photocatalytic degradation performance in Cl-g-C3N4/Bi3Al0.06O10 through nitrogen vacancies and S-scheme heterojunctions 通过氮空位和 S 型异质结协同提高 Cl-g-C3N4/Bi3Al0.06O10 的光催化降解性能

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications

Pub Date : 2024-11-06 DOI: 10.1016/j.inoche.2024.113430

Fu Ma , Xiao-shan Miao , Zheng-bing Han , Zhe Yu , Yan Zhou , Xu Li , Hong-jian Zhao

The ternary Aurivilius compound Bi_xAl_yO_z was prepared via a solvothermal technique, with the specific composition determined to be Bi₃Al_0.06O₁₀ using inductively coupled plasma optical emission spectroscopy. A Cl-g-C₃N₄/Bi₃Al_0.06O₁₀ heterojunction was constructed using the solvothermal coprecipitation method. Notably, the introduction of Cl-g-C₃N₄ with Bi₃Al_0.06O₁₀ significantly enhanced the decolorization efficiency of both Rhodamine B (RhB) and methylene blue (MB). Specifically, the Cl-g-C₃N₄/Bi₃Al_0.06O₁₀ composite with a mass ratio of 1:4 achieved a removal rate of 96.81 % for RhB within 20 min and 96.70 % for MB within 180 min. This is mainly attributed to the synergistic effects of N vacancies and the formation of S-scheme heterojunction in Cl-g-C₃N₄/Bi₃Al_0.06O₁₀. These features facilitate the effective separation of photogenerated electrons and holes while expanding the light absorption range. This study not only presents a novel method for synthesizing photocatalysts with N vacancies but also offers a new approach for treating dye-contaminated wastewater.

通过溶热技术制备了三元 Aurivilius 化合物 BixAlyOz，并利用电感耦合等离子体光发射光谱确定其具体成分为 Bi3Al0.06O10。利用溶热共沉淀法构建了 Cl-g-C3N4/Bi3Al0.06O10 异质结。值得注意的是，Cl-g-C3N4 与 Bi3Al0.06O10 的引入显著提高了罗丹明 B（RhB）和亚甲基蓝（MB）的脱色效率。具体而言，质量比为 1:4 的 Cl-g-C3N4/Bi3Al0.06O10 复合材料在 20 分钟内对 RhB 的去除率达到 96.81%，在 180 分钟内对 MB 的去除率达到 96.70%。这主要归功于 Cl-g-C3N4/Bi3Al0.06O10 中 N 空位的协同效应和 S 型异质结的形成。这些特征有助于有效分离光生电子和空穴，同时扩大光吸收范围。这项研究不仅提出了一种合成具有 N 空位的光催化剂的新方法，还为处理受染料污染的废水提供了一种新途径。

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引用次数: 0