Materials Chemistry and Physics最新文献

{"title":"Synthesis and characterization of La2S3-Mercaptoacetic acid nanocomposite films for enhanced gas sensing applications","authors":"Mohanad Q. Kareem ,&nbsp;Hanaa A. Muhammad ,&nbsp;Wlla M. Mohammad","doi":"10.1016/j.matchemphys.2025.130709","DOIUrl":"10.1016/j.matchemphys.2025.130709","url":null,"abstract":"<div><div>This investigation examines the synthesis, characterization, and sensing capabilities of mercaptoacetic acid (MMA)-functionalized lanthanum sulfide (La₂S₃) nanocomposite films for gas detection applications. The La₂S₃-MMA thin films, prepared via solvothermal synthesis, underwent comprehensive characterization through X-ray diffraction, field-emission scanning electron microscopy, and optical spectroscopy, revealing their structural, morphological, and optical characteristics. Temperature-dependent electrical measurements demonstrated distinct conductivity patterns and charge transport mechanisms within the nanocomposite structure. Performance evaluation across different operating temperatures yielded compelling results. At ambient conditions (25 °C), the films displayed a sensitivity of 28.65 % with response and recovery times of 32.67 and 19.62 s, respectively. Elevating the temperature to 100 °C enhanced sensitivity to 75 %, while modifying response dynamics (31.68s response, 29.52s recovery). Optimal sensing performance emerged at 200 °C, achieving 86.58 % sensitivity, though with an extended response time of 42.21 s and improved recovery time of 15.57 s.These findings establish MMA-functionalized La₂S₃ nanocomposite films as promising candidates for advanced gas sensing applications, demonstrating exceptional detection capabilities for volatile compounds and contributing significantly to the development of next-generation sensing technologies.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130709"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel N-(2-acetamido)-2-aminoethanesulfonic acid (AASA) and Zr3C2Tx MXene-modified organosolv lignin (OL) (AASA@ Zr3C2Tx @OL) composite for simultaneous adsorption of tetracycline and U(VI)","authors":"Irfan Ijaz ,&nbsp;Aysha Bukhari ,&nbsp;Ammara Nazir ,&nbsp;Ezaz Gilani ,&nbsp;Hina Zain ,&nbsp;Attia shaheen ,&nbsp;Mohammed Rafi Shaik ,&nbsp;Mujeeb Khan","doi":"10.1016/j.matchemphys.2025.130726","DOIUrl":"10.1016/j.matchemphys.2025.130726","url":null,"abstract":"<div><div>Hospital wastewater contains two dangerous contaminants that coexist: tetracycline (TC) and uranium (U(VI)). Comprehensive studies on the simultaneous removal of U (VI) and TC with potential mechanisms have not yet been conducted. Therefore, a novel N-(2-acetamido)-2-aminoethanesulfonic acid (AASA) and Zr₃C₂T_x MXene-modified organosolv lignin (OL) (AASA@Zr₃C₂T_x@OL) composite was facilely synthesized as a model adsorbent for demonstrating its simultaneous adsorption capability and mechanism for tetracycline (TC) and uranium (U (VI). The adsorption performance of the AASA@Zr₃C₂T_x@OL ternary composite was examined at various temperatures (2938.15, 308.15, 318.15K, and 328.15 K), pH values (1–9 for U(VI) and 1–12 for TC), and starting adsorbent concentrations (1–100 mg/L for U(VI) and 1–150 mg/L for TC) in this work. In a single pollutant system, it was discovered that the as-resultant adsorbent demonstrated remarkable sorption capability toward TC and U (VI), with q_max values of 563.93 and 454.27 mg/g, respectively. Adsorption of TC and U (VI) can attain equilibrium in 3 and 6 min, respectively, because of the participation of several mechanisms, such as hydrogen bonding, π-π interaction, electrostatic attraction, and complexation It is interesting to note that, in the TC-U (VI) binary system, the complex (AASA@Zr₃C₂T_x@OL adsorbent-U (VI)-TC or AASA@Zr₃C₂T_x@OL adsorbent-TC-U (VI)) formed when U (VI) or TC coexisted, significantly promoting each other's removal efficiency. The results of XPS and FTIR studies indicated that the uptake mechanisms were primarily due to hydrogen bonding, π-π interaction, electrostatic attraction, and complexation.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130726"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced pH sensing performance: Multi-dye encapsulated Ag-doped SiO2 and zincite supported nanocomposite with ultra-fast response time","authors":"Shumaila Islam,&nbsp;Adil Alshoaibi","doi":"10.1016/j.matchemphys.2025.130718","DOIUrl":"10.1016/j.matchemphys.2025.130718","url":null,"abstract":"<div><div>Zincite (ZnO)-supported <span>Silver</span> (Ag) doped SiO₂ nanocomposite (ZASNC) is synthesized by sol-gel method at 70 °C. The mixture of phthalein dyes i.e., creosol red (CR), phenolphthalein (PHp), phenol red (PR), and bromophenol blue (BPB) is encapsulated in ASNC (silver doped SiO₂ nanocomposite) and ZASNC for pH sensing assessment at dynamic range 12. Both nanocomposites possessed thermal stability at ≤ 480 °C, porous granular structures, uniform elemental distribution, featuring a tiny crystallite size, large surface area (S_BET) of about 325 m² g⁻¹ (ASNC) and 387 m²g^-1 (ZASNC). Both nanocomposites revealed heterogeneous chemical bonding between Zn, Ag, Si, and functional groups. The MD-ZASNC revealed pKa (negative log of the acid dissociation constant) ∼ 9.5 at 557 nm, response time in terms of color ∼0.5s–0.2s in pH 1–12. These findings highlight the potential of MD-ZASNC across dynamic pH ranges 1–12 for aqueous media sensing for various research domains including environmental and food analysis.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130718"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Inorganic-organic composite protective coating for biodegradable metal ureteral stents","authors":"Yongqin Wang ,&nbsp;Weihang Zhang ,&nbsp;Youlu Hua ,&nbsp;Yanfa Mao ,&nbsp;Qihang Xv ,&nbsp;Chen Zhong ,&nbsp;Sheng Cao ,&nbsp;Deqiang You ,&nbsp;Xiaojian Wang","doi":"10.1016/j.matchemphys.2025.130717","DOIUrl":"10.1016/j.matchemphys.2025.130717","url":null,"abstract":"<div><div>Conventional ureteral stents are made of non-biodegradable polymers or metals and often need secondary surgical removal. Biodegradable ureteral stents offer advantages in reducing urethral inflammation and scaling, avoiding secondary surgical removal of the stent, and improving patient comfort. In this study, a novel inorganic-organic composite protective coating consisting of an inorganic inner layer of magnesium hydroxide-magnesium fluoride (Mg(OH)₂–MgF₂) and an organic outer layer of poly(trimethylene) carbonate (PTMC) was prepared on biodegradable magnesium ureteral stents using a simple and low-cost method. Electrochemical tests showed that the composite coating significantly improved the corrosion resistance of magnesium, reducing the I_corr value from 45.53 μA·cm⁻² to 3.58 μA·cm⁻², and significantly reducing the P_i value. In addition, the <em>in vitro</em> immersion tests showed that the weight loss of the composite coated samples was only 2.58 mg over 7 days, which was significantly lower than that of bare magnesium, which was 5.62 mg. Additionally, the pH change was minimal (from 6.53 to 6.77 ± 0.01), and Mg²⁺ release was effectively controlled at 35.98 mg·L⁻¹. The coating significantly improves the corrosion resistance of magnesium stents, reduces localized corrosion and Mg²⁺ release, while exhibiting good blood compatibility (&lt;5 %). Biodegradable composite protective coatings are expected to reduce complications associated with conventional stents and improve patient outcomes, showing excellent potential for ureteral stent applications.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130717"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasensitive voltammetric sensor based on ferrocenium tetrachloroferrate for determination of manganese(II) in water pollutant","authors":"Alwi Nofriandi ,&nbsp;Yulkifli ,&nbsp;Illyas Md Isa ,&nbsp;Norhayati Hashim ,&nbsp;Mohamad Idris Saidin ,&nbsp;Mohamad Syahrizal Ahmad ,&nbsp;Indang Dewata ,&nbsp;Yohandri ,&nbsp;Mawardi ,&nbsp;Alizar ,&nbsp;Ratno Nuryadi","doi":"10.1016/j.matchemphys.2025.130725","DOIUrl":"10.1016/j.matchemphys.2025.130725","url":null,"abstract":"<div><div>This study presents the development and characterization of a multi-walled carbon nanotubes (MWCNTs)-based paste electrode modified with ferrocenium tetrachloroferrate (FTCF) for detecting of manganese(II) ions, Mn(II) in environmental applications. The modified material was characterized using Fourier transform infrared spectroscopy, X-ray diffraction, and field emission scanning electron microscopy. Electrochemical performance was evaluated through cyclic voltammetry, electrochemical impedance spectroscopy, and chronocoulometry. Square wave voltammetry was employed for quantitative detection of Mn(II). The MWCNTs/FTCF electrode demonstrated a linear detection range from 1.0 nM to 0.1 μM and 1.0 μM to 0.1 mM, with correlation coefficients (R²) of 0.9865 and 0.9762, respectively, and a detection limit of 0.275 nM. Interference study towards 11 competing ions, each at 10 folds concentration of Mn(II) shown an interference levels below 15 %, indicating a good selectivity. Additionally, the electrode exhibited excellent stability and reproducibility. The proposed electrode has been applied to determine Mn(II) in real water samples and the results shown that recovery values from 93 % to 113 %. Hence, it was suggested as alternative tool for the analysis of Mn(II) in environmental study.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130725"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interpenetrating and cross-linking effects of commercial and biopolymer binders on silicon anode performance in lithium-ion batteries","authors":"Omer Suat Taskin ,&nbsp;Isik Ipek Avci Yayla ,&nbsp;Neslihan Yuca","doi":"10.1016/j.matchemphys.2025.130723","DOIUrl":"10.1016/j.matchemphys.2025.130723","url":null,"abstract":"<div><div>Lithium-ion batteries, which are energy storage systems, are gaining popularity due to their adaptability and benefits for a wide range of applications. Silicon (Si) is a potential anode material for high-energy LIBs, however its huge volume expansion (%300) during charging and discharging inhibits their industrialization. Polymer binders are crucial for minimizing this volume expansion and maintaining integrity of Si anodes, as reported by many studies. In this study, the effect of cross-linking chemistry and functionalities of polymers on Si-based anodes was investigated. For cross-linking, polyacrylic acid (PAA) and alginic acid were used as main polymers and polyvinyl alcohol (PVA) and poly(vinyl butyral-co-vinyl alcohol-co-vinyl acetate) (PBA) were used as counter polymers. These Si-anodes were further examined using cycle tests in half cells, as well as scanning electron microscopy (SEM), X-ray diffraction (XRD) analyses of the electrodes before and after cycling. All results suggested that as an anode for LIB, PAA-PVA exhibited high reversible capacity (2231 mAh/g at C/3) and good cycling performance (reversible capacity of 1422 mAh/g after 300 cycles at C/3).</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130723"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the sensor performance of tetragonal graphene decorated with Pt for anticancer drug","authors":"Ayman M. Al-Qaaneh ,&nbsp;Ahmed Salih Sahib ,&nbsp;Prakash Kanjariya ,&nbsp;Asha Rajiv ,&nbsp;Aman Shankhyan ,&nbsp;D.S. Jayalakshmi ,&nbsp;Bhavik Jain ,&nbsp;Hassan Abdulhadi Jasim ,&nbsp;Mounir M. Bekhit","doi":"10.1016/j.matchemphys.2025.130724","DOIUrl":"10.1016/j.matchemphys.2025.130724","url":null,"abstract":"<div><div>The current study presented a detailed analysis and comparison of the adhesion characteristics and sensing capabilities of both pure T-graphene (PTGr) and Pt-decorated (Pt@TGr), utilizing DFT for analyzing the interactions with 5-fluorouracil (5FU). Recent findings have highlighted the metallic nature of PTGr. Our results indicated that the decorating PTGr with Pt significantly altered the electronic attributes of the PTGr. The DFT estimations revealed a reduction in the bandgap of the PTGr upon the incorporation of the Pt atoms. Furthermore, 5FU had a physical adhesion onto the PTGr with a low adhesion energy of roughly −0.42 eV. In contrast, the adhesion energy for 5FU on Pt@TGr was enhanced to about −3.59 eV in comparison with PTGr. A sensor based on PTGr or Pt@TGr is developed to assess the sensitivity towards the 5FU molecules in relation to adhesion energy. The findings demonstrated that the sensitivity of PTGr towards 5FU was below 15 %, whereas Pt@TGr exhibited a significantly higher sensitivity of up to 78 %. These results suggested that Pt@TGr holds considerable potential for applications in various areas, including drug delivery and detecting 5FU.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130724"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143642173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comparative investigation of plasma nitriding and oxy-nitriding treatment on cells and bacterial interaction on titanium surfaces","authors":"M.M. Aires ,&nbsp;M. Naeem ,&nbsp;R.F. Melo-Silveira ,&nbsp;A.J. Macedo ,&nbsp;I.V. de Souza ,&nbsp;H.A.O. Rocha ,&nbsp;R.R.M. de Sousa ,&nbsp;C.Alves Júnior","doi":"10.1016/j.matchemphys.2025.130716","DOIUrl":"10.1016/j.matchemphys.2025.130716","url":null,"abstract":"<div><div>There is a growing interest in obtaining ideal biomaterials that exhibit appropriate cell responses and are not sensitive to bacterial adhesion. For this purpose, titanium is widely used as biomaterial, with several surface modifications to improve their response in implants and medical devices. In this study, titanium grade II is plasma treated using nitrogen gas (termed as plasma nitriding) and a mixture of nitrogen-oxygen (termed as plasma oxy-nitriding) and their structural, topographical, bacterial adhesion (Pseudomonas aeruginosa) and cell adhesion (osteoblast cells) are compared. It is observed that the bacterial adhesion and cell adhesion are significantly changed by modifying the surface properties of titanium, and in particular, the oxy-nitrided sample exhibits a lower density of bacterial adhesion (58 % lower than untreated titanium) and higher cell adhesion (14 % higher than untreated titanium). This modification in surface properties is probably caused by the changes in crystalline phases, with nitrides and oxy-nitrides, chemical composition, and changes in surface roughness. This study shows that surface properties, which result in cellular proliferation and bacterial adhesion, can be tunned, and oxy-nitriding is more beneficial than nitriding of titanium surface. This study's outcomes will help attain more appropriate biomaterials for implants and other biomedical devices.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130716"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of A-site Tb3+ doping on the microstructure, optical and magnetoelectric properties of ErCrO3","authors":"Zheng Li ,&nbsp;Yuling Su ,&nbsp;Gaoshang Gong ,&nbsp;Yuying Zuo ,&nbsp;Jin Zhou ,&nbsp;Yaran Duan ,&nbsp;Yongqiang Wang","doi":"10.1016/j.matchemphys.2025.130711","DOIUrl":"10.1016/j.matchemphys.2025.130711","url":null,"abstract":"<div><div>In this paper, Er_1-<em>x</em>Tb_<em>x</em>CrO₃ (0 ≤ <em>x</em> ≤ 0.5) samples were prepared by solid phase method. The effects of A-site Tb³⁺ doping on the microstructure, optical and magnetoelectric properties of ErCrO₃ were investigated systematically. The XRD patterns of all samples are consistent with the orthogonal distorted perovskite structure and belong to the <em>Pbnm</em> space group. Tb³⁺ ions increased the lattice constant of ErCrO₃ sample and reduced lattice distortion and optical band gap. It also leads to a decrease in the concentration of vacancy defects in the parent compound. The anomalous increase of lattice constants at <em>x</em> = 0.1 is related to the creation of vacancy defects, and is confirmed by positron annihilation lifetime spectra and FTIR spectroscopy. The antiferromagnetic transition temperature T_N(Cr) and the coercivity field H_c gradually increase with Tb³⁺ ions, and the peak decrease near T_SR, while an exchange bias effect is produced. Dielectric measurements indicate that Tb³⁺ ions effect the Er–Er and Er–Cr interactions, and the dielectric constants of the sample change with the of Tb³⁺ doping amount.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130711"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Moxifloxacin-loaded Co0.9Zn0.1Fe1.975Dy0.025O4 magnetic nanoparticles coated with alginate and chitosan: Investigating drug release and antibacterial properties","authors":"Leila Rakhsha ,&nbsp;Saeed Hasani ,&nbsp;Amir Seifoddini ,&nbsp;Vahid Ramezani ,&nbsp;Mahdiyeh Khajehkhalili","doi":"10.1016/j.matchemphys.2025.130702","DOIUrl":"10.1016/j.matchemphys.2025.130702","url":null,"abstract":"<div><div>Biopolymer-coated magnetic nanoparticles (MNPs) present a promising avenue for biomedical applications due to their exceptional properties. In this study, Co_0.9Zn_0.1Fe_1.975Dy_0.025O₄ ferrite nanoparticles were synthesized using the co-precipitation method and characterized. The average crystallite size of the MNPs was determined as 38.89 nm. Two distinct systems were created by coating the MNPs with alginate and chitosan, followed by loading them with moxifloxacin. Various analytical techniques confirmed the saturation magnetization values of the MNPs and coated MNPs, as well as the drug loading percentages. The hydrodynamic sizes of the coated MNPs were reported as 401.1 nm for alginate and 192.2 nm for chitosan. UV–Vis spectroscopy was used to determine the amount of moxifloxacin loaded onto the nanoparticles, revealing that the drug loading was 19.64 % for the alginate-coated MNPs and 21.85 % for the chitosan-coated MNPs. An in vitro drug release study unveiled the impact of pH and coating polymer on the release kinetics, with significantly different release rates observed between the two pH conditions. The results indicated that at pH 7.4, the percentage of drug released in 6 h was 97.89 % for the alginate-coated MNPs and 70.36 % for the chitosan-coated MNPs. Conversely, at pH 5.5, the drug release percentages were 48.6 % for the alginate-coated MNPs and 73.33 % for the chitosan-coated MNPs. Moreover, the antibacterial activity of the MNPs against gram-positive and gram-negative bacteria was investigated, demonstrating the enhanced antibacterial efficacy conferred by the alginate and chitosan coatings. This comprehensive analysis underscores the potential of biopolymer-coated MNPs as effective drug delivery systems with tailored release profiles and enhanced antibacterial properties.</div></div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":"339 ","pages":"Article 130702"},"PeriodicalIF":4.3,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143644124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}