Krishna Nama Manjunatha, Shashi Paul, Satyajit Sahu and Mona Zebarjadi
{"title":"Introduction to advances in emerging thermoelectric materials and devices","authors":"Krishna Nama Manjunatha, Shashi Paul, Satyajit Sahu and Mona Zebarjadi","doi":"10.1039/D5MA90026C","DOIUrl":"https://doi.org/10.1039/D5MA90026C","url":null,"abstract":"<p >A graphical abstract is available for this content</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2714-2717"},"PeriodicalIF":5.2,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma90026c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Matthew S. Chambers, Tianyu Li, Zhilin Liang, Jong Keum, Kevin H. Stone, Raphaële J. Clément, Beth L. Armstrong and Ethan C. Self
{"title":"Exploring a new synthesis route to lithium-excess disordered rock salt (DRX) cathode materials†","authors":"Matthew S. Chambers, Tianyu Li, Zhilin Liang, Jong Keum, Kevin H. Stone, Raphaële J. Clément, Beth L. Armstrong and Ethan C. Self","doi":"10.1039/D4MA01287A","DOIUrl":"https://doi.org/10.1039/D4MA01287A","url":null,"abstract":"<p >Lithium-excess disordered rock salt (DRX) materials are promising candidates for Co/Ni-free Li-ion cathodes due to their high specific energy (800+ W h kg<small><sup>−1</sup></small>) and compositional flexibility. DRX cathodes are typically synthesized using solid-state reactions, which are difficult to scale and provide little-to-no control over particle morphology. To address this bottleneck, the present study reports a two-step, solution-based reaction route to prepare Mn/Ti-based DRX oxyfluoride cathodes with nominal compositions of Li<small><sub>1.25</sub></small>Mn<small><sub>0.5</sub></small>Ti<small><sub>0.3</sub></small>O<small><sub>1.95</sub></small>F<small><sub>0.05</sub></small> and Li<small><sub>1.35</sub></small>Mn<small><sub>0.7</sub></small>Ti<small><sub>0.1</sub></small>O<small><sub>1.85</sub></small>F<small><sub>0.15</sub></small>. More specifically, a glycine–nitrate combustion reaction is used to produce a lithiated transition metal oxide, which is further reacted with LiF to produce high-purity DRX powders. Remarkably, this route yields 80–90% pure DRX after annealing for 1 h at 800–1000 °C, and <small><sup>19</sup></small>F solid-state nuclear magnetic resonance (ssNMR) spectra demonstrate that F<small><sup>−</sup></small> anions are successfully incorporated into the DRX structure. Cathodes prepared using this approach exhibit promising electrochemical performance, with Li<small><sub>1.35</sub></small>Mn<small><sub>0.7</sub></small>Ti<small><sub>0.1</sub></small>O<small><sub>1.85</sub></small>F<small><sub>0.15</sub></small> attaining reversible capacities ∼210 mA h g<small><sup>−1</sup></small> and moderate cycling stability in half cells (65% capacity retention over 150 cycles). Overall, these results demonstrate that utilizing novel metal oxide precursors presents a viable and largely unexplored method to produce high-performance Co/Ni-free DRX cathodes.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2990-3001"},"PeriodicalIF":5.2,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Samuel Emilsson, Gabriele Maffeis, Martina Cattaruzza and Mats Johansson
{"title":"Effect of monomer composition on the formation of hybrid polymer-liquid electrolytes for lithium-ion batteries†","authors":"Samuel Emilsson, Gabriele Maffeis, Martina Cattaruzza and Mats Johansson","doi":"10.1039/D5MA00125K","DOIUrl":"https://doi.org/10.1039/D5MA00125K","url":null,"abstract":"<p >The electrolyte plays a key role in the performance of novel lithium-ion battery concepts. Hybrid polymer-liquid electrolytes (HEs) are suitable candidates for novel concepts of lithium-ion batteries (LIBs) and lithium-metal batteries (LMBs), where high ionic conductivity coupled with mechanical integrity are required at the same time. HEs are produced through polymerization-induced phase separation (PIPS) of a monomer/electrolyte mixture which allows for the formation of a two-phase system where the domains create a bicontinuous structure. Electrochemical performance and thermomechanical behavior can be tailored through several variables <em>e.g.</em>, monomer and solvent chemistries, solvent concentration, and curing conditions. The present study is focused on the chemical structure of the monomer where methacrylate and acrylate monomers are compared as homopolymers or copolymers in HEs. The number of ethylene oxide (EO) units in the backbone of the monomers are furthermore analyzed as a structural parameter. The results show that the monomer structure not only affects the electrochemical and thermomechanical properties, but also defines the morphology of the HEs obtained, which can be in the form of a bicontinuous structure, a gel, or a mixture of the two, according to the kinetic and thermodynamic variables affecting the phase separation and the ultimate <em>T</em><small><sub>g</sub></small> of the polymer.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2967-2974"},"PeriodicalIF":5.2,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00125k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rafail O. Ioannidis, Zoe Terzopoulou, Alexandra Zamboulis, Nikolaos D. Bikiaris, Michiel Jan Noordam and Nikolaos Nikolaidis
{"title":"Novel biobased, flexible blocky copolyesters based on poly(lactic acid) and poly(ethylene azelate)†","authors":"Rafail O. Ioannidis, Zoe Terzopoulou, Alexandra Zamboulis, Nikolaos D. Bikiaris, Michiel Jan Noordam and Nikolaos Nikolaidis","doi":"10.1039/D5MA00014A","DOIUrl":"https://doi.org/10.1039/D5MA00014A","url":null,"abstract":"<p >The synthesis and characterization of a series of novel, high molecular weight poly(lactic acid)-<em>b</em>-poly(ethylene azelate) (PLA-<em>b</em>-PEAz) blocky copolyesters are reported for the first time. The copolyesters were synthesized by the ring-opening polymerization (ROP) of <small>L</small>-lactide, using oligo(ethylene azelate) as a macroinitiator. Four different comonomer mass ratios were used in the feed, namely 97.5-2.5, 95-5, 90-10, and 80-20, the minor comonomer being PEAz. Gel permeation chromatography (GPC) and intrinsic viscosity measurements [<em>η</em>] confirmed the high number average molecular weight <img> of the materials, ranging from 10 to 80 kg mol<small><sup>−1</sup></small>, while the chemical structure was studied <em>via</em> nuclear magnetic resonance (NMR) and Fourier transform infrared spectroscopy (FTIR). NMR analysis indicated the formation of block copolymers; however, confirming the presence of triblock structures proved challenging. Therefore, a system consisting of PLA-<em>b</em>-PEAz block copolyesters along with PLA segments was proposed and described as blocky copolyesters. According to differential scanning calorimetry (DSC), the melting temperatures of the copolymers exhibited only slight shifts toward lower values, whereas the glass transition and cold crystallization temperatures decreased significantly, indicating enhanced flexibility. Furthermore, isothermal crystallization experiments from the melt suggested that the crystallization ability of the PLA-based copolyesters was improved compared to PLA. The thermal stability of most copolyesters was enhanced. The mechanical performance was assessed <em>via</em> tensile and flexural measurements, revealing high elongation and Young's modulus values, indicating tough and strong materials. Moreover, during the three-point bending tests, none of the copolyesters fractured.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2975-2989"},"PeriodicalIF":5.2,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00014a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abdelhadi El Jaouhari, Jamal Bencaid, Anouar Belhboub, Mustapha Matrouf, Ikram Cheras, Jinhua Zhu, Bouchaib Manoun and Fouad Ghamouss
{"title":"Charge redistribution induced by well-dispersed cobalt oxide nanoparticles on Co3(PO4)2 surfaces enhances OER catalytic activity†","authors":"Abdelhadi El Jaouhari, Jamal Bencaid, Anouar Belhboub, Mustapha Matrouf, Ikram Cheras, Jinhua Zhu, Bouchaib Manoun and Fouad Ghamouss","doi":"10.1039/D5MA00276A","DOIUrl":"https://doi.org/10.1039/D5MA00276A","url":null,"abstract":"<p >Developing electrocatalysts for the oxygen evolution reaction (OER) with high efficiency and durability to simulate industrial application conditions is essential for addressing environmental issues and the energy crisis. Decorating or anchoring nanoparticles onto catalyst surfaces shows promise in improving catalytic performance. However, the intrinsic mechanism behind this approach is not yet fully understood. Herein, varying amounts of cobalt oxide nanoparticles (1, 2.5, 5, 10 and 20% mass ratios) were <em>in situ</em> synthesized on the surface of amorphous cobalt orthophosphate (Co<small><sub>3</sub></small>(PO<small><sub>4</sub></small>)<small><sub>2</sub></small>) to deeply investigate the behavior of the decorated catalysts. Interestingly, the results indicate that the cobalt orthophosphate decorated with a low amount of cobalt oxide nanoparticles (Co<small><sub>3</sub></small>(PO<small><sub>4</sub></small>)<small><sub>2</sub></small>@1%Co<small><sub>3</sub></small>O<small><sub>4</sub></small>) exhibits the highest catalytic activity (low overpotential of 313.01 mV at 20 mA cm<small><sup>−2</sup></small> and high stability for 100 hours) compared to samples with higher amounts of these nanoparticles. The electrochemical results reflect that the well-distributed low concentration of Co<small><sub>3</sub></small>O<small><sub>4</sub></small> induced an inductive effect on the surface of Co<small><sub>3</sub></small>(PO<small><sub>4</sub></small>)<small><sub>2</sub></small> leading to the redistribution of electron configuration on the surface. These findings can be confirmed by DFT calculations, which reveal a stronger electronic coupling between neighboring cobalt oxide nanoparticles. This stronger interaction minimizes their interaction with cobalt orthophosphate resulting in a decrease in catalytic activity.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2956-2966"},"PeriodicalIF":5.2,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00276a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Empowering agriculture: rapid on-site soil nutrient detection with microfluidic colorimetry","authors":"Piyush Mishra, Priyanshi Gupta, Sadhak Khanna, Bhupendra Pratap Singh, Pallavi Mishra, Swapnil Srivastava, Sapna Yadav, Sneha Kadian, Shug-June Hwang and Ved Varun Agrawal","doi":"10.1039/D4MA00971A","DOIUrl":"https://doi.org/10.1039/D4MA00971A","url":null,"abstract":"<p >This study introduces a novel methodology for the microfluidic colorimetric detection of soil analytes, offering enhanced efficiency for assessing plant growth parameters. Microfluidic channels (μPADs) were fabricated on paper substrates using a customized XY-Plotter equipped with a technical drawing pen containing an optimized polydimethylsiloxane (PDMS)-hexane solution, imparting hydrophobic properties to the substrate. The developed μPADs enabled visual detection of zinc concentrations ranging from 1 mg dL<small><sup>−1</sup></small> to 45 mg dL<small><sup>−1</sup></small> and orthophosphate concentrations from 0.5 g dL<small><sup>−1</sup></small> to 8 g dL<small><sup>−1</sup></small> in artificial soil (Hoagland's solution) through the formation of distinct colorimetric complexes. The calculated limits of detection (LOD) for zinc and orthophosphate were 0.0107 g dL<small><sup>−1</sup></small> and 1.24 g dL<small><sup>−1</sup></small>, while the limits of quantification (LOQ) were determined as 0.035 g dL<small><sup>−1</sup></small> and 4.1 g dL<small><sup>−1</sup></small>, respectively. The approach demonstrated high selectivity and sensitivity, providing rapid and reliable insights into the soil's nutrient profile. Compared to conventional methods, this innovative sensing platform is faster, cost-effective, and well-suited for on-site analysis of soil micro- and macronutrients. This advancement holds significant potential for agricultural practitioners, enabling informed decision-making to optimize soil fertility and support sustainable agricultural practices.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2942-2955"},"PeriodicalIF":5.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d4ma00971a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Negin Hashemi, Shabnam Naderlou, Ali Mohammadi and Hossein Danafar
{"title":"An integrated computational and experimental study of BSA-coated MnFe2O4 nanoparticles as a drug delivery platform for quercetin","authors":"Negin Hashemi, Shabnam Naderlou, Ali Mohammadi and Hossein Danafar","doi":"10.1039/D5MA00161G","DOIUrl":"https://doi.org/10.1039/D5MA00161G","url":null,"abstract":"<p >Quercetin, a bioactive flavonoid with limited bioavailability, was investigated using BSA-coated MnFe<small><sub>2</sub></small>O<small><sub>4</sub></small> nanoparticles as a novel delivery system. An integrated computational and experimental approach was employed, combining DFT calculations and molecular docking simulations to analyze quercetin's interactions with the MnFe<small><sub>2</sub></small>O<small><sub>4</sub></small> surface across (011), (101), and (100) facets, alongside <em>in vitro</em> studies to assess drug loading and release, biocompatibility, and cytotoxicity on 4T1 cells. Molecular docking showed favorable binding energies between quercetin and BSA (−5.17 kcal mol<small><sup>−1</sup></small> with Subdomain IIA), demonstrating that quercetin, even when bound to the BSA coating, retained strong interactions with the oxide surface. Reduced density gradient (RDG) analysis revealed facet-dependent adsorption mechanisms, correlating binding affinity towards Mn (through oxygen-containing functional groups) with steric interactions shown as red areas on the RDG plot. Analysis unveiled the interactions and structural features of each facet of the drug complex. Experimentally, the TEM imaging revealed the nanoparticles to possess a spherical morphology with an average diameter of around 7 nanometers and the average size of nanoparticles by DLS is 85.27 ± 0.26 nm with a PDI of 0.25. The BSA coating improved drug loading to 27.5% and resulted in a dose-dependent cytotoxic effect on 4T1 tumor cells. Specifically, a release of 62% of the loaded quercetin was observed at pH 5.7 after 120 hours, compared to only 41% at pH 7.4. The <em>in vitro</em> assessment also demonstrated high biocompatibility, with less than 5% hemolysis observed at concentrations up to 200 μg mL<small><sup>−1</sup></small>. <em>In vivo</em> studies show no mouse death in the test of LD<small><sub>50</sub></small>. Overall, these findings support the potential of BSA-coated MnFe<small><sub>2</sub></small>O<small><sub>4</sub></small> nanoparticles as a promising drug delivery platform to enhance quercetin's stability and bioavailability for effective tumor growth inhibition.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2925-2941"},"PeriodicalIF":5.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00161g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fan Feng, Dariusz Mitoraj, Ruihao Gong, Dandan Gao, Mohamed M. Elnagar, Rongji Liu, Radim Beranek and Carsten Streb
{"title":"Correction: High-performance BiVO4 photoanodes: elucidating the combined effects of Mo-doping and modification with cobalt polyoxometalate","authors":"Fan Feng, Dariusz Mitoraj, Ruihao Gong, Dandan Gao, Mohamed M. Elnagar, Rongji Liu, Radim Beranek and Carsten Streb","doi":"10.1039/D5MA90022K","DOIUrl":"https://doi.org/10.1039/D5MA90022K","url":null,"abstract":"<p >Correction for ‘High-performance BiVO<small><sub>4</sub></small> photoanodes: elucidating the combined effects of Mo-doping and modification with cobalt polyoxometalate’ by Fan Feng <em>et al.</em>, <em>Mater. Adv.</em>, 2024, <strong>5</strong>, 4932–4944, https://doi.org/10.1039/D4MA00089G.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 8","pages":" 2701-2701"},"PeriodicalIF":5.2,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma90022k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143830650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Basma A. Omran, M. O. Abdel-Salam, Hebatullah H. Farghal, Mayyada M. H. El-Sayed and Kwang-Hyun Baek
{"title":"Synthesis of TiO2–CuO@graphene oxide hybrid bionanocomposite with enhanced antibacterial and organic dye degradation activities†","authors":"Basma A. Omran, M. O. Abdel-Salam, Hebatullah H. Farghal, Mayyada M. H. El-Sayed and Kwang-Hyun Baek","doi":"10.1039/D5MA00031A","DOIUrl":"https://doi.org/10.1039/D5MA00031A","url":null,"abstract":"<p >The cumulative spread of infectious diseases and water pollution necessitates the development of innovative green materials. To address this challenge, titanium oxide (TiO<small><sub>2</sub></small>) and copper oxide (CuO) nanoparticles (NPs) were mycofabricated using <em>Trichoderma virens</em> filtrate, which was grafted with graphene oxide (GO) nanosheets prepared <em>via</em> the modified Tour's method, resulting in a TiO<small><sub>2</sub></small>–CuO@GO bionanocomposite. XRD revealed peaks corresponding to hexagonal carbon, rutile tetragonal TiO<small><sub>2</sub></small>, and tenorite monoclinic CuO in the TiO<small><sub>2</sub></small>–CuO@GO, having average crystallite sizes of 10.65 and 25.73 nm for GO and TiO<small><sub>2</sub></small>–CuO@GO, respectively. FTIR revealed distinct absorption bands corresponding to oxygen-containing functional groups such as –OH, C<img>O, C<img>C, and C–OH. EDX spectra confirmed homogenous elemental distributions of Ti 2p, Cu 2p, O 1s, and C 1s in the bionanocomposite. The zeta potential values and hydrodynamic sizes were −36.8 mV and 291.1 nm for GO and +25.6 mV and 603.2 nm for TiO<small><sub>2</sub></small>–CuO@GO, respectively. FE-SEM and HRTEM revealed that GO displayed a transparent, flaky structure with few wrinkles, whereas TiO<small><sub>2</sub></small>–CuO@GO displayed opaque, rounded TiO<small><sub>2</sub></small> NPs and elongated, rod-shaped CuO NPs loaded onto GO. The bionanocomposite exhibited potent antibacterial activity against various foodborne and phytobacterial pathogens. TiO<small><sub>2</sub></small>–CuO@GO was evaluated as a nanocatalyst for the degradation of Congo red at initial concentrations ranging from 10 to 50 mg L<small><sup>−1</sup></small>. Upon activation with peroxymonosulfate, the material demonstrated a degradation efficiency of 70% within 28 min. Enhanced dye removal under saline conditions indicated the improved efficiency of the nanocatalyst. This study highlights the multidisciplinary potential of TiO<small><sub>2</sub></small>–CuO@GO for applications in food packaging, agriculture, and wastewater treatment.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 8","pages":" 2654-2676"},"PeriodicalIF":5.2,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00031a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143830647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"DFO-modified polydopamine sulfonated PEEK enhances osseointegration through macrophage immunomodulation and osteogenic differentiation of BMSCs†","authors":"Shengjie Wang, Wei Liu, Chao Yang, Xianlong Zhang and Chunming Lyu","doi":"10.1039/D4MA01179A","DOIUrl":"https://doi.org/10.1039/D4MA01179A","url":null,"abstract":"<p >This study aimed to develop a novel artificial joint prosthesis material with osteogenic properties. Deferoxamine mesylate (DFO) was immobilized on the porous surface of sulfonated polyetheretherketone (SPEEK) using polydopamine (PDA), resulting in a novel material designated as DFO-PDA@SPEEK (DFO-PS). DFO-PS induced macrophage M2 phenotype polarization, reduced inflammatory factor expression, promoted osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs), and enhanced implant osseointegration and osteogenic capacity. <em>In vitro</em> evaluation demonstrated that DFO-PS significantly modulated immune and inflammatory responses, promoted angiogenesis, and enhanced osteogenic differentiation. In the rat model with femoral bone defects, in comparison to the control group, the DFO-PS group exhibited a 1.22-fold increase in trabecular thickness and a 1.51-fold enhancement in maximum pull-out force. This work demonstrates that DFO-PS is a promising material for constructing multifunctional implants with biomineralization and immunomodulation properties for bone joint replacement.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 9","pages":" 2781-2793"},"PeriodicalIF":5.2,"publicationDate":"2025-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d4ma01179a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143908466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}