Polymer Bulletin最新文献

{"title":"Effective role of d-sorbitol in enhancing the oxidation stability and crosslink density of tea polyphenol-stabilized ultra-high molecular weight polyethylene","authors":"Nouman Ali Shah,&nbsp;Namra Shakir,&nbsp;Rizwan M. Gul,&nbsp;Jia-Zhuang Xu,&nbsp;Zhong-Ming Li","doi":"10.1007/s00289-025-05911-3","DOIUrl":"10.1007/s00289-025-05911-3","url":null,"abstract":"<div><p>Ultra-high molecular weight polyethylene (UHMWPE) is a versatile polymer with various industrial applications, particularly in orthopedic implants and structural materials. However, its susceptibility to oxidation limits its utility in demanding environments. This study investigates the potential of <i>d</i>-sorbitol (DS), a natural polyol, in enhancing the oxidation stability and crosslink density of UHMWPE when stabilized with tea polyphenols. Tea polyphenols, such as epigallocatechin gallate (EGCG), have been previously evaluated as a promising candidate to stabilize UHMWPE against oxidation without affecting its crosslink density. However, the higher content of EGCG has adverse effect on its mechanical properties. It is hypothesized that addition of DS to EGCG can improve the oxidation and crosslink density of UHMWPE blends. For this purpose, EGCG/DS was blended with UHMWPE at low antioxidant concentrations (≤ 1 wt%), and its comprehensive performance was evaluated. Results demonstrate that the incorporation of <i>d</i>-sorbitol effectively retards oxidation-induced degradation in tea polyphenol-stabilized UHMWPE. The presence of <i>d</i>-sorbitol enhances the crosslink density within the polymer matrix, thereby improving its resistance to oxidative stress. Furthermore, the study elucidates the underlying mechanisms through which DS interacts with EGCG and UHMWPE, elucidating the formation of stable complexes that mitigate oxidative damage. The in vitro biocompatibility of the blends was also very promising for use in artificial joints.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9929 - 9946"},"PeriodicalIF":4.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Theoretical investigation of alkyl, alkoxy, and alkoxysilyl group effects on charge carrier mobilities in perylene diimide","authors":"Blaise Danwé Adjéoua Déma,&nbsp;Marius Ousmanou Bouba,&nbsp;Fridolin Tchangnwa Nya,&nbsp;Alhadji Malloum,&nbsp;Jeanet Conradie","doi":"10.1007/s00289-025-05877-2","DOIUrl":"10.1007/s00289-025-05877-2","url":null,"abstract":"<div><p>This study explores the charge transport properties and ambient stability of perylene diimides (PDIs) modified with alkyl, alkoxy, and alkoxysilyl side chains. We employed the DFT-D3 method with the theoretical level B3LYP-D3/6-31+G(d,p), as well as the Marcus model, to conduct this analysis. The results highlight an excellent ambient stability and ambipolar behaviors. We observed n-type behavior, with electron mobilities reaching 0.177 cm² V⁻¹ s⁻¹, as well as p-type behavior, with hole mobilities up to 2.970 cm² V⁻¹ s⁻¹. These results suggest a promising potential for modified PDIs in advanced electronic applications.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9977 - 10001"},"PeriodicalIF":4.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oxo-biodegradable polypropylene transition metal-free: evaluation of abiotic degradation by natural weathering and biotic degradation by respirometry","authors":"João Augusto Osório Brandão,&nbsp;Francisco Gehlen,&nbsp;Fernando dal Pont Morisso,&nbsp;Edson Luiz Francisquetti,&nbsp;Ruth Marlene Campomanes Santana","doi":"10.1007/s00289-025-05893-2","DOIUrl":"10.1007/s00289-025-05893-2","url":null,"abstract":"<div><p>Pro-oxidant additives promote thermal oxidation and photooxidation of polymers, producing oxygenated molecular fragments that can be assimilated by microorganisms. In this work, two different concentrations of benzoin were used to obtain oxo-biodegradable PP. The samples, in the form of flat films, were exposed to natural weathering for 20 days in the city of Porto Alegre, during the Brazilian summer. Subsequently, biodegradation was assessed using soil respirometry. The abiotic degradation process was assessed using different PP characterization techniques: dilute solution viscometry, FTIR, contact angle, TGA, DSC and SEM. After exposure to natural aging, the samples processed with the additive showed a greater reduction in molar mass, accompanied by a considerable increase in carbonyl-containing functional groups, which led to a reduction in contact angle values when compared to pure PP. In addition, oxo-biodegradable PP containing 0.5 and 1.5% (w/w) of the additive showed a significant loss of thermal stability, as well as a reduction in melting point, indicating greater degradation of these samples. These changes caused the films to weaken, as evidenced by the appearance of flaking and erosion in the micrographs. The process of biotic degradation was assessed by quantifying the _CO2 produced by aerobic respiration in the respirometers. The biodegradation process of oxo-biodegradable PP began more slowly than that of cellulose. However, after 120 days of cultivation, it was possible to observe that PP containing 1.5% (w/w) benzoin showed mineralization of approximately 16%. Benzoin proved to be an effective pro-oxidant additive, favoring the abiotic and biotic degradation of PP.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9907 - 9928"},"PeriodicalIF":4.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rheological optimization of hybrid alginate–xanthan gum hydrogels for enhanced 3D bioprinting fidelity","authors":"Lizardo K. Torres-Ayala,&nbsp;Javier Nakamatsu,&nbsp;Suyeon Kim","doi":"10.1007/s00289-025-05923-z","DOIUrl":"10.1007/s00289-025-05923-z","url":null,"abstract":"<div><p>This study presents a systematic and reproducible methodology for the development and evaluation of hybrid hydrogels tailored for extrusion-based 3D bioprinting. To demonstrate the applicability of this approach, alginate and xanthan gum were selected as model materials, two of the most widely reported polymers in the biofabrication literature. Rather than relying on empirical trial and error, the methodology integrates material screening, rheological and chemorheological analyses, predictive modeling, and experimental validation to address key challenges in reproducibility, print fidelity, and structural stability. The AL<span>(_4)</span>XA<span>(_4)</span> formulation emerged as a robust candidate, exhibiting shear-thinning behavior, rapid thixotropic recovery, and adequate mechanical strength to maintain filament integrity during extrusion. Power-law-based modeling enabled the rational adjustment of extrusion pressures and nozzle configurations, leading to consistent deposition with minimal defects. Although no living cells or biological additives were used, bioprinting protocols were applied to assess printability and structural performance. The material formed self-supporting filaments with unsupported spans up to 6 mm. Chemorheological testing confirmed the reinforcing effect of ionic cross-linking (1.5–3% CaCl<span>(_2)</span>) in enhancing construct stability. This framework offers a transferable strategy for standardized bioink development and structural benchmarking, paving the way for reproducible biofabrication in tissue engineering and related biomedical applications.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9947 - 9976"},"PeriodicalIF":4.0,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00289-025-05923-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Self-polymerization of dopamine-coated zinc oxide as a potential antibacterial nanoparticle with molecular docking analysis","authors":"Yasin Albarqouni,&nbsp;Miah Roney,&nbsp;Kwok Feng Chong,&nbsp;Mohammad R. Thalji,&nbsp;Gholamhassan Najafi,&nbsp;Arman Abdullah","doi":"10.1007/s00289-025-05874-5","DOIUrl":"10.1007/s00289-025-05874-5","url":null,"abstract":"<div><p>The escalating prevalence of multidrug-resistant bacteria on medical surfaces necessitates the development of innovative antibacterial strategies. In this study, we report synthesizing and evaluating zinc oxide nanoparticles functionalized with polydopamine (ZnO/PDA) as a potent antibacterial agent, exhibiting notable efficacy at a low concentration of 5 mg/mL. Structural and morphological analyses confirm the successful surface decoration of ZnO with PDA, yielding a distinctive popcorn-like architecture that facilitates bacterial growth inhibition. Antibacterial assays conducted against <i>Bacillus cereus</i> (Gram-positive) and <i>Escherichia coli</i> (Gram-negative) demonstrate superior activity against both strains, outperforming previously reported ZnO-based systems. Hemocompatibility assessments reveal excellent blood compatibility, with a hemolysis rate of only 1.13%, underscoring the nanocomposite’s potential for biomedical applications. To probe molecular interactions, in silico docking studies are performed targeting key virulence proteins: Q81BN2_BACCR from <i>B. cereus</i> and DHOase from <i>E. coli</i>. The ZnO/PDA nanocomposite exhibits strong binding affinities, with docking energies of − 10.3 kcal/mol and − 8.4 kcal/mol, respectively, surpassing those of clindamycin, a clinically used antibiotic. The antibacterial activity of ZnO/PDA is likely mediated through multiple mechanisms, including; direct physical disruption of the bacterial membrane by its nanostructure and molecular level interference via protein binding and generation of reactive oxygen species (ROS) by ZnO may further contribute to microbial inactivation. While this study primarily evaluates antibacterial efficacy, integrating biocompatibility, structural robustness, and scalable synthesis highlights the promise of ZnO/PDA nanocomposite for next-generation antimicrobial coatings. Future prioritizes comprehensive cytotoxicity assessments and mechanistic studies to advance clinical translation.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9839 - 9862"},"PeriodicalIF":4.0,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00289-025-05874-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and self-assembly of a novel block copolymer poly(N-vinylcaprolactam)-b-poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PNVCL-b-PHBHV) by the combination of RAFT/MADIX and click chemistry techniques","authors":"Rodolfo Minto de Moraes,&nbsp;Layde Teixeira de Carvalho,&nbsp;Gizelda Maria Alves,&nbsp;Simone de Fátima Medeiros,&nbsp;Amilton Martins dos Santos","doi":"10.1007/s00289-025-05924-y","DOIUrl":"10.1007/s00289-025-05924-y","url":null,"abstract":"<div><p>Amphiphilic copolymers have attracted considerable attention in the field of drug delivery systems (DDS) due to their ability to self-assemble into micelles in aqueous media. In this study, we report the synthesis of a novel amphiphilic, well-defined block copolymer, poly(<i>N</i>-vinylcaprolactam)-<i>b</i>-poly(3-hydroxybutyrate-<i>co</i>-3-hydroxyvalerate) (PNVCL-<i>b</i>-PHBHV), via a combined approach using reversible addition–fragmentation chain transfer–macromolecular design via interchange of xanthates (RAFT/MADIX) polymerization and click chemistry reaction. Initially, azide-terminated PNVCL homopolymer (PNVCL-N₃) was synthesized through RAFT/MADIX polymerization of the <i>N</i>-vinylcaprolactam (NVCL) monomer, mediated by a chain transfer agent (CTA) bearing an azide group. Concurrently, the alkyne-terminated PHBHV (alkyne-PHBHV) was prepared by the transesterification reaction between PHBHV and propargyl alcohol. Subsequently, the 1,3-dipolar cycloaddition reaction between azide and alkyne (Copper(I)-catalyzed Azide–Alkyne Cycloaddition—CuAAC) was used to obtain the block copolymer PNVCL-<i>b</i>-PHBHV. The influence of PHBHV chain lengths on micelle formation capacity was evaluated. The chemical structures of all (co)polymers were assessed by Fourier-Transform Infrared spectroscopy (FTIR) and Proton Nuclear Magnetic Resonance spectroscopy (¹H NMR), while their molar masses were determined by Size Exclusion Chromatography (SEC). Differential Scanning Calorimetry (DSC) measurements showed that the PNVCL-<i>b</i>-PHBHV has lower degree of crystallinity compared to PHBHV. Additionally, it was observed that the critical micelle concentration (cmc) of the block copolymers in aqueous solution decreased as the length of the hydrophobic block increased, whereas the size of the polymeric micelles grew with a higher proportion of hydrophobic segments.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9863 - 9890"},"PeriodicalIF":4.0,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The synthesis of well-defined and constant composition terpolymer containing multi-alternating modules via LAP","authors":"Qiqi Dai,&nbsp;Yao Long,&nbsp;Xupeng Han,&nbsp;Kun Liu,&nbsp;Yang Yang,&nbsp;Yawen Fu,&nbsp;Yanyan Zhang,&nbsp;Yi Yang,&nbsp;Bingbing Zhang,&nbsp;Wenjun Yi,&nbsp;Zan Yang,&nbsp;Lijun Li","doi":"10.1007/s00289-025-05914-0","DOIUrl":"10.1007/s00289-025-05914-0","url":null,"abstract":"<div><p>The combination of “DPE-alternating chemistry” and “Pentadiene-alternating strategy” offers a novel LAP routine to afford well-defined and sequence-controlled copolymers with diversified alternating series modules. By adjusting the feed ratio of comonomers (1,1-diphenylethylene = D, 1,3-pentadiene = P, and styrene derivatives = S), the polymer composition can be controlled to prepare a series of sequence-controlled terpolymers with constant composition, ternary random sequence, and gradient alternating block structure. “One-pot” terpolymerization kinetic analysis indicated that the polymer yields and polymerization rates were strongly dependent on the feed composition and the type of the “alternating sequence.” Additionally, the instantaneous monomer composition containing a predominant alternating structure rather than a homopolymerization sequence was tracked by ¹H NMR analysis. The real-time ¹H NMR spectrum monitoring the characteristic peak change of [D]/[P]/[S] (<i>i.e.,</i> [aromatic ring]/[C = C]/[alkyl-CH₃]) monomer units indicated the distinctive copolymerization behavior of the selected “alternating-modules” including [D/P], [D/S], and [S/P] repeating units. In addition, the thermal property of the resulting terpolymer was investigated by DSC analysis. The glass transition temperature (<i>T</i>_g) was very sensitive to the polymer composition, and most terpolymers had only one <i>T</i>_g. In contrast with poly([D/P]-<i>ran</i>-[S/P]) with high randomness distribution and strictly alternating modules, which had the lowest <i>T</i>_g, there were relatively higher <i>T</i>_gs in the DPE-rich and S-rich terpolymers. Moreover, poly([D/P]-<i>co</i>-[D/S]) copolymerization can be viewed as the random copolymerization of the standard [D/P] module and the default [D/S] module; therefore, the abundant residual D monomer was observed due to the unavoidable S homopolymerization. Meanwhile, poly([S/P]-<i>gradient</i>-[D/S]) with a special gradient block-alternating sequence can be obtained in an S-rich case due to the huge reactivity ratios of the two modules (<i>r</i>_[S/P] &gt; &gt; <i>r</i>_[D/S]). Finally, the “bond-forming initiation” theory was proposed to interpret the unique terpolymerization behavior.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9891 - 9905"},"PeriodicalIF":4.0,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antibacterial activity of Ag nanoparticles embedded tragacanth gum-based composite hydrogel synthesized with acrylamide and 2-acrylamido-2-methylpropanesulfonic acid","authors":"Anuradha C. Hugar,&nbsp;Manjunath S.Hanagadakar,&nbsp;Jagadish N. Hiremath,&nbsp;Anjanapura V. Raghu","doi":"10.1007/s00289-025-05895-0","DOIUrl":"10.1007/s00289-025-05895-0","url":null,"abstract":"<div><p>Ag nanoparticles (AgNPs) were successfully embedded into a tragacanth gum-based composite hydrogel, synthesized via free radical polymerization using acrylamide and 2-acrylamido-2-methylpropanesulfonic acid (AMPS). The resulting hydrogel exhibited enhanced thermal stability, as confirmed by thermogravimetric analysis, and a semi-crystalline structure observed in X-ray Diffraction analysis. Scanning electron microscope images revealed a uniform dispersion of AgNPs within the hydrogel matrix. Swelling studies revealed a maximum swelling ratio of 650% at pH 9.0 for the AgNPs-anchored hydrogel, significantly higher than the AgNP-free hydrogel. Elemental analysis indicated an Ag content of 7.2% by weight. Antibacterial assays demonstrated strong activity against both <i>Escherichia coli</i> and <i>Staphylococcus aureus</i>, with minimum inhibitory concentration values of 2500 µg/mL and 19.53 µg/mL, respectively. These results highlight the potential of the developed mTG-g-p(Am-co-AMPS)-Ag nanocomposite hydrogel as an effective antibacterial material for biomedical and environmental applications.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9821 - 9838"},"PeriodicalIF":4.0,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization study on mechanical, flammability and wear behavior of 3D-printed PLA composites reinforced with surface treated citrus maxima fruit peel biocarbon","authors":"T. Michel Raj,&nbsp;G. Mahendran,&nbsp;Dhrubajit Sarma,&nbsp;M. Sivaperumal","doi":"10.1007/s00289-025-05912-2","DOIUrl":"10.1007/s00289-025-05912-2","url":null,"abstract":"<div><p>This research investigates the development of strengthened 3D-printed composite materials using flexible PLA reinforced with biomass-extracted, silane-treated biocarbon via fused deposition modeling (FDM). Composite filaments were fabricated and tested according to ASTM standards. Results show that a 1 vol.% biocarbon-reinforced PLA composite exhibited enhanced mechanical properties, including a tensile strength of 32 MPa, flexural strength of 69 MPa, impact strength of 2.8 J, and Shore D hardness of 64. Notably, composite B (0.5 vol.% silane-treated biocarbon at 50% infill) demonstrated a 23%, 25%, and 28% improvement in tensile, flexural, and impact strengths, respectively, over neat PLA. The uniform dispersion achieved through silane treatment contributed to improved wear resistance and flame retardancy. While composite C (1 vol.% biocarbon) maintained high tensile and flexural properties, composite D (2 vol.%) showed a decline in strength but enhanced impact resistance, hardness, wear resistance, and flame retardancy. These findings suggest that PLA-biocarbon composites have strong potential for use in lightweight, corrosion-resistant, and high-performance components across manufacturing, domestic, sports, and renewable energy applications.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9805 - 9819"},"PeriodicalIF":4.0,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modification of chitosan nanoparticle by a new oxime compound: synthesis, characterization, and antioxidant activities","authors":"Atefeh Sabzevari,&nbsp;Ali Kakanejadifard","doi":"10.1007/s00289-025-05907-z","DOIUrl":"10.1007/s00289-025-05907-z","url":null,"abstract":"<div><p>As an antioxidant biopolymer, chitosan nanoparticles can be conjugated with other antioxidant agents to increase the potential applications of the resulting materials in a variety of sectors, including food, packaging, cosmetics, and other industries. In this research, terephthaldialdehyde was used to quickly create a novel oxime. The oxime was then connected to chitosan nanoparticles (CSNP) to acquire established biological characteristics. FTIR, ¹H and ¹³C NMR all demonstrated the oxime’s production. The Schiff base of oxime on chitosan nanoparticles (CSNP-OX) was detected by FTIR, UV-Vis, DLS, FE-SEM-EDX, and TEM. The antioxidant activities of the CSNP and CSNP-OX were also analyzed; DPPH radical scavenging of CSNP-OX was higher than CSNP. These findings suggest that the CSNP-OX is a viable option for utilization in pharmaceuticals and food items for innovative uses.</p></div>","PeriodicalId":737,"journal":{"name":"Polymer Bulletin","volume":"82 15","pages":"9787 - 9803"},"PeriodicalIF":4.0,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145248345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}