Nano-Structures & Nano-Objects最新文献

{"title":"Honey-mediated green synthesis and systematic optimization of Ni(OH)₂ nanoparticles with oligochitosan surface modification: Structural characterization, enhanced stability, and antibacterial biocompatibility","authors":"Saidun Fiddaroini ,&nbsp;Berlian Zetta Batari ,&nbsp;Budi Mulyati ,&nbsp;Ahmad Luthfi Fahmi ,&nbsp;Yosep Yuswanto Tri Ananda ,&nbsp;Andini ,&nbsp;Moh. Farid Rahman ,&nbsp;Akhmad Sabarudin","doi":"10.1016/j.nanoso.2025.101606","DOIUrl":"10.1016/j.nanoso.2025.101606","url":null,"abstract":"<div><div>The alarming rise of antimicrobial resistance (AMR) has prompted the search for alternative strategies beyond conventional antibiotics. Nickel hydroxide nanoparticles (Ni(OH)₂ NPs) are promising antimicrobial agents, yet their practical application is hindered by colloidal instability and potential cytotoxicity. Herein, we report a green and optimized synthesis of Ni(OH)₂ nanoparticles using cottonwood (<em>Ceiba pentandra</em>) honey as a natural bioreductor, followed by surface modification with oligochitosan to enhance stability and biocompatibility. The synthesis parameters were systematically optimized by varying pH, honey concentration, precursor concentration, and reaction time. The optimal conditions (pH 10, 5 % honey, 0.05 M precursor, and 30 min) were selected based on yielded Ni(OH)₂ nanoparticles with the highest UV–Vis absorbance intensity, the strongest Ni–OH fingerprint bands in FTIR, and the most uniform particle morphology. Morphological analyses confirmed the formation of quasi-spherical nanoparticles with the particle size is ∼56 nm. Surface modification with oligochitosan markedly increased the zeta potential (+60.99 mV) and hydrodynamic size, indicating strong electrosteric stabilization. Antibacterial evaluation revealed a substantial enhancement in activity after oligochitosan coating, with minimum inhibitory concentrations (MICs) reduced by 3.62-fold against <em>Staphylococcus aureus</em> and 4.25-fold against <em>Pseudomonas aeruginosa</em> compared to uncoated Ni(OH)₂ nanoparticles. Toxicity evaluation via brine shrimp lethality test indicated improved biocompatibility of the coated nanocomposites. Collectively, this study establishes a sustainable and effective strategy for producing stable, bioactive Ni(OH)₂–oligochitosan nanocomposites with strong potential as next-generation antibacterial materials.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101606"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145836961","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}

{"title":"SERS sensing of the biomolecule of Palbociclib (PCB) adsorbed on Au3 cluster: DFT, reactivity, docking and MD simulations","authors":"Jamelah S. Al-Otaibi ,&nbsp;Y. Sheena Mary ,&nbsp;A. Saral ,&nbsp;M. Cristina Gamberini","doi":"10.1016/j.nanoso.2025.101597","DOIUrl":"10.1016/j.nanoso.2025.101597","url":null,"abstract":"<div><div>Understanding how anticancer drugs interact with metallic nanoclusters is essential for developing next-generation sensing and delivery platforms. In this study, we investigate the adsorption behavior, spectroscopic response, reactivity, and biological binding characteristics of Palbociclib (PCB) on a gold triatomic cluster (Au₃) using an integrated computational framework. Density functional theory (DFT) calculations reveal strong and site-selective adsorption of PCB on Au₃ accompanied by pronounced charge transfer and significant modulation of the molecule’s electronic structure including reduced HOMO-LUMO gaps, enhanced polarizability, and improved nonlinear optical (NLO) characteristics. Vibrational and SERS analyses show characteristic red shifts and intensity enhancements, confirming stable coordination through key nitrogen and oxygen bearing functional groups. Solvent-phase calculations further demonstrate that PCB-Au₃ complexes gain substantial stabilization in aqueous media, reinforcing their potential in biological environments. Molecular docking and 100 ns molecular dynamics simulations with the 5GS4 protein indicate that both free PCB and PCB-Au₃ form thermodynamically favorable and dynamically stable complexes, with PCB-Au₃ exhibiting enhanced interaction diversity through hydrophobic, hydrogen-bonding, and Au-induced electronic effects. MM-GBSA analysis supports these findings, revealing competitive binding energies for both ligands. Collectively, these results highlight Au₃ nanoclusters as promising nanoscale scaffolds for SERS-based detection and controlled delivery of PCB, providing valuable insights for cancer diagnostic and theranostic applications.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101597"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145749792","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}

{"title":"Innovative approach to purifying petroleum refinery wastewater: The role of photocatalytic functionalized MWCNTs","authors":"Ahmed A. Hadi ,&nbsp;Rawaa A. Faris ,&nbsp;Khudhair A.K. Al‑Rudaini ,&nbsp;Zainab F. Mahdi","doi":"10.1016/j.nanoso.2025.101586","DOIUrl":"10.1016/j.nanoso.2025.101586","url":null,"abstract":"<div><div>The treatment of wastewater generated by oil refineries employing photocatalysis offers a new, environmentally friendly approach. Carbon nanotubes that are multiwall and functionalized (f-MWCNTs) provide a catalyst for this method and utilize sunlight as the energy source. Material and Methods: f-MWCNTs were synthesized from stock solutions of wastewater from Samawah refinery, using ultrasonic-assisted oxidation. To examine the success of the method, we employed FTIR, XRD, FESEM and zeta potential measurements to show that chemical reactivity and absorption capacity increased with f-MWCNTs. These methods revealed that upscale manufacturing will meet any increase in demand for larger supplies. Why Do It: The resulting course of this research was to answer this question. We found that we could use Ordinary Sunlight or sunlight accompanied with a DPSS (diode pumped solid state) laser (532 nm, 120 mW/mm2) as energy source for treatment by f-MWCNTs. Results: The degradation kinetics of refinery wastewater under photocatalysis showed a good fit with pseudo-second-order model, verifying an important connection between the adsorption of pollutants and available active sites on f-MWCNTs. Data indicate that under sunlight, the rate constant (K) was 0.0025 g· mg^-1 · min^-1 and maximum adsorption capacity 55.55 mg/g. Even though its adsorption capacity was smaller (30.30 mg/g), the DPSS laser's irradiation produced a higher rate constant (K=0.0115 g·mg^). Under the conditions of the DPSS laser, we were told that degradation rates peak 71.5 % and 80.91 % under sunlight they%E2 %€%99re reported.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101586"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145693459","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}

{"title":"Numerical modeling and simulation of nanofluid performance in a 3-D stretching sheet","authors":"M. Gnaneswara Reddy","doi":"10.1016/j.nanoso.2026.101613","DOIUrl":"10.1016/j.nanoso.2026.101613","url":null,"abstract":"<div><div>Examining the significance of magnetic dipole effects with heat source/sink, when a spinning hybrid nanofluid is present across a three-dimensional stretching surface is the aim of the current work. Also, the non- linear thermal radiation with conjugative heat flux is incorporated. Boundary is made stronger using velocity slip and melting. Here, titanium dioxide and silicon dioxide nanoparticles are blended with water as a base fluid. Transformation of similarities are utilised for changing the primary controlling PDEs into non-linear ODEs. The approximate integration of the flow work is obtained using MATLAB's built-in numerical approach, bvp-5c. Numerous physical flow characteristics are examined both numerically and graphically.<span><math><mrow><msup><mrow><mi>f</mi></mrow><mrow><mo>′</mo></mrow></msup><mrow><mfenced><mrow><mi>η</mi></mrow></mfenced></mrow></mrow></math></span> decreases for higher values of <span><math><mrow><mi>λ</mi><mo>,</mo><mspace></mspace><msub><mrow><mi>γ</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow></math></span> and <span><math><mi>A</mi></math></span> for both scenarios. The momentum boundary layer falls for <span><math><mrow><mi>β</mi><mspace></mspace></mrow></math></span>for both cases.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101613"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145938417","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}

{"title":"Advancing heat transfer efficiency: Analysis of hybrid nanofluid flow over a rotating stretched sheet","authors":"Mehak Bi Bi,&nbsp;Ahsan Ullah","doi":"10.1016/j.nanoso.2026.101611","DOIUrl":"10.1016/j.nanoso.2026.101611","url":null,"abstract":"<div><div>This paper examines the flow characteristics and the thermal performance of hybrid nanofluids (copper and iron oxide nanoparticles dispersed in water) under the influence of magnetic fields and the effect of thermal radiation, and the three-dimensional magneto-hydrodynamic (MHD) Darcy-Forchheimer (D-F) flow past a rotating stretched sheet. The use of hybrid nanofluids is becoming popular because they possess higher thermal characteristics than conventional fluids. The primary objective is to determine the influence of different parameters, like the strength of the magnetic field, rotation, porosity, and inertial forces, on fluid velocities and temperature gradients in hybrid nanofluids. The flow is described by a mathematical model using partial differential equations (PDEs) and reduced, through similarity transformations, to ordinary differential equations (ODEs). The resulting system is numerically solved by the bvp4c method of MATLAB. The research shows five important findings: (1) Cu-Fe₃O₄/H₂O hybrid nanofluid has 39.3 % and local Nusselt number of 4.20 and 5.65, respectively, at 0.3. (2) Strength of magnetic fields (M = 0.5 2.0) decreases the efficiency of heat transfer by 36 % due to Lorentz force-inhibited convection. (3) Rotation parameter (0–0.9) increases heat transfer by 33.6 % through secondary flow generated by Coriolis and better mixing. (4) Non-linear parameter interactions have a deviation of ±6–15 % of non-linear superposition: magnetic-rotation displays −12 % antagonistic interactions, and porosity-inertia displays + 15 % synergistic interactions. (5) Suction parameter (S=0.4–1.0) enhances the heat transfer by 50.2 % with thinning of the boundary layer. The validated engineering correlations (R²&gt;0.96) can optimize the design quickly. The bvp4c adaptive method has a speedup of 66–314x, making it possible to do complete parametric studies (750 cases) in 11 min compared to 27 h using traditional methods. The results have important implications for electronics cooling, solar thermal systems, automotive engineering, and medical devices where heat management is essential.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101611"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145938415","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}

{"title":"Eco-friendly conversion of corn husk agro-waste into microcrystalline cellulose and cellulose nanofibers","authors":"Nazym Sagiyeva ,&nbsp;Kydyrmolla Akatan ,&nbsp;Ainur Battalova ,&nbsp;Gulfaridat Kampitova ,&nbsp;Esbol Shaimardan ,&nbsp;Ainur Kabdrakhmanova ,&nbsp;Sana Kabdrakhmanova ,&nbsp;Madiar Beisebekov","doi":"10.1016/j.nanoso.2025.101610","DOIUrl":"10.1016/j.nanoso.2025.101610","url":null,"abstract":"<div><div>Efficient use of bioresources is essential in order to achieve sustainable development goals, and plays an important role in the reduction of any environmental impact and the improvement of resource efficiency. To this end, the present study investigates the process of obtaining microcrystalline cellulose (MCC) and cellulose nanofibers (CNFs) from corn husks (CHs), which are agricultural waste, under “mild” conditions by employing the organosolvent oxidation method using peroxyacetic acid (PAA). The results obtained at an effective hydromodule of CH:PAA 1:18 g/mL, were: MCC yield – 51.60 %, α-cellulose content – 58.73 ± 3 %, residual lignin – 12.92 ± 0.5 %, hemicellulose – 13.8 ± 0.5 %, ash content (SiO₂) – 10.73 ± 0.5 %, and moisture content – 3.57 ± 0.5 %. Furthermore, the effective MCC:FA ratio that was used to obtain CNFs from MCC_CH using formic acid (FA) was found to be 1/30 g/mL. The CNF yield achieved with this ratio was 68.67 %, and the average particle size was reduced by 177 times in length and 33 times in width, as compared to the initial MCC_CH size. The ζ-potential of the resulting MCC was −19.3 mV and the crystallinity index was 80.9 %. The effectiveness of the PAA/FA approach arises from mild oxidation that selectively removes amorphous cellulose, while preserving crystalline regions, thereby maintaining high crystallinity and contributing to favorable material yields. The physicochemical properties of the resulting high-quality cellulose micro- and nanofibers were compared, and found to have been obtained at good efficiency. The MCC and CNFs obtained have excellent potential for use in the medical field as essential components, and in the development of bioplastics and biocomposites, among other applications.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101610"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145880554","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}

{"title":"Recent advances in conducting polymer nanocomposites for non-invasive sweat-based biosensors: A review","authors":"Lovepreet Singh ,&nbsp;Harshita Jain ,&nbsp;Sakshi Sharma ,&nbsp;Nishel Saini ,&nbsp;Anuradha Kashyap ,&nbsp;Vishal Singh","doi":"10.1016/j.nanoso.2025.101609","DOIUrl":"10.1016/j.nanoso.2025.101609","url":null,"abstract":"<div><div>The demand for non-invasive, continuous health monitoring has accelerated research on wearable biosensors for real-time sweat analysis. Conducting polymer nanocomposites (CPNs), particularly those derived from polyaniline (PANI), polypyrrole (PPy), and PEDOT:PSS, have gained prominence owing to their unique combination of electrical conductivity, redox activity, mechanical flexibility, and biocompatibility. Current review broadly survey wearable biosensors, this article specifically highlights the engineering strategies and structure–property relationships of CPNs for sweat-based applications. Recent advances in nanomaterial integrationincluding carbon nanotubes, graphene derivatives, MXenes, and metal nanoparticlesare critically examined for their role in enhancing electron transfer, stability, and analyte selectivity. Fabrication approaches such as electropolymerization, inkjet printing, electrospinning, and 3D printing are compared in terms of scalability, reproducibility, and device durability. Transduction mechanisms like electrochemical, chemiresistive, and colorimetricare discussed. Device-level considerations, including substrate flexibility, microfluidic sweat handling, and wireless data transmission, are also analyzed. Key challenges like dopant leaching, film cracking under mechanical deformation, and signal drift in humid environments are identified, along with strategies for improved stability and performance. By integrating polymer engineering insights with wearable electronics, this review provides a forward-looking framework for designing next-generation sweat biosensors based on conducting polymer nanocomposites.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"45 ","pages":"Article 101609"},"PeriodicalIF":5.45,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145880630","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}

{"title":"Dual Channel Detection of Tetracycline Using Room-Temperature Phosphorescent Carbon Dots","authors":"Haoda Zhang, Kai Huang, Sen Zhou, Xiaoming Yang","doi":"10.1142/s1793292026500700","DOIUrl":"https://doi.org/10.1142/s1793292026500700","url":null,"abstract":"Excessively employing tetracycline (TC) or even abusing has led to severe environmental pollution and health risks, and monitoring its amount and related residue is of great importance. Although fluorescent carbon dots (CDs) have been employed to detect TC, single-fluorescence detection usually shows the deficiencies of the limited interference resistance and relatively narrow detection range. This study introduced a dual-channel method based on nitrogen-doped phosphorescent carbon dots (N-CDs). By capitalizing on the synergistic effects of fluorescence and phosphorescence signals, this approach effectively improved the detection sensitivity and the linear range. These N-CDs were synthesized through a one-step microwave-assisted method using guanidinopropionic acid and amidinothiourea as the precursors. The findings revealed that TC selectively quenched both the fluorescent and phosphorescent signals of N-CDs mainly based on the inner filter effect (IFE). These findings not only validated the theoretical basis of the dual-channel detection approach but also highlighted its practical potential. The developed method provided a sensitive and reliable technique for detecting TC in various samples and demonstrated the versatility of N-CDs as promising sensing materials.","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147381942","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}

{"title":"Degradation of Tetracycline in Medical Wastewater by Fe ₂ O ₃ /CuO Photocatalyst Under Visible Light","authors":"Siqi Wang, Yu Zhang, Lin Xu Feng, Ziying Tian, Guofei Huang, Jun Yu, Qiang Li","doi":"10.1142/s1793292026500608","DOIUrl":"https://doi.org/10.1142/s1793292026500608","url":null,"abstract":"To explore the development of photocatalytic materials which were highly efficient, nonpolluting, have low production cost and are recyclable for degrading tetracycline (TC) in medical wastewater. In the study, Fe 2 O 3 was selected as the photocatalyst, and CuO was introduced to modify it to produce the Fe 2 O 3 /CuO photocatalyst. The Fe 2 O 3 /CuO composite photocatalysts were investigated by characterization means such as XRD, SEM, UV–Vis DRS and EPR. The enhanced photocatalytic activity of the Fe 2 O 3 /CuO was attributed to CuO doping, which modulates the band structure, creating a new bandgap that extends the absorption spectrum and improves the utilization of visible light. Additionally, Fe 2 O 3 serves as an electron donor, significantly accelerating the separation of photogenerated electron–hole pairs. The effects of doping ratio, dosage, initial concentration of TC and illumination time on the degradation of TC in medical wastewater by Fe 2 O 3 /CuO composite photocatalysts were investigated. Under the optimized conditions, the degradation rate of TC by the Fe 2 O 3 /CuO photocatalyst was 94.26%. The removal rate of the loaded Fe 2 O 3 /CuO-4 photocatalyst remained above 90% after five repetitions. The Fe 2 O 3 /CuO-4 photocatalyst was suitable for practical application in the treatment of antibiotics in medical wastewater due to its simple preparation and good photocatalytic ability, and reusability.","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147883532","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}

{"title":"ATP-Supported MnO ₂ Nanofibers for High-Performance Supercapacitors","authors":"Xiaofeng Yang, Dongdong Li, Longgui Peng, Jiushuang Huang","doi":"10.1142/s1793292026500530","DOIUrl":"https://doi.org/10.1142/s1793292026500530","url":null,"abstract":"Manganese dioxide (MnO[Formula: see text], known for its high theoretical specific capacitance, is considered one of the most promising electrode materials for supercapacitors. However, its poor intrinsic conductivity and structural degradation during cycling severely limit its practical application. To address these challenges, an interwoven MnO 2 nanofiber network–based attapulgite (ATP)/MnO 2 composite was constructed by in-situ growth of MnO 2 nanofibers on natural ATP clay scaffolds via a one-step hydrothermal method. The microstructures and morphologies of pure ATP, pure MnO 2 and the ATP/MnO 2 composite were systematically characterized and compared. Furthermore, the electrochemical performances of pure MnO 2 and the ATP/MnO 2 composite were evaluated. Results indicate that the ATP/MnO 2 composite possesses a more favorable specific surface area and pore structure than pure ATP or MnO 2 , with an approximate 40% increase in specific surface area. Electrochemical measurements demonstrated that the ATP/MnO 2 composite delivered a specific capacitance of 218.8[Formula: see text]F[Formula: see text]g[Formula: see text] at a current density of 0.5[Formula: see text]A[Formula: see text]g[Formula: see text], approximately 50% higher than that of pure MnO 2 . Moreover, the composite exhibited outstanding cycling stability, retaining 89.9% of its initial capacitance after 5000 charge–discharge cycles at 3[Formula: see text]A[Formula: see text]g[Formula: see text]. This study demonstrates the role of natural ATP in synergistically optimizing the specific surface area and active sites of MnO 2 -based materials. The proposed strategy offers a feasible route for designing high-performance, low-cost and sustainable MnO 2 -based electrodes, while also providing new insights into the development of long-lasting energy storage materials.","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147905224","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}