Nano-Structures & Nano-Objects最新文献

{"title":"Effects of prescribed surface temperature and heat flux with electrical conductivity via microbial chemotaxis to enhance nanoparticle","authors":"Nahid Fatima ,&nbsp;Aaqib Majeed ,&nbsp;Nouman Ijaz","doi":"10.1016/j.nanoso.2024.101374","DOIUrl":"10.1016/j.nanoso.2024.101374","url":null,"abstract":"<div><div>The purpose of the current investigations in to explore the three-dimensional magnetohydrodynamic (MHD) Oldroyd-B nanofluid flow over an exponential stretchable surface with variable thermal conductivity. Impact of thermal radiation and gyrotactic motile organism also incorporated in the present study. A fluid that has tiny particles, also referred to as nanoparticles, scattered throughout a base fluid is called a nanofluid. These nanoparticles can be formed from metals, oxides, carbon-based compounds, or other nanomaterials, and their usual sizes range from 1 to 100 nanometers. Water, oil, ethylene glycol, or other common liquids can be used as the foundation fluid. Because of their improved physical qualities, greater heat transfer, and thermal conductivity, nanofluids have many uses in a variety of sectors. Two type of boundary conditions are associated here like prescribed surface temperature (PST) and prescribed heat flux (PHF). Exploring nanoparticles influence on a fluid viscoelasticity, and vice versa, advanced understanding of three-dimensional nanofluid flow over a porous, stretchable surface. The research also probed microorganisms' and reactions' impact on heat/mass transfer. Employing MATLAB and a similarity approach converted Navier-Stokes equations into ordinary differential equations. Outcomes included velocity profile, temperature profiles, concentration profiles, and microbe behavior. Thus, this significantly contributed to modelling collectors and thermal storage. The concentration profile flattens when the Schmidt number <span><math><mrow><mo>(</mo><mi>Sc</mi><mo>)</mo></mrow></math></span> is increased, indicating that the fluid flow behavior is clearly influenced. Moreover, these findings established ways to improve energy systems' efficiency by elucidating heat transport and fluid flow parameters. This enables sustainable energy solutions to tackle global challenges. The influence of various convergence parameters is illustrated through graphically and in the form of table. Also, our results are validated with the previously published data and found tremendous agreement.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101374"},"PeriodicalIF":5.45,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416372","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":"Chemical synthesis of NiO nanoparticles from Solanum trilobatum leaf extract for antibacterial and cytotoxic properties","authors":"V. Prabha ,&nbsp;T. Janisubha ,&nbsp;S.R. Gibin ,&nbsp;P. Pandi ,&nbsp;A. Mariappan ,&nbsp;M. Tamilelakkiya ,&nbsp;P. Velusamy","doi":"10.1016/j.nanoso.2024.101337","DOIUrl":"10.1016/j.nanoso.2024.101337","url":null,"abstract":"<div><div>The chemical precipitation approach was employed to synthesize Nickel oxide nanoparticles (NiONPs) using Solanum trilobatum leaf extract as the stimulant and Nickel nitrate as the precursor. The Nickel oxide is examined using a range of characterization methods including X-ray diffraction, Fourier Transform Infrared spectroscopy, High-Resolution Transmission Electron Microscopy, High-Resolution Scanning Electron Microscopy, X-ray photoelectron spectroscopy, Thermo gravimetric Analysis/Derivative Thermo gravimetric Analysis, Diffuse Reflectance Spectroscopy, cytotoxicity and antimicrobial investigations The X-ray diffraction examination determined that the average size of the crystals increases as the quantities of leaf extract in the NiO₂ composites rise. The decrease in line broadening (β) value and the increase in leaf extract concentrations may be the cause of this phenomenon. The FTIR spectrum confirms that the as-synthesized NiO-NPs are of great purity and match well with the XRD pattern. The thermal stability of the synthesized samples was determined using TGA/DTG analysis. The analysis was conducted in an air atmosphere, with the temperature increasing at a rate of 10°C per minute. The temperature range for the analysis was from room temperature to 750°C. The optical properties are determined by the use of Diffuse Reflectance Spectroscopy, which examines the coordinated movement of electrons in the conduction band when exposed to electromagnetic waves. Rat skeletal muscle cell line and SKMEL cancer cells were cultured on 96-well plates and incubated at 37°C and 5 % CO₂ for 24 hours to allow them to adapt to the culture conditions. An investigation was conducted to assess the antibacterial properties of synthesized nanocomposites against two types of bacteria: gram-positive <em>Staphylococcus aureus</em> (MTCC No: 87) and gram-negative <em>Escherichia coli</em> (MTCC No: 443), in order to explore their potential for biological applications.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101337"},"PeriodicalIF":5.45,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416371","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":"Probing the impact of group 7 transition metals (TM: Mn, Tc, Re) encapsulated Ge-doped graphitic carbon nitrides (TM_Ge@g-C3N4) nanostructure as sensors for fenitrothion; an organophosphate insecticide","authors":"Daniel G. Malu ,&nbsp;Abo I. Nta ,&nbsp;Ita I. Oyosukhu ,&nbsp;Terkumbur E. Gber ,&nbsp;Favour A. Nelson ,&nbsp;Abasifreke U. Johnson","doi":"10.1016/j.nanoso.2024.101367","DOIUrl":"10.1016/j.nanoso.2024.101367","url":null,"abstract":"<div><div>The prevalence and detrimental effect of insecticides on the environment and human health highlights the necessity for developing effective sensing and adsorbing materials. Among these, organophosphate insecticides have garnered significant attention due to their widespread use, and potential adverse effects. Herein, the electronic properties of graphitic carbon nitride (g-C3N4) were engineered by doping with Ge-atom (Ge@C3N4) which was further enhanced by encapsulating the surface with manganese (Mn), technetium (Tc), and rhenium (Re) atom using density functional theory (DFT) at the GD3BJ-B3LYP/def2svp level of theory. The obtained results unveiled that the incorporation of Mn, Tc, and Re metals into the Ge@C3N4 framework significantly altered the electronic structure of the composite materials and enhanced the adsorption of Fenitrothion (FTT). After interaction of fenitrothion unto the engineered surfaces, a decrease in the energy gap was observed following a trends; Mn_Ge@C3N4 &gt; Re_Ge@C3N4 &gt; Tc_Ge@C3N4 with their respective energy from 1.972 eV to 1.892 eV, 1.333 eV to 1.172 eV, and 1.129 eV to 1.094 eV. And, Ge@C3N4 demonstrating a slight increase in the energy gap delineating the effectiveness of the modified compounds in sensing and adsorbing FTT. Interestingly, the adsorption studies proved to be chemisorption with the observed energies following the pattern base on their sensing capabilities Ge@C3N4 &lt; Mn&lt; Tc&lt; Re corresponding to the energies as thus: −1.533 eV, −1.602 eV, −1.622 eV, −1.653 eV depicting Rhenium-encapsulated Ge@C3N4 doped surface the more favorable for the adsorption of FTT molecule followed by technetium-encapsulated Ge@C3N4. It was further observed that all the mechanistic adsorption studies and visual studies analyses presented Re_Ge@C3N4 as the most efficient surface for adsorption and detection of FTT_.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101367"},"PeriodicalIF":5.45,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416249","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":"Structure patterns of one-step synthesis of CuNi nanopowders in air environment: Experiment and atomistic simulations","authors":"Valentin Romanovski ,&nbsp;Nickolay Sdobnyakov ,&nbsp;Andrey Kolosov ,&nbsp;Kseniya Savina ,&nbsp;Nikita Nepsha ,&nbsp;Dmitry Moskovskikh ,&nbsp;Illia Dobryden ,&nbsp;Zhaowei Zhang ,&nbsp;Evgenii Beletskii ,&nbsp;Elena Romanovskaia","doi":"10.1016/j.nanoso.2024.101377","DOIUrl":"10.1016/j.nanoso.2024.101377","url":null,"abstract":"<div><div>A possibility for one-step synthesis of bimetallic CuNi nanopowders in a different ratio of Ni to Cu by solution combustion synthesis technique under normal air atmosphere without any post reduction is reported. The effect of different types of fuels like citric acid and glycine on the combustion process and characteristics of resultant solid products were investigated. XRD results showed the existing of CuNi as a main phase and small amounts of CuO and (Ni,Cu)₄N. Determined CuNi particle sizes were in the range of up to 50 nm. Computer simulation was performed using the molecular dynamics method for similar concentration compositions, but in size range of 4.5–5.5 nm, as a result of cooling the system from 1700 K to 300 K. In addition, two types of melting scenario of binary CuNi NPs were studied: 1) heterogeneous melting of monocrystalline Cu and Ni NPs; 2) melting of the crystallization products of binary NPs. Melting temperatures weakly depend on the choice of the above-mentioned melting scenario. However, the nature of subsequent crystallization can be influenced by the initial energy of the system, which is higher for case 1. The characteristic temperatures of phase transitions of melting and crystallization are determined based on the analysis of hysteresis loops of the specific potential part of the internal energy of NPs. The patterns of atomic and structural segregation in binary CuNi NPs were studied.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101377"},"PeriodicalIF":5.45,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416248","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":"Effect of filler loading on the frictional, thermal and mechanical properties of ABS/boron nitride (h-BN) nanocomposites","authors":"Elssa George ,&nbsp;Jomon Joy ,&nbsp;Poornima Vijayan P ,&nbsp;Henri Vahabi ,&nbsp;Soney C. George ,&nbsp;Saithalavi Anas","doi":"10.1016/j.nanoso.2024.101372","DOIUrl":"10.1016/j.nanoso.2024.101372","url":null,"abstract":"<div><div>The effect of hexagonal boron nitride (h-BN) nanoparticles in acrylonitrile butadiene styrene (ABS) polymer matrix is investigated. ABS/h-BN nanocomposites were prepared with h-BN content ranging from 0.5 to 5 wt% and their frictional, thermal and mechanical properties were evaluated. XRD analysis showed that the 'd' spacing in h-BN stacks increased in the ABS nanocomposite due to the interpenetration of ABS polymer chains. The tensile properties and thermal stability of ABS matrix showed better improvement with 0.5 wt% addition of h-BN nanoparticles. The tensile fracture mechanism in ABS/h-BN nanocomposites was predicted using tensile fracture surface analysis. Coats-Redfern approach was applied to support the thermal stability analysis results. Significant enhancement (28 %) in frictional property of ABS was observed in the nanocomposite with h-BN. Wettability and flame retardancy of the ABS/h-BN nanocomposites were also investigated.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101372"},"PeriodicalIF":5.45,"publicationDate":"2024-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416247","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":"Exploring the versatility of copper-based nanoparticles as contrast agents in various imaging modalities","authors":"Tochukwu Perpetua Okonkwo ,&nbsp;Osemudiamhen D. Amienghemhen ,&nbsp;Adachukwu N. Nkwor ,&nbsp;Ikhazuagbe Hilary Ifijen","doi":"10.1016/j.nanoso.2024.101370","DOIUrl":"10.1016/j.nanoso.2024.101370","url":null,"abstract":"<div><div>The utilization of copper-based nanoparticles (NPs) for biomedical imaging has garnered significant attention in recent years, offering promising avenues for enhanced diagnostic and therapeutic applications. This comprehensive review synthesizes insights from a plethora of studies spanning various imaging modalities, including magnetic resonance imaging (MRI), positron emission tomography (PET), ultrasound, and photoacoustic imaging. Key advancements in nanoparticle synthesis methods, contrast agent design, and multimodal imaging approaches are highlighted, showcasing the transformative potential of copper-based NPs in biomedical imaging. Several studies have focused on optimizing the synthesis of copper-based NPs to achieve precise control over size, shape, and surface properties, thereby enhancing their imaging performance and biocompatibility. Strategies such as encapsulation within polymeric nanocarriers and functionalization with biocompatible coatings have been explored to mitigate toxicity concerns and improve stability in physiological environments. Moreover, the integration of copper ions with other imaging agents, such as gadolinium in layered double hydroxide (LDH) nanoparticles, has led to synergistic effects and enhanced contrast enhancement in MRI applications. Targeted delivery strategies have emerged as a key area of research, aiming to achieve precise localization of NPs within specific tissues or biomarkers for improved diagnostic accuracy and therapeutic efficacy. Multimodal imaging agents, combining copper NPs with complementary imaging modalities, offer synergistic advantages and comprehensive diagnostic information. Furthermore, the development of theranostic nanoparticle platforms holds promise for personalized medicine approaches, enabling simultaneous imaging and therapy within a single nanoparticle system. Despite these advancements, numerous challenges persist, including concerns regarding biocompatibility, toxicity, stability, and scalability. Addressing these challenges requires interdisciplinary efforts and collaboration between academia, industry, and regulatory agencies. Moreover, navigating regulatory hurdles and conducting rigorous preclinical and clinical studies are essential steps towards clinical translation. In conclusion, the utilization of copper-based NPs in biomedical imaging represents a burgeoning field with immense potential for revolutionizing healthcare.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101370"},"PeriodicalIF":5.45,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416246","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":"Phyto-mediated biosynthesis of silver nanoparticles using Aloe barbadensis Miller leaves gel with improved antibacterial, anti-fungal, antioxidant, anti-inflammatory, anti-diabetic, and anti-cancer activities","authors":"Pooja V. Nagime ,&nbsp;Dwi Marlina Syukri ,&nbsp;Tessa Sjahriani ,&nbsp;Dessy Hermawan ,&nbsp;Nishat M. Shaikh ,&nbsp;Sheeba Shafi ,&nbsp;Vijay R. Chidrawar ,&nbsp;Sudarshan Singh ,&nbsp;Naheed Kausar ,&nbsp;Aliya Elamin","doi":"10.1016/j.nanoso.2024.101368","DOIUrl":"10.1016/j.nanoso.2024.101368","url":null,"abstract":"<div><div>An effective topical therapeutic agent requires a multifunctional attribute such as antibacterial, antioxidant, and anti-inflammatory efficacy. The green-synthesized metallic and metallic oxide nanoparticles have shown significant applicability in this regard. Hence a biosynthesis of silver nanoparticles (AgNPs) using <em>Aloe barbadensis</em> miller leaf gel was fabricated and evaluated for effect of imperative influences such as temperature, time, and concentration of reactant on AgNPs synthesis. Furthermore, the biomimetic qualities were assessed to ensure the safety and efficacy. The synthesis of stabilized and capped AgNPs presented a UV–vis–based plasmonic resonance at ∼ 400 nm. The reduction of silver nitrate was further confirmed by the shift in FTIR spectra for -OH around 2870 cm⁻¹. SEM and TEM images revealed cubic shape of the AgNPs. Whereas X-ray diffraction pattern indicated crystalline structure (crystallite size of ∼ 31.14 nm) with an inter-planar spacing value of 2.77, 1.96, and 1.67 Å for (200), (220), and (311) planes, respectively. In addition, AgNPs indicated a steady dispersion, homogeneity, and strong anionic zeta potential (∼ 35.4 mV). The results of antibacterial and antifungal activity demonstrated the potential of phyto-synthesized AgNPs in mitigation of infection associated with tested bacterial strain <em>Bacillus subtilis, Bacillus megaterium, Shigella flexneri, Trichoderma viride, Aspergillus niger,</em> and <em>Penicillium crysogenum</em>. Moreover, the results of hydrogen peroxide-based scavenging, anti-inflammatory, and anti-diabetic study revealed that the biosynthesized AgNPs exhibit an improved biomimetic attribute. Additionally, the biocompatibility assay demonstrated &gt; 80 % of CaCO-2 and L-929 cells viability at 1.67 μg/mL and 3.35 μg/mL, respectively. The anticancer activity of synthesized AgNPs against epithelium-like phenotype oral squamous carcinoma cells (CLS-354/WT) displayed IC₅₀ of 11.58 μg/mL. The results indicate that biogenic produced AgNPs may find suitable use as a potential therapeutic agent due to multifunctional attribute.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101368"},"PeriodicalIF":5.45,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416245","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":"Strategic insights of imparting flame retardancy into nano-cellulosic materials: A review","authors":"Shakshi Bhardwaj,&nbsp;Shiva Singh,&nbsp;Dakuri Ramakanth,&nbsp;Vinay Kumar Gupta,&nbsp;Pradip K. Maji","doi":"10.1016/j.nanoso.2024.101369","DOIUrl":"10.1016/j.nanoso.2024.101369","url":null,"abstract":"<div><div>Nanocellulose (NC) is a biomaterial with prospective use as a futuristic material. NC-based materials have several diverse uses, and their demand is growing every year. However, because of their highly flammable nature, the use of NC in harsh settings is greatly restricted. Hence, it is crucial to minimize the risk of fire caused by NC-based materials to maintain a superior level of performance. To diminish the inherent flammability of these substances, flame-retardant elements are often added as additives to produce flame-retardant nanocomposites. Hence, in this review, we have provided a comprehensive summary of the characteristics of NC and the principles and categorization of flame retardants. Subsequently, we have discussed the methods used for the synthesis and characterization of NC-based flame-retardant materials. It also delves into the historical progressions in these materials, intending to enhance the ability to resist flames. The article investigates the fire resistance properties of several materials based on NC, including aerogels, coatings, films, and textiles. The objective of this review is to provide a comprehensive analysis of the future directions and advancements in multi-functional flame-retardant NC materials, with a focus on their potential applications in harsh situations.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101369"},"PeriodicalIF":5.45,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416370","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":"The mixed-ligand strategy for structural modification of MOF materials to enhance the photocatalytic degradation and adsorption of organic pollutants: A review","authors":"Nuhaa Faaizatunnisa ,&nbsp;Ratna Ediati ,&nbsp;Enis Nadia MD Yusof ,&nbsp;Arif Fadlan ,&nbsp;Karelius Karelius ,&nbsp;Ummu Kulsum ,&nbsp;Muhammad Naufal Ariesta","doi":"10.1016/j.nanoso.2024.101366","DOIUrl":"10.1016/j.nanoso.2024.101366","url":null,"abstract":"<div><div>Pollution of water raises many concerns for the community because these substances are considered hazardous and can be detrimental to the environment. Waste such as dyes and pesticide residues are the most significant contributors to organic pollution. These hazardous and toxic materials must be properly removed from the environment to ensure and protect human health, safety, and the environment. Adsorption and photodegradation are two effective water purification techniques with high efficiency, economy, and ease of operation, promising environmental remediation through efficient energy use. Metal-organic frameworks (MOFs) that combine metal ions with organic ligands have diverse physical and chemical properties, making them excellent materials for removing toxic pollutants. MOFs possess unique structural properties and are utilized in the latest technological advancements for removing pesticides, heavy metal ions, pharmaceutical waste, and dyes. The functionalization, modification, defects, and deformations of adsorbents can improve the adsorption and photocatalytic performance of MOFs. Several essential factors related to MOF synthesis have been studied concerning structural properties, the basis of linker functionalization, the synthetic strategy of MIX-MOF assembly, mixed ligands, and framework defects, which can improve MOF performance in certain areas. Several topics will be discussed in this review, including MOFs, the strategy of using mixed ligands in MOF synthesis, and their application for treating environmental pollution.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101366"},"PeriodicalIF":5.45,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416369","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 approach for carboxymethyl cellulose isolation from durian peel waste and aerogel scaffold preparation","authors":"Kanchan Jha ,&nbsp;Esam Bashir Yahya ,&nbsp;Rahul Dev Bairwan ,&nbsp;Mustafa Sabri ,&nbsp;H.P.S. Abdul Khalil ,&nbsp;Mardiana Idayu Ahmad ,&nbsp;Indra Surya","doi":"10.1016/j.nanoso.2024.101345","DOIUrl":"10.1016/j.nanoso.2024.101345","url":null,"abstract":"<div><div>This research introduces a sustainable method for extracting carboxymethyl cellulose (CMC) from durian peel waste via supercritical carbon dioxide (Sc.CO₂) processing, leading to the development of advanced aerogel scaffolds. The study evaluates the influence of Sc.CO₂ treatment times (60, 90, and 120 min) on the properties of the produced CMC, investigating enhancements in terms of thermal stability, crystallinity, and mechanical attributes through thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and mechanical strength assessments. It was discovered that a 90-minute treatment duration yielded CMC aerogels with notable improvements in porosity, structural robustness, and mechanical resilience. This innovative approach not only proposes a viable strategy for repurposing agricultural by-products but also significantly augments the functional qualities of CMC aerogels, rendering them highly applicable in diverse fields. The outcomes underscore the efficiency of Sc.CO₂ treatment in refining the mechanical and thermal characteristics of CMC derived from durian peel waste, facilitating the creation of aerogel scaffolds poised for use in various sectors including drug delivery, water purification, and eco-friendly packaging, thereby contributing to the global initiatives for sustainability and efficient waste management.</div></div>","PeriodicalId":397,"journal":{"name":"Nano-Structures & Nano-Objects","volume":"40 ","pages":"Article 101345"},"PeriodicalIF":5.45,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416242","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}