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Journal articles on the topic 'DLS and FTIR analysis'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

K., Vijaya Kumar, and Shilpa Chakra CH. "Synthesis and Structural Characterization of ZnCr2O4 Nano Particles Prepared by Citrate-gel Auto Combustion Method." Asian Journal of Physical and Chemical Sciences 2, no. 2 (2017): 1–7. https://doi.org/10.9734/AJOPACS/2017/34683.

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Zinc chromite nano particles (NPs) have been synthesized via Citrate-gel auto combustion method using citric acid as chelating agent. Structural characterization of the prepared sample was carried out using X-ray diffraction analysis, FESEM and EDS analysis, dynamic light scattering (DLS) analysis and FTIR spectroscopic analysis. XRD analysis confirms the formation spinel oxide with a crystallite size of 36 nm as calculated using Debye-scherrer’s formula. FTIR studies also confirm the formation of spinel structure. Structural morphology was studied by field emission scanning electron microscop

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V. Senthilkumar and K. K. Ilavenil. "GRAPE SEED EXTRACT AS A GREEN ROUTE FOR MgO NANOPARTICLE SYNTHESIS: ANTIBACTERIAL INSIGHTS." RASAYAN Journal of Chemistry 18, no. 01 (2025): 14–21. https://doi.org/10.31788/rjc.2025.1819012.

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The study outlines the synthesis and characterization process of magnesium oxide nanoparticles (MONPs) sourced from Vitis vinifera seeds. Extraction of seed powder, treatment with a magnesium nitrate precursor, and subsequent analysis using UV-Vis spectrophotometry, FTIR, DLS, SEM, and XRD methods were conducted. FTIR identified surface functional groups, UV absorbance revealed optical properties, and DLS provided a PDI of 0.347 with an average diameter of 94.3 nm. SEM and XRD confirmed morphology and cubic structure. Additionally, antimicrobial assays demonstrated MONPs' potency against vario

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Becher, Tiago B., Carolyne B. Braga, Diego L. Bertuzzi, et al. "The structure–property relationship in LAPONITE® materials: from Wigner glasses to strong self-healing hydrogels formed by non-covalent interactions." Soft Matter 15, no. 6 (2019): 1278–89. http://dx.doi.org/10.1039/c8sm01965g.

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Rheology, SAXS, and dynamic light scattering (DLS) analysis, zeta potential measurement, scanning electron microscopy (SEM), and micro-FTIR and absorbance spectroscopy were used to enlighten the controversial literature about LAPONITE® materials.

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Sravani, Gurakala, and Thanigaivel S. "Structural and Functional Characterization of Nano Formulated Lemon Oil and Aloe Vera Based Essential Oil Ingredients By DLS, SEM and FTIR for Biomolecular Interactions." ECS Transactions 107, no. 1 (2022): 13637–46. http://dx.doi.org/10.1149/10701.13637ecst.

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Aim:The major aim of this study is to identify the biomolecular interactions of nanoformulated essential oils. Materials and methods: Lemon oil and aloe vera nanoemulsion (N=12) preparation was done by standard protocol. It is further used for Particle size analysis in nanometre range, average mean diameter of particle size distribution and functional groups using sophisticated instruments like DLS, SEM and FTIR. Results:The results of this study has shown that average particle size of lemon oil and aloe vera nanoemulsion was obtained by DLS was 336±1nm, the mean diameter of the particle size

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Abuzaid, Hanan O., Abdelmnim M. Altwaiq, Leen N. Ali, Manal Alkhabbas, and Sa’ib Khouri. "Quantitative Analysis of Titanium Dioxide (TiO2) Levels as Food Additives in Various Food Samples from the Jordanian Market." Methods and Objects of Chemical Analysis 20, no. 2 (2025): 135–42. https://doi.org/10.17721/moca.2025.135-142.

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This study presents a quantitative determination of titanium dioxide (TiO2, E171) in food products frequently consumed by children. An optimized acid digestion method using concentrated sulfuric acid, nitric acid, and hydrogen peroxide at 200 °C for 45 minutes was developed to efficiently extract TiO2 from food matrices. The recovered TiO2 was quantified using Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) and UV–Visible spectrophotometry. Both methods were successfully applied to twentyfive food products from the Jordanian market, including chewing gums, candies, and powde

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Al Malki, Jamila S., Nahed Ahmed Hussien, Lamia M. Akkad, Shatha O. Al Thurmani, and Anhal E. Al Motiri. "Green Synthesis of Silver and Titanium Oxide Nanoparticles Using Tea and Eggshell Wastes, Their Characterization, and Biocompatibility Evaluation." Sustainability 15, no. 15 (2023): 11858. http://dx.doi.org/10.3390/su151511858.

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Using biodegradable wastes represents a viable alternative to creating a sustainable economy that benefits all humans. The present study aimed to use daily used waste products, tea (TE) and eggshell (ES) wastes, to synthesize silver (AgNPs) and titanium oxide (TiO2NPs) nanoparticles, respectively. Firstly, the green-synthesized nanoparticles were characterized using an ultraviolet-visible spectrophotometer (UV-VIS), Scanning (SEM), transmission electron microscope (TEM), Dynamic light scattering (DLS), zeta potential analysis, X-ray diffraction (XRD), and Fourier transform infrared (FTIR) spec

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Martínez-Cuazitl, Adriana, María del Consuelo Gómez-García, Salvador Pérez-Mora, et al. "Polyphenolic Compounds Nanostructurated with Gold Nanoparticles Enhance Wound Repair." International Journal of Molecular Sciences 24, no. 24 (2023): 17138. http://dx.doi.org/10.3390/ijms242417138.

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Gold nanoparticles (AuNPs) have been used in a wide range of applications, conferring to bio-molecules diverse properties such as delivery, stabilization, and reduction of the adverse effects of drugs or plant extracts. Polyphenolic compounds from Bacopa procumbens (B. procumbens) (BP) can modulate proliferation, adhesion, migration, and cell differentiation, reducing the artificial scratch area in fibroblast cultures and promoting wound healing in an in vivo model. Here, chemically synthesized AuNPs conjugated with BP (AuNP-BP) were characterized using UV-Vis, ATR-FTIR, DLS, zeta-potential, a

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Devi, Geetha, Joefel Jessica C. Dumaran, and Dinesh Keloth Kaithari. "Nanoparticle Mediated Treatment of Dairy Wastewater." E3S Web of Conferences 463 (2023): 03015. http://dx.doi.org/10.1051/e3sconf/202346303015.

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Nanotechnology is one of the emerging areas of scientific interest with numerous applications. In this research, surface modified silicon dioxide nanoparticules have been developed from low molecular weight chitosan by dip-coating technique for the batch treatment of dairy wastewater. The processing parameters of wastewater pH, mixing duration, agitation speed and quantity of nanoparticles are varied, and the treatment efficiency was established by measuring the total dissolved solids (TDS), turbidity, chemical oxygen demand (COD), total suspended solids (TSS), and dissolved oxygen (DO). Dynam

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Mahiuddin, Md, Prianka Saha, and Bungo Ochiai. "Green Synthesis and Catalytic Activity of Silver Nanoparticles Based on Piper chaba Stem Extracts." Nanomaterials 10, no. 9 (2020): 1777. http://dx.doi.org/10.3390/nano10091777.

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A green synthesis of silver nanoparticles (AgNPs) was conducted using the stem extract of Piper chaba, which is a plant abundantly growing in South and Southeast Asia. The synthesis was carried out at different reaction conditions, i.e., reaction temperature, concentrations of the extract and silver nitrate, reaction time, and pH. The synthesized AgNPs were characterized by visual observation, ultraviolet–visible (UV-vis) spectroscopy, dynamic light scattering (DLS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), x-ray diffraction (XRD), energy dispersive x-ray (ED

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A. Askar, Ahmed, Asmaa M. Abouzaid, Akhilesh Dubey, and Sally A. El-Zahaby. "MEGAMOX MEDIATES ECO-FRIENDLY SYNTHESIS OF SELENIUM NANOPARTICLES AS IMMUNOMODULATORY, ANTIOXIDANT AND ANTIMICROBIAL AGENTS." Indian Drugs 59, no. 10 (2022): 80–90. http://dx.doi.org/10.53879/id.59.10.12817.

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The research herein includes methodology for eco-friendly preparation of selenium nanoparticles (SeNPs) using the broad-spectrum antibiotic, Megamox (Mega.). Characterization of SeNPs was done using UV-Visible spectroscopy, FTIR, XRD, DLS and TEM imaging. Additionally, the immunomodulatory, antioxidant and antimicrobial activities of both SeNPs and Mega. were checked against different strains of bacteria and fungi. TEM and DLS images showed that SeNPs are polydisperse spheres with mean diameter of 22.4 nm. FTIR analysis indicated that the hydroxyl and nitrogen moieties in Mega. were effective

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Nagoth, Joseph Amruthraj, Maria Sindhura John, Kesava Priyan Ramasamy, et al. "Synthesis of Bioactive Nickel Nanoparticles Using Bacterial Strains from an Antarctic Consortium." Marine Drugs 22, no. 2 (2024): 89. http://dx.doi.org/10.3390/md22020089.

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Marine microorganisms have been demonstrated to be an important source for bioactive molecules. In this paper we report the synthesis of Ni nanoparticles (NiSNPs) used as reducing and capping agents for five bacterial strains isolated from an Antarctic marine consortium: Marinomonas sp. ef1, Rhodococcus sp. ef1, Pseudomonas sp. ef1, Brevundimonas sp. ef1, and Bacillus sp. ef1. The NiSNPs were characterized by Ultraviolet–visible (UV–vis) spectroscopy, Dynamic Light Scattering (DLS), Transmission Electron Microscopy (TEM), X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR) spectrosco

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Gupta Banerjee, Dr Poulami, Dr Atanuka Paul, Dr Argha Chakraborty, and Mr Subrata Kundu. "Advanced Liposomal CoQ10 Formulation by WBCIL: A Step Forward in Cardiovascular Nutraceutical Therapy." International Journal of Pharmaceutical Science Invention 14, no. 3 (2025): 140–55. https://doi.org/10.35629/6718-1403140155.

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Coenzyme Q10 (CoQ10), or ubiquinone, is a lipid-soluble molecule essential for mitochondrial electron transport and cellular energy production. Its oral bioavailability is limited due to high molecular weight and hydrophobicity. West Bengal Chemical Industries Ltd. (WBCIL), Kolkata, India, addressed this by formulating a liposomal CoQ10 using 75% sunflower-derived phosphatidylcholine. This study comprehensively characterizes the liposomal CoQ10 in terms of physicochemical properties, encapsulation efficiency (EE%), stability, and controlled release. Analytical methods including High Performanc

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Covarrubias-Gordillo, Carlos Andrés, Florentino Soriano-Corral, Carlos Alberto Ávila-Orta, et al. "Surface Modification of Carbon Nanofibers and Graphene Platelets Mixtures by Plasma Polymerization of Propylene." Journal of Nanomaterials 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/4875319.

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Carbon nanofibers (CNFs), graphene platelets (GPs), and their mixtures were treated by plasma polymerization of propylene. The carbon nanoparticles (CNPs) were previously sonicated in order to deagglomerate and increase the surface area. Untreated and plasma treated CNPs were analyzed by dynamic light scattering (DLS), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, and thermogravimetric analysis (TGA). DLS analysis showed a significant reduction of average particle size, due to the sonication pretreatment. Plasma polymerized propylen

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Babu, Venkatadri, Selvaraj Arokiyaraj, Swathi Pon Sakthi Sri, et al. "Antibacterial, Antioxidant, Larvicidal and Anticancer Activities of Silver Nanoparticles Synthesized Using Extracts from Fruits of Lagerstroemia speciose and Flowers of Couroupita guianensis." Molecules 27, no. 22 (2022): 7792. http://dx.doi.org/10.3390/molecules27227792.

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The present study aimed to analyze the in vitro antibacterial, antioxidant, larvicidal and cytotoxicity properties of green synthesized silver nanoparticles (Ag NPs) using aqueous extracts from fruits of Lagerstroemia speciosa and flowers of Couropita guinensis. Synthesized Ag NPs were characterized using UV-DRS, FTIR, XRD, DLS, and High-Resolution SEM and TEM analyses. Absorption wavelength was observed at 386 nm by UV-DRS analysis and energy band gap was calculated as 3.24 eV. FTIR analysis showed the existence of various functional groups in the aqueous extract and in the NPs. DLS analysis

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Ganie, Kenny, Dzeti Farhah Mohshim, Ismail Mohd Saaid, Wan Rosli Wan Sulaiman, and Ahmad Kamal Idris. "Synthesis and Characterization of a New Surface-Modified Nanoparticle Using Fluoroalkanoic Acids as a Wettability Alteration Agent." Journal of Nanomaterials 2020 (October 9, 2020): 1–9. http://dx.doi.org/10.1155/2020/8814260.

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Previously, condensate banking removal in gas reservoir is mitigated using chemical treatments to alter the wettability of the near-wellbore region. However, this technique performed unsatisfactorily as it reduces the surface free energy and affects the gas relative permeability negatively. Hence, alternative surface-modified nanoparticles using fluorine-based chemicals were developed as wettability alteration agents since fluorine exhibits a high degree of liquid repellency and nanoparticles introduce high surface roughness. The newly synthesized surface-modified nanoparticles were characteri

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Anjana, M. I., M. Abiyoga, K. Rajalakshmy, and P. Saravana Kumari. "Lactobacillus sp., Mediated Synthesis of Zinc Oxide Nanoparticles and their Anticancer Activity on A549 Lung Cancer Cell Lines." Asian Journal of Chemistry 37, no. 3 (2025): 661–72. https://doi.org/10.14233/ajchem.2025.33297.

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Targeting certain signaling pathways may enable innovative therapeutics to overcome chemotherapy and radiation’s limitations, therefore, nanoparticle biosynthesis provides a promising alternative. This study investigates Lactobacillus sp., mediated zinc oxide nanoparticles (ZnO NPs) as a therapeutic approach against lung cancer A549 cells. The ZnO NPs were characterized using UV-Vis spectroscopy, FTIR, XRD, SEM, TEM, EDX, zeta potential and DLS analyses, confirming their nanoscale size and structural integrity. The UV-Vis spectra analysis of ZnO NPs revealed a significant absorption peak at ap

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Ravi, Gadepaka. "In-Vitro Antimicrobial and Anticancer Properties of Green Synthesized Gold Nanoparticles Using Securinega leucopyrus Leaves Extract." American Journal of Science and Medical Research 9, no. 2 (2023): 12–17. https://doi.org/10.5281/zenodo.8045313.

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<strong>ABSTRACT</strong> The aqueous leaves extract obtained was investigated for the preparation of gold nanoparticles. The obtained AuNPs were characterized by UV–Visible spectroscopy, FTIR, DLS and Zeta potential analysis. Results indicated that the green synthesized AuNPs showed good antibacterial effect against gram positive, gram negative and exhibited % viability of 45.717 and % of cytotoxicity 54.282 on breast cancer (MCF-7) at a maximum concentration of 100 mg/ml. <strong>Keywords: </strong>Antibacterial,<em> Securinega leucopyrus, </em>FTIR, DLS, Nanoparticles. <strong>REFEREN

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Joshi, S. C., Utkarsh Kaushik, Aproova Upadhyaya, and Priyanka Sharma. "GREEN TECHNOLOGY MEDIATED SYNTHESIS OF SILVER NANOPARTICLES FROM MOMORDICA CHARANTIA FRUIT EXTRACT AND ITS BACTERICIDAL ACTIVITY." Asian Journal of Pharmaceutical and Clinical Research 10, no. 3 (2017): 196. http://dx.doi.org/10.22159/ajpcr.2017.v10i3.16009.

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ABSTRACTObjective: The synthesis of nanoparticles from biological processes is evolving a new era of research interests in nanotechnology. Silver nanoparticlesare usually synthesized by chemicals and physical method, which are quite toxic and flammable in nature. This study deals with an environmentfriendly biosynthesis process of antibacterial silver nanoparticles using Momordica charantia fruit.Methods: AgNO3 (5 mM) was allowed to react with fruit extract of M. charantia. Biosynthesis of AgNPs was optimized by changing temperature,pH, and solvent. The silver nanoparticles so formed were char

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Zein, Raghad, Ibrahim Alghoraibi, Chadi Soukkarieh, Mohammad Taher Ismail, and Abdalrahim Alahmad. "Influence of Polyvinylpyrrolidone Concentration on Properties and Anti-Bacterial Activity of Green Synthesized Silver Nanoparticles." Micromachines 13, no. 5 (2022): 777. http://dx.doi.org/10.3390/mi13050777.

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Environmentally green synthesis of stable polyvinyl pyrrolidone (PVP)-capped silver nanoparticles (PVP-AgNPs) was successfully carried out. The present study focused on investigating the influence of adding PVP during the synthesis process on the size, optical properties and antibacterial effect of silver nanoparticles produced. An aqueous extract of Eucalyptus camaldulensis leaves was used as a reducing agent. The effects of different PVP concentrations and reducing time on the synthesis of nanoparticles (NPs) were characterized by UV–Vis spectrophotometry, scanning electron microscopy (SEM),

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Al-Otibi, Fatimah, Shahad K. Alkhudhair, Raedah I. Alharbi, Abdulaziz A. Al-Askar, Reem M. Aljowaie, and Sameha Al-Shehri. "The Antimicrobial Activities of Silver Nanoparticles from Aqueous Extract of Grape Seeds against Pathogenic Bacteria and Fungi." Molecules 26, no. 19 (2021): 6081. http://dx.doi.org/10.3390/molecules26196081.

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Grape seed extract (GSE) is a natural source of polyphenolic compounds and secondary metabolites, which have been tested for their possible antimicrobial activities. In the current study, we tested the antibacterial and antifungal activities of aqueous GSE and the biosynthesized silver nanoparticles loaded with GSE (GSE-AgNPs) against different pathogens. The biosynthesized GSE-AgNPs were assessed by UV spectroscopy, dynamic light scattering (DLS), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), and g

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Dulta, Kanika, Umeh Chisom Theresa, Madhumita Paul, Sushmita Nama Das, Mohd Kamran, and P. K. Chauhan. "Biogenic Synthesis of Iron Oxide Nanoparticles using Bergenia ligulata Rhizome Extract and their Biological Activities." Asian Journal of Chemistry 35, no. 5 (2023): 1123–28. http://dx.doi.org/10.14233/ajchem.2023.27567.

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Over the last few decades, nanoparticles were synthesized using various methods. Currently, studies are more focussed towards the biogenic synthesis of nanoparticles which has proven to simple, environmental-friendly, convenient and non-toxic as compared to other conventional methods. This work describes the biosynthesis of iron oxide nanoparticles (FeO NPs) using Bergenia ligulata rhizome extract. The synthesis of FeO NPs was validated by visual inspections when the colour of solution changed from dark brown to blackish brown. Other characterization including UV-visible spectroscopy, FTIR, XR

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Mohd Yusof, Hidayat, Nor’Aini Abdul Rahman, Rosfarizan Mohamad, and Uswatun Hasanah Zaidan. "Microbial Mediated Synthesis of Silver Nanoparticles by Lactobacillus Plantarum TA4 and its Antibacterial and Antioxidant Activity." Applied Sciences 10, no. 19 (2020): 6973. http://dx.doi.org/10.3390/app10196973.

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The present study aimed to investigate the ability of Lactobacillus plantarum TA4 in tolerating Ag+ and its ability to produce silver nanoparticles (AgNPs). The biosynthesized AgNPs were characterized using UV–Visible spectroscopy (UV–Vis), dynamic light scattering (DLS), Fourier-transform infrared (FTIR), and high-resolution transmission electron microscope (HR-TEM). The cell biomass of L. plantarum TA4 demonstrated the ability to tolerate Ag+ at a concentration of 2 mM, followed by the formation of AgNPs. This was confirmed by the visual observation of color changes and a presence of maximum

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Prathibha, T., B. Robert Selvan, K. A. Venkatesan, and M. P. Antony. "Studies on the radiolytic degradation of N,N-dioctyl-2-hydroxyacetamide using dynamic light scattering and ATR-FTIR spectroscopy." Radiochimica Acta 107, no. 5 (2019): 441–48. http://dx.doi.org/10.1515/ract-2018-3013.

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Abstract The bulk extraction of Nd(III) from 4 M nitric acid medium was studied in a solution of N,N-di-octyl-2-hydroxyacetamide (DOHyA) in n-dodecane as a function of γ absorbed dose up to 750 kGy. The average size of reverse micellar aggregates in the irradiated and un-irradiated DOHyA samples after the extraction of Nd(III) was measured by dynamic light scattering (DLS) spectroscopy. The effect of absorbed dose of γ radiation and concentration of Nd(III) in the organic phase on the aggregation behavior of DOHyA was investigated by DLS measurements and ATR-FTIR spectroscopy. The data on irra

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Pinheiro, José Aurélio, Nívia do Nascimento Marques, Marcos Antônio Villetti, and Rosangela de Carvalho Balaban. "Polymer-Decorated Cellulose Nanocrystals as Environmentally Friendly Additives for Olefin-Based Drilling Fluids." International Journal of Molecular Sciences 22, no. 1 (2020): 352. http://dx.doi.org/10.3390/ijms22010352.

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In this study, we intended to evaluate the performance of olefin-based drilling fluids after addition of cellulose nanocrystal (CNC) derivatives. For this purpose, firstly, cellulose nanocrystals, produced from sulfuric acid hydrolysis of cotton fibers, were functionalized with poly(N-isopropylacrylamide) (PNIPAM) chains via free radicals. The samples were then characterized via Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), confocal microscopy, dynamic light scattering (DLS), and zeta potential measu

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Alwael, H., E. MacHugh, M. S. El-Shahawi, and M. Oubaha. "Investigations on the Impact of a Series of Alkoxysilane Precursors on the Structure, Morphology and Wettability of an Established Zirconium-Modified Hybrid Anticorrosion Sol–Gel Coating." Gels 10, no. 5 (2024): 315. http://dx.doi.org/10.3390/gels10050315.

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The current study reports on the impact of a series of functional alkoxysilanes on the wettability and structure of a well-established silicon/zirconium hybrid anticorrosion sol–gel coating. The selected functional alkoxysilanes comprise tetra ethylorthosilicate (TEOS), 3-glycidyloxypropyltrimethoxysilane (GPTMS), 3-aminopropyltriethoxysilane (APTES) and vinyltriethoxysilane (VTES) and are incorporated at various concentrations (1, 5, 10 and 20%) within the silicon/zirconium sol–gel material. The prepared materials are successfully processed as coatings and cured at different temperatures in t

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Dadi, Fatma, Ahmed Taha, Lucas Sales Queiroz, et al. "Effects of Ultrasound Treatment on Emulsifying Properties of Pea Protein Isolates Obtained from Four Different Pea Flour Varieties." Foods 14, no. 9 (2025): 1634. https://doi.org/10.3390/foods14091634.

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This study investigated the extraction and colloidal properties of pea protein isolates (PPIs) from four pea cultivars produced in a southern region in Italy. The control PPIs (C-PPIs) were obtained via an alkaline extraction and isoelectric precipitation method and then subjected to ultrasound treatment (US) to yield US-PPIs. The effects of cultivars and sonication on the physicochemical characteristics and emulsifying property of the PPIs were studied. Fourier-transform infrared (FTIR) spectroscopy, colorimetric measurement, dynamic light scattering (DLS), and confocal laser scanning microsc

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Chinnaraju, Chinnasamy, Chinnaperamanoor Madhu Ganesan, Kandasamy Prabakar, and A. R. Lavanya. "Antibacterial Activity of Silver Nanoparticles Synthesized from Endophytic Streptomyces sp. CR 13 Isolated from the Roots of Ocimum tenuiflorum L." Asian Journal of Chemistry 36, no. 5 (2024): 1101–8. http://dx.doi.org/10.14233/ajchem.2024.31361.

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In this study, Streptomyces sp. CR 13 from the roots of Ocimum tenuiflorum L. was isolated and characterized using biochemical, morphological and genomic approaches. Silver nanoparticles (AgNPs) were synthesized extracellularly using cell-free extract and characterized with UV-vis spectroscopy, Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM), X-ray diffraction (XRD), EDX, DLS and zeta potential techniques. The maximum peak of UV-visible spectroscopy was observed at 425 nm and the TEM images revealed that the nanoparticles were spherical in shape and range

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Makari, H. K., B. Hungund, G. Vaidya, P. Kulkarni, and K. Ramakrishna. "Synthesis, Characterization and studies on antibacterial activity of colloidal silver nanoparticles from Artocarpus hirsutus fruit extract." Research Journal of Chemistry and Environment 25, no. 10 (2021): 61–69. http://dx.doi.org/10.25303/2510rjce6169.

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The present work reports the synthesis, characterization and antibacterial properties of colloidal silver nanoparticles using the fruit extract of Artocarpus hirsutus commonly known as wild jack. It is a tropical evergreen tree species that is native to Kerala and Karnataka, India. The Artocarpus hirsutus fruit extract was mixed with aqueous AgNO3 solution under constant agitation at room temperature for 9 to 12hrs. The reduction of silver ions by phytochemicals present in the fruit extract leads to the formation of stable colloidal Artocarpushirsutus silver nanoparticles (AHAg NPs). Character

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Mehrin, Shamima, Nilufer Yesmin Tanisa, Rabiul Awal, et al. "Efficient Bioelectrochemical Cell Generation and Green Synthesis of Silver Nanoparticles Using Pomegranate and Pineapple Peel Extracts: A Comprehensive Characterization Study." Advances in Materials Science and Engineering 2024 (March 28, 2024): 1–15. http://dx.doi.org/10.1155/2024/6681559.

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The present study investigates an environmentally conscious method for synthesizing silver nanoparticles (AgNPs) by employing extracts from pomegranate peel (PgP) and pineapple peel (PnP). This green synthesis approach offers a sustainable alternative to traditional chemical methods, thereby reducing the ecological footprint associated with nanoparticle production. The PgP and PnP extracts serve as both reducing and capping agents during the synthesis process, enhancing the biocompatibility of the resultant AgNPs. Various characterization techniques, including UV-Vis spectroscopy, Raman analys

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Pulit-Prociak, J., A. Staroń, D. Domagała, J. Kojs, M. Zielina, and M. Banach. "Modified zinc oxide nanoparticles as potential drug carrier." Digest Journal of Nanomaterials and Biostructures 19, no. 2 (2024): 581–91. http://dx.doi.org/10.15251/djnb.2024.192.581.

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The objective of this research was to investigate the feasibility of creating a stable drug carrier using zinc oxide. This carrier, with its surface modified by a galactose coating, aimed to demonstrate reduced toxicity compared to the uncoated zinc oxide nanoparticles. A series of zinc oxide nanoparticles were synthesized, each modified with galactose. The processes were carried out in a microwave radiation field. The synthesized products underwent analysis, including XRD, ATR-FTIR and TEM-EDS analysis. Also, DLS technique was applied to determined size and electrokinetic potential of nanopar

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Ansari, Afzal, Vasi Uddin Siddiqui, Wahid Ul Rehman, et al. "Green Synthesis of TiO2 Nanoparticles Using Acorus calamus Leaf Extract and Evaluating Its Photocatalytic and In Vitro Antimicrobial Activity." Catalysts 12, no. 2 (2022): 181. http://dx.doi.org/10.3390/catal12020181.

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Here, we present an innovative and creative sustainable technique for the fabrication of titania (TiO2) using Acorus calamus (A. calamus) leaf extract as a new biogenic source, as well as a capping and reducing agent. The optical, structural, morphological, surface, and thermal characteristics of biosynthesized nanoparticles were investigated using UV, FTIR, SEM, DLS, BET, and TGA-DSC analysis. The phase formation and presence of nanocrystalline TiO2 were revealed by the XRD pattern. FTIR analysis revealed conjugation, as well as the presence of Ti–O and O–H vibrational bands. The nanoparticle

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Tritean, Naomi, Luminița Dimitriu, Ștefan-Ovidiu Dima, et al. "Cytocompatibility, Antimicrobial and Antioxidant Activity of a Mucoadhesive Biopolymeric Hydrogel Embedding Selenium Nanoparticles Phytosynthesized by Sea Buckthorn Leaf Extract." Pharmaceuticals 17, no. 1 (2023): 23. http://dx.doi.org/10.3390/ph17010023.

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Phytosynthesized selenium nanoparticles (SeNPs) are less toxic than the inorganic salts of selenium and show high antioxidant and antibacterial activity. Chitosan prevents microbial biofilm formation and can also determine microbial biofilm dispersal. Never-dried bacterial nanocellulose (NDBNC) is an efficient carrier of bioactive compounds and a flexible nanofibrillar hydrophilic biopolymer. This study aimed to develop a selenium-enriched hydrogel nanoformulation (Se-HNF) based on NDBNC from kombucha fermentation and fungal chitosan with embedded biogenic SeNPs phytosynthesized by an aqueous

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Patel, Bharat, Satyendra Kumar Tripathi, Sandhya Pathak, Sandeep Shukla, and Archna Pandey. "Synthesis and in vitro drug release of primaquine phosphate loaded PLGA nanoparticles." European Journal of Chemistry 12, no. 4 (2021): 482–87. http://dx.doi.org/10.5155/eurjchem.12.4.482-487.2138.

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Plasmodium falciparum is one of the most common resistant Plasmodium species responsible for high rates of morbidity and mortality in malaria patients. Clinical guidelines for the management of Plasmodium falciparum include the use of a dose of primaquine phosphate resulting intolerable side effects. Therefore, the aim of this work was to formulate primaquine phosphate-loaded PLGA nanoparticles by using a nanoprecipitation method in order to increase its bioavailability to minimize drug intake. This leads to reduced toxicity and better therapeutic efficacy of the drug. The synthesized nanopart

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Sabira, Ovungal, Nedumbayil Drisya, Anthyalam Parambil Ajaykumar, et al. "From Ficus recemosa Leaf Galls to Therapeutic Silver Nanoparticles: Antibacterial and Anticancer Applications." Pharmaceutics 16, no. 8 (2024): 1025. http://dx.doi.org/10.3390/pharmaceutics16081025.

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The synthesis of silver nanoparticles (AgNPs) using environmentally friendly methods has become increasingly important due to its sustainability and cost-effectiveness. This study investigates the green synthesis of AgNPs using gall extracts from the plant Ficus recemosa, known for its high phytochemical content. The formation of AgNPs was verified through multiple analytical techniques, including UV-Vis spectroscopy, Fourier-transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM), zeta potential analysis, and dynamic light scattering (DLS). The UV-Vis spectroscopy resul

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Haryono, Agus, Muhammad Ghozali, Sri Budi Harmami, and Yenny Meliana. "Effect of Concentration on the Ionic Interaction between Polystyrene Sulfonate and Cationic Surfactant in Aqueous Solution." Materials Science Forum 916 (March 2018): 24–29. http://dx.doi.org/10.4028/www.scientific.net/msf.916.24.

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Polystyrene sulfonate (PSS) were prepared by sulfonation method of polystyrene using sulfuric acid. Abundant amount of polystyrene waste can be reused as a coagulant, membrane for polymer fuel cell and anionic-cationic polymer interactions. The characterization of PSS was carried out by using UV-Vis, Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR) spectra, molecular weight and analysis of sulfonation degree. The degree of sulfonation was obtained at 94,18%. Ionic interaction between anionic polymer PSS and cetyltrimethylammonium bromide (CTAB) as cationic compo

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Amandeep, Kaur, and Singh Devinder. "Phytochemical Analysis of Crude Plant Extracts and Laboratory Synthesized Green Nanoparticles from Acacia auriculiformis A. Cunn. ex Benth." International Journal of Zoological Investigations 08, no. 02 (2022): 47–58. http://dx.doi.org/10.33745/ijzi.2022.v08i02.008.

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Recently the research and analysis of green nanoparticles (NPs) synthesized with plant extracts has been expanded significantly due to their biological activities. From the variety of agents used for nanoparticles synthesis, silver (Ag) is the most preferred due to its recommended use in medical field as best topical bactericides from ancient times. In the present study, crude bark extracts of Acacia auriculiformis A. Cunn. were used for nanoparticles synthesis and comparison of their biochemistry with crude extract was assessed by using biochemistry analytical techniques viz; UV-Visible spect

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Tabasi, Ozra, Mahdi Roohi Razlighi, and Mohammad Ali Darbandi. "An Optimized Process for the Preparation of Aqueous Ferric Carboxymaltose: Synthesis and Structural Characterization." Pharmaceutical Nanotechnology 9, no. 2 (2021): 157–63. http://dx.doi.org/10.2174/2211738509666210114160941.

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Background: Ferric carboxymaltose (FCM) formulation consists of iron-carbohydrate nanoparticles where iron-oxyhydroxide as a core is covered by a carbohydrate shell. The present work provides an improved synthesis process of FCM as an intravenous iron, active pharmaceutical ingredient. Methods: Water-soluble FCM complex was prepared from the reaction of ferric hydroxide precipitation with an aqueous solution of oxidized maltodextrin (MD) at optimum temperature and pH conditions. A systematic approach was followed to obtain the optimal weight ratio of the maltodextrin/ ferric chloride for FCM s

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Lima, Alan Kelbis Oliveira, Arthur Abinader Vasconcelos, Renata Katsuko Takayama Kobayashi, Gerson Nakazato, Hugo de Campos Braga, and Paulo Sérgio Taube. "Green synthesis: characterization and biological activity of silver nanoparticles using aqueous extracts of plants from the Arecaceae family." Acta Scientiarum. Technology 43 (September 23, 2021): e52011. http://dx.doi.org/10.4025/actascitechnol.v43i1.52011.

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This study proposes the preparation, characterization, and evaluation of the antimicrobial activity of silver nanoparticles (AgNPs). AgNPs were synthesized from the leaf extracts of plants from the Arecaceae family, which are abundant in the Amazon region. AgNPs were characterized using UV/Vis spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), dynamic light scattering (DLS), and their minimum inhibitory concentrations (MIC) against the bacteria Escherichia coli and Staphylococcus aureus. AgNPs presented maximum absorbance between 420 and 430 nm, the mean diameter obtained by DLS ran

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Keshavamurthysetty, Pradeep Heregangur, and Dipti H. Patel. "Optimization through response surface modelling, experimental validation on development of nanocellulose for pharmaceutical applications." Advances in Natural Sciences: Nanoscience and Nanotechnology 15, no. 4 (2024): 045012. http://dx.doi.org/10.1088/2043-6262/ad7c1a.

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Abstract Nanocellulose, a promising polymer derived from lignocellulosic sources, is utilized in various applications such as paper production, water purification, wound dressing, scaffolds, biosensors, super-disintegrants, cosmetics, and drug delivery systems. The study investigates the production of optimized nanocellulose size using response surface methodology, examining the impact of factors like sulphuric acid concentration and temperature on the acid hydrolysis process. The central composite design was used to screen and adjust the design matrix with two-factor levels. The optimized siz

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Tadesse, Melkie Getnet, Esubalew Kasaw, and Jörn Felix Lübben. "Valorization of Banana Peel Using Carbonization: Potential Use in the Sustainable Manufacturing of Flexible Supercapacitors." Micromachines 14, no. 2 (2023): 330. http://dx.doi.org/10.3390/mi14020330.

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Sustainable and environmentally friendly activated carbon from biomass materials is proposed to produce supercapacitors from banana peels and has the potential to replace the non-sustainable and hazardous process from either graphite or/and fossil fuels. In order to determine the potential of using banana peel for supercapacitor application, raw banana peel, a bio-waste, was activated both mechanically and chemically to observe the real differences. The sample was activated at 700 °C and chemically activated using KOH. Characterization of activated banana peel was performed using FTIR, DLS, TG

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Hussien, Nahed Ahmed, Jamila S. Al Malki, Farah A. R. Al Harthy, Asrar W. Mazi, and Jumanh A. A. Al Shadadi. "Sustainable Eco-Friendly Synthesis of Zinc Oxide Nanoparticles Using Banana Peel and Date Seed Extracts, Characterization, and Cytotoxicity Evaluation." Sustainability 15, no. 13 (2023): 9864. http://dx.doi.org/10.3390/su15139864.

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This study describes the use of banana peel (BPEs) and date seed extracts (DSEs) as waste products in the sustainable and eco-friendly biological synthesis of zinc oxide nanoparticles (ZnONPs). ZnONPs_BPE and ZnONPs_DSE were characterized using an ultraviolet-visible spectrophotometer (UV-VIS), Scanning (SEM), transmission electron microscope (TEM), X-ray diffraction (XRD), dynamic light scattering (DLS), zeta potential analysis, and Fourier transform infrared (FTIR) spectroscopy. Moreover, the biocompatibility of ZnONPs was analyzed against the normal human skin fibroblast (HSF) cell line. Pe

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Souza, Adriana Oliveira, Johny Wysllas de Freitas Oliveira, Claudia Jéssica Gonsalves Moreno, et al. "Silver Nanoparticles Containing Fucoidan Synthesized by Green Method Have Anti-Trypanosoma cruzi Activity." Nanomaterials 12, no. 12 (2022): 2059. http://dx.doi.org/10.3390/nano12122059.

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The brown seaweed Spatoglossum schröederi synthesizes three bioactive fucoidans, the most abundant of which is fucan A. This fucoidan was extracted and its identity was confirmed by chemical analysis, Fourier-transform infrared spectroscopy (FTIR), and agarose gel electrophoresis. Thereafter, silver nanoparticles containing fucan A (AgFuc) were produced using an environmentally friendly synthesis method. AgFuc synthesis was analyzed via UV–vis spectroscopy and FTIR, which confirmed the presence of both silver and fucan A in the AgFuc product. Dynamic light scattering (DLS), X-ray diffraction,

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Alshawwa, Samar Zuhair, Eman J. Mohammed, Nada Hashim та ін. "In Situ Biosynthesis of Reduced Alpha Hematite (α-Fe2O3) Nanoparticles by Stevia Rebaudiana L. Leaf Extract: Insights into Antioxidant, Antimicrobial, and Anticancer Properties". Antibiotics 11, № 9 (2022): 1252. http://dx.doi.org/10.3390/antibiotics11091252.

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In the present study, we utilized Stevia rebaudiana L. (SRLe) extract to in situ biosynthesize nanoscale alpha hematite (α-Fe2O3) nanoparticles (NPs) with potent antioxidant, antimicrobial, and anticancer properties. SRLe-α-Fe2O3 was characterized using physiochemical analyses, including UV/Vis, FTIR, XRD, DLS, EDX, SEM, and TEM studies. Among tested solvents, CHCl3/MeOH (2:1 v/v) SRL extract (least polar solvent) contained the highest EY, TPC, and antioxidant capacity of ~3.5%, ~75 mg GAE/g extract, and IC50 = 9.87 ± 0.7 mg/mL, respectively. FTIR confirmed the engagement of coating operation

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Abdelmoteleb, Ali, Benjamín Valdez-Salas, Ernesto Beltran-Partida, et al. "Biosynthesis of Zinc Oxide Nanoparticles Using Garlic Peel Extract and Their Antibacterial Potential." Microbiology Research 15, no. 3 (2024): 1655–69. http://dx.doi.org/10.3390/microbiolres15030110.

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Zinc oxide nanoparticles (ZnO NPs) have gathered interest because of their unique characteristics and potential applications. In the current work, ZnO NPs underwent an eco-friendly biosynthesis process using garlic peel extract. The biosynthesized ZnO NPs were characterized using different analyses including Ultraviolet-visible (UV-vis) spectroscopy, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), dynamic light scattering (DLS), and Fourier transform infrared spectroscopy (FTIR). The produced ZnO NPs exhibited a UV–vis spectrum absorption peak at 365 nm, thus in

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Sultan, Hira, Aeysha Sultan, Raha Orfali та ін. "Green Synthesis and Investigation of Surface Effects of α-Fe2O3@TiO2 Nanocomposites by Impedance Spectroscopy". Materials 15, № 16 (2022): 5768. http://dx.doi.org/10.3390/ma15165768.

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Nanocomposites based on iron oxide/titanium oxide nanoparticles were prepared by employing green synthesis, which involved phytochemical-mediated reduction using ginger extract. XRD confirmed the composite formation, while scanning electron microscopy (SEM), dynamic light scattering (DLS), and energy-dispersive X-ray spectroscopy (EDX) was employed to investigate the particle size, particle morphology, and elemental analysis. SEM indicated the formation of particles with non-uniform shape and size distribution, while EDX confirmed the presence of Fe, Ti and oxygen in their elemental state. The

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Sharma, H. S. S., C. Selby, E. Carmichael, et al. "Physicochemical analyses of plant biostimulant formulations and characterisation of commercial products by instrumental techniques." Chemical and Biological Technologies in Agriculture 3, no. 1 (2016): 13. https://doi.org/10.1186/s40538-016-0064-6.

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<strong>Background: </strong>The objective of this study was to develop instrumental protocols for evaluating physicochemical characteristics of plant biostimulant/biofertiliser formulations. Six formulations (Rygex, Algavyt, Ryzoset, Manek, Ecoryg and Algavyt Zn/Mn) containing algal/plant extracts, humic and amino acids, lipids and inorganic components were assessed for particle size distribution and zeta potential (ZP) by dynamic light scattering (DLS) and gross compositional differences by thermogravimetric analysis (TGA), Fourier transform infrared (FTIR), and pyrolysis-gas chromatography/

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Naghibzadeh, Majid, Amir Amani, Mohsen Amini, Elina Esmaeilzadeh, Negar Mottaghi-Dastjerdi та Mohammad Ali Faramarzi. "An Insight into the Interactions betweenα-Tocopherol and Chitosan in Ultrasound-Prepared Nanoparticles". Journal of Nanomaterials 2010 (2010): 1–7. http://dx.doi.org/10.1155/2010/818717.

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The aim of this study was to investigate the interactions betweenα-tocopherol and chitosan molecules prepared subsequent to preparation ofα-tocopherol-loaded chitosan nanoparticles using ultrasonication. Dynamic light scattering (DLS) and scanning electron microscopy (SEM) analyses showed semispherical particles with an average size of approximately 350 nm. Also from reconstitution test,α-tocopherol was suggested as stabilizing agent during lyophilization/reconstitution process. The zeta potentials of chitosan andα-tocopherol nanoparticles were larger than±30 mV, representing suitable stabilit

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Wang, Jin, Hua Qiu, Bo Cheng, Fan Zhang, and Shuhua Qi. "Preparation of a monodisperse poly (N-phenylmaleimide–acrylonitrile–styrene) structural nanolatex for heat-resistant modification of PVC." Journal of Thermoplastic Composite Materials 32, no. 3 (2018): 409–23. http://dx.doi.org/10.1177/0892705718780976.

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A monodisperse poly ( N-phenylmaleimide–acrylonitrile–styrene) (PNAS) nanolatex was synthesized via seed microemulsion polymerization. The obtained PNAS nanolatex was then directly used as an organic nanofiller to prepare polyvinyl chloride (PVC)/PNAS hybrid composite through water blending and melt compounding. The characteristics of PNAS nanolatex were analyzed by Fourier transform infrared (FTIR) spectrometer, elemental analysis, scanning electron microscope, transmission electron microscope (TEM), dynamic laser lighting scattering (DLS), differential scanning calorimetry (DSC), and thermog

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Gowthami, A., A. Vinoth Kanna, T. Uma sankari, and Sarmad Moin. "Bioreduction of silver nanoparticles characterizations and their antimicrobial activity." International Journal of Advances in Scientific Research 3, no. 1 (2017): 18. http://dx.doi.org/10.7439/ijasr.v3i1.3889.

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In this investigation we report the bioreduction of silver nitrate to silver nanoparticles using the leaves aqueous extract of Alangium lamarckii. The silver nanoparticles were characterized by UVvis spectrophotometer, scanning electron microscope (SEM), DLS-Size and zeta potential analysis showed that the synthesized silver nanoparticles are varied from 60 - 70 nm and have the spherical shape. Further the prospect of protein as a stabilizing material in silver nanoparticles is shown by FTIR analysis and the XRD examination confirms monocrystalline phase of silver with FCC crystal structure. T

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Rajput, Rameshwar, Eisha Ganju, and Bhaskar Kumar Gupta. "Development and Characterization of Mesalamine Nanoparticles for Effective Targeting of Ulcerative Colitis." International Journal of Medical & Pharmaceutical Sciences 14, no. 06 (2024): 01–12. https://doi.org/10.31782/ijmps.2024.14601.

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Aim: To develop and characterize mesalamine-loaded nanoparticles for enhanced efficacy and targeted delivery in the treatment of ulcerative colitis (UC), addressing the limitations of conventional mesalamine therapies. Methodology: Mesalamine nanoparticles were formulated using the solvent evaporation technique and optimized for particle size, morphology, drug loading efficiency, and release kinetics. Dynamic light scattering (DLS), scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR) were employed for comprehensive characterization. In vitro drug release stud

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