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Journal articles on the topic 'Biosourced nanoparticles'

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1

Enneiymy, Mohamed, Claude Le Drian, and Jean-Michel Becht. "Green reusable Pd nanoparticles embedded in phytochemical resins for mild hydrogenations of nitroarenes." New Journal of Chemistry 43, no. 44 (2019): 17383–89. http://dx.doi.org/10.1039/c9nj04474d.

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2

Danafar, Hossein, Marziyeh Salehiabar, Murat Barsbay, et al. "Curcumin delivery by modified biosourced carbon-based nanoparticles." Nanomedicine 17, no. 2 (2022): 95–105. http://dx.doi.org/10.2217/nnm-2021-0225.

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Aim: To prepare a novel hybrid system for the controlled release and delivery of curcumin (CUR). Methods: A method for the ultrasound-assisted fabrication of protein-modified nanosized graphene oxide-like carbon-based nanoparticles (CBNPs) was developed. After being modified with bovine serum albumin (BSA), CUR was loaded onto the synthesized hybrid (labeled CBNPs@BSA–CUR). The structure and properties of the synthesized nanoparticles were elucidated using transmission electron microscopy (TEM), atomic force microscopy (AFM), ultraviolet-visible spectroscopy (UV-Vis), Fourier-transform infrare
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3

Sasaki, Isabelle, Frédérique Brégier, Guillaume Chemin, et al. "Hydrophilic Biocompatible Fluorescent Organic Nanoparticles as Nanocarriers for Biosourced Photosensitizers for Photodynamic Therapy." Nanomaterials 14, no. 2 (2024): 216. http://dx.doi.org/10.3390/nano14020216.

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Most photosensitizers of interest for photodynamic therapy—especially porphyrinoids and chlorins—are hydrophobic. To circumvent this difficulty, the use of nanocarriers is an attractive strategy. In this perspective, we have developed highly water-soluble and biocompatible fluorescent organic nanoparticles (FONPs) made from citric acid and diethyltriamine which are then activated by ethlynene diamine as nanoplatforms for efficient photosensitizers (PSs). Purpurin 18 (Pp18) was selected as a biosourced chlorin photosensitizer combining the efficient single oxygen generation ability and suitable
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4

Azat, S., U. Zhantikeyev, U. Z. Tauanov, and K. Bekseitova. "Biosourced silica / Ag composite materials as a new adsorbent for the removal of mercury ions from water." Novosti nauki Kazahstana 156, no. 1 (2023): 6–15. http://dx.doi.org/10.53939/15605655/2023_1_6.

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In this study, the synthesis of a new composite adsorbent using rice biosourced silica, silver nanoparticles and triethoxysilane as the raw materials for removal aqueous mercury ions from water is presented. The new composite material was synthesised by modification of the surface of rice husk based silica with silane groups and farther decoration with silver nanoparticles. Characterization was carried out through, Fourier transform infrared (FT-IR) spectra analysis, N2 adsorption-desorption (Brunauer-Emmett-Teller) and thermal gravimetric analysis (TGA). Synthetic and real mercury containing
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5

Peter, Clovis, Antoine Derible, Jean-Michel Becht, et al. "Biosourced mesoporous carbon with embedded palladium nanoparticles by a one pot soft-template synthesis: application to Suzuki reactions." Journal of Materials Chemistry A 3, no. 23 (2015): 12297–306. http://dx.doi.org/10.1039/c4ta06478j.

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6

El-Seedi, Hesham R., Mohamed S. Omara, Abdulrahman H. Omar, et al. "Updated Review of Metal Nanoparticles Fabricated by Green Chemistry Using Natural Extracts: Biosynthesis, Mechanisms, and Applications." Bioengineering 11, no. 11 (2024): 1095. http://dx.doi.org/10.3390/bioengineering11111095.

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Metallic nanoparticles have found wide applications due to their unique physical and chemical properties. Green biosynthesis using plants, microbes, and plant/microbial extracts provides an environmentally friendly approach for nanoparticle synthesis. This review discusses the mechanisms and factors governing the biosynthesis of metallic nanoparticles such as silver, gold, and zinc using various plant extracts and microorganisms, including bacteria, fungi, and algae. The phytochemicals and biomolecules responsible for reducing metal ions and stabilizing nanoparticles are discussed. Key process
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7

Alqarni, Laila S., Maha D. Alghamdi, Aisha A. Alshahrani, and Amr M. Nassar. "Green Nanotechnology: Recent Research on Bioresource-Based Nanoparticle Synthesis and Applications." Journal of Chemistry 2022 (August 9, 2022): 1–31. http://dx.doi.org/10.1155/2022/4030999.

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In the last decades, the idea of green nanotechnology has been expanding, and researchers are developing greener and more sustainable techniques for synthesizing nanoparticles (NPs). The major objectives are to fabricate NPs using simple, sustainable, and cost-effective procedures while avoiding the use of hazardous materials that are usually utilized as reducing or capping agents. Many biosources, including plants, bacteria, fungus, yeasts, and algae, have been used to fabricate NPs of various shapes and sizes. The authors of this study emphasized the most current studies for fabricating NPs
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8

Thanasakonpong, A., B. Ksapabutr, and M. Panapoy. "Microwave-assisted green synthesis of silver nanoparticles using extract of mint leaves." IOP Conference Series: Materials Science and Engineering 1280, no. 1 (2023): 012016. http://dx.doi.org/10.1088/1757-899x/1280/1/012016.

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Abstract Silver nanoparticles are widely used in areas such as biosensing, hydrogen production, electronics, photovoltaics, antimicrobials, and biomedical engineering applications. Biological synthesis is regarded as a safe and non-toxic process, but its main disadvantage is the slow processing time. The mint leaf extract can act as both a reducing and stabilizing agent for the biological synthesis of silver nanoparticles. In this work, a rapid and green method for the microwave-assisted biological synthesis of silver nanoparticles was investigated using an aqueous leaf extract of mint as a bi
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9

Pilla, Srinivasarao, Rohit Ranganathan Gaddam, Ramanuj Narayan, Chepuri R. K. Rao, and K. V. S. N. Raju. "Biosourced graphitic nanoparticle loaded hyperbranched polyurethane composites – application as multifunctional high-performance coatings." New Journal of Chemistry 39, no. 9 (2015): 7219–26. http://dx.doi.org/10.1039/c5nj01649e.

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10

Gaddam, Rohit Ranganathan, Srinivasarao Pilla, D. Vasudevan, Ramanuj Narayan, and K. V. S. N. Raju. "Facile synthesis of biosourced graphitic nanoparticle anchored silica nanoparticle hybrid for the development of functional polyurethane composite." Progress in Organic Coatings 87 (October 2015): 45–51. http://dx.doi.org/10.1016/j.porgcoat.2015.05.006.

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11

Bharadwaj, Namita, and Naved siddiqui. "Phytochemical Screening and Nanosynthesis of Linum Usitassimum [Flax Seeds] Used in Hypothyroid Treatment." Oriental Journal Of Chemistry 37, no. 3 (2021): 746–51. http://dx.doi.org/10.13005/ojc/370332.

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Medicinal plants are the richest biosource of drugs of traditional system of medicine. Flax seeds (Linum usitastassimum L) is a multipurpose crop and its consumption is beneficial for health. Flax seeds is a abundant spring of healthy fat, antioxidant and fibre. The nutrient in flax seeds may help under risk of diabetes, cancer, cardiac disease and thyroid. The present study deals with qualitatitive analysis of phytochemicals by the standard method of Harbone .followed by the extraction of seed oil by sohxlet apparatus using petroleum ether as solvent. Quantitative analysis were also done to d
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12

Faisal, Shah, Muhammad Aslam Khan, Hasnain Jan, et al. "Edible mushroom (Flammulina velutipes) as biosource for silver nanoparticles: from synthesis to diverse biomedical and environmental applications." Nanotechnology 32, no. 6 (2020): 065101. http://dx.doi.org/10.1088/1361-6528/abc2eb.

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13

de Souza, Marcus Vinicius Nora, Cristiane França da Costa, Victor Facchinetti, Claudia Regina Brandão Gomes, and Paula Mázala Pacheco. "Advances in Triazole Synthesis from Copper-catalyzed Azide-alkyne Cycloadditions (CuAAC) Based on Eco-friendly Procedures." Current Organic Synthesis 16, no. 2 (2019): 244–57. http://dx.doi.org/10.2174/1570179416666190104141454.

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Background: 1,2,3-triazoles are an important class of organic compounds and because of their aromatic stability, they are not easily reduced, oxidized or hydrolyzed in acidic and basic environments. Moreover, 1,2,3-triazole derivatives are known by their important biological activities and have drawn considerable attention due to their variety of properties. The synthesis of this nucleus, based on the click chemistry concept, through the 1,3-dipolar addition reaction between azides and alkynes is a well-known procedure. This reaction has a wide range of applications, especially on the developm
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14

Ma, Yingshan, Shahrzad Nouri, Duy Anh Pham, et al. "Phytoglycogen Nanolubricants with Extended Retention Time in Joints." Advanced Functional Materials, October 10, 2024. http://dx.doi.org/10.1002/adfm.202413525.

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AbstractOsteoarthritis is a prevalent chronic health condition that is mostly associated with the degeneration of joint cartilage due to aging or abnormal mechanical stress in the joint. Intraarticularly injected nanoparticle‐based lubricants decrease the friction between damaged cartilage surfaces, thus preventing their further degradation; however, the effectiveness of currently used nanoparticle‐based lubricants is limited by their short retention time in the joint space. To address this challenge, cationically modified biosourced phytoglycogen nanolubricants are utilized, which electrostat
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15

Geng, Yong, Camila Honorato‐Rios, JungHyun Noh, and Jan P. F. Lagerwall. "Cholesteric Spherical Reflectors with Tunable Color from Single‐Domain Cellulose Nanocrystal Microshells." Advanced Materials, October 5, 2023. http://dx.doi.org/10.1002/adma.202305251.

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AbstractThe wavelength‐ and polarization‐selective Bragg reflection of visible light exhibited by films produced by drying cholesteric liquid crystal (CLC) suspensions of cellulose nanocrystals (CNCs) render these biosourced nanoparticles highly potent for many optical applications. While the conventionally produced films are flat, the CLC‐derived helical CNC arrangement would acquire new powerful features if given spherical curvature. Drying CNC suspension droplets does not work, because the onset of kinetic arrest in droplets of anisotropic colloids leads to severe buckling and loss of spher
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16

Sadjadi, S., Heravi; Majid M, and Kahangi F. Ghoreyshi. "Salep as a biological source for the synthesis of biochar with utility for the catalysis." Applied Organometallic Chemistry 33, no. 8 (2019). https://doi.org/10.1002/aoc.4990.

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Hydrothermal carbonization of salep as a domestic biosource was carried out to afford a biochar, BC, with exceptional catalytic activity. BC can be further magnetized by incorporation of magnetic nanoparticles to furnish a magnetic catalyst, BC-Fe, with improved recovery and recyclability for the hydrogenation of nitroarenes in the absence of any precious metal. BC-Fe was also applied as a catalyst support for the immobilization of Pd nanoparticles and development of an efficient, biocompatible and cost-effective catalyst, Pd@BC-Fe, with utility for the oxidation of benzyl alcohols under mild
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17

Sencan, Aziz, Semra Kilic, and Havva Kaya. "Stimulating effect of biogenic nanoparticles on the germination of basil (Ocimum basilicum L.) seeds." Scientific Reports 14, no. 1 (2024). http://dx.doi.org/10.1038/s41598-023-50654-8.

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AbstractMetal nanoparticles synthesized using various biosources are the subject of focus in many research areas thanks to their improved biological effects and increased bioavailability. Silver (Ag), zinc oxide (ZnO) and magnetite (Fe3O4) nanoparticles (NPs) were obtained by using low-cost, low-energy, environmentally friendly, non-toxic chemicals and easily accessible thyme leaves and lavender flowers. The effects of various concentrations of biosynthesized NPs on the germination and germination index of basil seeds were defined comparatively. Phytochemicals in lavender flower extract acted
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18

Braish, Amany G., Asaad F. Hassan, Shimaa A. El-Essawy, and Mohsen M. T. El-Tahawy. "Fabrication of nanozeolite-Y/chitosan composite based on rice husks for efficient adsorption of methylene blue dye: kinetic and thermodynamic studies." Adsorption, September 2, 2024. http://dx.doi.org/10.1007/s10450-024-00527-x.

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AbstractIn this work, three solid adsorbents were synthesized, namely, nanozeolite-Y prepared from rice husks ash by a sol-gel method as a green biosource (ZN), chitosan as a cationic biopolymer (CS), and nanozeolite-Y/chitosan composite (CSZ). An eco-friendly composite that consists of chitosan and nanozeolite-Y was used to combine the advantages of nanoparticles with biopolymers two materials to increase the removal % of methylene blue dye. All the synthetized solid adsorbents were investigated using TGA, nitrogen adsorption, SEM, TEM, FTIR, XRD, and zeta potential. The results showed that C
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