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Search for "metallic nanoparticles" in Full Text gives 100 result(s) in Beilstein Journal of Nanotechnology.

Synthetic-polymer-assisted antisense oligonucleotide delivery: targeted approaches for precision disease treatment

  • Ana Cubillo Alvarez,
  • Dylan Maguire and
  • Ruairí P. Brannigan

Beilstein J. Nanotechnol. 2025, 16, 435–463, doi:10.3762/bjnano.16.34

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Published 27 Mar 2025

ReactorAFM/STM – dynamic reactions on surfaces at elevated temperature and atmospheric pressure

  • Tycho Roorda,
  • Hamed Achour,
  • Matthijs A. van Spronsen,
  • Marta E. Cañas-Ventura,
  • Sander B. Roobol,
  • Willem Onderwaater,
  • Mirthe Bergman,
  • Peter van der Tuijn,
  • Gertjan van Baarle,
  • Johan W. Bakker,
  • Joost W. M. Frenken and
  • Irene M. N. Groot

Beilstein J. Nanotechnol. 2025, 16, 397–406, doi:10.3762/bjnano.16.30

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  • , exploring the effects of varying support thicknesses and materials, as well as size distributions of metallic nanoparticles, and identifying which product gases are favored under specific reaction conditions, could extend our understanding of FTS. Schematic overview of the experimental setup (left side) and
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Published 21 Mar 2025

Liver-targeting iron oxide nanoparticles and their complexes with plant extracts for biocompatibility

  • Shushanik A. Kazaryan,
  • Seda A. Oganian,
  • Gayane S. Vardanyan,
  • Anatolie S. Sidorenko and
  • Ashkhen A. Hovhannisyan

Beilstein J. Nanotechnol. 2024, 15, 1593–1602, doi:10.3762/bjnano.15.125

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  • tissue barriers all give iron oxide MNPs an advantage over other metallic nanoparticles. Because of their small size, nanoparticles have a high surface-to-volume ratio, making them more appealing. However, since the large surface area provides numerous active sites for interactions, it can also lead to
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Published 11 Dec 2024

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

  • Matheus Alves Siqueira de Assunção,
  • Douglas Dourado,
  • Daiane Rodrigues dos Santos,
  • Gabriel Bezerra Faierstein,
  • Mara Elga Medeiros Braga,
  • Severino Alves Junior,
  • Rosângela Maria Rodrigues Barbosa,
  • Herminio José Cipriano de Sousa and
  • Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

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  • characteristics such as greater absorption capacity, greater bioavailability, controlled release of active ingredients, improved solubility of hydrophobic substances in water, and good kinetic stability [12][13][14]. Metallic nanoparticles have been investigated as a promising approach for vector control. The
  • . aegypti and their potential role for the control and prevention of arboviruses are presented. Finally, ecotoxicity and environmental risk assessment of AgNPs are further discussed. Review Synthesis of silver nanoparticles AgNPs are metallic nanoparticles in a size range between 1 and 100 nm with unique
  • on naturally occurring biomaterials have been used as an alternative to obtain metallic nanoparticles [32][33]. These do not involve any toxic chemicals and require less energy and synthesis time. Simple protocols have been used involving the reduction of metal ions using biological extracts as
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Published 04 Dec 2024

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

  • Aram Shirinyan and
  • Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

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Published 21 Nov 2024

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

  • Akash Kumar and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

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  • metallic nanoparticles such as gold and silver [35]. The length of the gold nanorods influences the LSPR [36]. The CTAB molecules on the shorter gold nanorods (20.8 ± 9.5 nm) are densely packed compared to longer nanorods (36.5 ± 7.3 nm). The high curvature of the nanorods leads to enhanced stabilization
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Published 04 Nov 2024

Enhanced catalytic reduction through in situ synthesized gold nanoparticles embedded in glucosamine/alginate nanocomposites

  • Chi-Hien Dang,
  • Le-Kim-Thuy Nguyen,
  • Minh-Trong Tran,
  • Van-Dung Le,
  • Nguyen Minh Ty,
  • T. Ngoc Han Pham,
  • Hieu Vu-Quang,
  • Tran Thi Kim Chi,
  • Tran Thi Huong Giang,
  • Nguyen Thi Thanh Tu and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1227–1237, doi:10.3762/bjnano.15.99

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  • particular, have demonstrated significant control over the nucleation and growth of metallic nanoparticles. Utilizing polysaccharide-mediated procedures for AuNP synthesis offers several advantages over conventional methods, including cost-effectiveness, energy efficiency, low toxicity, and eco-friendliness
  • (e.g., glucose, fructose, and glucosamine (GluN)) for the in situ synthesis of metallic nanoparticles onto alginate-based nanogels remains unexplored. Toxic organic dyes, including nitrophenols and methyl orange (MO), pose a significant environmental threat because of their persistence in water. This
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Published 04 Oct 2024

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

  • André F. Lima,
  • Giselle Z. Justo and
  • Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

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  • functionalized to bind to target receptors without interference from nonspecific protein interactions. Figure 2A, 2C, and 2D were adapted from [58]. (“Biomolecular interactions of ultrasmall metallic nanoparticles and nanoclusters“, © 2021 Alioscka A. Sousa et al., published by the Royal Society of Chemistry
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Published 30 Sep 2024

Direct electron beam writing of silver using a β-diketonate precursor: first insights

  • Katja Höflich,
  • Krzysztof Maćkosz,
  • Chinmai S. Jureddy,
  • Aleksei Tsarapkin and
  • Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

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  • . Compared to the typically obtained granular structure of metallic nanoparticles in a carbonaceous matrix, the deposit composition and chemistry evolution are unexpected. The resulting deposit exhibits a carbon-rich body with a surface decorated with silver nanoparticles and an interfacial layer of
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Published 26 Aug 2024

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

  • Shakhzodjon Uzokboev,
  • Khojimukhammad Akhmadbekov,
  • Ra’no Nuritdinova,
  • Salah M. Tawfik and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

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  • ]. This property allows the alginate-based nanoparticles to effectively bind and detect heavy metal ions present in water systems. The synthesis of alginate-based nanoparticles for metal sensing involves the incorporation of metallic nanoparticles, such as silver nanoparticles or zinc oxide nanoparticles
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Published 22 Aug 2024

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

  • Theo Fromme,
  • Sven Reichenberger,
  • Katharine M. Tibbetts and
  • Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

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  • % for gold [68][69] to a completely oxidized bulk volume, for example, for nickel [70]. In contrast, laser reduction in water leads to the reduction of metal salts and, thus, to the nucleation of metallic nanoparticles [36][71]. Hence, water acts as an oxidizing agent in the context of LAL, LFL, and LML
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Published 05 Jun 2024

Curcumin-loaded nanostructured systems for treatment of leishmaniasis: a review

  • Douglas Dourado,
  • Thayse Silva Medeiros,
  • Éverton do Nascimento Alencar,
  • Edijane Matos Sales and
  • Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 37–50, doi:10.3762/bjnano.15.4

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  • , lipid nanoparticles, nano- and microemulsions, liposomes, or metallic nanoparticles [68]. Costa-Lima and colleagues incorporated bisnaphthalimidopropyldiaaminooctane (BNIPDaoct) into PLGA polymeric nanoparticles and obtained particles with sizes around 150 nm, with encapsulation efficiency around 90
  • (SNEDDSs), (ii) nanoliposomes, (iii) nanostructured lipid carriers, (iv) polymeric, and (v) metallic nanoparticles. Different performances of nanostructured systems containing curc are discussed in the section below. Self-nanoemulsifying drug-delivery systems The SNEDDSs are lipid-based drug-delivery
  • nanostructured systems that promote increased leishmanicidal activity and can encapsulate curc as a therapeutic alternative for the treatment of leishmaniasis. Metallic nanoparticles Metallic nanoparticles (MNPs) are versatile nanostructures due to their tunability in shape, composition, size, structure
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Published 04 Jan 2024

Nanotechnological approaches in the treatment of schistosomiasis: an overview

  • Lucas Carvalho,
  • Michelle Sarcinelli and
  • Beatriz Patrício

Beilstein J. Nanotechnol. 2024, 15, 13–25, doi:10.3762/bjnano.15.2

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  • schistosomiasis due to their characteristics as drug carriers [10], metal nanoparticles usually present intrinsic action even when not loaded with drugs. Works with other parasites suggest that metallic nanoparticles may affect enzyme activity necessary to the physiology and production of the tegument [26
  • ]. Therefore, metallic nanoparticles also have a curative role against schistosomiasis. A possible explanation for this action was suggested by Dkhil et al. in their work with gold nanoparticles [27]. They suggested that their curative effects are due to antioxidant properties which confer the ability to
  • than that for conventional PZQ. Other works do not address effectiveness tests because they evaluate the impact of nanosystems in physiological/pathological changes caused by S. mansoni. Dkhil et al. [32] showed that metallic nanoparticles could decrease all intestinal changes caused by the parasite
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Published 03 Jan 2024

Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity

  • Nguyen Thi Thanh Tu,
  • T. Lan-Anh Vo,
  • T. Thu-Trang Ho,
  • Kim-Phuong T. Dang,
  • Van-Dung Le,
  • Phan Nhat Minh,
  • Chi-Hien Dang,
  • Vinh-Thien Tran,
  • Van-Su Dang,
  • Tran Thi Kim Chi,
  • Hieu Vu-Quang,
  • Radek Fajgar,
  • Thi-Lan-Huong Nguyen,
  • Van-Dat Doan and
  • Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64

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  • have shown significant improvement in stabilization because of the hydroxy groups in the sugar molecules of the polysaccharide chain, which can form strong associations with AgNPs [13][14][15]. Previous studies have reported that metallic nanoparticles can be easily incorporated into polysaccharides by
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Published 04 Jul 2023

SERS performance of GaN/Ag substrates fabricated by Ag coating of GaN platforms

  • Magdalena A. Zając,
  • Bogusław Budner,
  • Malwina Liszewska,
  • Bartosz Bartosewicz,
  • Łukasz Gutowski,
  • Jan L. Weyher and
  • Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 552–564, doi:10.3762/bjnano.14.46

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  • ][22]. Due to the easiness of fabrication, the most extensively studied SERS substrates are those based on metallic nanoparticles and their assemblies [21][22]. Among SERS substrates fabricated using physical methods of particular interest are those based on nanostructured GaN platforms coated with
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Published 03 May 2023

Plasmonic nanotechnology for photothermal applications – an evaluation

  • A. R. Indhu,
  • L. Keerthana and
  • Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

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  • Plasmonically active nanomaterials for PT applications 4.1 PT performance of metal nanoparticles Metallic nanoparticles are a dominant group of elements for PT research. The calculations of different optical cross sections, namely absorption, scattering, and extinction allow for the prediction of the ideal
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Published 27 Mar 2023

Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

  • Mykhailo Nahorniak,
  • Pamela Pasetto,
  • Jean-Marc Greneche,
  • Volodymyr Samaryk,
  • Sandy Auguste,
  • Anthony Rousseau,
  • Nataliya Nosova and
  • Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

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  • chemical and physical properties. One such area is biomedicine [1]. Especially iron oxide-based nanoparticles, due to their biodegradation, low toxicity, and enhanced oxidative resistance compared to metallic nanoparticles, show high potential in biomedical applications [2][3][4]. Up to now, iron oxide
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Published 03 Jan 2023

Bioselectivity of silk protein-based materials and their bio-inspired applications

  • Hendrik Bargel,
  • Vanessa T. Trossmann,
  • Christoph Sommer and
  • Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

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Published 08 Sep 2022

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

  • Ioana Marica,
  • Fran Nekvapil,
  • Maria Ștefan,
  • Cosmin Farcău and
  • Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

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  • morphologies that can be used in combination with noble metals, but also its biocompatibility, photocatalytic self-cleaning capability, and high chemical stability. The SERS effect occurs through the electromagnetic enhancement from the excitation of plasmon resonances in metallic nanoparticles and the
  • applications for optoelectronic devices, namely light-emitting diodes for both UV and visible light [89]. Also, the combination with metallic nanoparticles has been proposed for enhanced UV light-emitting diodes [90]. Another significant application of ZnO-based substrates is to boost the performance of dye
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Published 27 May 2022

Silver nanoparticles nucleated in NaOH-treated halloysite: a potential antimicrobial material

  • Yuri B. Matos,
  • Rodrigo S. Romanus,
  • Mattheus Torquato,
  • Edgar H. de Souza,
  • Rodrigo L. Villanova,
  • Marlene Soares and
  • Emilson R. Viana

Beilstein J. Nanotechnol. 2021, 12, 798–807, doi:10.3762/bjnano.12.63

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  • of the top ten threats to public health [1]. Antimicrobial nanomaterials are one of the most promising antibiotic-free alternatives for many applications. Among them are metallic nanoparticles, which could be potent inorganic antimicrobial agents through ion release and the capability to rupture the
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Published 05 Aug 2021

A review on nanostructured silver as a basic ingredient in medicine: physicochemical parameters and characterization

  • Gabriel M. Misirli,
  • Kishore Sridharan and
  • Shirley M. P. Abrantes

Beilstein J. Nanotechnol. 2021, 12, 440–461, doi:10.3762/bjnano.12.36

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  • –NIR absorption spectroscopy: Metallic nanoparticles are known to emit characteristic colors in the visible region of the electromagnetic spectrum due to a phenomenon known as surface plasmon resonance. The color of a colloidal nanoparticle solution is mainly dependent on the size and shape of the
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Published 14 May 2021

Free and partially encapsulated manganese ferrite nanoparticles in multiwall carbon nanotubes

  • Saja Al-Khabouri,
  • Salim Al-Harthi,
  • Toru Maekawa,
  • Mohamed E. Elzain,
  • Ashraf Al-Hinai,
  • Ahmed D. Al-Rawas,
  • Abbsher M. Gismelseed,
  • Ali A. Yousif and
  • Myo Tay Zar Myint

Beilstein J. Nanotechnol. 2020, 11, 1891–1904, doi:10.3762/bjnano.11.170

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  • ferrite nanoparticles in comparison to free manganese ferrite nanoparticles, which leads to an enhancement of the metallic properties. Keywords: carbon nanotubes; charge transfer; manganese ferrite; metallic nanoparticles; partial encapsulation; stress; surface; Introduction Since the discovery of
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Published 29 Dec 2020

Optically and electrically driven nanoantennas

  • Monika Fleischer,
  • Dai Zhang and
  • Alfred J. Meixner

Beilstein J. Nanotechnol. 2020, 11, 1542–1545, doi:10.3762/bjnano.11.136

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  • ultrahigh sensitivity sensing the central feature for tightly confining and enhancing the optical near-field is a narrow gap between two metallic nanoparticles or tips. Creating such gaps to obtain a controlled distribution of hotspots, for example, on a chip, is no trivial task. This has been pursued using
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Published 07 Oct 2020

Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action

  • Matías Guerrero Correa,
  • Fernanda B. Martínez,
  • Cristian Patiño Vidal,
  • Camilo Streitt,
  • Juan Escrig and
  • Carol Lopez de Dicastillo

Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129

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  • . Keywords: antimicrobial mechanism; antimicrobial nanoparticles; metallic nanoparticles; nanoparticle synthesis; nosocomial infections; Review Introduction In the last decades, the search for new antimicrobial substances against microbial contamination has been the focus of many research fields, in public
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Published 25 Sep 2020

Highly sensitive detection of estradiol by a SERS sensor based on TiO2 covered with gold nanoparticles

  • Andrea Brognara,
  • Ili F. Mohamad Ali Nasri,
  • Beatrice R. Bricchi,
  • Andrea Li Bassi,
  • Caroline Gauchotte-Lindsay,
  • Matteo Ghidelli and
  • Nathalie Lidgi-Guigui

Beilstein J. Nanotechnol. 2020, 11, 1026–1035, doi:10.3762/bjnano.11.87

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  • water. SERS is mainly based on an electromagnetic effect that originates from the excitation of plasmon resonances, in particular of localized surface plasmons (LSPs) in metallic nanoparticles (NPs). Other effects may contribute to the enhancement such as the formation of hot spots or lightning rod
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Published 14 Jul 2020
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