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Search for "zinc oxide nanoparticles" in Full Text gives 19 result(s) in Beilstein Journal of Nanotechnology.

Assessing phytotoxicity and tolerance levels of ZnO nanoparticles on Raphanus sativus: implications for widespread adoptions

  • Pathirannahalage Sahan Samuditha,
  • Nadeesh Madusanka Adassooriya and
  • Nazeera Salim

Beilstein J. Nanotechnol. 2024, 15, 115–125, doi:10.3762/bjnano.15.11

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  • Lanka 10.3762/bjnano.15.11 Abstract The escalating release of zinc oxide nanoparticles (ZnO NPs) into the environment poses a substantial threat, potentially leading to increased concentrations of zinc (Zn) in the soil and subsequent phytotoxic effects. This study aimed to assess the effects of ZnO NPs
  • , which may be top-down or bottom-up approaches, has facilitated the synthesis of nanoparticles of differing shapes, sizes and properties [11]. When considering zinc oxide nanoparticles (ZnO NPs) in particular, their low toxicity, high biocompatibility, and low cost [12] have enabled them to be applied as
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Published 23 Jan 2024

A visible-light photodetector based on heterojunctions between CuO nanoparticles and ZnO nanorods

  • Doan Nhat Giang,
  • Nhat Minh Nguyen,
  • Duc Anh Ngo,
  • Thanh Trang Tran,
  • Le Thai Duy,
  • Cong Khanh Tran,
  • Thi Thanh Van Tran,
  • Phan Phuong Ha La and
  • Vinh Quang Dang

Beilstein J. Nanotechnol. 2023, 14, 1018–1027, doi:10.3762/bjnano.14.84

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  • studied and optimized to achieve higher performance and to reduce response and decay times in the future. Experimental Materials The chemical materials used in this report were zinc oxide nanoparticles (ZnO NPs, 99%, Sigma-Aldrich Chemistry), hexamethylenetetramine (HTMA, 99%, C6H12N4, Xilong Scientific
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Published 13 Oct 2023

Batch preparation of nanofibers containing nanoparticles by an electrospinning device with multiple air inlets

  • Dong Wei,
  • Chengwei Ye,
  • Adnan Ahmed and
  • Lan Xu

Beilstein J. Nanotechnol. 2023, 14, 141–150, doi:10.3762/bjnano.14.15

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  • addition, experiments and theoretical analysis were used to discuss the spinning mechanism of this new device for the batch preparation of nanofibers, and the optimal spinning parameters were determined. Materials and Methods Materials Polyacrylonitrile (PAN, average molecular weight 15000) and zinc oxide
  • nanoparticles (ZnO, purity 99.7%, spherical particles with an average diameter of 50 nm) were supplied by Shanghai Sinopharm Chemical Reagent Co., LTD. N,N-Dimethylformamide (DMF) was purchased from Shanghai Lingfeng Chemical Reagent Co., LTD. All materials are analytical grade and can be used without
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Published 23 Jan 2023

Green synthesis of zinc oxide nanoparticles toward highly efficient photocatalysis and antibacterial application

  • Vo Thi Thu Nhu,
  • Nguyen Duy Dat,
  • Le-Minh Tam and
  • Nguyen Hoang Phuong

Beilstein J. Nanotechnol. 2022, 13, 1108–1119, doi:10.3762/bjnano.13.94

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  • , Vietnam 10.3762/bjnano.13.94 Abstract Zinc oxide nanoparticles (ZnO NPs) were successfully synthesized by a green method using rosin and zinc chloride as salt precursors. The phase structure, morphology, and particle size of ZnO were determined by X-ray powder diffraction, field emission scanning
  • (0.06 µS/cm). Escherichia coli (E. coli VTCC-B-482) was used for the antibacterial experiments and purchased from the Hanoi National University. Preparation of zinc oxide nanoparticles by green syntheses The ZnO NPs were synthesized by two steps. Firstly, the saponification reaction of rosin was
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Published 07 Oct 2022

The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles

  • Nabojit Das,
  • Akash Kumar and
  • Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69

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  • successful use in biological milieus. Recent studies indicated that the green synthesis of nanoparticles, such as zinc oxide nanoparticles and bimetallic copper–silver and nickel–cobalt nanoparticles, is preferred for catalytic, antibacterial, and therapeutic applications [12][13][14]. Several other
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Published 18 Aug 2021

Photoactive nanoarchitectures based on clays incorporating TiO2 and ZnO nanoparticles

  • Eduardo Ruiz-Hitzky,
  • Pilar Aranda,
  • Marwa Akkari,
  • Nithima Khaorapapong and
  • Makoto Ogawa

Beilstein J. Nanotechnol. 2019, 10, 1140–1156, doi:10.3762/bjnano.10.114

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  • dioxide and zinc oxide nanoparticles with clay minerals to give diverse clay–semiconductor nanoarchitectures are summarized and critically discussed in this review article. The possibility to use clay minerals as starting components showing different morphologies, such as layered, fibrous, or tubular
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Published 31 May 2019

Fabrication of photothermally active poly(vinyl alcohol) films with gold nanostars for antibacterial applications

  • Mykola Borzenkov,
  • Maria Moros,
  • Claudia Tortiglione,
  • Serena Bertoldi,
  • Nicola Contessi,
  • Silvia Faré,
  • Angelo Taglietti,
  • Agnese D’Agostino,
  • Piersandro Pallavicini,
  • Maddalena Collini and
  • Giuseppe Chirico

Beilstein J. Nanotechnol. 2018, 9, 2040–2048, doi:10.3762/bjnano.9.193

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  • studies have reported the preparation and the antibacterial efficacy of PVA films containing plant extracts, silver nanoparticles or zinc oxide nanoparticles [17][18][19][20][21][22]. However, when bacteria start to form biofilms they become resistant and conventional antibiotics do not eradicate biofilms
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Published 23 Jul 2018

Nitrogen-doped carbon nanotubes coated with zinc oxide nanoparticles as sulfur encapsulator for high-performance lithium/sulfur batteries

  • Yan Zhao,
  • Zhengjun Liu,
  • Liancheng Sun,
  • Yongguang Zhang,
  • Yuting Feng,
  • Xin Wang,
  • Indira Kurmanbayeva and
  • Zhumabay Bakenov

Beilstein J. Nanotechnol. 2018, 9, 1677–1685, doi:10.3762/bjnano.9.159

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  • carbon nanotubes coated with zinc oxide nanoparticles (ZnO@NCNT) were prepared via a sol–gel route as sulfur encapsulator for lithium/sulfur (Li/S) batteries. The electrochemical properties of the S/ZnO@NCNT composite cathode were evaluated in Li/S batteries. It delivered an initial capacity of 1032
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Published 06 Jun 2018

Microwave solvothermal synthesis and characterization of manganese-doped ZnO nanoparticles

  • Jacek Wojnarowicz,
  • Roman Mukhovskyi,
  • Elzbieta Pietrzykowska,
  • Sylwia Kusnieruk,
  • Jan Mizeracki and
  • Witold Lojkowski

Beilstein J. Nanotechnol. 2016, 7, 721–732, doi:10.3762/bjnano.7.64

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  • 141, 02-507 Warsaw, Poland 10.3762/bjnano.7.64 Abstract Mn-doped zinc oxide nanoparticles were prepared by using the microwave solvothermal synthesis (MSS) technique. The nanoparticles were produced from a solution of zinc acetate dihydrate and manganese(II) acetate tetrahydrate using ethylene glycol
  • -doped zinc oxide nanoparticles; microwave solvothermal synthesis (MSS); characterization techniques of nanomaterials; physical properties of Mn2+-doped ZnO nanoparticles; Introduction Nanotechnology has triggered a new global industrial revolution of the 21st century [1]. At present it is the leading
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Published 19 May 2016

Influence of surface chemical properties on the toxicity of engineered zinc oxide nanoparticles to embryonic zebrafish

  • Zitao Zhou,
  • Jino Son,
  • Bryan Harper,
  • Zheng Zhou and
  • Stacey Harper

Beilstein J. Nanotechnol. 2015, 6, 1568–1579, doi:10.3762/bjnano.6.160

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  • States Oregon Nanoscience and Microtechnologies Institute, Eugene, Oregon, United States 10.3762/bjnano.6.160 Abstract Zinc oxide nanoparticles (ZnO NPs) are widely used in a variety of products, thus understanding their health and environmental impacts is necessary to appropriately manage their risks
  • was found to be 0.702. Description of zinc oxide nanoparticles included in this study (17 in total). Intrinsic properties of different surface chemistries. Rotation of PCA (weighting of each property). Supporting Information Supporting Information File 27: Zebrafish malformation and behavioral data
  • estimation; modelling; nanomaterials; nanotechnology; toxicology; Introduction Accelerated advancements in nanotechnology and nanoscience have found applications in a variety of scientific fields, leading to a rapid increase in the types of engineered nanoparticles on the market. In particular, zinc oxide
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Published 20 Jul 2015

Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

  • Shawn Sanctis,
  • Rudolf C. Hoffmann,
  • Sabine Eiben and
  • Jörg J. Schneider

Beilstein J. Nanotechnol. 2015, 6, 785–791, doi:10.3762/bjnano.6.81

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  • using a methanolic solution of zinc complex as a zinc source and polyvinylpyrrolidone (PVP) as a growth inhibiting and stabilizing agent for the zinc oxide nanoparticles. PVP has been reported to have a higher efficiency in suppressing the growth of zinc oxide during its formation, in comparison to
  • HRTEM investigations of the as-synthesized particles formed from the precursor solution, which yield stable zinc oxide nanoparticles (Figure 2a). TEM also indicates the successful formation of ZnO nanocrystals in solution after the completion of the microwave irradiation process. Grazing incidence X-ray
  • procedure. Once the reliable microwave conditions of the virus attachment and the retention of its structural integrity were confirmed, the virus-coated substrates were immersed in the reaction solution which then leads to the mineralization of the zinc oxide nanoparticles onto the virus template. Such
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Published 20 Mar 2015

Novel ZnO:Ag nanocomposites induce significant oxidative stress in human fibroblast malignant melanoma (Ht144) cells

  • Syeda Arooj,
  • Samina Nazir,
  • Akhtar Nadhman,
  • Nafees Ahmad,
  • Bakhtiar Muhammad,
  • Ishaq Ahmad,
  • Kehkashan Mazhar and
  • Rashda Abbasi

Beilstein J. Nanotechnol. 2015, 6, 570–582, doi:10.3762/bjnano.6.59

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  • in the light source used, the percentage of Ag content or the cellular model used. Sharma et al. [32] reported zinc oxide nanoparticles with different formulations (0.1, 0.2, 0.3 and 0.4%) of Ag (size range: 23–59 nm) for their antibacterial activity and Shah et al. [33] reported that ZnO nanorods
  • the samples exposed to the different light conditions. Obtained results were considered significant when p < 0.05. SEM images of the different zinc oxide nanoparticles. (a) ZnO, (b) ZnO:Ag (1%), (c) ZnO:Ag (3%), (d) ZnO:Ag (5%), (e) ZnO:Ag (10%), (f) ZnO:Ag (20%), and (g) ZnO:Ag (30%). XRD patterns of
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Published 26 Feb 2015

Overview about the localization of nanoparticles in tissue and cellular context by different imaging techniques

  • Anja Ostrowski,
  • Daniel Nordmeyer,
  • Alexander Boreham,
  • Cornelia Holzhausen,
  • Lars Mundhenk,
  • Christina Graf,
  • Martina C. Meinke,
  • Annika Vogt,
  • Sabrina Hadam,
  • Jürgen Lademann,
  • Eckart Rühl,
  • Ulrike Alexiev and
  • Achim D. Gruber

Beilstein J. Nanotechnol. 2015, 6, 263–280, doi:10.3762/bjnano.6.25

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  • resolution STXM image analysis revealed single particles within the superficial layer of the stratum corneum [151]. A combination of STXM with X-ray fluorescence (XRF) microprobe has been used to study the fate of zinc oxide nanoparticles in vitro. Thereby, microfocused XRF elemental mapping yielded the
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Published 23 Jan 2015

Synthesis and characterization of fluorescence-labelled silica core-shell and noble metal-decorated ceria nanoparticles

  • Rudolf Herrmann,
  • Markus Rennhak and
  • Armin Reller

Beilstein J. Nanotechnol. 2014, 5, 2413–2423, doi:10.3762/bjnano.5.251

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  • well as to coated titania [1] and zinc oxide nanoparticles [2]. For experiments where several cell organelles are stained and detected in different ranges of fluorescence emission (channels), dyes with single sharp emission peaks are desirable. We therefore changed the dye for our experiments with
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Published 16 Dec 2014

Interaction of dermatologically relevant nanoparticles with skin cells and skin

  • Annika Vogt,
  • Fiorenza Rancan,
  • Sebastian Ahlberg,
  • Berouz Nazemi,
  • Chun Sik Choe,
  • Maxim E. Darvin,
  • Sabrina Hadam,
  • Ulrike Blume-Peytavi,
  • Kateryna Loza,
  • Jörg Diendorf,
  • Matthias Epple,
  • Christina Graf,
  • Eckart Rühl,
  • Martina C. Meinke and
  • Jürgen Lademann

Beilstein J. Nanotechnol. 2014, 5, 2363–2373, doi:10.3762/bjnano.5.245

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  • DNA damage and apoptosis were detected in human skin epidermal cells after exposure to nickel nanoparticles [42]. Phototoxicity of zinc oxide nanoparticles induced the generation of oxidative DNA damage during UVA and visible light irradiation in keratinocytes [43]. Oxidative stress and skin cell
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Published 08 Dec 2014

Rapid degradation of zinc oxide nanoparticles by phosphate ions

  • Rudolf Herrmann,
  • F. Javier García-García and
  • Armin Reller

Beilstein J. Nanotechnol. 2014, 5, 2007–2015, doi:10.3762/bjnano.5.209

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  • account when assessing the biological effects or the toxicology of zinc oxide nanoparticles. Keywords: degradation; phosphate; silica shell; zinc oxide nanoparticles; zinc phosphate; Introduction Crystalline nanoparticles of the semiconductor zinc oxide (ZnO-NP) show a broad fluorescence band in the
  • . Reaction of ZnO-NP with phosphate Buffer solutions of the Sørensen type were used at pH 7.0 with 100 mg/L phosphate (buffer A) and 2000 mg/L (buffer B). In addition, a solution of 2000 mg/L of disodium β-glycerophosphate pentahydrate (99.0%, Calbiochem) was used for comparison. Zinc oxide nanoparticles
  • 50 nm. SiO2-coated labelled ZnO-NP (sample 4; shell thickness 3–6 nm) before (left; scale bar 20 nm) and after (right; scale bar 50 nm) 24 h degradation reaction with buffer B. Molar ratio P/Zn after one hour or one day of action by buffer solution at pH 7.0 on zinc oxide nanoparticles („+“: with
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Published 05 Nov 2014

Effects of palladium on the optical and hydrogen sensing characteristics of Pd-doped ZnO nanoparticles

  • Anh-Thu Thi Do,
  • Hong Thai Giang,
  • Thu Thi Do,
  • Ngan Quang Pham and
  • Giang Truong Ho

Beilstein J. Nanotechnol. 2014, 5, 1261–1267, doi:10.3762/bjnano.5.140

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  • of zinc oxide nanoparticles on the photoluminescence (PL) properties and hydrogen sensing characteristics of gas sensors is investigated. The PL intensity shows that the carrier dynamics coincides with the buildup of the Pd-related green emission. The comparison between the deep level emission and
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Published 13 Aug 2014

Preparation of poly(N-vinylpyrrolidone)-stabilized ZnO colloid nanoparticles

  • Tatyana Gutul,
  • Emil Rusu,
  • Nadejda Condur,
  • Veaceslav Ursaki,
  • Evgenii Goncearenco and
  • Paulina Vlazan

Beilstein J. Nanotechnol. 2014, 5, 402–406, doi:10.3762/bjnano.5.47

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  • occurrence of covalent bonds of PVP with ZnO nanoparticles. Thus, our FTIR studies show that chemical reaction occur between the zinc oxide nanoparticles and polymeric stabilizer, by coordination of the zinc oxide particles with the nitrogen and oxygen atoms in PVP, as evidenced in [24]. Conclusion The usage
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Published 03 Apr 2014

Modulation of defect-mediated energy transfer from ZnO nanoparticles for the photocatalytic degradation of bilirubin

  • Tanujjal Bora,
  • Karthik K. Lakshman,
  • Soumik Sarkar,
  • Abhinandan Makhal,
  • Samim Sardar,
  • Samir K. Pal and
  • Joydeep Dutta

Beilstein J. Nanotechnol. 2013, 4, 714–725, doi:10.3762/bjnano.4.81

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  • ; Förster resonance energy transfer (FRET); neonatal jaundice; oxygen vacancy; photocatalysis; phototherapy; zinc oxide nanoparticles; Introduction Bilirubin (BR) is a yellow-orange pigment which is a byproduct of the normal heme catabolism in mammals. In the human body, 250–400 mg BR is produced every day
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Published 04 Nov 2013
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