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Search for "additives" in Full Text gives 148 result(s) in Beilstein Journal of Nanotechnology.

CdSe/ZnS quantum dots as a booster in the active layer of distributed ternary organic photovoltaics

  • Gabriela Lewińska,
  • Piotr Jeleń,
  • Zofia Kucia,
  • Maciej Sitarz,
  • Łukasz Walczak,
  • Bartłomiej Szafraniak,
  • Jerzy Sanetra and
  • Konstanty W. Marszalek

Beilstein J. Nanotechnol. 2024, 15, 144–156, doi:10.3762/bjnano.15.14

Graphical Abstract
  • wavelengths. The maximum refractive indices values for layers with QDs were lower than those for pure P3HT:PC71BM. An increase in the roughness of the active layers with additives used in ternary solar cells was determined using surface morphology studies. The HOMO and LUMO levels of the studied nanodots were
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Published 02 Feb 2024

Study of the reusability and stability of nylon nanofibres as an antibody immobilisation surface

  • Inés Peraile,
  • Matilde Gil-García,
  • Laura González-López,
  • Nushin A. Dabbagh-Escalante,
  • Juan C. Cabria-Ramos and
  • Paloma Lorenzo-Lozano

Beilstein J. Nanotechnol. 2024, 15, 83–94, doi:10.3762/bjnano.15.8

Graphical Abstract
  • surrogate. FITC-labelled sheep polyclonal antibody against BSA was purchased from Thermo Fisher Scientific Inc. The blocking buffer was phosphate-buffered saline (PBS) with casein (Pierce). Solvents and additives were purchased from Aldrich (Spain). PBS was purchased from Fisher Scientific. Nanofiber
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Published 15 Jan 2024

Fluorescent bioinspired albumin/polydopamine nanoparticles and their interactions with Escherichia coli cells

  • Eloïse Equy,
  • Jordana Hirtzel,
  • Sophie Hellé,
  • Béatrice Heurtault,
  • Eric Mathieu,
  • Morgane Rabineau,
  • Vincent Ball and
  • Lydie Ploux

Beilstein J. Nanotechnol. 2023, 14, 1208–1224, doi:10.3762/bjnano.14.100

Graphical Abstract
  • ]. These properties can even be controlled by an external signal [17][18][19]. PDA NPs are formed upon oxidation in dopamine (DA) solutions with additives such as surfactants, polyelectrolytes, and proteins [14]. Eumelanin-like NPs with a diameter less than 20 nm have been obtained by this method. The
  • aromatic ring of dopamine (Figure 1c). For this, K and E residues must be next to each other. Even a single glycine residue (G) located between K and E can destabilize the aggregates [13]. Among such possible additives, the albumin protein is an interesting candidate since it contains one KE diad and is
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Published 22 Dec 2023

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

Graphical Abstract
  • antibacterial activity [38]. In this study, we prepared a nanocomposite, Lac/Alg, to stabilize AgNPs without any additives, utilizing lactose as a reducing agent. The resulting nanocomposite AgNPs@Lac/Alg was used for the catalytic degradation of toxic dyes and investigated regarding its pH-dependent
  • additives. The formation of AgNPs was confirmed by a change in the color of the colloidal solution. To find the optimal reaction conditions, the synthesis of the nanocomposite was carried out while varying the reaction conditions, such as temperature, reaction time, and ratio of Ag+ to blank composite
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Published 04 Jul 2023

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

  • Celia Martín-Morales,
  • Jorge Fernández-Méndez,
  • Pilar Aranda and
  • Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

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  • alginate of medium viscosity, CaCl2·2H2O (99%), medium molecular weight chitosan, and BG-11 culture medium have been purchased from Sigma-Aldrich. Protamine sulfate and PBS buffer (biochemistry grade) have been supplied by Thermo Scientific. Commercial food-grade apple juice (Granini) without additives has
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Published 25 Apr 2023

Evaluation of electrosynthesized reduced graphene oxide–Ni/Fe/Co-based (oxy)hydroxide catalysts towards the oxygen evolution reaction

  • Karolina Cysewska,
  • Marcin Łapiński,
  • Marcin Zając,
  • Jakub Karczewski,
  • Piotr Jasiński and
  • Sebastian Molin

Beilstein J. Nanotechnol. 2023, 14, 420–433, doi:10.3762/bjnano.14.34

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  • CoNiFe-GO were fabricated without any additives directly on the nickel foam substrate. A significant improvement of the OER activity was observed after combining NiFe with GO (OER overpotential η(10 mA·cm−2): 210 mV) compared to NiFe (η: 235 mV) and GO (η: 320 mV) alone. A different OER activity was
  • mainly on chemically synthesized catalysts, which usually required post-processing and some additives (e.g. Nafion) to form an ink to produce an OER electrode. This, in turn, significantly affects the final structure and electrocatalytic performance of the electrode. Therefore, in this work, the
  • additives that could interfere with the structural and electrochemical measurements. The effects of the addition of GO to NiFe and CoNiFe on their morphological, structural, and OER electrocatalytic properties were studied. The role of GO and metallic species in the OER electrocatalytic process is discussed
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Published 29 Mar 2023

Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities

  • Akif Hakan Kurt,
  • Elif Berna Olutas,
  • Fatma Avcioglu,
  • Hamza Karakuş,
  • Mehmet Ali Sungur,
  • Cansu Kara Oztabag and
  • Muhammet Yıldırım

Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31

Graphical Abstract
  • the direct interaction of Ag NPs with the cell lines was examined. In future studies, it will be valuable to examine the effect of additives that increase the stability of NPs and prevent their aggregation. Moreover, the antibacterial activity of synthesized nanoparticles, Ch/Q- and Ch/CA-Ag NPs, were
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Published 20 Mar 2023

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

  • Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

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  • is a promising antiviral drug for the treatment of COVID-19. However, this compound is poorly soluble in aqueous media and chemically unstable. In order to solve these problems, CyDs were employed as additives [105][106]. This is an extension of classical applications of CyD. Alternatively, the
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Published 09 Feb 2023

Single-step extraction of small-diameter single-walled carbon nanotubes in the presence of riboflavin

  • Polina M. Kalachikova,
  • Anastasia E. Goldt,
  • Eldar M. Khabushev,
  • Timofei V. Eremin,
  • Timofei S. Zatsepin,
  • Elena D. Obraztsova,
  • Konstantin V. Larionov,
  • Liubov Yu. Antipina,
  • Pavel B. Sorokin and
  • Albert G. Nasibulin

Beilstein J. Nanotechnol. 2022, 13, 1564–1571, doi:10.3762/bjnano.13.130

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  • -resolution imaging of specific tissues [29]. Notably, single-step extraction of carbon nanotubes in an aqueous media without surfactants or organic additives can significantly shorten the path from industrial or laboratory reactors to in vitro and in vivo biomedical research and further. Conclusion We
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Published 22 Dec 2022

Studies of probe tip materials by atomic force microscopy: a review

  • Ke Xu and
  • Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

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  • oligonucleotide polymorphism typing for early disease diagnosis. To achieve quantitative detection of pathogenic microorganisms and illegal additives in food, Huang et al. [55] established a method for quantitative detection of CAP by immunochromatographic techniques based on background fluorescent burst probes
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Published 03 Nov 2022

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

Graphical Abstract
  • distinguished according to their basic defense mechanism. These are (A) surface topography, which disturbs and inhibits the initial adhesion based on morphological features, (B) material modification, where intrinsic chemical and physical properties result in microbe-repellence, and (C) additives and coatings
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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

Graphical Abstract
  • photochemical reduction [32], pulsed laser-induced photolysis [38], or controlled decoration with Ag NPs using an electroless plating technique [44]. Photochemical synthesis permits the control of nucleation and growth rate without using organic additives. Xu et al. employed laser irradiation of ZnO nanorods in
  • main electromagnetic “hot spots” that generated enhanced Raman signal. An EF of 106–107 was obtained for rhodamine 6G peaks [34]. Shape-controlled nanostructured Au–ZnO substrates obtained by photochemical reduction using various additives presented variable SERS intensities for rhodamine 6G detection
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Published 27 May 2022

A non-enzymatic electrochemical hydrogen peroxide sensor based on copper oxide nanostructures

  • Irena Mihailova,
  • Vjaceslavs Gerbreders,
  • Marina Krasovska,
  • Eriks Sledevskis,
  • Valdis Mizers,
  • Andrejs Bulanovs and
  • Andrejs Ogurcovs

Beilstein J. Nanotechnol. 2022, 13, 424–436, doi:10.3762/bjnano.13.35

Graphical Abstract
  • mechanical stability, and can, thus, be easily damaged during production, storage, and measurement. These disadvantages can be avoided by using an in situ growth process of CuO nanostructures directly on a copper substrate, in the presence of certain surfactants or additives. This method makes it possible to
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Published 03 May 2022

A chemiresistive sensor array based on polyaniline nanocomposites and machine learning classification

  • Jiri Kroutil,
  • Alexandr Laposa,
  • Ali Ahmad,
  • Jan Voves,
  • Vojtech Povolny,
  • Ladislav Klimsa,
  • Marina Davydova and
  • Miroslav Husak

Beilstein J. Nanotechnol. 2022, 13, 411–423, doi:10.3762/bjnano.13.34

Graphical Abstract
  • analysis. Further, statistical classification analysis was implemented for the evaluation of target gases. Scanning electron microscopy and Raman spectroscopy The surface morphology and uniformity of additives in PANI of the deposited active layers were examined by scanning electron microscopy (TESCAN
  • FERA3 GM), as shown in Figure 1a–h. All nanocomposite active layers, that is, PANI/ZnO, PANI/WO3 (nanopowder), PANI/WO3 (nanowires), PANI/In2O3, PANI/C60, PANI/NCD, and PANI/BaTiO3 have similar morphological features with a uniform distribution of additives in polyaniline. We can observe small ZnO
  • mg additives (zinc oxide, two forms of tungsten oxide, indium oxide, fullerene, NCD, and barium titanate) in 2 mL xylene. Table 3 shows properties of the used additives. The prepared solutions were mixed in a shaker for 30 min and subsequently ultrasonicated for 30 min. Finally, the obtained
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Published 27 Apr 2022

Alcohol-perturbed self-assembly of the tobacco mosaic virus coat protein

  • Ismael Abu-Baker and
  • Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2022, 13, 355–362, doi:10.3762/bjnano.13.30

Graphical Abstract
  • presence of different alcohol additives. (A) 5.0 mol % methanol; (B) 10.0 mol % methanol; (C) 3.5 mol % isopropyl alcohol. Orange arrows indicate long rod species. PyMOL [47] schematic showing (A) one face of the disk and (B) the side view of two layers of the disk. Hydrophobic residues are coloured in red
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Published 01 Apr 2022

Surfactant-free syntheses and pair distribution function analysis of osmium nanoparticles

  • Mikkel Juelsholt,
  • Jonathan Quinson,
  • Emil T. S. Kjær,
  • Baiyu Wang,
  • Rebecca Pittkowski,
  • Susan R. Cooper,
  • Tiffany L. Kinnibrugh,
  • Søren B. Simonsen,
  • Luise Theil Kuhn,
  • María Escudero-Escribano and
  • Kirsten M. Ø. Jensen

Beilstein J. Nanotechnol. 2022, 13, 230–235, doi:10.3762/bjnano.13.17

Graphical Abstract
  • medical properties [10][11][12][13][14][15][16][17] in experimental and theoretical work [18]. Common wet chemical syntheses require surfactants, viscous solvents, or shape-directing agents [5][17][19][20][21] that act as ligands to stabilize colloidal nanoparticles (NPs). These additives can bring
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Published 16 Feb 2022

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

  • Senuri Kumarage,
  • Imalka Munaweera and
  • Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

Graphical Abstract
  • functional specific nanosized additives to be used in various water remediation membrane techniques. The adsorption, filtration, photocatalytic, and bactericidal capabilities of the hybrid membranes in removing common major water pollutants such as metal ions, dyes, oils, and biological pollutants have been
  • membranes due to the high surface area for particle adsorption. The hybridization of the electrospun membranes with additives improved the properties compared to pristine polymer membranes. GO, Fe2O3 and other metal oxides, HNTs, activated carbons, and zeolite are some of the frequently used additives for
  • ENH membranes. The synergistic effect of both the additives and the pristine polymer results in a much better product with enhanced adsorption properties. These additives often provide more functional groups for the adsorption process, simultaneously imparting hydrophilic properties to the hydrophobic
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Published 31 Jan 2022

Bacterial safety study of the production process of hemoglobin-based oxygen carriers

  • Axel Steffen,
  • Yu Xiong,
  • Radostina Georgieva,
  • Ulrich Kalus and
  • Hans Bäumler

Beilstein J. Nanotechnol. 2022, 13, 114–126, doi:10.3762/bjnano.13.8

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  • , here both bacterial strains showed no growth compared to controls in media without additives. The bacterial growth, as determined by the optical density of the sample, was equivalent to that of the negative control in peracetic acid. The addition of EDTA to the growth medium led to a complete
  • optical density after addition of EDTA and GA (Figure 5B). The cells of the control group did not grow as much here, but the differences in growth were significant during the experiment compared to the cells cultured with additives. There was also no detectable growth of E. coli after the addition of EDTA
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Published 24 Jan 2022

Enhancement of the piezoelectric coefficient in PVDF-TrFe/CoFe2O4 nanocomposites through DC magnetic poling

  • Marco Fortunato,
  • Alessio Tamburrano,
  • Maria Paola Bracciale,
  • Maria Laura Santarelli and
  • Maria Sabrina Sarto

Beilstein J. Nanotechnol. 2021, 12, 1262–1270, doi:10.3762/bjnano.12.93

Graphical Abstract
  • . These included mechanical stretching [19][20], spin coating [21], quenching [22], a combination of the latter two techniques [2], and the addition of external additives to the PVDF matrix, such as metal nanocomposites [14][23], ceramic filler [24], and graphene nanoplatelets (GNPs) and their combination
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Published 19 Nov 2021

Morphology-driven gas sensing by fabricated fractals: A review

  • Vishal Kamathe and
  • Rupali Nagar

Beilstein J. Nanotechnol. 2021, 12, 1187–1208, doi:10.3762/bjnano.12.88

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  • -Fe2O3 fractal crystals by a cost-effective and eco-friendly microwave method [74]. Figure 13 shows SEM images of different hematite crystals obtained by varying precursor concentrations and additives. A dendritic particle structure with a middle stem of 3.5 µm and secondary branches of ca. 1 µm to 250
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Published 09 Nov 2021

The effect of cobalt on morphology, structure, and ORR activity of electrospun carbon fibre mats in aqueous alkaline environments

  • Markus Gehring,
  • Tobias Kutsch,
  • Osmane Camara,
  • Alexandre Merlen,
  • Hermann Tempel,
  • Hans Kungl and
  • Rüdiger-A. Eichel

Beilstein J. Nanotechnol. 2021, 12, 1173–1186, doi:10.3762/bjnano.12.87

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  • spectroscopy, elemental analysis, and inductively coupled plasma optical emission spectrometry are used for characterisation. The modified fibre system is compared to a benchmark system without cobalt additives. Cobalt is known to catalyse the formation of graphite in carbonaceous materials at elevated
  • temperatures. As a result of cobalt migration in the material the resulting overall morphology is that of turbostratic carbon. Nitrogen removal and nitrogen-type distribution are enhanced by the cobalt additives. At lower carbonisation temperatures cobalt is distributed over the surface of the fibres, whereas
  • amounts of metal additives are detrimental to the mechanical stability of the fibre mat [19], which limits use of fibres with large metal content as a free-standing electrode. In contrast to this, Song et al. [20] investigated the fibres as self-standing electrodes for Li–air batteries using non-aqueous
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Published 19 Oct 2021

Progress and innovation of nanostructured sulfur cathodes and metal-free anodes for room-temperature Na–S batteries

  • Marina Tabuyo-Martínez,
  • Bernd Wicklein and
  • Pilar Aranda

Beilstein J. Nanotechnol. 2021, 12, 995–1020, doi:10.3762/bjnano.12.75

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  • instance, the development of polymer electrolytes, additives, salts, or specific materials that can be used in the preparation of components and conformation of elements of the battery. The analysis of the patent search results clearly shows a lack of specific patents dealing with the production of cathode
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Published 09 Sep 2021

Modification of a SERS-active Ag surface to promote adsorption of charged analytes: effect of Cu2+ ions

  • Bahdan V. Ranishenka,
  • Andrei Yu. Panarin,
  • Irina A. Chelnokova,
  • Sergei N. Terekhov,
  • Peter Mojzes and
  • Vadim V. Shmanai

Beilstein J. Nanotechnol. 2021, 12, 902–912, doi:10.3762/bjnano.12.67

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  • colloidal substrates, which can occur even in the absence of any additives. SERS signals from aggregates due to the creation of “hot spots” can be orders of magnitude higher than the signal from the non-aggregated NPs [2][4]. Thus, even a small amount of the aggregates that is not visible in the absorption
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Published 16 Aug 2021

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

  • Sepand Tehrani Fateh,
  • Lida Moradi,
  • Elmira Kohan,
  • Michael R. Hamblin and
  • Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

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Published 11 Aug 2021

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

Graphical Abstract
  • antimicrobial properties by coating the nanoparticles with dodecanethiol, a non-polar surfactant highly compatible with LDPE. This shows that the Ag-NPs synthetized is this work are viable as antimicrobial additives for plastics, probably the most important material for large-scale industrial applications
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Published 05 Aug 2021
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