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Search for "sedimentation" in Full Text gives 74 result(s) in Beilstein Journal of Nanotechnology.

Development and characterization of potential larvicidal nanoemulsions against Aedes aegypti

  • Jonatas L. Duarte,
  • Leonardo Delello Di Filippo,
  • Anna Eliza Maciel de Faria Mota Oliveira,
  • Rafael Miguel Sábio,
  • Gabriel Davi Marena,
  • Tais Maria Bauab,
  • Cristiane Duque,
  • Vincent Corbel and
  • Marlus Chorilli

Beilstein J. Nanotechnol. 2024, 15, 104–114, doi:10.3762/bjnano.15.10

Graphical Abstract
  • , and 21 days after preparation. Signs of instability such as creaming, sedimentation, and phase separation were recorded, as well as physical aspects such as color, transparency, and fluidity. Dynamic light scattering analysis The average hydrodynamic diameter and polydispersity index (PdI) of the NEs
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Published 18 Jan 2024

Influence of conductive carbon and MnCo2O4 on morphological and electrical properties of hydrogels for electrochemical energy conversion

  • Sylwia Pawłowska,
  • Karolina Cysewska,
  • Yasamin Ziai,
  • Jakub Karczewski,
  • Piotr Jasiński and
  • Sebastian Molin

Beilstein J. Nanotechnol. 2024, 15, 57–70, doi:10.3762/bjnano.15.6

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  • viscosity of the hydrogel precursor solution to avoid the sedimentation of suspended particles (MCO and cCB). Table 3 presents the amounts of cCB used in the preparation of each conductive hydrogel sample. Ultraviolet irradiation (UV EMITA VP-60, 180 W, 220–240 V AC) in an ice bath lasted 2–4 minutes for
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Published 11 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
  • deteriorated above pH 11 with, first, a decrease in size before the NP morphology changed into nanosheets [28]. However, in the case of BSA/PDA NPs, the NPs size increased when the pH value was above 6.5. In addition, precipitation, sedimentation, or degradation of the dispersion were not observed, showing
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Published 22 Dec 2023

Experimental investigation of usage of POE lubricants with Al2O3, graphene or CNT nanoparticles in a refrigeration compressor

  • Kayhan Dağıdır and
  • Kemal Bilen

Beilstein J. Nanotechnol. 2023, 14, 1041–1058, doi:10.3762/bjnano.14.86

Graphical Abstract
  • prevent sedimentation as suggested in previous studies [32]. The zeta potential values of nanolubricants containing Al2O3 were also measured and given in Figure 9. Accordingly, it can be said that the stability of nanolubricant samples with Al2O3 is excellent and normal for the lowest mass fraction (ω
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Published 02 Nov 2023

Antibody-conjugated nanoparticles for target-specific drug delivery of chemotherapeutics

  • Mamta Kumari,
  • Amitabha Acharya and
  • Praveen Thaggikuppe Krishnamurthy

Beilstein J. Nanotechnol. 2023, 14, 912–926, doi:10.3762/bjnano.14.75

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  • effect of the protein corona on active targeting. Differential centrifugal sedimentation and immunological dot-blot studies revealed that increased serum concentration significantly reduced the binding of Tf-modified NPs to their receptors. They demonstrated that the protein corona significantly reduced
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Published 04 Sep 2023

On the use of Raman spectroscopy to characterize mass-produced graphene nanoplatelets

  • Keith R. Paton,
  • Konstantinos Despotelis,
  • Naresh Kumar,
  • Piers Turner and
  • Andrew J. Pollard

Beilstein J. Nanotechnol. 2023, 14, 509–521, doi:10.3762/bjnano.14.42

Graphical Abstract
  • in the production process [24][25]. Often based on a sedimentation process, this step removes the unexfoliated fraction of the material from the exfoliated product. However, if this process is not well designed and controlled, it is possible for the unwanted sediment to pass into the product stream
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Published 24 Apr 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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Published 27 Mar 2023

Polymer nanoparticles from low-energy nanoemulsions for biomedical applications

  • Santiago Grijalvo and
  • Carlos Rodriguez-Abreu

Beilstein J. Nanotechnol. 2023, 14, 339–350, doi:10.3762/bjnano.14.29

Graphical Abstract
  • were obtained upon solvent removal. High colloidal stability (longer than three months without sedimentation), high encapsulation efficiency (>99%), slow drug release (only 15% of the drug after five days), and low cytotoxicity against HeLa cells (cell viability > 80%) were observed. In vivo tests
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Published 13 Mar 2023

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

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  • techniques has demonstrated varying levels of effectiveness and drawbacks that restrict their widespread use. For instance, due to deficiencies such as the formation of harmful by-products and incomplete removal of organic pollutants, traditional water treatment methods such as sedimentation, filtration, and
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Published 03 Mar 2023

Solvent-induced assembly of mono- and divalent silica nanoparticles

  • Bin Liu,
  • Etienne Duguet and
  • Serge Ravaine

Beilstein J. Nanotechnol. 2023, 14, 52–60, doi:10.3762/bjnano.14.6

Graphical Abstract
  • “diffusion-controlled” stage, which can be attributed to the fact that the sedimentation of the chains becomes the rate-limiting factor when they become relatively long. We recently reported that the length of the chains made of 105 nm or 130 nm 2-PSN can be controlled by the addition of 1-PSN with a PPSR of
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Published 06 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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  • technologies have been proposed to remove organic pollutants from water, including coagulation coupled with sedimentation, biological processes, membrane filtration, adsorption, advanced oxidation, catalysis, and photocatalysis [1][2][3]. Using semiconductors as photocatalysts has been a widely studied
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Published 07 Oct 2022

Comparative molecular dynamics simulations of thermal conductivities of aqueous and hydrocarbon nanofluids

  • Adil Loya,
  • Antash Najib,
  • Fahad Aziz,
  • Asif Khan,
  • Guogang Ren and
  • Kun Luo

Beilstein J. Nanotechnol. 2022, 13, 620–628, doi:10.3762/bjnano.13.54

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  • future considerations, the system under observation should be modified with surfactants to increase stability for longer time periods, as systems without surfactant show agglomeration after a short time. Hence, this causes system destabilisation and creates sedimentation. Finally, surface modification of
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Published 07 Jul 2022

Sputtering onto liquids: a critical review

  • Anastasiya Sergievskaya,
  • Adrien Chauvin and
  • Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

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Published 04 Jan 2022

A review on slip boundary conditions at the nanoscale: recent development and applications

  • Ruifei Wang,
  • Jin Chai,
  • Bobo Luo,
  • Xiong Liu,
  • Jianting Zhang,
  • Min Wu,
  • Mingdan Wei and
  • Zhuanyue Ma

Beilstein J. Nanotechnol. 2021, 12, 1237–1251, doi:10.3762/bjnano.12.91

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  • , electrophoresis, streaming current or potential, and sedimentation potential have played crucial roles in the development of microfluidics and nanofluidics [73][74][75]. Among them, the electro-osmotic flow refers to the motion of an electrolyte solution relative to the stationary charged surface due to an
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Published 17 Nov 2021

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

Graphical Abstract
  • aggregation and sedimentation above pH 5 [117]. The stability was enhanced upon adhesion of carrageenan to the nanoparticle surface rendering it negatively charged. Although there are little reports on using carrageenan as a safe and sustainable component for synthesizing plasmonic metal nanomaterials, the
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Published 18 Aug 2021

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

  • Sina Kaabipour and
  • Shohreh Hemmati

Beilstein J. Nanotechnol. 2021, 12, 102–136, doi:10.3762/bjnano.12.9

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Published 25 Jan 2021

Fusion of purple membranes triggered by immobilization on carbon nanomembranes

  • René Riedel,
  • Natalie Frese,
  • Fang Yang,
  • Martin Wortmann,
  • Raphael Dalpke,
  • Daniel Rhinow,
  • Norbert Hampp and
  • Armin Gölzhäuser

Beilstein J. Nanotechnol. 2021, 12, 93–101, doi:10.3762/bjnano.12.8

Graphical Abstract
  • (NTA) terminal groups for the interaction with the His-tagged PMs forming a quasi-monolayer of His-tagged PM on top of the CNM-NTA. The formation of the Ni-NTA/His-tag complex leads to the unidirectional orientation of PM on the CNM substrate. Electrophoretic sedimentation was employed to optimize the
  • ; electrophoretic sedimentation; proton pump; purple membrane; Introduction The so-called purple membrane (PM) has attracted large attention in the scientific literature after this light-driven proton pump was first discovered in the 1970s [1][2]. The membrane patches of about 1 µm in diameter, consisting of the
  • optical properties as well as their chemical [39], thermal [40], and mechanical stability [41]. PM patches were deposited by electrophoretic sedimentation from a suspension as a quasi-monolayer on a 4′-nitro-1,1′-biphenyl-4-thiol (NBPT) CNM [42][43]. We use the term quasi-monolayer to express that there
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Published 22 Jan 2021

One-step synthesis of carbon-supported electrocatalysts

  • Sebastian Tigges,
  • Nicolas Wöhrl,
  • Ivan Radev,
  • Ulrich Hagemann,
  • Markus Heidelmann,
  • Thai Binh Nguyen,
  • Stanislav Gorelkov,
  • Stephan Schulz and
  • Axel Lorke

Beilstein J. Nanotechnol. 2020, 11, 1419–1431, doi:10.3762/bjnano.11.126

Graphical Abstract
  • techniques [11] and laser ablation [12]) are surfactant-free and scalable. However, these approaches typically require multiple-step procedures in which the support and catalytic nanoparticles (NPs) are first produced individually and then combined in a third step (i.e., NP sedimentation in liquid phase [13
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Published 17 Sep 2020

Structural and electronic properties of SnO2 doped with non-metal elements

  • Jianyuan Yu,
  • Yingeng Wang,
  • Yan Huang,
  • Xiuwen Wang,
  • Jing Guo,
  • Jingkai Yang and
  • Hongli Zhao

Beilstein J. Nanotechnol. 2020, 11, 1321–1328, doi:10.3762/bjnano.11.116

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  • . Nguyen successfully prepared p-type N-doped SnO2 films using magnetron sputtering [9]. The results show that the SnO2 films were n-type semiconductors, and the concentration of free carriers in the film increased as the temperature for sedimentation increased. Also, p-type semiconductors were
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Published 03 Sep 2020

Influence of the magnetic nanoparticle coating on the magnetic relaxation time

  • Mihaela Osaci and
  • Matteo Cacciola

Beilstein J. Nanotechnol. 2020, 11, 1207–1216, doi:10.3762/bjnano.11.105

Graphical Abstract
  • absence of an external magnetic field [11][12]. This can be a potential problem when ferrofluids are used in medical applications, since nanoparticle agglomeration and sedimentation can create thrombi inside the blood vessels [13]. Controlling nanoparticle agglomeration is essential to improve the
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Published 12 Aug 2020

Interfacial charge transfer processes in 2D and 3D semiconducting hybrid perovskites: azobenzene as photoswitchable ligand

  • Nicole Fillafer,
  • Tobias Seewald,
  • Lukas Schmidt-Mende and
  • Sebastian Polarz

Beilstein J. Nanotechnol. 2020, 11, 466–479, doi:10.3762/bjnano.11.38

Graphical Abstract
  • a partial destabilization of the particles and sedimentation, which can be seen by a general loss of absorption over the time (Figure 5B). Even without the conformational change of the surface-bound azo ligands, the particles are large enough to show slow sedimentation in Earth’s gravitational field
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Published 17 Mar 2020

Development of a new hybrid approach combining AFM and SEM for the nanoparticle dimensional metrology

  • Loïc Crouzier,
  • Alexandra Delvallée,
  • Sébastien Ducourtieux,
  • Laurent Devoille,
  • Guillaume Noircler,
  • Christian Ulysse,
  • Olivier Taché,
  • Elodie Barruet,
  • Christophe Tromas and
  • Nicolas Feltin

Beilstein J. Nanotechnol. 2019, 10, 1523–1536, doi:10.3762/bjnano.10.150

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  • NP dimensional measurement and the meter definition in the international system (SI) of units [1]. The involved measurand is then a geometrical size. Unlike microscopy-based techniques, all other NP sizing techniques, for instance, dynamic light scattering, centrifugal liquid sedimentation, and
  • ) and 84 nm with a 2.1 nm uncertainty (k = 2) for a second size class (called size class B) [15]. Concerning ERM-FD304, the certification only covers dynamic light scattering and centrifugal liquid sedimentation as measuring methods. It also gives an indicative value for microscopy-based techniques (SEM
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Published 26 Jul 2019

Gas sensing properties of individual SnO2 nanowires and SnO2 sol–gel nanocomposites

  • Alexey V. Shaposhnik,
  • Dmitry A. Shaposhnik,
  • Sergey Yu. Turishchev,
  • Olga A. Chuvenkova,
  • Stanislav V. Ryabtsev,
  • Alexey A. Vasiliev,
  • Xavier Vilanova,
  • Francisco Hernandez-Ramirez and
  • Joan R. Morante

Beilstein J. Nanotechnol. 2019, 10, 1380–1390, doi:10.3762/bjnano.10.136

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  • crystallites obtained by sedimentation (Figure 2) should lead to a considerable dispersion of sorption enthalpies at the different sites. It is commonly thought that this fact results in an increase in the b factor. A second factor, which may lead to an increase in the b parameter value for sol–gel sensors is
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Published 08 Jul 2019

Multicomponent bionanocomposites based on clay nanoarchitectures for electrochemical devices

  • Giulia Lo Dico,
  • Bernd Wicklein,
  • Lorenzo Lisuzzo,
  • Giuseppe Lazzara,
  • Pilar Aranda and
  • Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2019, 10, 1303–1315, doi:10.3762/bjnano.10.129

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  • sedimentation. These dispersions remained stable for more than five months (Figure 2B) and proved to be suitable for preparing self-supported, flexible films by solvent-casting (Figure 3B) as well as foams by freeze-casting (Figure 3C). The lamellar arrangement of the bionanocomposite films is schematized in
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Published 25 Jun 2019

Scavenging of reactive oxygen species by phenolic compound-modified maghemite nanoparticles

  • Małgorzata Świętek,
  • Yi-Chin Lu,
  • Rafał Konefał,
  • Liliana P. Ferreira,
  • M. Margarida Cruz,
  • Yunn-Hwa Ma and
  • Daniel Horák

Beilstein J. Nanotechnol. 2019, 10, 1073–1088, doi:10.3762/bjnano.10.108

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  • -Fe2O3@Hep-CS-H, and γ-Fe2O3@Hep-CS-P particles (100 μg/mL) for 3 h in the absence or presence of an NdFeB magnet (ca. 3.4 kG) placed underneath the cells [41]. A magnetic field was applied for 5 min after the addition of nanoparticles to facilitate particle sedimentation. The cells were then harvested
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Published 20 May 2019
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