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Search for "hydration" in Full Text gives 56 result(s) in Beilstein Journal of Nanotechnology.

Berberine-loaded polylactic acid nanofiber scaffold as a drug delivery system: The relationship between chemical characteristics, drug-release behavior, and antibacterial efficiency

  • Le Thi Le,
  • Hue Thi Nguyen,
  • Liem Thanh Nguyen,
  • Huy Quang Tran and
  • Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2024, 15, 71–82, doi:10.3762/bjnano.15.7

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  • nanofiber compositions [11][12][13]. For a long-term drug release, hydrophobic polymers are chosen for the preparation of drug-loaded nanofiber scaffolds. This is because the hydrophobicity of the polymer could form air gaps, slowing matrix hydration and suppressing drug diffusion from the nanofibers [14
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Published 12 Jan 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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  • nanoliposomes promoting increased antiparasitic activity. Recently, Bafghi and collaborators produced nanoliposomes for curc delivery as a new alternative for leishmaniasis treatment [89]. Briefly, the nanoliposomes were prepared by thin-film hydration, resulting in spherical vesicles with 176.5 nm of diameter
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Published 04 Jan 2024

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

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  • ] proceeds at constant temperature (Figure 1b). Here, the change in the curvature of the surfactant layer from negative to positive or vice versa is driven by the addition of water (which increases POE hydration) to a mixture of oil + surfactant to produce an O/W nanoemulsion [14]. Under continued dilution
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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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Published 03 Mar 2023

A novel approach to pulsed laser deposition of platinum catalyst on carbon particles for use in polymer electrolyte membrane fuel cells

  • Bogusław Budner,
  • Wojciech Tokarz,
  • Sławomir Dyjak,
  • Andrzej Czerwiński,
  • Bartosz Bartosewicz and
  • Bartłomiej Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 190–204, doi:10.3762/bjnano.14.19

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  • , enough water to moisten the membrane. A self-propelling mechanism is created, but there are a low current, insufficient water in the diaphragm, a high internal diaphragm resistance, and a power drop. The attempt to support the cell by increasing the cathode hydration (to about 125% RH) did not improve
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Published 02 Feb 2023

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

  • Alexandru-Milentie Hada,
  • Nina Burduja,
  • Marco Abbate,
  • Claudio Stagno,
  • Guy Caljon,
  • Louis Maes,
  • Nicola Micale,
  • Massimiliano Cordaro,
  • Angela Scala,
  • Antonino Mazzaglia and
  • Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

Graphical Abstract
  • Pent was prepared at a 1:1 molar ratio using the classical method of organic film hydration (Figure 4A). In our study we employed Pent as a free base [19][26], slightly soluble in water (i.e., ≅30 µg/mL), instead of Pent isethionate salt used in the literature for the preparation of β-CD/Pent inclusion
  • silver ions was monitored by following the increase of the LSPR characteristic band at 402 nm. Before the NMR analyses, nanoG and nanoGS colloidal solutions were lyophilized and redispersed in D2O. Preparation of nanoGSP supramolecular assembly NanoGSP was prepared by using the method of hydration of an
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Published 18 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

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  • polymer chains against protein molecules increases, while a tightly bound water layer creates a physical and energetic barrier and renders interactions with approaching proteins or bacteria thermodynamically unfavorable [50]. The concept of steric repulsion based on a hydration layer through hydrogen
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Published 08 Sep 2022

Ethosomal (−)-epigallocatechin-3-gallate as a novel approach to enhance antioxidant, anti-collagenase and anti-elastase effects

  • Çiğdem Yücel,
  • Gökçe Şeker Karatoprak,
  • Sena Yalçıntaş and
  • Tuğba Eren Böncü

Beilstein J. Nanotechnol. 2022, 13, 491–502, doi:10.3762/bjnano.13.41

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  • comparatively examined, it was once again proved that nanovesicles loaded with photoprotective plant extracts included in the creams were effective in penetrating through the skin, as a result of moisturizing lipid components, and it also showed a positive effect on skin hydration [36]. Antioxidant activity In
  • flask, dissolved with chloroform: methanol (1:3 v/v), and evaporated to form a thin lipid film on the wall of the flask in a rotary evaporator (Heidolph) under vacuum. For hydration of the dry film, the EGCG hydroethanolic solution (15%, 30%, and 45% v/v) was used. The preparation was vortexed for 15
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Published 31 May 2022

Effect of sample treatment on the elastic modulus of locust cuticle obtained by nanoindentation

  • Chuchu Li,
  • Stanislav N. Gorb and
  • Hamed Rajabi

Beilstein J. Nanotechnol. 2022, 13, 404–410, doi:10.3762/bjnano.13.33

Graphical Abstract
  • Figure 2d. Discussion Mechanical characterization of fresh cuticle The mechanical properties of insect cuticle are strongly influenced by the level of hydration [6][7][8]. Hence, to obtain realistic data, performing mechanical tests on fresh cuticle samples is necessary. Giving that it is not always
  • in their native state. The level of hydration of freshly dissected cuticle specimens is maintained by surrounding them with wet pieces of cotton. In this way, the specimens can absorb water from the wet cotton pieces without being overhydrated. Our results suggest that this is a more suitable method
  • those reported in the literature for similar cuticle parts. They, therefore, suggested that rewetting of a cuticle specimen might not return its hydration level to the native state. Our results also showed that the elastic modulus of rehydrated cuticle sample is significantly higher than that of fresh
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Published 22 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
  • small hydration shell of structured water molecules. As the alcohol content increases, the hydration shells begin to overlap, leading to an extensive hydrogen bonding network and significantly reduced mobility of water molecules. Beyond this point, alcohol molecules begin to cluster together, and
  • eventually, alcohol becomes the bulk phase with small water clusters [34][35]. These changes in solvent structure reduce the solvent permittivity and change solute pKa and hydration number [36][37]. Additionally, alcohol–protein interactions can replace protein–protein interactions, altering the protein
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Published 01 Apr 2022

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

Surface-enhanced Raman scattering of water in aqueous dispersions of silver nanoparticles

  • Paulina Filipczak,
  • Krzysztof Hałagan,
  • Jacek Ulański and
  • Marcin Kozanecki

Beilstein J. Nanotechnol. 2021, 12, 497–506, doi:10.3762/bjnano.12.40

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  • course, such a strong EF may be registered only if the electromagnetic mechanism of enhancement occurs. By including the subsequent layers of hydration in the calculations, as water molecules participate in the SERS effect (Nsurf), we obtain a lower EF value; however, still in the order of 106. Influence
  • hydration layer, but it is also transferred to deeper layers of water up to approx.10 Å (this value is only slightly impacted by the interaction energies). As a result, water molecules around AgNPs have a lower kinetic energy and a longer dwell time that favours structure stabilization. A similar effect has
  • molecules. The SERS effect is present only for water molecules that are in direct contact with AgNPs; however, the dynamic properties of water molecules close to the metal surface probably differ from the ones in the bulk up to a couple of hydration layers. This suggests that at least there might be a
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Published 25 May 2021

Characterization, bio-uptake and toxicity of polymer-coated silver nanoparticles and their interaction with human peripheral blood mononuclear cells

  • Sahar Pourhoseini,
  • Reilly T. Enos,
  • Angela E. Murphy,
  • Bo Cai and
  • Jamie R. Lead

Beilstein J. Nanotechnol. 2021, 12, 282–294, doi:10.3762/bjnano.12.23

Graphical Abstract
  • hydration shell around NPs and should be the same as, or larger than, the core size of NPs measured by TEM. Characterization values for pristine PVP-AgNPs can be found in Table 1. Scanning transmission electron microscopy (STEM) images of 1000 µg·L−1 PVP-AgNPs in RPMI medium at the beginning of the
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Published 24 Mar 2021

Plant growth regulation by seed coating with films of alginate and auxin-intercalated layered double hydroxides

  • Vander A. de Castro,
  • Valber G. O. Duarte,
  • Danúbia A. C. Nobre,
  • Geraldo H. Silva,
  • Vera R. L. Constantino,
  • Frederico G. Pinto,
  • Willian R. Macedo and
  • Jairo Tronto

Beilstein J. Nanotechnol. 2020, 11, 1082–1091, doi:10.3762/bjnano.11.93

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  • mass and the fragments with m/z 18 and m/z 44 (water and carbon dioxide, respectively) are attributed to dehydroxylation and the thermal decomposition of the NAA anion. Considering the hydration water amount (9.6%), the NAA content in ZnAl-NAA-LDH determined by electronic absorption spectrophotometry
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Published 24 Jul 2020

Three-dimensional solvation structure of ethanol on carbonate minerals

  • Hagen Söngen,
  • Ygor Morais Jaques,
  • Peter Spijker,
  • Christoph Marutschke,
  • Stefanie Klassen,
  • Ilka Hermes,
  • Ralf Bechstein,
  • Lidija Zivanovic,
  • John Tracey,
  • Adam S. Foster and
  • Angelika Kühnle

Beilstein J. Nanotechnol. 2020, 11, 891–898, doi:10.3762/bjnano.11.74

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  • between a mineral and its environment takes place at the interface, the interfacial structure is of fundamental importance for gaining molecular-level understanding of the mineral reactivity. In the presence of water, the hydration structure at the interface needs to be known. With the advent of high
  • -resolution 3D atomic force microscopy (AFM) [1], the hydration structure of many interfaces has been studied, including the aqueous interface of mica [2] calcite [3][4] dolomite [5][6] and organic crystals [7]. However, while the majority of 3D AFM works have concentrated on water, comparatively fewer
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Published 10 Jun 2020

Design of a nanostructured mucoadhesive system containing curcumin for buccal application: from physicochemical to biological aspects

  • Sabrina Barbosa de Souza Ferreira,
  • Gustavo Braga,
  • Évelin Lemos Oliveira,
  • Jéssica Bassi da Silva,
  • Hélen Cássia Rosseto,
  • Lidiane Vizioli de Castro Hoshino,
  • Mauro Luciano Baesso,
  • Wilker Caetano,
  • Craig Murdoch,
  • Helen Elizabeth Colley and
  • Marcos Luciano Bruschi

Beilstein J. Nanotechnol. 2019, 10, 2304–2328, doi:10.3762/bjnano.10.222

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  • . Thus, the most diluted system (0.3%, w/w) showed a significantly higher micelle size and PDI (p < 0.05), probably due to the presence of water, which can enable higher hydration of the polymeric chains. The presence of CUR significantly reduced the PDI (p < 0.05) for the system diluted at 0.3% (w/w
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Published 25 Nov 2019

Ion mobility and material transport on KBr in air as a function of the relative humidity

  • Dominik J. Kirpal,
  • Korbinian Pürckhauer,
  • Alfred J. Weymouth and
  • Franz J. Giessibl

Beilstein J. Nanotechnol. 2019, 10, 2084–2093, doi:10.3762/bjnano.10.203

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  • additional layer forming by increasing RH to 60% and further growth of the water film up to 2.7 nm (ca. 10 monolayers) thickness at higher humidities [1]. On the atomic level, water and adsorbed molecules can arrange according to the surface structure and form ordered hydration layers that are also referred
  • on the surface. This state is observed by the AFM technique as the surface topography. (2) In the second state the ions are dissolved in the hydration layer or in a physiosorbed or precursor state [30], which shows a high mobility and cannot be imaged. The material from the accumulation over time
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Published 30 Oct 2019

Synthesis and potent cytotoxic activity of a novel diosgenin derivative and its phytosomes against lung cancer cells

  • Liang Xu,
  • Dekang Xu,
  • Ziying Li,
  • Yu Gao and
  • Haijun Chen

Beilstein J. Nanotechnol. 2019, 10, 1933–1942, doi:10.3762/bjnano.10.189

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  • size distribution of phytosomes seems a little broad. We used the thin-film hydration method followed by sonication to prepare the phytosomes in this study. The mean size and size distribution are significantly influenced by the sonication conditions. Further optimization of the formulation and the
  • . Preparation of phytosomes DiP and P2P were prepared with lecithin in the prescribed ratio (1:1, molar ratio) by the thin film hydration method. First, lecithin and Di/P2 were dissolved in chloroform at a molar ratio of 1:1. The organic solvent was evaporated using a rotary evaporator to produce a thin lipid
  • film. Before hydration, the lipid film was dried in a vacuum drying chamber at 27 °C for 12 h. The hydrated multilamellar vesicles were sonicated by a sonicator for 20 min. Blank lipid nanoparticles (P) were also prepared with the same process without adding Di or P2. Characterization of phytosomes
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Published 24 Sep 2019

Layered double hydroxide/sepiolite hybrid nanoarchitectures for the controlled release of herbicides

  • Ediana Paula Rebitski,
  • Margarita Darder and
  • Pilar Aranda

Beilstein J. Nanotechnol. 2019, 10, 1679–1690, doi:10.3762/bjnano.10.163

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  • hydration or the presence of OH− species in the systems consolidated at lower temperature, which determines a different mechanism of attack of H+ to produce the degradation of the LDH and the subsequent release of entrapped MCPA. The fastest kinetics is observed with the lowest LDH content (Figure 7 and
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Published 09 Aug 2019

Concurrent nanoscale surface etching and SnO2 loading of carbon fibers for vanadium ion redox enhancement

  • Jun Maruyama,
  • Shohei Maruyama,
  • Tomoko Fukuhara,
  • Toru Nagaoka and
  • Kei Hanafusa

Beilstein J. Nanotechnol. 2019, 10, 985–992, doi:10.3762/bjnano.10.99

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  • with the high-purity water to prepare a 2 M H2SO4 solution. Oxovanadium sulfate hydrate, VOSO4·nH2O, was purchased from Sigma-Aldrich (purity > 99.99%) and Nacalai Tesque, which was dissolved in 2 M H2SO4 to prepare VOSO4 (1 M)/H2SO4 (2 M). The number of water of hydration, n, was provided by the
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Published 30 Apr 2019

Towards rare-earth-free white light-emitting diode devices based on the combination of dicyanomethylene and pyranine as organic dyes supported on zinc single-layered hydroxide

  • Jeff L. Nyalosaso,
  • Rachod Boonsin,
  • Pierre Vialat,
  • Damien Boyer,
  • Geneviève Chadeyron,
  • Rachid Mahiou and
  • Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 760–770, doi:10.3762/bjnano.10.75

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  • temperature is related to M(RT) = 5·ZnO/(1 − 0.39) leading to 667.29 g·mol−1 (per 5·Zn) and corresponding to a hydration rate of n = 4.79, much higher than the value of 2 that is usually reported. It may be explained by a sample largely hydrated with weakly bonded water molecules as can be inferred from the
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Published 25 Mar 2019

Outstanding chain-extension effect and high UV resistance of polybutylene succinate containing amino-acid-modified layered double hydroxides

  • Adam A. Marek,
  • Vincent Verney,
  • Christine Taviot-Gueho,
  • Grazia Totaro,
  • Laura Sisti,
  • Annamaria Celli and
  • Fabrice Leroux

Beilstein J. Nanotechnol. 2019, 10, 684–695, doi:10.3762/bjnano.10.68

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  • equal because of the difference in molecular weight of the guest organic species as well as the different hydration rate. The UV-absorbing properties of the LDH structure with amino acids are presented in Figure 5. The nitrate–inorganic derivative, which is used as a reference, presents a typical quite
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Published 12 Mar 2019

Ultrasonication-assisted synthesis of CsPbBr3 and Cs4PbBr6 perovskite nanocrystals and their reversible transformation

  • Longshi Rao,
  • Xinrui Ding,
  • Xuewei Du,
  • Guanwei Liang,
  • Yong Tang,
  • Kairui Tang and
  • Jin Z. Zhang

Beilstein J. Nanotechnol. 2019, 10, 666–676, doi:10.3762/bjnano.10.66

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  • by [PbX6]4− octahedra in which the Cs+ ions reside in the periphery of this network [9][10]. These PNCs are prone to structural instabilities and phase transformations involving ion migration and interface hydration [11]. However, this phase and structure versatility has become the great advantage of
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Published 06 Mar 2019

Biomimetic surface structures in steel fabricated with femtosecond laser pulses: influence of laser rescanning on morphology and wettability

  • Camilo Florian Baron,
  • Alexandros Mimidis,
  • Daniel Puerto,
  • Evangelos Skoulas,
  • Emmanuel Stratakis,
  • Javier Solis and
  • Jan Siegel

Beilstein J. Nanotechnol. 2018, 9, 2802–2812, doi:10.3762/bjnano.9.262

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  • related to water transport, although in this case not for camouflage but hydration purposes, which is vital considering the natural habitat of this lizard is the desert. The humidity in the air or moisture at the surface of rocks on which the lizard is standing can condense at the skin tiles, flowing
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Published 05 Nov 2018

Comparative biological effects of spherical noble metal nanoparticles (Rh, Pd, Ag, Pt, Au) with 4–8 nm diameter

  • Alexander Rostek,
  • Marina Breisch,
  • Kevin Pappert,
  • Kateryna Loza,
  • Marc Heggen,
  • Manfred Köller,
  • Christina Sengstock and
  • Matthias Epple

Beilstein J. Nanotechnol. 2018, 9, 2763–2774, doi:10.3762/bjnano.9.258

Graphical Abstract
  • of agglomeration – a prerequisite for meaningful cell culture studies [47][86]. Note that the hydrodynamic diameter determined by DCS is systematically underestimated because of the hydration shell [87]. The average diameter of all particles was in the range between 5 and 10 nm. These results agree
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Published 29 Oct 2018
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