Search results

Search for "colloidal systems" in Full Text gives 17 result(s) in Beilstein Journal of Nanotechnology.

Nanomedicines against Chagas disease: a critical review

  • Maria Jose Morilla,
  • Kajal Ghosal and
  • Eder Lilia Romero

Beilstein J. Nanotechnol. 2024, 15, 333–349, doi:10.3762/bjnano.15.30

Graphical Abstract
  • that until now, most nanomedicines have been marketed to solve two big problems, namely (i) the low bioavailability and/or (ii) the high toxicity of drugs with low molecular weight. The most representative examples of the first group of nanomedicines are nanocrystals, carrier-free colloidal systems in
PDF
Album
Review
Published 27 Mar 2024
Graphical Abstract
  • potential is a crucial parameter that measures the surface charge of particles relative to their size. In colloidal systems, the zeta potential is widely used as an indicator to reflect the stability. It is important to note that NPs with higher positive charges can be more harmful than those with higher
PDF
Album
Supp Info
Full Research Paper
Published 12 Mar 2024

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
  • useful techniques for the investigation of NEs, since it provides detailed information about the internal structure of colloidal systems observed in their native state [38]. In cryo-TEM, it was possible to observe spherical droplets (Figure 1). Similar results of spherical droplets smaller than 180 nm
PDF
Album
Supp Info
Full Research Paper
Published 18 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

Graphical Abstract
  • delivered via these nanostructured systems. Polymeric nanoparticles Polymeric nanoparticles (PNPs) are colloidal systems made of natural or synthetic polymers [98]. These systems can encapsulate or adsorb active pharmaceutical ingredients (APIs) and macromolecules [99][100][101]. In addition, PNPs can
PDF
Album
Review
Published 04 Jan 2024

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

Graphical Abstract
  • absence of NP aggregation in the presence of multicharged metal ions. Considering the strong tendency of multicharged ions to destabilize colloidal systems [26][27][28] even at low concentrations, this observation is surprising. It should be noted that it is difficult to control the aggregation of NPs in
PDF
Album
Supp Info
Full Research Paper
Published 16 Aug 2021

Colloidal particle aggregation: mechanism of assembly studied via constructal theory modeling

  • Scott C. Bukosky,
  • Sukrith Dev,
  • Monica S. Allen and
  • Jeffery W. Allen

Beilstein J. Nanotechnol. 2021, 12, 413–423, doi:10.3762/bjnano.12.33

Graphical Abstract
  • and could be expanded upon to fit a range of colloidal systems. Keywords: colloids; constructal law; DLVO theory; interparticle interactions; nanomaterials; self-assembly; tunable systems; Introduction Constructal theory has been used to describe a number of naturally evolving processes/phenomena
  • µm in diameter that can be suspended in a fluid via Brownian motion [13]) is, therefore, expected to adhere to a similar natural progression such that the total energy of the system is minimized. When analyzing colloidal systems, however, both attractive and repulsive forces must be taken into
  • have developed the first model based on constructal theory to explain the self-assembly mechanisms of charged colloidal particles. This theoretical model, based on traditional DLVO interactions, can be broadly applied to many colloidal systems and is used here to predict the particle aggregation and
PDF
Album
Full Research Paper
Published 06 May 2021

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
  • Abstract Colloidal systems consisting of monodomain superparamagnetic nanoparticles have been used in biomedical applications, such as the hyperthermia treatment for cancer. In this type of colloid, called a nanofluid, the nanoparticles tend to agglomeration. It has been shown experimentally that the
PDF
Album
Full Research Paper
Published 12 Aug 2020

Using gold nanoparticles to detect single-nucleotide polymorphisms: toward liquid biopsy

  • María Sanromán Iglesias and
  • Marek Grzelczak

Beilstein J. Nanotechnol. 2020, 11, 263–284, doi:10.3762/bjnano.11.20

Graphical Abstract
  • optical properties not only in the visible but also in the near-infrared spectral range. Shape anisotropy (rods) and regiospecific surface functionalization (tip versus lateral parts) enable the fabrication of colloidal systems with limited degrees of freedom. In such systems, the possible orientations of
PDF
Album
Review
Published 31 Jan 2020

Recent highlights in nanoscale and mesoscale friction

  • Andrea Vanossi,
  • Dirk Dietzel,
  • Andre Schirmeisen,
  • Ernst Meyer,
  • Rémy Pawlak,
  • Thilo Glatzel,
  • Marcin Kisiel,
  • Shigeki Kawai and
  • Nicola Manini

Beilstein J. Nanotechnol. 2018, 9, 1995–2014, doi:10.3762/bjnano.9.190

Graphical Abstract
  • , new light is cast on elemental frictional processes in tribologically meaningful 2D extended contact geometries by charged colloidal systems driven across laser-interference-generated corrugation profiles the spatial structure and intensity of which can be tuned with remarkable freedom. While AFM
PDF
Album
Review
Published 16 Jul 2018

Review on nanoparticles and nanostructured materials: history, sources, toxicity and regulations

  • Jaison Jeevanandam,
  • Ahmed Barhoum,
  • Yen S. Chan,
  • Alain Dufresne and
  • Michael K. Danquah

Beilstein J. Nanotechnol. 2018, 9, 1050–1074, doi:10.3762/bjnano.9.98

Graphical Abstract
  • allows them to float on water without sinking [194][195]. Based on these reports, many artificial superhydrophobic materials with self-cleaning ability have been manufactured [196] through electrodeposition, photolithography and colloidal systems [197][198][199] with unique morphology and roughness [200
PDF
Album
Review
Published 03 Apr 2018

Effect of ferroelectric BaTiO3 particles on the threshold voltage of a smectic A liquid crystal

  • Abbas R. Imamaliyev,
  • Mahammadali A. Ramazanov and
  • Shirkhan A. Humbatov

Beilstein J. Nanotechnol. 2018, 9, 824–828, doi:10.3762/bjnano.9.76

Graphical Abstract
  • features observed in the C–V characteristics are given. Keywords: colloidal systems; dielectric permittivity; ferroelectric BaTiO3 particles; smectic A liquid crystals; threshold voltage; Introduction Interest in liquid crystals (LC) as a unique state of matter arises not only from a scientific point of
PDF
Album
Full Research Paper
Published 07 Mar 2018

Ferrocholesteric–ferronematic transitions induced by shear flow and magnetic field

  • Dmitriy V. Makarov,
  • Alexander A. Novikov and
  • Alexander N. Zakhlevnykh

Beilstein J. Nanotechnol. 2017, 8, 2552–2561, doi:10.3762/bjnano.8.255

Graphical Abstract
  • composite system [1][2][3][4][5][6][7][8][9]. The physical properties of these kinds of soft condensed matter are much richer than those of the original liquid crystal materials. Depending on the type of impurity particles in liquid-crystalline colloidal systems new mechanisms for the orientation structure
PDF
Album
Full Research Paper
Published 30 Nov 2017

Self-assembly of chiral fluorescent nanoparticles based on water-soluble L-tryptophan derivatives of p-tert-butylthiacalix[4]arene

  • Pavel L. Padnya,
  • Irina A. Khripunova,
  • Olga A. Mostovaya,
  • Timur A. Mukhametzyanov,
  • Vladimir G. Evtugyn,
  • Vyacheslav V. Vorobev,
  • Yuri N. Osin and
  • Ivan I. Stoikov

Beilstein J. Nanotechnol. 2017, 8, 1825–1835, doi:10.3762/bjnano.8.184

Graphical Abstract
  • of the compounds 8–11. The zeta potential is another measure of the stability of colloidal systems. The zeta potential characterizes the degree and nature of the interaction between the particles of the disperse system: the larger the electrokinetic potential, the more stable the colloidal system. A
PDF
Album
Supp Info
Full Research Paper
Published 04 Sep 2017

Surface coating affects behavior of metallic nanoparticles in a biological environment

  • Darija Domazet Jurašin,
  • Marija Ćurlin,
  • Ivona Capjak,
  • Tea Crnković,
  • Marija Lovrić,
  • Michal Babič,
  • Daniel Horák,
  • Ivana Vinković Vrček and
  • Srećko Gajović

Beilstein J. Nanotechnol. 2016, 7, 246–262, doi:10.3762/bjnano.7.23

Graphical Abstract
  • their fate in living organisms are still lacking. In comparison to the bulk material, the colloidal stability of the nanoparticulate form of metal is usually more complicated. In colloidal systems, there are several possible interactions between the surface atoms of NPs and the molecules present in the
  • to the final concentration of 1 mg·L−1 just before DLS measurements. Among the most important parameters of colloidal systems is their particle size, which can be used as an indicator of their stability. DLS is the most common and versatile technique for measuring size distribution of NPs in
PDF
Album
Full Research Paper
Published 15 Feb 2016

Influence of stabilising agents and pH on the size of SnO2 nanoparticles

  • Olga Rac,
  • Patrycja Suchorska-Woźniak,
  • Marta Fiedot and
  • Helena Teterycz

Beilstein J. Nanotechnol. 2014, 5, 2192–2201, doi:10.3762/bjnano.5.228

Graphical Abstract
  • reaction is one of the oldest preparation methods for various, poorly soluble, chemical compounds, including metal oxides. Currently, it is also one of the "bottom-up" preparation methods for colloidal systems of metal oxides. The advantage of this method lies undoubtedly in its simplicity, but also the
  • the stabilising agent, and temperature. The main feature of colloidal systems in general (not only metal oxide colloids containing nanoparticles) is their tendency to reach the lowest thermodynamic energy state by the agglomeration of nanoparticles. This process usually results in an almost complete
PDF
Album
Full Research Paper
Published 20 Nov 2014

Lithium peroxide crystal clusters as a natural growth feature of discharge products in Li–O2 cells

  • Tatiana K. Zakharchenko,
  • Anna Y. Kozmenkova,
  • Daniil M. Itkis and
  • Eugene A. Goodilin

Beilstein J. Nanotechnol. 2013, 4, 758–762, doi:10.3762/bjnano.4.86

Graphical Abstract
  • to be formed as observed recently for carbon electrodes [12]. The generated pristine platelets produce a colloidal system under the conditions of their continuous homogeneous nucleation. Most of the layered colloidal systems tend to aggregate if no sufficient electrostatic or steric stabilization is
PDF
Album
Supp Info
Letter
Published 15 Nov 2013

Physics, chemistry and biology of functional nanostructures

  • Paul Ziemann and
  • Thomas Schimmel

Beilstein J. Nanotechnol. 2012, 3, 843–845, doi:10.3762/bjnano.3.94

Graphical Abstract
  • broader view on biomimetic approaches can be found in [8]. The choice of these recommendations becomes obvious on summarizing the main topics of the present Thematic Series: Nanolithography approaches based on self-organized colloidal systems Experimental and theoretical description of electrical
PDF
Editorial
Published 11 Dec 2012
Other Beilstein-Institut Open Science Activities