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Search for "assembly" in Full Text gives 513 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Multiscale modelling of biomolecular corona formation on metallic surfaces

  • Parinaz Mosaddeghi Amini,
  • Ian Rouse,
  • Julia Subbotina and
  • Vladimir Lobaskin

Beilstein J. Nanotechnol. 2024, 15, 215–229, doi:10.3762/bjnano.15.21

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  • proteins, we utilize the I-TASSER (Iterative Threading ASSEmbly Refinement) 5.1 software [41], which uses the protein’s AA sequences as an input. For this study, we have chosen six representative cow milk proteins and lactose, which constitute most of the non-fat milk solids. Table 1 displays properties of
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Published 13 Feb 2024

Ion beam processing of DNA origami nanostructures

  • Leo Sala,
  • Agnes Zerolová,
  • Violaine Vizcaino,
  • Alain Mery,
  • Alicja Domaracka,
  • Hermann Rothard,
  • Philippe Boduch,
  • Dominik Pinkas and
  • Jaroslav Kocišek

Beilstein J. Nanotechnol. 2024, 15, 207–214, doi:10.3762/bjnano.15.20

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  • nanometer scale and the nanometric precision of DNA origami-based assembly open possibilities in more precise tuning and control of nanofabrication. Here we analyze the consequences of ion beam irradiation on 2D DNA origami nanotriangles deposited on Si as a model substrate and resulting nanostructure
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Published 12 Feb 2024

Ferromagnetic resonance spectra of linear magnetosome chains

  • Elizaveta M. Gubanova and
  • Nikolai A. Usov

Beilstein J. Nanotechnol. 2024, 15, 157–167, doi:10.3762/bjnano.15.15

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  • ferromagnetic resonance (FMR) spectra of oriented and non-oriented assemblies of linear magnetosome chains are calculated by solving the stochastic Landau–Lifshitz equation. The dependence of the shape of the FMR spectrum of a dilute assembly of chains on the particle diameter, the number of particles in a
  • chain and a number of particle magnetic parameters. It has been shown recently [26][27][28] that the true geometry of the magnetosome chains has a great influence on the magnetostatic properties of the chain assembly. In this regard, it should be noted that the correct calculation of the FMR spectra of
  • [1][2][3][4][7][8][9][16][17][18][19][20][21][22][23] accumulated to date for assemblies of magnetosome chains. Numerical Simulation Consider a dilute assembly of linear chains of magnetosomes consisting of Np spherical nanoparticles of average diameter D. Dynamics of the unit magnetization vector
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Published 05 Feb 2024

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

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  • studies on CdSe/ZnS nanodots as dopants in a polymer–fullerene matrix for application in organic solar cells. An assembly of poly(3-hexylthiophene-2,5-diyl) and 6,6-phenyl-C71-butyric acid methyl ester was used as the active reference layer. Absorption and luminescence spectra as well as the dispersion
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Published 02 Feb 2024

In situ optical sub-wavelength thickness control of porous anodic aluminum oxide

  • Aleksandrs Dutovs,
  • Raimonds Popļausks,
  • Oskars Putāns,
  • Vladislavs Perkanuks,
  • Aušrinė Jurkevičiūtė,
  • Tomas Tamulevičius,
  • Uldis Malinovskis,
  • Iryna Olyshevets,
  • Donats Erts and
  • Juris Prikulis

Beilstein J. Nanotechnol. 2024, 15, 126–133, doi:10.3762/bjnano.15.12

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  • of templates, including evaporation masks [8][9][10], molds for nanowire array production using the supercritical fluid method [11], electrochemical deposition [12], atomic layer deposition [13], or traps for colloidal nanoparticle assembly [14]. Several applications, for example, color filtering [15
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Published 31 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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  • , assembly, and optical properties [113]. These nanoformulations can be synthesized through chemical, physical, or biological processes and are solely generated from metal precursors such as silver and gold [114][115]. In addition, MNPs have been widely used in therapy, drug delivery, targeting, and imaging
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Published 04 Jan 2024

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

  • Suyi Liu,
  • Yasuo Norikane and
  • Yoshihiro Kikkawa

Beilstein J. Nanotechnol. 2023, 14, 872–892, doi:10.3762/bjnano.14.72

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  • related to energy and environment, among others. However, the fabrication of ordered nanoarchitectures remains a challenge, even in two dimensions. Therefore, a deeper understanding of the self-assembly processes and substantial factors for building ordered structures is critical for tailoring flexible
  • -assembly; solid/liquid interface; two-dimensional networks; Introduction The fabrication of ordered nanostructures using the concept of nanoarchitectonics [1][2][3][4] for various applications such as nanomachines, nanoelectronics, catalysis, and nanopatterning remains challenging [5][6][7]. Design and
  • synthesis of molecular building blocks have enabled the construction of well-organized nanoarchitectures with various dimensions [8][9][10][11]. These characteristic structural formations are governed by self-assembly processes via non-covalent intermolecular interactions, such as hydrogen bonding, metal
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Published 23 Aug 2023

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

  • Phommachith Sonexai,
  • Minh Van Nguyen,
  • Bui The Huy and
  • Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

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  • expensive and time-consuming photolithography. The resulting devices were utilized to produce uniformly distributed silver nanoparticles that were then applied to the surface of a porous silicon substrate via a self-assembly technique. This created SERS substrates detecting RhB and MLM with detection limits
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Published 21 Jul 2023

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

  • Jelena Kosmaca,
  • Juris Katkevics,
  • Jana Andzane,
  • Raitis Sondors,
  • Liga Jasulaneca,
  • Raimonds Meija,
  • Kiryl Niherysh,
  • Yelyzaveta Rublova and
  • Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

Graphical Abstract
  • effect of humidity on dielectrophoretically assembled CuO nanowire network systems with multiple interconnects, which may become very advantageous for the scalable assembly of CuO nanowire-based devices as NEMS [5], sensors [2], and thermoelectric modules [4], is yet to be reported. In this work, CuO
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Published 05 Jun 2023

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

  • Akeem Adeyemi Oladipo,
  • Saba Derakhshan Oskouei and
  • Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

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  • extremely low densities (0.1–1 g·cm−3), the highest specific surface areas (165–7800 m2·g−1) currently known, tunable surface properties, good mechanical and thermal stability, intriguing and controllable morphologies, and uniform yet tunable pores that are created by the self-assembly of metal ions or
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Published 01 Jun 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

Graphical Abstract
  • assembly of biological and inorganic components is being increasingly developed with the aim of achieving high-quality functional materials exhibiting properties of living species, but entrapped within inorganic solid structures [2][3]. When such assembly processes are carried out at the nanometre scale
  • nanoarchitectonics approach involves the manipulation at the nanometre or molecular level, using chemical reactions, processes of self-assembly and self-organization, as well as modulation under external stimuli. This strategy represents a path of great interest to develop new biohybrid materials harbouring
  • systems studied during the past decades were based on the encapsulation of enzymes and yeast spores within silica gels for the design of biosensors and bioreactors [9][10][11][12]. Biological entities can be considered themselves excellent examples of self-assembly occurring in nature [13]. Based on these
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Published 25 Apr 2023

Specific absorption rate of randomly oriented magnetic nanoparticles in a static magnetic field

  • Ruslan A. Rytov and
  • Nikolai A. Usov

Beilstein J. Nanotechnol. 2023, 14, 485–493, doi:10.3762/bjnano.14.39

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  • amplitude, Hac = 100–200 Oe [1][7][8]. In magnetic hyperthermia, magnetic nanoparticles are introduced into the tumor and heated by absorbing the energy of the ac magnetic field. The intensity of heat release is characterized by the specific absorption rate (SAR) of an assembly. Maintaining a temperature in
  • hysteresis loops of assemblies under the influence of ac and dc magnetic fields were carried out in [13][14]. It was shown [13] that an application of dc magnetic fields with Hdc ≥ 400 Oe is sufficient to completely suppress the SAR of an assembly of FeCo nanoparticles. It was also found [14] that for
  • biological media can be considered fixed and random. In this case, the dynamics of the assembly magnetization depends on the parameters of the external magnetic field, as well as on the magnetic and geometric parameters of an assembly [20][22][25][26]. To develop the joint MPI-MH technique, it is necessary
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Published 14 Apr 2023

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

  • Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

Graphical Abstract
  • imaging at the atomic and molecular level has revealed the self-assembly mechanisms of crystal nuclei in organic crystals and metal-organic frameworks [42]. It has become possible to obtain statistical information on the size and structure of individual prenucleation clusters that cannot be examined by
  • , fabrication engineering, and bio-related science (Figure 1) [51][52]. Materials synthesis by nanoarchitectonics is envisioned to integrate and use various processes [53]. For example, physical/chemical material transformation, atomic/molecular manipulation, self-assembly/self-organization, arrangement and
  • asymmetric and hierarchical. Compared to structures created by self-assembly based on simple equilibrium processes, more hierarchical and complex structures are obtained in nanoarchitectonics processes [54]. In addition, several uncertainties in the nanoscale world from which architectures are derived have a
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Published 03 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

New trends in nanobiotechnology

  • Pau-Loke Show,
  • Kit Wayne Chew,
  • Wee-Jun Ong,
  • Sunita Varjani and
  • Joon Ching Juan

Beilstein J. Nanotechnol. 2023, 14, 377–379, doi:10.3762/bjnano.14.32

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  • -assembly; wet chemical reduction; The widespread use of nanotechnology has reached almost every sector in our daily lives and amazed the world by offering various potential applications in these sectors. The uprising wave of nanotechnology and its application are now prominent in the fields of chemistry
  • biocompatibility of the nanomaterials is also discussed. The thematic issue also recorded a work on the topic of “Self-assembly of amino acids toward functional biomaterials” [5], where the role of biomaterials in nanobiotechnology is discussed. In this review, the latest advances in amino acid self-assembly and
  • properties associated with the process and yielded products are highlighted. The self-assembly methods in focus included single amino acid self-assembly, functional amino acid self-assembly, amino acid and metal ion coordination self-assembly, and amino acid regulatory functional molecule self-assembly. Many
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Published 27 Mar 2023

Biocatalytic synthesis and ordered self-assembly of silica nanoparticles via a silica-binding peptide

  • Mustafa Gungormus

Beilstein J. Nanotechnol. 2023, 14, 280–290, doi:10.3762/bjnano.14.25

Graphical Abstract
  • and proteins, have been demonstrated to be useful in the synthesis and self-assembly of inorganic nanostructures. Herein, we describe a simple Stöber-based method wherein both the synthesis and the self-assembly of SiO2 nanoparticles can be facilitated by a silica-binding peptide (SiBP). We
  • with NH3, the SiBP produces smaller and more uniformly distributed submicrometer particles. The SiBP also improves the long-range self-assembly of the as-grown particles into an opal-like structure by changing the surface charge, without any need for further modification or processing of the particles
  • . The results presented here provide a biomimetic route to the single-step synthesis and assembly of SiO2 nanoparticles into colloidal gels or opal-like structures. Keywords: biocatalysis; biomimetics; nanoparticle; peptide; self-assembly; silica; Introduction Ordered structures of nanoparticles have
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Published 28 Feb 2023

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

  • Filip Gorachinov,
  • Fatima Mraiche,
  • Diala Alhaj Moustafa,
  • Ola Hishari,
  • Yomna Ismail,
  • Jensa Joseph,
  • Maja Simonoska Crcarevska,
  • Marija Glavas Dodov,
  • Nikola Geskovski and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

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  • subcellular targeting, were synthesized by click coupling reactions or arranged by self-assembly and co-assembly of block copolymers. These carriers may challenge different barriers after bioresponsive cleavage of the above functionalities. One recently published example involves a micellar structure composed
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Published 22 Feb 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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  • inclusion complex (thus, the ternary assembly is also disassembled). As the result, the siRNA cargo is released and shows excellent cytotoxicity against cancer cells. In Figure 5, NIR light is used (instead of UV in Figure 4) to release siRNA at the target site. As described in section 2.3, the NIR
  • inclusion complexes with β-CyD. Hence, the whole assembly spontaneously dissociated (Figure 5b). Furthermore, the azo groups were exposed to cytoplasm during the dissociation of nanoparticles and digested by the enzyme azoreductase. This unique enzyme is abundant in the cells of eukaryotes and degrades azo
  • , this method is less affected by drug resistance and side-effects. A hydrogel was prepared by using both the electrostatic self-assembly between graphene oxide and a quaternized polymer and the formation of a pseudopolyrotaxane between α-CyD and poly(ethylene glycol) monomethyl ether (many α-CyD
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Published 09 Feb 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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  • graphitization were used as carbon supports. The best electrochemical measurement results were obtained for Pt deposited on Vulcan XC-72R. The peak power density measured for this material in a membrane electrode assembly (MEA) of a PEMFC (fed with H2/Air) was 0.41 W/cm2, which is a good result compared to 0.57
  • catalysts in a membrane electrode assembly (MEA) of PEMFCs fed with H2/air. The materials with Pt deposited on Vulcan XC-72R (samples A and B), like commercial catalysts, formed a good quality catalyst layer on the Nafion membranes. However, we encountered some issues during electrode preparation from the
  • the amount of Pt deposited by PLD. The results of performance tests of Pt-based catalysts conducted in a membrane electrode assembly are shown in Figure 7. Polarization curves shown in Figure 7a are used to assess the influence of cell construction on the value of activation, resistance, and transport
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Published 02 Feb 2023

Formation of nanoflowers: Au and Ni silicide cores surrounded by SiOx branches

  • Feitao Li,
  • Siyao Wan,
  • Dong Wang and
  • Peter Schaaf

Beilstein J. Nanotechnol. 2023, 14, 133–140, doi:10.3762/bjnano.14.14

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  • areas consist of more Si and Ni in 5Au15Ni and 10Au10Ni but less Ni in 15Au5Ni, which has the lowest Ni concentration (Supporting Information File 1, Figure S5). The line structures show epitaxial self-assembly growth and their EDS results show a comparatively high content of Ni apart from Si, which may
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Published 20 Jan 2023

Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating

  • Jessica Plé,
  • Marine Dabert,
  • Helene Lecoq,
  • Sophie Hellé,
  • Lydie Ploux and
  • Lavinia Balan

Beilstein J. Nanotechnol. 2023, 14, 95–109, doi:10.3762/bjnano.14.11

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  • properties exhibited by the Ag@polymer-functionalized textiles (Figure 1a and 1b) were then investigated via reflectance measurements. As shown in Figure 3, the Ag@PEG600DA coating is more reflective than the Ag@PEG600DA/PETIA sample (97% and 68% at 650 nm, respectively). Particle assembly and distribution
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Published 12 Jan 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

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  • Particles with attractive patches are appealing candidates to be used as building units to fabricate novel colloidal architectures by self-assembly. Here, we report the synthesis of one-patch silica nanoparticles, which consist of silica half-spheres whose concave face carries in its center a polymeric
  • patch made of grafted polystyrene chains. The multistage synthesis allows for a fine control of the patch-to-particle size ratio from 0.23 to 0.57. The assembly of the patchy nanoparticles can be triggered by reducing the solvent quality for the polystyrene chains. Dimers or trimers can be obtained by
  • tuning the patch-to-particle size ratio. When mixed with two-patch nanoparticles, one-patch nanoparticles control the length of the resulting chains by behaving as colloidal chain stoppers. The present strategy allows for future elaboration of novel colloidal structures by controlled assembly of
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Published 06 Jan 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

Graphical Abstract
  • through π–π interaction and with neighboring isoalloxazine groups via hydrogen bonding, promotes the ordered assembly of riboflavin molecules on the surface of SWCNTs [9][17]. Papadimitrakopoulos et al. described the helical wrapping of flavin mononucleotide through π–π interaction between the
  • adjacent riboflavin molecules (Figure 5b). As the riboflavin–dextran complex was relaxed, the binding energy between the riboflavin assembly and the dextran molecule was calculated. It was found that in the case of dextran in the top position (Figure 5a), weak van der Waals interactions do not depend
  • riboflavin assembly (Figure 5b), different bonding patterns are observed depending on the mutual orientation of the adjacent isoalloxazine moieties. The strength of bonding between neighboring riboflavin molecules is proportional to the type of riboflavin helix around a particular SWCNT. The yield of
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Published 22 Dec 2022

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

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  • monometallic (nanoG) structures or core–shell bimetallic (nanoGS) architectures with an external silver layer. Here, we describe the preparation of a supramolecular assembly between nanoGS and pentamidine, an antileishmanial drug endowed with a wide range of therapeutic properties (i.e., antimicrobial, anti
  • -inflammatory, and anticancer). The physicochemical characterization of the supramolecular assembly (nanoGSP) in terms of size and colloidal stability was investigated by complementary spectroscopic techniques, such as UV–vis, ζ-potential, and dynamic light scattering (DLS). Furthermore, the role of PolyCD
  • , Figure 1) achieved by supramolecular assembly of the components as well as their physicochemical characterization in terms of size and colloidal stability. The drug binding ability of nanoGS with Pent has been investigated by complementary spectroscopic techniques such as UV–vis, zeta potential (ζ
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Published 18 Nov 2022

Near-infrared photoactive Ag-Zn-Ga-S-Se quantum dots for high-performance quantum dot-sensitized solar cells

  • Roopakala Kottayi,
  • Ilangovan Veerappan and
  • Ramadasse Sittaramane

Beilstein J. Nanotechnol. 2022, 13, 1337–1344, doi:10.3762/bjnano.13.110

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  • 24 h with a MPA/acetonitrile solution 3:7 (v/v). This substrate was then immersed into the colloidal AZGSSe QD solution for 48 h to obtain the AZGSSe-sensitized TiO2 NF-based photoanode. Assembly of QDSCs Earlier reports revealed that Cu2S is a low-cost and efficient counter electrode (CE) for QDSCs
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Published 14 Nov 2022
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