Search results

Search for "nanoparticles (NPs)" in Full Text gives 195 result(s) in Beilstein Journal of Nanotechnology.

Engineered titania nanomaterials in advanced clinical applications

  • Padmavati Sahare,
  • Paulina Govea Alvarez,
  • Juan Manual Sanchez Yanez,
  • Gabriel Luna-Bárcenas,
  • Samik Chakraborty,
  • Sujay Paul and
  • Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

Graphical Abstract
  • , inorganic, or organometallic material whose chemical, physical, and/or electrical properties change as a function of the size and shape of the material. Nanomaterials are designed at the atomic or molecular level, and most of the therapeutic nanoparticles (nps) are usually between 10 and 100 nm in size so
  • reported by Rehman [8], who used the photodynamic properties of TiO2 for killing HeLa cancer cells. The hydrophobic nature of photosensitizers commonly used in photodynamic therapy led to selectivity and aggregation issues that jeopardize their effectiveness. Therefore, TiO2 nanoparticles (nps), which
PDF
Album
Review
Published 14 Feb 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

Graphical Abstract
  • , Czech Republic 10.3762/bjnano.13.2 Abstract Sputter deposition of atoms onto liquid substrates aims at producing colloidal dispersions of small monodisperse ultrapure nanoparticles (NPs). Since sputtering onto liquids combines the advantages of the physical vapor deposition technique and classical
  • overview of the properties and applications of the produced NPs. Keywords: low-pressure plasmas; magnetron; nanoparticles; nanoparticle formation; sputtering; sputtering onto liquids; Introduction According to the general terminology, nanoparticles (NPs) are objects that have a size of less than 100 nm
PDF
Album
Supp Info
Review
Published 04 Jan 2022

Biocompatibility and cytotoxicity in vitro of surface-functionalized drug-loaded spinel ferrite nanoparticles

  • Sadaf Mushtaq,
  • Khuram Shahzad,
  • Tariq Saeed,
  • Anwar Ul-Hamid,
  • Bilal Haider Abbasi,
  • Nafees Ahmad,
  • Waqas Khalid,
  • Muhammad Atif,
  • Zulqurnain Ali and
  • Rashda Abbasi

Beilstein J. Nanotechnol. 2021, 12, 1339–1364, doi:10.3762/bjnano.12.99

Graphical Abstract
  • (MFe2O4, where M = Fe, Co, Ni, or Zn) nanoparticles (NPs) were developed as carriers of the anticancer drugs doxorubicin (DOX) and methotrexate (MTX). Physical characterizations confirmed the formation of pure cubic structures (14–22 nm) with magnetic properties. Drug-loaded NPs exhibited tumor
  • -assisted control of the behavior of MNPs makes them suitable candidates for targeted drug delivery, hyperthermia, biosensors, magnetic resonance imaging (MRI), and magnetic separation [9][10]. Magnetite (Fe3O4) nanoparticles (NPs), belonging to the spinel ferrite class, are the most extensively studied
PDF
Album
Full Research Paper
Published 02 Dec 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

Graphical Abstract
  • ]. Therefore, the shuttle effect often cannot be avoided. In order to solve this limitation, transition metal nanoparticles (NPs) or compounds are incorporated in the cathode. The metallic species is bonded to the carbon skeleton creating a dipole, which leads to dipole–dipole interactions with the
PDF
Album
Review
Published 09 Sep 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
  • years on the synthesis of nanoparticles (NPs)/nanomaterials (NMs) using carrageenan and a deep eutectic solvent (DES). The numbers have been obtained from SCOPUS-indexed journals using PubMed. Cytotoxicity of anisotropic gold metal nanoparticles in vitro and in vivo. Synthesis of gold nanoparticles of
PDF
Album
Review
Published 18 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

Graphical Abstract
  • combination with specific nanoparticles (NPs). The use of US in drug delivery has expanded greatly since the first report in 1989 [19]. Nowadays, advances made in new US-sensitive smart carriers have led US to become an effective technique to trigger drug delivery at targeted sites by tuning the power density
PDF
Album
Review
Published 11 Aug 2021

Silver nanoparticles induce the cardiomyogenic differentiation of bone marrow derived mesenchymal stem cells via telomere length extension

  • Khosro Adibkia,
  • Ali Ehsani,
  • Asma Jodaei,
  • Ezzatollah Fathi,
  • Raheleh Farahzadi and
  • Mohammad Barzegar-Jalali

Beilstein J. Nanotechnol. 2021, 12, 786–797, doi:10.3762/bjnano.12.62

Graphical Abstract
  • attention. Novel nanomaterials are being developed to improve disease treatment processes via biopharmaceutical molecules as well as the surface treatment of biomaterials [8][9]. Among nanoparticles (NPs), silver nanoparticles (Ag-NPs) are successfully commercialized due to their well-known antiseptic
PDF
Album
Full Research Paper
Published 02 Aug 2021

Stability and activity of platinum nanoparticles in the oxygen electroreduction reaction: is size or uniformity of primary importance?

  • Kirill O. Paperzh,
  • Anastasia A. Alekseenko,
  • Vadim A. Volochaev,
  • Ilya V. Pankov,
  • Olga A. Safronenko and
  • Vladimir E. Guterman

Beilstein J. Nanotechnol. 2021, 12, 593–606, doi:10.3762/bjnano.12.49

Graphical Abstract
  • urgent task and the optimization of their structure seems to be one of the possible solutions. In the present paper, Pt/C electrocatalysts containing small (2–2.6 nm) nanoparticles (NPs) of a similar size, uniformly distributed over the surface of a carbon support, were obtained by the original method of
  • hydrogen oxidation or an organic reducing agent oxidation (e.g. methanol) occur [4][5]. The need to carry out high-rate electrode reactions requires electrocatalysts (i.e., platinum nanoparticlesNPs – or its alloys), deposited mainly onto nano/microparticles of carbon supports, which are currently the
PDF
Album
Supp Info
Full Research Paper
Published 29 Jun 2021

The impact of molecular tumor profiling on the design strategies for targeting myeloid leukemia and EGFR/CD44-positive solid tumors

  • Nikola Geskovski,
  • Nadica Matevska-Geshkovska,
  • Simona Dimchevska Sazdovska,
  • Marija Glavas Dodov,
  • Kristina Mladenovska and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2021, 12, 375–401, doi:10.3762/bjnano.12.31

Graphical Abstract
  • transcription factors, but also as roadmaps for active targeting using novel nanoparticles (NPs). Furthermore, the use of nanotechnology for the delivery of cytotoxic drugs can also be valuable in facilitating cell-specific administration of drugs, improving their bioavailability, reducing side effects, and
PDF
Album
Review
Published 29 Apr 2021

Spontaneous shape transition of MnxGe1−x islands to long nanowires

  • S. Javad Rezvani,
  • Luc Favre,
  • Gabriele Giuli,
  • Yiming Wubulikasimu,
  • Isabelle Berbezier,
  • Augusto Marcelli,
  • Luca Boarino and
  • Nicola Pinto

Beilstein J. Nanotechnol. 2021, 12, 366–374, doi:10.3762/bjnano.12.30

Graphical Abstract
  • everywhere on the sample surface. A thicker Mn layer (6.7 ML), under the same annealing conditions, yields larger islands with a mean lateral size of ≈400 nm and a homogeneous distribution on the surface area (Figure 1b). Their irregular shape is the result of a coalescence process of smaller nanoparticles
  • (NPs). Further increase of the Mn layer thickness to 9 ML results in a closely packed film of agglomerated islands with a relatively uniform size distribution (≃100 nm) completely filling the surface (see Figure 1c). XRD in Bragg–Brentano geometry has been carried out on these islands on the annealed 9
PDF
Album
Full Research Paper
Published 28 Apr 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
  • nanoparticles; toxicity; uptake; Introduction Nanotechnology is a rapidly-growing industry that creates nanoscale products with novel physicochemical properties [1]. Nanoparticles (NPs) are particles with at least one dimension between 1 and 100 nm, which gives them unique properties for innovative
PDF
Album
Supp Info
Full Research Paper
Published 24 Mar 2021

Differences in surface chemistry of iron oxide nanoparticles result in different routes of internalization

  • Barbora Svitkova,
  • Vlasta Zavisova,
  • Veronika Nemethova,
  • Martina Koneracka,
  • Miroslava Kretova,
  • Filip Razga,
  • Monika Ursinyova and
  • Alena Gabelova

Beilstein J. Nanotechnol. 2021, 12, 270–281, doi:10.3762/bjnano.12.22

Graphical Abstract
  • surface charge), cell membrane properties (fluidity, type of receptors, and receptor density), and cell type [30][31][32]. For biomedical applications, the optimal size of nanocarriers is in the range of 95–200 nm because of the higher accumulation rate in tumors [33][34]. Spherical nanoparticles (NPs) in
PDF
Album
Supp Info
Full Research Paper
Published 23 Mar 2021

A review on the biological effects of nanomaterials on silkworm (Bombyx mori)

  • Sandra Senyo Fometu,
  • Guohua Wu,
  • Lin Ma and
  • Joan Shine Davids

Beilstein J. Nanotechnol. 2021, 12, 190–202, doi:10.3762/bjnano.12.15

Graphical Abstract
  • growth rate and development [116]. Li et al. [116] showed that low concentrations of nanoparticles (NPs) enhance larval body growth and feeding efficiency. Silkworm larvae fed with 5 or 10 mg/L of TiO2 NPs (with sizes in the range of 5–6 nm) improved the ingestion and digestibility of mulberry leaves
PDF
Album
Review
Published 12 Feb 2021

Bulk chemical composition contrast from attractive forces in AFM force spectroscopy

  • Dorothee Silbernagl,
  • Media Ghasem Zadeh Khorasani,
  • Natalia Cano Murillo,
  • Anna Maria Elert and
  • Heinz Sturm

Beilstein J. Nanotechnol. 2021, 12, 58–71, doi:10.3762/bjnano.12.5

Graphical Abstract
  • ) mixed and gradient behavior of boehmite/epoxy interphases can be quantified, and 3) structural changes of epoxy can be quantified by the parameter Fattr. Epoxy/polycarbonate/boehmite composite The third sample is comprised of three materials: epoxy, PC and boehmite nanoparticles (NPs). Boehmite NPs
PDF
Album
Supp Info
Full Research Paper
Published 18 Jan 2021

High-responsivity hybrid α-Ag2S/Si photodetector prepared by pulsed laser ablation in liquid

  • Raid A. Ismail,
  • Hanan A. Rawdhan and
  • Duha S. Ahmed

Beilstein J. Nanotechnol. 2020, 11, 1596–1607, doi:10.3762/bjnano.11.142

Graphical Abstract
  • Raid A. Ismail Hanan A. Rawdhan Duha S. Ahmed Department of Applied Science, University of Technology, Baghdad, Iraq 10.3762/bjnano.11.142 Abstract We report the synthesis of α-Ag2S nanoparticles (NPs) by one-step laser ablation of a silver target in aqueous solution of thiourea (Tu, CH4N2S
  • ][6]. Silver sulfide nanoparticles (NPs) are extensively used in many applications, such as photoconductors, solar cells, infrared (IR) photodetectors, biosensors, photocatalysts, and probes [7][8][9]. A number of techniques have been used to synthesize nanostructured Ag2S, including facile
PDF
Album
Full Research Paper
Published 21 Oct 2020

Cu2O nanoparticles for the degradation of methyl parathion

  • Juan Rizo,
  • David Díaz,
  • Benito Reyes-Trejo and
  • M. Josefina Arellano-Jiménez

Beilstein J. Nanotechnol. 2020, 11, 1546–1555, doi:10.3762/bjnano.11.137

Graphical Abstract
  • University of Texas at Dallas, Texas 75080, United States 10.3762/bjnano.11.137 Abstract Methyl parathion (MP) is one of the most neurotoxic pesticides. An inexpensive and reliable one-step degradation method of MP was achieved through an aqueous suspension of copper(I) oxide nanoparticles (NPs). Three
PDF
Album
Full Research Paper
Published 12 Oct 2020

Antimicrobial metal-based nanoparticles: a review on their synthesis, types and antimicrobial action

  • Matías Guerrero Correa,
  • Fernanda B. Martínez,
  • Cristian Patiño Vidal,
  • Camilo Streitt,
  • Juan Escrig and
  • Carol Lopez de Dicastillo

Beilstein J. Nanotechnol. 2020, 11, 1450–1469, doi:10.3762/bjnano.11.129

Graphical Abstract
  • community has been focusing on the study of nanomaterials, mainly metal-based nanoparticles (NPs), to test their antimicrobial properties and feasibility to eradicate contamination sources and diseases [5]. The chemical, physical, and biological properties of NPs have been improved on the nanometer scale
PDF
Album
Review
Published 25 Sep 2020

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
PDF
Album
Supp Info
Full Research Paper
Published 17 Sep 2020

Ultrasensitive detection of cadmium ions using a microcantilever-based piezoresistive sensor for groundwater

  • Dinesh Rotake,
  • Anand Darji and
  • Nitin Kale

Beilstein J. Nanotechnol. 2020, 11, 1242–1253, doi:10.3762/bjnano.11.108

Graphical Abstract
  • , nanoparticles (NPs), and MEMS, to selectively target Cd(II) in the picomolar range. Also, excessive commercialization of nanoparticles leads to increasing their harmful effect on life and the environment by [44][45][46]. In this article, an attempt is made to expand the AuNP-based technology proposed by [34
PDF
Album
Full Research Paper
Published 18 Aug 2020

Photothermally active nanoparticles as a promising tool for eliminating bacteria and biofilms

  • Mykola Borzenkov,
  • Piersandro Pallavicini,
  • Angelo Taglietti,
  • Laura D’Alfonso,
  • Maddalena Collini and
  • Giuseppe Chirico

Beilstein J. Nanotechnol. 2020, 11, 1134–1146, doi:10.3762/bjnano.11.98

Graphical Abstract
  • ratio of photothermally active nanoparticles (NPs) used for the temperature-induced bacteria and biofilm ablation. Schematic showing the relationship between photothermally active nanoparticles and nanocomposites for bacteria and biofilm eradication. Preparation of a dual-function antibacterial surface
PDF
Album
Review
Published 31 Jul 2020

Gram-scale synthesis of splat-shaped Ag–TiO2 nanocomposites for enhanced antimicrobial properties

  • Mohammad Jaber,
  • Asim Mushtaq,
  • Kebiao Zhang,
  • Jindan Wu,
  • Dandan Luo,
  • Zihan Yi,
  • M. Zubair Iqbal and
  • Xiangdong Kong

Beilstein J. Nanotechnol. 2020, 11, 1119–1125, doi:10.3762/bjnano.11.96

Graphical Abstract
  • . Particularly, metal and metal-oxide-based disinfectants containing inorganic nanoparticles (NPs) have been broadly used since they simultaneously reduce the toxicity risk related to the organic materials and control the bacterial resistance against antibiotics [8]. Among the various types of nanomaterials
PDF
Album
Full Research Paper
Published 29 Jul 2020

Straightforward synthesis of gold nanoparticles by adding water to an engineered small dendrimer

  • Sébastien Gottis,
  • Régis Laurent,
  • Vincent Collière and
  • Anne-Marie Caminade

Beilstein J. Nanotechnol. 2020, 11, 1110–1118, doi:10.3762/bjnano.11.95

Graphical Abstract
  • Research on nanoparticles (NPs) in general, and gold nanoparticles in particular, results in the generation of thousands of publications every year, including reviews [1][2]. Different applications for gold nanoparticles have been proposed, for example, in catalysis [3][4] and in biology [5] – especially
PDF
Album
Supp Info
Letter
Published 28 Jul 2020

Highly sensitive detection of estradiol by a SERS sensor based on TiO2 covered with gold nanoparticles

  • Andrea Brognara,
  • Ili F. Mohamad Ali Nasri,
  • Beatrice R. Bricchi,
  • Andrea Li Bassi,
  • Caroline Gauchotte-Lindsay,
  • Matteo Ghidelli and
  • Nathalie Lidgi-Guigui

Beilstein J. Nanotechnol. 2020, 11, 1026–1035, doi:10.3762/bjnano.11.87

Graphical Abstract
  • water. SERS is mainly based on an electromagnetic effect that originates from the excitation of plasmon resonances, in particular of localized surface plasmons (LSPs) in metallic nanoparticles (NPs). Other effects may contribute to the enhancement such as the formation of hot spots or lightning rod
PDF
Album
Full Research Paper
Published 14 Jul 2020

Nickel nanoparticles supported on a covalent triazine framework as electrocatalyst for oxygen evolution reaction and oxygen reduction reactions

  • Secil Öztürk,
  • Yu-Xuan Xiao,
  • Dennis Dietrich,
  • Beatriz Giesen,
  • Juri Barthel,
  • Jie Ying,
  • Xiao-Yu Yang and
  • Christoph Janiak

Beilstein J. Nanotechnol. 2020, 11, 770–781, doi:10.3762/bjnano.11.62

Graphical Abstract
  • characterization of Ni/CTF For the synthesis of Ni nanoparticles (NPs) on the CTFs, the precursors bis(cycloocta-1,5-diene)nickel(0) (Ni(COD)2) and CTF were suspended in [BMIm][NTf2] by stirring under inert conditions for 12 h. The homogenized suspension was irradiated with microwaves and yielded Ni NPs
PDF
Album
Supp Info
Full Research Paper
Published 11 May 2020

Identification of physicochemical properties that modulate nanoparticle aggregation in blood

  • Ludovica Soddu,
  • Duong N. Trinh,
  • Eimear Dunne,
  • Dermot Kenny,
  • Giorgia Bernardini,
  • Ida Kokalari,
  • Arianna Marucco,
  • Marco P. Monopoli and
  • Ivana Fenoglio

Beilstein J. Nanotechnol. 2020, 11, 550–567, doi:10.3762/bjnano.11.44

Graphical Abstract
  • between the number of numerous formulation types synthesised in research laboratories and those approved for clinics [1], mainly due to the lack of understanding on the nanoparticles (NPs) behaviour in complex media that can affect their efficacy and their biocompatibility [2]. Safe-by-design (SbD
PDF
Album
Supp Info
Full Research Paper
Published 03 Apr 2020
Other Beilstein-Institut Open Science Activities