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

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

• bioconstructs, and from functional nanostructured surfaces to smart materials and nanofluidics. In all these applications, it is important to consider the nanotoxicological and possible harmful impact of nanomaterials on living organisms [2]. In fact, the evaluation of the safety of a novel nanodevice is a

Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities

• Akif Hakan Kurt,
• Elif Berna Olutas,
• Fatma Avcioglu,
• Hamza Karakuş,
• Mehmet Ali Sungur,
• Cansu Kara Oztabag and
• Muhammet Yıldırım

Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31

• biggest problems in the development of new drugs [3]. One of the approaches to overcome these problems is nanoparticle carriers. These carriers are advantageous because their high surface area and good adhesion to biological surfaces increase solubility and dissolution rate [4]. The Gram-positive

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

• , nanocarriers need to be engineered to add functionalities, both in their cores and at their surfaces. This includes therapeutic drugs and genes, targeting moieties, performance enhancers (e.g., for barrier penetration and to avoid opsonization), and imaging agents [2][3]. Core and matrix of the nanoparticles

• cellulose nanoparticles obtained from nanoemulsions with an O/S (ethyl acetate/poly(oxyethylene)(10) oleyl ether) ratio of 70/30 and 90 wt % of water. The ethyl acetate phase contained 4 wt % of ethyl cellulose. Figure 2 was reprinted from [43], Colloids and Surfaces B: Biointerfaces, vol. 145, by G

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

• molecular crowding-like effects, preventing efficient assembly of the particles. Therefore, tailoring intermolecular interactions between nanoparticles by modifying the particle surfaces or through external influences such as temperature, pH value, templates, and magnetic or flow fields, is important to

• utility of a silica-binding peptide (SiBP) in the single-step synthesis and self-assembly of SiO2 nanoparticles into ordered 3D structures. The SiBP is a member of the “solid-binding peptides” family. Solid-binding peptides are designed to have strong and often specific binding affinity to solid surfaces

• [17][18]. Because of their interactions with solid surfaces, these peptides have been shown to be able to functionalize nanostructures, catalyze the formation of nanostructures, and modify the nucleation, growth and self-assembly processes [19][20][21][22][23][24]. For this study, we have selected a

Recent progress in cancer cell membrane-based nanoparticles for biomedical applications

• Qixiong Lin,
• Yueyou Peng,
• Yanyan Wen,
• Xiaoqiong Li,
• Donglian Du,
• Weibin Dai,
• Wei Tian and
• Yanfeng Meng

Beilstein J. Nanotechnol. 2023, 14, 262–279, doi:10.3762/bjnano.14.24

• immunotherapy can trigger antitumor-specific immune responses and establish long-term immune memory [118]. Cancer cell membranes have become a unique method for the preparation of biomimetic nanovaccines due to the numerous tumor-specific antigens carried on their surfaces [118]. A type of microneedle

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

• cell-like (RBC) surfaces, a “do not eat me” CD47 cell signal, and an immuno-suppressive protein shell instead of, or combined with, a PEG corona are among the most common biomimetic cell membrane-based NP examples in literature. So-called red blood cell vesicle shell nanoparticles (RVPNs), or RBC

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

• ™ (1100 e.w., Ion Power Inc., United States) by ultrasonic mixing. The ratio of the ionomer to the studied Pt-based catalyst mass in a dry electrode was 0.1. The disc-ring electrode surfaces were polished and checked for purity before applying the catalyst layer by cyclic voltammetry in a 0.5 M H2SO4

• Nafion solution was applied in an amount needed to maintain approximately 30 vol % of dry Nafion in the catalytic layer. As a result, the catalyst was deposited on the cathode and anode surfaces in an amount of 0.2 mg Pt per cm2. The ink on the surface of the membranes was applied by brush painting at a

High–low Kelvin probe force spectroscopy for measuring the interface state density

• Ryo Izumi,
• Masato Miyazaki,
• Yan Jun Li and
• Yasuhiro Sugawara

Beilstein J. Nanotechnol. 2023, 14, 175–189, doi:10.3762/bjnano.14.18

• surfaces to confirm the dependence of the electrostatic force on the frequency of the AC bias voltage and obtain the interface state density. Keywords: high–low Kelvin probe force microscopy; high–low Kelvin probe force spectroscopy; interface state density; Kelvin probe force microscopy; Kelvin probe

• [1][2][3]. Therefore, direct observation of semiconductor surfaces with nanoscale spatial resolution will become even more important for understanding and controlling the effects of these properties on devices and for evaluating semiconductor device operation. Kelvin probe force microscopy (KPFM) is

• have been performed on a variety of sample surfaces, including metals [9][10], semiconductors [11][12][13][14], and insulators [15][16][17]. When a semiconductor sample is measured by KPFM, the measured CPD is related to information about the semiconductor properties such as dopant density, surface

Structural, optical, and bioimaging characterization of carbon quantum dots solvothermally synthesized from o-phenylenediamine

• Zoran M. Marković,
• Milica D. Budimir,
• Martin Danko,
• Dušan D. Milivojević,
• Pavel Kubat,
• Danica Z. Zmejkoski,
• Vladimir B. Pavlović,
• Marija M. Mojsin,
• Milena J. Stevanović and
• Biljana M. Todorović Marković

Beilstein J. Nanotechnol. 2023, 14, 165–174, doi:10.3762/bjnano.14.17

• excitation wavelength was 330 nm. Antibacterial testing International standard ISO 22196 (Plastics – Measurement of antibacterial activity on plastic surfaces) was used to examine the antibacterial activity of CQDs/PU composites [54]. The following strains were used for testing: Staphylococcus aureus ATCC

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

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

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

• referred to as cavities below. The enlarged view of the morphologies of the circular spots and the structure details outside the cavities are shown in Figure 1. Flower-like structures, called nanoflowers below, and particles with smooth surfaces can be observed in 5Au15Ni and 10Au10Ni. However, only

Intermodal coupling spectroscopy of mechanical modes in microcantilevers

• Ioan Ignat,
• Bernhard Schuster,
• Jonas Hafner,
• MinHee Kwon,
• Daniel Platz and
• Ulrich Schmid

Beilstein J. Nanotechnol. 2023, 14, 123–132, doi:10.3762/bjnano.14.13

• ; Introduction Atomic force microscopy has established itself as one of the most powerful tools in nanotechnology. With meticulous setups amassing techniques such as ultra high vacuum, cryogenic temperatures, and CO-terminated tips, it is able to create a wonderful vista of surfaces, not missing the atoms for

Characterisation of a micrometer-scale active plasmonic element by means of complementary computational and experimental methods

• Ciarán Barron,
• Giulia Di Fazio,
• Samuel Kenny,
• Silas O’Toole,
• Robin O’Reilly and
• Dominic Zerulla

Beilstein J. Nanotechnol. 2023, 14, 110–122, doi:10.3762/bjnano.14.12

• surfaces of the model, keeping them at room temperature (293.15 K). An alternating voltage with a DC offset Vin(t) = V0 · (1 + sin(2πft)), where V0 = 200.0 mV and f = 631 Hz, was applied across the silver layer. The voltage was chosen so as to guarantee a correspondence with the experiments in terms of

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

• Biomédecine de Strasbourg, F-67000 Strasbourg, France Université de Strasbourg, Faculté Dentaire, F-67000 Strasbourg, France CNRS, F-67000 Strasbourg, France 10.3762/bjnano.14.11 Abstract The control of microbial proliferation is a constant battle, especially in the medical field where surfaces, equipment

• , and textiles need to be cleaned on a daily basis. Silver nanoparticles (AgNPs) possess well-documented antimicrobial properties and by combining them with a physical matrix, they can be applied to various surfaces to limit microbial contamination. With this in mind, a rapid and easy way to implement a

• , whether it be medically speaking, in agriculture or simply in built environments. Improving the indoor air quality, while limiting the spread of bacteria, fungi, or viruses on various surfaces has become the focus of many research teams today, especially in the wake of the on-going COVID19 pandemic [1][2

Combining physical vapor deposition structuration with dealloying for the creation of a highly efficient SERS platform

• Adrien Chauvin,
• Walter Puglisi,
• Damien Thiry,
• Cristina Satriano,
• Rony Snyders and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2023, 14, 83–94, doi:10.3762/bjnano.14.10

• Adrien Chauvin Walter Puglisi Damien Thiry Cristina Satriano Rony Snyders Carla Bittencourt Plasma-Surface Interaction Chemistry, University of Mons, 23 Place du Parc, 7000 Mons, Belgium Chemistry of Surfaces, Interfaces and Nanomaterials, Faculty of Sciences, Université libre de Bruxelles, 50

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

• , both electrostatic repulsions between NPs were reduced due to negatively charged silanolate groups at their surfaces and the solvent quality for the PS chains [29]. The statistical analysis of the TEM images obtained from samples collected at different incubation times allowed us to plot the time

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

• Chang-Ming Wang,
• Hong-Sheng Chan,
• Chia-Li Liao,
• Che-Wei Chang and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

• force microscopy (Dimension Fastscan, Bruker Nano Surfaces, Hsinchu, Taiwan). Results and Discussion The results of selective SAM removal are visualized by backfilling biotinylated alkanethiol (BAT) molecules into the post lift-off regions followed by conjugating streptavidin and FITC-labeled anti

Atmospheric water harvesting using functionalized carbon nanocones

• Fernanda R. Leivas and
• Marcia C. Barbosa

Beilstein J. Nanotechnol. 2023, 14, 1–10, doi:10.3762/bjnano.14.1

• . Figure 8b illustrates the mean square displacement of the water molecules on the collecting slab, indicating a very small and constant mobility, thus confirming the ice-like behavior. What happens to the system when hydrophilic interactions between water and surfaces are increased? In order to answer

Electrical and optical enhancement of ITO/Mo bilayer thin films via laser annealing

• Abdelbaki Hacini,
• Ahmad Hadi Ali,
• Nurul Nadia Adnan and
• Nafarizal Nayan

Beilstein J. Nanotechnol. 2022, 13, 1589–1595, doi:10.3762/bjnano.13.133

• annealing, a laser beam irradiates the surface layer of the thin film without causing damage. The temperature increases quickly during the process within a short period [24][27]. The laser beam must have a uniform intensity with asymmetrical distribution to obtain surfaces of good morphology with low

From a free electron gas to confined states: A mixed island of PTCDA and copper phthalocyanine on Ag(111)

• Alfred J. Weymouth,
• Emily Roche and
• Franz J. Giessibl

Beilstein J. Nanotechnol. 2022, 13, 1572–1577, doi:10.3762/bjnano.13.131

• coverage, lies flat on metal surfaces. Submonolayer coverage of PTCDA on Ag(111) is known to form islands with a herringbone reconstruction [3][4]. These islands are hosts to an interface state that acts like a free-electron gas [5]. This interface state has been observed with two-photon photoelectron

• Information File 1. A natural complement to PTCDA is copper phthalocyanine (CuPc) for several reasons: First, CuPc and PTCDA together can form an organic light-emitting diode with PTCDA as the acceptor [14]. Second, CuPc [15] and PTCDA both lie flat on metal surfaces at submonolayer coverage, enabling high

• -precision STM and atomic force microscopy (AFM) scanning. Third, CuPc and PTCDA are known to form commensurate phases on flat metal surfaces. In particular, they have been well studied at different stoichiometries on Ag(111) [16]. Henneke and co-workers showed that more than 0.15 ML of PTCDA in addition to

Induced electric conductivity in organic polymers

• Konstantin Y. Arutyunov,
• Anatoli S. Gurski,
• Vladimir V. Artemov,
• Alexander L. Vasiliev,
• Azat R. Yusupov,
• Danfis D. Karamov and
• Alexei N. Lachinov

Beilstein J. Nanotechnol. 2022, 13, 1551–1557, doi:10.3762/bjnano.13.128

• films can be obtained by centrifugation from a solution in cyclohexanone on a metal surface with a thickness from several nanometers up to micrometers. High homogeneity and defect-free surfaces on nanoscopic scales have been repeatedly confirmed by various methods, including scanning tunneling and

• without exposure to room atmosphere between cycles of formation of different layers. Glass or oxidized silicon were used as substrates. The substrates were preliminarily cleaned in ethanol and distilled water in an ultrasonic bath. The surfaces were hydrophilized by treating the substrates with

Non-stoichiometric magnetite as catalyst for the photocatalytic degradation of phenol and 2,6-dibromo-4-methylphenol – a new approach in water treatment

• Joanna Kisała,
• Anna Tomaszewska and
• Przemysław Kolek

Beilstein J. Nanotechnol. 2022, 13, 1531–1540, doi:10.3762/bjnano.13.126

• Table 1). As a result, at pH 8 the surfaces of these two magnetite catalysts have opposite charges, which was shown in the zeta potential measurements of the catalysts (−0.37 mV and +14.4 mV for M1 and M2, respectively). These findings are in line with those previously observed by Hou et al. [29] on

• , approximately 50% and 98% of DBMP was degraded via direct photolysis and photocatalysis, respectively (after 60 min). The efficiency of phenol photocatalysis was low (ca. 40% for M1 and ca. 30% for M2, after 60 min). This may be due to the lack of interaction between the catalysts’ surfaces and phenol. The

Frequency-dependent nanomechanical profiling for medical diagnosis

• Santiago D. Solares and
• Alexander X. Cartagena-Rivera

Beilstein J. Nanotechnol. 2022, 13, 1483–1489, doi:10.3762/bjnano.13.122

• chemical characterization of surfaces ranging from semiconductors and metals to polymers and biological materials [1][2][3][4][5]. In particular, a variety of mechanical property measurement methods have been developed, although most of them are restricted to relatively simple physical descriptions, such

Structural studies and selected physical investigations of LiCoO₂ obtained by combustion synthesis

• Monika Michalska,
• Paweł Ławniczak,
• Tomasz Strachowski,
• Adam Ostrowski and
• Waldemar Bednarski

Beilstein J. Nanotechnol. 2022, 13, 1473–1482, doi:10.3762/bjnano.13.121

• with Mn were studied using impedance spectroscopy. For conductivity measurements, pellets of ca. 1.5 mm thickness and 5.15 mm in diameter were prepared from the synthesized material. The powder was pressed at 20 MPa pressure for 1 min at room temperature. The round surfaces of the samples were covered

Rapid and sensitive detection of box turtles using an electrochemical DNA biosensor based on a gold/graphene nanocomposite

• Abu Hashem,
• M. A. Motalib Hossain,
• Ab Rahman Marlinda,
• Mohammad Al Mamun,
• Khanom Simarani and
• Mohd Rafie Johan

Beilstein J. Nanotechnol. 2022, 13, 1458–1472, doi:10.3762/bjnano.13.120

• surfaces were 31.55, 26.36, and 26.21 mA, respectively. This finding proves that the AuNPs/Gr nanocomposite is suitable for electrochemical analysis and enhances the electrocatalytic activity by facilitating electron transfer in the redox process [54]. Bare SPCE and modified SPCE surfaces were examined

• than that of individual nanomaterial-modified SPCEs, representing a limitation of electron transfer through the electrode–solution interface [56] for different electrode surfaces. The EIS plots for the modified SPCEs surfaces also reveal that the electrode–solution interfacial charge transfer process

• is not a purely kinetic or diffusion-controlled process. The solution resistance remains constant for almost all the electrode surfaces since they are measured in the same electrolytic medium. After modification with individual Gr and AuNPs, the change in the Nyquist plot is relatively small, whereas