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

• achieve ordered nanostructures [9][10][11][12][13][14]. Although these methods can increase the efficiency of the self-assembly, they can also complicate the fabrication process further, sometimes even more than the top-down approaches. Therefore, there is still a need for simple methods to synthesize

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

• carbon substrate and the chemical synthesis of PtNPs during catalyst fabrication. Platinum was deposited on carbon particles at room temperature using a pulsed laser deposition (PLD) system equipped with an ArF excimer laser (λ = 193 nm). The uniform deposition of PtNPs on carbon supports was achieved

• working fuel cell [36][37][38]. Using the combustion method under appropriate synthesis conditions allows for the fabrication of a very high content of highly graphitized carbon particles. However, the research showed that some materials form dense agglomerates with large dimensions and do not disperse

• graphitized carbon material is a higher barrier to be overcome for the gases and the water generated in reactions occurring in the cell. Conclusion The fabrication of an efficient catalyst based on carbon particles with low Pt loading was successfully achieved by using the PLD method. The structural

Batch preparation of nanofibers containing nanoparticles by an electrospinning device with multiple air inlets

• Dong Wei,
• Chengwei Ye,
• Adnan Ahmed and
• Lan Xu

Beilstein J. Nanotechnol. 2023, 14, 141–150, doi:10.3762/bjnano.14.15

• high-throughput fabrication of nanofibers [15]. Especially, the spherical section FSE (SSFES) device developed by our research group can be used to prepare nanofibers with higher yield and quality compared with other works [16]. However, in the SSFES device, the nanoparticles in the spinning solution

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

• VLS mechanism [3][4]. This has inspired the possible fabrication of nanoflowers from multicomponent nanoparticles and surrounding SiOx NWs, on which, to date, there is no relevant research. The addition of the second element brings more tailorable properties and broadens the range of applications. For

• and significant to extend the previous research of Au–SiOx nanoflowers formed by an Au single layer to bilayers and explore potential fabrication parameters. In the present work, nanoflowers made of a core nanoparticle and surrounding SiOx NWs are synthesized from annealing thin Au/Ni bilayers with

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

• through a combination of the extra mass of the AFM tip on the cantilever and material differences in the silicon caused by fabrication processes. After determining the modes available for measurement in the cantilever, we can focus on interaction between any two modes. Once a combination of modes is

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

• inspire the fabrication by self-assembly of yet inaccessible colloidal structures. Bridging functionality at the colloidal chain end being now conceivable, their assembly into block-copolymer analogues can for instance be considered. Experimental Materials Styrene (Sigma-Aldrich, 99

Upper critical magnetic field in NbRe and NbReN micrometric strips

• Zahra Makhdoumi Kakhaki,
• Antonio Leo,
• Federico Chianese,
• Loredana Parlato,
• Giovanni Piero Pepe,
• Angela Nigro,
• Carla Cirillo and
• Carmine Attanasio

Beilstein J. Nanotechnol. 2023, 14, 45–51, doi:10.3762/bjnano.14.5

• voltage contacts of L = 90 μm. The NbReN films were structured by using direct laser writer exposure followed by argon ion etching into constriction-type bridges with w = 2 μm and L = 700 μm. Further details on the fabrication procedure of the films are reported elsewhere [4][8]. The superconducting

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

• and device fabrication [13][14]. Nevertheless, pattern resolution and reproducibility in contact printing approaches are affected by several factors, most notably the ink molecule lateral diffusion, gas phase transportation, and rubber stamp deformation [15][16]. These are unavoidable issues in soft

• modulating stamp properties for micrometer-scale features [27]. utilizing different assembled and backfilled species [28][29]. and further substrate processing, e.g., pattern transfer to the underlying material layer [30][31][32][33][34][35][36]. In practice, CLL allows simple and facile fabrication of

• with sharp edges originating from mathematical geometry designs, the results of this study are expected to have deep implications in the facile fabrication of plasmonic structures, waveguides, and diverse nanostructures. Experimental Materials and chemicals 11-Mercaptoundecanol (MCU), triethylene

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

• Alexander Vakhrushev,
• Aleksey Fedotov,
• Olesya Severyukhina and
• Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

• combine with various potential applications, addressing some of the problems of this technology, including those related to cell design, negative structural features, and changes in nanomaterials that can occur during fabrication. Thus, the evaluation and elaboration of structural changes in a

• deposition and structure formation, we considered three substrate temperatures on which the deposition took place: 300 , 500, and 800 K. These temperatures are determined by process features of niobium and cobalt-based nanocomposite fabrication and can be seen in the legend shown in Figure 2. For both

Observation of collective excitation of surface plasmon resonances in large Josephson junction arrays

• Roger Cattaneo,
• Mikhail A. Galin and
• Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2022, 13, 1578–1588, doi:10.3762/bjnano.13.132

• interjunction interaction. Samples We study arrays of Nb/NbxSi1−x/Nb JJs fabricated on oxidized Si substrates and connected in series by Nb electrodes. The NbxSi1−x interlayer with the composition x ≃ 0.14 was deposited by co-sputtering from Nb and Si sources. Details about the fabrication procedure can be

• superconducting to the resistive state, at similar critical currents, Ic ≃ 7.5 mA. This indicates good reproducibility of the fabrication procedure with almost identical JJs. The characteristic voltage per JJ is quite large, IcRn ≃ 0.5 mV. As seen from Figure 1b and Figure 1d, well-defined vertical steps appear

• consists of a log-periodic microwave antenna [39] with a broad frequency range of ca. 15–700 GHz. In the center, there is a nanoscale JJ sensor, shown in Figure 6b. The detector is made of a Nb film (70 nm thick), using a fabrication technique similar to that described in [28]. The antenna is patterned

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

• amount of solvent until complete dissolution, then the solvent was added in the required amount, and the solution was kept for another day in the dark. For fabrication of films of various thicknesses, solutions of polymers in cyclohexanone with concentrations of 0.1–15 wt % were used. The polymer

Photoelectrochemical water oxidation over TiO₂ nanotubes modified with MoS₂ and g-C₃N₄

• Phuong Hoang Nguyen,
• Thi Minh Cao,
• Tho Truong Nguyen,
• Hien Duy Tong and
• Viet Van Pham

Beilstein J. Nanotechnol. 2022, 13, 1541–1550, doi:10.3762/bjnano.13.127

• , which can improve the charge transfer states [33][34]. These two low-bandgap semiconductors improved considerably the PEC water splitting efficiency [35][36]. However, the fabrication of MoS2/TNAs and g-C3N4/TNAs has many disadvantages such as high synthesis temperatures, the requirement of a binder, or

• consistent with the previous results from EIS analysis and the Mott–Schottky results (Figure 5). The PEC activity of MoS2/TNAs in this study is higher than that of MoS2/TNAs synthesized by using a PVA binder agent in [36]. However, the direct combination of g-C3N4 with TNAs at a relatively high fabrication

Hydroxyapatite–bioglass nanocomposites: Structural, mechanical, and biological aspects

• Olga Shikimaka,
• Mihaela Bivol,
• Bogdan A. Sava,
• Marius Dumitru,
• Christu Tardei,
• Beatrice G. Sbarcea,
• Daria Grabco,
• Constantin Pyrtsac,
• Daria Topal,
• Andrian Prisacaru,
• Vitalie Cobzac and
• Viorel Nacu

Beilstein J. Nanotechnol. 2022, 13, 1490–1504, doi:10.3762/bjnano.13.123

• , Romania Nicolae Testemitanu State University of Medicine and Pharmacy, 165 Stefan cel Mare si Sfant ave., MD-2004, Chisinau, Republic of Moldova 10.3762/bjnano.13.123 Abstract This research work focuses on the fabrication and study of a series of nanocomposites consisting of two types of hydroxyapatite

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

• in silico-based C. amboinensis cytb gene-specific probe sequence, as well as the use of a nanocomposite on a fabrication platform resulted in a simple, selective, and sensitive electrochemical DNA biosensor for the detection of targeted BT. The utilisation of a AuNPs/Gr nanocomposite enhanced the

• muscle samples. BTS stands for box turtle DNA isolated from a meat sample; ds: double stranded; CWS: cow sample, BFS: buffalo sample, HRS: horse sample, and DKS: duck sample. Step-by-step fabrication procedure of the electrochemical DNA biosensor for the detection of the BT cytb gene. Figure 8 was

Coherent amplification of radiation from two phase-locked Josephson junction arrays

• Mikhail A. Galin,
• Vladimir M. Krasnov,
• Ilya A. Shereshevsky,
• Nadezhda K. Vdovicheva and
• Vladislav V. Kurin

Beilstein J. Nanotechnol. 2022, 13, 1445–1457, doi:10.3762/bjnano.13.119

• applications. Experimental Samples We study samples containing one or several straight strips with embedded Nb/NbSi/Nb overlap JJs connected in series. The samples were fabricated by Oliver Kieler (Braunschweig, Germany) and were measured in AlbaNova University Center (Stockholm, Sweden). The fabrication is a

• parameters. Those should be accounted for in the design and fabrication of large JJ arrays. Proper design, in which this effect is maximally manifested, allows for increasing the output radiation power, which will facilitate the implementation of JJ arrays in practical applications. Appendix: Additional

• . Gain factor from the interaction of outer and inner arrays in sample-2. Acknowledgements The authors are grateful to Oliver Kieler for sample fabrication. Funding The work was supported by Center of Excellence ”Center of Photonics” funded by The Ministry of Science and Higher Education of the Russian

Double-layer symmetric gratings with bound states in the continuum for dual-band high-Q optical sensing

• Chaoying Shi,
• Jinhua Hu,
• Xiuhong Liu,
• Junfang Liang,
• Jijun Zhao,
• Haiyan Han and
• Qiaofen Zhu

Beilstein J. Nanotechnol. 2022, 13, 1408–1417, doi:10.3762/bjnano.13.116

• fabrication of the device requires removing the silicon handle and BOX layer twice (it makes the structure symmetrical), which makes the fabrication challenging to some extent. However, the simulation results show that the symmetrical structure of the device can improve the performance of the sensor. The h

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

• Vishal Dutta,
• Ankush Chauhan,
• Ritesh Verma,
• C. Gopalkrishnan and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

• fabrication techniques and enhancement in Bi-based semiconductor photocatalysts. Various environmental applications, such as H2 generation and elimination of water pollutants, are also discussed in terms of semiconductor photocatalysis. Future developments will be guided by the uses, issues, and possibilities

• photocatalysts in eco-friendly applications on a large scale. Bi-based nanomaterials as semiconductor photocatalysts are one of the study’s primary goals, as is the use of Bi-based nanomaterials for wastewater treatment, hydrogen generation, and photocatalytic degradation. Fabrication methods, reliability

• -based semiconductors, especially oxide semiconductors such as Bi2O3, BiVO4, and Bi2WO6, have n-type properties with electrons as the majority carrier. Recent research suggests that the synthesis route can shift the conductivity types of Bi-based materials [45][51]. Fabrication routes Synthesis

Role of titanium and organic precursors in molecular layer deposition of “titanicone” hybrid materials

• Arbresha Muriqi and
• Michael Nolan

Beilstein J. Nanotechnol. 2022, 13, 1240–1255, doi:10.3762/bjnano.13.103

• organic–inorganic hybrid films for applications in several technological application areas, including packaging/encapsulation, electronics, batteries and biomedical applications [1][2][3][4]. MLD is very similar to the widely used atomic layer deposition (ALD) technique, which involves the fabrication of

Roll-to-roll fabrication of superhydrophobic pads covered with nanofur for the efficient clean-up of oil spills

• Patrick Weiser,
• Robin Kietz,
• Marc Schneider,
• Matthias Worgull and
• Hendrik Hölscher

Beilstein J. Nanotechnol. 2022, 13, 1228–1239, doi:10.3762/bjnano.13.102

• roll-to-roll process for the fabrication of a thin polymeric film covered with nanofur from polypropylene. Our process enables structuring of large areas of the order of square meters using industry standard machinery. This opens up many possible applications for nanofur that could previously not be

• durable. Other options for chemically treated superhydrophobic surfaces, such as the use of fluorinated silanes, fluoropolymer coatings, and carbon nanotubes, exist, but are either rather costly to apply and/or potentially harmful to the environment. A much simpler and cheaper option is the fabrication of

• polymeric nanofur [16]. Its surface is covered with many tiny, hair-like structures and has a high potential for up-scaling because it can be produced with minimal, very simple and cost-effective tools and molds [17]. On the lab scale, the fabrication of nanofur can be easily achieved with sand-blasted

A super-oscillatory step-zoom metalens for visible light

• Yi Zhou,
• Chao Yan,
• Peng Tian,
• Zhu Li,
• Yu He,
• Bin Fan,
• Zhiyong Wang,
• Yao Deng and
• Dongliang Tang

Beilstein J. Nanotechnol. 2022, 13, 1220–1227, doi:10.3762/bjnano.13.101

• , China Sichuan Jiuzhou Electric Group Co., Ltd, Mianyang 621000, China School of Mechanical Engineering, Sichuan University, Chengdu, Sichuan, 610065, China State Key Laboratory of Optical Technologies for Micro-fabrication, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu

• usually employ simple binary amplitude and binary phase modulation [14][15] to modulate the incident optical field, thus realizing a specific coherent superposition of the output optical field. This modulation method is relatively simple and accessible for fabrication; however, it significantly weakens

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• group of the analyte and pyridyl sites in MIPs. The MIP-based selectors on the QCM surface can be achieved not only by in situ polymerization but also by using premade MIP nanoparticles. Krozer et al. reported the fabrication of QCM chiral sensors by physically entrapping MIP nanoparticles into a spin

• MOFs. Yang et al. reported the fabrication of chiral UiO-MOF-derived QCM sensors for efficient discrimination of cysteine (Cys) enantiomers (Figure 8), of which the ʟ-type is vital in biological processes but the ᴅ-type has a hazardous effect [100]. The chiral UiO-MOF sensors (ʟ- and ᴅ-UiO-tart) were

• ) nm. The QCM measurements exhibited a 690 ng/cm2 difference between the adsorption amount of ᴅ- and ʟ-tartaric acid, and it proved the enantioselective adsorption on the chirality imprinted Al2O3 films. Yemini et al. reported the fabrication of Zn/Cys chiral nanostructures by molecular layer

Application of nanoarchitectonics in moist-electric generation

• Jia-Cheng Feng and
• Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

• -directional selective manner, they form a randomly oriented nanoscale network structure with high surface area, which is convenient for fabrication and beneficial for MEGs. There are various methods to fabricate nanoarchitectonics, including but not limited to electrostatic spinning, lyophilization

Microneedle-based ocular drug delivery systems – recent advances and challenges

• Piotr Gadziński,
• Anna Froelich,
• Monika Wojtyłko,
• Antoni Białek,
• Julia Krysztofiak and
• Tomasz Osmałek

Beilstein J. Nanotechnol. 2022, 13, 1167–1184, doi:10.3762/bjnano.13.98

• microneedle patches, their manufacturing techniques, and the obtained therapeutic efficacy. In addition to a number of advantages, the questionable aspects related to this dosage form are also discussed. 2 Types of microneedle: materials, fabrication and properties for drug delivery 2.1 Microneedle system

• fabrication, the drug loading technique, and the mode of drug delivery [117]. Concerning the materials used to manufacture the microneedle arrays, the range of available substances is wide. The first material employed for this purpose was silicon. It is important to note that it offers versatile properties

• : fabrication, characterization, and ex-vivo evaluation using pilocarpine as model drug”, by G. Roy et al., Drug Development and Industrial Pharmacy, published on 11 Jun 2020 by Taylor & Francis Ltd), reprinted by permission of the publisher (Taylor & Francis Ltd, http://www.tandfonline.com). This content is

Rapid fabrication of MgO@g-C₃N₄ heterojunctions for photocatalytic nitric oxide removal

• Minh-Thuan Pham,
• Duyen P. H. Tran,
• Xuan-Thanh Bui and
• Sheng-Jie You

Beilstein J. Nanotechnol. 2022, 13, 1141–1154, doi:10.3762/bjnano.13.96

• the fabrication of the MgO@g-C3N4 heterojunction via one-step pyrolysis nor on the photocatalytic pathway of the MgO@g-C3N4 heterojunction for photocatalytic NO removal under visible light. In this study, a MgO@g-C3N4 heterojunction was synthesized via a one-step pyrolysis method using commercial MgO

• and 5% MgO@g-C3N4 in the visible and UV range, which increased the photocatalytic performance under visible light irradiation. The PL results confirmed the presence of vacancies in the MgO@g-C3N4 heterojunctions. MgO@g-C3N4 is promising for large-scale fabrication via this simple and fast method. This

A cantilever-based, ultrahigh-vacuum, low-temperature scanning probe instrument for multidimensional scanning force microscopy

• Hao Liu,
• Zuned Ahmed,
• Sasa Vranjkovic,
• Manfred Parschau,
• Andrada-Oana Mandru and
• Hans J. Hug

Beilstein J. Nanotechnol. 2022, 13, 1120–1140, doi:10.3762/bjnano.13.95

• , however, are complex, and their fabrication and assembly typically require considerable efforts. For this reason, all our sample/cantilever holders use the same four laser-cut metal parts as base plates (m1–m4) connected via a simple ceramic center piece (Figure 7f), on top of which different assemblies

• modulus of silicon, respectively; L, w, and t are the length, width, and thickness of the cantilever, respectively. While the first two geometrical dimensions are well-defined by the fabrication process and can easily be measured by electron microscopy, the thickness t of the cantilever is best obtained