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

• 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 nanoparticles – NPs – or its alloys), deposited mainly onto nano/microparticles of carbon supports, which are currently the

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

• arrangement in order to achieve desired macroscale properties. Thus, a theoretical understanding of the particle assembly mechanism is necessary to predict the nano/microscale structures responsible for the desired or observable properties. To our knowledge, constructal theory has never been applied

A stretchable triboelectric nanogenerator made of silver-coated glass microspheres for human motion energy harvesting and self-powered sensing applications

• Hui Li,
• Yaju Zhang,
• Yonghui Wu,
• Hui Zhao,
• Weichao Wang,
• Xu He and
• Haiwu Zheng

Beilstein J. Nanotechnol. 2021, 12, 402–412, doi:10.3762/bjnano.12.32

• Defense Key Disciplines Lab of Novel Micro-nano Devices and System Technology, Chongqing University, Chongqing, 400044, China 10.3762/bjnano.12.32 Abstract Wearable triboelectric nanogenerators (TENGs) have recently attracted great interest because they can convert human biomechanical energy into

Doxorubicin-loaded gold nanorods: a multifunctional chemo-photothermal nanoplatform for cancer management

• Uzma Azeem Awan,
• Abida Raza,
• Shaukat Ali,
• Rida Fatima Saeed and
• Nosheen Akhtar

Beilstein J. Nanotechnol. 2021, 12, 295–303, doi:10.3762/bjnano.12.24

• nanocomplex compared to free DOX, herein, we have used the same strategy as described in an earlier report [18] to design a multifunctional PSS-coated GNRs-based nano-platform that facilitate chemotherapy by delivering anticancerous drug at the site of action. DOX release with precise temporal and spatial

• distribution of DOX-loaded PSS-GNRs, at a different level, was determined by using a zeta potential analyzer (Zetasizer Nano ZS90 DLS system Malvern Instruments Ltd., England). Percentage yield The nanoparticles were collected and weighed accurately. The percentage (%) yield was then calculated using the

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

• characteristics of these nanoparticles in the solvent and culture medium are shown in Table 1. Dynamic light scattering (DLS) Particle size distribution and zeta potential of the surface-modified MNPs in stock solution and culture medium were determined by DLS using a Zetasizer Nano-ZS (Malvern Instruments, UK

TiO_x/Pt₃Ti(111) surface-directed formation of electronically responsive supramolecular assemblies of tungsten oxide clusters

• Marco Moors,
• Yun An,
• Agnieszka Kuc and
• Kirill Yu. Monakhov

Beilstein J. Nanotechnol. 2021, 12, 203–212, doi:10.3762/bjnano.12.16

• result of thermal evaporation of WO3 powder on the complex TiOx/Pt3Ti(111) surfaces under ultra-high vacuum conditions. The physisorbed tritungsten nano-oxides were found as isolated single units located on the metallic attraction points or as supramolecular self-assemblies with a W3O9-capped hexagonal

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

• [37] and chemicals, and to evaluate nano–bio interactions. The exposure of nanomaterials (NM) to the environment is reported to have detrimental effects on human lungs. Pulmonary inflammation was reported in C57BL/6N mice exposed to zinc oxide (ZnO) (size of nanoparticles functionalized with

• zebrafish hatching enzyme 1 (ZHE1), which caused a delay in the hatching of zebrafish embryos by 50% following its exposure to copper oxide (CuO). The group of d’Amora [51] compared the toxicity of oxidized carbon nano-onions, oxidized carbon nano-horns, and graphene oxide on the development of zebrafish

• . Concentration levels above 50 μg/mL of graphene oxide caused a higher mortality rate, delayed the hatching rate, impaired movements, and delayed embryonic development when compared to oxidized carbon nano-horns. These reports indicate that the exposure to some nanomaterials poses a threat to human health and to

Fusion of purple membranes triggered by immobilization on carbon nanomembranes

• René Riedel,
• Natalie Frese,
• Fang Yang,
• Martin Wortmann,
• Raphael Dalpke,
• Daniel Rhinow,
• Norbert Hampp and
• Armin Gölzhäuser

Beilstein J. Nanotechnol. 2021, 12, 93–101, doi:10.3762/bjnano.12.8

• Physics, Bielefeld University, Universitätsstraße 25, D-33615 Bielefeld, Germany Nano Biomaterials Group, Ningbo Institute of Industrial Technology, Chinese Academy of Science, China Faculty of Engineering and Mathematics, Bielefeld University of Applied Sciences, Interaktion 1, D-33619 Bielefeld, Germany

Numerical analysis of vibration modes of a qPlus sensor with a long tip

• Kebei Chen,
• Zhenghui Liu,
• Yuchen Xie,
• Chunyu Zhang,
• Gengzhao Xu,
• Wentao Song and
• Ke Xu

Beilstein J. Nanotechnol. 2021, 12, 82–92, doi:10.3762/bjnano.12.7

• Kebei Chen Zhenghui Liu Yuchen Xie Chunyu Zhang Gengzhao Xu Wentao Song Ke Xu School of Nano Technology and Nano Bionics, University of Science and Technology of China, Suzhou 215123, China Platform for Characterization and Test, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of

• Sciences (CAS), Suzhou 215123, China CAS Key Laboratory of Nanophotonic Materials and Devices, Suzhou Institute of Nano-Tech and Nano-Bionics, Suzhou 215123, China 10.3762/bjnano.12.7 Abstract We study the oscillatory behavior of qPlus sensors with a long tilted tip by means of finite element simulations

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

• the tip radius R of the AFM probe (typically 4 nm ≤ R ≤ 40 nm). These methods are increasingly interesting for nanoscopic heterogeneous materials, such as nanocomposites. These materials are known to show nano-effects which improve the macroscopic properties of the composites beyond the rule of

• mixture. The mechanisms which cause the nano-effects are often described and hypothesized but seldom directly shown [11][12][13][14]. High-resolution measurements of the mechanical properties of nanocomposites give insights into these mechanisms, since they are able to separately measure material phases

• Principles of Nano-Scaled Matrix Additives for Composite Structures” (project number 232311024).

Effect of different silica coatings on the toxicity of upconversion nanoparticles on RAW 264.7 macrophage cells

• Cynthia Kembuan,
• Helena Oliveira and
• Christina Graf

Beilstein J. Nanotechnol. 2021, 12, 35–48, doi:10.3762/bjnano.12.3

• performed using a Zetasizer Nano ZS system (Malvern Instruments) at 25 °C and at a wavelength of 633 nm. The uncoated UCNPs were dispersed in cyclohexane, whereas the silica-coated particles were dispersed in ethanol, water, or in supplemented DMEM. Then, they were filtered through sterile syringe filters

Free and partially encapsulated manganese ferrite nanoparticles in multiwall carbon nanotubes

• Saja Al-Khabouri,
• Salim Al-Harthi,
• Toru Maekawa,
• Mohamed E. Elzain,
• Ashraf Al-Hinai,
• Ahmed D. Al-Rawas,
• Abbsher M. Gismelseed,
• Ali A. Yousif and
• Myo Tay Zar Myint

Beilstein J. Nanotechnol. 2020, 11, 1891–1904, doi:10.3762/bjnano.11.170

• Saja Al-Khabouri Salim Al-Harthi Toru Maekawa Mohamed E. Elzain Ashraf Al-Hinai Ahmed D. Al-Rawas Abbsher M. Gismelseed Ali A. Yousif Myo Tay Zar Myint Department of Physics, Sultan Qaboos University, Muscat PC 123, Sultanate of Oman Bio-Nano Electronics Research Center, Toyo University, 2100

• relative spectra area, and D indicates the doublet component of the spectra. Supporting Information Supporting Information File 130: Additional figures. Acknowledgements The authors would like to thank the Department of Physics at the Sultan Qaboos University. We thank Yutaka Nagaoka, the Bio-Nano

Scanning transmission imaging in the helium ion microscope using a microchannel plate with a delay line detector

• Eduardo Serralta,
• Nico Klingner,
• Olivier De Castro,
• Michael Mousley,
• Santhana Eswara,
• Serge Duarte Pinto,
• Tom Wirtz and
• Gregor Hlawacek

Beilstein J. Nanotechnol. 2020, 11, 1854–1864, doi:10.3762/bjnano.11.167

• , Dresden 01069, Germany Advanced Instrumentation for Nano-Analytics (AINA), MRT Department, Luxembourg Institute of Science and Technology, 41, rue du Brill, L-4422, Belvaux, Luxembourg Photonis Netherlands B.V., Dwazziewegen 2, 9301 ZR Roden, Netherlands 10.3762/bjnano.11.167 Abstract A detection system

Electron beam-induced deposition of platinum from Pt(CO)₂Cl₂ and Pt(CO)₂Br₂

• Aya Mahgoub,
• Hang Lu,
• Rachel M. Thorman,
• Konstantin Preradovic,
• Titel Jurca,
• Lisa McElwee-White,
• Howard Fairbrother and
• Cornelis W. Hagen

Beilstein J. Nanotechnol. 2020, 11, 1789–1800, doi:10.3762/bjnano.11.161

• rate of 10 °C/min. FEBID in the SEM Deposition was performed in a Thermo Fisher Scientific (TFS) Nova Nano Lab 650 dual-beam system. Standard TFS gas injection systems (GIS) were used to introduce the new precursors into the SEM chamber, using a separate GIS for each precursor. Since Pt(CO)2Cl2 and Pt

Molecular dynamics modeling of the influence forming process parameters on the structure and morphology of a superconducting spin valve

• Alexander Vakhrushev,
• Aleksey Fedotov,
• Vladimir Boian,
• Roman Morari and
• Anatolie Sidorenko

Beilstein J. Nanotechnol. 2020, 11, 1776–1788, doi:10.3762/bjnano.11.160

• developed and implemented for a detailed study of the structure and spatial profile of a S/F material. The results were visualized using the Visual Molecular Dynamics (VMD) [42] and Open Visualization Tool (OVITO) [43] software packages, which not only provide images of nano-objects atomic and molecular

Mapping of integrated PIN diodes with a 3D architecture by scanning microwave impedance microscopy and dynamic spectroscopy

• Rosine Coq Germanicus,
• Peter De Wolf,
• Florent Lallemand,
• Catherine Bunel,
• Serge Bardy,
• Hugues Murray and
• Ulrike Lüders

Beilstein J. Nanotechnol. 2020, 11, 1764–1775, doi:10.3762/bjnano.11.159

• Rosine Coq Germanicus Peter De Wolf Florent Lallemand Catherine Bunel Serge Bardy Hugues Murray Ulrike Luders Normandie Université, ENSICAEN, UNICAEN, CNRS, CRISMAT, 14000 Caen, France Bruker Nano Surfaces, 112 Robin Hill Road, CA 93117, Santa Barbara, USA Murata Integrated Passive Solutions, 2

• microscopy (sMIM). sMIM allows for the characterization of the local electrical properties through the analysis of the microwave impedance of the metal–insulator–semiconductor nanocapacitor (nano-MIS capacitor) that is formed by tip and sample. A highly integrated monolithic silicon PIN diode with a 3D

• architecture is analysed. sMIM measurements of the different layers of the PIN diode are presented and discussed in terms of detection mechanism, sensitivity, and precision. In the second part, supported by analytic calculations of the equivalent nano-MIS capacitor, a new multidimensional approach, including a

Imaging and milling resolution of light ion beams from helium ion microscopy and FIBs driven by liquid metal alloy ion sources

• Nico Klingner,
• Gregor Hlawacek,
• Paul Mazarov,
• Wolfgang Pilz,
• Fabian Meyer and
• Lothar Bischoff

Beilstein J. Nanotechnol. 2020, 11, 1742–1749, doi:10.3762/bjnano.11.156

• ], the fabrication of graphene nanomeshes [8], the formation of single Si nanocrystals embedded in SiO2 for single-electron transistors [9], the spatially resolved engineering of the thermal conductivity in individual Si nanowires [10], as well as the creation of nano-Josephson superconducting tunnel

Functional nanostructures for electronics, spintronics and sensors

• Anatolie S. Sidorenko

Beilstein J. Nanotechnol. 2020, 11, 1704–1706, doi:10.3762/bjnano.11.152

• international SPINTECH conference “NANO-2019: Limits of Nanoscience and Nanotechnologies” and the summer school it followed, “S/F Hybrid Structures for Spintronics”, that took place in September 2019 in Chisinau, Moldova. Presented by many of the participants of the conference and lecturers of the summer school

• experienced experts from 15 countries who presented novel, original results at the NANO-2019 conference and those who submitted valuable contributions to this issue. We believe that this thematic issue will attract the attention of scientists, technologists, and engineers and will be useful for a broad

Out-of-plane surface patterning by subsurface processing of polymer substrates with focused ion beams

• Serguei Chiriaev,
• Luciana Tavares,
• Vadzim Adashkevich,
• Arkadiusz J. Goszczak and
• Horst-Günter Rubahn

Beilstein J. Nanotechnol. 2020, 11, 1693–1703, doi:10.3762/bjnano.11.151

• . Thus, the subsurface processing can be exploited either as an editing tool or as one of the patterning steps in combination with different patterning processes for the fabrication of devices containing complex hierarchical structures composed of both nano- and micropatterns. Owing to the very small ion

Piezoelectric sensor based on graphene-doped PVDF nanofibers for sign language translation

• Shuai Yang,
• Xiaojing Cui,
• Rui Guo,
• Zhiyi Zhang,
• Shengbo Sang and
• Hulin Zhang

Beilstein J. Nanotechnol. 2020, 11, 1655–1662, doi:10.3762/bjnano.11.148

• Shuai Yang Xiaojing Cui Rui Guo Zhiyi Zhang Shengbo Sang Hulin Zhang Micro Nano System Research Center, College of Information and Computer, Taiyuan University of Technology, Taiyuan, 030024, China College of Textile Engineering, Taiyuan University of Technology, Taiyuan, 030024, China 10.3762

Fabrication of nano/microstructures for SERS substrates using an electrochemical method

• Jingran Zhang,
• Tianqi Jia,
• Xiaoping Li,
• Junjie Yang,
• Zhengkai Li,
• Guangfeng Shi,
• Xinming Zhang and
• Zuobin Wang

Beilstein J. Nanotechnol. 2020, 11, 1568–1576, doi:10.3762/bjnano.11.139

• /nanopore; nano/microstructures; SERS substrate; Introduction Surface-enhanced Raman spectroscopy (SERS) can be used to detect biomolecules [1][2][3], explosives [4][5][6], and pesticide residues [7][8][9]. Plasmonic metal nanostructures are often used as SERS substrates to increase the molecule-specific

Optically and electrically driven nanoantennas

• Monika Fleischer,
• Dai Zhang and
• Alfred J. Meixner

Beilstein J. Nanotechnol. 2020, 11, 1542–1545, doi:10.3762/bjnano.11.136

• , Germany 10.3762/bjnano.11.136 Keywords: active plasmonics; electrically driven nanoantenna; gap antenna; nanoantenna; nanofabrication; nanospectroscopy; nano-photonics; optical antenna; second harmonic generation; sensing; scanning tip; surface-enhanced infrared absorption (SEIRA); surface-enhanced Raman

• frequencies to a traveling electromagnetic wave that can be observed in the far field. Optical antennas are key elements in nano-optics, bridging the gap between the dimension of an optical wavelength (several hundreds of nanometers) and the size of elementary quantum emitters such as single atoms, molecules

• or TERS) [6][7][8][9][10][11][12][13][14][15], as well as for (bio-)sensing applications [16][17][18]. The integration of nanoantennas can lead to enhanced functionality for optoelectronic devices, nano-light sources, light amplification, or hybrid systems in combination with nanoemitters or two

Self-assembly and spectroscopic fingerprints of photoactive pyrenyl tectons on hBN/Cu(111)

• Domenik M. Zimmermann,
• Knud Seufert,
• Luka Ðorđević,
• Tobias Hoh,
• Sushobhan Joshi,
• Tomas Marangoni,
• Davide Bonifazi and
• Willi Auwärter

Beilstein J. Nanotechnol. 2020, 11, 1470–1483, doi:10.3762/bjnano.11.130

• lifetime measurements were performed on a JobinYvon-Horiba FluoroHub single-photon-counting module, using nano-LED-pulsed sources at 295 or 372 nm. The quantum yield measurements were performed using the relative determination, with coumarin 153 (C153, ϕ = 0.53 in ethanol) as the standard (st) [87]. The

Wafer-level integration of self-aligned high aspect ratio silicon 3D structures using the MACE method with Au, Pd, Pt, Cu, and Ir

• Mathias Franz,
• Romy Junghans,
• Paul Schmitt,
• Adriana Szeghalmi and
• Stefan E. Schulz

Beilstein J. Nanotechnol. 2020, 11, 1439–1449, doi:10.3762/bjnano.11.128

• Mathias Franz Romy Junghans Paul Schmitt Adriana Szeghalmi Stefan E. Schulz Nano Device Technologies, Fraunhofer Institute for Electronic Nano Systems ENAS, Technologie-Campus 3, 09126 Chemnitz, Germany Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Center of Excellence in

Transient coating of γ-Fe₂O₃ nanoparticles with glutamate for its delivery to and removal from brain nerve terminals

• Konstantin Paliienko,
• Artem Pastukhov,
• Michal Babič,
• Daniel Horák,
• Olga Vasylchenko and
• Tatiana Borisova

Beilstein J. Nanotechnol. 2020, 11, 1381–1393, doi:10.3762/bjnano.11.122

• ZetaSizer Nano ZS (Malvern Instruments, Malvern, UK). Ethics statement Wistar rats, males, with a body weight of 250–300 g, were kept in animal facilities of the Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, as described in [22] according to the European guidelines