An atomic force microscope integrated with a helium ion microscope for correlative nanoscale characterization

• Santiago H. Andany,
• Gregor Hlawacek,
• Stefan Hummel,
• Charlène Brillard,
• Mustafa Kangül and
• Georg E. Fantner

Beilstein J. Nanotechnol. 2020, 11, 1272–1279, doi:10.3762/bjnano.11.111

• Santiago H. Andany Gregor Hlawacek Stefan Hummel Charlene Brillard Mustafa Kangul Georg E. Fantner Laboratory for Bio- and Nano-Instrumentation, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne CH-1015, Switzerland Institute of Ion Beam Physics and Materials Research, Helmholtz

3D superconducting hollow nanowires with tailored diameters grown by focused He⁺ beam direct writing

• Rosa Córdoba,
• Alfonso Ibarra,
• Dominique Mailly,
• Isabel Guillamón,
• Hermann Suderow and
• José María De Teresa

Beilstein J. Nanotechnol. 2020, 11, 1198–1206, doi:10.3762/bjnano.11.104

• -50009 Zaragoza, Spain Departamento de Física de la Materia Condensada, Universidad de Zaragoza, E-50009 Zaragoza, Spain 10.3762/bjnano.11.104 Abstract Currently, the patterning of innovative three-dimensional (3D) nano-objects is required for the development of future advanced electronic components

• is present along the whole nanowire length. Moreover, these nanowires become superconducting at 6.8 K and show high values of critical magnetic field and critical current density. Consequently, these 3D nano-objects could be implemented as components in the next generation of electronics, such as

• nano-antennas and sensors, based on 3D superconducting architectures. Keywords: electron tomography; focused ion beam induced deposition (FIBID); helium ion microscope; magneto-transport measurements; nano-superconductors; tungsten carbide (WC); Introduction Superconductors are dissipationless

Hybridization vs decoupling: influence of an h-BN interlayer on the physical properties of a lander-type molecule on Ni(111)

• Maximilian Schaal,
• Takumi Aihara,
• Marco Gruenewald,
• Felix Otto,
• Jari Domke,
• Roman Forker,
• Hiroyuki Yoshida and
• Torsten Fritz

Beilstein J. Nanotechnol. 2020, 11, 1168–1177, doi:10.3762/bjnano.11.101

• investigated in reciprocal space using an Omicron MCP-LEED (MCP2-SPECTALEED) and in real space by LT-STM using a JT-STM/AFM (SPECS Surface Nano Analysis GmbH) with a tungsten tip operated at 4.5 K. We used the non-commercial software LEEDCal [49] for the distortion correction of the LEED images and the

Revealing the local crystallinity of single silicon core–shell nanowires using tip-enhanced Raman spectroscopy

• Marius van den Berg,
• Ardeshir Moeinian,
• Arne Kobald,
• Yu-Ting Chen,
• Anke Horneber,
• Steffen Strehle,
• Alfred J. Meixner and
• Dai Zhang

Beilstein J. Nanotechnol. 2020, 11, 1147–1156, doi:10.3762/bjnano.11.99

• standing topics of various investigations because silicon is still the most widely used semiconductor material for a broad range of micro- and nano-electromechanical systems, microelectronics, and photovoltaics [1][2]. Silicon nanostructures, such as bottom-up-grown nanowires [3], were also synthesized

• that polarized excitation Raman spectroscopy is useful to distinguish hydrogenated nano-crystalline silicon films (nc-Si) from a-Si and c-Si areas [24]. Although, Raman spectroscopy is an overall powerful tool to characterize the material properties of Si, this technique requires still an improvement

• results, which supports the idea that TERS can be used as a micro/nano-structure characterization technique. Experimental Core–shell SiNWs were synthesized in two steps. At first, SiNWs were grown by utilizing the VLS growth mechanism [13] using dewetted Pt thin films as the growth catalyst [29] at a

Thermophoretic tweezers for single nanoparticle manipulation

• Jošt Stergar and
• Natan Osterman

Beilstein J. Nanotechnol. 2020, 11, 1126–1133, doi:10.3762/bjnano.11.97

• Jost Stergar Natan Osterman Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, Ljubljana, Slovenia J. Stefan Institute, Jamova 39, Ljubljana, Slovenia 10.3762/bjnano.11.97 Abstract We present the trapping and manipulation of a single nano-object in an aqueous medium by

• optically induced temporally varying temperature gradients. By real-time object tracking and control of the position of the heating laser focus, we can precisely employ thermophoretic drift to oppose the random diffusive motion. As a result, a nano-object is confined in a micrometer-sized trap. Numerical

• modeling gives a quantitative prediction of the effect. Traps can be dynamically created and relocated, which we demonstrate by the controlled independent manipulation of two nanoparticles. Keywords: laser; microfluidics; nano-manipulation; thermophoresis; trapping; tweezers; Introduction In science and

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

• Structure and Nano/-Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Straße 1, 40237 Düsseldorf, Germany James Watt School of Engineering, Rankine Building, Oakfield Avenue, G12 8LT, University of Glasgow, Glasgow, United Kingdom now at Laboratoire des Sciences des

Uniform Fe₃O₄/Gd₂O₃-DHCA nanocubes for dual-mode magnetic resonance imaging

• Miao Qin,
• Yueyou Peng,
• Mengjie Xu,
• Hui Yan,
• Yizhu Cheng,
• Xiumei Zhang,
• Di Huang,
• Weiyi Chen and
• Yanfeng Meng

Beilstein J. Nanotechnol. 2020, 11, 1000–1009, doi:10.3762/bjnano.11.84

• Miao Qin Yueyou Peng Mengjie Xu Hui Yan Yizhu Cheng Xiumei Zhang Di Huang Weiyi Chen Yanfeng Meng Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China

Wet-spinning of magneto-responsive helical chitosan microfibers

• Dorothea Brüggemann,
• Johanna Michel,
• Naiana Suter,
• Matheus Grande de Aguiar and
• Michael Maas

Beilstein J. Nanotechnol. 2020, 11, 991–999, doi:10.3762/bjnano.11.83

• organic templates are examples of alternative ways to synthesize helical nano- or microfibers from various materials like carbon nanotubes (CNTs), ZnO or different polymers [8][48][49]. Here, we present a simple method for synthesizing helical chitosan microfibers with embedded magnetic nanoparticles

Three-dimensional solvation structure of ethanol on carbonate minerals

• Hagen Söngen,
• Ygor Morais Jaques,
• Peter Spijker,
• Christoph Marutschke,
• Stefanie Klassen,
• Ilka Hermes,
• Ralf Bechstein,
• Lidija Zivanovic,
• John Tracey,
• Adam S. Foster and
• Angelika Kühnle

Beilstein J. Nanotechnol. 2020, 11, 891–898, doi:10.3762/bjnano.11.74

• Physical Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10 - 14, 55099 Mainz, Germany Graduate School Materials Science in Mainz, Staudingerweg 9, 55128 Mainz, Germany Department of Applied Physics, Aalto University, Helsinki FI-00076, Finland WPI Nano Life Science Institute (WPI-NanoLSI

Templating effect of single-layer graphene supported by an insulating substrate on the molecular orientation of lead phthalocyanine

• K. Priya Madhuri,
• Abhay A. Sagade,
• Pralay K. Santra and
• Neena S. John

Beilstein J. Nanotechnol. 2020, 11, 814–820, doi:10.3762/bjnano.11.66

• K. Priya Madhuri Abhay A. Sagade Pralay K. Santra Neena S. John Centre for Nano and Soft Matter Sciences, Jalahalli, Bengaluru 560 013, India Laboratory for Advanced Nanoelectronic Devices, Sir C. V. Raman Research Park, Department of Physics & Nanotechnology, SRM Institute of Science and

Hexagonal boron nitride: a review of the emerging material platform for single-photon sources and the spin–photon interface

• Stefania Castelletto,
• Faraz A. Inam,
• Shin-ichiro Sato and
• Alberto Boretti

Beilstein J. Nanotechnol. 2020, 11, 740–769, doi:10.3762/bjnano.11.61

Electromigration-induced directional steps towards the formation of single atomic Ag contacts

• Atasi Chatterjee,
• Christoph Tegenkamp and
• Herbert Pfnür

Beilstein J. Nanotechnol. 2020, 11, 680–687, doi:10.3762/bjnano.11.55

• Atasi Chatterjee Christoph Tegenkamp Herbert Pfnur Institut für Festkörperphysik, Leibniz Universität Hannover, Appelstraße 2, 30167 Hannover, Germany Laboratorium für Nano und Quantenengineering (LNQE), Leibniz Universität Hannover, Schneiderberg 39, 30167 Hannover, Germany Institut für Physik

A novel dry-blending method to reduce the coefficient of thermal expansion of polymer templates for OTFT electrodes

• Xiangdong Ye,
• Bo Tian,
• Yuxuan Guo,
• Fan Fan and
• Anjiang Cai

Beilstein J. Nanotechnol. 2020, 11, 671–677, doi:10.3762/bjnano.11.53

• Xiangdong Ye Bo Tian Yuxuan Guo Fan Fan Anjiang Cai School of Mechanical and Electrical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China Shaanxi Key Laboratory of Nano Materials and Technology, Xi’an 710055, China School of Automation, Xi'an University of Posts and

Exfoliation in a low boiling point solvent and electrochemical applications of MoO₃

• Matangi Sricharan,
• Bikesh Gupta,
• Sreejesh Moolayadukkam and
• H. S. S. Ramakrishna Matte

Beilstein J. Nanotechnol. 2020, 11, 662–670, doi:10.3762/bjnano.11.52

• Matangi Sricharan Bikesh Gupta Sreejesh Moolayadukkam H. S. S. Ramakrishna Matte Energy Materials Laboratory, Centre for Nano and Soft Matter Sciences, Jalahalli, Bengaluru 560013, India 10.3762/bjnano.11.52 Abstract MoO3 is a versatile two-dimensional transition metal oxide having applications

• . Acknowledgements The authors thank Centre for Nano and Soft Matter Sciences (CeNS), Bengaluru for providing all the facilities. The authors thank Mr. Ramesh Chandra Sahoo, CeNS for doing various experiments and proof reading the manuscript. Funding HSSRM thanks CeNS for financial support via start-up grant. The

Silver-decorated gel-shell nanobeads: physicochemical characterization and evaluation of antibacterial properties

• Marta Bartel,
• Katarzyna Markowska,
• Marcin Strawski,
• Krystyna Wolska and
• Maciej Mazur

Beilstein J. Nanotechnol. 2020, 11, 620–630, doi:10.3762/bjnano.11.49

• conducted using a CHNS Analyzer VARIO EL III. Zeta potential measurements The measurements were carried out using a Zetasizer Nano ZS (Malvern). An aqueous suspension of the investigated particles was added to the buffer solution (pH 3–10). Each measurement was repeated three times. The zeta potential was

Adsorptive removal of bulky dye molecules from water with mesoporous polyaniline-derived carbon

• Hyung Jun An,
• Jong Min Park,
• Nazmul Abedin Khan and
• Sung Hwa Jhung

Beilstein J. Nanotechnol. 2020, 11, 597–605, doi:10.3762/bjnano.11.47

• Hyung Jun An Jong Min Park Nazmul Abedin Khan Sung Hwa Jhung Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea 10.3762/bjnano.11.47 Abstract Polyaniline-derived carbon (PDC) was obtained via pyrolysis of polyaniline

Examination of the relationship between viscoelastic properties and the invasion of ovarian cancer cells by atomic force microscopy

• Mengdan Chen,
• Jinshu Zeng,
• Weiwei Ruan,
• Zhenghong Zhang,
• Yuhua Wang,
• Shusen Xie,
• Zhengchao Wang and
• Hongqin Yang

Beilstein J. Nanotechnol. 2020, 11, 568–582, doi:10.3762/bjnano.11.45

• concentrations of echinomycin were added into the culture dishes for 3 h of treatment. After the treatments, cells were then washed twice with PBS and immediately used for AFM measurements in 2 mL medium. Viscoelastic measurement The viscoelasticity of cells was measured by using AFM (Nano Wizard III, JPK

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

• diameter and polydispersity index (PDI) of the NPs were obtained using a Zetasizer (Nano ZS Malvern Instruments, UK) instrument based on the dynamic light scattering (DLS) technique. The measurements were performed on purified NPs by analysing 0.5 mL of the suspension in ultrapure water, placed in a square

• particles per frame, as suggested by the manufacturer’s recommendations. The measurement duration was set at 60 s. Zeta potential Zeta-potential measurements were performed based on the electrophoretic light scattering (ELS) technique, using a Zetasizer (Nano ZS Malvern Instruments, UK) instrument, as a

• more efficacious and safer medicines. In the case of (nano)biomaterials, this process is more challenging than for molecular substances, due to the higher number of parameters to be controlled. A library of nanomaterials that differs by one single property at time and accurate testing strategies are

Nanoparticles based on the zwitterionic pillar[5]arene and Ag⁺: synthesis, self-assembly and cytotoxicity in the human lung cancer cell line A549

• Dmitriy N. Shurpik,
• Denis A. Sevastyanov,
• Pavel V. Zelenikhin,
• Pavel L. Padnya,
• Vladimir G. Evtugyn,
• Yuriy N. Osin and
• Ivan I. Stoikov

Beilstein J. Nanotechnol. 2020, 11, 421–431, doi:10.3762/bjnano.11.33

• out after mixing the solutions at 293 K. Dynamic light scattering (DLS) The particle size distribution formed as a result of self-association of the pillar[5]arenes 2–4 was determined at 20 °С by dynamic light scattering using a nanoparticle size analyzer (Zetasizer Nano ZS, Malvern) in quartz

Synthesis and enhanced photocatalytic performance of 0D/2D CuO/tourmaline composite photocatalysts

• Changqiang Yu,
• Min Wen,
• Zhen Tong,
• Shuhua Li,
• Yanhong Yin,
• Xianbin Liu,
• Yesheng Li,
• Tongxiang Liang,
• Ziping Wu and
• Dionysios D. Dionysiou

Beilstein J. Nanotechnol. 2020, 11, 407–416, doi:10.3762/bjnano.11.31

• NANO ZS90 instrument (Malvern, UK). Photocatalytic activity evaluation The photocatalytic performance was examined by the degradation of MB with light irradiation simulated by a 300 W Xe lamp with a 420 nm cut-off filter. In detail, 0.05 g of the as-synthesized photocatalyst was added into 100 mL of

Formation of nanoripples on ZnO flat substrates and nanorods by gas cluster ion bombardment

• Xiaomei Zeng,
• Vasiliy Pelenovich,
• Bin Xing,
• Rakhim Rakhimov,
• Wenbin Zuo,
• Alexander Tolstogouzov,
• Chuansheng Liu,
• Dejun Fu and
• Xiangheng Xiao

Beilstein J. Nanotechnol. 2020, 11, 383–390, doi:10.3762/bjnano.11.29

• Xiaomei Zeng Vasiliy Pelenovich Bin Xing Rakhim Rakhimov Wenbin Zuo Alexander Tolstogouzov Chuansheng Liu Dejun Fu Xiangheng Xiao Department of Physics and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Hubei Nuclear Solid Physics Key Laboratory and Center for

Poly(1-vinylimidazole) polyplexes as novel therapeutic gene carriers for lung cancer therapy

• Gayathri Kandasamy,
• Elena N. Danilovtseva,
• Vadim V. Annenkov and
• Uma Maheswari Krishnan

Beilstein J. Nanotechnol. 2020, 11, 354–369, doi:10.3762/bjnano.11.26

• 100, Perkin Elmer, USA). Dynamic light scattering (DLS) and zeta potential measurements: The hydrodynamic size of the PVI–siRNA polyplexes was measured on a Zetasizer Nano ZS (Malvern instruments, UK). Samples at different volume ratios containing a final siRNA concentration of 100 nM were used for

Interactions at the cell membrane and pathways of internalization of nano-sized materials for nanomedicine

• Valentina Francia,
• Daphne Montizaan and
• Anna Salvati

Beilstein J. Nanotechnol. 2020, 11, 338–353, doi:10.3762/bjnano.11.25

• Valentina Francia Daphne Montizaan Anna Salvati Groningen Research Institute of Pharmacy, University of Groningen, 9713AV Groningen, Netherlands 10.3762/bjnano.11.25 Abstract Nano-sized materials have great potential as drug carriers for nanomedicine applications. Thanks to their size, they can

• exploit the cellular machinery to enter cells and be trafficked intracellularly, thus they can be used to overcome some of the cellular barriers to drug delivery. Nano-sized drug carriers of very different properties can be prepared, and their surface can be modified by the addition of targeting moieties

• current understanding of the initial steps in the interactions of nano-sized materials with cells in relation to nanomedicine applications. In particular, we focus on the difficult interplay between the initial adhesion of nano-sized materials to the cell surface, the potential recognition by cell

Phase inversion-based nanoemulsions of medium chain triglyceride as potential drug delivery system for parenteral applications

• Eike Folker Busmann,
• Dailén García Martínez,
• Henrike Lucas and
• Karsten Mäder

Beilstein J. Nanotechnol. 2020, 11, 213–224, doi:10.3762/bjnano.11.16

• . Particle size and zeta potential measurement Particle diameters and zeta potentials were determined with the Malvern Instruments Zetasizer Nano ZS. To determine the particle diameters, the samples were diluted 1:100 in water and three measurements of 15 runs were conducted at 25 °C in the backscattering

Rational design of block copolymer self-assemblies in photodynamic therapy

• Maxime Demazeau,
• Laure Gibot,
• Anne-Françoise Mingotaud,
• Patricia Vicendo,
• Clément Roux and
• Barbara Lonetti

Beilstein J. Nanotechnol. 2020, 11, 180–212, doi:10.3762/bjnano.11.15