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

• ][16][17] could be applied at different length scales, ranging from the nano- to the macroscale. One can envision various applications at larger scales, such as the characterization of muscular viscoelasticity in orthopedic rehabilitation or in athletics, where the mechanical properties of muscles

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

• sensing and nonlinear optics, which are important for practical nano-optics utilization. Schematic of the double-layer symmetric gratings structure. Reflection spectra mapping of the DLSG-based structure with respect to wavelength and α. a) Reflection spectra of the structure with different α values. The

Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics

• Sedat Ünal,
• Osman Doğan and
• Yeşim Aktaş

Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115

• frequently used in research especially in the development of nanoparticulate drug formulations [17][22][23][24]. Chitosan (CS) is a common biocompatible polymer used extensively in drug delivery applications as a vehicle for drugs, proteins, and nucleic acids. Also, it is used as a coating polymer in nano

• phase for the blank PLGA nanoparticles. In vitro characterization of the nanoparticles Mean particle size and surface charge Mean particle size (nm), PDI, and zeta potential (mV) of the NPs were investigated by dynamic light scattering (DLS; Malvern Zetasizer Nano ZS series, UK) with a disposable

Dry under water: air retaining properties of large-scale elastomer foils covered with mushroom-shaped surface microstructures

• Matthias Mail,
• Stefan Walheim,
• Thomas Schimmel,
• Wilhelm Barthlott,
• Stanislav N. Gorb and
• Lars Heepe

Beilstein J. Nanotechnol. 2022, 13, 1370–1379, doi:10.3762/bjnano.13.113

• Matthias Mail Stefan Walheim Thomas Schimmel Wilhelm Barthlott Stanislav N. Gorb Lars Heepe Nees Institute for Biodiversity of Plants, University of Bonn, Venusbergweg 22, D-53115 Bonn, Germany Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of

• . Acknowledgements The authors thank Karlsruhe Nano Micro Facility (KNMF, http://www.kit.edu/knmf), a Helmholtz Research Infrastructure at Karlsruhe Institute of Technology (KIT) for providing technical facilities for our work. Further, the authors thank Sebastian Onasch, Peter Baumann, Thomas Pfeffer, Birte

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

• Alexandru-Milentie Hada,
• Nina Burduja,
• Marco Abbate,
• Claudio Stagno,
• Guy Caljon,
• Louis Maes,
• Nicola Micale,
• Massimiliano Cordaro,
• Angela Scala,
• Antonino Mazzaglia and
• Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

• Alexandru-Milentie Hada Nina Burduja Marco Abbate Claudio Stagno Guy Caljon Louis Maes Nicola Micale Massimiliano Cordaro Angela Scala Antonino Mazzaglia Anna Piperno Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai

• (nanoG) and 0.2 cm path length quartz cells (nanoGS and nanoGSP) at room temperature (≈25 °C). The zeta potential, average hydrodynamic diameter, and width of distribution (polydispersity index, PDI) measurements were carried out by a Zetasizer Nano ZS (Malvern Instrument, Malvern, U.K.) at 25 °C in

Near-infrared photoactive Ag-Zn-Ga-S-Se quantum dots for high-performance quantum dot-sensitized solar cells

• Roopakala Kottayi,
• Ilangovan Veerappan and
• Ramadasse Sittaramane

Beilstein J. Nanotechnol. 2022, 13, 1337–1344, doi:10.3762/bjnano.13.110

• JSM-7600F. The electronic states of the elements and their atomic ratio in the prepared samples was analyzed by using XPS (Kratos AXIS Ultra DLD) and EDX (Bruker Nano XFlash detector attached to the HRTEM). Optical properties were examined by using a UV–vis–NIR spectrophotometer (Perkin Elmer L-650 UV

Bending and punching characteristics of aluminum sheets using the quasi-continuum method

• Man-Ping Chang,
• Shang-Jui Lin and
• Te-Hua Fang

Beilstein J. Nanotechnol. 2022, 13, 1303–1315, doi:10.3762/bjnano.13.108

• Man-Ping Chang Shang-Jui Lin Te-Hua Fang Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan 10.3762/bjnano.13.108 Abstract The nano-punching characteristics of single-crystalline aluminum are investigated using the quasi

• -continuum (QC) method. Four variables (i.e., crystal orientation, workpiece thickness, clearance between the punch and the substrate, and the taper angle of punch) are used to explore their effect during the nano-punching process. The shear stress distribution is used to express the punching effect on the

• punch and on both sides of the substrates. Besides, fracture strength, residual flash, and the atomic displacement vector are observed and discussed regarding the behaviors of the nano-punching process under various conditions. Based on the results, the Al workpiece with the X[111]Y[−110] orientation

Studies of probe tip materials by atomic force microscopy: a review

• Ke Xu and
• Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

• attractive platform, offering more possibilities for sharpening tips in a controlled manner. These metal clusters can be easily generated with various metals (e.g., Ir, Au, Ni, Co, Pb, or Sn), allowing the generation of nano-tips with different functionalities. The good point is that these clusters were

• ][24]. Jiménez-Sánchez et al. [25] studied the extraction of Ir clusters from graphene (by indentation) on the surface of Rh(111) to fabricate AFM sharp nano-tips, i.e., with weak van der Waals interactions. Experiments were performed under ultrahigh pressure and low temperature (5 K) conditions using

• affects the long-range force of tip detection. Cluster extraction caused a significant increase in effective tip radius (RT) and nano-tip height (z0). They are suggesting that clusters remain attached to the tip after extraction. These findings raise the question of whether the iterations of the

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

• inorganic films used extensively in photovoltaics, (nano)electronics, energy storage and catalysis [5][6][7][8]. Similarly to ALD, MLD is based on sequential self-limiting reactions of readily vaporized inorganic precursors but the second reactant is a highly volatile organic species. Thus, in contrast to

• Li ion batteries or pseudocapacitance supercapacitors [31]. These films were also employed as coatings of nano Si electrodes and successfully improved their performance [48]. As described above, different titanicone and Ti–organic MLD processes have been developed and although first principles

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

• Patrick Weiser Robin Kietz Marc Schneider Matthias Worgull Hendrik Holscher Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), P.O. box 36 40, 76021 Karlsruhe, Germany Karlsruhe Nano Micro Facility for information-driven Material Structuring and Characterization

• unwanted dirt [5][6]. The lotus effect is commonly achieved by hierarchical nano- and micro-structuring of surfaces made from materials with low surface energy leading to very high contact angles (above 150°). This strategy is inspired by the lotus leaf [1] but can be found on many other surfaces in nature

• continuous support and help in the lab. Funding This work was supported in part by the Karlsruhe Nano Micro Facility (KNMF) and the MWK through the research program “Ideenwettbewerb Biotechnologie – Von der Natur lernen”.

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

• , Sichuan 610209, China The Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China 10.3762/bjnano.13.101 Abstract In recent

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

• electrode materials to collect the electric energy, wearable MEG textiles still need require further investigation. MEGs also have potential in other research fields. In micro/nano-driven devices [92], a hygro-responsive layer can use ambient humidity to provide a continuous power supply for the device

• 4.0. (b, c) Cross-sectional SEM images of a Ni–Al LDH film. Figure 4b and 4c were adapted from [52]. This article was published in Nano Energy, vol. 70, by J. Tian; Y. Zang; J. Sun; J. Qu; F. Gao; G. Liang, “Surface charge density-dependent performance of Ni–Al layered double hydroxide-based flexible

• under the phase gradient of MoS2. Figure 4d and 4e were reprinted from [50]. This article was published in Nano Energy, vol. 81, by D. He; Y. Yang; Y. Zhou; J. Wan; H. Wang; X. Fan; Q. Li; H. Huang, “Electricity generation from phase-engineered flexible MoS2 nanosheets under moisture“, article no

Effects of focused electron beam irradiation parameters on direct nanostructure formation on Ag surfaces

• Jānis Sniķeris,
• Vjačeslavs Gerbreders,
• Andrejs Bulanovs and
• Ēriks Sļedevskis

Beilstein J. Nanotechnol. 2022, 13, 1004–1010, doi:10.3762/bjnano.13.87

• surfaces undergoing irradiation by a focused electron beam. Keywords: atomic force microscopy; electron beam; lithography; nanostructure; silver; sputtering; surface; Introduction Metallic nanostructures have various uses, including in nano-electro-mechanical systems [1], plasmonic biosensors [2], and

Influence of water contamination on the sputtering of silicon with low-energy argon ions investigated by molecular dynamics simulations

• Grégoire R. N. Defoort-Levkov,
• Alan Bahm and
• Patrick Philipp

Beilstein J. Nanotechnol. 2022, 13, 986–1003, doi:10.3762/bjnano.13.86

• Gregoire R. N. Defoort-Levkov Alan Bahm Patrick Philipp Advanced Instrumentation for Nano-Analytics (AINA), Materials Research and Technology Department (MRT), Luxembourg Institute of Science and Technology (LIST), 4422 Belvaux, Luxembourg University of Luxembourg, 4365 Esch-sur-Alzette

Design of a biomimetic, small-scale artificial leaf surface for the study of environmental interactions

• Miriam Anna Huth,
• Axel Huth,
• Lukas Schreiber and
• Kerstin Koch

Beilstein J. Nanotechnol. 2022, 13, 944–957, doi:10.3762/bjnano.13.83

• the plant cuticle and, thus, the first contact site of the plant with its biotic and abiotic environment. They form a thin crystalline wax film (less than 1 µm) and often various three-dimensional emerging wax crystals in the nano- and micrometer range (0.5–100 µm) [14][15][16]. Recrystallization of

Bioselectivity of silk protein-based materials and their bio-inspired applications

• Hendrik Bargel,
• Vanessa T. Trossmann,
• Christoph Sommer and
• Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

Optimizing PMMA solutions to suppress contamination in the transfer of CVD graphene for batch production

• Chun-Da Liao,
• Andrea Capasso,
• Tiago Queirós,
• Telma Domingues,
• Fatima Cerqueira,
• Nicoleta Nicoara,
• Jérôme Borme,
• Paulo Freitas and
• Pedro Alpuim

Beilstein J. Nanotechnol. 2022, 13, 796–806, doi:10.3762/bjnano.13.70

• a low-pressure CVD system (CVD First Nano, EasyTube 3000). A 25 µm thick annealed Cu foil (Alfa Aesar, purity 99.8%), serving as a metal catalyst, was placed in a graphite enclosed cavity during the whole process. The temperature for annealing and growth was kept stable at 1040 °C by PID thermal

Gelatin nanoparticles with tunable mechanical properties: effect of crosslinking time and loading

• Agnes-Valencia Weiss,
• Daniel Schorr,
• Julia K. Metz,
• Metin Yildirim,
• Saeed Ahmad Khan and
• Marc Schneider

Beilstein J. Nanotechnol. 2022, 13, 778–787, doi:10.3762/bjnano.13.68

• GmbH (Wetzlar, Germany). MLCT Cantilevers were purchased from Bruker France Nano Surfaces (Wissembourg, France). The human cell line A549 ACC107 [20] (DSMZ, Braunschweig, Germany) was cultivated in RPMI 1640 (Roswell Park Memorial Institute 1640, gibco™, Fisher Scientific, USA) supplemented with 10

• same day. AFM measurements were carried out with a JPK NanoWizard® 3 AFM (JPK Instruments, Berlin, Germany) using the MLCT cantilever tip D (Bruker France Nano Surfaces, Wissembourg, France) with a nominal resonance frequency of 15 kHz and a spring constant of 0.03 N/m. Before each measurement, the

• gelatin nanoparticles crosslinked for 0.5 h. Images were taken at 37 °C in Milli-Q® water running the JPK Nano Wizard 3 AFM executing the QI™-Mode. Young’s moduli of gelatin nanoparticles and crosslinking time. (A) Highlighting the linear dependency of crosslinking time and the resulting mechanical

Antibacterial activity of a berberine nanoformulation

• Hue Thi Nguyen,
• Tuyet Nhung Pham,
• Anh-Tuan Le,
• Nguyen Thanh Thuy,
• Tran Quang Huy and
• Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2022, 13, 641–652, doi:10.3762/bjnano.13.56

• Hue Thi Nguyen Tuyet Nhung Pham Anh-Tuan Le Nguyen Thanh Thuy Tran Quang Huy Thuy Thi Thu Nguyen Phenikaa University Nano Institute (PHENA), Phenikaa University, Hanoi 12116, Vietnam National Institute of Hygiene and Epidemiology, Hanoi, Vietnam 10.3762/bjnano.13.56 Abstract This study describes

• transmission electron microscopy (TEM, JEM1010, JEOL). The dynamic average size distribution and the stability of the prepared BBR NPs in aqueous solution were evaluated by dynamic light scattering (DLS) using a Zetasizer Nano ZS, Malvern Instruments. Antibacterial activity of BBR NPs The antibacterial

Fabrication and testing of polymer microneedles for transdermal drug delivery

• Vahid Ebrahiminejad,
• Zahra Faraji Rad,
• Philip D. Prewett and
• Graham J. Davies

Beilstein J. Nanotechnol. 2022, 13, 629–640, doi:10.3762/bjnano.13.55

• . Acknowledgements This work was performed in part at the Queensland node of the Australian National Fabrication Facility, a company established under the National Collaborative Research Infrastructure Strategy to provide nano and microfabrication facilities for Australia’s researchers. This research was undertaken

Revealing local structural properties of an atomically thin MoSe₂ surface using optical microscopy

• Lin Pan,
• Peng Miao,
• Anke Horneber,
• Alfred J. Meixner,
• Pierre-Michel Adam and
• Dai Zhang

Beilstein J. Nanotechnol. 2022, 13, 572–581, doi:10.3762/bjnano.13.49

• measurements are performed using a custom-built confocal microscope assisted with a parabolic mirror, as shown in Supporting Information File 1, Figure S4. In this microscope, either a 636 nm diode laser (PDL 800-D, Picoquant) or a 532 nm laser (NANO 250-532 max, QIOPTIQ) in continuous wave mode are coupled to

Detection and imaging of Hg(II) in vivo using glutathione-functionalized gold nanoparticles

• Gufeng Li,
• Shaoqing Li,
• Rui Wang,
• Min Yang,
• Lizhu Zhang,
• Yanli Zhang,
• Wenrong Yang and
• Hongbin Wang

Beilstein J. Nanotechnol. 2022, 13, 549–559, doi:10.3762/bjnano.13.46

• Fluorescence spectrophotometer (Hitachi, Japan). Mean particle size and the zeta potential were recorded using a Zetasizer Nano ZS90 (Malvern, UK). A Nicolet iS10 infrared spectrometer (Nicolet, USA) was used to gather FTIR spectra in a scanning range of 400–4000 cm−1. Fluorescence images of cells were

Stimuli-responsive polypeptide nanogels for trypsin inhibition

• Petr Šálek,
• Jana Dvořáková,
• Sviatoslav Hladysh,
• Diana Oleshchuk,
• Ewa Pavlova,
• Jan Kučka and
• Vladimír Proks

Beilstein J. Nanotechnol. 2022, 13, 538–548, doi:10.3762/bjnano.13.45

• mg/mL) at 25 and 37 °C using a Zetasizer Nano ZS (Malvern Instruments Ltd., Worcestershire, UK) at 633 nm and 173° detection angle. Size and size distribution were obtained from the correlation function using CONTIN analysis available in the Malvern software. The hydrodynamic diameters (DH) were

Ethosomal (−)-epigallocatechin-3-gallate as a novel approach to enhance antioxidant, anti-collagenase and anti-elastase effects

• Çiğdem Yücel,
• Gökçe Şeker Karatoprak,
• Sena Yalçıntaş and
• Tuğba Eren Böncü

Beilstein J. Nanotechnol. 2022, 13, 491–502, doi:10.3762/bjnano.13.41

• of 1:1 (v/v). Characterization of formulations In the characterization studies, PS, ZP, and PDI of the developed ETHs were measured using a Zetasizer Nano ZS-Malvern. The ETHs were visualized using SEM. The content of EGCG entrapped in ETHs (EE%) was estimated after removal of the uncaptured drug

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

• Ioana Marica,
• Fran Nekvapil,
• Maria Ștefan,
• Cosmin Farcău and
• Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40