Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

• Lester Uy Vinzons,
• Guo-Chung Dong and
• Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

• Supporting Information File 1, Figure S2). Scanning electron microscopy (SEM) images (Figure 1C–E) confirm the featureless surface of flat PU and the ordered arrays of nanopillars and nanoholes on the nanopatterned films. For the PU nanopillar substrate, some short pillars occassionally appeared (Figure 1D

Sulfur nanocomposites with insecticidal effect for the control of Bactericera cockerelli

• Lany S. Araujo-Yépez,
• Juan O. Tigrero-Salas,
• Vicente A. Delgado-Rodríguez,
• Vladimir A. Aguirre-Yela and
• Josué N. Villota-Méndez

Beilstein J. Nanotechnol. 2023, 14, 1106–1115, doi:10.3762/bjnano.14.91

• eucalyptus and rosemary at different concentrations. Characterizations were carried out through UV–visible spectroscopy, energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM); also the insecticidal efficacy of the NCMPs for the control of

Dual-heterodyne Kelvin probe force microscopy

• Benjamin Grévin,
• Fatima Husainy,
• Dmitry Aldakov and
• Cyril Aumaître

Beilstein J. Nanotechnol. 2023, 14, 1068–1084, doi:10.3762/bjnano.14.88

Upscaling the urea method synthesis of CoAl layered double hydroxides

• Camilo Jaramillo-Hernández,
• Víctor Oestreicher,
• Martín Mizrahi and
• Gonzalo Abellán

Beilstein J. Nanotechnol. 2023, 14, 927–938, doi:10.3762/bjnano.14.76

• CoAl-based LDH synthesis through an ARR method had been demonstrated, morphological aspects were addressed by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM) (Figure 4 and Figure 5). For reference x1, well-defined hexagonal single

• electron microscopy (SEM) Scanning electron microscopy data was acquired using a Hitachi S-4800, with a beam energy of 5 keV. The samples on silicon wafers were directly investigated without any surface coating. Energy dispersive X-ray (EDS) spectroscopy studies were performed on a Hitachi S-4800

• spin-coated on a Si wafer (3000 rpm, 40 s), washed with ethanol and dried afterward. For AFM, the samples were diluted in ethanol and drop-cast on a Si/SiO2 wafer. Si/SiO2 wafers were washed by spin-coating ten droplets of acetone and ten droplets of isopropanol prior to sample deposition. Scanning

Biomimetics on the micro- and nanoscale – The 25th anniversary of the lotus effect

• Matthias Mail,
• Kerstin Koch,
• Thomas Speck,
• William M. Megill and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 850–856, doi:10.3762/bjnano.14.69

• Mail, Kerstin Koch, Thomas Speck, William M. Megill and Stanislav N. Gorb Eggenstein-Leopoldshafen, Kleve, Freiburg, and Kiel, July 2023 Biological archetype and eponym of the lotus effect: The sacred lotus (Nelumbo nucifera). a) Photo of a lotus plant. b) Scanning electron microscopy (SEM) image of

Ultralow-energy amorphization of contaminated silicon samples investigated by molecular dynamics

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

Beilstein J. Nanotechnol. 2023, 14, 834–849, doi:10.3762/bjnano.14.68

• substantially more controllable at low energies [10][11], which also makes such beams valid candidates for these processes. Another application includes lamella preparation for transmission electron microscopy (TEM). TEM and scanning electron microscopy (SEM) have high constraints regarding cleanliness [12

A wearable nanoscale heart sound sensor based on P(VDF-TrFE)/ZnO/GR and its application in cardiac disease detection

• Yi Luo,
• Jian Liu,
• Jiachang Zhang,
• Yu Xiao,
• Ying Wu and
• Zhidong Zhao

Beilstein J. Nanotechnol. 2023, 14, 819–833, doi:10.3762/bjnano.14.67

• utilized to analyze the composition and β-phase content of the composite piezoelectric nanofilms, while scanning electron microscopy (SEM) was employed to observe the morphology of the thin film filaments. Figure 6 displays the XRD patterns of the three composite piezoelectric nanofilms. In the P(VDF-TrFE

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

• Jelena Kosmaca,
• Juris Katkevics,
• Jana Andzane,
• Raitis Sondors,
• Liga Jasulaneca,
• Raimonds Meija,
• Kiryl Niherysh,
• Yelyzaveta Rublova and
• Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

• electron microscopy (SEM, Hitachi S4800) and atomic force microscopy (AFM, Asylum Research MFP-3D). Electrochemical impedance measurements were performed under various atmospheric conditions in a custom-made system described elsewhere [28]. The main system parameters were RH from 4% to 97%, gas flow from

• in 10 × 10 mm2 chips. To assemble the nanowires by dielectrophoresis, the chip was submerged in a suspension of the nanowires in IPA, and an AC voltage (5 V peak to peak, 5–50 kHz) was applied between the microelectrodes for 20 min [26]. Nanowires and microelectrodes were examined by scanning

SERS performance of GaN/Ag substrates fabricated by Ag coating of GaN platforms

• Magdalena A. Zając,
• Bogusław Budner,
• Malwina Liszewska,
• Bartosz Bartosewicz,
• Łukasz Gutowski,
• Jan L. Weyher and
• Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 552–564, doi:10.3762/bjnano.14.46

• morphology of fabricated Ag layers examined by scanning electron microscopy (SEM). Then, we present the results of their optical properties determined using UV–vis spectroscopy. Finally, we compare the SERS performance of the GaN/Ag substrates toward 4-mercaptobenzoic acid (pMBA) molecules adsorbed on them

Observation of multiple bulk bound states in the continuum modes in a photonic crystal cavity

• Rui Chen,
• Yi Zheng,
• Xingyu Huang,
• Qiaoling Lin,
• Chaochao Ye,
• Meng Xiong,
• Martijn Wubs,
• Yungui Ma,
• Minhao Pu and
• Sanshui Xiao

Beilstein J. Nanotechnol. 2023, 14, 544–551, doi:10.3762/bjnano.14.45

• carried out to compensate for deviations between fabricated and designed values. To obtain devices with larger Q factors and higher scattering power, cavities with larger Na = 30 and Nb = 10 were fabricated. Optical and scanning electron microscopy (SEM) images are given in Figure 3a. A microscope was

Carbon nanotube-cellulose ink for rapid solvent identification

• Tiago Amarante,
• Thiago H. R. Cunha,
• Claudio Laudares,
• Ana P. M. Barboza,
• Ana Carolina dos Santos,
• Cíntia L. Pereira,
• Vinicius Ornelas,
• Bernardo R. A. Neves,
• André S. Ferlauto and
• Rodrigo G. Lacerda

Beilstein J. Nanotechnol. 2023, 14, 535–543, doi:10.3762/bjnano.14.44

• length of 5 μm were produced at CTNano/UFMG [59][60][61]. Morphological analysis was carried out by scanning electron microscopy (SEM) in a Quanta 200 FEG, using secondary electrons between 2 and 10 kV. Atomic force microscopy (AFM) was carried out on a Bruker MultiMode8 SPM using the intermittent

On the use of Raman spectroscopy to characterize mass-produced graphene nanoplatelets

• Keith R. Paton,
• Konstantinos Despotelis,
• Naresh Kumar,
• Piers Turner and
• Andrew J. Pollard

Beilstein J. Nanotechnol. 2023, 14, 509–521, doi:10.3762/bjnano.14.42

• widely used characterization tool for GR2Ms [8]. A search of Web of Science showed that of 97,532 articles published in the last five years with “Graphene” in the abstract, 9.3% also mentioned “Raman”. This is compared with atomic force microscopy (AFM) (2.4%), scanning electron microscopy (SEM) (11.4

Mixed oxides with corundum-type structure obtained from recycling can seals as paint pigments: color stability

• Dienifer F. L. Horsth,
• Julia de O. Primo,
• Nayara Balaba,
• Fauze J. Anaissi and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2023, 14, 467–477, doi:10.3762/bjnano.14.37

• results. The Raman modes are A1g (ca. 149 cm−1 and ca. 501 cm−1) and E1g (ca. 222 cm−1, ca. 290 cm−1, ca. 298 cm−1, ca. 402 cm−1, and ca. 615 cm−1, where 290 cm−1 and 298 cm−1 usually are a doublet with E1g symmetry and cannot be easily resolved [20]. Scanning electron microscopy (SEM) The morphology of

Evaluation of electrosynthesized reduced graphene oxide–Ni/Fe/Co-based (oxy)hydroxide catalysts towards the oxygen evolution reaction

• Karolina Cysewska,
• Marcin Łapiński,
• Marcin Zając,
• Jakub Karczewski,
• Piotr Jasiński and
• Sebastian Molin

Beilstein J. Nanotechnol. 2023, 14, 420–433, doi:10.3762/bjnano.14.34

• the electrodeposition of conductive films on active metals [26]. The morphology of the deposits was analyzed by scanning electron microscopy (SEM) and is presented in Figure 1b–f. Typical GO flakes regularly distributed over the surface of the nickel foam were successfully obtained after the one-step

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

• scattering (DLS). The efficiency of the self-assembly was evaluated with scanning electron microscopy (SEM), UV–vis spectroscopy, and qualitative visual demonstration. Results and Discussion SiBP alone as catalyst Reaction kinetics were studied via OD measurements of the particles and GC analysis of

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

• using an electronic balance (XJ120A, Precisa LTD.). The nanofiber morphology was investigated by a scanning electron microscopy (SEM, Hitachi S4800, Hitachi LTD.), and Image J software (National Institute of Mental Health) was used to characterize the fiber diameter distribution by random selection 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

• , as well as the final thickness of the metallic layer, account for this difference in reflectivity. Scanning electron microscopy (SEM) carried out on the surface of functionalized textiles revealed the homogenous distribution of AgNPs, with average sizes of 62 ± 2 nm and 58 ± 1 nm for the Ag@PEG600DA

• electron microscopy (SEM), transmission electron microscopy (TEM), and reflectance measurements to assess the optical properties and the durability of the functionalized textiles. Results and Discussion Photoinduced synthesis of the Ag@polymer coating Specific monomers poly(ethylene glycol) 600 diacrylate

• measurements. A Bio photometer UV–vis spectrometer from Eppendorf was used to assess bacteria and yeast suspensions by OD measurements at 600 nm. Surface characterizations were carried out using transmission electron microscopy (TEM) at 200 kV on a Philips CM200 instrument (LaB6 cathode) and scanning electron

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

• SERS properties of the nanoporous structure. Using scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) the morphology and surface composition of each nanoporous structure were respectively evaluated and used to describe the SERS properties of the samples. Results and

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

• characterization of both coated and uncoated DCX-PLGA NPs was carried out by scanning electron microscopy (SEM). As it can be seen in Figure 1, both formulations exhibit perfectly round spheres with smooth surfaces. No free DCX crystals were found in the SEM pictures of any formulation, confirming that DCX was

Enhanced electronic transport properties of Te roll-like nanostructures

• E. R. Viana,
• N. Cifuentes and
• J. C. González

Beilstein J. Nanotechnol. 2022, 13, 1284–1291, doi:10.3762/bjnano.13.106

• under mild conditions. A large quantity of these polycrystalline nanostructures with a diameter between 100 and 900 nm and a wall thickness around 50 nm were synthesized and characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), transmission electron microscopy

• reagents used were of analytic grade, purchased from Sigma-Aldrich Chemicals Company, and directly used without further purification. Morphology, elemental analysis, and crystal structure Morphology and elemental composition of the as-prepared products were characterized by scanning electron microscopy

• (SEM, FEI Quanta 3D FEG) at an acceleration voltage of 15.0 kV. An EDS system attached to the SEM was employed to analyze the chemical composition. TEM, high-resolution TEM (HRTEM) images, and SAED measurements were carried out in an FEI Tecnai G2-20 S-TWIN operated at 200 kV in a bright-field (BF) TEM

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

• electric field. The nanotube tips produced by this method have strong adhesion and mechanical stability. Since the above methods require scanning electron microscopy (SEM) monitoring throughout the transfer process, the process is relatively time-consuming. Hafner et al. [40] proposed a new method to

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

• in practical applications and provide green energy for more electronic devices. (a) The water flow is driven by an external electric field in the “motor” part, so the water molecules gain kinetic energy, and then an electromotive force is generated in the "Generator" part. (b) A scanning electron

• microscopy (SEM) image of an individual single-walled carbon nanotube (SWNT) device. (c) Dependence of the induced voltage difference, ΔV, on the quantity of water injected into the chamber. ΔV increases with the quantity of water inside the chamber and tends to saturate at 500 μL. It is nearly symmetric for

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

• properties of the materials. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HR-TEM) were used to assess the morphology of the materials. The crystal phase of the materials was determined by X-ray diffraction (XRD) with a measurement range of 10°–80°. Fourier

Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

• Se-Kwon Kim,
• Sesha Subramanian Murugan,
• Pandurang Appana Dalavi,
• Sebanti Gupta,
• Sukumaran Anil,
• Gi Hun Seong and
• Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

• -hydroxybutyrate) chitosan/multiwalled carbon nanotube scaffold coated with a nanobioglass–titania scaffold on bone cell regeneration was investigated. Scanning electron microscopy (SEM) examination verified the porosity of the scaffolds in the 300–700 µm range. The incorporation of chitosan into poly(3

Spindle-like MIL101(Fe) decorated with Bi₂O₃ nanoparticles for enhanced degradation of chlortetracycline under visible-light irradiation

• Chen-chen Hao,
• Fang-yan Chen,
• Kun Bian,
• Yu-bin Tang and
• Wei-long Shi

Beilstein J. Nanotechnol. 2022, 13, 1038–1050, doi:10.3762/bjnano.13.91

• . Characterization of the as-prepared catalyst The crystalline structure of the prepared photocatalyst was analyzed by X-ray diffraction spectrometry (Empyrean, Panalytical, Holland) with Cu Kα radiation at a scanning speed of 7 °/min. The morphology of the samples was observed by scanning electron microscopy (SEM