Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

• Mykhailo Nahorniak,
• Pamela Pasetto,
• Jean-Marc Greneche,
• Volodymyr Samaryk,
• Sandy Auguste,
• Anthony Rousseau,
• Nataliya Nosova and
• Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

• , thereby proving their partial oxidation [39][40]. The Fourier-transform infrared spectroscopy/attenuated total reflectance (ATR-FTIR) and TGA techniques were used for surface characterization in terms of the presence of higher fatty acids, which play an essential role in the stability and future

Application of contact-resonance AFM methods to polymer samples

• Sebastian Friedrich and
• Brunero Cappella

Beilstein J. Nanotechnol. 2020, 11, 1714–1727, doi:10.3762/bjnano.11.154

• versatile tool in surface characterization and provides, besides its initial intention of topographical imaging, several methods for obtaining information about mechanical properties. The most common and reliable method consists in recording force–distance curves, which is a quasi-static method. A thorough

Design of V-shaped cantilevers for enhanced multifrequency AFM measurements

• Mehrnoosh Damircheli and
• Babak Eslami

Beilstein J. Nanotechnol. 2020, 11, 1525–1541, doi:10.3762/bjnano.11.135

• an optimum rectangular cantilever. Two sets of bimodal AFM experiments are carried out on Au-PS and PS-LDPE (polystyrene and low-density polyethylene) samples to verify the simulation results. Keywords: bimodal AFM; optimization; soft matter; surface characterization; V-shaped cantilevers

Evaluation of click chemistry microarrays for immunosensing of alpha-fetoprotein (AFP)

• Seyed Mohammad Mahdi Dadfar,
• Sylwia Sekula-Neuner,
• Vanessa Trouillet,
• Hui-Yu Liu,
• Ravi Kumar,
• Annie K. Powell and
• Michael Hirtz

Beilstein J. Nanotechnol. 2019, 10, 2505–2515, doi:10.3762/bjnano.10.241

• solution was dialyzed in PBS to replace the tris(hydroxymethyl)aminomethane buffer solution with PBS. For AFP labeling, NHS–rhodamine was added to the AFP solution at a 10- to 15-fold molar excess and dialyzed again to remove any extra NHS–rhodamine (Figure 2d). Surface characterization The surface of the

Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides

• Muhammad A. Zaheer,
• David Poppitz,
• Khavar Feyzullayeva,
• Marianne Wenzel,
• Jörg Matysik,
• Radomir Ljupkovic,
• Aleksandra Zarubica,
• Alexander A. Karavaev,
• Andreas Pöppl,
• Roger Gläser and
• Muslim Dvoyashkin

Beilstein J. Nanotechnol. 2019, 10, 2039–2061, doi:10.3762/bjnano.10.200

• to the expected surface dehydroxylation resulting from the high-temperature treatment. The obtained surface basic site density and corresponding intrinsic adsorption capacity are presented in Table 2. Surface characterization of the ETS-10-based titanosilicates by 29Si MAS NMR For quantitative

Growth dynamics and light scattering of gold nanoparticles in situ synthesized at high concentration in thin polymer films

• Corentin Guyot,
• Philippe Vandestrick,
• Ingrid Marenne,
• Olivier Deparis and
• Michel Voué

Beilstein J. Nanotechnol. 2019, 10, 1768–1777, doi:10.3762/bjnano.10.172

• from each other and the annealing process yields a well-defined scattering lobe at scattering angles between θr = −35° and θr = 35°. The scattered intensities are more or less symmetrical with respect to the incidence plane, θr = 0°. Topographic surface characterization The annealed gold nanocomposites

Nanoscale spatial mapping of mechanical properties through dynamic atomic force microscopy

• Zahra Abooalizadeh,
• Leszek Josef Sudak and
• Philip Egberts

Beilstein J. Nanotechnol. 2019, 10, 1332–1347, doi:10.3762/bjnano.10.132

• to surface characterization has resulted in very little water or other contamination of the exposed steps, thus allowing for the measurement of the intrinsic properties of the step edges themselves. The results contained within subsequent sections of this manuscript also showed the same trend in the

Topochemical engineering of composite hybrid fibers using layered double hydroxides and abietic acid

• Liji Sobhana,
• Lokesh Kesavan,
• Jan Gustafsson and
• Pedro Fardim

Beilstein J. Nanotechnol. 2019, 10, 589–605, doi:10.3762/bjnano.10.60

• -HF0.15M, C-HF0.30M, and C-HF0.45M) revealed how LDH is anchored on the fiber surface and the resin acid AA modifies the surface of hybrid fibers (HF). Hybrid fibers (HF): The surface characterization of co-precipitated LDH on pulp fibers (HF of BKP, BKPR, UBKP, and UBKPR) revealed that LDH crystals had

Advanced scanning probe lithography using anatase-to-rutile transition to create localized TiO₂ nanorods

• Julian Kalb,
• Vanessa Knittel and
• Lukas Schmidt-Mende

Beilstein J. Nanotechnol. 2019, 10, 412–418, doi:10.3762/bjnano.10.40

• should be noted that the applied force during scratching is much higher than used for conventional AFM surface characterization in contact mode. Consequently, the AFM tip is worn out faster than during a standard surface characterization. Although the critical force that is needed for activating the

Biomimetic surface structures in steel fabricated with femtosecond laser pulses: influence of laser rescanning on morphology and wettability

• Camilo Florian Baron,
• Alexandros Mimidis,
• Daniel Puerto,
• Evangelos Skoulas,
• Emmanuel Stratakis,
• Javier Solis and
• Jan Siegel

Beilstein J. Nanotechnol. 2018, 9, 2802–2812, doi:10.3762/bjnano.9.262

• surface morphology. We present experimental results of complex self-organized structures produced in commercial steel that resemble the morphology of the skin of certain reptiles and insects, which are of great interest due to their exceptional fluid transport and friction reduction properties. Surface

• characterization is performed via optical and scanning electron microscopy. Wetting measurements on the fabricated structures are presented, demonstrating that different wetting regimes can be achieved by a proper choice of the processing parameters, leading to the formation of hydrophilic, hydrophobic and

Intrinsic ultrasmall nanoscale silicon turns n-/p-type with SiO₂/Si₃N₄-coating

• Dirk König,
• Daniel Hiller,
• Noël Wilck,
• Birger Berghoff,
• Merlin Müller,
• Sangeeta Thakur,
• Giovanni Di Santo,
• Luca Petaccia,
• Joachim Mayer,
• Sean Smith and
• Joachim Knoch

Beilstein J. Nanotechnol. 2018, 9, 2255–2264, doi:10.3762/bjnano.9.210

• directly on its front surface. Characterization UPS measurements were carried out at the BaDElPh beamline [25] at the Elettra Synchrotron in Trieste, Italy, in top-up mode (310 mA electron ring current). All samples were subject to a UHV anneal for 90 min at 500 K to desorb water and air-related species

Surface characterization of nanoparticles using near-field light scattering

• Eunsoo Yoo,
• Yizhong Liu,
• Chukwuazam A. Nwasike,
• Sebastian R. Freeman,
• Brian C. DiPaolo,
• Bernardo Cordovez and
• Amber L. Doiron

Beilstein J. Nanotechnol. 2018, 9, 1228–1238, doi:10.3762/bjnano.9.114

Periodic structures on liquid-phase smectic A, nematic and isotropic free surfaces

• Anna N. Bagdinova,
• Evgeny I. Demikhov,
• Nataliya G. Borisenko,
• Sergei M. Tolokonnikov,
• Gennadii V. Mishakov and
• Andrei V. Sharkov

Beilstein J. Nanotechnol. 2018, 9, 342–352, doi:10.3762/bjnano.9.34

• applications, such as display quality technology and production enhancement. The free surface of liquid crystals is interesting by itself because many applications use one single boundary (e.g., coatings, paints, make-up) [3][4]. Appreciable progress in the development of tools for surface characterization

Air–water interface of submerged superhydrophobic surfaces imaged by atomic force microscopy

• Markus Moosmann,
• Thomas Schimmel,
• Wilhelm Barthlott and
• Matthias Mail

Beilstein J. Nanotechnol. 2017, 8, 1671–1679, doi:10.3762/bjnano.8.167

• a two-component epoxy resin (Epoxidharz L and Härter S, R&G Faserverbundwerkstoffe GmbH, Waldenbuch, Germany). After curing the epoxy resin, the samples were taken out of the casting mold and dip-coated with Tegotop® 210 (Evonik Industries AG, Essen, Germany) to create a superhydrophobic surface

• . Characterization by atomic force microscopy (AFM) AFM images were made with a commercial AFM system (Dimension ICON, Bruker) operated by a Nanoscope V controller (Bruker). Imaging under ambient conditions was conducted in tapping mode with NSC 15 cantilevers (MikroMasch) with a nominal force constant of 40 N/m and

Treatment of fly ash from power plants using thermal plasma

• Sulaiman Al-Mayman,
• Ibrahim AlShunaifi,
• Abdullah Albeladi,
• Imed Ghiloufi and
• Saud Binjuwair

Beilstein J. Nanotechnol. 2017, 8, 1043–1048, doi:10.3762/bjnano.8.105

• glassy. Keywords: fly ash; power plant; stabilization/solidification; surface characterization; thermal plasma; Introduction Fly ash is a residue material produced in power plants. This fly ash contains a high level of residual carbon [1], and it contains also transition metals (Fe, Mn, and Co) and

Silicon microgrooves for contact guidance of human aortic endothelial cells

• Sara Fernández-Castillejo,
• Pilar Formentín,
• Úrsula Catalán,
• Josep Pallarès,
• Lluís F. Marsal and
• Rosa Solà

Beilstein J. Nanotechnol. 2017, 8, 675–681, doi:10.3762/bjnano.8.72

• acetone. In order to obtain groove silicon samples, the pre-patterned silicon wafers were submersed in 8% TMAH at 80 °C for 60 min to obtain slope-shaped grooves and 90 min to obtain V-shaped grooves. Surface characterization Surface characterization was carried out by SEM using a FEI Quanta 600

Studying friction while playing the violin: exploring the stick–slip phenomenon

• Santiago Casado

Beilstein J. Nanotechnol. 2017, 8, 159–166, doi:10.3762/bjnano.8.16

• from which the stick–slip friction phenomenon emerges at the mesoscale is still under debate, mainly through model systems. To gain insight into this matter, surface characterization of devices with a fine control of a measurable physical effect triggered by friction at this scale is crucial. Optical

• to be suitably attached for AFM measurement purposes. The coupling to the optical microscope significantly helped in the localization of the upper hair region. The surface characterization of one standard string (Synthetic/Silver Mittel Envelope D-string, Pirastro Tonica) was also measured using the

• rosin particles. Sound waves and Fourier analyses of samples 1 and 2 after cleaning. Images of sample 1 (a) and 2 (b) cleaned surfaces, showing geometrical differences at various scales. Surface characterization of the D-string of a violin. Line profile comparison between D-string (upper plots, blue

High performance Ce-doped ZnO nanorods for sunlight-driven photocatalysis

• Bilel Chouchene,
• Tahar Ben Chaabane,
• Lavinia Balan,
• Emilien Girot,
• Kevin Mozet,
• Ghouti Medjahdi and
• Raphaël Schneider

Beilstein J. Nanotechnol. 2016, 7, 1338–1349, doi:10.3762/bjnano.7.125

• software (Casa Software Ltd, Teignmouth, UK, http://www.casaxps.com) was used for all peak fitting procedures and the areas of each component were modified according to classical Scofield sensitivity factors. The textural properties of the materials were investigated with a Micromeritics 3Flex Surface

• Characterization Analyzer instrument using liquid nitrogen (−196 °C). Prior to the analyses, the samples were out-gassed overnight under primary vacuum at 40 °C on the ports of the Micromeritics VacPrep 061 degasser followed by 4 h out-gassing under high vacuum on the analyse ports. The resulting isotherms were

Nanostructured superhydrophobic films synthesized by electrodeposition of fluorinated polyindoles

• Gabriela Ramos Chagas,
• Thierry Darmanin and
• Frédéric Guittard

Beilstein J. Nanotechnol. 2015, 6, 2078–2087, doi:10.3762/bjnano.6.212

• electrodeposition, the coated substrates were washed three times in acetonitrile and slowly dried. Polymer and surface characterization The surface roughness (arithmetic Ra and quadratic Rq) were determined by using a Wyko NT 1100 optical microscope of Bruker. The data were obtained using the High Mag Phase Shift

Self-assembled anchor layers/polysaccharide coatings on titanium surfaces: a study of functionalization and stability

• Ognen Pop-Georgievski,
• Dana Kubies,
• Josef Zemek,
• Neda Neykova,
• Roman Demianchuk,
• Eliška Mázl Chánová,
• Miroslav Šlouf,
• Milan Houska and
• František Rypáček

Beilstein J. Nanotechnol. 2015, 6, 617–631, doi:10.3762/bjnano.6.63

• ; neridronate; poly(dopamine); spectroscopic ellipsometry; surface characterization; surface modification; titanium; XPS; Introduction Titanium and titanium alloys are widely used in medicine and dentistry to replace and support hard tissues [1]. The absence of toxic alloying metals [1], extraordinary specific

Oxygen-plasma-modified biomimetic nanofibrous scaffolds for enhanced compatibility of cardiovascular implants

• Anna Maria Pappa,
• Varvara Karagkiozaki,
• Silke Krol,
• Spyros Kassavetis,
• Dimitris Konstantinou,
• Charalampos Pitsalidis,
• Lazaros Tzounis,
• Nikos Pliatsikas and
• Stergios Logothetidis

Beilstein J. Nanotechnol. 2015, 6, 254–262, doi:10.3762/bjnano.6.24

• reported to negatively affect the morphology and integrity of the treated systems [26]. A morphological and surface characterization of the treated systems was performed in order to evaluate the optimum treatment conditions and the results are presented below. The SEM micrographs of the untreated and the

Increasing throughput of AFM-based single cell adhesion measurements through multisubstrate surfaces

• Miao Yu,
• Nico Strohmeyer,
• Jinghe Wang,
• Daniel J. Müller and
• Jonne Helenius

Beilstein J. Nanotechnol. 2015, 6, 157–166, doi:10.3762/bjnano.6.15

• interfere with measurements, where the pale red area indicates regions where small interference occurs, and white areas are where measurements are not possible. Surface characterization. Representative topographies of BSA-coated (A) and collagen I-coated (C) glass surfaces, and BSA-coated (B) and collagen I

Effects of surface functionalization on the adsorption of human serum albumin onto nanoparticles – a fluorescence correlation spectroscopy study

• Pauline Maffre,
• Stefan Brandholt,
• Karin Nienhaus,
• Li Shang,
• Wolfgang J. Parak and
• G. Ulrich Nienhaus

Beilstein J. Nanotechnol. 2014, 5, 2036–2047, doi:10.3762/bjnano.5.212

• that the NPs used in these studies are well characterized. Currently, a thorough physical and chemical surface characterization is still challenging, however, and requires the combination of several methods. In future studies, the kinetics of protein adsorption, corona stability and aging need more

A nanometric cushion for enhancing scratch and wear resistance of hard films

• Katya Gotlib-Vainshtein,
• Olga Girshevitz,
• Chaim N. Sukenik,
• David Barlam and
• Sidney R. Cohen

Beilstein J. Nanotechnol. 2014, 5, 1005–1015, doi:10.3762/bjnano.5.114

• ][37]. The TiO2-coated samples were rinsed in water and methanol before drying under conditions of controlled humidity [47]. The stability of the coating was confirmed by sonication in water for 10 min. Surface Characterization Scanning electron microscopy (SEM). The surface morphology of the samples

Core level binding energies of functionalized and defective graphene

• Toma Susi,
• Markus Kaukonen,
• Paula Havu,
• Mathias P. Ljungberg,
• Paola Ayala and
• Esko I. Kauppinen

Beilstein J. Nanotechnol. 2014, 5, 121–132, doi:10.3762/bjnano.5.12

• method is not local, XPS is able to discern specific atomic defects if they are numerous enough and, furthermore, provide essential statistical information on their concentrations. Typically, XPS has been limited to surface characterization because of the limited escape depth of photoemitted electrons