Fabrication of nanocrystal forms of ᴅ-cycloserine and their application for transdermal and enteric drug delivery systems

• Hsuan-Ang Tsai,
• Tsai-Miao Shih,
• Theodore Tsai,
• Jhe-Wei Hu,
• Yi-An Lai,
• Jui-Fu Hsiao and
• Guochuan Emil Tsai

Beilstein J. Nanotechnol. 2024, 15, 465–474, doi:10.3762/bjnano.15.42

• stability of DCS nanocrystals under these experimental conditions. This is the first time that DCS nanocrystals were successfully developed and applied in a transdermal system. Stability tests of these formulations under high temperature and high humidity for final formulations can be conducted in the

Potential of a deep eutectic solvent in silver nanoparticle fabrication for antibiotic residue detection

• Le Hong Tho,
• Bui Xuan Khuyen,
• Ngoc Xuan Dat Mai and
• Nhu Hoa Thi Tran

Beilstein J. Nanotechnol. 2024, 15, 426–434, doi:10.3762/bjnano.15.38

• synthesis because of the Cl− anions in choline chloride, which may unintentionally cause AgCl precipitation. Here, we chose an alternative DES [56] without any anions precipitating with Ag+ cations. ᴅ-glucose, urea, and glycerol (molar ratio 1:1:2) were mixed and magnetically stirred at relatively high

• temperature until a homogenous liquid formed. Then, the mixture was cooled down gradually to room temperature while keeping the vigorous stirring. 0.025 g of AA was dissolved in 10.195 g of fabricated DES, and 0.006 g of AgNO3 was added later, which helped the reaction to occur. After 30 min of constant

Determining by Raman spectroscopy the average thickness and N-layer-specific surface coverages of MoS₂ thin films with domains much smaller than the laser spot size

• Felipe Wasem Klein,
• Jean-Roch Huntzinger,
• Vincent Astié,
• Damien Voiry,
• Romain Parret,
• Houssine Makhlouf,
• Sandrine Juillaguet,
• Jean-Manuel Decams,
• Sylvie Contreras,
• Périne Landois,
• Ahmed-Azmi Zahab,
• Jean-Louis Sauvajol and
• Matthieu Paillet

Beilstein J. Nanotechnol. 2024, 15, 279–296, doi:10.3762/bjnano.15.26

• . However, the high temperature used in the CVD synthesis and interaction with the substrate can lead to lattice distortion and the presence of vacancies and doping. In the following, we limit our study to a number of layers N ≤ 4. Figure 4a compares the values of ΔωA−E measured on exfoliated (Figure 4a

Influence of conductive carbon and MnCo₂O₄ on morphological and electrical properties of hydrogels for electrochemical energy conversion

• Sylwia Pawłowska,
• Karolina Cysewska,
• Yasamin Ziai,
• Jakub Karczewski,
• Piotr Jasiński and
• Sebastian Molin

Beilstein J. Nanotechnol. 2024, 15, 57–70, doi:10.3762/bjnano.15.6

• . Conclusion The article presents a one-stage method for the fabrication of polymer composites based on a hydrogel in which MnCo2O4 as the catalyst (MCO) and conductive carbon black particles as conductive fillers have been embedded. In the developed synthesis method, the need to use high temperature was

• cooling bath to eliminate the high temperature generated by UV irradiation. In both cases, we protected the PNIPAAm polymer from reaching the lower critical solution temperature (LCST) by cooling. The LCST of PNIPAM in pure water is approx. 32 °C [59][60][61]. Polymerisation reactions performed at a

Measurements of dichroic bow-tie antenna arrays with integrated cold-electron bolometers using YBCO oscillators

• Leonid S. Revin,
• Dmitry A. Pimanov,
• Alexander V. Chiginev,
• Anton V. Blagodatkin,
• Viktor O. Zbrozhek,
• Andrey V. Samartsev,
• Anastasia N. Orlova,
• Dmitry V. Masterov,
• Alexey E. Parafin,
• Victoria Yu. Safonova,
• Anna V. Gordeeva,
• Andrey L. Pankratov,
• Leonid S. Kuzmin,
• Anatolie S. Sidorenko,
• Silvia Masi and
• Paolo de Bernardis

Beilstein J. Nanotechnol. 2024, 15, 26–36, doi:10.3762/bjnano.15.3

• based on high-temperature YBCO Josephson junctions [27][28][29]. Long junctions based on YBCO thin films were fabricated by the preliminary topology mask method [30][31]. Specifically, YBCO film was deposited on a 24° [001]-tilt Zr1−xYxO2 bicrystal substrate by magnetron sputtering with preliminary

TEM sample preparation of lithographically patterned permalloy nanostructures on silicon nitride membranes

• Joshua Williams,
• Michael I. Faley,
• Joseph Vimal Vas,
• Peng-Han Lu and
• Rafal E. Dunin-Borkowski

Beilstein J. Nanotechnol. 2024, 15, 1–12, doi:10.3762/bjnano.15.1

• sides of the resist. There are, however, a few limitations to consider: The spin-coated resist may be inhomogeneous (edge bead effect) on smaller substrates, reducing the region where high-quality structures may be obtained. Furthermore, one cannot deposit metals at high temperature, and one has to

In situ magnesiothermic reduction synthesis of a Ge@C composite for high-performance lithium-ion batterie anodes

• Ha Tran Huu,
• Ngoc Phi Nguyen,
• Vuong Hoang Ngo,
• Huy Hoang Luc,
• Minh Kha Le,
• Minh Thu Nguyen,
• My Loan Phung Le,
• Hye Rim Kim,
• In Young Kim,
• Sung Jin Kim,
• Van Man Tran and
• Vien Vo

Beilstein J. Nanotechnol. 2023, 14, 751–761, doi:10.3762/bjnano.14.62

• results indicate that this chemical contact is enhanced by the high-temperature treatment, which is in agreement with the improved behavior of Ge/C-SSS750 compared to Ge/C-HT180. In addition, the in situ synthesis induces an improved contact between Ge and the carbon matrix, leading to enhanced electronic

Control of morphology and crystallinity of CNTs in flame synthesis with one-dimensional reaction zone

• Muhammad Hilmi Ibrahim,
• Norikhwan Hamzah,
• Mohd Zamri Mohd Yusop,
• Ni Luh Wulan Septiani and
• Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2023, 14, 741–750, doi:10.3762/bjnano.14.61

• , such as fuel, catalyst, temperature, and diluent. However, the heterogeneous gas properties during combustion lead to a high temperature gradient and a wide distribution of chemical species within the flame. The interrelated processes of heat generation and carbon supply requires an optimum parametric

• observed, revealing the agglomeration and sintering of particles during high-temperature growth in the flame. The energy dispersive X-ray (EDX) analysis results in Table 1 indicate a high fraction of nickel. A previous study showed that nickel particles of 5 nm and above can be reactive towards CH4, which

• high-temperature region close to the flame sheet and the border between fuel and oxidizer streams of the burner. Whereas, at higher HAB, the growth region is concentrated at the flame centerline. However, despite the difference in temperature, the morphology and characteristics of the CNTs synthesized

The microstrain-accompanied structural phase transition from h-MoO₃ to α-MoO₃ investigated by in situ X-ray diffraction

• Zeqian Zhang,
• Honglong Shi,
• Boxiang Zhuang,
• Minting Luo and
• Zhenfei Hu

Beilstein J. Nanotechnol. 2023, 14, 692–700, doi:10.3762/bjnano.14.55

• temperature-induced structural evolution of h-MoO3, finely ground powders were measured using an X-ray diffractometer (Rigaku SmartLab) equipped with a high-temperature holder HTTK600, using Cu Kα radiation (λ = 1.5406 Å). The 2θ range was 5–70°, and the temperature range was 30–450 °C. The scanning rate was

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

• Liqun Duan,
• Zhiqian Yang,
• Yilu Xia,
• Xiaoqing Dai,
• Jian’an Wu and
• Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

• diversification of working conditions, new electromagnetic (EM) absorbing materials are gradually designed and fabricated to obtain thinner, lighter, wider, and stronger materials than the traditional materials such as carbonyl iron and ferrite [1][2][3][4]. SiC has the advantages of low density, high-temperature

Conjugated photothermal materials and structure design for solar steam generation

• Chia-Yang Lin and
• Tsuyoshi Michinobu

Beilstein J. Nanotechnol. 2023, 14, 454–466, doi:10.3762/bjnano.14.36

• achieved a high evaporation efficiency even at low solar intensities. Water could be continuously fed to the high-temperature section, and the evaporation rate remained constant after an initial transition period. At all light intensities, evaporation is greater with the evaporator than without the

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

• oligomers at 210 °C, elongated one-dimensional structures were formed, ranging in length from a few nanometers to several tens of nanometers. They still have CF3 groups at both ends. The CF3 groups undergo coupling reactions at high temperature only in case of sufficiently close approaches of the reactants

Plasmonic nanotechnology for photothermal applications – an evaluation

• A. R. Indhu,
• L. Keerthana and
• Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

• , homogeneity, dimer formation, and placement, make them very interesting for multiple applications such as communication, hot-carrier enhanced catalysis, high-temperature sensing [61], and electronics applications such as transistors. Their extinction coefficient is often calculated using Gans theory for

A novel approach to pulsed laser deposition of platinum catalyst on carbon particles for use in polymer electrolyte membrane fuel cells

• Bogusław Budner,
• Wojciech Tokarz,
• Sławomir Dyjak,
• Andrzej Czerwiński,
• Bartosz Bartosewicz and
• Bartłomiej Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 190–204, doi:10.3762/bjnano.14.19

• (absolute) pressure in an argon atmosphere. After thermal ignition, a mixture of magnesium and calcium formate powders (mixed with a 6:1 molar ratio) reacted vigorously in a self-propagating high-temperature regime, giving rise to MgO/CaO and carbon as the main solid-state products. After the reaction, a

• water and acetone, and dried at 80 °C to constant weight. The black carbon product was referred to as a C-11. The research assumed the synthesis and use of a carbon material with a high degree of graphitization as carbon support, which is more resistant to the high-temperature oxidation process in a

• strong exothermic redox reaction (self-propagating high-temperature synthesis, SHS) between pulverized anhydrous calcium formate and magnesium powder (all reagents purchased from Sigma-Aldrich, United States). Pulsed laser deposition of platinum on the carbon supports The platinum catalyst was deposited

Formation of nanoflowers: Au and Ni silicide cores surrounded by SiO_x branches

• Feitao Li,
• Siyao Wan,
• Dong Wang and
• Peter Schaaf

Beilstein J. Nanotechnol. 2023, 14, 133–140, doi:10.3762/bjnano.14.14

• their heterogeneous distributions in Figure 1e. Similar results of the other two samples are summarized in Supporting Information File 1, Figure S3 and Figure S4. The formation of the circular cavities can be attributed to the decomposition of the SiO2 layer at high temperature in reducing atmosphere

• SiOx NWs have been produced on a SiO2 (300 nm)/Si substrate after a rapid heat treatment. The core particle consists of segregated Ni silicide and Au. A high temperature of 1050 °C can activate the decomposition of SiO2. Together with the subsequent active oxidation of Si, it provides the volatile SiO

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

• thickness of the TMU-V particles significantly exceeded the length of the UA molecule (≈1.7 nm), indicating the formation of a multilayer shell. Conclusion The developed method of Fe(III) acetylacetonate high-temperature decomposition in the presence of a higher unsaturated carboxylic acid (OA or UA

Structural studies and selected physical investigations of LiCoO₂ obtained by combustion synthesis

• Monika Michalska,
• Paweł Ławniczak,
• Tomasz Strachowski,
• Adam Ostrowski and
• Waldemar Bednarski

Beilstein J. Nanotechnol. 2022, 13, 1473–1482, doi:10.3762/bjnano.13.121

• created by using wet techniques may be controlled with a greater precision than that of a product from a solid-state method. Combustion synthesis (CS), also known as self-propagating high-temperature synthesis (SHS), is a low-cost process for handling a wide variety of industrially relevant materials. CS

• -temperature cubic phase (LT-LCO) and a high-temperature trigonal phase (HT-LCO) [64][65]. In this case, Ni3+ (I) in the axial symmetry could be attributed to the cubic phase, and the non-axial complex Ni3+ (II) would be characteristic of the trigonal phase. If the nickel admixture is equally well incorporated

Straight roads into nowhere – obvious and not-so-obvious biological models for ferrophobic surfaces

• Wilfried Konrad,
• Christoph Neinhuis and
• Anita Roth-Nebelsick

Beilstein J. Nanotechnol. 2022, 13, 1345–1360, doi:10.3762/bjnano.13.111

• existence and stability of the gas/liquid interface and of the air pocket it encloses. Figure 5 right (b) and (c) are from [47] and were reprinted by permission from Springer Nature from the journal Journal of Bionic Engineering (“When Lotus Leaves Prevent Metal from Melting – Biomimetic Surfaces for High

• Temperature Applications” by W. Konrad; J. Adam; S. Konietzko; C. Neinhuis), Copyright 2019 Springer Nature. This content is not subject to CC BY 4.0. The two test objects before (a, c) and after (b, d) testing. (a, b) Unmodified copper plate

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

• at high and low temperatures, corresponding to the thermally activated conduction (σTA) of free holes and the nearest-neighbor hopping (NNH, σNNH) [30][31][32][33], respectively. In the high-temperature region, the thermally activated conduction can be expressed as [33]: where µ0 is a constant. Since

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

• , including the length, width, and thickness of the colloidal fibers. In addition, high-temperature calcination can increase the interaction force between particles, thus enhancing the mechanical properties of colloidal fibers. Due to the rough surface structure of colloidal fibers, we made them into surface

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• recognition modes could enable sensing even in a complex environment with harsh conditions, such as high temperature, acidity, or alkalinity [44]. Haupt and Kutner et al. embedded the β-blocker S-propranolol within a poly(trimethylolpropane trimethacrylate-co-methacrylic acid) membrane on the surface of QCM

Solar-light-driven LaFe_xNi_1−xO₃ perovskite oxides for photocatalytic Fenton-like reaction to degrade organic pollutants

• Chao-Wei Huang,
• Shu-Yu Hsu,
• Jun-Han Lin,
• Yun Jhou,
• Wei-Yu Chen,
• Kun-Yi Andrew Lin,
• Yu-Tang Lin and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 882–895, doi:10.3762/bjnano.13.79

• crystal diameters than LaNiO3, indicating LaFeO3 tended to grow crystal than LaNiO3 at a certain calcination temperature. However, high temperature might cause particle aggregation, leading to the lower surface area. Therefore, a moderate temperature of 700 °C was selected to obtain the perovskite

• (≥98.0%, TC, C22H24N2O8), were provided from Sigma-Aldrich. Commercial tungsten oxide (99.8%, WO3) was bought from Alfa Aesar. Synthesis of LaFexNi1−xO3 The LaFexNi1−xO3 catalysts were synthesized via the sol–gel method with citric acid crosslinking reaction, followed by self-propagating high-temperature

• condensation and polymerization reactions occurred between citric acid and nitrate to chelate metal ions. Subsequently, the gel was formed and transferred to a high-temperature furnace for pre-calcination by self-propagating combustion in an air environment of 300 °C. The combustion duration was 20 min to

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

• reliable transfer at a negligible contamination level, even without any post-treatment at high temperature. The supporting layer formed by spin coating presents high mechanical flexibility and strength for the transfer process and appears easy to dissolve afterward. We validated the impact of the optimized

Experimental and theoretical study of field-dependent spin splitting at ferromagnetic insulator–superconductor interfaces

• Peter Machon,
• Michael J. Wolf,
• Detlef Beckmann and
• Wolfgang Belzig

Beilstein J. Nanotechnol. 2022, 13, 682–688, doi:10.3762/bjnano.13.60

• periodic in δφ and hence the maximum spin mixing is reached at δφ = π). For small ε’ or high temperature, the phase transition is of second order. For larger ε’ and low temperature, the phase transition becomes of first order. In this case, the self-consistency relation becomes multi-valued, and a

Sodium doping in brookite TiO₂ enhances its photocatalytic activity

• Boxiang Zhuang,
• Honglong Shi,
• Honglei Zhang and
• Zeqian Zhang

Beilstein J. Nanotechnol. 2022, 13, 599–609, doi:10.3762/bjnano.13.52

• enhance the photocatalytic activity [33][34]. However, the high temperature can improve the atomic migration rate which makes the atomic arrangement more ordered. In other words, the high temperature relaxes the lattice distortion and smoothen the incomplete structure while weakening the photocatalytic