Carboxylic acids and light interact to affect nanoceria stability and dissolution in acidic aqueous environments

• Matthew L. Hancock,
• Eric A. Grulke and
• Robert A. Yokel

Beilstein J. Nanotechnol. 2023, 14, 762–780, doi:10.3762/bjnano.14.63

• interactions play a critical role in biological processes [30]. Nanoceria dissolution Nanoceria dissolution or agglomeration is pH-dependent and influenced by carboxylic acids. Nanoceria dissolution in aqueous solution was shown to be pH-dependent with dissolution occurring at pH values less than 7 [31

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

• defects and disorders of the sp2-hybridized sidewalls, while the G′ peak at 2500–2900 cm−1 represents photon–phonon interactions [27]. The absence of a low-frequency peak below 200 cm−1, usually assigned to the A1g symmetry radial breathing mode, which is the main characteristic of SWCNTs [28], indicates

Cross-sectional Kelvin probe force microscopy on III–V epitaxial multilayer stacks: challenges and perspectives

• Mattia da Lisca,
• José Alvarez,
• James P. Connolly,
• Nicolas Vaissiere,
• Karim Mekhazni,
• Jean Decobert and
• Jean-Paul Kleider

Beilstein J. Nanotechnol. 2023, 14, 725–737, doi:10.3762/bjnano.14.59

• resolution. In particular, in AM-KPFM the electrical force between the tip and the sample is directly evaluated, whereas in FM-KPFM the gradient of the force is analysed. As a result, FM-KPFM is more sensitive to local tip apex–sample surface interactions; therefore, long-range electrostatic interactions of

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

• octahedron layers in the ⟨100⟩α direction. The octahedron layers are bonded by van der Waals interactions in the ⟨010⟩α direction, crystalizing into the α-MoO3 structure. Keywords: microstrain; molybdenum oxide; phase transition; thermal expansion; Introduction Molybdenum exhibits oxidation states ranging

• MoO6 zigzag octahedra chains. The octahedra chains reconstruct into octahedron layers through corner sharing in the ⟨100⟩α direction. The octahedron layers stack in the ⟨010⟩α direction, coupled by van der Waals interactions, to form the α-MoO3 structure by shifting by a/2 between two neighbouring

• octahedron layers in the ⟨100⟩α direction, coupled by van der Waals interactions, and the octahedron layers stack in the ⟨010⟩α direction by shifting by a/2. Experimental Hydrothermal synthesis of h-MoO3 Molybdenum oxide h-MoO3 was synthesized by a traditional hydrothermal synthesis method. In a routine

Investigations on the optical forces from three mainstream optical resonances in all-dielectric nanostructure arrays

• Guangdong Wang and
• Zhanghua Han

Beilstein J. Nanotechnol. 2023, 14, 674–682, doi:10.3762/bjnano.14.53

• continuum (BIC)) which are current in focus nanophotonics research topics, all-dielectric nanostructures have proved themselves to be a good platform for light–matter interactions and an advantageous alternative to their plasmonic counterparts. A TD resonance is produced by the flow of electric currents on

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

• Akeem Adeyemi Oladipo,
• Saba Derakhshan Oskouei and
• Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

• luminescence, and a desirable adsorption capacity that can enhance MOF–target analyte interactions and transduce these interactions into measurable optical responses. A nanoscale MOF (In-sbdc) with a significant quantum yield of 13% and stable emission in water, for instance, was synthesised by Liu et al. [42

• redox reaction during the electron deactivation process. For effective quenching, a complex driven by either hydrophobic, van der Waals, or π–π-stacking interactions is generated between the electron donor and the electron acceptor with a separation on a sub-nanometre length scale. The complexation of

• nanocomposites. Because of their large surface area, ordered structure, tunable physico-chemical properties, and good absorbability, MOFs exhibit high potential among the various materials used for electrochemical sensor electrodes [63]. Strong interactions between the functional groups of MOFs and the target

Suspension feeding in Copepoda (Crustacea) – a numerical model of setae acting in concert

• Alexander E. Filippov,
• Wencke Krings and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 603–615, doi:10.3762/bjnano.14.50

• to establish contact with the particles by inertial impaction and capture and transport them to the mouth opening [14][15][16][17][18]. These interactions (i.e., making contact with and handling of or manipulating particles) were previously documented in detail through observation under a binocular

Thermal transport in kinked nanowires through simulation

• Alexander N. Robillard,
• Graham W. Gibson and
• Ralf Meyer

Beilstein J. Nanotechnol. 2023, 14, 586–602, doi:10.3762/bjnano.14.49

• °. After this point, the conductance begins to increase again. As this is not due to lattice orientation, this effect must be due to the interactions of travelling phonons with the surfaces of the wire due to the kink angle. In the PMC simulation, phonons are reflected from a surface after collision based

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

• provide locations for the deposition of Zn2+ via electrostatic interactions. Cao et al. [26] have reported the growth of ZnO particles on MWCNTs through a similar mechanism. However, in their case, the functional groups on the MWCNTs were obtained by ultrasonic treatment in concentrated nitric acid. Four

• locations for the deposition of Zn2+ by electrostatic interactions. SCZ1 exhibits the best EM absorption properties. Its values for RLmin and EAB reach −65.4 dB and 7 GHz (10.96–17.96 GHz), respectively, at a small sample thickness and 30 wt % filler load. The effective EM absorption is related to the

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

• modes have infinite quality factors (Q factors) and cannot be excited from the external radiative continuum, thereby providing efficient ways to trap light and to enhance light–matter interactions [3][4][5][6][7]. Multiple wave systems, such as water wave [8], phononic [9], acoustic [10], and photonic

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

• Dienifer F. L. Horsth Julia de O. Primo Nayara Balaba Fauze J. Anaissi Carla Bittencourt Chimie des Interactions Plasma-Surface (ChIPS), Research Institute for Materials Science and Engineering, University of Mons, 7000 Mons, Belgium Chemistry Departament, Universidade Estadual do Centro-Oeste

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

• -withdrawing (EW) groups, such as malononitrile (DCV) and 2-(3-oxo-indan-1-ylidene)malononitrile (INCN) to the DPP core enhances the stability of DPP dyes [27]. In addition, when a thienyl spacer was introduced between the DPP and EW groups, efficient intramolecular charge transfer (ICT) interactions were

• generated to yield robust PTM materials suitable for SSG applications. Since DPP-DCV and DPP-INCN exhibited stronger ICT interactions than DPP-H, they showed better photothermal properties (Figure 4a). There results highlight the significance of the chemical structure. DPP-H has solubilizing siloxane chains

• constructing electron donor–acceptor pairs. Density functional theory (DFT) simulations indicated donor–acceptor interactions between arginine and PDA subunits, including the formation of 5,6-dihydroxyindole (DHI) and indole-5,6-quinone (IQ). Dopamine and arginine were copolymerized in an aqueous solution at

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

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

• . Functional exploration through material accumulation and organization has also been widely conducted. The manipulation of precise molecular alignments and photochemical properties through multiple electrostatic interactions with two-dimensional clay mineral nanosheets has been summarized by Ishida [102]. Yue

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

• state in which the local sp2 bonding is influenced mainly by oxygen functionalization [32][33]. The position of the peak and the intensity of the spectra differ for NiFe-GO and CoNiFe-GO, indicating different electronic structures and interactions around Ni, Fe, Co, and GO. Figure 3e presents the XRD

• structure around nickel and iron was changed, which may be associated with interactions between NiFe or CoNiFe and GO (carbon domains). Something similar was observed in the case of the addition of N-doped nanocarbon to NiFe [16]. To summarize, the disturbed morphology and the change in the electronic

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

Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities

• Akif Hakan Kurt,
• Elif Berna Olutas,
• Fatma Avcioglu,
• Hamza Karakuş,
• Mehmet Ali Sungur,
• Cansu Kara Oztabag and
• Muhammet Yıldırım

Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31

• at the higher energy side of the SPR peak of the Ch/CA-Ag NPs while its absorption tail overlaps with that of the SPR peak. These partial matches in the absorption features might be due to the molecular interactions between caffeic acid and chitosan/silver nanostructures [63]. FTIR spectroscopy

• bonding interactions between amino groups of chitosan and phenol groups of quercetin and caffeic acid [63][66]. Moreover, it was observed that the position and shape of some peaks, such as 1671 and 1514 cm−1 for quercetin, 1421 and 1379 cm−1 for chitosan, and 1640 and 1447 cm−1 for caffeic acid, also

The steep road to nonviral nanomedicines: Frequent challenges and culprits in designing nanoparticles for gene therapy

• Yao Yao,
• Yeongun Ko,
• Grant Grasman,
• Jeffery E. Raymond and
• Joerg Lahann

Beilstein J. Nanotechnol. 2023, 14, 351–361, doi:10.3762/bjnano.14.30

• materials have had an impact include their use as vaccines, cancer therapies, and in the treatment of rare genetic disorders [1][2][3]. Still, there are several impediments to characterizing, understanding, and controlling the interactions between NPs and biological substrates [4][5][6]. Standardization of

• ]. MIRIBEL champions four guiding principles, namely reusability, quantification, practicality, and quality. In nanomedicine, these challenges are further compounded by the fact that the study of NP interactions with biological systems is a multidisciplinary field that ranges from understanding fundamental

• biological interactions [12] to engineering nanomaterials for specific applications [13][14]. One particular topic of recent interest is NP-mediated nonviral gene delivery, which is the focal point of this perspective. Emerging NP-mediated nonviral gene delivery systems have gathered significant attention

Overview of mechanism and consequences of endothelial leakiness caused by metal and polymeric nanoparticles

• Magdalena Lasak and
• Karol Ciepluch

Beilstein J. Nanotechnol. 2023, 14, 329–338, doi:10.3762/bjnano.14.28

• on the physiology of the organ. The continuous endothelium is characterized by the lowest permeability. Most organs possess a continuous endothelium, which allows for diffusion of water and small molecules. Transporters, pumps, transcytosis, and ligand–receptor interactions are used to transport

• mechanism of interactions between endothelium and NPs and the resulting consequences are crucial aspects for the development of effective therapeutic strategies. There are two main routes to transport NPs across the endothelium, namely the transcellular route and the paracellular route (Figure 2). In the

• repulsive-sediment interactions with a negatively charged glycocalyx [12]. Using 24 nm Au NPs with different surface charges, Wang et al. supported their hypothesis in in vitro and in silico studies [12]. Also, the concentration of NPs is an important factor regarding controlled leakiness. Au NPs of the

Quasi-guided modes resulting from the band folding effect in a photonic crystal slab for enhanced interactions of matters with free-space radiations

• Kaili Sun,
• Yangjian Cai,
• Uriel Levy and
• Zhanghua Han

Beilstein J. Nanotechnol. 2023, 14, 322–328, doi:10.3762/bjnano.14.27

• superior properties will provide a new platform for efficient light–matter interactions. Keywords: guided modes; light–matter interactions; photonic crystal slab; Introduction Photonic resonances with the possibility of free-space excitation (i.e., leaky modes) and large local electromagnetic field

• enhancement are central for the manipulation of light–matter interactions. Optical resonators of various forms have been exploited for this purpose. What follows are a few representative examples investigated in the last several decades: Photonic crystal cavities are realized when small disorders or defects

• have been demonstrated in all aspects of light–matter interactions, ranging from optical generation [6], propagation [7], nonlinear processes [8] to signal detection [9] and collection, to name a few. Although QBIC resonances in all-dielectric nanostructures have become a popular and mainstream

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

• challenge is the difficulty in manipulating nanoparticles due to size-related constraints. The self-assembly of nanoparticles is mainly governed through intermolecular interactions [9]. The high nanoparticle/volume fractions required for large-scale applications may result in electrostatic repulsion or

• molecular crowding-like effects, preventing efficient assembly of the particles. Therefore, tailoring intermolecular interactions between nanoparticles by modifying the particle surfaces or through external influences such as temperature, pH value, templates, and magnetic or flow fields, is important to

• [17][18]. Because of their interactions with solid surfaces, these peptides have been shown to be able to functionalize nanostructures, catalyze the formation of nanostructures, and modify the nucleation, growth and self-assembly processes [19][20][21][22][23][24]. For this study, we have selected a

Recent progress in cancer cell membrane-based nanoparticles for biomedical applications

• Qixiong Lin,
• Yueyou Peng,
• Yanyan Wen,
• Xiaoqiong Li,
• Donglian Du,
• Weibin Dai,
• Wei Tian and
• Yanfeng Meng

Beilstein J. Nanotechnol. 2023, 14, 262–279, doi:10.3762/bjnano.14.24

• immunosuppressive function. The many functions of cancer cell membranes result from multiple complex protein interactions, which are more powerful than traditional single-component modifications. Various emerging approaches and improvements to conventional treatment methods have been explored and applied to

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

• Filip Gorachinov,
• Fatima Mraiche,
• Diala Alhaj Moustafa,
• Ola Hishari,
• Yomna Ismail,
• Jensa Joseph,
• Maja Simonoska Crcarevska,
• Marija Glavas Dodov,
• Nikola Geskovski and
• Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

• evidence shows that efficient tumor localization and intracellular delivery may still be very challenging. However, an improved understanding of the mechanisms involved in angiogenesis, tumor–stroma interactions, molecular heterogeneity between cancers, genetic and epigenetic alterations, and cancer marker

• survivin-small hairpin RNA (survivin-shRNA), which was trapped by electrostatic interactions in the cavity between several assembled nanoparticles (AP/ES+CQ NPs; AP = amine-terminated PAMAM dendrimers modified with anti-EGFR aptamer; ES = erlotinib and survivin-shRNA; Figure 2, Figure 3). The nanocomplexes

• targeting. Once in the lung microcirculation, the RBC-bound NPs are mechanically detached from the RBCs when the RBCs are squeezed through the tiny capillaries of the air–blood barrier and transferred to the endothelium by nonspecific interactions. When decorated with vascular endothelium-specific ligands

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

• Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

• nanoassemblies (green balls) were constructed through inclusion complex formation between trans-azobenzene and α-CyD (the second row from the top). These α-CyD-based nanoassemblies bind siRNA through electrostatic interactions with the positively charged N-methylimidazolium ions to form ternary supramolecular

• with adamantane and bound to these nanoparticles through non-covalent host–guest interactions between β-CyD and adamantane. When the composite entered human cells, the RNA/DNA hybrid was digested by ribonuclease H (an intracellular ribonuclease that hydrolyzes the RNA in the RNA/DNA heteroduplex) to

• enhances the hydrophobic interactions of the poly(N-isopropylacrylamide) segments, stabilizing the hydrogel. The anticancer drug DOX encapsulated in the hydrophobic core is slowly released through the dissolution of the hydrogel to micelles. By modifying β-CyD with both N-acetyl-ʟ-cysteine and arginine

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

• . A 300 nm oxide layer was thermally grown to prevent interactions between Si and the subsequently deposited layer materials, and after that, the wafer was cut into small squares of approximately 1 cm × 1 cm. After cleaning in acetone, isopropanol, and deionized water and drying with nitrogen gas, the

Intermodal coupling spectroscopy of mechanical modes in microcantilevers

• Ioan Ignat,
• Bernhard Schuster,
• Jonas Hafner,
• MinHee Kwon,
• Daniel Platz and
• Ulrich Schmid

Beilstein J. Nanotechnol. 2023, 14, 123–132, doi:10.3762/bjnano.14.13

• of nanotechnology. Fundamental research in atomic interactions, molecular reactions, and biological cell behaviour are key focal points, demanding a continuous increase in resolution and sensitivity. While renowned fields such as optomechanics have marched towards outstanding signal-to-noise ratios

• or not in these purely mechanical interactions and provide a spectroscopy map of intermodal coupling. The coupling presented so far, using a red sideband signal, has two ways for manifesting itself, namely sideband cooling, where the mode of interest has its quality factor reduced alongside its

• symmetry than not. This does not exclude the possibility that some mode combinations do exhibit asymmetric coupling mechanisms. Beyond the assumed interaction Hamiltonian, terms of different orders might apply. During our investigation, nonlinear interactions were observed and presented in Figure 5 as the