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

• and luminescent MOF sensors for detection and monitoring of antibiotics and hormones from various samples are critically reviewed. The detailed sensing mechanisms and detection limits of MOF sensors are addressed. The challenges, recent advances, and future directions for the development of stable

• framework (MOF) opto-electrochemical nanosensors for the detection of hormones and antibiotics is still missing, though. This review focuses on a variety of sensing applications that use MOFs as well as the synergistic mechanisms of MOF hybrids or composites that improve sensing performance. It provides a

• reviews and discussions were conducted on the mechanisms and performance of opto-electrochemical platforms using MOFs and their hybrids as opto-electrochemical sensors for the efficient detection of hormones and antibiotics in various matrices. Finally, challenges and future perspectives are presented

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

• -Luther-King-Platz 3, 20146 Hamburg, Germany Department of Cariology, Endodontology and Periodontology, Universität Leipzig, Liebigstraße 12, 04103 Leipzig, Germany 10.3762/bjnano.14.50 Abstract Suspension feeding via setae collecting particles is common within Crustacea. Even though the mechanisms

• field of filtration technologies. Keywords: adhesion; confocal laser scanning microscopy (CLSM); feeding efficiency; feeding structures; mechanical properties; Introduction Particle capture mechanisms are common in a huge variety of aquatic animals, such as polychaetes, bryozoans, bivalves, sponges

• , echinoderms, cnidarians, or crustaceans [1][2][3][4][5][6][7]. Even though living conditions and bauplans differ between suspension feeders, there are two main mechanisms for particle collection from the water body (for in-depth reviews on suspension feeding, see [8][9][10][11]). The first one can be

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

• , indicating that the conductivity loss through the carbon shell plays a dominant role in the EM dissipation. Based on the above analysis, it is considered that multiple loss mechanisms may contribute to the improvement of EM absorption for the as-prepared SiC@C-ZnO hybrids (Figure 7). First, the hybrid

• at 12.1 GHz. They attributed the good performance to the synergy of several mechanisms, including multiple reflection and scattering losses generated by the porous structure and dielectric losses (such as interfacial polarization between ZnO and carbon or between Co and carbon, as well as between

• range of 2–18 GHz with a filler load of 30 wt %. Plots of ε″ as a function of ε′ for all SCZ samples with different filler loads. Microwave absorption mechanisms for the SCZ samples. (a) Capacitor-like structures in SiC@C-ZnO; (b) conductive loss in SiC@C-ZnO; (c) polarization loss in SiC@C-ZnO

The origin of black and white coloration of the Asian tiger mosquito Aedes albopictus (Diptera: Culicidae)

• Manuela Rebora,
• Gianandrea Salerno,
• Silvana Piersanti,
• Alexander Kovalev and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 496–508, doi:10.3762/bjnano.14.41

• the use of visual cues can improve the attractiveness of sound-baited traps [27][28]. The mechanisms underlying swarm formation and long-range detection of females by males remain largely unexplored in mosquitoes of the genus Aedes, but an investigation [29] demonstrated that swarm formation and mate

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

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

• ][35], efficient molecular identification [36][37][38], and device switching mechanisms based on nanoscale phenomena [39][40][41] have been revealed. The contribution of nanotechnology is not limited to the elucidation of such physical properties of materials. Nanotechnology has also contributed

• imaging at the atomic and molecular level has revealed the self-assembly mechanisms of crystal nuclei in organic crystals and metal-organic frameworks [42]. It has become possible to obtain statistical information on the size and structure of individual prenucleation clusters that cannot be examined by

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

• conductivity, tunability of materials for realizing broadband energy absorption, appearance of new mechanisms of photon absorption, and improved prospects of preserving material properties [4][5][6]. Nanoparticle heating can result also due to the conversion of optical absorption by plasmons into heat. This

• critical for predicting and understanding PT performance, for which a discussion on the same is presented next. 2.3 Relaxation mechanisms of plasmons – the conversion of photons to heat When photons strike a plasmonic nanoparticle, plasmon excitations result in changes to the electron cloud thermal

• mechanisms of plasmon relaxation (through non-radiative scattering) result in the eventual coupling of the scattered plasmons to phonons, their understanding is critical for designing materials for such applications. Simplistically, phonons are quantized particles or waves with a unit of vibrational energy

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

• distributions can provide critical insights into the mechanisms of uptake and transfection. Alternatively, imaging flow cytometry combines the high-throughput nature of flow cytometry with a high degree of spatial resolution and has been recently developed and employed in nonviral gene delivery research [21

• one formulation or the failure of another [15][17][27][28]. Within this context, an essential question is: “how are NPs internalized by cells?” [29]. Several mechanisms of endocytosis have been identified as listed in Table 2 [1]. Conventionally, the significance of an endocytosis pathway for a

• , upon limiting the function of a certain endocytosis pathway, especially through the use of pharmacological inhibitors, cells can respond to the blockage by overactivating alternative mechanisms that would normally be less relevant [31]. This makes the interpretation of each pathway’s significance more

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

• activation of mechanisms controlling the phosphorylation of proteins of intercellular junctions, which in turn opens the cell–cell junctions and creates gaps between the cells [13][17]. The use of appropriate vascular permeability stimulants can therefore be an effective solution in the treatment of diseases

• nanotechnology and the use of nanoparticles as drugs, researchers have faced new problems, such as nanotoxicity and pathological consequences of their use. Therefore, knowledge about mechanisms and consequences of endothelial leakiness (NanoEL) caused by nanoparticles is crucial to develop effective and safe

• halted cellular activity using perfusion with a fixative, which allowed researchers to separate the passive and active transport mechanisms [31]. Nevertheless, research currently confirms the existence of a completely different active transport mechanism of NPs across the endothelium that is unrelated to

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

• optical applications where multiple or spectrally tunable inputs are required simultaneously. Consequently, new mechanisms are still explored to realize novel photonic components with additional advantages besides a high Q-factor. These are, for example, phase gradient metasurfaces and spatial beam

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

• Akeem Adeyemi Oladipo and
• Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

• mechanisms is included, along with potential antibiotic and dye degradation pathways in wastewater. Finally, areas that require additional study and attention regarding the usage of photocatalysts based on bismuth for removing pharmaceuticals and textile dyes from wastewater, particularly for real-world

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

• development of cells and plays an important regulatory role in the progression of cancer [104][105]. Iron-dependent ferroptosis is a new type of programmed cell death that is different from other modes of action and molecular mechanisms. It is characterized by mitochondrial lipid peroxidation and reduced

• technology, many challenges still need to be addressed for further application in medical diagnosis and therapy. Biomimetic nanotechnology using cancer cell membranes is still in its infancy. The mechanisms of the intricate functions of numerous types of proteins on the surface of cancer cell membranes need

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

• been documented even for the third generation of TKIs (target-dependent and target-independent molecular mechanisms of resistance to TKIs are presented in Table 1). Target-independent acquired resistance driven by cMET amplification after EGFR TKI treatment may be treated with crizotinib, a dual

• clinical therapy. In addition, some novel therapeutic approaches against resistant tumors have failed due to the heterogeneity of the progression of genetic alteration and the resulting complexity of resistance mechanisms [23]. Enormous efforts have been made in finding a way forward from this standstill

• , and evidence has been derived that no single drug can treat the broad spectrum of molecular alterations in NSCLC. Considering the fact that multiple mechanisms are involved in the reactivation of the EGFR signaling pathway, targeting multiple constituents within the EGFR cascade or targeting parallel

Spin dynamics in superconductor/ferromagnetic insulator hybrid structures with precessing magnetization

• Yaroslav V. Turkin and
• Nataliya Pugach

Beilstein J. Nanotechnol. 2023, 14, 233–239, doi:10.3762/bjnano.14.22

• spin relaxation processes, but we do not take into account any spin relaxation mechanisms within our model for a superconductor. We should mention that both spin pumping mechanisms in superconductors and normal metals are determined by the penetration of nonequillibrium spin density from the interface

• suppression of the superconducting order parameter. The competition between two different spin pumping mechanisms can explain this interesting behavior. The first mechanism is the adiabatic spin pumping of the superconducting condensate, and the second one is the spin pumping of the thermally generated

• quasiparticles, for example, unpaired electrons and holes. The competition of these two spin pumping mechanisms gives rise to the nonmonotonous frequency dependence of the induced magnetization, which is the sum of the quasiparticle spin density and the triplet correlations component. The interplay between

Structural, optical, and bioimaging characterization of carbon quantum dots solvothermally synthesized from o-phenylenediamine

• Zoran M. Marković,
• Milica D. Budimir,
• Martin Danko,
• Dušan D. Milivojević,
• Pavel Kubat,
• Danica Z. Zmejkoski,
• Vladimir B. Pavlović,
• Marija M. Mojsin,
• Milena J. Stevanović and
• Biljana M. Todorović Marković

Beilstein J. Nanotechnol. 2023, 14, 165–174, doi:10.3762/bjnano.14.17

• surface states, precursors, preparation methods, and heteroatom doping [9]. Previous investigations showed that possible mechanisms of the CQD photoluminescence are radiative recombination of electron–hole pairs in the sp2 domains inside the sp3 matrix as well as the effect of zig-zag edges [6][18]. Apart

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

• nm. XRD patterns of the dewetted systems after annealing at 1050 °C. The standard data of Au (PDF 03-065-2870) and Ni (PDF 03-065-0380) are listed. Formation mechanisms at elevated temperatures. (a) As-deposited bilayers and Au/Ni diffusion along nanochannels (dashed lines) in the SiO2 layer. All

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

• 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

Characterisation of a micrometer-scale active plasmonic element by means of complementary computational and experimental methods

• Ciarán Barron,
• Giulia Di Fazio,
• Samuel Kenny,
• Silas O’Toole,
• Robin O’Reilly and
• Dominic Zerulla

Beilstein J. Nanotechnol. 2023, 14, 110–122, doi:10.3762/bjnano.14.12

• a LIA. This also provides great insight into nanomechanical thermal interactions. Knowledge of both physical parameters, the optical response, and heating allows cross-verification and understanding of the underlying mechanisms causing changes in the active plasmonic element. The FEM simulation

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

• . coli has also been observed by Akinsiku et al. [56], who determined that the sensitivity to silver varies by a factor of 5 between clinical isolates of E. coli and C. albicans. The mechanisms leading to this difference do not seem to have been elucidated so far. However, some hypotheses can be put

Upper critical magnetic field in NbRe and NbReN micrometric strips

• Zahra Makhdoumi Kakhaki,
• Antonio Leo,
• Federico Chianese,
• Loredana Parlato,
• Giovanni Piero Pepe,
• Angela Nigro,
• Carla Cirillo and
• Carmine Attanasio

Beilstein J. Nanotechnol. 2023, 14, 45–51, doi:10.3762/bjnano.14.5

• the robustness of the superconductivity in a specific material. For a standard BCS s-wave type-II superconductor, Werthamer, Helfand, and Hohenberg (WHH) have calculated the temperature dependence of the critical field [19]. In this model, two mechanisms are responsible for the breaking of the

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

• Alexander Vakhrushev,
• Aleksey Fedotov,
• Olesya Severyukhina and
• Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

• the need to use a comprehensive approach in theoretical studies, since the behavior of different phases is often described by different models or state equations [4]. Another reason is that phase transformation mechanisms originate at the nanoscale and atomic levels [5][6], where observation and

• studies of magnetic properties and nanofilm deposition mechanisms, the substrate temperature was maintained using a Nose–Hoover thermostat. Thus, at the initial stage of studying magnetic characteristics, the spin behavior of only cobalt atoms was analyzed for two calculation variants. In the first case

Atmospheric water harvesting using functionalized carbon nanocones

• Fernanda R. Leivas and
• Marcia C. Barbosa

Beilstein J. Nanotechnol. 2023, 14, 1–10, doi:10.3762/bjnano.14.1

• different processes to develop AWH such as condensing and collecting moisture, cooling ambient air below its dew point [10][11], and using chemical and physical processes involving absorption and adsorption [9][12][13]. Many of these mechanisms are inspired by structures found in nature (biomimetic designs

Observation of collective excitation of surface plasmon resonances in large Josephson junction arrays

• Roger Cattaneo,
• Mikhail A. Galin and
• Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2022, 13, 1578–1588, doi:10.3762/bjnano.13.132

• ][15]. However, the ability to individually switch JJs in very large arrays allows us to observe those effects with an unprecedented clarity. This facilitates unambiguous interpretation of synchronization and emission mechanisms from such arrays, in which JJs are indirectly coupled via a common

• resonator. Combining our results with earlier observations, we can make the following conclusions on the mechanisms of formation of collective resonant steps, emission, and synchronization in large JJ arrays: (I) The mechanism for the formation of resonant steps in the I–V is similar to that behind Shapiro

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

• Mitzi J. Ramírez-Hernández,
• Mario Valera-Zaragoza,
• Omar Viñas-Bravo,
• Ariana A. Huerta-Heredia,
• Miguel A. Peña-Rico,
• Erick A. Juarez-Arellano,
• David Paniagua-Vega,
• Eduardo Ramírez-Vargas and
• Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

• compounds act as reducing agents, as well as to changes in the shape, size, and size distribution of the resulting Ag nanoparticles. Cytotoxic behavior It has been reported that several cytotoxic mechanisms of AgNPs can cause DNA, mitochondrial, and cell membrane damage as well as apoptosis [44]. Here, the

• metalloproteinases (MMPs), the activity of which is favored by reactive species, and they have been shown to be directly involved in death mechanisms such as apoptosis, causing damage at the cell membrane level. In contrast, in monocytes, which are also high in MMPs, their activation mechanism is largely dependent

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

• Yuran Wang,
• Xudong Li,
• Haijun Chen and
• Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

• the complex pathogenic mechanisms of cancer, synergistic PTT with two or more PTAs that suppress tumor cells via different pathways is an appealing strategy to treat cancer. Yu et al. coated prussian blue (PB) on NaNdF4 nanoparticles to fabricate core–shell nanocomplexes with improved photothermal

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

• Vishal Dutta,
• Ankush Chauhan,
• Ritesh Verma,
• C. Gopalkrishnan and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

• environmental restoration and energy conversion is photocatalysis powered by solar light. Traditional photocatalysts have limited practical uses due to inadequate light absorption, charge separation, and unknown reaction mechanisms. Discovering new visible-light photocatalysts and investigating their

• sample synthesized at pH 4 demonstrated outstanding visible-light photocatalytic performance regarding the degradation of RhB. This was due to the low thickness, exposed (001) facets, and an appropriate number of oxygen vacancies. This work proposed that revolutionary photoexcitation mechanisms were

• oxidation and breakdown of the pollutant during the photocatalytic reaction. One of the most popular ways to create an effective heterojunction structure is by combining two semiconductors with matching band alignment. When it comes to understanding the mechanisms behind the enhanced photocatalytic