Nanomaterials for photocatalysis and applications in environmental remediation and renewable energy

• Viet Van Pham and
• Wee-Jun Ong

Beilstein J. Nanotechnol. 2023, 14, 722–724, doi:10.3762/bjnano.14.58

• fuels generates harmful emissions to the environment, such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), nitric oxide and nitrogen dioxide (together termed NOx), and fluorinated gases (e.g., hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride) which are currently considered

A graphene quantum dots–glassy carbon electrode-based electrochemical sensor for monitoring malathion

• Sanju Tanwar,
• Aditi Sharma and
• Dhirendra Mathur

Beilstein J. Nanotechnol. 2023, 14, 701–710, doi:10.3762/bjnano.14.56

• organophosphates are widely used due to their availability as efficient, low-cost pesticides. It is important to recognize, however, that excessive pesticide use poses a negative impact on the environment and human health because of biomagnification and persistence [3]. One example of an organophosphate

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

• bonding environment of h-MoO3 with temperature. (a,b) Lengths of the Mo–Mo bonds marked (1) and (2) in the inset. (c) Diameter of the octahedra tunnel as a function of the temperature. (d–f) Lengths of the Mo–O bonds within the octahedra corresponding to the given structures. Phase transition from h-MoO3

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

• antibiotics and hormones in the environment and food samples are concerning and pose a threat. Opto-electrochemical sensors have received attention due to their low cost, portability, sensitivity, analytical performance, and ease of deployment in the field as compared to conventional expensive technologies

• nanograms and micrograms per litre. Antibiotic abuse and overuse also have serious consequences for the environment and human health. The rise of zombie-like antibiotic-resistant bacteria, which have been linked to severe allergic reactions in people, has been caused in part by the considerable fraction of

• microbes that have been resistant to a few particular antibiotics [4][5][6][7]. Additionally, excessive antibiotic residues in the environment might constitute a major concern by producing conditions including gonorrhoea, tuberculosis, and pneumonia, which complicate their treatment [7][8]. Furthermore

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

• physical processes of the environment. The model estimates the particle collecting efficiency depending on mechanical property gradients and adhesion of the different setae. Following this protocol, the model can be easily extended through adjustment of the parameters to fit a specific suspension feeding

Transferability of interatomic potentials for silicene

• Marcin Maździarz

Beilstein J. Nanotechnol. 2023, 14, 574–585, doi:10.3762/bjnano.14.48

• embedded-atom method (MEAM) potential for Si fitted to silicon interstitials SW1985 [38]: the Stillinger–Weber (SW) potential fitted to solid and liquid forms of Si SW2014 [39]: the Stillinger–Weber (SW) potential fitted to phonon dispersion curves of a single-layer Si sheet EDIP [40]: the environment

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

• Celia Martín-Morales,
• Jorge Fernández-Méndez,
• Pilar Aranda and
• Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

• biological functions that can be effectively manipulated through the inorganic components, with potential impact on leading applications within the fields of chemical synthesis and catalysis, energy, environment, and biomedicine. Examples of bionanohybrids include the bottom-up fabrication of

• as stiffness and abrasion resistance to help the growth of the entrapped cells. In addition, control of the porosity of the involved inorganic materials is key to control efficiently the exchange of metabolites and nutrients with the surrounding environment. In this context, the present contribution

• leads to a more biocompatible local environment for individual cells, while providing a more homogeneous and better encapsulation system. Additionally, in Figure 2E a detail of an isolated yolk–shell structure and an agglomeration of several cyanobacteria encapsulated in yolk–shell microstructures are

Specific absorption rate of randomly oriented magnetic nanoparticles in a static magnetic field

• Ruslan A. Rytov and
• Nikolai A. Usov

Beilstein J. Nanotechnol. 2023, 14, 485–493, doi:10.3762/bjnano.14.39

• easy to control the distribution of magnetic nanoparticles in a biological environment, nor is it to monitor the temperature distribution in the heated area [1][2][8]. It is assumed [6][8][9][10][11][12] that some of these problems can be overcome by combining MPI and MH techniques. The MPI-MH

• environment, except for a certain area near the field-free point (FFP). This will allow one to localize the heat release in the tumor area with millimeter accuracy. The search for optimal assemblies for joint MH-MPI therapy is an urgent task in this research area. Experimental measurements of dynamic

• presence of both magnetic and mechanical degrees of freedom of the particles [17][22][23]. Meanwhile, in a biological environment, the rotation of magnetic nanoparticles as a whole under the action of ac magnetic field is strongly hindered [24], so that the spatial orientation of nanoparticles in

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

• . Keywords: circular economy; colorimetry; sustainability; Introduction The growing interest in industrial products that do not harm the environment triggered the development of diverse strategies to optimize recycling and green syntheses of materials. It is possible to combine economic and environmental

• 240 h of direct exposure to acid and alkaline environments (Table 5). In general, it was observed that the total color variation (ΔE) increased after 240 h of exposure in both environments. After 240 h in an acid environment, the commercial white paint showed a ΔE of 1.33, which is considered a clear

• without added pigments exhibits a more significant color variation (ΔE) in an acid environment. A work under similar conditions of harsh environments with cobalt and nickel aluminates obtained by the same synthetic route used in this article yielded similar results of color stability [14], with

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

• . Current technologies for dealing with the water shortage problem either exacerbate energy problems or sacrifice the environment. Solar-driven steam generation technology, in contrast, is a solar-powered technology that meets the global trend for clean, sustainable, and green technology. To obtain a high

• of the steam generation from heat. The generated thermal energy must be used for water evaporation and heat loss to the environment needs to be avoided. Sunlight absorption The wavelength range and intensity of the solar spectrum are important factors for harnessing solar energy. As this review

• evaporation efficiency To achieve the maximum vaporization efficiency, the heat generated by the solar absorber must be fully utilized to vaporize water. However, under actual conditions, the bulk heating of water consumes heat and causes losses to the environment through conduction, convection, and radiation

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

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

• ][78], energy [79][80][81], environment [82][83][84][85], and medicine [86][87][88][89]. Since all the materials are composed of atoms and molecules, nanoarchitectonics is considered a universal unified concept that can be applied to all targets. Therefore, it can be considered as the method for

• layer-by-layer (LbL) assembly [132][133][134]. These conventional methodologies are now being used to create materials that can address social issues such as energy requirements [135][136], the environment [137][138], and medicine [139][140]. Many analytical studies have shown that high effectiveness

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 fabricated GO-NiFe reveals excellent catalytic performance towards the OER, that is, higher than a state-of-the-art NiFe catalyst measured in alkaline environment. Results Electrosynthesis and morphology of the deposits The catalysts under investigation were synthesized by electrodeposition onto

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

• predominantly scattered the light for radii between 200 and 1200 nm. A detailed investigation on Au, Ag, Cu, and Al with regard to solar heating has been done wherein the effects of changing size and morphology of the nanoparticles and the dielectric environment were studied. An intuitive but important factor

New trends in nanobiotechnology

• Pau-Loke Show,
• Kit Wayne Chew,
• Wee-Jun Ong,
• Sunita Varjani and
• Joon Ching Juan

Beilstein J. Nanotechnol. 2023, 14, 377–379, doi:10.3762/bjnano.14.32

• ), Institute of Postgraduate Studies, University Malaya, 50603, Kuala Lumpur, Malaysia Zhejiang Provincial Key Laboratory for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou, 325035, China Department of Sustainable Engineering, Saveetha School of

• , Selangor, 43900, Malaysia School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, 999077, Hong Kong 10.3762/bjnano.14.32 Keywords: biocompatible nanoparticles; cancer cells; carrageenan; cytotoxic selectivity; green synthesis methods; nanobiotechnology; SARS-CoV-2; self

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

• basic environment, caffeic acid is oxidized, while the FC reagent is reduced, giving the solution a blue color (λ ≈ 760 nm), that is, a colorimetric reaction [67][69][71][72]. This reaction can also be monitored by a UV–vis spectrophotometer, and the observed broad absorption band varies depending on

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

• cells, the inner lining of blood vessels controls the two-way transport of molecules and ions circulating in the blood and protects the inner tissue environment from harmful and dangerous substances [1][2][3][4]. The endothelium secretes vasodilation factors (e.g., nitric oxide and prostacyclin) and

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

• are introduced into large-scale periodic structures [1]. Extremely high Q-factors can be achieved thanks to the bandgap associated with the periodic structure, which prevents the leakage of radiation into the surrounding environment. Whispering gallery modes supported by dielectric spheres or

• splitters [11], metasurfaces that produce narrow-band spatially tailored wave fronts [12], and zigzag arrays of dielectric disks with ultranarrow bandwidth resonances over a large spectral band [13]. Some new attempts to engineer the radiation environment to achieve so-called lines of BICs have emerged

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

• environment worldwide, in addition to the global energy crisis, is the increasing water pollution caused by micropollutants such as antibiotics and persistent organic dyes. Nanostructured semiconductors in advanced oxidation processes using photocatalysis have recently attracted a lot of interest as a

• promising green and sustainable wastewater treatment method for a cleaner environment. Due to their narrow bandgaps, distinctive layered structures, plasmonic, piezoelectric and ferroelectric properties, and desirable physicochemical features, bismuth-based nanostructure photocatalysts have emerged as one

• geopolitical factors. Nevertheless, there is a growing need for the efficient removal of environmental pollutants and the proper treatment of industrial wastes to allowable discharge limits, which are crucial for preserving human life and protecting the environment. Numerous techniques have been employed to

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

• environment (TME) because of immune evasion and cancer targeting abilities [15]. Moreover, biomimetic nanoparticles provide significant advantages regarding biocompatibility, low cytotoxicity, and structural support [16]. With the rapid development of biomimetic nanotechnology different types of derived

• targeting disease-related CD4 T cells. The NPs exhibited efficient suppression of the inflammatory environment and promoted homeostasis of the immune system, which shows promise for clinical translation. 4 Combining current therapeutics with cancer cell membrane-encapsulated NPs With the ongoing exploration

• in the animal experiment stage. The construction of preclinical models that closely mimic the human environment is helpful for the development of clinical diagnosis and treatment. Furthermore, the technology for preparing biomimetic cancer cell membrane-coated nanoagents is not yet mature, and

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

• -(dimethylamino)ethyl methacrylate)-b-poly(ε-caprolactone)-b-poly(2-(dimethylamino)ethyl methacrylate (PDMAEMA20(TPP+)-b-PCL70-b-PDMAEMA20(TPP+)) block copolymers. PEO-PCL blocks were linked using acetal groups to enable the cleavage of the PEO blocks from the NP surface in the acidic environment of a tumor and

• the lysosomes, exposing the PDMAEMA layer decorated with triphenylphosphonium (TPP) ligand to the environment. The TPP lipophilic cation is characterized by a large hydrophobic surface area, which facilitates its permeation throughout phospholipid bilayers, lysosomal escape due to the proton sponge

• erlotinib, coated with a phospholipid layer, with anchors composed of hyaluronic acid–adipic acid hydralazide–poly(ethylene glycol) (HA-ADH-PEG). Hyaluronic acid-decorated lipid polymer hybrid nanoparticles (LPH NPs) specifically target overexpressed CD44 at the NSCLC cells. In the acidic tumor environment

Concentration-dependent photothermal conversion efficiency of gold nanoparticles under near-infrared laser and broadband irradiation

• Vikas,
• Raj Kumar and
• Sanjeev Soni

Beilstein J. Nanotechnol. 2023, 14, 205–217, doi:10.3762/bjnano.14.20

• dissipated to the surrounding medium is defined as: where S is the surface area of the cuvette exposed to the surrounding environment, h is the heat transfer coefficient, Tmax is the maximum temperature attained on irradiating the suspension for time t, and T0 is temperature of the surrounding environment

High–low Kelvin probe force spectroscopy for measuring the interface state density

• Ryo Izumi,
• Masato Miyazaki,
• Yan Jun Li and
• Yasuhiro Sugawara

Beilstein J. Nanotechnol. 2023, 14, 175–189, doi:10.3762/bjnano.14.18

• Δf as a function of the DC bias voltage Vdc while keeping the distance between the tip and the sample constant. These experiments were performed in a vacuum environment using a JEOL scanning probe microscope (JEOL: JSPM-4210). A silicon substrate patterned with n- and p-type impurities was used as a

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

• substrate at higher temperatures in oxygen-deficient environment [3][4]. Another cost-effective nanofabrication method, thin film dewetting, driven by the reduction of the surface energy and the interface energy has also been profusely studied because it provides a straightforward and fast way to produce

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

• electric field. This method provides access to the modulation of the electric field induced by varying Joule heating. Second, the spatially resolved thermal distribution of the active plasmonic element and the surrounding environment was measured through the use of SJEM. This information is required to

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

• impact of the M63G environment on microorganism susceptibility is plausible, it is not currently possible to confirm that the culture medium played a significant role in the observed difference of inhibition kinetics. Plate diffusion assay Functionalized and uncoated textiles were placed on a microbial

• whole surface contributes in liquid tests. In other words, regarding the surrounding medium, the functionalized textile can protect its surface and immediate vicinity without unwished release in the environment, or provide a protective inhibitory effect in the whole liquid surrounding. The antimicrobial