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

Combining physical vapor deposition structuration with dealloying for the creation of a highly efficient SERS platform

• Adrien Chauvin,
• Walter Puglisi,
• Damien Thiry,
• Cristina Satriano,
• Rony Snyders and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2023, 14, 83–94, doi:10.3762/bjnano.14.10

• on a metal surface induces hydrophobicity which can also affect the bonding with RhB molecules [30]. The carbon observed on the surface of the different samples is the result of the contamination of the substrate during wet etching and by the environment during storage [46]. Overall, the good

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

• Chang-Ming Wang,
• Hong-Sheng Chan,
• Chia-Li Liao,
• Che-Wei Chang and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

• environment without additional compression force. The collapse of stamps occurs spontaneously and is dependent on the properties of the PDMS stamp. Thereafter, the contact-sealed stamp was removed from the Au substrate, and the Au surface was immersed in a 1 mM ethanolic BAT solution to backfill ligand

A TiO₂@MWCNTs nanocomposite photoanode for solar-driven water splitting

• Anh Quynh Huu Le,
• Ngoc Nhu Thi Nguyen,
• Hai Duy Tran,
• Van-Huy Nguyen and
• Le-Hai Tran

Beilstein J. Nanotechnol. 2022, 13, 1520–1530, doi:10.3762/bjnano.13.125

• Anh Quynh Huu Le Ngoc Nhu Thi Nguyen Hai Duy Tran Van-Huy Nguyen Le-Hai Tran Ho Chi Minh City University of Natural Resource and Environment, 236B Le Van Sy street, Tan Binh District, Ho Chi Minh City, Vietnam Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268

• the photoelectrochemical activity in aqueous environment [18][19][20]. Figure 4 shows the EDX spectra of MWCNTs and the TiO2@MWCNTs nanocomposite. The EDX spectrum for TiO2@MWCNTs confirms the presence of Ti, which accounts for 28.76 wt %. Small amounts of Fe, Al, and Si exists in as-synthesized

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

• ][27][28]. As mentioned by Raven [29], Cl− is an essential micronutrient for oxygenic photosynthetic organisms and is found in the environment in concentrations higher than those required by plants. Teixeira et al. [30] reported that the use of potassium chloride as a source of potassium for pineapple

Hydroxyapatite–bioglass nanocomposites: Structural, mechanical, and biological aspects

• Olga Shikimaka,
• Mihaela Bivol,
• Bogdan A. Sava,
• Marius Dumitru,
• Christu Tardei,
• Beatrice G. Sbarcea,
• Daria Grabco,
• Constantin Pyrtsac,
• Daria Topal,
• Andrian Prisacaru,
• Vitalie Cobzac and
• Viorel Nacu

Beilstein J. Nanotechnol. 2022, 13, 1490–1504, doi:10.3762/bjnano.13.123

• drawbacks. An ideal biomaterial to replace the bone tissue must integrate in the surrounding bone or soft tissue by stimulating osteoinduction and octeoconduction [1] at their interface in physiologic environment. Synthetic hydroxyapatite (HA), Ca10(PO4)6(OH)2, although being very similar to the mineral

• composition of bone, has a low resorption in physiologic environment and, therefore, does not form a tough bond with the bone [2]. The development of hydroxyapatite–bioglass (HA-BG) composites aimed to overcome this problem [3][4][5]. In these composites, the biocompatibility of HA is combined with the

• response in the physiologic environment [7][10][11][12][13][14][15][16][17][18]. The main role of SBG is the formation of CHA layer, whereas the role of PBG and BBG is the delivery of Ca and P ions, responsible for the osteogenesis, and other therapeutic elements due to their higher solubility. The

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

• components of the g-tensor (Figure 8) show that the distortion of the coordination environment of Ni3+ ions (both axial and non-axial) decreases with the temperature at which the samples were prepared. There may be two reasons for the existence of two types of nickel complexes in the spectrum. The first

Coherent amplification of radiation from two phase-locked Josephson junction arrays

• Mikhail A. Galin,
• Vladimir M. Krasnov,
• Ilya A. Shereshevsky,
• Nadezhda K. Vdovicheva and
• Vladislav V. Kurin

Beilstein J. Nanotechnol. 2022, 13, 1445–1457, doi:10.3762/bjnano.13.119

• whole length of strips of JJs. However, for both samples the steps are more pronounced in the inner array-b than in the outer array-a. Presumably, this is due to a more beneficial EM environment for the inner strip, which has two adjacent strips on both sides operating as additional single-strip line

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

• μM), Au-LNPs (30 μM) and AB-LNPs (containing 30 μM BDP and 30 μM Au). Cells were cultured in dark environment with or without laser irradiation (680 nm, 0.5 W/cm2, 60 s). ** p < 0.01, **** p < 0.0001 compared with control by Student’s t-test. Schematic diagram of the preparation of AB-LNPs. Synthesis

Double-layer symmetric gratings with bound states in the continuum for dual-band high-Q optical sensing

• Chaoying Shi,
• Jinhua Hu,
• Xiuhong Liu,
• Junfang Liang,
• Jijun Zhao,
• Haiyan Han and
• Qiaofen Zhu

Beilstein J. Nanotechnol. 2022, 13, 1408–1417, doi:10.3762/bjnano.13.116

• , which are defined as the ratio of the resonant wavelength drift to the change in refractive index of the surrounding environment (S = Δλres/Δnc) and the ratio of sensitivity to the FWHM (FOM = S/FWHM), respectively [55]. Taking the structural parameters previously mentioned as an example, the proposed

• waves, while the FOM is proportional to the Q-factor, which ultimately represents the ability of the sensor to track small changes in the refractive index of the environment [39][57]. We also found that the S of mode 1 at different α and h values follows the same trend as the FOM. The simulation results

• symmetrical structure in vacuum which allows the optical field to be uniformly located in the grating and environment layers. This way, the confinement ability of the grating to the optical field is achieved while enhancing the relationship between light and matter. Finally, the performance of the DLSG-based

Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics

• Sedat Ünal,
• Osman Doğan and
• Yeşim Aktaş

Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115

• , enzymatic destructive environment, and transit time through the gastrointestinal tract, the ability of an orally administered formulation to reach colon carcinomas stably and effectively necessitates a serious pharmaceutical formulation study and a comprehensive evaluation. It is possible to overcome the

• because CS degrades more easily in a low-pH environment [50]. After the first four hours, uncoated PLGA NPs began to release more DCX compared to the coated formulation. Until the end of the experiment, the release profile of CS-coated PLGA NPs remained slower than that of uncoated PLGA NPs. This

• -PLGA NPs was examined in a release medium with progressively changing pH, reflecting the GIT environment. The real transit periods were examined with the dialysis membrane technique at 37 °C in a shaking water bath (100 rpm) under sink circumstances [10]. Release experiments were conducted by placing 3