Theoretical study of the electronic and optical properties of a composite formed by the zeolite NaA and a magnetite cluster

• Joel Antúnez-García,
• Roberto Núñez-González,
• Vitalii Petranovskii,
• H’Linh Hmok,
• Armando Reyes-Serrato,
• Fabian N. Murrieta-Rico,
• Mufei Xiao and
• Jonathan Zamora

Beilstein J. Nanotechnol. 2025, 16, 44–53, doi:10.3762/bjnano.16.5

• that the composite exhibits magnetic properties of a half-semiconductor and a strong optical response within the visible and ultraviolet regions of the spectrum. Keywords: magnetic cluster; NaA zeolite; optical properties; Introduction Zeolites are crystalline materials made up of aluminosilicates

• introduction of magnetic nanoparticles into zeolite crystals so that the resulting composite can respond to an external magnetic field [33]. By imparting magnetic properties to such composites, they can be efficiently recovered after capturing contaminants such as heavy metals [34][35][36][37] and dyes [38][39

• ][40] in bodies of water, addressing a pressing environmental concern. Also, iron-modified zeolites have shown variations in both electric and magnetic properties that allow one to generate catalysts based on zeolites [41]. Among these types of composites consisting of zeolites modified with magnetic

Biomimetic nanocarriers: integrating natural functions for advanced therapeutic applications

• Hugo Felix Perini,
• Beatriz Sodré Matos,
• Carlo José Freire de Oliveira and
• Marcos Vinicius da Silva

Beilstein J. Nanotechnol. 2024, 15, 1619–1626, doi:10.3762/bjnano.15.127

• neuronal mitochondria, as evidenced by fluorescence intensities identified in brain homogenates, and reduced Aβ1 deposition, demonstrating the ability of the nanocomposite to cross the BBB [71]. Inorganic nanoparticles exhibit unique optical, magnetic, and chemical properties and stability. Gold

Liver-targeting iron oxide nanoparticles and their complexes with plant extracts for biocompatibility

• Shushanik A. Kazaryan,
• Seda A. Oganian,
• Gayane S. Vardanyan,
• Anatolie S. Sidorenko and
• Ashkhen A. Hovhannisyan

Beilstein J. Nanotechnol. 2024, 15, 1593–1602, doi:10.3762/bjnano.15.125

• in most biological and chemical reactions involved in the production of medical materials [10][11][12][13]. Magnetic nanoparticles (MNPs), such as iron oxides, not only exhibit superparamagnetism and high magnetic susceptibility, they also possess unique physical properties, biocompatibility

• Fe3O4 NPs have great potential for commercial use and have already found applications in biomedicine, such as magnetic resonance imaging (as contrast enhancement agents), targeted drug or gene delivery, tissue engineering, biological fluid detoxification, hyperthermia, biological sensing, nanozymes, and

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• grafting magnetic nanoparticles with ʟ-carnosine significantly enhanced the catalytic performance of the nanoparticles [15]. In another study, metal-organic framework nanoparticles fabricated with ʟ-carnosine were employed for arsenic removal via an adsorption mechanism. The maximum removal of arsenic was

• 94.33 mg/g at a pH of 8.5 and 0.4 g/L adsorbent [16]. These studies confirmed that ʟ-carnosine adsorbed on metal surfaces has widespread environmental applications. However, magnetic nanoparticles or MOFs coated with ʟ-carnosine were applicable only for environmental remediation but were incapable of

Green synthesis of silver nanoparticles derived from algae and their larvicidal properties to control Aedes aegypti

• Matheus Alves Siqueira de Assunção,
• Douglas Dourado,
• Daiane Rodrigues dos Santos,
• Gabriel Bezerra Faierstein,
• Mara Elga Medeiros Braga,
• Severino Alves Junior,
• Rosângela Maria Rodrigues Barbosa,
• Herminio José Cipriano de Sousa and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 1566–1575, doi:10.3762/bjnano.15.123

• electrical, optical, and magnetic properties for a wide range of applications [22][23]. They can be synthesized by different procedures based on “top-down” or “bottom-up” approaches [24] (Figure 1). Top-down synthesized silver nanoparticles can be obtained by lithography, attrition, milling, and other

• extract filtrate with 90 mL of AgNO3 (1 mM). To increase the yield of silver nanoparticles, the sample was placed under magnetic stirring varying the heating temperatures (37–80 °C). The formation of NPs was verified from the color change in the solution to reddish brown. The possible chemical compounds

• from red algae [54]. A. rigida seaweed extract was prepared by adding pulverized seaweed (10 g) to 500 mL of purified water. The mixture was heated to a temperature of 80 °C under magnetic stirring for 20 min. Finally, the extract was filtered and centrifuged (12298g for 10 min). The NPs were obtained

Effect of radiation-induced vacancy saturation on the first-order phase transformation in nanoparticles: insights from a model

• Aram Shirinyan and
• Yuriy Bilogorodskyy

Beilstein J. Nanotechnol. 2024, 15, 1453–1472, doi:10.3762/bjnano.15.117

Ion-induced surface reactions and deposition from Pt(CO)₂Cl₂ and Pt(CO)₂Br₂

• Mohammed K. Abdel-Rahman,
• Patrick M. Eckhert,
• Atul Chaudhary,
• Johnathon M. Johnson,
• Jo-Chi Yu,
• Lisa McElwee-White and
• D. Howard Fairbrother

Beilstein J. Nanotechnol. 2024, 15, 1427–1439, doi:10.3762/bjnano.15.115

• vessel was charged with PtBr2 (0.31 g, 0.88 mmol), a magnetic stir bar and dry DCE (30 mL). The glass pressure vessel was placed in a 300 mL Parr reactor for 2 h at room temperature under CO (150 psi). The temperature was then increased to 110 °C by a sand bath, and the reaction mixture was stirred for

Lithium niobate on insulator: an emerging nanophotonic crystal for optimized light control

• Midhun Murali,
• Amit Banerjee and
• Tanmoy Basu

Beilstein J. Nanotechnol. 2024, 15, 1415–1426, doi:10.3762/bjnano.15.114

• interface engineering are crucial for success [25][26][27]. The primary motivation for choosing lithium niobate is to utilize materials whose optical properties are sensitive to one or more externally controllable factors, such as electric or magnetic fields, enabling the manipulation of the structure

Nanotechnological approaches for efficient N2B delivery: from small-molecule drugs to biopharmaceuticals

• Selin Akpinar Adscheid,
• Akif E. Türeli,
• Nazende Günday-Türeli and
• Marc Schneider

Beilstein J. Nanotechnol. 2024, 15, 1400–1414, doi:10.3762/bjnano.15.113

• therapeutic applications. For example, polymeric NPs exhibit easily tunable surface properties [117], lipid NPs offer high bioavailability and -compatibility [118], and inorganic NPs provide unique magnetic or optical properties [119]. Moreover, DDSs can be conjugated with ligands and coated with mucoadhesive

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

• The-Long Phan,
• Le Viet Cuong,
• Vu Dinh Lam and
• Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

• microcavities [9]. Additionally, it is a transparent semiconductor with significant piezoelectricity [10]. These noble characteristics suggest ZnO to be a potential material in the fabrication of UV/blue/green LEDs, solid-state random lasers, UV-absorption devices, and nanogenerators [9][11][12][13]. Magnetic

• ordering can also be established in ZnO lattices upon doping with transition-metal and/or rare-earth elements (known as magnetic semiconductors, DMSs). This is expected to enable the development of next-generation spintronic devices [14] applicable to quantum and neuromorphic computing for artificial

Investigation of Hf/Ti bilayers for the development of transition-edge sensor microcalorimeters

• Victoria Y. Safonova,
• Anna V. Gordeeva,
• Anton V. Blagodatkin,
• Dmitry A. Pimanov,
• Anton A. Yablokov and
• Andrey L. Pankratov

Beilstein J. Nanotechnol. 2024, 15, 1353–1361, doi:10.3762/bjnano.15.108

• based on a transition-edge sensor (TES) in experiments to determine the magnetic moment of neutrinos. Based on the measurements of the critical current, the critical temperature, and the width of the superconducting transition, we estimate the energy resolution δE of the TES prototypes, showing that it

New design of operational MEMS bridges for measurements of properties of FEBID-based nanostructures

• Bartosz Pruchnik,
• Krzysztof Kwoka,
• Ewelina Gacka,
• Dominik Badura,
• Piotr Kunicki,
• Andrzej Sierakowski,
• Paweł Janus,
• Tomasz Piasecki and
• Teodor Gotszalk

Beilstein J. Nanotechnol. 2024, 15, 1273–1282, doi:10.3762/bjnano.15.103

• [38], but this technique is difficult to apply in SEM chambers (the ultimate working environment for opMEMS) because of the difficulty of obtaining a controlled magnetic field inside. In the experiments, the resonance of the opMEMS was measured outside the vacuum chamber using a SIOS nano vibration

The role of a tantalum interlayer in enhancing the properties of Fe₃O₄ thin films

• Hai Dang Ngo,
• Vo Doan Thanh Truong,
• Van Qui Le,
• Hoai Phuong Pham and
• Thi Kim Hang Pham

Beilstein J. Nanotechnol. 2024, 15, 1253–1259, doi:10.3762/bjnano.15.101

• morphological, structural, and magnetic properties of the deposited samples were characterized with atomic force microscopy, X-ray diffractometry, and vibrating sample magnetometry. The polycrystalline Fe3O4 film grown on MgO/Ta/SiO2/Si(100) presented very interesting morphology and structure characteristics

• , Zhang et al. successfully applied a layer of Fe3O4(001) on a MgO(001) substrate. The resulting material exhibited saturation magnetization and magnetic moment values of 407 ± 5 emu/cm3 (3.26 ± 0.04 μB/(f.u.)) and 3.31 ± 0.15 μB/(f.u.), respectively [23]. This paper addresses the deposition of Fe3O4 thin

• indicates the potential to facilitate the development of novel magnetic and spintronic architectures. Results and Discussion AFM and line-cut method were used to examine the surface morphology and grain sizes of the Fe3O4 films that were formed on SiO2/Si(100), MgO(100), and MgO/Ta/SiO2/Si(100) multilayer

Dual-functionalized architecture enables stable and tumor cell-specific SiO₂NPs in complex biological fluids

• Iris Renata Sousa Ribeiro,
• Raquel Frenedoso da Silva,
• Romênia Ramos Domingues,
• Adriana Franco Paes Leme and
• Mateus Borba Cardoso

Beilstein J. Nanotechnol. 2024, 15, 1238–1252, doi:10.3762/bjnano.15.100

• acetone. The compound was dried using a vacuum pump and stored in a desiccator. The product was analyzed by proton nuclear magnetic resonance (1H NMR) in deuterated water (D2O, 600 μL) with the standard trimethylsilyl propionic acid (TMSP). The signal referring to the solvent used, D2O, was omitted from

• using CasaXPS® software. Immunoprecipitation was used to characterize the functionalization of NPs. A schematic of the magnetic beads preparation can be seen in Supporting Information File 1, Figure S3. Magnetic beads (50 μL) at a concentration of 30 mg·mL–1 (Dynabeads MyOne Carboxylic Acid, Thermo

• ) for SiO2NPs-ZW-FO. The main peaks for each sample are marked on the spectrum itself. g) Fluorescence intensity for non-functionalized SiO2NPs and ZW-FO-SiO2NPs after incubation with magnetic beads coated with the folate receptor. (a) Representation of the protein adsorption on the surface of NPs

Realizing active targeting in cancer nanomedicine with ultrasmall nanoparticles

• André F. Lima,
• Giselle Z. Justo and
• Alioscka A. Sousa

Beilstein J. Nanotechnol. 2024, 15, 1208–1226, doi:10.3762/bjnano.15.98

• function as a more conventional NP platform in nanomedicine applications [18][21][22][38][39][40]. In diagnostic applications, usNPs have been employed in diverse imaging modalities, including optical imaging [41][42], X-ray computer tomography [43], photoacoustic imaging [41][44], magnetic resonance

• therapeutic target for MM [161]. Based on this, the Gd construct was utilized for the detection of malignant plasma cells in MM using magnetic resonance imaging (MRI). Competitive cell-binding assays confirmed the maintenance of antibody specificity after conjugation to usNPs. The resulting targeted usNPs

Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications

• Shakhzodjon Uzokboev,
• Khojimukhammad Akhmadbekov,
• Ra’no Nuritdinova,
• Salah M. Tawfik and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2024, 15, 1077–1104, doi:10.3762/bjnano.15.88

Entry of nanoparticles into cells and tissues: status and challenges

• Kirsten Sandvig,
• Tore Geir Iversen and
• Tore Skotland

Beilstein J. Nanotechnol. 2024, 15, 1017–1029, doi:10.3762/bjnano.15.83

• imaging (i.e., positron emission tomography (PET), single-photon emission computed tomography (SPECT), optical/fluorescence, magnetic resonance imaging (MRI), computed tomography (CT; using X-ray) and ultrasound imaging), and the spatial resolution, depth of imaging, sensitivity, and advantages

Beyond biomimicry – next generation applications of bioinspired adhesives from microfluidics to composites

• Dan Sameoto

Beilstein J. Nanotechnol. 2024, 15, 965–976, doi:10.3762/bjnano.15.79

• with materials we were working with back in 2010 (Figure 6a–c). Alternatively, we considered magnetic jamming including ball bearings and magnetorheological fluids within silicone pouches mixed with magnetite (Figure 6e,f). Unfortunately, the weak link in these jamming mechanisms was bonding the pouch

• to the ball bearings or internal fluid as the magnetic silicone had relatively weak attraction and was located at the furthest location from the magnetic trigger (NdFeB magnets). Without a strong bond between the silicone membrane and the internal magnetic materials, the actuator could not support

Therapeutic effect of F127-folate@PLGA/CHL/IR780 nanoparticles on folate receptor-expressing cancer cells

• Thi Ngoc Han Pham,
• Phuong-Thao Dang-Luong,
• Hong-Phuc Nguyen,
• Loc Le-Tuan,
• Xuan Thang Cao,
• Thanh-Danh Nguyen,
• Vy Tran Anh and
• Hieu Vu_Quang

Beilstein J. Nanotechnol. 2024, 15, 954–964, doi:10.3762/bjnano.15.78

• folic acid to enhance the imaging contrast in magnetic resonance imaging (MRI) or to improve the therapeutic efficacy of nanoparticles [14]. Chlorambucil (CHL) is a nitrogen mustard alkylating drug used to treat several benign tumors and malignancies, including chronic lymphatic leukemia [15], Hodgkin’s

Identification of structural features of surface modifiers in engineered nanostructured metal oxides regarding cell uptake through ML-based classification

• Indrasis Dasgupta,
• Totan Das,
• Biplab Das and
• Shovanlal Gayen

Beilstein J. Nanotechnol. 2024, 15, 909–924, doi:10.3762/bjnano.15.75

• ENMOs (monocrystalline magnetic nanoparticles having overall size of 38 nm and an average of 60 ligands per nanoparticle, indicating a consistent level of attachment across different preparations) regarding human pancreatic ductal adenocarcinoma cells (PaCa2), human umbilical vein endothelial cells

A review on the structural characterization of nanomaterials for nano-QSAR models

• Salvador Moncho,
• Eva Serrano-Candelas,
• Jesús Vicente de Julián-Ortiz and
• Rafael Gozalbes

Beilstein J. Nanotechnol. 2024, 15, 854–866, doi:10.3762/bjnano.15.71

• group the data into categories [60]. Related measures are the isoelectric point, which corresponds to the pH at which a nanoparticle suspension has zero zeta potential [15][17], the surface charge [31][36][63], the conductivity [77], and the electrophoretic mobility [77]. Magnetic properties are also

• found to be used as NM descriptors, such as the relaxivities R1 and R2 obtained from magnetic resonance studies [44]. Related to magnetism, Kotzabasaki et al. used the magnetic field strength, but also a single categorical descriptor describing the magnetic core composition of the nanoparticles [25

• ]. Additionally, focusing on the role of the NM as contrast agent in magnetic resonance imaging, the authors added the specific property of cellular internalization of iron, measured as the amount of iron inside the cells [25]. Zhang et al. [79] created a predictive model that uses regression trees to predict the

Electron-induced ligand loss from iron tetracarbonyl methyl acrylate

• Hlib Lyshchuk,
• Atul Chaudhary,
• Thomas F. M. Luxford,
• Miloš Ranković,
• Jaroslav Kočišek,
• Juraj Fedor,
• Lisa McElwee-White and
• Pamir Nag

Beilstein J. Nanotechnol. 2024, 15, 797–807, doi:10.3762/bjnano.15.66

• represents perhaps the “cleanest” approach since it probes the reaction of one precursor molecule with at most one electron, without environmental influences (e.g., precursor–precursor or precursor–substrate effects). The possibility of making iron nanostructures is important mainly because of their magnetic

• use. 1H nuclear magnetic resonance spectra (NMR) were obtained on a Bruker 400 MHz spectrometer. IR spectra were obtained on a PerkinElmer Spectrum ONE FTIR spectrometer using a solution cell equipped with NaCl windows and a path length of 1.0 mm. Synthesis The compound was synthesized according to

Electrospun polysuccinimide scaffolds containing different salts as potential wound dressing material

• Veronika Pálos,
• Krisztina S. Nagy,
• Rita Pázmány,
• Krisztina Juriga-Tóth,
• Bálint Budavári,
• Judit Domokos,
• Dóra Szabó,
• Ákos Zsembery and
• Angela Jedlovszky-Hajdu

Beilstein J. Nanotechnol. 2024, 15, 781–796, doi:10.3762/bjnano.15.65

• from 1 g of PSI powder and 3 g of DMF. The solution was mixed using a magnetic stirrer (100 rpm) for one day to dissolve. The different amounts of salts were added to the PSI/DMF solution and mixed for one day. The weights of the salts, the DMF, and the PSI in the solutions are listed in Table 1. The

Exploring surface charge dynamics: implications for AFM height measurements in 2D materials

• Mario Navarro-Rodriguez,
• Andres M. Somoza and
• Elisa Palacios-Lidon

Beilstein J. Nanotechnol. 2024, 15, 767–780, doi:10.3762/bjnano.15.64

• facilitates the creation of new heterostructures with tailored properties [15][16], making 2D materials suitable for different applications. Understanding the correlation between structural and topographical variations and their impact on mechanical [17][18], optical [19][20], magnetic [21][22], electronic

• microscopy (AFM) techniques emerge as ideal tools to investigate them [26][27]. Depending on the operation mode and under controlled environmental conditions, AFM offers the possibility to record morphology along with relevant electronic, mechanical, or magnetic properties with nanoscale resolution. In

Effect of repeating hydrothermal growth processes and rapid thermal annealing on CuO thin film properties

• Monika Ozga,
• Eunika Zielony,
• Aleksandra Wierzbicka,
• Anna Wolska,
• Marcin Klepka,
• Marek Godlewski,
• Bogdan J. Kowalski and
• Bartłomiej S. Witkowski

Beilstein J. Nanotechnol. 2024, 15, 743–754, doi:10.3762/bjnano.15.62

• devices. Keywords: CuO; hydrothermal method; rapid thermal annealing; thin films; Introduction Copper(II) oxide is a p-type semiconductor possessing a narrow bandgap, along with many beneficial electrical, optical, and magnetic properties. Particularly at the nanoscale, these properties set themselves