Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

• Cristina Maria Vlăduț,
• Crina Anastasescu,
• Silviu Preda,
• Oana Catalina Mocioiu,
• Simona Petrescu,
• Jeanina Pandele-Cusu,
• Dana Culita,
• Veronica Bratan,
• Ioan Balint and
• Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

• distribution of the resulting nanomaterials [7][8][9]. Recently, the use of microwave energy for synthesizing functional nanomaterials has garnered significant interest [10][11]. The microwave-assisted sol–gel technique (MW) has been reported to be simpler, faster, more cost-effective, and more energy

• catalyst is generally associated with low photocatalytic activity. Accordingly, various modifiers of semiconductor nanomaterials are used to enhance separation of the photogenerated charges, causing a corresponding decrease of PL emission. The correlation between photoluminescence and photocatalytic

• activity of the modified nanomaterials can be modulated by the dopant concentration. Figure 9 shows for both investigated samples a main emission peak at 420 nm and a smaller one at 480 nm. According to the literature data, both maxima correspond to the excitonic PL related to surface oxygen vacancies and

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

• multipoint measurements of nanomaterials in search of their electrical or mechanical properties. Visualisation of the halo effect under a freestanding nanostructure on a solid and 3D substrate. MEMS bridge shown (a) schematically with RoI formed (left) and RoI distance geometry (right), (b) on a SEM image as

• European Cooperation in Science and Technology (COST) Action “Focused Ion Technology for Nanomaterials – fit4nano” (grant number CA19140).

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

• corona formation in cell culture medium and human plasma To verify the adsorption of proteins on the functionalized SiO2NPs, sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) experiment was performed. For this, the nanomaterials (in concentrations of 2 to 5 mg·mL–1) were incubated in

Synthesis, characterization and anticancer effect of doxorubicin-loaded dual stimuli-responsive smart nanopolymers

• Ömür Acet,
• Pavel Kirsanov,
• Burcu Önal Acet,
• Inessa Halets-Bui,
• Dzmitry Shcharbin,
• Şeyda Ceylan Cömert and
• Mehmet Odabaşı

Beilstein J. Nanotechnol. 2024, 15, 1189–1196, doi:10.3762/bjnano.15.96

• Belarus, Minsk, Belarus Faculty of Arts and Science, Chemistry Department, Aksaray University, Aksaray, Turkey 10.3762/bjnano.15.96 Abstract Nanopolymers represent a significant group of delivery vehicles for hydrophobic drugs. In particular, dual stimuli-responsive smart polymer nanomaterials might be

• their transition to the active phase of reproduction. The nanomaterials were added to the cell suspension in the wells. For this, complexes of DOX-SNPs were prepared as described in section “Preparation of DOX-SNPs” to equivalents of loaded DOX of 1, 3, and 5 µmol/L in 0.05 mol/L phosphate-buffered

AI-assisted models to predict chemotherapy drugs modified with C₆₀ fullerene derivatives

• Jonathan-Siu-Loong Robles-Hernández,
• Dora Iliana Medina,
• Katerin Aguirre-Hurtado,
• Marlene Bosquez,
• Roberto Salcedo and
• Alan Miralrio

Beilstein J. Nanotechnol. 2024, 15, 1170–1188, doi:10.3762/bjnano.15.95

• , central nervous system and cardiac disorders, and autoimmune diseases [16]. In recent years, nanomaterials have attracted the attention of different scientific communities by providing them with new solutions for drug delivery [19][20]. These nanotechnological applications have made it possible to obtain

• in pharmacy and medicine is carbon-based nanomaterials because of their physicochemical, mechanical, electrical, thermal, and optical properties [19][20], as well as their capacity to modify existing drugs. Fullerene derivatives have been proposed recently, particularly those obtained from fullerene

Introducing third-generation periodic table descriptors for nano-qRASTR modeling of zebrafish toxicity of metal oxide nanoparticles

• Supratik Kar and
• Siyun Yang

Beilstein J. Nanotechnol. 2024, 15, 1142–1152, doi:10.3762/bjnano.15.93

• ; Introduction Nanomaterials, which are defined as materials that fall in the range of 1–100 nanometers two-dimensionally, are commonly used in the fields of biomedicine, catalysis, and electricity because of their stable and unique performance, small size, and large surface area [1]. Nanomaterials encompass a

• amendments. However, it is concerning that the environment is affected because of the enormous production and inadvertent use of nanomaterials. Nanoparticles have been identified in wastewater streams, drinking water sources, and tap water in amounts ranging from nanograms to micrograms per liter [10]. Also

• , it was reported that MONPs have been found in human tissues such as brain, heart, and liver [11] and that occupational exposure to metal oxide nanomaterials increased oxidative stress biomarkers, suggesting potential DNA oxidative damage and lipid peroxidation [12]. Given the limited data available

Photocatalytic methane oxidation over a TiO₂/SiNWs p–n junction catalyst at room temperature

• Qui Thanh Hoai Ta,
• Luan Minh Nguyen,
• Ngoc Hoi Nguyen,
• Phan Khanh Thinh Nguyen and
• Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

• carriers prior to their participation in reactions significantly reduces the efficiency of methane oxidation reactions [23][24]. To address these issues of TiO2 nanomaterials, many scientists have developed TiO2-based nanostructure composites as advanced photocatalysts [25][26][27][28][29][30]. The

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

• and pharmaceutical fields. Many review papers describe applications of alginate in the drug delivery field. The current study covers the structural and physicochemical properties of alginate-based nanoparticles. The prospective applications of alginate-based nanomaterials in various domains are

• disease diagnosis, quick detection of diverse drugs and chemicals, and long-term monitoring [9]. In the recent decade, sensor technology has seen breakthroughs thanks to the usage of nanomaterials with superior physicochemical properties [10][11][12][13]. Nowadays, the development of sensors based on

• nanomaterials, particularly alginate-based, has raised the interest of many in the biomedical field for monitoring and regulating human health [14]. Biopolymers are naturally occurring polymeric compounds derived from living organisms [15][16][17][18]. They are mostly used in pharmaceutical and biomedical

Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP

• Sree Satya Bharati Moram,
• Chandu Byram and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1054–1069, doi:10.3762/bjnano.15.86

• size and composition, making it a preferred choice for nanomaterials synthesis [2][3][4][5]. The process involves laser plasma interacting with a metal in a liquid; it excites electrons, which then generates atomic vibrations within a few picoseconds, causing rapid heating, melting, and explosive

Interface properties of nanostructured carbon-coated biological implants: an overview

• Mattia Bartoli,
• Francesca Cardano,
• Erik Piatti,
• Stefania Lettieri,
• Andrea Fin and
• Alberto Tagliaferro

Beilstein J. Nanotechnol. 2024, 15, 1041–1053, doi:10.3762/bjnano.15.85

• principles laying behind the structure of materials were discovered. The discovery of the atom-based nature of matter has revolutionized the approach to natural science, leading to the development of nanoscience. Noble laureate Richard Feynman first proposed the concept of nanomaterials in his well-known

• is strictly related to the desired carbon nanomaterials. Metal catalysts with high carbon solubility primarily involve carbon segregation and precipitation throughout the metal bulk [84], while metal catalysts with low carbon solubility act from the metal surface inward [63]. PVD routes are numerous

Atomistic insights into the morphological dynamics of gold and platinum nanoparticles: MD simulations in vacuum and aqueous media

• Evangelos Voyiatzis,
• Eugenia Valsami-Jones and
• Antreas Afantitis

Beilstein J. Nanotechnol. 2024, 15, 995–1009, doi:10.3762/bjnano.15.81

• spherical nanoparticles (NPs) upon cooling is studied through atomistic molecular dynamics simulations. The goal is to identify the morphological transformations occurring in the nanomaterials as well as to quantify their dependence on temperature, chemistry, and NP size. For diameters smaller than 3 nm

• possess a higher level of crystallinity than the gold counterparts under the same conditions because of the stronger cohesive forces that drive the crystallization process. This observation is also supported by the simulated X-ray powder diffraction patterns of the nanomaterials. The larger NPs have a

• employed to study other metallic and metal oxide nanomaterials. Keywords: crystallization; gold; molecular dynamics; nanoparticles; platinum; Introduction Nanomaterials, that is, materials with dimensions in the range of 1–100 nm [1][2], are central to a variety of developments in science and technology

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

• dimensions within the range of 1 to 100 nm [2]. The diminutive size of nanoparticles contributes to a significantly high surface area with respect to volume, resulting in enhanced reactivity, improved stability, and augmented functionality. In the field of nanomaterials, ENMOs are a notable subset. These

• nanoparticles consist of metal elements bonded with oxygen in intricate structures [3][4]. They exhibit exceptional physicochemical properties, which have led to their widespread utilization across various industries [5][6]. These nanomaterials are employed in, for example, electronics, cosmetics, and medicine

• procedures [19][20][21]. Understanding the structural features related to the surface modifiers of ENMOs that influence their uptake in human cell lines is crucial for designing nanomaterials with enhanced bioavailability. The surface modifiers are, in general, chemical groups or molecules that are attached

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

• of chemicals to direct synthetic advances, perform massive screenings, and even to register new substances according to international regulations. Currently, nanoscale QSAR (nano-QSAR) models, adapting this methodology to predict the intrinsic features of nanomaterials (NMs) and quantitatively assess

• component of the nanoform (core, surface, or structure) and also experimental features (related to the nanomaterial’s behavior, preparation, or test conditions) that indirectly reflect its structure. Keywords: descriptors; nanomaterials; nano-QSAR; QSAR; toxicity; Introduction Computational techniques of

• statistical nature such as quantitative structure–activity relationships (QSARs) can help to understand the intrinsic features of nanomaterials (NMs) and quantitatively assess their potential risks for human health and the environment [1]. QSARs consist in the construction of mathematical models relating the

When nanomedicines meet tropical diseases

• Eder Lilia Romero,
• Katrien Van Bocxlaer and
• Fabio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 830–832, doi:10.3762/bjnano.15.69

• and research groups have dedicated their notable work to investigating vaccines, diagnostics, and medicines to prevent, diagnose, and treat NTDs. The field in which nanomaterials are used for diagnosing, monitoring, controlling, preventing, and treating diseases is called “nanomedicine” [1

• contributions emphasized the design and applications of nanomaterials as potential solutions for these diseases. We thank all the authors for submitting their articles. Meanwhile, we hope scientists, health authorities, and communities continue to fight against NTDs. And, who knows, maybe we will have a day to

Synthesis of silver–palladium Janus nanoparticles using co-sputtering of independent sources: experimental and theorical study

• Maria J. Martínez-Carreón,
• Francisco Solís-Pomar,
• Abel Fundora,
• Claudio D. Gutiérrez-Lazos,
• Sergio Mejía-Rosales,
• Hector N. Fernández-Escamilla,
• Jonathan Guerrero-Sánchez,
• Manuel F. Meléndrez and
• Eduardo Pérez-Tijerina

Beilstein J. Nanotechnol. 2024, 15, 808–816, doi:10.3762/bjnano.15.67

• AuNi and PdRu, is limited [4]. In this sense, the production of nanoalloys made of immiscible metals in volume has generated a large amount of interest because this lack of miscibility may be used as an advantage for the design of nanomaterials with new functional properties, distinct from those

Green synthesis of biomass-derived carbon quantum dots for photocatalytic degradation of methylene blue

• Dalia Chávez-García,
• Mario Guzman,
• Viridiana Sanchez and
• Rubén D. Cadena-Nava

Beilstein J. Nanotechnol. 2024, 15, 755–766, doi:10.3762/bjnano.15.63

• . This study introduces an innovative approach to mitigate water pollution through the synthesis of nanomaterials using biomass-derived carbon quantum dots (CQDs) from grape pomace and watermelon peel. Utilizing the hydrothermal method at temperatures between 80 and 160 °C over periods ranging from 1 to

• -conversion luminescence. The results revealed effective photocatalytic degradation of methylene blue under sunlight, highlighting the potential for scalable production of these cost-effective catalytic nanomaterials for synthetic dye degradation. Keywords: biomass; carbon dots; catalysis; methylene blue

• , carbon nanomaterials exhibiting fluorescence, such as carbon oxide dots, exhibit a diverse array of structural elements, including sp2 carbon hybridization or partial hybridization commonly observed in carbon oxide dots [30][31]. The PL down-conversion spectra of the CQDs synthesized from grape pomace

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

• work [47], outlining the fabrication of structured CuO films on fluorine-doped tin oxide from a solution devoid of additional substances. Post-processing plays a significant role in the field of nanomaterials fabrication. Metal oxide thin films often undergo annealing. This practice aims to improve the

• × and 2× samples, and their amplification in the case of a triply repeated HT+RTA sequence, suggest that too many cycles can lead to the formation of inhomogeneities in the chemical composition of the manufactured material. Conclusion The search for new growth methods of nanomaterials and the continuous

Simultaneous electrochemical determination of uric acid and hypoxanthine at a TiO₂/graphene quantum dot-modified electrode

• Vu Ngoc Hoang,
• Dang Thi Ngoc Hoa,
• Nguyen Quang Man,
• Le Vu Truong Son,
• Le Van Thanh Son,
• Vo Thang Nguyen,
• Le Thi Hong Phong,
• Ly Hoang Diem,
• Kieu Chan Ly,
• Ho Sy Thang and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 719–732, doi:10.3762/bjnano.15.60

• capability of the nanomaterials. Low LODs, high reproducibility, and simple procedures for surface modification and analysis can be considered as the advantages of the proposed DPV method. Images of aqueous suspension of TiO2/GQDs samples (a) under white light and (b) under UV light. (c) Photoluminescence

Elastic modulus of β-Ga₂O₃ nanowires measured by resonance and three-point bending techniques

• Annamarija Trausa,
• Sven Oras,
• Sergei Vlassov,
• Mikk Antsov,
• Tauno Tiirats,
• Andreas Kyritsakis,
• Boris Polyakov and
• Edgars Butanovs

Beilstein J. Nanotechnol. 2024, 15, 704–712, doi:10.3762/bjnano.15.58

• nanomaterials technologies and research (NAMUR+) for core facility funded by project TT13. The Institute of Solid State Physics, University of Latvia as the Center of Excellence, has received funding from the European Union’s Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under

Gold nanomakura: nanoarchitectonics and their photothermal response in association with carrageenan hydrogels

• Nabojit Das,
• Vikas,
• Akash Kumar,
• Sanjeev Soni and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 678–693, doi:10.3762/bjnano.15.56

• systems by architecting atoms, molecules, and nanomaterials as building blocks [1]. This interplay at the nanoscale renders a plethora of unique physicochemical properties to nanomaterials. These unique properties are due to the mean free path of an electron in a metal which is ≈10–100 nm at room

• diffraction (XRD), and FTIR, respectively, to establish physicochemical properties of the synthesized nanomaterials. Results Synthesis, optical spectroscopy, and zeta potential Anisotropic gold nanoparticles of makura shape were synthesized using seed-mediated approach as shown in Figure 1a. The Au seeds were

• well known to generate anisotropic nanomaterials. The mechanism mainly involves the arrangement of surfactant micelles which dictates anisotropy in nanoparticle during synthesis. A seed is a tiny crystal of ≈2–3 nm that initiates growth of a nanoparticle when introduced in a proper growth solution. The

Laser synthesis of nanoparticles in organic solvents – products, reactions, and perspectives

• Theo Fromme,
• Sven Reichenberger,
• Katharine M. Tibbetts and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2024, 15, 638–663, doi:10.3762/bjnano.15.54

• 23284, USA 10.3762/bjnano.15.54 Abstract Laser synthesis and processing of colloids (LSPC) is an established method for producing functional and durable nanomaterials and catalysts in virtually any liquid of choice. While the redox reactions during laser synthesis in water are fairly well understood

• to the formation of nanoparticles and can be performed in either aqueous media [4][5][14] or organic solvents [14][15][16][17][18]. Further, it is possible to synthesize metastable phase nanomaterials (NMs) that are hardly obtainable by conventional, chemical methods [19][20][21][22][23][24]. LFL

• of the redox reactions of the released oxygen with the generated nanomaterials, resulting in a depletion of oxygen and a higher fraction of the generated hydrogen. The process of LRL stands in direct contrast to oxidation during LAL and LFL, but the (effective) reducing character of the water can

Radiofrequency enhances drug release from responsive nanoflowers for hepatocellular carcinoma therapy

• Yanyan Wen,
• Ningning Song,
• Yueyou Peng,
• Weiwei Wu,
• Qixiong Lin,
• Minjie Cui,
• Rongrong Li,
• Qiufeng Yu,
• Sixue Wu,
• Yongkang Liang,
• Wei Tian and
• Yanfeng Meng

Beilstein J. Nanotechnol. 2024, 15, 569–579, doi:10.3762/bjnano.15.49

• CUR-Fe@MnO2 NFs were collected by magnetic separation and washed 3 times with deionized water. Characterization of the synthesized nanomaterials The morphology and size of Fe3O4 NCs, CUR-Fe NPs, and CUR-Fe@MnO2 NFs were determined via transmission electron microscopy (Tecnai F20, FEI, USA). The TEM

• to CC BY 4.0. Characterization of the nanomaterials. a–c) TEM images of the Fe3O4 NCs, CUR-Fe NPs, and CUR-Fe@MnO2 NFs (scale bar: 200 nm). d,e) Zeta potentials and hydrodynamic diameters of the Fe3O4 NCs, CUR-Fe NPs, and CUR-Fe@MnO2 NFs (the polydispersity index values were 0.184, 0.260, 0.269

Aero-ZnS prepared by physical vapor transport on three-dimensional networks of sacrificial ZnO microtetrapods

• Veaceslav Ursaki,
• Tudor Braniste,
• Victor Zalamai,
• Emil Rusu,
• Vladimir Ciobanu,
• Vadim Morari,
• Daniel Podgornii,
• Pier Carlo Ricci,
• Rainer Adelung and
• Ion Tiginyanu

Beilstein J. Nanotechnol. 2024, 15, 490–499, doi:10.3762/bjnano.15.44

• nanomaterials [45]. Because of similarities in the morphology of aero-ZnS materials obtained by physical vapor transport to those produced by HVPE, one can expect that the materials prepared by physical vapor transport will also exhibit hydrophobic/hydrophilic properties suitable for microfluidic applications

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

• Vo Chau Ngoc Anh,
• Le Thi Thanh Nhi,
• Le Thi Kim Dung,
• Dang Thi Ngoc Hoa,
• Nguyen Truong Son,
• Nguyen Thi Thao Uyen,
• Nguyen Ngoc Uyen Thu,
• Le Van Thanh Son,
• Le Trung Hieu,
• Tran Ngoc Tuyen and
• Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

• [4]. Several magnetic nanomaterials that can be recycled and reused have been developed for catalysis or adsorption [5]. Among them are ferrites with the general formula of MFe2O4 (M: Mn, Fe, Co, Ni, Cu, and Zn). They are important magnetic materials. Among the spinel ferrites, CoFe2O4 (CF) is one of

Heat-induced morphological changes in silver nanowires deposited on a patterned silicon substrate

• Elyad Damerchi,
• Sven Oras,
• Edgars Butanovs,
• Allar Liivlaid,
• Mikk Antsov,
• Boris Polyakov,
• Annamarija Trausa,
• Veronika Zadin,
• Andreas Kyritsakis,
• Loïc Vidal,
• Karine Mougin,
• Siim Pikker and
• Sergei Vlassov

Beilstein J. Nanotechnol. 2024, 15, 435–446, doi:10.3762/bjnano.15.39

• -2017-TeamingPhase2 under grant agreement No. 739508, project CAMART2. Characterization facilities at the University of Tartu were supported by the Center of nanomaterials technologies and research (NAMUR+) for core facility funded by project TT13. S.P. was supported by the Estonian Research Council’s