Synthesis and magnetic transitions of rare-earth-free Fe–Mn–Ni–Si-based compositionally complex alloys at bulk and nanoscale

• Shabbir Tahir,
• Tatiana Smoliarova,
• Carlos Doñate-Buendía,
• Michael Farle,
• Natalia Shkodich and
• Bilal Gökce

Beilstein J. Nanotechnol. 2025, 16, 823–836, doi:10.3762/bjnano.16.62

• carbon-supported TEM copper grid and dried under ambient conditions. The particle size distribution was determined by measuring the Feret diameter of individual particles from TEM images using ImageJ software [52]. The NP crystal structure was evaluated using CrysTBox software [53] using digital

Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection

• Akshana Parameswaran Sreekala,
• Bindu Krishnan,
• Rene Fabian Cienfuegos Pelaes,
• David Avellaneda Avellaneda,
• Josué Amílcar Aguilar-Martínez and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 785–805, doi:10.3762/bjnano.16.60

• SEM analysis of pyrite thin films was performed using a Hitachi Model SU 8020. The NPs were deposited on carbon-coated copper grids for TEM analysis and on silicon substrates for SEM analysis. Using monochromatic Al Kα radiation with an energy of 1486.68 eV, X-ray photoelectron spectroscopy (XPS

Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor

• Tina Friedenauer,
• Maximilian Spellauge,
• Alexander Sommereyns,
• Verena Labenski,
• Tuba Esatbeyoglu,
• Christoph Rehbock,
• Heinz P. Huber and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 711–727, doi:10.3762/bjnano.16.55

• often are hydrophobic, is their increased solubilization or aqueous dispersion, relevant for pharmacological, photochemical, and photomedical applications. For example, metal complex phthalocyanines (Pc) [18] such as vanadium (VOPc) [19][20][21][22], copper (CuPc) [23][24], aluminum (AlPc) [24], and

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

• Teissir Ben Ammar,
• Naji Kharouf,
• Dominique Vautier,
• Housseinou Ba,
• Nivedita Sudheer,
• Philippe Lavalle and
• Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

• metal ion chelation. Chromatin contains copper ions, which readily participate in redox reactions and bind strongly to DNA. These ions can form complexes with TA. Within cancer cells, for instance, this interaction can trigger ROS production and DNA damage [17]. However, when TA is complexed with

Polyurethane/silk fibroin-based electrospun membranes for wound healing and skin substitute applications

• Iqra Zainab,
• Zohra Naseem,
• Syeda Rubab Batool,
• Muhammad Waqas,
• Ahsan Nazir and
• Muhammad Anwaar Nazeer

Beilstein J. Nanotechnol. 2025, 16, 591–612, doi:10.3762/bjnano.16.46

Nanomaterials in targeting amyloid-β oligomers: current advances and future directions for Alzheimer's disease diagnosis and therapy

• Shiwani Randhawa,
• Trilok Chand Saini,
• Manik Bathla,
• Rahul Bhardwaj,
• Rubina Dhiman and
• Amitabha Acharya

Beilstein J. Nanotechnol. 2025, 16, 561–580, doi:10.3762/bjnano.16.44

• developed a robust and straightforward method for creating multichamber paper devices using wax printing techniques, which they applied to detect AβOs. This approach leverages copper-enhanced gold nanoprobe colorimetric immunoblotting, achieving detection limits as low as 23.7 pg/mL, visible through a

Synthetic-polymer-assisted antisense oligonucleotide delivery: targeted approaches for precision disease treatment

• Ana Cubillo Alvarez,
• Dylan Maguire and
• Ruairí P. Brannigan

Beilstein J. Nanotechnol. 2025, 16, 435–463, doi:10.3762/bjnano.16.34

Quantification of lead through rod-shaped silver-doped zinc oxide nanoparticles using an electrochemical approach

• Ravinder Lamba,
• Gaurav Bhanjana,
• Neeraj Dilbaghi,
• Vivek Gupta and
• Sandeep Kumar

Beilstein J. Nanotechnol. 2025, 16, 422–434, doi:10.3762/bjnano.16.33

• the effects of transition metal ions, such as silver, copper, nickel, and manganese on the chemical and physical properties of ZnO nanoparticles. These metal dopants utilize their partially occupied d-electron shells, leading to the presence of unpaired electrons. Out of these metals, silver is

Engineered PEG–PCL nanoparticles enable sensitive and selective detection of sodium dodecyl sulfate: a qualitative and quantitative analysis

• Soni Prajapati and
• Ranjana Singh

Beilstein J. Nanotechnol. 2025, 16, 385–396, doi:10.3762/bjnano.16.29

• ) and Bradford reagent (Cat. No. 19219) were purchased from SRL Chemicals (India). NIST-grade standards of arsenic (As3+), aluminium (Al3+), cadmium (Cd2+), zinc (Zn2+), mercury (Hg2+), nickel (Ni2+), copper (Cu2+), chromium (Cr3+), lead (Pb2+), iron (Fe3+), and cobalt (Co2+) (Cat. No. 041865), as well

• performed using SEM (FEI Quanta 250, Netherlands). Transmission electron microscopy (TEM) was also performed to measure nanoparticle mean size and their distribution. The sample was diluted 1000-fold from the stock solution, and 5 µL of the sample was placed onto a carbon-coated copper grid with 200 mesh

Development of a mucoadhesive drug delivery system and its interaction with gastric cells

• Ahmet Baki Sahin,
• Serdar Karakurt and
• Deniz Sezlev Bilecen

Beilstein J. Nanotechnol. 2025, 16, 371–384, doi:10.3762/bjnano.16.28

• with gold (4 nm). STEM micrographs were obtained from one drop of nanoparticle suspension dripped on an ultrathin carbon-coated copper grid. Surface composition of nanoparticles For the analysis of various functional groups on the surface of nanoparticles before and after coating, attenuated total

Pulsed laser in liquid grafting of gold nanoparticle–carbon support composites

• Madeleine K. Wilsey,
• Teona Taseska,
• Qishen Lyu,
• Connor P. Cox and
• Astrid M. Müller

Beilstein J. Nanotechnol. 2025, 16, 349–361, doi:10.3762/bjnano.16.26

• 200 W and 15 kV. Samples were washed with water, dried, and affixed to double-sided adhesive copper tape. Survey scans were averaged over five scans and spanned 0–1200 eV with a 1 eV step size, 200 ms dwell time, and 160 eV pass energy. High-resolution core level scans were averaged over five scans

Fabrication and evaluation of BerNPs regarding the growth and development of Streptococcus mutans

• Tuyen Huu Nguyen,
• Hong Thanh Pham,
• Kieu Kim Thanh Nguyen,
• Loan Hong Ngo,
• Anh Ngoc Tuan Mai,
• Thu Hoang Anh Lam,
• Ngan Thi Kim Phan,
• Dung Tien Pham,
• Duong Thuy Hoang,
• Thuc Dong Nguyen and
• Lien Thi Xuan Truong

Beilstein J. Nanotechnol. 2025, 16, 308–315, doi:10.3762/bjnano.16.23

• concentration in BerNPs was determined based on a berberine powder standard curve (SIGMA HPLC standard) at a wavelength of 350 nm. FE-SEM (Hitachi S-4800, Japan) was employed to determine the form and particle size of BerNPs. A small sample was placed on a copper net (Sigma-Aldrich, USA), dried at room

Preferential enrichment and extraction of laser-synthesized nanoparticles in organic phases

• Theo Fromme,
• Maximilian L. Spiekermann,
• Florian Lehmann,
• Stephan Barcikowski,
• Thomas Seidensticker and
• Sven Reichenberger

Beilstein J. Nanotechnol. 2025, 16, 254–263, doi:10.3762/bjnano.16.20

• , changing the polarity of the non-polar solvent phase for the laser ablation of copper. Iron and copper stand in the middle of the investigated standard electrochemical reduction potential metal series and show quite interesting phase selectivity behavior. Moreover, cupreous nanoparticles are relevant for

• be in the less polar alcohol phase. In contrast to this behavior, copper and iron were not exclusively in one of the phases, but rather in both. With this, copper and iron represent the turning point in which the phase preference swaps from the more polar to the less polar liquid. Copper showed a

• noble metals accumulating in the propylene carbonate phase, while base metals gather in the alcohol phase. The origin of this behavior is likely linked to the chemical composition of the nanoparticle surface. In earlier studies, nanoparticles of the more noble metals (gold, silver, and copper) formed by

Probing the potential of rare earth elements in the development of new anticancer drugs: single molecule studies

• Josiane A. D. Batista,
• Rayane M. de Oliveira,
• Carlos H. M. Lima,
• Milton L. Lana Júnior,
• Virgílio C. dos Anjos,
• Maria J. V. Bell and
• Márcio S. Rocha

Beilstein J. Nanotechnol. 2025, 16, 187–194, doi:10.3762/bjnano.16.15

• fact that some metals have been successfully used, or are being investigated, as components of chemotherapeutic drugs [9][10], especially platinum [11][12][13][14][15][16] or, alternatively, ruthenium [17], titanium [18], gold, and copper. Here we report the high potential of three rare earth elements

A review of metal-organic frameworks and polymers in mixed matrix membranes for CO₂ capture

• Charlotte Skjold Qvist Christensen,
• Nicholas Hansen,
• Mahboubeh Motadayen,
• Nina Lock,
• Martin Lahn Henriksen and
• Jonathan Quinson

Beilstein J. Nanotechnol. 2025, 16, 155–186, doi:10.3762/bjnano.16.14

• new additive materials more compatible with organic polymer membranes. In this search, MOFs were shown to be promising candidates. The first report on MOF-integrated MMMs was by Yehia et al. in 2004 [85]. In this pioneering work, the authors incorporated the MOF copper(II) biphenyl dicarboxylate

Precursor sticking coefficient determination from indented deposits fabricated by electron beam induced deposition

• Alexander Kuprava and
• Michael Huth

Beilstein J. Nanotechnol. 2025, 16, 35–43, doi:10.3762/bjnano.16.4

• , 15, 30, 35 and 40 °C using a self-made cryo-stage made from copper and equipped with a heater. The stage was cooled via a thick strand of copper wires connected to a Meissner trap cooled with liquid nitrogen. The temperature was controlled via a heating element inserted as an interface layer between

A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery

• Elina E. Mansurova,
• Andrey A. Maslennikov,
• Anna P. Lyubina,
• Alexandra D. Voloshina,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Anzhela A. Mikhailova,
• Polina V. Mikshina,
• Albina Y. Ziganshina and
• Igor S. Antipin

Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2

• electron microscopy (TEM) images were taken with a Libra 120 EFTEM (A Carl Zeiss SMT AG Company, Oberkochen, Carl Zeiss, Germany) at 100 kV. Samples were spread on a 300 mesh copper grid with a carbon/formvar support film. 1H and 13C NMR spectra were obtained using a Bruker Avance 600 spectrometer with an

Attempts to preserve and visualize protein corona on the surface of biological nanoparticles in blood serum using photomodification

• Julia E. Poletaeva,
• Anastasiya V. Tupitsyna,
• Alina E. Grigor’eva,
• Ilya S. Dovydenko and
• Elena I. Ryabchikova

Beilstein J. Nanotechnol. 2024, 15, 1654–1666, doi:10.3762/bjnano.15.130

• copper grids covered with formvar film. A drop of a sample was adsorbed for 1 min on a grid, excess of the liquid was removed by a pipette; then, the wet grid was placed on a drop of 0.5% aqueous uranyl acetate solution for 10 s, excess liquid was removed with filter paper. Grids were air-dried and

Fabrication of hafnium-based nanoparticles and nanostructures using picosecond laser ablation

• Abhishek Das,
• Mangababu Akkanaboina,
• Jagannath Rathod,
• R. Sai Prasad Goud,
• Kanaka Ravi Kumar,
• Raghu C. Reddy,
• Ratheesh Ravendran,
• Katia Vutova,
• S. V. S. Nageswara Rao and
• Venugopal Rao Soma

Beilstein J. Nanotechnol. 2024, 15, 1639–1653, doi:10.3762/bjnano.15.129

• techniques The synthesised NPs were drop-cast on carbon-coated copper grids to record transmission electron microscopy (TEM) images and selected area electron diffraction (SAED) patterns using a FEI Tecnai G2 S-Twin operating at 200 kV. Further, these NPs were drop-cast on cleaned Si substrates, and their

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

• with a NIST-grade metal standard including arsenic (As3+), aluminum (Al3+), cadmium (Cd2+), zinc (Zn2+), mercury (Hg2+), nickel (Ni2+), copper (Cu2+), chromium (Cr3+), iron (Fe3+), molybdenum (Mo2+), and lead (Pb2+) were acquired from CDH Fine Chemicals. The chemicals were used without further

Integrating high-performance computing, machine learning, data management workflows, and infrastructures for multiscale simulations and nanomaterials technologies

• Fabio Le Piane,
• Mario Vozza,
• Matteo Baldoni and
• Francesco Mercuri

Beilstein J. Nanotechnol. 2024, 15, 1498–1521, doi:10.3762/bjnano.15.119

• predictive analysis [71]. Moreover, it is tailored to the safe-by-design paradigm, making it an essential tool for future researches [72]. ASCOT (an acronym derived from Ag-Silver, Copper Oxide, Titanium Oxide) is a tool for the automated construction and optimization of molecular structures for, as the name

• suggests, silver, copper oxide, and titanium oxide [73]. ASCOT assists in the generation of high-quality digital twins of materials and the computation of relevant molecular descriptors. Nanotube Modeler is a software tool designed to create three-dimensional coordinates for various nanoscale carbon

Nanoarchitectonics with cetrimonium bromide on metal nanoparticles for linker-free detection of toxic metal ions and catalytic degradation of 4-nitrophenol

• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2024, 15, 1312–1332, doi:10.3762/bjnano.15.106

• -nitrophenol are both dangerous to humans [10][11]. Contamination with toxic heavy metal ions, including zinc, arsenic, aluminium, chromium, iron, cobalt, copper, nickel, mercury, cadmium, and lead, causes significant chronic damage to organ systems, beginning at the cellular level [12]. Toxic heavy metal ions

• also leads to undesirable side effects such as iron overload (hemochromatosis) and acute iron poisoning [14]. Similarly, other metals, including copper and cobalt, significantly damage different body parts above a threshold limit. Heavy metal ions pose a severe risk to human and environmental health

• chemicals, Finar and SRL chemicals, respectively. National Institute of Standard and Technology grade metal standards (1000 ppm) of arsenic (As3+), aluminum (Al3+), cadmium (Cd2+), zinc (Zn2+), mercury (Hg2+), nickel (Ni2+), copper (Cu2+), chromium (Cr3+), lead (Pb2+), iron (Fe3+), and cobalt (Co2+) were

Interaction of graphene oxide with tannic acid: computational modeling and toxicity mitigation in C. elegans

• Romana Petry,
• James M. de Almeida,
• Francine Côa,
• Felipe Crasto de Lima,
• Diego Stéfani T. Martinez and
• Adalberto Fazzio

Beilstein J. Nanotechnol. 2024, 15, 1297–1311, doi:10.3762/bjnano.15.105

• , and catalase [61]. Besides that, the metal chelating properties of TA may influence oxidative pathways dependent of these cofactors, such as Fenton’s reaction and copper-mediated formation of free radicals. TA may also act as direct radical scavenger in these reactions [65][66][67][68]. Moreover, TA

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

• ), SiO2NPs-ZW-NH2 (with ZW + APTES), and SiO2NPs-ZW-FO (with ZW + APTES + folate). Characterization of SiO2NPs Scanning electron microscopy (SEM) micrographs were obtained in a high-resolution FEI Inspect F50 microscope. A NP suspension (7 μL) was deposited directly onto a copper substrate, dried, and

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

• , iron oxide, copper sulfide), and rare earth-based usNPs (cerium oxide, gadolinium oxide) [22]. Ultrasmall NPs have dimensions comparable to those of a typical globular protein of 3 to 6 nm in diameter [22][25], although the precise size criteria can vary among researchers. For the purpose of this