Photochemical synthesis of silver nanoprisms via green LED irradiation and evaluation of SERS activity

• Tuan Anh Mai-Ngoc,
• Nhi Kieu Vo,
• Cong Danh Nguyen,
• Thi Kim Xuan Nguyen and
• Thanh Sinh Do

Beilstein J. Nanotechnol. 2025, 16, 1417–1427, doi:10.3762/bjnano.16.103

• (TEM, JEM-1400, Japan). For TEM analysis, a droplet of the nanoparticle dispersion was deposited onto a 3 mm copper grid and allowed to dry at room temperature. For FESEM analysis, the dried sample was mounted on conductive carbon tape and imaged at an accelerating voltage of 10 kV. TEM imaging was

Parylene-coated platinum nanowire electrodes for biomolecular sensing applications

• Chao Liu,
• Peker Milas,
• Michael G. Spencer and
• Birol Ozturk

Beilstein J. Nanotechnol. 2025, 16, 1392–1400, doi:10.3762/bjnano.16.101

• . developed a glucose sensor using copper nanowires and CNTs, achieving a limit of detection as low as 0.3 nM, highlighting the remarkable sensitivity of CNT-based electrodes [9]. Nevertheless, several studies reported the toxicity of CNTs for tissues and cells including loss of cellular integrity, DNA damage

• , which can be coated with parylene-C polymer and the tip can be exposed by a focused laser beam. An electrochemical copper deposition test was performed to verify that the platinum electrode was fully exposed after evaporation of the parylene-C polymer at the tip. The test also demonstrated that the

• remaining parylene-C polymer on the rest of the electrode acted as an insulator. As shown in Figure 2a, a copper nodule was observed on the tip of the nanowire. Copper deposition on the tungsten metal part after parylene deposition and laser evaporation indicated that the parylene insulation was not

Synthesis and antibacterial properties of nanosilver-modified cellulose triacetate membranes for seawater desalination

• Lei Wang,
• Shizhe Li,
• Kexin Xu,
• Wenjun Li,
• Ying Li and
• Gang Liu

Beilstein J. Nanotechnol. 2025, 16, 1380–1391, doi:10.3762/bjnano.16.100

• PAN nanofibers, enhancing the hydrophilicity and antibacterial properties of the membrane [20]. Elimelech’s group introduced copper nanoparticles (Cu NPs) onto the surface of thin-film composite (TFC) polyamide RO membranes through a method involving electrostatic functionalization. The functionalized

Enhancing the therapeutical potential of metalloantibiotics using nano-based delivery systems

• Alejandro Llamedo,
• Marina Cano,
• Raquel G. Soengas and
• Francisco J. García-Alonso

Beilstein J. Nanotechnol. 2025, 16, 1350–1366, doi:10.3762/bjnano.16.98

• drugs. Copper complexes Copper complexes have garnered attention due to their diverse applications, owing to their antioxidant, antiviral, antibacterial and anticancer properties [114]. Many studies attribute the antibacterial activity of copper to its capacity to release ions that can disrupt bacterial

• cell membranes. Following membrane degradation, copper-released ions penetrate into the bacterial cell causing oxidative stress by production of ROS and subsequent degradation of the DNA [114][115]. Recent research has focused on the antibacterial properties of copper complexes derived from quinolones

• [116]. These complexes are recognized for their interaction with DNA gyrase enzymes like topoisomerases I and II, inhibiting their normal function and converting them into DNA-damaging agents. Ternary complexes of fluoroquinolones, copper(II), and phenanthroline have been developed to address bacterial

Wavelength-dependent correlation of LIPSS periodicity and laser penetration depth in stainless steel

• Nitin Chaudhary,
• Chavan Akash Naik,
• Shilpa Mangalassery,
• Jai Prakash Gautam and
• Sri Ram Gopal Naraharisetty

Beilstein J. Nanotechnol. 2025, 16, 1302–1315, doi:10.3762/bjnano.16.95

• on the laser intensity. In the linear regime, pure metals such as copper, aluminum, and silver, which have low electrical resistivity, exhibit a low penetration depth for EM waves. In contrast, composite alloys such as stainless steel have higher resistivity and show a higher penetration depth than

Chitosan nanocomposite containing rotenoids: an alternative bioinsecticidal approach for the management of Aedes aegypti

• Maria A. A. Bertonceli,
• Vitor D. C. Cristo,
• Ivo J. Vieira,
• Francisco J. A. Lemos,
• Arnoldo R. Façanha,
• Raimundo Braz-Filho,
• Gustavo V. T. Batista,
• Luis G. M. Basso,
• Sérgio H. Seabra,
• Thalya S. R. Nogueira,
• Felipe F. Moreira,
• Arícia L. E. M. Assis,
• Antônia E. A. Oliveira and
• Kátia V. S. Fernandes

Beilstein J. Nanotechnol. 2025, 16, 1197–1208, doi:10.3762/bjnano.16.88

• the nanocomposite to reduce potential environmental damage, such as those reported in the literature for some metal-decorated nanomaterials and their derivatives (silver, gold, copper, zinc, titanium, and silicon) that can be highly toxic to non-target organisms in the environment [18]. The

Mechanical stability of individual bacterial cells under different osmotic pressure conditions: a nanoindentation study of Pseudomonas aeruginosa

• Lizeth García-Torres,
• Idania De Alba Montero,
• Eleazar Samuel Kolosovas-Machuca,
• Facundo Ruiz,
• Sumati Bhatia,
• Jose Luis Cuellar Camacho and
• Jaime Ruiz-García

Beilstein J. Nanotechnol. 2025, 16, 1171–1183, doi:10.3762/bjnano.16.86

• proposed [25][26][27][28][29][30][31][32]. Likewise, the application of silver and copper nanoparticles to block these molecular pores has been reported for PA and other bacteria as well [33][34][35][36][37]. In the latter cases, a direct consequence of this highly controlled membrane permeability is that

Crystalline and amorphous structure selectivity of ignoble high-entropy alloy nanoparticles during laser ablation in organic liquids is set by pulse duration

• Robert Stuckert,
• Felix Pohl,
• Oleg Prymak,
• Ulrich Schürmann,
• Christoph Rehbock,
• Lorenz Kienle and
• Stephan Barcikowski

Beilstein J. Nanotechnol. 2025, 16, 1141–1159, doi:10.3762/bjnano.16.84

Time-resolved probing of laser-induced nanostructuring processes in liquids

• Maximilian Spellauge,
• David Redka,
• Mianzhen Mo,
• Changyong Song,
• Heinz Paul Huber and
• Anton Plech

Beilstein J. Nanotechnol. 2025, 16, 968–1002, doi:10.3762/bjnano.16.74

Heat-induced transformation of nickel-coated polycrystalline diamond film studied in situ by XPS and NEXAFS

• Olga V. Sedelnikova,
• Yuliya V. Fedoseeva,
• Dmitriy V. Gorodetskiy,
• Yuri N. Palyanov,
• Elena V. Shlyakhova,
• Eugene A. Maksimovskiy,
• Anna A. Makarova,
• Lyubov G. Bulusheva and
• Aleksandr V. Okotrub

Beilstein J. Nanotechnol. 2025, 16, 887–898, doi:10.3762/bjnano.16.67

• coating of diamond surface with a metal catalyst has been explored to reduce the temperatures required for the initiation of the graphitization process. Nickel [17][18][19][20][21][22][23][24], iron [25][26][27][28], copper [29][30], gallium [31], and molybdenum [32] allow the fabrication of graphene-on

Synchrotron X-ray photoelectron spectroscopy study of sodium adsorption on vertically arranged MoS₂ layers coated with pyrolytic carbon

• Alexander V. Okotrub,
• Anastasiya D. Fedorenko,
• Anna A. Makarova,
• Veronica S. Sulyaeva,
• Yuliya V. Fedoseeva and
• Lyubov G. Bulusheva

Beilstein J. Nanotechnol. 2025, 16, 847–859, doi:10.3762/bjnano.16.64

• more crystallized structure, the MoS2 film was annealed in H2 atmosphere at 1073 K for 10 min. PyC films were grown on copper foil at 1273 K for 20 min using low-pressure CVD of methane mixed with hydrogen. The CH4 pressure was 800 Pa, and the H2 pressure was 2000 Pa. The resulting sample was placed in

• an aqueous solution of iron chloride (30 wt %) for 2 h to dissolve the copper foil. The remaining free PyC film was washed twice in dilute HCl (10 wt %) and then in deionized water until neutral pH was reached. The floating PyC film was trapped either on bare or MoS2-covered SiO2/Si substrates and

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