Ultrathin water layers on mannosylated gold nanoparticles

• Maiara A. Iriarte Alonso,
• Jorge H. Melillo,
• Silvina Cerveny,
• Yujin Tong and
• Alexander M. Bittner

Beilstein J. Nanotechnol. 2025, 16, 2183–2198, doi:10.3762/bjnano.16.151

• sonication for 10 min. UV/ozone cleaning was applied to remove any possible hydrocarbon contamination, and the VSFG spectrum of washed gold was used as reference to normalize the non-flat infrared power distribution, similar to FTIR recording. About 10 µL of the sample was drop-cast on the surface and

Microplastic pollution in Himalayan lakes: assessment, risks, and sustainable remediation strategies

• Sameeksha Rawat,
• S. M. Tauseef and
• Madhuben Sharma

Beilstein J. Nanotechnol. 2025, 16, 2144–2167, doi:10.3762/bjnano.16.148

• Sameeksha Rawat S. M. Tauseef Madhuben Sharma Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand, India Research & Development, UPES, Dehradun, Uttarakhand, India 10.3762/bjnano.16.148 Abstract Microplastic contamination is a newly emerging environmental problem

• application of nanomaterials for microplastic removal is elaborated in detail, and case studies validated their effectiveness, especially in cold environments with strong UV irradiation. In the face of increasing worldwide research into microplastic contamination, there remains a huge knowledge gap concerning

• to freshwater cold-climate ecosystems. This contribution serves to address the imperative of adopting multidisciplinary research, region-specific remedial measures, and judicious estimation of microplastic contamination of high-altitude lakes through by describing research gaps. It distills the

Quality by design optimization of microemulsions for topical delivery of Passiflora setacea seed oil

• Daniel T. Pereira,
• Douglas Dourado,
• Danielle T. Freire,
• Dayanne L. Porto,
• Cícero F. S. Aragão,
• Myla L. de Souza,
• Guilherme R. S. de Araujo,
• Ana Maria Costa,
• Wógenes N. Oliveira,
• Anne Sapin-Minet,
• Éverton N. Alencar and
• Eryvaldo Sócrates T. Egito

Beilstein J. Nanotechnol. 2025, 16, 2116–2131, doi:10.3762/bjnano.16.146

• (0.45 µm), and stored under refrigerated conditions (4 ± 2 °C) in amber glass bottles to preserve its quality and minimize oxidative degradation and microbiological contamination. The extraction yield aligns with values reported in the literature for the same species, which range from ≈32% with ethyl

• issue in emulsified systems is microbial contamination, which can result in physical and chemical instability, such as pH shifts, turbidity, degradation of active components (e.g., fatty acids), and phase separation [35]. To address these challenges and improve topical suitability, additional excipients

• such as chemical degradation and microbial contamination. These processes can compromise the thermodynamic stability and overall performance of the system [6]. Thermal analysis The thermal characteristics of the formulations were also evaluated (Figure 9). The thermograms revealed no evidence of

Evaluating metal-organic precursors for focused ion beam-induced deposition through solid-layer decomposition analysis

• Benedykt R. Jany,
• Katarzyna Madajska,
• Aleksandra Butrymowicz-Kubiak,
• Franciszek Krok and
• Iwona B. Szymańska

Beilstein J. Nanotechnol. 2025, 16, 1942–1951, doi:10.3762/bjnano.16.135

• . EIMS reveals how ligands respond to electron irradiation; simple molecules such as CO and CO2 detach cleanly, making them “favorable” in FEBID. In contrast, anionic or polyhapto ligands, such as cyclopentadienyl (Cp) or allyl fragments, readily fragment form CxHy matrices, leading to film contamination

On the road to sustainability – application of metallic nanoparticles obtained by green synthesis in dentistry: a scoping review

• Lorena Pinheiro Vasconcelos Silva,
• Joice Catiane Soares Martins,
• Israel Luís Carvalho Diniz,
• Júlio Abreu Miranda,
• Danilo Rodrigues de Souza,
• Éverton do Nascimento Alencar,
• Moan Jéfter Fernandes Costa and
• Pedro Henrique Sette-de-Souza

Beilstein J. Nanotechnol. 2025, 16, 1851–1862, doi:10.3762/bjnano.16.128

• also hold promise in regenerative dentistry. Incorporated into scaffolds, membranes, and hydrogels, they have demonstrated the ability to enhance osteogenesis and angiogenesis while simultaneously reducing microbial contamination [19]. These multifunctional biomaterials not only support bone and

Current status of using adsorbent nanomaterials for removing microplastics from water supply systems: a mini review

• Nguyen Thi Nhan and
• Tran Le Luu

Beilstein J. Nanotechnol. 2025, 16, 1837–1850, doi:10.3762/bjnano.16.127

• Nguyen Thi Nhan Tran Le Luu Master Program in Water Technology, Reuse and Management, Vietnamese German University, Ho Chi Minh City, Vietnam 10.3762/bjnano.16.127 Abstract The widespread use of plastic has led to microplastics (MPs) being released in many water sources. MP contamination in water

• (0.01 particles·L−1). Results suggest that some particles were related to maintenance activities, while pipes and infrastructure did not significantly contribute to MP contamination [37]. Many studies have reported different results, with MP concentrations in tap water ranging from 1 to 61,000

• may generate secondary pollutants, contributing to environmental contamination [49][113]. Exposure to nanomaterials can occur through release into the environment during synthesis, application, or disposal [114]. Such exposure poses potential risks not only to human health, but also to the environment

Nanotechnology-based approaches for the removal of microplastics from wastewater: a comprehensive review

• Nayanathara O Sanjeev,
• Manjunath Singanodi Vallabha and
• Rebekah Rubidha Lisha Rabi

Beilstein J. Nanotechnol. 2025, 16, 1607–1632, doi:10.3762/bjnano.16.114

• of these contaminants includes airborne particles introduced during food processing or handling, degradation of plastic packaging, and, most significantly, contamination from polluted freshwater sources [13]. Primary, secondary, and tertiary treatment methods have been explored to mitigate MP

• contamination. Meanwhile, a more sustainable solution remains essential for the future. In recent years, extensive research has focused on several processing technologies, including coagulation, advanced oxidation processes, microbial degradation, membrane bioreactor, rapid sand filtration, and dissolved air

• explores the potential of nanotechnology in removing MP contamination from water and wastewater. Unlike conventional treatment methods, which are less effective in capturing nanoscale plastic pollutants, nanotechnology-based approaches offer precision, enhanced adsorption, and catalytic degradation

Photocatalytic degradation of ofloxacin in water assisted by TiO₂ nanowires on carbon cloth: contributions of H₂O₂ addition and substrate absorbability

• Iram Hussain,
• Lisha Zhang,
• Zhizhen Ye and
• Jin-Ming Wu

Beilstein J. Nanotechnol. 2025, 16, 1567–1579, doi:10.3762/bjnano.16.111

• and contamination of aquatic environments. Studies have reported OFL concentrations in surface waters ranging from 0.05 to 17.7 μg/L, posing a potential risk to aquatic organisms and disrupting ecosystem balance [4][5]. Therefore, OFL removal from water is an important issue in environmental science

Dendrimer-modified carbon nanotubes for the removal and recovery of heavy metal ions from water

• Thao Quynh Ngan Tran,
• Huu Trung Nguyen,
• Subodh Kumar and
• Xuan Thang Cao

Beilstein J. Nanotechnol. 2025, 16, 1522–1532, doi:10.3762/bjnano.16.107

• involvement of harmful chemicals to pre-functionalize the CNTs with high loading but also provided an effective way to enhance the adsorption of heavy metal ions. Keywords: carbon nanotubes; deep eutectic solvent; dendrimers; Diels–Alder reaction; heavy metal ion adsorption; Introduction The contamination

• metal contamination. Consequently, the efficient removal of heavy metal ions remains a critical research challenge. Various methods have been employed including membrane filtration [1], flocculation [2], adsorption [3][4], precipitation [5], electrolytic removal [6], ion exchange [7], reduction [8], and

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

• Akshana Parameswaran Sreekala,
• Pooja Raveendran Nair,
• Jithin Kundalam Kadavath,
• Bindu Krishnan,
• David Avellaneda Avellaneda,
• M. R. Anantharaman and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

The role of biochar in combating microplastic pollution: a bibliometric analysis in environmental contexts

• Tuan Minh Truong Dang,
• Thao Thu Thi Huynh,
• Guo-Ping Chang-Chien and
• Ha Manh Bui

Beilstein J. Nanotechnol. 2025, 16, 1401–1416, doi:10.3762/bjnano.16.102

• yields by 30–81%, even under high MP contamination levels (up to five times that of biochar-modified bacteria). Additionally, biochar enhances Olsen-P availability by 46.6%, increases soil organic carbon in microaggregates by 35.7%, and reduces antibiotic resistance genes by promoting beneficial microbes

• Indore City, India [9]. MP contamination extends to water bodies, where seasonal variations influence the distribution of MPs. In South African rivers such as Crocodile and Luvuvhu, MP concentrations in water were higher during the dry season (5.4 particles/L) than in the wet season (3.3–4.3 particles/L

• ), while sediment contamination was more severe during the wet season, with contamination factors categorized as “very high” (15.6) in wet periods and “high” (4.9) in dry periods [10]. Similarly, effluent from wastewater treatment plants contained 192 particles/L for 2 µm MPs and 323 particles/L for 10 µm

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

• membrane surface, significantly reduces the efficiency of water production [16]. Therefore, there is an urgent need to enhance membrane properties to achieve both high permeability and high selectivity while improving resistance to biological contamination. Antibacterial nanomaterials have garnered

• significant attention for their ability to enhance the antibacterial properties of membrane materials, effectively addressing critical issues such as biofouling and microbial contamination in water treatment systems. These nanomaterials, characterized by their high surface area-to-volume ratio, tunable

• silver nanoparticles. Conclusion To address the issue of microbial contamination in desalination membranes, we have developed an antibacterial Ag@PCTA membrane. Utilizing the catechol and nitrogen-containing groups in PDA as both crosslinking and reducing agents, we successfully introduced antimicrobial

Functional bio-packaging enhanced with nanocellulose from rice straw and cinnamon essential oil Pickering emulsion for fruit preservation

• Tuyen B. Ly,
• Duong D. T. Nguyen,
• Hieu D. Nguyen,
• Yen T. H. Nguyen,
• Bup T. A. Bui,
• Kien A. Le and
• Phung K. Le

Beilstein J. Nanotechnol. 2025, 16, 1234–1245, doi:10.3762/bjnano.16.91

• fruit that is highly susceptible to microbial contamination and mold growth [39] to highlight its potential to extend shelf life and improve postharvest quality. The findings indicate that this bioactive film could serve as an effective alternative to conventional packaging, offering both sustainability

• chosen for this study. Unripe strawberries, slightly green in color, were selected and soaked in 80% ethanol to eliminate potential microbial contamination on the outer surface before storage. The strawberries were wrapped in a layer of biopackaging and stored under the same refrigeration conditions at

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

• contamination is always present, and also because the sensitive nature of the intermolecular forces during the measuring conditions (pH, ionic strength, temperature, etc.) can easily affect their magnitude. This was reflected in the obtained adhesion maps (see Figures S5 and S6 of Supporting Information File 1

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

Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy

• Eric Lieberwirth,
• Anja Schaeper,
• Regina Lange,
• Ingo Barke,
• Simone Baltrusch and
• Sylvia Speller

Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73

• and increasing medium contamination. This appears to be an active mitochondrial response to the measurement process. We propose that the mitochondrion’s morphodynamic reaction is driven by its misinterpretation of the nanopipette as a microtubule due to shared physical properties, with the electric

• demonstrate the quality of mitochondria of both isolation methods. (c) A minor signal for glyceraldehyde-3-phosphate dehydrogenase (GAPDH) shows low contamination by cytosolic proteins. False-colour topographies and statistical analyses to illustrate the geometric properties of metabolically active

Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline

• Sabina Lewińska,
• Pavlo Aleshkevych,
• Roman Minikayev,
• Anna Bajorek,
• Mateusz Dulski,
• Krystian Prusik,
• Tomasz Wojciechowski and
• Anna Ślawska-Waniewska

Beilstein J. Nanotechnol. 2025, 16, 762–784, doi:10.3762/bjnano.16.59

• the dissolution time. Electron paramagnetic resonance (EPR) studies performed on the completely dissolved sample revealed that some of the Fe3+ ions became paramagnetic, while the rest remained exchange coupled into clusters. The nonintentional manganese contamination was determined using EPR in the

• contamination from physiological saline, which was also proved by the XRD results. In Figure 11, for all the distinguished states, the high-resolution XPS measurements were performed, the results of which will be further analyzed. Figure 12 presents the spectra for FS0, while the results obtained for FST, due

Thickness dependent oxidation in CrCl₃: a scanning X-ray photoemission and Kelvin probe microscopies study

• Shafaq Kazim,
• Rahul Parmar,
• Maryam Azizinia,
• Matteo Amati,
• Muhammad Rauf,
• Andrea Di Cicco,
• Seyed Javid Rezvani,
• Dario Mastrippolito,
• Luca Ottaviano,
• Tomasz Klimczuk,
• Luca Gregoratti and
• Roberto Gunnella

Beilstein J. Nanotechnol. 2025, 16, 749–761, doi:10.3762/bjnano.16.58

• -defective or O/CrCl3 surface structure [36][10]. Similarly to what was highlighted by the SPEM measurements, both measurements being surface-sensitive, the counter-intuitive finding of a lower degree of oxygen contamination is corroborating the conclusion that this behavior is a general trend for this

Synthesis of a multicomponent cellulose-based adsorbent for tetracycline removal from aquaculture water

• Uyen Bao Tran,
• Ngoc Thanh Vo-Tran,
• Khai The Truong,
• Dat Anh Nguyen,
• Quang Nhat Tran,
• Huu-Quang Nguyen,
• Jaebeom Lee and
• Hai Son Truong-Lam

Beilstein J. Nanotechnol. 2025, 16, 728–739, doi:10.3762/bjnano.16.56

• , Chungnam National University, Daejeon 34134, Republic of Korea 10.3762/bjnano.16.56 Abstract Excessive use of tetracycline (TC) antibiotics in aquaculture, particularly in Vietnam, has contributed to environmental contamination and economic losses. To address this problem, we developed a novel cellulose

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

• 30, Hannover 30167, Germany 10.3762/bjnano.16.55 Abstract Nutraceuticals provide health benefits and particularly profit from a sensitive, high-purity production process. Microparticle laser fragmentation in liquids is an emerging technique for the contamination-free comminution of organic drugs and

• pharmaceutical ingredients (APIs), a contamination-free and degradation-free manufacturing process must be ensured, which requires fine-tuning of the laser parameters. Meunier et al. reported that successful NP generation of megestrol acetate [39], paclitaxel [40], beclomethasone dipropionate [41], naproxen, and

• LFL is an emerging field in the contamination- and degradation-free comminution of organic MPs to SMPs and NPs, aiming at an increase in the specific surface area and a corresponding solubility enhancement to improve the oral resorption of poorly bioavailable drugs such as naproxen, prednisolone

The impact of tris(pentafluorophenyl)borane hole transport layer doping on interfacial charge extraction and recombination

• Konstantinos Bidinakis and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 678–689, doi:10.3762/bjnano.16.52

• ). Since argon is inert and the process occurs under vacuum, we minimized the possibility for chemical contamination of our solar cells. Kelvin probe force microscopy Mapping the surface potential of the samples was conducted via an Asylum Research MFP3D microscope (Oxford Instruments) and an HF2LI-MOD

Electron beam-based direct writing of nanostructures using a palladium β-ketoesterate complex

• Chinmai Sai Jureddy,
• Krzysztof Maćkosz,
• Aleksandra Butrymowicz-Kubiak,
• Iwona B. Szymańska,
• Patrik Hoffmann and
• Ivo Utke

Beilstein J. Nanotechnol. 2025, 16, 530–539, doi:10.3762/bjnano.16.41

• nanostructure and composition of the deposits were determined, and possible volatile products produced under electron-induced dissociation, explaining the composition, are investigated. A method to eliminate the residual gas contamination during FEBID was implemented. [Pd(tbaoac)2] contains large organic

• . Of note is that we also performed a subtraction of the carbon contribution due to co-deposition from residual hydrocarbons, see details in Supporting Information File 1, section S5. Briefly, under our high-vacuum conditions, residual hydrocarbon gases lead to contamination deposits during both FEBID

• calculated from their known weight percentages. Finally, the numbers of C and O atoms of the residual gas contribution are subtracted from those of the main FEB deposit from Pd precursor gas. This gives the contamination-corrected atomic percentages obtained by electron beam-induced deposition of the

N₂⁺-implantation-induced tailoring of structural, morphological, optical, and electrical characteristics of sputtered molybdenum thin films

• Usha Rani,
• Kafi Devi,
• Divya Gupta and
• Sanjeev Aggarwal

Beilstein J. Nanotechnol. 2025, 16, 495–509, doi:10.3762/bjnano.16.38

• minimizing the reflected power. Before deposition, the target surface was pre-sputtered for 15 min to remove any surface contamination. The silicon substrates were meticulously cleaned by washing them with distilled water and isopropyl alcohol and rinsing them with acetone. The vacuum chamber was evacuated

Biomimetics and bioinspired surfaces: from nature to theory and applications

• Rhainer Guillermo Ferreira,
• Thies H. Büscher,
• Manuela Rebora,
• Poramate Manoonpong,
• Zhendong Dai and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2025, 16, 418–421, doi:10.3762/bjnano.16.32

• technology and new insights into the future of this field of research. Striking advance has been made regarding the study of surfaces on biological models, especially insects. For instance, insect attachment devices and adhesive secretions were thoroughly studied regarding the impact of contamination [2] and

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

• SDS detection. This rapid colorimetric response, coupled with the specificity and selectivity of the system, highlights the potential of the PEG–PCL nanoparticle-based method as a robust tool for environmental monitoring and analysis of SDS contamination. The simplicity of visual detection, alongside

• /mL, respectively (Figure 6d). These values indicate the sensitivity of the detection system, with the ability to detect even low concentrations of SDS, making it suitable for environmental monitoring applications where low contamination levels must be detected. Furthermore, the performance of the PEG

• monitoring of SDS contamination in various sources. The developed method offers several key advantages: it is simple, rapid, cost-effective, and it has high stability. These findings highlight the potential of this method for SDS detection from different sources, providing a valuable tool for routine