Electromagnetic study of a split-ring resonator metamaterial with cold-electron bolometers

• Ekaterina A. Matrozova,
• Alexander V. Chiginev,
• Leonid S. Revin and
• Andrey L. Pankratov

Beilstein J. Nanotechnol. 2025, 16, 2199–2206, doi:10.3762/bjnano.16.152

• thickness (or by stacking and bonding multiple thinner substrates), or by employing a lens with a pedestal structure. Discussion Solving the problem of broadband high-sensitivity reception for terahertz applications naturally entails comparing the metamaterial-based approach presented here with traditional

• constructing ultrabroadband, high-sensitivity receivers essential for next-generation spectroscopic and radioastronomical applications, particularly in demanding space and balloon-borne environments. One more important potential application for such broadband receiving system is the use for axion search

Multifrequency AFM integrating PeakForce tapping and higher eigenmodes for heterogeneous surface characterization

• Yanping Wei,
• Jiafeng Shen,
• Yirong Yao,
• Xuke Li,
• Ming Li and
• Peiling Ke

Beilstein J. Nanotechnol. 2025, 16, 2077–2085, doi:10.3762/bjnano.16.142

• these different areas (see Supporting Information File 1, Figure S2). Mechanistic insights and operational advantages The material contrast generated by the superposed eigenmode phase originates from the cantilever’s high sensitivity to the gradient of tip–sample interactions and energy dissipation

Laser ablation in liquids for shape-tailored synthesis of nanomaterials: status and challenges

• Natalie Tarasenka

Beilstein J. Nanotechnol. 2025, 16, 1963–1997, doi:10.3762/bjnano.16.137

• enlarged aggregates were observed. The changes in the structure were observed even at slightly elevated temperatures (35 °C), which indicates high sensitivity of the growth mechanisms to temperature increase. A similar effect has been shown by Haram et al. in [47], who observed formation of Ag and Au

Quantum circuits with SINIS structures

• Mikhail Tarasov,
• Mikhail Fominskii,
• Aleksandra Gunbina,
• Artem Krasilnikov,
• Maria Mansfeld,
• Dmitrii Kukushkin,
• Andrei Maruhno,
• Valeria Ievleva,
• Mikhail Strelkov,
• Daniil Zhogov,
• Konstantin Arutyunov,
• Vyacheslav Vdovin,
• Vladislav Stolyarov and
• Valerian Edelman

Beilstein J. Nanotechnol. 2025, 16, 1931–1941, doi:10.3762/bjnano.16.134

• in sorption 3He cryostat at 0.33 K, Figure 2b. The relatively low value of the resistance ratio (Rd/Rn – dynamic resistance/normal resistance) is associated with the high sensitivity of the interferometer to external noise. NIS thermometers The I–V characteristic and dynamic resistance of the NIS

Advances of aptamers in esophageal cancer diagnosis, treatment and drug delivery

• Yang Fei,
• Hui Xu,
• Chunwei Zhang,
• Jingjing Wang and
• Yong Jin

Beilstein J. Nanotechnol. 2025, 16, 1734–1750, doi:10.3762/bjnano.16.121

• disease progression, primarily encompassing proteins, nucleic acids, metabolites, and cellular components [44]. To be clinically relevant, these markers must demonstrate both high sensitivity and specificity, enabling robust diagnostic and prognostic capabilities. Most biosensors for cancer detection use

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

Electronic and optical properties of chloropicrin adsorbed ZnS nanotubes: first principle analysis

• Prakash Yadav,
• Boddepalli SanthiBhushan and
• Anurag Srivastava

Beilstein J. Nanotechnol. 2025, 16, 1184–1196, doi:10.3762/bjnano.16.87

• redshifts observed in the visible range for CP-adsorbed ZnS NTs highlight the tunability of their optical properties, particularly in Orientation A, which exhibits the strongest response. Such behavior demonstrates the suitability of ZnS NTs as optical sensors capable of detecting CP molecules with high

• sensitivity and specificity. The optical conductivity spectra illustrated in Figure 6 of pristine ZnS NTs and CP-adsorbed ZnS N at orientations A, B, C, and D reveal significant orientation-dependent variations due to CP adsorption. Pristine ZnS NTs exhibit a dominant peak in the real part (σ1(ω)) at ≈395 nm

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

• combination of rice-like shaped particles with sphere-like particles as in FDMF spin-coated films (in our case) are intriguing because the rice-shaped NPs probably have a less dense capping layer at the sharp apex, which makes carrier transfer easier [61]. Due to their benefits of high sensitivity, device

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

• infrared spectra of FS0 and FST provide meaningful insights into their structural characteristics, with a high sensitivity to subtle changes in their composition. These spectra prominently highlight the distinctive cellulose-band arrangement, featuring well-defined bands associated with internal

Functionalized gold nanoflowers on carbon screen-printed electrodes: an electrochemical platform for biosensing hemagglutinin protein of influenza A H1N1 virus

• Carlos Enrique Torres-Méndez,
• Sharmilee Nandi,
• Klara Martinovic,
• Patrizia Kühne,
• Yifan Liu,
• Sam Taylor,
• Maria Lysandrou,
• Maria Ines Berrojo Romeyro Mascarenhas,
• Viktoria Langwallner,
• Javier Enrique Sebastián Alonso,
• Ivana Jovanovic,
• Maike Lüftner,
• Georgia-Vasiliki Gkountana,
• David Bern,
• Abdul-Raouf Atif,
• Ehsan Manouchehri Doulabi,
• Gemma Mestres and
• Masood Kamali-Moghaddam

Beilstein J. Nanotechnol. 2025, 16, 540–550, doi:10.3762/bjnano.16.42

• emergence of future pandemics. Recently, molecular methods capable of detecting viral pathogens have gained more attention because of their inherent high sensitivity and specificity compared to conventional methods. Among these methods, nucleic acid amplification assays such as reverse transcriptase

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

• curve was obtained by graphing the magnitude of peak current data as a function of concentration (Figure 12b). The prepared lead sensor demonstrates a high sensitivity of 16 µA·ppm−1·cm−2, as determined by dividing the slope of the standard curve with the surface area of the modified electrode. The

• lead sensor had a high sensitivity of 16 µA·ppm−1·cm−2, along with a detection limit of 3 ppm. Additionally, it demonstrated a response time of less than 2 s. This sensor is most suitable for applications that necessitate cost-effectiveness, rapid readings, and data collection in the field or at the

• electron mediator for creating a lead electrochemical sensor with high sensitivity. In order to coat the Ag@ZnO NRs, a mixture of 1 mg of as-produced nanorods was mixed in 10 mL of ethanol and sonicated for 30 min. This 4 µL mixture was then applied to the cylindrical gold electrode of 2 mm diameter and

ReactorAFM/STM – dynamic reactions on surfaces at elevated temperature and atmospheric pressure

• Tycho Roorda,
• Hamed Achour,
• Matthijs A. van Spronsen,
• Marta E. Cañas-Ventura,
• Sander B. Roobol,
• Willem Onderwaater,
• Mirthe Bergman,
• Peter van der Tuijn,
• Gertjan van Baarle,
• Johan W. Bakker,
• Joost W. M. Frenken and
• Irene M. N. Groot

Beilstein J. Nanotechnol. 2025, 16, 397–406, doi:10.3762/bjnano.16.30

• our AFM/STM scanner incorporates a third-generation QTF in a qPlus configuration with one prong fixed and the other one carrying a metallic tip positioned at the very end [17]. The main reasons for employing this kind of sensor are its very high sensitivity to short-range forces, simultaneous

Recent advances in photothermal nanomaterials for ophthalmic applications

• Jiayuan Zhuang,
• Linhui Jia,
• Chenghao Li,
• Rui Yang,
• Jiapeng Wang,
• Wen-an Wang,
• Heng Zhou and
• Xiangxia Luo

Beilstein J. Nanotechnol. 2025, 16, 195–215, doi:10.3762/bjnano.16.16

• ), fluorescence imaging (FI), scanning laser ophthalmoscopy (SLO), and fundus photography have significantly changed the diagnosis and monitoring of ocular diseases [174][175][176]. OCT is the most prevalent ophthalmic imaging technique, providing high-resolution and high-sensitivity imaging; however, the test

Modeling and simulation of carbon-nanocomposite-based gas sensors

• Roopa Hegde,
• Punya Prabha V,
• Shipra Upadhyay and
• Krishna S B

Beilstein J. Nanotechnol. 2025, 16, 90–96, doi:10.3762/bjnano.16.9

• showed high sensitivity towards strong electron-withdrawing molecules for NO2 gas detection [10]. To simulate gas adsorption in COMSOL Multiphysics for a gas sensor, several adsorption models can be employed depending on the physical and chemical behavior of the sensor. Commonly used models include the

Direct electron beam writing of silver using a β-diketonate precursor: first insights

• Katja Höflich,
• Krzysztof Maćkosz,
• Chinmai S. Jureddy,
• Aleksei Tsarapkin and
• Ivo Utke

Beilstein J. Nanotechnol. 2024, 15, 1117–1124, doi:10.3762/bjnano.15.90

• very high sensitivity with respect to electron beam impact are observed during dissociation with the weakly focused beam of a thermal electron emitter. However, for the first time, sufficient vertical growth rates in combination with high fidelity were achieved for a tightly focused electron beam

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

• , Cairo 11727, Egypt Anastro Laboratory, Institute of Basic Science, Changwon National University, Changwon 51140, Republic of Korea 10.3762/bjnano.15.88 Abstract Sensors are applied to many fields nowadays because of their high sensitivity, low cost, time-saving, user-friendly, and excellent selectivity

• nanoparticles for metal sensing has gained significant interest among researchers and scientists [106]. Nanoparticles offer several advantages for metal sensing, including high sensitivity, real-time detection, and ease of sample processing [106][107][108]. Alginate-based nanoparticles have emerged as a

• kilohertz. Another alginate-based humidity sensor is carbonized lignin-loaded sodium alginate (CL/SA). The CL/SA composite film provided extremely high sensitivity, low hysteresis, and consistent repeatability throughout a wide relative humidity range of 11–97%. Furthermore, the CL/SA sensor allowed for

Signal generation in dynamic interferometric displacement detection

• Knarik Khachatryan,
• Simon Anter,
• Michael Reichling and
• Alexander von Schmidsfeld

Beilstein J. Nanotechnol. 2024, 15, 1070–1076, doi:10.3762/bjnano.15.87

• a reflectivity of Rf = 0.04. The fourth end of the 3 dB coupler is connected to the detector, which is a photoreceiver (model HBPR-200M-30K-SI-FC, FEMTO Messtechnik, Berlin, Germany) converting the incoming light power into a voltage signal. The photoreceiver allows for high-sensitivity low-noise

Recent progress on field-effect transistor-based biosensors: device perspective

• Billel Smaani,
• Fares Nafa,
• Mohamed Salah Benlatrech,
• Ismahan Mahdi,
• Hamza Akroum,
• Mohamed walid Azizi,
• Khaled Harrar and
• Sayan Kanungo

Beilstein J. Nanotechnol. 2024, 15, 977–994, doi:10.3762/bjnano.15.80

• from researchers due to their desirable properties and advantages, including low cost, label-free operation, high sensitivity, robustness, low power consumption, and a straightforward fabrication process based on CMOS technology [47][48]. A field-effect transistor-based biosensor comprises a

• (≈108) and increased sensing speed through the extended cavity in the oxide–source region of the proposed biosensor structure. Furthermore, the fabrication of a silicon NW TFET-based biosensor has been reported by Gao et al. [84], targeting high sensitivity, versatility, and reliability for point-of

• -end biosensing parts are made using gold electrode material and manufactured by a lithography process, liftoff technique, and metal evaporation process. It has been indicated that the proposed EG FET-based biosensors exhibit super selectivity and high sensitivity for a reliable detection of uric acid

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

• ], and slight changes in the reduction degree may vary the conductivity by many orders of magnitude [69], which would explain the high sensitivity of the measurements to the local reduction degree within one partially reduced rGO flake. To account for Joule dissipation, different models have been derived

AFM-IR investigation of thin PECVD SiO_x films on a polypropylene substrate in the surface-sensitive mode

• Hendrik Müller,
• Hartmut Stadler,
• Teresa de los Arcos,
• Adrian Keller and
• Guido Grundmeier

Beilstein J. Nanotechnol. 2024, 15, 603–611, doi:10.3762/bjnano.15.51

• technique. The signal of the 5 nm thin SiOx layer has increased enormously. These measurements show the high sensitivity of this technique by detecting even 5 nm ultra-thin coatings on top of a polymeric substrate. This effect could have been supported by the choice of substrate material as shown in the

Stiffness calibration of qPlus sensors at low temperature through thermal noise measurements

• Laurent Nony,
• Sylvain Clair,
• Daniel Uehli,
• Aitziber Herrero,
• Jean-Marc Themlin,
• Andrea Campos,
• Franck Para,
• Alessandro Pioda and
• Christian Loppacher

Beilstein J. Nanotechnol. 2024, 15, 580–602, doi:10.3762/bjnano.15.50

• possible to quantify the interatomic interaction forces that develop between the tip and the surface acquired in spectroscopic data cube modes [7][8] with both high sensitivity and high spatial resolution. Recently, the force sensitivity has been pushed forward, and forces as low as 100 fN have been

Potential of a deep eutectic solvent in silver nanoparticle fabrication for antibiotic residue detection

• Le Hong Tho,
• Bui Xuan Khuyen,
• Ngoc Xuan Dat Mai and
• Nhu Hoa Thi Tran

Beilstein J. Nanotechnol. 2024, 15, 426–434, doi:10.3762/bjnano.15.38

• [2], the ability of real-time measurements [3], extremely high sensitivity [4], remarkable selectivity [5], and tremendous versatility [4][6][7]. Many scholars have taken advantage of these properties in cancer diagnosis [8], detection of hazardous chemicals [9], tracing of microorganisms [7][10][11

• -DES substrate. Besides the high sensitivity, the sensor exhibits also uniformity of the coating, consistency in SERS signals, and good selectivity. Overall, Ag NPs-DES is a promising candidate for SERS-based biosensor applications. This work hopefully provides useful information about the potential of

Ultrasensitive and ultrastretchable metal crack strain sensor based on helical polydimethylsiloxane

• Shangbi Chen,
• Dewen Liu,
• Weiwei Chen,
• Huajiang Chen,
• Jiawei Li and
• Jinfang Wang

Beilstein J. Nanotechnol. 2024, 15, 270–278, doi:10.3762/bjnano.15.25

• platform for constructing strain sensors with both high sensitivity and stretchability, showing a far-reaching significance and influence for developing next-generation practically applicable soft electronics. Keywords: crack sensors; helical structure; polydimethylsiloxane (PDMS); ultrahigh sensitivity

• sensor that exhibits both high sensitivity and a wide range of strain through the combined integration of a cracked thin metal and a 3D helical substrate. The fabrication process involves depositing a Au thin film onto a PDMS substrate with helical structure, followed by pre-stretching to induce

• approach through the development of a strain sensor based on cracks with high stretchability, aiming to address the limitations of sensing range in soft electronic devices. Furthermore, this research provides a versatile framework for constructing strain sensors that exhibit both high sensitivity and

Design, fabrication, and characterization of kinetic-inductive force sensors for scanning probe applications

• August K. Roos,
• Ermes Scarano,
• Elisabet K. Arvidsson,
• Erik Holmgren and
• David B. Haviland

Beilstein J. Nanotechnol. 2024, 15, 242–255, doi:10.3762/bjnano.15.23

• electromechanical coupling. The coupling of the microwave resonator to a transmission line is also an important design consideration. Our primary goal is high sensitivity to tip–surface forces, given the constraints of the AFM application. If the detector is limited by thermal noise, the sensitivity is given by the

New application of bimetallic Ag/Pt nanoplates in a colorimetric biosensor for specific detection of E. coli in water

• Azam Bagheri Pebdeni,
• Mohammad N. AL-Baiati and
• Morteza Hosseini

Beilstein J. Nanotechnol. 2024, 15, 95–103, doi:10.3762/bjnano.15.9

• %. The developed assay should serve as a general platform for detecting other pathogenic bacteria which affect water and food quality. The proposed E. coli detection strategy has appealing characteristics such as high sensitivity, simple operation, short testing time, and low cost. Keywords: aptamer

• . Colorimetric biosensors have become popular in analytical applications due to their high sensitivity, convenience, and ease of signal readout [7][8]. These biosensors have been extensively utilized in pathogen identification, primarily because of their ability to rapidly display results in visible color [9][10

• previously published E. coli detection methods. The findings were compared to those of previous specified situations, proving that this technique gives an increased dynamic range and appropriate LOD. This biosensor offers several advantages such as quick reaction, high sensitivity, ease of use, low cost, and