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Search for "sensors" in Full Text gives 568 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

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

Graphical Abstract
  • Al-G tips (Budget Sensors). Results and Discussion Force spectroscopy In Figure 1 we show the contour length measured as a function of the ligand concentration for the three types of complexes formed between DNA and the rare earths. For ytterbium and neodymium, this mechanical parameter remains
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Published 14 Feb 2025

Comparison of organic and inorganic hole transport layers in double perovskite material-based solar cell

  • Deepika K and
  • Arjun Singh

Beilstein J. Nanotechnol. 2025, 16, 119–127, doi:10.3762/bjnano.16.11

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  • ETL, and NiO was used as HTL, with La2NiMnO6 as absorber [25]. The DPSC showed promising characteristics. Applications of double perovskite compounds include fuel cells, UV sensors, electrochemical sensors, indoor photovoltaics, and light-emitting diodes [26]. Double perovskite LNMO nanoparticles and
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Published 06 Feb 2025

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

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  • development of these sensors, it becomes imperative to establish a mathematical model for economically predicting their behavior. The simulation using COMSOL Multiphysics is performed to obtain the surface coverage of the sensor by introducing carbon monoxide gas through a Gaussian pulse feed inlet at
  • using the nanocomposite materials which in turn enhances the sensitivity of the gas sensors. Keywords: CO gas; COMSOL Multiphysics; gas sensor; surface coverage; SWCNT/PEDOT:PSS; Introduction The field of nanotechnology has brought significant advancements in various scientific and engineering
  • nanomaterials, such as carbon nanotubes (CNTs), graphene, and carbon black, embedded within a polymer matrix [1]. The distinctive properties of carbon nanocomposites have positioned them as promising candidates for various applications, particularly in the development of advanced sensors. The small amounts of
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Published 30 Jan 2025

Instance maps as an organising concept for complex experimental workflows as demonstrated for (nano)material safety research

  • Benjamin Punz,
  • Maja Brajnik,
  • Joh Dokler,
  • Jaleesia D. Amos,
  • Litty Johnson,
  • Katie Reilly,
  • Anastasios G. Papadiamantis,
  • Amaia Green Etxabe,
  • Lee Walker,
  • Diego S. T. Martinez,
  • Steffi Friedrichs,
  • Klaus M. Weltring,
  • Nazende Günday-Türeli,
  • Claus Svendsen,
  • Christine Ogilvie Hendren,
  • Mark R. Wiesner,
  • Martin Himly,
  • Iseult Lynch and
  • Thomas E. Exner

Beilstein J. Nanotechnol. 2025, 16, 57–77, doi:10.3762/bjnano.16.7

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  • cases from their high surface reactivity, which results from their small size and large surface area. They include applications in catalysis [3][4] (e.g., as catalytic converters in engines and for energy capture and storage) and as sensors [5][6] (e.g., for bioremediation and environmental monitoring
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Published 22 Jan 2025

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

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  • diverse receptors and sensors, notably for ACh [23][24][25][26][27]. Here, we report the development of a new nanocarrier that can both carry Atr and act as a synthetic esterase to degrade excess ACh. The nanocarrier was synthesized via microemulsion polycondensation of phenylboronic acid with
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Published 09 Jan 2025

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

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  • regarding their potential as metal ion sensors. Among them, ʟ-car-AgNP1 showed selective detection of Cd2+ and Pb2+. In contrast, ʟ-car-AgNP2, ʟ-car-AgNP3, and ʟ-car-AgNP4 showed affinity towards As3+ and Cr3+ detection. Interestingly, ʟ-car-AgNP5 did not detect any metal ions. The quantitative limits of
  • detection (LODs) of Cd2+, Pb2+, As3+, and Cr3+ were 141.79, 131.33, 215.35, and 245.49 ppb, respectively. These values suggest a competitive sensitivity compared to other nanoparticle-based sensors reported in the literature. Additionally, the catalytic activity of ʟ-car-AgNPs was studied regarding the
  • degradation demonstrates the catalytic prowess of ʟ-car-AgNPs and highlights their potential in environmental remediation applications. The successful synthesis of ʟ-car-AgNPs with tunable plasmon resonance has paved the way for their application as colorimetric sensors for heavy metal detection and as
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Published 06 Dec 2024

Electrochemical nanostructured CuBTC/FeBTC MOF composite sensor for enrofloxacin detection

  • Thi Kim Ngan Nguyen,
  • Tien Dat Doan,
  • Huy Hieu Luu,
  • Hoang Anh Nguyen,
  • Thi Thu Ha Vu,
  • Quang Hai Tran,
  • Ha Tran Nguyen,
  • Thanh Binh Dang,
  • Thi Hai Yen Pham and
  • Mai Ha Hoang

Beilstein J. Nanotechnol. 2024, 15, 1522–1535, doi:10.3762/bjnano.15.120

Graphical Abstract
  • sensors has some limitations associated with the low conductivity of MOFs. Therefore, the coupling with conducting materials, such as carbon-based materials, metal nanoparticles, and polymers, has been performed to enhance the electron charge transfer of MOFs [23][24]; single MOFs combined with carbon
  • techniques. The synergistic effects of CuBTC and FeBTC are considered promising for enhancing the performance of enrofloxacin sensors in aqueous solutions. Results and Discussion Characterization of (Cu)(Fe)BTC In the XRD pattern in Figure 1a, the FeBTC sample shows peaks at 2θ values of 6.26°, 10.34°, 10.85
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Published 28 Nov 2024

Strain-induced bandgap engineering in 2D ψ-graphene materials: a first-principles study

  • Kamal Kumar,
  • Nora H. de Leeuw,
  • Jost Adam and
  • Abhishek Kumar Mishra

Beilstein J. Nanotechnol. 2024, 15, 1440–1452, doi:10.3762/bjnano.15.116

Graphical Abstract
  • unchanged under the influence of mechanical strain, preserving its initial characteristic of having a direct bandgap. This behavior offers opportunities for these materials in various vital applications in photodetectors, solar cells, LEDs, pressure and strain sensors, energy storage, and quantum computing
  • ]. Although a successful experimental synthesis of ψ-graphene has not yet been realized, many theoretical investigations have been carried out by different research teams to study its various potential applications in sensors, lithium-ion batteries, and hydrogen storage [16][39][42]. We have recently employed
  • calculations and concluded that ψ-graphene has the potential to be employed in infrared (IR) sensors, ultraviolet (UV) optomechanical sensors, and visible-light sensors [39]. Li et al. theoretically reported a maximum theoretical storage capacity of 372 mAh·g−1 for Li, showing its capability to be utilized as
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Published 20 Nov 2024

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

  • Muhammed Taha Durmus and
  • Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

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  • range of uses in the fields of electrocatalysis, bioimaging, chemical sensors, biosensors, nanomedicine, biomolecule/drug release, light-emitting diodes, and photocatalysts. They also have promising applications in areas such as lasers and optoelectronic device applications [2][3][4][5]. CDs can be
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Published 07 Nov 2024

Hymenoptera and biomimetic surfaces: insights and innovations

  • Vinicius Marques Lopez,
  • Carlo Polidori and
  • Rhainer Guillermo Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1333–1352, doi:10.3762/bjnano.15.107

Graphical Abstract
  • up to 90%, deflecting incoming air and create a zone of stagnant air, potentially helping in the deployment of sensors outdoors, where they are strongly subjected to airborne dust [19]. The detailed study of hymenopteran hairs can be useful in fabricating new surfaces with friction reduction
  • can pave the way for various applications, ranging from advancements in endoscopic imaging to improvements in machine vision, ultimately enhancing the visual efficiency of robots and sensors in autonomous vehicles [89][90][91]. Antenna: Hymenopteran antennae are equipped with specialized structures
  • the result of co-evolution of these traits with ecological requirements [56][92][93][94]. Furthermore, they are essentially in both intra- and interspecific communications [95][96][97]. These antennal sensors have inspired the development of devices for the detection of volatile compounds, which have
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Published 05 Nov 2024

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

Graphical Abstract
  • characteristics made TA attractive to nanomaterial synthesis and functionalization for applications in nanomedicine, sensors, electronics, and composites [25][26][27]. In these different fields, TA has been applied in green alternative methods of GO synthesis and physicochemical modifications (e.g., reduction and
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Published 30 Oct 2024

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

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  • effect using operational microelectromechanical systems” (Grant No. 2020/37/B/ST7/03792) and PRELUDIUM-21 grant “Nanometrology of field emission phenomena from electron beam deposited nanowires operating as nano- and picodeflection sensors – FEmet” (Grant No. 2022/45/N/ST7/03049) with help from the
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Published 23 Oct 2024

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

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  • , 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
  • . Current biomedical and pharmaceutical science has one focus on developing nanoparticle-based sensors, especially biopolymeric nanoparticles. Alginate is a widely used biopolymer in a variety of applications. The hydrogel-forming characteristic, the chemical structure with hydroxy and carboxylate moieties
  • reviewed in this paper. Future research scopes highlight existing challenges and solutions. Keywords: alginate; biomedical sensing; polymer nanoparticle; smart drug delivery; Review Introduction Sensors have received a lot of attention in a variety of applications, including health, pharmacy, the
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Published 22 Aug 2024

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

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  • -dispersive X-ray spectroscopy. Furthermore, NPs of various sizes ranging from 6 to 35 nm were loaded onto a filter paper by a simple and effective drop-casting approach to achieve flexible surface-enhanced Raman spectroscopy (SERS) substrates/sensors. These substrates were tested using a simple, portable
  • interest in many applications, such as photoelectronic devices, biochemical sensors, and surface-enhanced Raman spectroscopy (SERS) substrates, due to their high purity NPs as well as an easy method for altering the structures, NPs/NSs sizes, and morphology by tuning the laser parameters and surrounding
  • media [27][28][29]. The SERS substrate efficiency mainly depends on the material, size, and shape of the NPs. Recent terrorist activities involving explosives and chemical warfare agents highlight the urgent need for sensitive and selective chemical sensors. These sensors must be using low power and be
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Published 19 Aug 2024

Bolometric IR photoresponse based on a 3D micro-nano integrated CNT architecture

  • Yasameen Al-Mafrachi,
  • Sandeep Yadav,
  • Sascha Preu,
  • Jörg J. Schneider and
  • Oktay Yilmazoglu

Beilstein J. Nanotechnol. 2024, 15, 1030–1040, doi:10.3762/bjnano.15.84

Graphical Abstract
  • resistance (TCR). These properties are advantageous for new bolometric sensors with high voltage responsivity and broadband absorption from the infrared (IR) to the terahertz spectrum. Preliminary performance evaluations have shown current and voltage responsivities of 2 mA/W and 30 V/W, respectively, in
  • numerous advantages at room temperature operation. New thermally isolated micro-nano architectures equipped with integrated temperature sensors should outperform their predecessors regarding various critical aspects, such as ultra-broadband detection from ultraviolet (UV) to terahertz radiation [1
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Published 15 Aug 2024

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

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  • category of engineered NPs is comprised of metal and metal oxide NPs, which rank among the highest in production volume. They have already found widespread applications in technological advancements such as photovoltaics, catalysis, gas sensors, fuel cells, and adsorbents [7][8]. This prevalence is
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Published 07 Aug 2024

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

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  • are employed in agriculture [4] during crop cultivation as well as in food processing. Quality control is essential to ensure wholesome food production with an extended lifespan [5]. Biosensors have been implemented in at-line and on-line quality sensors [6], enabling quality classification
  • -based sensors, and a few reviews of FET-based biosensors report on the analysis and development of nanostructured materials for those biosensors [37]. However, to the best of our knowledge, none of the reported reviews have proposed a comprehensive overview on various structures for the design of FET
  • sensors, where the sensitivity parameter is limited by the fundamental Nernst equation. It has also been reported that the signal improvement results from the designed circuit, and the sensitivity limit has been addressed by means of the back gate architecture [79][80], or the structure of double-side
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Published 06 Aug 2024

Beyond biomimicry – next generation applications of bioinspired adhesives from microfluidics to composites

  • Dan Sameoto

Beilstein J. Nanotechnol. 2024, 15, 965–976, doi:10.3762/bjnano.15.79

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  • academic topic that has gained much popularity since approximately 2010 [13] and involves using very deformable materials like elastomers to build robotic sensors, actuators, and even simple logic circuits [14] that use nearly exclusively or primarily soft materials. Soft robotics can be, in theory, very
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Published 05 Aug 2024

Water-assisted purification during electron beam-induced deposition of platinum and gold

  • Cristiano Glessi,
  • Fabian A. Polman and
  • Cornelis W. Hagen

Beilstein J. Nanotechnol. 2024, 15, 884–896, doi:10.3762/bjnano.15.73

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  • structures in applications such as nanoprobes and sensors [4][5][6], or for the fabrication of superconductors [7][8][9][10] and plasmonic devices [11][12][13]. A lower carbon content can be achieved by means of precursor design [14], variation of deposition conditions [15], or post-deposition purification
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Published 18 Jul 2024

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

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  • delivery, catalysis, and sensors. The methodologies, developed for the first time in 1999 [1], for the production of bimetallic nanoparticles in the gas phase can be roughly classified as either simultaneous or sequential. In the first category, the materials that will be used to make the nanoparticles are
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Published 04 Jul 2024

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

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  • ], sensors [2], and biomedical applications [3][4], among other areas [5][6][7][8]. Graphene-related materials [8], transition metal dichalcogenides [9], boron nitride [10], and MXenes [11], among many others, exhibit novel and exotic properties, which markedly differ from their bulk counterparts [12]. This
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Published 01 Jul 2024

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

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  • -cleaning [1], anti-corrosion [2], and antibacterial [3] coatings. Like other CuO nanostructures, thin films also show potential for applications in photovoltaic cells [4][5], lithium-ion batteries [6], supercapacitors [7], gas sensors [8], and biosensors [9]. Furthermore, the literature reports their
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Published 24 Jun 2024

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

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  • RSD = 2.26% and IHYP = 9.00 ± 0.14 (μA) with RSD = 1.59%. An RSD smaller than 5% indicates that the proposed technique is reproducible. Stability is a critical characteristic of electrochemical sensors; it can be determined by comparing electrochemical signals from a single electrode, which is kept at
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Published 20 Jun 2024

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

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  • chemical stability [4][5]. Ga2O3 is a promising candidate for visible-blind UV-light sensors [3], power devices and optoelectronics [6][7][8][9], gas sensors [10], and memory devices [8]. These applications can be scaled down to the nanoscale, including flexible nanodevices. Ga2O3 nanowires (NWs) could be
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Published 18 Jun 2024

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

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  • -known noble metal materials whose resonance occurs in both visible and infrared range of the electromagnetic spectrum, rendering pertinence in various disciplines such as surface-enhanced Raman scattering (SERS), optical sensors, fluorescence (SPR) sensor chips, deoxyribonucleic acid (DNA) sensors
  • , electrochemical sensors, and photothermal therapy (PTT) [5]. These technologies are based on the principle of elastic scattering properties of metal nanoparticles and on the shift in the plasmon band, which is more prominent in the case of anisotropic nanoparticles in comparison to isotropic ones [6]. Several
  • gold nanorods is due to their ability to absorb light in the NIR/IR region, ultimately leading to thermoresponsive performance of hydrogel actuators. A concise review on several reports also discussed the potential application of gold nanoparticles in developing hydrogel actuators/sensors for
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Published 07 Jun 2024
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