A nonenzymatic reduced graphene oxide-based nanosensor for parathion

• Sarani Sen,
• Anurag Roy,
• Ambarish Sanyal and
• Parukuttyamma Sujatha Devi

Beilstein J. Nanotechnol. 2022, 13, 730–744, doi:10.3762/bjnano.13.65

• the fabrication of a robust, nonenzymatic electrochemical-sensing electrode modified with electrochemically reduced graphene oxide (ERGO) to detect PT residues in environmental samples (e.g., soil, water) as well as in vegetables and cereals. The ERGO sensor shows a significantly affected

• performance of the nanosensor was validated by adding PT to natural samples and comparing the data via absorption spectroscopy. PT detection results encourage the design of easy-to-use nanosensor-based analytical tools for rapidly monitoring other environmental samples. Keywords: electrochemical nanosensor

• , selective, sensitive, and point-of-care (POC) analytical tools for monitoring environmental pollutants [2][11]. They can also detect residual OPs based on their electrocatalytic activity and affinity toward nanomaterials, such as nanoparticles, carbon nanomaterials, and metal oxides [11]. In a few reports

Sodium doping in brookite TiO₂ enhances its photocatalytic activity

• Boxiang Zhuang,
• Honglong Shi,
• Honglei Zhang and
• Zeqian Zhang

Beilstein J. Nanotechnol. 2022, 13, 599–609, doi:10.3762/bjnano.13.52

• ; Introduction Titanium dioxide (TiO2) has been extensively studied for many potential applications in the environmental and energy fields, such as treatment of polluted water [1][2], air purification [3][4], and water splitting [5][6]. In recent years, the interest in the brookite phase of TiO2 has been

Effects of substrate stiffness on the viscoelasticity and migration of prostate cancer cells examined by atomic force microscopy

• Xiaoqiong Tang,
• Yan Zhang,
• Jiangbing Mao,
• Yuhua Wang,
• Zhenghong Zhang,
• Zhengchao Wang and
• Hongqin Yang

Beilstein J. Nanotechnol. 2022, 13, 560–569, doi:10.3762/bjnano.13.47

• unclear how mechanical properties regulate the cellular response to the environmental matrix. In this study, atomic force microscopy (AFM) and laser confocal imaging were used to qualitatively evaluate the relationship between substrate stiffness and migration of prostate cancer (PCa) cells. Cells

Detection and imaging of Hg(II) in vivo using glutathione-functionalized gold nanoparticles

• Gufeng Li,
• Shaoqing Li,
• Rui Wang,
• Min Yang,
• Lizhu Zhang,
• Yanli Zhang,
• Wenrong Yang and
• Hongbin Wang

Beilstein J. Nanotechnol. 2022, 13, 549–559, doi:10.3762/bjnano.13.46

• Gufeng Li Shaoqing Li Rui Wang Min Yang Lizhu Zhang Yanli Zhang Wenrong Yang Hongbin Wang Key Laboratory of Resource Clean Conversion in Ethnic Regions, School of Chemistry and Environment, Yunnan Minzu University, Kunming 650500, P. R. China School of Life and Environmental Sciences, Deakin

• , surface modifications of GNPs are highly attractive for both environmental monitoring and biological applications. Surface modification of GNPs by using self-assembled monolayers (SAMs) [22] is one of the most attractive strategies to enhance their sensing performance. The surface of GNPs can be modified

Ethosomal (−)-epigallocatechin-3-gallate as a novel approach to enhance antioxidant, anti-collagenase and anti-elastase effects

• Çiğdem Yücel,
• Gökçe Şeker Karatoprak,
• Sena Yalçıntaş and
• Tuğba Eren Böncü

Beilstein J. Nanotechnol. 2022, 13, 491–502, doi:10.3762/bjnano.13.41

• effective due to its unstable structure and low solubility. In addition, toxicity may occur with an increasing dose [10]. Therefore, overcoming these problems with nanocarrier systems provides significant advantages to researchers. ETHs protect a given compound against environmental factors and also enhance

• ethosomal formulations loaded (51.7%) and released (50.8%) at lower doses of EGCG (Table 4). This effect was thought to occur as a result of the long-term release of formulated EGCG at a lower dose while protecting it from environmental factors, and the success of the formulated EGCG was proven. In a

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

• Ioana Marica,
• Fran Nekvapil,
• Maria Ștefan,
• Cosmin Farcău and
• Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

A non-enzymatic electrochemical hydrogen peroxide sensor based on copper oxide nanostructures

• Irena Mihailova,
• Vjaceslavs Gerbreders,
• Marina Krasovska,
• Eriks Sledevskis,
• Valdis Mizers,
• Andrejs Bulanovs and
• Andrejs Ogurcovs

Beilstein J. Nanotechnol. 2022, 13, 424–436, doi:10.3762/bjnano.13.35

• pharmaceuticals [16][17][18], environmental protection [19], and industrial areas (especially food production) [20][21][22][23][24][25]. Measurement techniques including fluorescence [26][27], luminescence [28], spectrometry [29][30], and electrochemistry [31][32][33] are widely used for H2O2 determination

• environmental conditions (20 °C, 40% relative humidity) for one week, the signal level remained at 95% of the initial value. For samples stored under environmental conditions for a month, the signal level remained at 90% of the initial value. The influence of the environment and degree of sample degradation can

• storage, no significant morphological changes were observed, which proves the stability of the samples. These results show that the nanostructured CuO coating has long-term stability and resistance to environmental influences, which is another advantage compared to enzyme sensors. Conclusion This article

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

• Zahra Nabizadeh,
• Mahmoud Nasrollahzadeh,
• Hamed Daemi,
• Mohamadreza Baghaban Eslaminejad,
• Ali Akbar Shabani,
• Mehdi Dadashpour,
• Majid Mirmohammadkhani and
• Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

• involvement of micro-/nanotechnological possibilities in the process of scaffold design and fabrication [4]. Since a lot of cellular mechanisms are controlled by environmental stimuli (cell signaling molecules, extracellular matrix, and bioactive macromolecules) on the nanoscale, the recognition and

Alcohol-perturbed self-assembly of the tobacco mosaic virus coat protein

• Ismael Abu-Baker and
• Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2022, 13, 355–362, doi:10.3762/bjnano.13.30

• proteins for VLPs can be obtained through heterologous expression [11][12]. However, working with infectious virus particles poses serious health and environmental safety risks and may require costly containment measures, depending on the virus of interest [13][14]. With this in mind, it may be preferrable

Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation

• Season S. Chen,
• Zhen-Jie Yang,
• Chia-Hao Chang,
• Hoong-Uei Koh,
• Sameerah I. Al-Saeedi,
• Kuo-Lun Tung and
• Kevin C.-W. Wu

Beilstein J. Nanotechnol. 2022, 13, 313–324, doi:10.3762/bjnano.13.26

• -free; gas separation; interfacial synthesis; metal-organic frameworks; ZIF membranes; Introduction Carbon dioxide (CO2) is one of the major greenhouse gases emitted through human activities contributing to global climate change. According to United States Environmental Protection Agency (US EPA), CO2

• imidazoles (organic linkers) and zinc or cobalt ions (metal ions). They are considered as promising nanostructured materials in technologies related to energy and environmental science [2][28][29][30]. ZIFs are of particular interest for gas separation due to their additional framework flexibility imposed by

The effect of metal surface nanomorphology on the output performance of a TENG

• Yiru Wang,
• Xin Zhao,
• Yang Liu and
• Wenjun Zhou

Beilstein J. Nanotechnol. 2022, 13, 298–312, doi:10.3762/bjnano.13.25

• -renewable resources such as oil, coal, and natural gas. The consumption of fossil fuels, at the same time, causes many environmental problems. In this regard, looking for green renewable energies to replace fossil energies has become a future development trend. Especially the high degree of disorder that

• [18][19][20][21], water wave energy [22][23], acoustic energy [24][25], and energy generated by human activities [26][27] can be collected and effectively converted into electrical energy for medical, meteorological, and other applications. A new type of TENG with environmental protection, high

Relationship between corrosion and nanoscale friction on a metallic glass

• Haoran Ma and
• Roland Bennewitz

Beilstein J. Nanotechnol. 2022, 13, 236–244, doi:10.3762/bjnano.13.18

• are susceptible to corrosion when exposed to environmental conditions, the role of surface chemistry for friction must be investigated. At the macroscale, the existence of metal oxide surface films on MGs enhanced the wear resistance in corrosive solutions and the fluid lubricating films formed by

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

• Senuri Kumarage,
• Imalka Munaweera and
• Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

• discussed. Finally, an outlook on the future research pathways to fill the gaps existing in water remediation have been suggested. Keywords: electrospinning; environmental remediation; membrane technologies; nanohybrids; water purification; Review 1 Introduction Nanotechnology is a technique that exploits

• regulation of parameters has made the electrospun nanofibers find its applications in various areas such as the health sector, food, energy and textile industries, and environmental remediation. Electrospun nanohybrids (ENHs) produced by immobilization of function-specific nanoparticles or mixtures of

• into cross-linked polyvinylpyrrolidone (PVP) [15]. ENH membranes, along with their high porosity and high aspect ratio, possess a high permeation ability, adsorbability, and selectivity, which makes them excellent for environmental remediation, specifically for the adsorption and filtration of

A photonic crystal material for the online detection of nonpolar hydrocarbon vapors

• Evgenii S. Bolshakov,
• Aleksander V. Ivanov,
• Andrei A. Kozlov,
• Anton S. Aksenov,
• Elena V. Isanbaeva,
• Sergei E. Kushnir,
• Aleksei D. Yapryntsev,
• Aleksander E. Baranchikov and
• Yury A. Zolotov

Beilstein J. Nanotechnol. 2022, 13, 127–136, doi:10.3762/bjnano.13.9

• of determining the concentration of compounds in a two-component mixture is confirmed. It was found that after stopping the exposure, the position of the photonic bandgap is almost completely recovered. This fact allows one to perform chemical cycles or online environmental monitoring. However, when

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

• Viet Van Pham,
• Hong-Huy Tran,
• Thao Kim Truong and
• Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

• Thanh District, Ho Chi Minh City, 700000, Viet Nam 10.3762/bjnano.13.7 Abstract Semiconducting SnO2 photocatalyst nanomaterials are extensively used in energy and environmental research because of their outstanding physical and chemical properties. In recent years, nitrogen oxide (NOx) pollutants have

• environmental treatment [71]. A similar model, a Z-scheme photocatalyst, was reported by Lu et al. who successfully fabricated a ternary nanohybrid consisting of mesoporous SnO2, nitrogen-doped carbon quantum dots (NCDs), and ZnSn(OH)6 using a simple in situ solvothermal method. This nanohybrid photocatalyst

• media where the presence of NO/NO2 is predominant. Problems and sources associated with NOx air pollution (a) and NO photocatalysis over a semiconductor (b). Figure 1a was reprinted from [12], Journal of Environmental Management, vol. 129, by J. Ângelo; L. Andrade; L. M. Madeira; A. Mendes “An overview

Identifying diverse metal oxide nanomaterials with lethal effects on embryonic zebrafish using machine learning

• Richard Liam Marchese Robinson,
• Haralambos Sarimveis,
• Philip Doganis,
• Xiaodong Jia,
• Marianna Kotzabasaki,
• Christiana Gousiadou,
• Stacey Lynn Harper and
• Terry Wilkins

Beilstein J. Nanotechnol. 2021, 12, 1297–1325, doi:10.3762/bjnano.12.97

• Technical University of Athens, 9 Heroon Polytechniou str. Zografou Campus, 15780 Athens, Greece School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon

Self-assembly of amino acids toward functional biomaterials

• Huan Ren,
• Lifang Wu,
• Lina Tan,
• Yanni Bao,
• Yuchen Ma,
• Yong Jin and
• Qianli Zou

Beilstein J. Nanotechnol. 2021, 12, 1140–1150, doi:10.3762/bjnano.12.85

• +/Ce6 was greater than 50.0% in both cases, and the encapsulation efficiency was greater than 99.0%. The Fmoc-H/Zn2+/Ce6 and Z-HF/Zn2+/Ce6 nanoparticle assembly were based on coordination and other noncovalent interactions which are sensitive to environmental changes. They demonstrated the robustness of

Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

• Keshav Nagpal,
• Erwan Rauwel,
• Frédérique Ducroquet and
• Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

• ); plasmonic nanoparticles; quantum dots; Review Introduction Nanomaterials have engendered the miniaturization of devices, bringing about advances in a variety of fields, such as biomedicine, environmental technologies, optoelectronics, and photocatalysis [1][2]. In particular, light-emitting diodes (LED

Progress and innovation of nanostructured sulfur cathodes and metal-free anodes for room-temperature Na–S batteries

• Marina Tabuyo-Martínez,
• Bernd Wicklein and
• Pilar Aranda

Beilstein J. Nanotechnol. 2021, 12, 995–1020, doi:10.3762/bjnano.12.75

• favorable environmental and economic perspectives. However, scientific and technological problems are still hindering a commercial breakthrough of these batteries. This review discusses strategies to remedy some of the current drawbacks such as the polysulfide shuttle effect, catastrophic volume expansion

• The revival of Na–S batteries has triggered enormous research within this field. Important drivers are, besides the high theoretical capacity and energy density values, aspects of sustainability, environmental impact, and geo-economic concerns. Sodium and sulfur are amongst the most abundant elements

• improve their environmental performance. It is expected that sodium batteries will replace LiBs at some point in the future and sustain further electrification of the daily life, an important pillar of sustainable development in a post-carbon society. However, important obstacles have to be overcome to

Uniform arrays of gold nanoelectrodes with tuneable recess depth

• Elena O. Gordeeva,
• Ilya V. Roslyakov,
• Alexey P. Leontiev,
• Alexey A. Klimenko and
• Kirill S. Napolskii

Beilstein J. Nanotechnol. 2021, 12, 957–964, doi:10.3762/bjnano.12.72

• Scientific and Educational School of Lomonosov MSU «The future of the planet and global environmental change» is acknowledged. Funding The work was supported by the Russian Science Foundation (Grant No. 19-73-10176) in part of preparation and characterization of the AAO porous films. Templated

Self-assembly of Eucalyptus gunnii wax tubules and pure ß-diketone on HOPG and glass

• Miriam Anna Huth,
• Axel Huth and
• Kerstin Koch

Beilstein J. Nanotechnol. 2021, 12, 939–949, doi:10.3762/bjnano.12.70

• protect plants from environmental stress [4]. Waxes are, thereby, essential for a variety of functions, especially in the wettability and self-cleaning ability of plant surfaces [5][6]. Plant waxes consist of a complex mixture of aliphatic and aromatic compounds. The exact chemical composition of the wax

The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles

• Nabojit Das,
• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69

• synthesis methods have been developed for environmental applications, such as biohydrogen production and chromium deionization [15][16][17][18]. In addition, polymer-based nanoparticles showed low drug loading and encapsulation efficiency. The acidic nature of poly(lactic-co-glycolic acid) is not suitable

• nanomaterials in CO2 mitigation and climate change control [20][21][22]. Several other studies reported novel environmental remediation approaches based on nanomaterials [23][24]. Deep eutectic solvents (DESs) are a class of nascent sustainable, non-aqueous solvents, comparable to room-temperature ionic liquids

• of CTAB-capped gold nanorods on estuarine model systems (consisting of sediments, plants, microbial films, fish, and snails) for observing ecological and environmental impact [71]. The results showed that the biofilms were the primary route through which gold nanorods enters the food chain. It is

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

• Sepand Tehrani Fateh,
• Lida Moradi,
• Elmira Kohan,
• Michael R. Hamblin and
• Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

• materials that can undergo specific structural changes, for instance, protonation, cleavage, or conformational changes after exposure to certain stimuli which trigger the release of the cargo [3]. The physicochemical properties of these systems can be changed when triggered by environmental stimuli, such as

• opportunity for the development of new biomaterials. The optimization of their responses to local/environmental stimuli can provide better-controlled drug delivery and superior therapeutic effects through the synergistic effect of various environmental stimuli [8][9]. These systems have been discussed in

9.1% efficient zinc oxide/silicon solar cells on a 50 μm thick Si absorber

• Rafal Pietruszka,
• Bartlomiej S. Witkowski,
• Monika Ozga,
• Katarzyna Gwozdz,
• Ewa Placzek-Popko and
• Marek Godlewski

Beilstein J. Nanotechnol. 2021, 12, 766–774, doi:10.3762/bjnano.12.60

• ; Introduction The constantly increasing emission of greenhouse gases creates a growing environmental problem. Burning of fossil fuels leads to an increase of the amount of carbon dioxide in the atmosphere. The effect of this activity is global warming [1]. Fortunately, public awareness of the ecological problem

Recent progress in actuation technologies of micro/nanorobots

• Ke Xu and
• Bing Liu

Beilstein J. Nanotechnol. 2021, 12, 756–765, doi:10.3762/bjnano.12.59

• contrast, micro/nanorobots can operate non-invasively in small, inaccessible spaces and play an important role in biomedicine and other fields, such as targeted drug delivery to treat cancer [1][2][3][4][5][6], nanosurgery [7][8], and environmental treatment [9][10][11]. In 1959, Feynman [12] first

• under environmental perception, thereby solving the problem of integrated operation of microrobots in a closed living environment. This application in minimally invasive medicine, soft robotics, and smart materials has attracted more and more attention. Electric field actuation External electric fields