Structural and electronic properties of SnO₂ doped with non-metal elements

• Jianyuan Yu,
• Yingeng Wang,
• Yan Huang,
• Xiuwen Wang,
• Jing Guo,
• Jingkai Yang and
• Hongli Zhao

Beilstein J. Nanotechnol. 2020, 11, 1321–1328, doi:10.3762/bjnano.11.116

• Jianyuan Yu Yingeng Wang Yan Huang Xiuwen Wang Jing Guo Jingkai Yang Hongli Zhao College of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, China Department of Environmental and Chemical Engineering, Tangshan University, Tangshan, Hebei 063000, China Graphene Application

Magnetohydrodynamic stagnation point on a Casson nanofluid flow over a radially stretching sheet

• Ganji Narender,
• Kamatam Govardhan and
• Gobburu Sreedhar Sarma

Beilstein J. Nanotechnol. 2020, 11, 1303–1315, doi:10.3762/bjnano.11.114

• Brownian motion and thermophoretic properties. Due to these features, nanoparticles are widely used in catalysis, imaging, energy-based research, microelectronics, and in other applications in the medical and environmental fields. These nanoparticles are composed of metals and nonmetals and are frequently

An atomic force microscope integrated with a helium ion microscope for correlative nanoscale characterization

• Santiago H. Andany,
• Gregor Hlawacek,
• Stefan Hummel,
• Charlène Brillard,
• Mustafa Kangül and
• Georg E. Fantner

Beilstein J. Nanotechnol. 2020, 11, 1272–1279, doi:10.3762/bjnano.11.111

• performed without contamination of the sample and environmental changes between processing steps. The practicality of the resulting tool lies in the complementarity of the two techniques. The AFM offers not only true 3D topography maps, something the HIM can only provide in an indirect way, but also allows

Magnetic-field-assisted synthesis of anisotropic iron oxide particles: Effect of pH

• Andrey V. Shibaev,
• Petr V. Shvets,
• Darya E. Kessel,
• Roman A. Kamyshinsky,
• Anton S. Orekhov,
• Sergey S. Abramchuk,
• Alexei R. Khokhlov and
• Olga E. Philippova

Beilstein J. Nanotechnol. 2020, 11, 1230–1241, doi:10.3762/bjnano.11.107

• environmental benigness [4][5][6][7][8]. These nanomaterials can be exploited in a variety of applications, including magnetic data storage [9], magnetic resonance imaging (MRI) [6][10][11][12], hyperthermia [6][13][14][15], magnetic separation [16], targeted drug delivery [6][16][17][18][19], lithium-ion

Gram-scale synthesis of splat-shaped Ag–TiO₂ nanocomposites for enhanced antimicrobial properties

• Mohammad Jaber,
• Asim Mushtaq,
• Kebiao Zhang,
• Jindan Wu,
• Dandan Luo,
• Zihan Yi,
• M. Zubair Iqbal and
• Xiangdong Kong

Beilstein J. Nanotechnol. 2020, 11, 1119–1125, doi:10.3762/bjnano.11.96

• antibiotics, leading to environmental toxicity and damage of target organs in the human body [1]. Also, these materials rapidly dissolve in the human body creating numerous clinical risks [2][3]. In spite of the desirable antibacterial properties, the traditional quaternary ammonium salts (QASs) and the

• antimicrobial peptides (AMPs) are highly toxic [4][5]. Recently, research in the field of nanotechnology has focused on trying to find solutions for some of the most serious environmental issues, such as energy conversion, and for the optimization of biomedical applications. Their small size, shape variability

Plant growth regulation by seed coating with films of alginate and auxin-intercalated layered double hydroxides

• Vander A. de Castro,
• Valber G. O. Duarte,
• Danúbia A. C. Nobre,
• Geraldo H. Silva,
• Vera R. L. Constantino,
• Frederico G. Pinto,
• Willian R. Macedo and
• Jairo Tronto

Beilstein J. Nanotechnol. 2020, 11, 1082–1091, doi:10.3762/bjnano.11.93

• ; intercalation compounds; layered double hydroxides (LDHs); layered materials; 1-naphthaleneacetic acid (NAA); plant-growth regulators; Introduction Increasing food production in line with environmental preservation is a challenge to agricultural innovation. With regard to this, nanotechnology enables the

• applied to plantations in higher doses than recommended. These high doses can cause environmental problems such as contamination of soil, water, plants, and animals. The intercalation of agrochemicals in LDHs can generate a sustained release of the organic compounds, reducing the number of applications

• and minimizing environmental risks. LDHs were intercalated with the herbicides (2,4-dichlorophenoxy)acetic acid, (4-chloro-2-methylphenoxy)acetic acid, and Picloram [9]. The slow release of the herbicides was evaluated in batch and column leaching tests. In addition, herbicidal activity was also

Vibration analysis and pull-in instability behavior in a multiwalled piezoelectric nanosensor with fluid flow conveyance

• Sayyid H. Hashemi Kachapi

Beilstein J. Nanotechnol. 2020, 11, 1072–1081, doi:10.3762/bjnano.11.92

• , pharmaceutical, agricultural, environmental, advanced materials, chemical science, physics, electronics, information technology, biomedical and medical fields [1][2][3][4][5][6][7][8][9][10]. Due to this extended use of nanosensors, especially piezoelectric nanosensors in vibration devices, mathematical models

Highly sensitive detection of estradiol by a SERS sensor based on TiO₂ covered with gold nanoparticles

• Andrea Brognara,
• Ili F. Mohamad Ali Nasri,
• Beatrice R. Bricchi,
• Andrea Li Bassi,
• Caroline Gauchotte-Lindsay,
• Matteo Ghidelli and
• Nathalie Lidgi-Guigui

Beilstein J. Nanotechnol. 2020, 11, 1026–1035, doi:10.3762/bjnano.11.87

• -estradiol, an emerging contaminant in environmental waters. We have found a limit of detection of 1 nM with a sensitivity allowing for a dynamic range of five orders of magnitude (up to 100 µM). Keywords: aptamer; Au nanoparticles; 17-β estradiol (E2); plasmonics; sensor; surface-enhanced Raman scattering

• have been found in surface and groundwater in urban areas, leading to rising concerns in the EU. Studies have revealed that in some fish species, exposure to E2 has led to the feminization of males [24][25]. Routine instrumental methods for the detection of E2 in environmental waters are well

• ) and has a wide dynamic range (up to 100 µM). These results combined with the fact that the sensor is all solid makes the nanopourous TiO2/Au systems interesting for environmental detection applications. Schematic of the SERS sensor. The figure is not to scale for the sake of clarity. SEM top-view

Nickel nanoparticles supported on a covalent triazine framework as electrocatalyst for oxygen evolution reaction and oxygen reduction reactions

• Secil Öztürk,
• Yu-Xuan Xiao,
• Dennis Dietrich,
• Beatriz Giesen,
• Juri Barthel,
• Jie Ying,
• Xiao-Yu Yang and
• Christoph Janiak

Beilstein J. Nanotechnol. 2020, 11, 770–781, doi:10.3762/bjnano.11.62

• reduction reaction; Introduction A worldwide increasing energy demand combined with the depletion of fossil fuels and environmental issues requires the development of new sustainable clean energy sources [1]. In many renewable energy conversion and storage systems, the oxygen evolution reaction (OER) and

Preparation, characterization and photocatalytic performance of heterostructured CuO–ZnO-loaded composite nanofiber membranes

• Wei Fang,
• Liang Yu and
• Lan Xu

Beilstein J. Nanotechnol. 2020, 11, 631–650, doi:10.3762/bjnano.11.50

• environmental monitoring, industry, aviation, and transportation. In this paper, heterostructured CuO–ZnO-loaded CNF membranes (CNFMs) were prepared successfully by a combination of electrospinning, heat treatment, and hydrothermal synthesis. The influence of the synthesis parameters on morphology, structure

• three times, and the degradation rate remained above 90%. Keywords: electrospinning; composite nanofibers; heterostructured CuO–ZnO; hydrothermal synthesis; photocatalysis; semiconductor oxide; Introduction Water remediation is one of the main scientific research subjects regarding environmental

• protection. Water pollution with organic dyes (such as congo red, methylene blue, and methyl orange) is becoming a major environmental problem. Therefore, water purification technologies, such as photocatalytic purification, electrochemical oxidation, membrane filtration, ozonation, and chlorination

Silver-decorated gel-shell nanobeads: physicochemical characterization and evaluation of antibacterial properties

• Marta Bartel,
• Katarzyna Markowska,
• Marcin Strawski,
• Krystyna Wolska and
• Maciej Mazur

Beilstein J. Nanotechnol. 2020, 11, 620–630, doi:10.3762/bjnano.11.49

• the gram-positive S. aureus. Biofilm formation is a strategy of microorganisms to avoid unfavorable environmental conditions. Due to high resistance of these microbial populations to commonly used therapeutics, biofilms are a substantial source of antibiotic failure and persistent infections [45]. The

Soybean-derived blue photoluminescent carbon dots

• Shanshan Wang,
• Wei Sun,
• Dong-sheng Yang and
• Fuqian Yang

Beilstein J. Nanotechnol. 2020, 11, 606–619, doi:10.3762/bjnano.11.48

• Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, Liaoning, 113001, China 10.3762/bjnano.11.48 Abstract Biomass-derived carbon dots (CDs) are biocompatible and have potential for a variety of applications, including bioimaging and biosensing. In this work, we use ground soybean

Multilayer capsules made of weak polyelectrolytes: a review on the preparation, functionalization and applications in drug delivery

• Varsha Sharma and
• Anandhakumar Sundaramurthy

Beilstein J. Nanotechnol. 2020, 11, 508–532, doi:10.3762/bjnano.11.41

• the capsule stability is necessarily required. This led to the observation of various environmental triggers such as pH, ionic strength, polarity and temperature that play a major role in manipulating the capsule permeability by modulating the shell interactive forces [5]. Following this, successful

• achieved in many ways: by using the material itself as a template, by incorporating the material into core templates, or by encapsulating the drug in preformed capsules by controlling the permeability of the capsules using environmental triggers. These factors along with several introduced functionalities

• release of therapeutic agents upon minor variations in the environmental characteristics, surface modification and suppression of inter-chain interaction to the degradation/rearrangement of LbL films under the action of physical factors [19][20]. In spite of the fact that weak PE systems can also offer

Nanoarchitectonics: bottom-up creation of functional materials and systems

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2020, 11, 450–452, doi:10.3762/bjnano.11.36

• synthesis; nanoarchitectonics; nanotechnology; self-assembly; supramolecular; Given the significant and time-critical problems of energy shortage, environmental protection, and biomedical issues, the creation of new functional materials and systems for efficient energy production and storage [1][2

• ], environmental remediation with sensitive pollutant detection [3][4], and biological and biomedical applications [5][6] is a crucial matter. In addition to the intrinsic functionality of bulk materials, control of their internal structure on the nanometer-scale is realized to be increasingly important to obtain

• [14][15], sensing [16][17], catalysis [18], energy [19], environmental [20], devices [21][22], and bio-related [23][24] applications. Accordingly, the goal of the thematic issue “Nanoarchitectonics: bottom-up creation of functional materials and systems” was to collect leading research examples that

Synthesis and enhanced photocatalytic performance of 0D/2D CuO/tourmaline composite photocatalysts

• Changqiang Yu,
• Min Wen,
• Zhen Tong,
• Shuhua Li,
• Yanhong Yin,
• Xianbin Liu,
• Yesheng Li,
• Tongxiang Liang,
• Ziping Wu and
• Dionysios D. Dionysiou

Beilstein J. Nanotechnol. 2020, 11, 407–416, doi:10.3762/bjnano.11.31

• Changqiang Yu Min Wen Zhen Tong Shuhua Li Yanhong Yin Xianbin Liu Yesheng Li Tongxiang Liang Ziping Wu Dionysios D. Dionysiou School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China Environmental Engineering and Science Program, Department

• of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA Chongyi Zhangyuan Tungsten Co., Ltd., Ganzhou 341000, China 10.3762/bjnano.11.31 Abstract Photocatalysis is considered to be a green and promising technology for transforming organic contaminants into

Facile biogenic fabrication of hydroxyapatite nanorods using cuttlefish bone and their bactericidal and biocompatibility study

• Satheeshkumar Balu,
• Manisha Vidyavathy Sundaradoss,
• Swetha Andra and
• Jaison Jeevanandam

Beilstein J. Nanotechnol. 2020, 11, 285–295, doi:10.3762/bjnano.11.21

• Department of Chemical Engineering, Curtin University, Miri, Sarawak 98009, Malaysia 10.3762/bjnano.11.21 Abstract Cuttlefish bones are an inexpensive source of calcium carbonate, which are produced in large amounts by the marine food industry, leading to environmental contamination and waste. The

• , the hazardous chemicals involved in the synthesis process, which are toxic to healthy cells, is the primary limitation to employ these materials in widespread biomedical and environmental applications. Thus, the nontoxic, ecologically friendly preparation of Hap has received considerable attention in

• waste material every day by the marine food industry across the world, resulting in environmental contamination [10]. In ancient times, cuttlefish bone powder was used as biomedicine in China and India for oral health and is proven to be completely suitable for biomedical applications [11]. Further, the

High-performance asymmetric supercapacitor made of NiMoO₄ nanorods@Co₃O₄ on a cellulose-based carbon aerogel

• Meixia Wang,
• Jing Zhang,
• Xibin Yi,
• Benxue Liu,
• Xinfu Zhao and
• Xiaochan Liu

Beilstein J. Nanotechnol. 2020, 11, 240–251, doi:10.3762/bjnano.11.18

• porous structure; nanoporous material; NiMoO4; supercapacitor; Introduction In recent years, in the light of environmental degradation and an increasing energy demand, the development of various new, renewable and clean energy conversion and storage devices has attracted wide attention [1][2][3][4

Rational design of block copolymer self-assemblies in photodynamic therapy

• Maxime Demazeau,
• Laure Gibot,
• Anne-Françoise Mingotaud,
• Patricia Vicendo,
• Clément Roux and
• Barbara Lonetti

Beilstein J. Nanotechnol. 2020, 11, 180–212, doi:10.3762/bjnano.11.15

Molecular architectonics of DNA for functional nanoarchitectures

• Debasis Ghosh,
• Lakshmi P. Datta and
• Thimmaiah Govindaraju

Beilstein J. Nanotechnol. 2020, 11, 124–140, doi:10.3762/bjnano.11.11

• conductometric measurement-based data provided subnanomolar detection of mercury (≥0.1 nM, 0.02 ppb), which was 100 times lower than the permitted maximum quantity of mercury in water (≈10 nM, ≈2 ppb), as per the United States Environmental Protection Agency (USEPA). The AFM-based measurement also showed

Internalization mechanisms of cell-penetrating peptides

• Ivana Ruseska and
• Andreas Zimmer

Beilstein J. Nanotechnol. 2020, 11, 101–123, doi:10.3762/bjnano.11.10

• organism, as it is responsible for the uptake of transmembrane receptors and transporters, for remodeling the plasma membrane composition in response to environmental changes and for regulating cell surface signaling. Clathrin-mediated endocytosis can be generally described as a process involving the

A review of demodulation techniques for multifrequency atomic force microscopy

• David M. Harcombe,
• Michael G. Ruppert and
• Andrew J. Fleming

Beilstein J. Nanotechnol. 2020, 11, 76–91, doi:10.3762/bjnano.11.8

• particularly suited to intermittent-contact AFM [9] when tip–sample contact is gentle. Environmental damping has a large effect on the quality factor (Q) of the cantilever. Values can range from as low as Q ≈ 1 in liquid [10], up to Q ≈ 10,000 in ultra-high vacuum [11]. This affects the mechanical bandwidth of

Recent progress in perovskite solar cells: the perovskite layer

• Xianfeng Dai,
• Ke Xu and
• Fanan Wei

Beilstein J. Nanotechnol. 2020, 11, 51–60, doi:10.3762/bjnano.11.5

• in 3D perovskite. More importantly, these 2D perovskites offer environmental stability because of their unique properties like larger formation energy and hydrophobicity. Due to these special physical and chemical properties, 2D perovskites play a major role in improving the stability of PSCs under

• continue to emerge [63]. Although some progress on the stability and scalability has been made, these two issues will still be the main challenges of commercializing PSCs in the future. In addition, the environmental impact of lead pollution from Pb-based perovskite materials also limits the large-scale

Fully amino acid-based hydrogel as potential scaffold for cell culturing and drug delivery

• Dávid Juriga,
• Evelin Sipos,
• Orsolya Hegedűs,
• Gábor Varga,
• Miklós Zrínyi,
• Krisztina S. Nagy and
• Angéla Jedlovszky-Hajdú

Beilstein J. Nanotechnol. 2019, 10, 2579–2593, doi:10.3762/bjnano.10.249

• , but at the same time they are permeable for small molecules. One of the most beneficial properties of polymer hydrogels is that they are sensitive to alterations of the local environmental conditions, such as the pH value or temperature. Polymer hydrogels can change their swelling degree depending on

• the changing environmental conditions. Therefore, hydrogels can be used as drug delivery systems [4], implants [5][6], coatings [7][8] or scaffolds for tissue engineering [2][3][9][10]. Besides these stimuli-responsive properties, the chemical and physical structure, the mechanical properties [10] as

• swelling degree of the polymer matrix [13][14][15][16]. Recently, smart hydrogels showing strong and abrupt responses (changes in their swelling degree) to small changes of the environmental conditions have been the subject of extensive research [17][18][19][20][21][22]. The composition of the polymer

Advanced hybrid nanomaterials

• Andreas Taubert,
• Fabrice Leroux,
• Pierre Rabu and
• Verónica de Zea Bermudez

Beilstein J. Nanotechnol. 2019, 10, 2563–2567, doi:10.3762/bjnano.10.247

• .10.247 Keywords: colloidal chemistry; environmental remediation; hybrid nanomaterials; nanocomposite; nanofillers; nanomedicine; nanostructures; polymer fillers; pore templating; smart materials; The Maya blue pigment that was used in Mexico during the VIIIth century is often given as a prototypical

• photosensitizers for biological applications. In this work, it was found that the photodynamic efficacy of the system depends on the substituent at the porphyrin phosphinate groups. Environmental Hybrid nanomaterials may play a key role in the field of environmental research, in which environmental remediation and

Antimony deposition onto Au(111) and insertion of Mg

• Lingxing Zan,
• Da Xing,
• Abdelaziz Ali Abd-El-Latif and
• Helmut Baltruschat

Beilstein J. Nanotechnol. 2019, 10, 2541–2552, doi:10.3762/bjnano.10.245

• “environmental friendly, non-toxic” alternative compared to Li-ion systems owing to their high volumetric capacity [1][2][3][4]. Unlike lithium, magnesium has no tendency to form dendrites during recharge [5]; but on the other hand, the Mg anode is covered with an insulation layer, which is different from the