Single-step extraction of small-diameter single-walled carbon nanotubes in the presence of riboflavin

• Polina M. Kalachikova,
• Anastasia E. Goldt,
• Eldar M. Khabushev,
• Timofei V. Eremin,
• Timofei S. Zatsepin,
• Elena D. Obraztsova,
• Konstantin V. Larionov,
• Liubov Yu. Antipina,
• Pavel B. Sorokin and
• Albert G. Nasibulin

Beilstein J. Nanotechnol. 2022, 13, 1564–1571, doi:10.3762/bjnano.13.130

• exclusive gel chromatography; SWCNT extraction; Introduction The unique physical and chemical properties of single-walled carbon nanotubes (SWCNTs) promise multiple high-end applications varying from biomedicine to photonics and electronics [1][2][3]. Rapid technology development and growing demand for

• to a supercomputer cluster at NUST "MISiS" provided by the Materials Modeling and Development Laboratory and to the Joint Supercomputer Center of the Russian Academy of Sciences. Funding A.G.N and A.E.G thank the Council on grants of the President of the Russian Federation grant number НШ

Photoelectrochemical water oxidation over TiO₂ nanotubes modified with MoS₂ and g-C₃N₄

• Phuong Hoang Nguyen,
• Thi Minh Cao,
• Tho Truong Nguyen,
• Hien Duy Tong and
• Viet Van Pham

Beilstein J. Nanotechnol. 2022, 13, 1541–1550, doi:10.3762/bjnano.13.127

• . The stability of the MoS2/TNAs heterojunction is higher than that of g-C3N4/TNAs. Keywords: band structure; g-C3N4/TiO2; MoS2/TiO2; photoelectrochemical; water splitting; Introduction Hydrogen energy has become a target pursued in the energy development strategies of many countries and regions

• . Hydrogen is often synthesized via hydrocarbon compounds or water electrolysis [1]. Methods to produce hydrogen via electrochemical or photo-electrochemical (PEC) water splitting are considered a future direction of renewable fuel development [2][3][4]. The use of solar energy to activate catalytic

• ability. (i) TNAs only respond to ultraviolet (UV) light [22][23][24], and (ii) they exhibit fast carrier recombination [25]. Recently, the development of new heterojunction architectures through coupling TNAs with other semiconductor materials, especially low-bandgap semiconductors, led to a reduction of

Non-stoichiometric magnetite as catalyst for the photocatalytic degradation of phenol and 2,6-dibromo-4-methylphenol – a new approach in water treatment

• Joanna Kisała,
• Anna Tomaszewska and
• Przemysław Kolek

Beilstein J. Nanotechnol. 2022, 13, 1531–1540, doi:10.3762/bjnano.13.126

• regulations to them [8]. Consequently, there is a growing need to develop processes for removing BPs from wastewater. In recent decades, much attention has been paid to advanced oxidation processes (AOPs) in the research and development of wastewater treatment technologies [7][9]. Processes such as cavitation

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

• Mitzi J. Ramírez-Hernández,
• Mario Valera-Zaragoza,
• Omar Viñas-Bravo,
• Ariana A. Huerta-Heredia,
• Miguel A. Peña-Rico,
• Erick A. Juarez-Arellano,
• David Paniagua-Vega,
• Eduardo Ramírez-Vargas and
• Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

• -dispersive X-ray spectroscopy (EDX), and transmission electron microscopy (TEM) techniques were used to characterize nanoparticle development. The breast cancer cell line MCF-7 was used as a test model to study the cytotoxic behavior of Ag/AgCl nanoparticles and, as a counterpart, the nanoparticles were also

• , agricultural residues, such as fruit peels, have the potential to be used for the development of nanoparticles [10][11][12][13]. Pineapple peel has also been valued as a good source of silver salt-reducing compounds. Pineapple peel extracts have been reported to contain polyphenols such as gallic acid

Hydroxyapatite–bioglass nanocomposites: Structural, mechanical, and biological aspects

• Olga Shikimaka,
• Mihaela Bivol,
• Bogdan A. Sava,
• Marius Dumitru,
• Christu Tardei,
• Beatrice G. Sbarcea,
• Daria Grabco,
• Constantin Pyrtsac,
• Daria Topal,
• Andrian Prisacaru,
• Vitalie Cobzac and
• Viorel Nacu

Beilstein J. Nanotechnol. 2022, 13, 1490–1504, doi:10.3762/bjnano.13.123

• development of new synthetic biomaterials that are perfectly compatible with biological tissue and provide special functionalities for healing, regeneration, and substitution of diseased or injured bones, as an alternative to “allograft” and “autograft” transplantology methods, which have a number of

• composition of bone, has a low resorption in physiologic environment and, therefore, does not form a tough bond with the bone [2]. The development of hydroxyapatite–bioglass (HA-BG) composites aimed to overcome this problem [3][4][5]. In these composites, the biocompatibility of HA is combined with the

• crystallinity fraction of composites. Funding This research work was funded by the National Agency for Research and Development of Moldova – project no. ANCD 20.80009.5007.18 and by the Romanian Ministry of Research, Innovation and Digitization, Agency of Romanian Ministry of Research and Innovation, CNCS

Frequency-dependent nanomechanical profiling for medical diagnosis

• Santiago D. Solares and
• Alexander X. Cartagena-Rivera

Beilstein J. Nanotechnol. 2022, 13, 1483–1489, doi:10.3762/bjnano.13.122

• using quantities based on elastic approximations, which are not capable of properly reproducing their mechanical behavior [16][18][19]. Despite significant progress in the development of sophisticated AFM methodologies, broad adoption of these methods in high-impact biological and healthcare

• healthcare strategies related to diseases or conditions that are associated with mechanical changes in the tissues involved. Some examples include cancer, arteriosclerosis, lupus, arthritis and glaucoma, among others. Within this strategy we highlight the development of application-specific sensors, real

• -time communication with healthcare providers, as well as the development of large databases of robust measurements classified by patient biometrics or as a function of disease progress. Perspective Limited adoption of nanomechanical AFM measurements in broad-impact medical applications AFM is a well

Rapid and sensitive detection of box turtles using an electrochemical DNA biosensor based on a gold/graphene nanocomposite

• Abu Hashem,
• M. A. Motalib Hossain,
• Ab Rahman Marlinda,
• Mohammad Al Mamun,
• Khanom Simarani and
• Mohd Rafie Johan

Beilstein J. Nanotechnol. 2022, 13, 1458–1472, doi:10.3762/bjnano.13.120

• gene has been shown to be a reliable and sensitive method for species identification [49]. In most vertebrates, the cytb gene is approx. 1,140 base pairs in length and demonstrates sufficient interspecies variation [50]. This is why cytb was chosen for the development of a BT-specific probe. A BT

Coherent amplification of radiation from two phase-locked Josephson junction arrays

• Mikhail A. Galin,
• Vladimir M. Krasnov,
• Ilya A. Shereshevsky,
• Nadezhda K. Vdovicheva and
• Vladislav V. Kurin

Beilstein J. Nanotechnol. 2022, 13, 1445–1457, doi:10.3762/bjnano.13.119

• power from one oscillator and the superradiant gain factor is at most N. For large N, this could greatly enhance the emitted power. This is the main motivation for the development of Josephson oscillators based on arrays with many JJs [2][3][6][9][10][12][13][14][15]. Resonant modes formed along five

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

• Yuran Wang,
• Xudong Li,
• Haijun Chen and
• Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

• irradiation, AB-LNPs exhibited synergistic photothermal effects with significantly reduced dosage compared to monotherapy (treatments with Au-LNPs or free BODIPY alone). This study thus provides a facile and adaptive strategy for the development of a scalable and safe high-performance nanoplatform for

• development of Au- and BODIPY-grafted LNPs using a very simple and convenient method. PTT-induced direct anti-tumor effects through photothermal ablation or hyperthermia have been widely studied [28]. AuNPs are one of the most attractive PTAs for biomedical applications because of their biocompatibility and

Orally administered docetaxel-loaded chitosan-decorated cationic PLGA nanoparticles for intestinal tumors: formulation, comprehensive in vitro characterization, and release kinetics

• Sedat Ünal,
• Osman Doğan and
• Yeşim Aktaş

Beilstein J. Nanotechnol. 2022, 13, 1393–1407, doi:10.3762/bjnano.13.115

• compliance and poses a burden in terms of health economy. Especially in the field of chemotherapy research, oral chemotherapy is a subject that has been intensively researched in recent years, and developments in this field will provide serious breakthroughs both scientifically and socially. Development of

• . However, the occurrence of colon carcinomas in the most distant region of the gastrointestinal tract makes the development of oral formulations for colon carcinomas more difficult than that of other formulations [10]. Considering multiple factors such as the variable pH of the gastrointestinal tract

• multiple GIT-related barriers through oral administration of nanoparticulate drug delivery systems. From this point of view, polymeric nanoparticles (NPs) are promising in the development of an oral formulation for colon carcinomas. While it protects the drug from various destructive effects of GIT with

LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

• Nirmalendu S. Mishra and
• Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

• of electrons in the HBN lattice. This results in photoinactivity due to a wider bandgap (5.5 eV) and limits its applicability to adsorption, drug delivery, insulators, flame retardants, hydrogen storage, among others [3][4][5][6][7][8][9]. This dictates the development of various innovative

• variation in the structural morphology results in development of multiple active sites that ensure adsorption and effective charge transfer [10]. On the other hand, HBN has been utilised as a support material in the formation of heterojunctions owing to its large surface area and separation of charge

Dry under water: air retaining properties of large-scale elastomer foils covered with mushroom-shaped surface microstructures

• Matthias Mail,
• Stefan Walheim,
• Thomas Schimmel,
• Wilhelm Barthlott,
• Stanislav N. Gorb and
• Lars Heepe

Beilstein J. Nanotechnol. 2022, 13, 1370–1379, doi:10.3762/bjnano.13.113

• Notonecta, show long term stable air retention even under hydrodynamic conditions. Therefore, they are ideal models for the development of technical biomimetic air retaining surfaces. Up to now, several prototypes of such surfaces have been developed, but none provides both, stable air retention and cost

• and that the biomimetic elastomer foil is a promising base for the development of an economically and efficient biomimetic air retaining surface for a broad range of technical applications. Keywords: adhesive tape; air layer; air retention; bionics; fouling; gecko tape; mushroom structures; passive

• for the development of biomimetic air retaining surfaces have been found [1]. Transferring these parameters into technical surfaces, different prototypes have been developed, showing air retention over several years and drag reduction values up to 30% [24][36]. Up to now, all these prototypes are only

Supramolecular assembly of pentamidine and polymeric cyclodextrin bimetallic core–shell nanoarchitectures

• Alexandru-Milentie Hada,
• Nina Burduja,
• Marco Abbate,
• Claudio Stagno,
• Guy Caljon,
• Louis Maes,
• Nicola Micale,
• Massimiliano Cordaro,
• Angela Scala,
• Antonino Mazzaglia and
• Anna Piperno

Beilstein J. Nanotechnol. 2022, 13, 1361–1369, doi:10.3762/bjnano.13.112

• distribution of the metallic element determines the structural characteristics of the resulting BMNPs (i.e., alloy, core–shell, or intermediate stages) [6]. The scientific value of noble MNPs and BMNPs has been recently highlighted by the development of novel antimicrobial agents with remarkable activity

• antimicrobial drugs are considered the next-generation antimicrobials, although their development is still confined to the lab bench due to NP colloidal instability [11][24]. In line with this research topic, herein we describe the preparation of Au@Ag NPs capped with PolyCD and loaded with Pent (i.e., nanoGSP

Straight roads into nowhere – obvious and not-so-obvious biological models for ferrophobic surfaces

• Wilfried Konrad,
• Christoph Neinhuis and
• Anita Roth-Nebelsick

Beilstein J. Nanotechnol. 2022, 13, 1345–1360, doi:10.3762/bjnano.13.111

• -reducing surface for boat hulls with textile materials, including tests of a prototype. In this case, the biological model of Salvinia-like protrusions was also initially in the focus, following a top-down process. In the course of the project, after experiencing some difficulties with the development of

• ”, which disrupts the water chain and causes conduit failure by the development of embolism, meaning gas (air) spaces interrupting parts of the transport pathway [42]. Because air seeding events are inevitable, trees developed safety measures to minimise the consequences. Of essential importance is the

• models with biological functions [15]. The presented project example demonstrates the problem with the function in biomimetics quite nicely. The desired technical development was to devise an external surface of an object that repels a liquid, namely hot iron, reliably by allowing for the formation of an

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

• Vishal Dutta,
• Ankush Chauhan,
• Ritesh Verma,
• C. Gopalkrishnan and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

• , Kelambakkam, Tamil Nadu, 603103, India University Centre for Research and Development, Chandigarh University, 140413, India Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Tamil Nadu, 603203, India 10.3762/bjnano.13.109 Abstract One of the most enticing approaches to

• of heterojunctions, crystal plane management, and defect development, to enhance the photocatalytic efficacy of pristine Bi-based photocatalysts [1][30]. The photocatalytic processes of Bi-based photocatalytic applications have received little attention in environmental remediation and energy

Bending and punching characteristics of aluminum sheets using the quasi-continuum method

• Man-Ping Chang,
• Shang-Jui Lin and
• Te-Hua Fang

Beilstein J. Nanotechnol. 2022, 13, 1303–1315, doi:10.3762/bjnano.13.108

• the punch should not be larger than 10°, otherwise, it might damage the workpiece and the substrate. Keywords: nano-punching; quasi-continuum method; single-crystalline aluminum; Introduction Nanotechnology has greatly improved the development of high-tech industries such as biomedicine

Studies of probe tip materials by atomic force microscopy: a review

• Ke Xu and
• Yuzhe Liu

Beilstein J. Nanotechnol. 2022, 13, 1256–1267, doi:10.3762/bjnano.13.104

• and disadvantages of the improved probes compared with ordinary probes by comparing the differences in spatial resolution, sensitivity, imaging, and other performance aspects, and finally provides an outlook on the future development of AFM probes. This paper promotes the development of AFM probes in

• disadvantages of the improved probes compared with ordinary probes by comparing the differences in performance in terms of spatial resolution, sensitivity, and imaging, and finally provides an outlook on the future development of AFM probes. Review Metal probe Metal nanocluster probe Metal nanoclusters contain

• the tip's high spreading ratio and exceptional sharpness. This technique can be applied to other types of metal nanowire probes, and with further development, composite nanowire probes can be generated by different precursor gases. The tungsten nanowire probes have a diameter of about 5–10 nm and

Role of titanium and organic precursors in molecular layer deposition of “titanicone” hybrid materials

• Arbresha Muriqi and
• Michael Nolan

Beilstein J. Nanotechnol. 2022, 13, 1240–1255, doi:10.3762/bjnano.13.103

• Arbresha Muriqi Michael Nolan Tyndall National Institute, University College Cork, Lee Maltings, T12 R5CP Cork, Ireland 10.3762/bjnano.13.103 Abstract The development of hybrid inorganic–organic films with well-controlled properties is important for many applications. Molecular layer deposition

Roll-to-roll fabrication of superhydrophobic pads covered with nanofur for the efficient clean-up of oil spills

• Patrick Weiser,
• Robin Kietz,
• Marc Schneider,
• Matthias Worgull and
• Hendrik Hölscher

Beilstein J. Nanotechnol. 2022, 13, 1228–1239, doi:10.3762/bjnano.13.102

• with small holes, so that oil passes through the polymeric film while water, due to its high contact angle with the surface, cannot penetrate the holes. As shown in the following, we used this property for the development of an exemplary product made of nanofur for the clean-up of oil spills, so-called

A super-oscillatory step-zoom metalens for visible light

• Yi Zhou,
• Chao Yan,
• Peng Tian,
• Zhu Li,
• Yu He,
• Bin Fan,
• Zhiyong Wang,
• Yao Deng and
• Dongliang Tang

Beilstein J. Nanotechnol. 2022, 13, 1220–1227, doi:10.3762/bjnano.13.101

• the device’s ability to modulate the optical field effectively, which, in turn, limits the performance of super-oscillatory lenses (e.g., efficiency and large sidelobe). The development of metasurfaces has provided an effective approach to modulating amplitude, phase, and polarization of the optical

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• volatile organic compounds (VOCs) with a remarkable degree of selectivity, which may promote the development of electronic nose systems for chiral analytes. Metal–organic frameworks. Metal–organic frameworks (MOFs) are unique porous crystalline materials fabricated by the self-assembly of metal ions or

Application of nanoarchitectonics in moist-electric generation

• Jia-Cheng Feng and
• Hong Xia

Beilstein J. Nanotechnol. 2022, 13, 1185–1200, doi:10.3762/bjnano.13.99

• unique application, together with a rapid development in recent years, in the emerging field of moist-electric generators (MEGs), which are primarily based on the electrokinetic effect. The earliest quantitative experiments of the electrokinetic effect were mentioned in 1852 by Gustav Wiedemann [4]. He

• contributed significantly to the development of the principle exploration of MEG. Future research work should be inspired by these proof-of-principle studies to develop innovative advances. 2.2 Metal compounds Metal oxide and transition metal chalcogenide materials perform similarly in MEGs. These materials

• traditional chemical batteries. Therefore, the application and development of MEGs in the future should focus on miniaturization and increased power output. Also, MEGs can be used in a similar way to solar cells but with fewer limitations. It is probably not too long before MEGs will be successfully applied

Microneedle-based ocular drug delivery systems – recent advances and challenges

• Piotr Gadziński,
• Anna Froelich,
• Monika Wojtyłko,
• Antoni Białek,
• Julia Krysztofiak and
• Tomasz Osmałek

Beilstein J. Nanotechnol. 2022, 13, 1167–1184, doi:10.3762/bjnano.13.98

• developments in microtechnology, in recent years, there has been a remarkable advance in the development of microneedle-based systems as an alternative, non-invasive form for administering drugs to the eye. This review summarizes the latest achievements in the field of obtaining microneedle ocular patches. In

• and revolutionize the treatment of ophthalmic diseases [99]. However, due to the very small size, injections with the use of microneedles require properly trained specialists as well as the use of advanced equipment [95][100]. Simultaneously with the development of single-microneedle technologies

• are currently at the stage of development and basic research, but the interest in them is systematically growing, which is reflected in numerous scientific and popular science publications. Microneedle ocular patches for the delivery of pilocarpine, a model drug usually employed in the treatment of

Rapid fabrication of MgO@g-C₃N₄ heterojunctions for photocatalytic nitric oxide removal

• Minh-Thuan Pham,
• Duyen P. H. Tran,
• Xuan-Thanh Bui and
• Sheng-Jie You

Beilstein J. Nanotechnol. 2022, 13, 1141–1154, doi:10.3762/bjnano.13.96

• simple way to synthesize photocatalytic heterojunction materials with high reusability and the potential of heterojunction photocatalysts in the field of environmental remediation. Keywords: g-C3N4; MgO; nitric oxide; photocatalyst; visible light; Introduction The rapid development of industrialization

• test, electron spin resonance (ESR) measurements, and other methods. This work might be helpful for the development of MgO@g-C3N4 heterojunction materials. Experimental Synthesis of MgO/g-C3N4 For the synthesis of g-C3N4, 30 g of urea was ground manually for 30 min and then placed in a 100 mL crucible

Green synthesis of zinc oxide nanoparticles toward highly efficient photocatalysis and antibacterial application

• Vo Thi Thu Nhu,
• Nguyen Duy Dat,
• Le-Minh Tam and
• Nguyen Hoang Phuong

Beilstein J. Nanotechnol. 2022, 13, 1108–1119, doi:10.3762/bjnano.13.94

• blue; methyl orange; rosin; ZnO nanoparticles; Introduction Currently, industrial development has generated a large number of pollutants which are released into the environment. The textile industry is one of the sources of organic pollution which is harmful to the environment and humans. Various

• physical routes have their own disadvantages, such as adverse environmental effects due to the use of environmentally unfriendly chemicals or to the release of heat into the environment [17]. Therefore, the development of green approaches is necessary. The biosynthetic process using plant extracts as an

• Materials Rosin was purchased from a Vietnamese company (Loc Thien Investment development Co., Ltd.), which was produced by distilling turpentine from Pinus latteri trees in Vietnam. The rosin used in this study is a clear, hard, brittle solid, which is light yellow to pink in color. Zinc chloride (ZnCl2