Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

• Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

• light is converted to the light of shorter wavelength, which is absorbed by the arylazopyrazole. Resultant isomerization of this dye from the trans form to the cis form breaks down the β-CyD inclusion complex, and induces the decomposition of nanocomposites (blue balls) to release the siRNA. Figure 5

Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating

• Jessica Plé,
• Marine Dabert,
• Helene Lecoq,
• Sophie Hellé,
• Lydie Ploux and
• Lavinia Balan

Beilstein J. Nanotechnol. 2023, 14, 95–109, doi:10.3762/bjnano.14.11

• nanocomposites exhibited remarkable microbial growth inhibitory effects. Keywords: antimicrobial properties; C. albicans fungus; E. coli bacteria; photoinduced functionalized textile; silver/polymer nanomaterials; Introduction The proliferation of microorganisms is a major concern for health organizations

• nanocomposites are prepared via ex situ or in situ approaches, in which MNPs are either synthesized beforehand and subsequently added to a polymer matrix or directly generated inside the polymer film. Ex situ methods include grafting [34], electrostatic [35] or polyol processes [36], but remain relatively

• forces, which ultimately extends the lifetime of the functionalized textile. The antimicrobial properties of MNP-polymer composites have been extensively investigated [42][43][44] and research has gone into functionalizing textile fibers with the nanocomposites in situ [45][46]. Few studies seem to have

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

• Alexander Vakhrushev,
• Aleksey Fedotov,
• Olesya Severyukhina and
• Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

• materials; molecular dynamics; nanocomposites; nanofilms; spintronics; Introduction The analysis of phase transitions and related critical phenomena in condensed media is a complex, time-consuming, and often a high-cost process from a technological point of view [1][2][3]. On the one hand, this is due to

• presence of structural heterogeneities and features, but also to formulate the main laws of their origin and development. This work is devoted to solving an important problem regarding the relationship between the magnetic properties of multilayer nanocomposites and their structure. The problem of studying

• nanocomposite manufacturing were simulated and systematized. This was done to establish the dependence of the structure and characteristics of the nanocomposites on the production parameters, to check the presence of target functional aspects, and to determine controllable properties (i.e., those properties

A TiO₂@MWCNTs nanocomposite photoanode for solar-driven water splitting

• Anh Quynh Huu Le,
• Ngoc Nhu Thi Nguyen,
• Hai Duy Tran,
• Van-Huy Nguyen and
• Le-Hai Tran

Beilstein J. Nanotechnol. 2022, 13, 1520–1530, doi:10.3762/bjnano.13.125

• nanocomposites as photoanode material for photoelectrochemical water splitting. Furthermore, the preparation of TiO2/MWCNTs nanocomposite derived from TiO2 precursors and functionalized MWCMTs for photoelectrochemical water splitting is based on complicated and time-consuming hydrothermal and sol–gel methods

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

• , Romania Nicolae Testemitanu State University of Medicine and Pharmacy, 165 Stefan cel Mare si Sfant ave., MD-2004, Chisinau, Republic of Moldova 10.3762/bjnano.13.123 Abstract This research work focuses on the fabrication and study of a series of nanocomposites consisting of two types of hydroxyapatite

• , which exhibits a strong correlation with porosity, as well as on the mineralization capability and cell viability due to the different dissolution rate. Keywords: bioactivity; hardness; microstructure; nanocomposites; porosity; Introduction Within the last decades increasing emphasis is placed on the

• of nanocomposites with two types of hydroxyapatite, obtained by precipitate (HAP) or sol–gel (HAG) methods, and a boro-silico-phosphate glass in their composition were synthesized and studied. The influence of the type of hydroxyapatite (HAP and HAG), glass content (5% and 10%), and sintering

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

• nanoparticles (AuNPs) [32] based nanocomposites are well established [41] due to their excellent performance. In particular, self-decorated AuNPs in the honeycomb-structured graphene lattice could facilitate the accommodation of a greater number of recognition probes. In addition, Gr is a nanomaterial with a

• the immobilisation of DNA. Supporting Information File 1, Table S1 illustrates the major peaks and their shifting after each modification of the nanocomposites. Modified effective surface area of screen-printed carbon electrodes Cyclic voltammetry (CV) was employed to measure SPCE and modified SPCE at

• Gr/SPCE surface, which was then labelled as AuNPs/Gr/SPCE. Morphological and structural studies of nanomaterials The surface morphology of the nanoparticles and their nanocomposites were analysed using a field-emission scanning electron microscope (model SU8030 Hitachi, Japan), equipped with 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

• synthesizing and applying a semiconductor photocatalyst have been published in recent years. A survey on bismuth-based nanocomposites with the search keywords "Bismuth-based nanoparticles for environmental remediation" from 2011 to 2021 yields roughly 15,995 articles. This data illustrates the interest of the

• [84][85]. Using a straightforward hydrothermal procedure, Hu et al. produced iron-doped Bi2WO6 nanocomposites [84]. In comparison to pristine Bi2WO6, Fe-doped Bi2WO6 exhibits superior visible-light photoabsorption, a considerably increased number of oxygen vacancies, and a noticeably improved capacity

• ] demonstrated the synthesis of a new direct Z-scheme photocatalyst made of ultrathin Bi2O3 and Bi2MoO6 microspheres. For the effective production of Bi2O3/Bi2MoO6 nanocomposites, researchers adopted a simple in situ alkali treatment of Bi2MoO6 followed by calcination. As a substrate for the production of Bi2O3

Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

• Se-Kwon Kim,
• Sesha Subramanian Murugan,
• Pandurang Appana Dalavi,
• Sebanti Gupta,
• Sukumaran Anil,
• Gi Hun Seong and
• Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

• , researchers have tried several ways to develop different materials using chitosan-based nanocomposites of silver, copper, gold, zinc oxide, titanium oxide, carbon nanotubes, graphene oxide, and biosilica. The combination of materials helps in the expression of ideal bone formation genes of alkaline

• formation on rat calvaria defects indicate a strong healing effect and new bone formation on chitosan/absorbable collagen sponges [51]. Chitosan with metal nanomaterials for bone tissue engineering Chitosan–silver nanocomposites Silver nanoparticles (AgNPs) have gained much attention in bone-related implant

• . Further, the developed material shows apatite formation in SBF and it stimulates the growth of MG-63 osteoblast-like cells. In addition, antibacterial activity was discovered against Staphylococcus aureus [85]. Chitosan–gold nanocomposites Gold nanoparticles (AuNPs) have been extensively studied for

Hierarchical Bi₂WO₆/TiO₂-nanotube composites derived from natural cellulose for visible-light photocatalytic treatment of pollutants

• Zehao Lin,
• Zhan Yang and
• Jianguo Huang

Beilstein J. Nanotechnol. 2022, 13, 745–762, doi:10.3762/bjnano.13.66

• prepared by utilizing natural cellulose (e.g., laboratory filter paper) as the structural template. The obtained nanoarchitectonics, namely Bi2WO6/TiO2-NT nanocomposites, displayed three-dimensionally interwoven structures which replicated the initial cellulose template. The composite Bi2WO6/TiO2-NT

• visible light together with an accelerated separation and transfer of the photogenerated electron–hole pairs of the nanocomposites, which resulted in increased effective amounts of photogenerated carriers for the photocatalytic reactions. It was demonstrated that the photoinduced electrons dominated the

• fabricated by depositing Bi2WO6 nanoparticles on hierarchically interwoven TiO2 nanotubes via the solvothermal method, and the densities of Bi2WO6 nanoparticles in the composites were regulated by the concentrations of the precursors. When the Bi2WO6/TiO2-NT nanocomposites were used for the photocatalytic

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

• nanoribbons doped with silver nanoparticles, rGO doped with ZrO2, and CuO–TiO2 hybrid nanocomposites were proposed to detect methyl parathion [19][20][21][22]. Rajaji et al. (2019) modified glassy carbon electrodes with graphene oxide encapsulated 3D porous chalcopyrite (CuFeS2) nanocomposites to detect

• , enhanced electron transport facility, excellent mechanical, thermal, and electrical stability [11][25][26][27]. The electronic structure and surface physicochemistry of graphene are beneficial for electron transfer. Several graphene-based nanocomposites based on complex synthesis processes are reported as

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

• , enhanced Raman scattering for periodic ZnO-elevated Au dimer nanostructures [12] and enhanced fluorescence emission signals from Al-doped ZnO films [13] were obtained. The development of hybrid nanocomposites based on ZnO and noble metals for fluorescence and Raman signal enhancement has recently attracted

• applications [13]. This review article seeks to present the fabrication methods and applications of zinc oxide nanostructures enhancing the photoluminescence emission or the Raman signal of analyte molecules. First, we focus on a wide range of synthesis methods of ZnO nanostructures and nanocomposites based on

• ZnO–metal hybrid nanoparticles. Moreover, we consider the physical phenomena governing both the Raman and fluorescence enhancement using ZnO nanostructures. Review Fabrication of ZnO–noble metal nanocomposites Synthesis of ZnO nanostructures Among the exhaustive list of available physical and chemical

A chemiresistive sensor array based on polyaniline nanocomposites and machine learning classification

• Jiri Kroutil,
• Alexandr Laposa,
• Ali Ahmad,
• Jan Voves,
• Vojtech Povolny,
• Ladislav Klimsa,
• Marina Davydova and
• Miroslav Husak

Beilstein J. Nanotechnol. 2022, 13, 411–423, doi:10.3762/bjnano.13.34

• 1999/2, 182 21 Prague, Czech Republic 10.3762/bjnano.13.34 Abstract The selective detection of ammonia (NH3), nitrogen dioxide (NO2), carbon oxides (CO2 and CO), acetone ((CH3)2CO), and toluene (C6H5CH3) is investigated by means of a gas sensor array based on polyaniline nanocomposites. The array

• coefficient. The resistivity of these nanocomposites depends on the p–n depletion layer width on the interface between the n-type nanoparticles and the surrounding p-type PANi molecules. Gas sensing analysis The gas sensing characterizations of sensitive layers were performed using a custom-built apparatus

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

• biomimetic nanocomposites to imitate pseudostratified features of the ECM to develop bioinspired scaffolds [47][48][49]. 3.1.2.1 Nanoparticles (NPs). In recent years, NPs have been increasingly used in regenerative medicine (Table 1) and other medical areas. NPs have been successfully developed for drug

• hyaline cartilage [58]. In addition to providing a scaffold with controlled release properties, the incorporation of NPs eliminates the need for external and intermittent supplements used to develop nanocomposites and enhances the mechanical properties of hydrogels. The fabrication of a photopolymerized

• maleilated chitosan hydrogel containing micro-/nanoparticles of methacrylated silk fibroin, a natural fibrous protein mimicking the collagen structure, improved the mechanical properties of nanocomposites fabricated for cartilage TE [60]. The development of a magnetic nanocomposite hydrogel from poly(vinyl

Engineered titania nanomaterials in advanced clinical applications

• Padmavati Sahare,
• Paulina Govea Alvarez,
• Juan Manual Sanchez Yanez,
• Gabriel Luna-Bárcenas,
• Samik Chakraborty,
• Sujay Paul and
• Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

• incubation [94]. According to a recent study, nanocomposites could be highly effective in the removal of biofilm and killing of pathogenic bacteria in comparison to pure TiO2 nps without harming healthy human cells. In this context, Baig et al. demonstrated the disinfecting properties of copper oxide

• /titanium dioxide nanocomposites against biofilm-forming and methicillin-resistant strains of Staphylococcus aureus and Pseudomonas aeruginosa [95]. In another novel approach, dip pen nanolithography and soft lithography were used to form a micropattern of a silica sol modified with TiO2 (5% and 10

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

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

• time of SnO2 NPs (a) and Ag@SnO2 (b). Figure 16 was reprinted from [72], Catalysis Communications, vol. 136, by Bui, D. P.; Nguyen, M. T.; Tran, H. H.; You, S.-J.; Wang, Y.-F.; Van Viet, P. “Green synthesis of Ag@SnO2 nanocomposites for enhancing photocatalysis of nitrogen monoxide removal under solar

Sputtering onto liquids: a critical review

• Anastasiya Sergievskaya,
• Adrien Chauvin and
• Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

• SoL is presented including monometallic and alloy NPs, oxide NPs, thin films, and nanocomposites and their promising optical, luminescence, and catalytic properties. Review 1 Theoretical background 1.1 Techniques available for the synthesis of NPs The mass production of NPs with controlled

Enhancement of the piezoelectric coefficient in PVDF-TrFe/CoFe₂O₄ nanocomposites through DC magnetic poling

• Marco Fortunato,
• Alessio Tamburrano,
• Maria Paola Bracciale,
• Maria Laura Santarelli and
• Maria Sabrina Sarto

Beilstein J. Nanotechnol. 2021, 12, 1262–1270, doi:10.3762/bjnano.12.93

• poling; piezoelectric effect; piezoresponse force microscopy (PFM); poly(vinylidene fluoride-co-trifluoroethylene); PVDF-TrFe; PVDF-TrFe nanocomposites; Introduction In the last years, innovative energy harvesting systems based on the piezoelectric effect, able to convert vibrational mechanical energy

• . These included mechanical stretching [19][20], spin coating [21], quenching [22], a combination of the latter two techniques [2], and the addition of external additives to the PVDF matrix, such as metal nanocomposites [14][23], ceramic filler [24], and graphene nanoplatelets (GNPs) and their combination

• piezoelectric response of the PVDF-TrFe/CoFe2O4 nanocomposites we performed PFM. Three different regions of each sample were measured to determine an average piezoelectric coefficient (d33), through a procedure developed to quantitatively evaluate d33 [2][3][31]. For neat PVDF-TrFe we obtained d33 = 4.32 ± 1.07

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

• anode into the EML. A suitable lowest unoccupied molecular level (LUMO) should be capable of blocking electron injection from the EML to the HTL. Thus, HTL play a very important role in OLED and HyLED. With regards to carbon-based nanocomposites, Kim et al. have synthesized SWNT–PVK nanocomposites for

• and Alq3 interface. The study reports that the devices with 10% graphene oxide–Au nanocomposites show approx. 45% improvement in their maximum luminance, maximum current efficiency, and maximum EQE. Similar results were also obtained for AgNP in other studies [67]. Enhancing electron mobility

• (Figure 7) present the best results in terms of luminance and EL emission. In addition, the electron conductivity of the device is increased by four orders of magnitude. Concerning graphene–polymer nanocomposites, Choudhary et al. have inserted MoS2 and graphene oxide NP into a polyaniline ETL [72]. The

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

• ]. The latter can be achieved, for instance, by electro-spinning of carbon–Sb nanofibers, which delivered up to 630 mAh·g−1 at a rate of C/15 [78] (Figure 10B). Further examples are alloy/carbon nanocomposites consisting of Sn/graphene [79], Sb/graphene [80], Sn/carbon foams [79], red P/carbon aerogel

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

• was formed. According to cross-sectional SEM images of the Cu/AAO nanocomposites, the length of the segments obtained at different Ed varied from 6.7 to 9.5 µm (Table 1). The electrodeposition of Cu at Ed = −0.2 V allowed one to obtain arrays of Cu segments with the most uniform length, and thus, this

• the third Cu segment: (a) j–t curves and (b) j–q curves. Characteristic stages of the templated electrodeposition are indicated in panel (a) on the example of the current transient recorded at Ed = −0.1 V. Cross-sectional SEM images of the AAO/Cu/Au/Cu nanocomposites obtained at different deposition

Effects of temperature and repeat layer spacing on mechanical properties of graphene/polycrystalline copper nanolaminated composites under shear loading

• Chia-Wei Huang,
• Man-Ping Chang and
• Te-Hua Fang

Beilstein J. Nanotechnol. 2021, 12, 863–877, doi:10.3762/bjnano.12.65

• structure, graphene is limited as a structural material [7][8]. In addition, research on composite materials found that nanocomposites can provide better performance than a single material [9]. Therefore, three-dimensional graphene composites have been developed in recent years, which exhibit excellent

Silver nanoparticles nucleated in NaOH-treated halloysite: a potential antimicrobial material

• Yuri B. Matos,
• Rodrigo S. Romanus,
• Mattheus Torquato,
• Edgar H. de Souza,
• Rodrigo L. Villanova,
• Marlene Soares and
• Emilson R. Viana

Beilstein J. Nanotechnol. 2021, 12, 798–807, doi:10.3762/bjnano.12.63

• antimicrobial, and that it is possible to imbue a polymeric matrix with the antimicrobial properties of Ag-NPs. Keywords: antimicrobial activity; DIO coating; halloysite; nanocomposites; silver nanoparticles; Introduction The number of people dying from bacterial infections has been significantly reduced with

Recent progress in magnetic applications for micro- and nanorobots

• Ke Xu,
• Shuang Xu and
• Fanan Wei

Beilstein J. Nanotechnol. 2021, 12, 744–755, doi:10.3762/bjnano.12.58

• field of biomedicine. Ceylan et al. [42] also used superparamagnetic nanoparticles to explore 3D-printed biodegradable [17][24] microrobots. These robots could be used for theranostic cargo delivery and release. Embedding superparamagnetic iron oxide nanoparticles [43] in the form of nanocomposites into

Nickel nanoparticle-decorated reduced graphene oxide/WO₃ nanocomposite – a promising candidate for gas sensing

• Ilka Simon,
• Alexandr Savitsky,
• Rolf Mülhaupt,
• Vladimir Pankov and
• Christoph Janiak

Beilstein J. Nanotechnol. 2021, 12, 343–353, doi:10.3762/bjnano.12.28

• rather than superparamagnetic behavior is manifested. Hence, the results of measurements of the magnetic susceptibility and magnetization indicate the presence of only a metallic nickel phase in the Ni@rGO composite after heat treatment in air. Сonclusion Ni@rGO nanocomposites were found to be promising