Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

• Akeem Adeyemi Oladipo and
• Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

• by conventional methods [11][12][13][14]. For the oxidation of organic molecules, AOPs rely on the in situ generation of potent oxidants (reactive oxygen species, ROS) such as hydroxyl or sulfate radicals. AOPs have been broadly categorised in terms of how ROS are produced, including non

• . Different materials based on bismuth have been developed and used for a range of environmental remediation applications. For instance, Mu et al. [46] synthesised a Bi2S3/Bi4O7 heterostructure via an in situ sulfidation approach and utilised it for the degradation of rhodamine B dye under visible-light

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 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

• difficult to implement and tend to cause NP self-aggregation. In situ methods are therefore generally preferred and typically require the polymer film surface to be treated with a metal precursor solution (layer-by-layer [37][38], sol–gel [39]) before undergoing thermal [40] or chemical reduction reactions

• 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

Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

• Mykhailo Nahorniak,
• Pamela Pasetto,
• Jean-Marc Greneche,
• Volodymyr Samaryk,
• Sandy Auguste,
• Anthony Rousseau,
• Nataliya Nosova and
• Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

• single reactor using Fe(III) acetylacetonate as the initial precursor for the synthesis of Fe(III) oleate or Fe(III) undecylate followed by their thermolysis in situ. We proposed a new approach, according to which the essential magnetite precursor (a complex salt of higher acids – Fe(III) alkanoates) is

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

• applications [62]. A very good micro-/nanoscale hierarchical Bi7O9I3/NTC photocatalyst was created in a one-step, easy, and environmentally friendly way by Hou et al., who used an in situ ion exchange–recrystallization approach [63]. The used buffer provided a relatively stable environment for producing

• from solution during in two hours, suggesting a greater photocatalytic effectiveness than that of pure BiOI. To deposit metallic Bi on Bi2WO6 nanosheets, an in situ reduction approach using NaBH4 as the reducing agent was used [64]. Compared to pure Bi2WO6, Bi-coated Bi2WO6 absorbs more visible light

• approach for the in situ synthesis of a series of oxygen-vacancy (OV)-rich Bi0/Bi-based photocatalysts [80]. A new understanding of how Bi0 nanoparticles and OVs are created in situ in Bi-based photocatalysts has been reported. Compared to other Bi-based photocatalysts, Bi0/OV–(BiO)2CO3 showed high

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

• substrate with 100 nm thermal oxide. In situ ellipsometry revealed for EG-based titanicones that the growth initiates but terminates after only 5 to 10 cycles, while for GL-based titanicones the growth proceeds and films have a GPC of 0.9 Å/cycle to 0.2 Å/cycle as the temperature increases. This is due to

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

• electrodes [45]. After removal of the template by acetic acid–acetonitrile solution, permeable MIP-sensing films with an imprinted cavity could be obtained. The real-time adsorption measurements indicated that this MIP film exhibited specific recognition only for S-propranolol. Luo et al. used the in situ

• group of the analyte and pyridyl sites in MIPs. The MIP-based selectors on the QCM surface can be achieved not only by in situ polymerization but also by using premade MIP nanoparticles. Krozer et al. reported the fabrication of QCM chiral sensors by physically entrapping MIP nanoparticles into a spin

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

• a constant controlled rate according to zero-order kinetics [79][80][81]. Drug-loaded soft contact lenses can be classified as non-dissolving implants [82][83]. Satisfactory results are also obtained with in situ gelling liquid implants [84][85] or film forming liquids [86][87][88]. In addition to

A cantilever-based, ultrahigh-vacuum, low-temperature scanning probe instrument for multidimensional scanning force microscopy

• Hao Liu,
• Zuned Ahmed,
• Sasa Vranjkovic,
• Manfred Parschau,
• Andrada-Oana Mandru and
• Hans J. Hug

Beilstein J. Nanotechnol. 2022, 13, 1120–1140, doi:10.3762/bjnano.13.95

• interference extrema must be selected and kept constant. This fine-positioning is performed by the w-piezo tube, which is implemented in the form of a stack of individual piezo plates (Figure 6). Sample and cantilever holders UHV AFM instrumentation typically permits the in situ exchange of samples and

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

• /chitosan/glycerophosphate/silk fibroin were fabricated for bone regeneration applications. Further, in vitro biological assays performed with MC3T3-E1 cells prove the osteogenic properties of the fabricated hydrogel. In addition, in situ experiments were conducted on rat calvarial bone defects for eight

Electrocatalytic oxygen reduction activity of AgCoCu oxides on reduced graphene oxide in alkaline media

• Iyyappan Madakannu,
• Indrajit Patil,
• Bhalchandra Kakade and
• Kasibhatta Kumara Ramanatha Datta

Beilstein J. Nanotechnol. 2022, 13, 1020–1029, doi:10.3762/bjnano.13.89

• atomic-level manipulation using established materials chemistry concepts towards the assembly of functional nanoarchitectonics [25][26][27]. The assembly of nanoscale objects through combination and in situ growth routes, leading to high-performance nanoarchitectonics, is an interesting strategy. An

• interesting choice could be the support/assembly of trimetallic AgCuCo particles via in situ formation integrated with conductive (graphitic) supports to further enhance the electrocatalytic properties regarding the ORR in alkaline medium. We designed trimetallic AgCuCo oxide NPs supported on rGO using a

Bioselectivity of silk protein-based materials and their bio-inspired applications

• Hendrik Bargel,
• Vanessa T. Trossmann,
• Christoph Sommer and
• Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

Ultrafast signatures of magnetic inhomogeneity in Pd_1−xFe_x (x ≤ 0.08) epitaxial thin films

• Andrey V. Petrov,
• Sergey I. Nikitin,
• Lenar R. Tagirov,
• Amir I. Gumarov,
• Igor V. Yanilkin and
• Roman V. Yusupov

Beilstein J. Nanotechnol. 2022, 13, 836–844, doi:10.3762/bjnano.13.74

• beam epitaxy (MBE). The films were 20 nm thick, continuous, and smooth monocrystalline layers. The MBE equipment provided uniformity of the film thickness within 3% on the 1″ lateral size. The film composition x was measured in situ using X-ray photoelectron spectroscopy (all from SPECS, Berlin) with a

Recent advances in nanoarchitectures of monocrystalline coordination polymers through confined assembly

• Lingling Xia,
• Qinyue Wang and
• Ming Hu

Beilstein J. Nanotechnol. 2022, 13, 763–777, doi:10.3762/bjnano.13.67

• building blocks of coordination polymers [94]. Ex situ and in situ characterizations and computer simulations have been employed to investigate and analyze the crystallization processes of several coordination polymers [94][95][96][97]. The results suggest that there are many kinds of prenucleation

• single crystals involving the generation of Cu2L4 SBU and its fragmentation into CuL2. Figure 1c was reprinted from [97], Chem, vol. 8, by J. Han et al., “Determining factors in the growth of MOF single crystals unveiled by in situ interface imaging”, pages 1637-1657, Copyright (2022), with permission

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

• cells themselves in response to the action of the substrate? Atomic force microscopy experiments at the nanoscale were used to measure changes in the elasticity of live cells in situ and to quantify the mechanical response of HPV-PZ-7 and PC-3 cells to the extracellular environment with different

Influence of thickness and morphology of MoS₂ on the performance of counter electrodes in dye-sensitized solar cells

• Lam Thuy Thi Mai,
• Hai Viet Le,
• Ngan Kim Thi Nguyen,
• Van La Tran Pham,
• Thu Anh Thi Nguyen,
• Nguyen Thanh Le Huynh and
• Hoang Thai Nguyen

Beilstein J. Nanotechnol. 2022, 13, 528–537, doi:10.3762/bjnano.13.44

• similar to that of (NH4)2MoS4 reported by Falola and co-workers [28]. The formation of MoS42− ions in the mixture solution is detailed in Equations 1–4 [27][28][29][30]: It should be noted that (NH4)2MoS4 is poorly soluble in water. Hence, the in situ synthesis of MoS42− from (NH4)6Mo7O24 (high solubility

Tunable superconducting neurons for networks based on radial basis functions

• Andrey E. Schegolev,
• Nikolay V. Klenov,
• Sergey V. Bakurskiy,
• Igor I. Soloviev,
• Mikhail Yu. Kupriyanov,
• Maxim V. Tereshonok and
• Anatoli S. Sidorenko

Beilstein J. Nanotechnol. 2022, 13, 444–454, doi:10.3762/bjnano.13.37

• For neural networks based on the considered G-neurons, tunable elements with linear current-to-flux transformation (linear inductors) and memory properties are extremely important [50][51]. Tunability of the inductance l in Figure 1b allows for an in situ switching between operating modes directly on

• carriers (Cooper pairs or superconducting correlations). This approach is the basis of the concept of our tunable in situ Gauss-neuron. A similar idea is used in kinetic inductance devices, which are based on thin superconducting strips [53][54]. They are commonly used for the design of photon detectors

• to adjust the parameters of the studied Gauss-cell (with Gaussian-like activation function) is very important for in situ switching between operating modes. Using microscopic modeling, we have shown that the desired compact tunable passive element can be implemented in the form of a controllable

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

• mechanical stability, and can, thus, be easily damaged during production, storage, and measurement. These disadvantages can be avoided by using an in situ growth process of CuO nanostructures directly on a copper substrate, in the presence of certain surfactants or additives. This method makes it possible to

Electrostatic pull-in application in flexible devices: A review

• Teng Cai,
• Yuming Fang,
• Yingli Fang,
• Ruozhou Li,
• Ying Yu and
• Mingyang Huang

Beilstein J. Nanotechnol. 2022, 13, 390–403, doi:10.3762/bjnano.13.32

• . Electrode materials include diamond, SiC, Si, and Ge. Table 3 summarizes nanowire materials commonly used for NEM switches. The research on NWs-NEM switches can be classified into two types, namely manufacturing techniques and in situ techniques. In the former, the switches are first processed by top-down

• a lateral spacing of 50 nm. The pull-in voltage was −1.8 V and the switching ratio was 105. However, the introduction of heavy doping will increase the risk of failure. In situ technique: In 2010, Andzane et al. [14] used the in situ technique to characterize Mo6S3I6 NW electrodes. The Mo6S3I6 beam

• electrode gap of 6 μm. Kosmaca et al. [39] studied the electrostatic pull-in of Bi2Se3 NW electrodes and determined that the pull-in voltage was 3 V. This technique provides a new method for the connection between the intermediate layer of ITO and the electrode. In [10], they also used the in situ technique

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

• equipped with controlled release systems for chondrogenic differentiation is a major concern of recent investigations. Ansboro et al. have developed a hyaluronan-based chondromimetic microsphere system to deliver transforming growth factor beta 3 (TGF-β3) growth factor for in situ chondrogenic

• growth factors and enables in situ spatial differentiation of MSCs to repair osteochondral defects [23]. It has been reported that microsphere-based structures could be efficiently used for gradient formation [24] and dual growth factor delivery [25]. Microspheres can be incorporated throughout the

• -functionalized NPs could potentially yield a sustained release of growth factors over several weeks [57], in addition to improved stability of the growth factor structure and function [58], both of which are necessary properties for cartilage TE programs. Growth factor supplementation for the in situ

Systematic studies into uniform synthetic protein nanoparticles

• Nahal Habibi,
• Ava Mauser,
• Jeffery E. Raymond and
• Joerg Lahann

Beilstein J. Nanotechnol. 2022, 13, 274–283, doi:10.3762/bjnano.13.22

• function for the scattering intensity to deduce a size distribution spectrum based on signal intensity (or a calculated size distribution based on volume or number of particles). While SEM analysis can provide key insights into the “as manufactured” state, DLS provides insights into the in situ state of

Photothermal ablation of murine melanomas by Fe₃O₄ nanoparticle clusters

• Xue Wang,
• Lili Xuan and
• Ying Pan

Beilstein J. Nanotechnol. 2022, 13, 255–264, doi:10.3762/bjnano.13.20

• ablated A375 melanoma cells by inducing overt apoptosis. Consistently, in vivo studies using BALB/c mice found that intratumoral administration of Fe3O4 NPCs and concomitant in situ exposure to near-infrared light significantly inhibited the growth of implanted tumor xenografts. Finally, we revealed, by

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

• corrosion conditions. Recently, we investigated nanoscale friction on a Zr63Ni22Ti15 (ZrNiTi) MG in phosphate buffer after electrochemical polarization [21]. Our results demonstrated a new method to investigate in situ the structure of surface oxide films grown upon polarization in aqueous solutions using

• , nanotribological in situ experiments are implemented to reveal microscopic corrosion processes. Results and Discussion Potentiodynamic polarisation tests Phosphate buffer and NaCl solution were selected as test solutions because of their differences in corrosion of ZrNiTi MGs. Figure 1a shows potentiodynamic

• offers unique methods to resolve the microscopic corrosion process in situ. Although results were reported here for metallic glasses, we suggest that the study of surface layers and charges by nanotribology can be extended to the understanding of corrosion mechanisms in other metal and alloy systems

Thermal oxidation process on Si(113)-(3 × 2) investigated using high-temperature scanning tunneling microscopy

• Hiroya Tanaka,
• Shinya Ohno,
• Kazushi Miki and
• Masatoshi Tanaka

Beilstein J. Nanotechnol. 2022, 13, 172–181, doi:10.3762/bjnano.13.12

• the literature. Initial oxidation processes were identified based on high-resolution STM images. Keywords: high-index Si surface; in situ measurement; oxidation; scanning tunneling microscopy (STM); Introduction High-index silicon surfaces have drawn considerable interest for their usefulness in

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

• oil to spill into water reservoirs. The lipophilic nature of the oil results in the accumulation of oil–water emulsions. Chemical treatments, mechanical recovery, in situ burning, and bioremediation are some of the primary clean-up methodologies for oil spills [65]. ENH membranes have found

• surfactant-stabilized emulsions, respectively, was observed and obtained solely under the force of gravity [69]. Shang et al. developed superhydrophobic and superoleophilic nanofibrous membranes from electrospun CA with a novel in situ polymerized fluorinated polybenzoxazine (F-PBZ) functional layer with

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

• photoinduced electrons from the CB of BiOBr to that of SnO2, thus prolonging the lifetime of photogenerated electron–hole pairs (Figure 8). The NO-to-NO2 conversion and intermediates and products were confirmed via in situ diffuse reflectance infrared Fourier transform spectroscopy during NO oxidation [70

• 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