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

• absorption bands of the reaction products are also a consequence of the capacity of the extract metabolites to act as capping agents for the formation of nanoparticles. Morphological characterization Although the data obtained by XRD and FTIR do not show significant differences in the formation of

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

• DCX-loaded nanoparticles Morphological properties of NPs are among the most important factors influencing the efficacy of drugs and determining the fate of NP systems. It has been reported that the NP morphology significantly affects circulation time and cellular uptake of NPs [44]. Morphological

• characterization of both coated and uncoated DCX-PLGA NPs was carried out by scanning electron microscopy (SEM). As it can be seen in Figure 1, both formulations exhibit perfectly round spheres with smooth surfaces. No free DCX crystals were found in the SEM pictures of any formulation, confirming that DCX was

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

• ultrapure water. The results are reported as the mean of three separate measurements ± the standard deviation (SD). The morphological characterization was performed using a high-resolution TecnaiG2 F20 XTWIN TEM with a 200 kV accelerating voltage. NMR spectra were recorded on a Varian 500 MHz spectrometer

A new method for obtaining the magnetic shape anisotropy directly from electron tomography images

• Cristian Radu,
• Ioana D. Vlaicu and
• Andrei C. Kuncser

Beilstein J. Nanotechnol. 2022, 13, 590–598, doi:10.3762/bjnano.13.51

• ]. Projection imaging is still the standard in morphological characterization but provides incomplete information. Although 3D imaging emphasizes the full morphology, most software provide generally volumes and surfaces of the investigated entities. The quantitative description of their morphology is considered

• . Based on the complete morphological characterization of the system via transmission electron tomography and an a priori knowledge of the magnetization, statistical information regarding the orientation of MNPs (Figure 6a) as well as their shape anisotropy (Figure 6b) has been obtained. This kind of

A Au/CuNiCoS₄/p-Si photodiode: electrical and morphological characterization

• Adem Koçyiğit,
• Adem Sarılmaz,
• Teoman Öztürk,
• Faruk Ozel and
• Murat Yıldırım

Beilstein J. Nanotechnol. 2021, 12, 984–994, doi:10.3762/bjnano.12.74

• holes. The stoichiometric composition of the CuNiCoS4 nanocrystals was analyzed with EDS, and the results are given in Figure 2e. The chemical composition of the nanocrystals was determined as Cu1.24(NiCo)2.08S4, which is close to the theoretical composition (CuCo2S4). The morphological characterization

Towards 3D self-assembled rolled multiwall carbon nanotube structures by spontaneous peel off

• Jonathan Quinson

Beilstein J. Nanotechnol. 2020, 11, 1865–1872, doi:10.3762/bjnano.11.168

• first observed by the naked eye. Based on a morphological characterization from a previous work [16], four distinct sections are identified along the MWCNT forest. From top to bottom (bottom is marked by the silicon substrate at the bottom of the image), one can see a “wavy”, a “straight”, another “wavy

Cu₂O nanoparticles for the degradation of methyl parathion

• Juan Rizo,
• David Díaz,
• Benito Reyes-Trejo and
• M. Josefina Arellano-Jiménez

Beilstein J. Nanotechnol. 2020, 11, 1546–1555, doi:10.3762/bjnano.11.137

• and a HSA of 50 eV pass energy. Results and Discussion Characterization of Cu2O NPs with powder XRD and HRTEM The structural and morphological characterization of Cu2O NPs was carried out using powder X-ray diffraction and high-resolution transmission electron microscopy. Copper(I) oxide is

Exfoliation in a low boiling point solvent and electrochemical applications of MoO₃

• Matangi Sricharan,
• Bikesh Gupta,
• Sreejesh Moolayadukkam and
• H. S. S. Ramakrishna Matte

Beilstein J. Nanotechnol. 2020, 11, 662–670, doi:10.3762/bjnano.11.52

• nanosheets of MoO3, respectively. Along with the morphological characterization it is also important to assess the chemical nature of the exfoliated nanosheets. It was previously observed that the exfoliation of MoO3 in some low boiling point alcohols (IPA, ethanol) and mixed solvent systems based on H2O

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

• /Zn(Ac)2]/[PVDF/PAN] = 1:3 were prepared, and the effects of the weight ratio of PVDF to PAN on the CNFMs were examined. Morphological characterization: The morphology of the CNFMs with different weight ratios of PVDF to PAN was characterized by SEM. The SEM images of the electrospun CNFMs and the

• )2 and Zn(Ac)2 on the CNFMs Electrospun Cu(Ac)2/Zn(Ac)2/PVDF/PAN CNFMs with a weight ratio of PVDF/PAN = 5:5 were fabricated, and the effects of the weight ratio of added Cu(Ac)2 and Zn(Ac)2 were examined. Morphological characterization: SEM images of the CNFMs with different weight ratios between Cu

• CNFMs To illustrate the effects of heat-treatment temperature on the morphology of the CNFMs, the temperatures set to 80, 100, 120, 140, 160 and 180 °C. The heat-treatment time was 2 h in all cases. Morphological characterization: Figure 10 shows SEM images of PVDF/PAN CNFMs with CuO and ZnO

Label-free highly sensitive probe detection with novel hierarchical SERS substrates fabricated by nanoindentation and chemical reaction methods

• Jingran Zhang,
• Tianqi Jia,
• Yongda Yan,
• Li Wang,
• Peng Miao,
• Yimin Han,
• Xinming Zhang,
• Guangfeng Shi,
• Yanquan Geng,
• Zhankun Weng,
• Daniel Laipple and
• Zuobin Wang

Beilstein J. Nanotechnol. 2019, 10, 2483–2496, doi:10.3762/bjnano.10.239

• include not only complex micro/nanostructures, but also Ag nanoparticles are generated on the Cu(110) surface. This method can be successfully applied to discriminate pesticide residues or viruses at very small quantities. Results and Discussion Morphological characterization for various feeds Scanning

Lipid nanostructures for antioxidant delivery: a comparative preformulation study

• Elisabetta Esposito,
• Maddalena Sguizzato,
• Markus Drechsler,
• Paolo Mariani,
• Federica Carducci,
• Claudio Nastruzzi,
• Giuseppe Valacchi and
• Rita Cortesi

Beilstein J. Nanotechnol. 2019, 10, 1789–1801, doi:10.3762/bjnano.10.174

• loaded in NLCs with respect to an unloaded TOC solution. Conclusion This work has underlined the importance of technological screening in the design of a nanoparticulate lipid dosage formulation. Notably, dimensional and morphological characterization of nanoparticles should be performed at different

Study of silica-based intrinsically emitting nanoparticles produced by an excimer laser

• Imène Reghioua,
• Mattia Fanetti,
• Sylvain Girard,
• Diego Di Francesca,
• Simonpietro Agnello,
• Layla Martin-Samos,
• Marco Cannas,
• Matjaz Valant,
• Melanie Raine,
• Marc Gaillardin,
• Nicolas Richard,
• Philippe Paillet,
• Aziz Boukenter,
• Youcef Ouerdane and
• Antonino Alessi

Beilstein J. Nanotechnol. 2019, 10, 211–221, doi:10.3762/bjnano.10.19

• , changing the spot size or other irradiation parameters) can induce generation as well; ii) the possibility to generate nanoparticles from undoped silica, using higher energy per pulse; and iii) improved structural and morphological characterization of the nanoparticles using TEM and STEM, as well as

Size-selected Fe₃O₄–Au hybrid nanoparticles for improved magnetism-based theranostics

• Maria V. Efremova,
• Yulia A. Nalench,
• Eirini Myrovali,
• Anastasiia S. Garanina,
• Ivan S. Grebennikov,
• Polina K. Gifer,
• Maxim A. Abakumov,
• Marina Spasova,
• Makis Angelakeris,
• Alexander G. Savchenko,
• Michael Farle,
• Natalia L. Klyachko,
• Alexander G. Majouga and
• Ulf Wiedwald

Beilstein J. Nanotechnol. 2018, 9, 2684–2699, doi:10.3762/bjnano.9.251

• as the mean ± SD, **p < 0.01, ***p < 0.001 (one-way ANOVA). Results of the structural and morphological characterization by TEM and XRD. The NP size distribution, volume fraction of Fe3O4 and Au, lattice parameter (a), and crystallite size are listed. Mass fraction of Fe3O4 and Au in the samples, as

Enhanced antineoplastic/therapeutic efficacy using 5-fluorouracil-loaded calcium phosphate nanoparticles

• Shanid Mohiyuddin,
• Saba Naqvi and
• Gopinath Packirisamy

Beilstein J. Nanotechnol. 2018, 9, 2499–2515, doi:10.3762/bjnano.9.233

•  1). The absence of fluorine in the EDS analysis confirms the presence of the drug encapsulated inside the aqueous core of the nanoparticles. The size of the as-synthesized CaP@5-FU NPs was thus confirmed by FE-SEM. The morphological characterization was also confirmed with the help of atomic force

Synthesis of a MnO₂/Fe₃O₄/diatomite nanocomposite as an efficient heterogeneous Fenton-like catalyst for methylene blue degradation

• Zishun Li,
• Xuekun Tang,
• Kun Liu,
• Jing Huang,
• Yueyang Xu,
• Qian Peng and
• Minlin Ao

Beilstein J. Nanotechnol. 2018, 9, 1940–1950, doi:10.3762/bjnano.9.185

• surface chemical composition results obtained from the XPS analysis ensure the formation of Fe3O4 and MnO2, which further confirms the observation from the previous structural and morphological characterization. Figure 7 shows the N2 adsorption–desorption isotherms and corresponding pore-size

Synthesis of hafnium nanoparticles and hafnium nanoparticle films by gas condensation and energetic deposition

• Irini Michelakaki,
• Nikos Boukos,
• Dimitrios A. Dragatogiannis,
• Spyros Stathopoulos,
• Costas A. Charitidis and
• Dimitris Tsoukalas

Beilstein J. Nanotechnol. 2018, 9, 1868–1880, doi:10.3762/bjnano.9.179

• supported by the system. Thus, D = 100 mm led to the biggest Hf nanoparticle dimensions. No size selection was applied and Hf NPs with a size distribution were fabricated. Soft landing – morphological characterization The dimensions (diameter and height) of the Hf NPs were examined by TEM (Figure 1) and AFM

• be below 1 eV/atom, which is still below the cohesive energy of hafnium. Thus, from these energy values we expect mainly the deformation of the NPs [43]. Energetic deposition – morphological characterization TEM images of Hf nanoparticles deposited using substrate bias voltages of Vs = 0, 2 and 4.5

Automated image segmentation-assisted flattening of atomic force microscopy images

• Yuliang Wang,
• Tongda Lu,
• Xiaolai Li and
• Huimin Wang

Beilstein J. Nanotechnol. 2018, 9, 975–985, doi:10.3762/bjnano.9.91

• . Additionally, the role of image flattening on the morphological characterization and segmentation of AFM images were verified with the proposed method. Keywords: atomic force microscopy; contour expansion; image flattening; polynomial fitting; sliding window; Introduction Since its invention, the atomic

• flattening methods will first be conducted. The sliding-window-based MEF is then introduced, followed by an investigation of the influence of sliding-window size and fitting direction on the flattened images. Finally, the role of image flattening on morphological characterization and image segmentation of

• features for image flattening. Additionally, a standard calibration grating (10 µm-pitch grid, Bruker) with a nominal depth of 180 nm was also applied to demonstrate the role of image flattening on morphological characterization of AFM images. All AFM images used in this study were obtained on a commercial

Electro-optical interfacial effects on a graphene/π-conjugated organic semiconductor hybrid system

• Karolline A. S. Araujo,
• Luiz A. Cury,
• Matheus J. S. Matos,
• Thales F. D. Fernandes,
• Luiz G. Cançado and
• Bernardo R. A. Neves

Beilstein J. Nanotechnol. 2018, 9, 963–974, doi:10.3762/bjnano.9.90

• produced ultrathin 2D-like RA films. Figure 1 summarizes the morphological characterization of retinoic acid self-assembled films on graphite microplates prepared via spin-coating (see Experimental section). Since the adsorbing species interaction with monolayer graphene can be largely influenced by the

• substrates, whereas graphite microplate substrates, used in SPM and PL experiments, were deposited on and electrically connected to Ag-coated metallic substrates. The SPM measurements were performed using a Nanoscope V MultiMode SPM from Bruker and morphological characterization was carried out in either

• fitting analysis are shown in the first line of the table. Supporting Information Supporting Information File 66: Supporting Information File 1 contains morphological characterization of retinoic acid deposited on different substrates; morphological and electrical characterization of graphite microplate

Robust nanobubble and nanodroplet segmentation in atomic force microscope images using the spherical Hough transform

• Yuliang Wang,
• Tongda Lu,
• Xiaolai Li,
• Shuai Ren and
• Shusheng Bi

Beilstein J. Nanotechnol. 2017, 8, 2572–2582, doi:10.3762/bjnano.8.257

• potential for numerous applications. As a result, the automated segmentation and morphological characterization of NBs and NDs in atomic force microscope (AFM) images is highly awaited. The current segmentation methods suffer from the uneven background in AFM images due to thermal drift and hysteresis of

• . After that, the so-called contour expansion operation was applied to achieve optimized boundaries. The principle and the detailed procedure of the proposed method were presented, followed by the demonstration of the automated segmentation and morphological characterization. The result shows that the

• nanostructures on polymer [15] and highly oriented pyrolytic graphite (HOPG) surfaces [16]. In general, NBs and NDs are 100–800 nm in width and 10–100 nm in height. They are generally studied by atomic force microscopes (AFM) due to their high spatial measurement resolution. The morphological characterization of

Fabrication of black-gold coatings by glancing angle deposition with sputtering

• Alan Vitrey,
• Rafael Alvarez,
• Alberto Palmero,
• María Ujué González and
• José Miguel García-Martín

Beilstein J. Nanotechnol. 2017, 8, 434–439, doi:10.3762/bjnano.8.46

• with the substrate being parallel to the target, i.e., σ = 0°, the same power (100 W) and the equivalent deposition time to get the same amount of material per area as in the GLAD configuration. The morphological characterization has been obtained by field emission scanning electron microscopy (FESEM

Electric field induced structural colour tuning of a silver/titanium dioxide nanoparticle one-dimensional photonic crystal

• Eduardo Aluicio-Sarduy,
• Simone Callegari,
• Diana Gisell Figueroa del Valle,
• Andrea Desii,
• Ilka Kriegel and
• Francesco Scotognella

Beilstein J. Nanotechnol. 2016, 7, 1404–1410, doi:10.3762/bjnano.7.131

• crystal device. Transmission spectra simulated with the transfer matrix method for a Ag/TiO2 nanoparticle photonic crystal device with three different carrier densities. Supporting Information Supporting Information File 192: Morphological characterization of the sample with atomic force microscopy and

Improved lithium-ion battery anode capacity with a network of easily fabricated spindle-like carbon nanofibers

• Mengting Liu,
• Wenhe Xie,
• Lili Gu,
• Tianfeng Qin,
• Xiaoyi Hou and
• Deyan He

Beilstein J. Nanotechnol. 2016, 7, 1289–1295, doi:10.3762/bjnano.7.120

• PAN in 5 mL DMF, as well as dissolving 0.05 g C3N3(NH2)3 and 0.4 g PAN in another 5 mL DMF, respectively. Characterization of the carbon network The microstructural and morphological characterization of the as-fabricated carbon networks were conducted by field-emission scanning electron microscopy (FE

Gold nanoparticles covalently assembled onto vesicle structures as possible biosensing platform

• M. Fátima Barroso,
• M. Alejandra Luna,
• Juan S. Flores Tabares,
• Cristina Delerue-Matos,
• N. Mariano Correa,
• Fernando Moyano and
• Patricia G. Molina

Beilstein J. Nanotechnol. 2016, 7, 655–663, doi:10.3762/bjnano.7.58

• sensible to the conditions under which they are formed. As the irradiation time modifies the nanoparticle morphology we decided to irradiate for longer time, in this case, 13 min. Some techniques, such as UV–vis spectroscopy and TEM were used to perform the morphological characterization of the AuNPs

Nanofibers for drug delivery – incorporation and release of model molecules, influence of molecular weight and polymer structure

• Jakub Hrib,
• Jakub Sirc,
• Radka Hobzova,
• Zuzana Hampejsova,
• Zuzana Bosakova,
• Marcela Munzarova and
• Jiri Michalek

Beilstein J. Nanotechnol. 2015, 6, 1939–1945, doi:10.3762/bjnano.6.198

• not noticeably influence the nanofiber structure. According to the results of morphological characterization, the nanofibrous structures remained similar to those of nanofibers without model molecules, even for nanofibers that contained PEG 20 (Figure 2d–f). Clusters or other artifacts were not

• possible. However, the morphological characterization revealed several differences in the parameters of resultant samples (Table 1). The thinnest fibers with a mean fiber diameter 157 nm were prepared from PVA, and the thickness of PCL nanofibers (179 nm) was almost similar to this value. PLA fibers were

• . Morphological characterization of nanofibrous carriers. Acknowledgement The financial support of the Ministry of Education, Youth and Sports of the Czech Republic (grant No. EE2.3.30.0029), the Grant Agency of the Czech Republic (grant No. 13-00939S), the Charles University in Prague (project no. 307115 and

Fulleropeptide esters as potential self-assembled antioxidants

• Mira S. Bjelaković,
• Tatjana J. Kop,
• Jelena Đorđević and
• Dragana R. Milić

Beilstein J. Nanotechnol. 2015, 6, 1065–1071, doi:10.3762/bjnano.6.107

• the subject of interest of Nakanishi's research group [12][13]. Although the morphological characterization of the self-organized fulleropeptide nanoparticles has not been extensively studied thus far, the formation of ordered superstructures under controllable conditions through the process of self

• , peptide, and steroid units [25], which possess in vitro antioxidant activity. Additionally, morphological characterization of self-organized structures of fullerene–steroid [26] and fullerene–peptide–steroid hybrids [25] in solution and in the solid state was studied by SEM. In our previous work [27], we