Nanoarchitectonics of the cathode to improve the reversibility of Li–O₂ batteries

• Hien Thi Thu Pham,
• Jonghyeok Yun,
• So Yeun Kim,
• Sang A Han,
• Jung Ho Kim,
• Jong-Won Lee and
• Min-Sik Park

Beilstein J. Nanotechnol. 2022, 13, 689–698, doi:10.3762/bjnano.13.61

• /CNT (1.13) and Zn4Co1–C/CNT (1.23) composites. Transmission electron microscopy (TEM) observations with corresponding fast Fourier transform (FFT) patterns confirm the different crystallinity of ZnxCoy–C particles, depending on the concentration of Co during the synthesis. After the carbonization, the

Antibacterial activity of a berberine nanoformulation

• Hue Thi Nguyen,
• Tuyet Nhung Pham,
• Anh-Tuan Le,
• Nguyen Thanh Thuy,
• Tran Quang Huy and
• Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2022, 13, 641–652, doi:10.3762/bjnano.13.56

• transmission electron microscopy (TEM, JEM1010, JEOL). The dynamic average size distribution and the stability of the prepared BBR NPs in aqueous solution were evaluated by dynamic light scattering (DLS) using a Zetasizer Nano ZS, Malvern Instruments. Antibacterial activity of BBR NPs The antibacterial

Sodium doping in brookite TiO₂ enhances its photocatalytic activity

• Boxiang Zhuang,
• Honglong Shi,
• Honglei Zhang and
• Zeqian Zhang

Beilstein J. Nanotechnol. 2022, 13, 599–609, doi:10.3762/bjnano.13.52

• , which is different from that observed via scanning electron microscopy (SEM) or transmission electron microscopy (TEM). Samples calcinated at 300–600 °C have a similar crystal size (ranging from 39–43 nm), suggesting that there is no obvious correlation between the crystal size and the photocatalytic

Detection and imaging of Hg(II) in vivo using glutathione-functionalized gold nanoparticles

• Gufeng Li,
• Shaoqing Li,
• Rui Wang,
• Min Yang,
• Lizhu Zhang,
• Yanli Zhang,
• Wenrong Yang and
• Hongbin Wang

Beilstein J. Nanotechnol. 2022, 13, 549–559, doi:10.3762/bjnano.13.46

• excitation at 516 nm was chosen as the signal of the GNPs-GSH-Rh6G2. Characterization of GNPs-GSH-Rh6G2 To confirm the formation of GNPs-GSH-Rh6G2, transmission electron microscopy (TEM) was carried out (insets of Figure 2a–c). The TEM image in Figure 2a shows that pure GNPs were well dispersed with a

Alcohol-perturbed self-assembly of the tobacco mosaic virus coat protein

• Ismael Abu-Baker and
• Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2022, 13, 355–362, doi:10.3762/bjnano.13.30

• electron microscopy (TEM) by the strong transverse striations visible in stacked disks but not helical rods [20][23]. Like many VLPs, helical rod assembly follows a cooperative assembly model, which leads to a bimodal distribution of long rods and small particles (disks and short stacked disks), with few

• ]. No distinction is made between these different disk aggregates within the present study. At acidic pH, the disks stack together and rearrange to form long helical rods, retaining the same diameter and central channel [22][23]. The stacked disks and helical rods are distinguishable in transmission

Coordination-assembled myricetin nanoarchitectonics for sustainably scavenging free radicals

• Xiaoyan Ma,
• Haoning Gong,
• Kenji Ogino,
• Xuehai Yan and
• Ruirui Xing

Beilstein J. Nanotechnol. 2022, 13, 284–291, doi:10.3762/bjnano.13.23

• interaction (Myr/GSH = 1:2) [32][33][34]. The nanoparticles were formed by coordination self-assembly of Zn2+, Myr, and GSH (Figure 1a). They were expected to show good antioxidant activity to protect cells from the ROS-induced damage (Figure 1b). The transmission electron microscopy (TEM) image in Figure 2a

Investigation of a memory effect in a Au/(Ti–Cu)Ox-gradient thin film/TiAlV structure

• Damian Wojcieszak,
• Jarosław Domaradzki,
• Michał Mazur,
• Tomasz Kotwica and
• Danuta Kaczmarek

Beilstein J. Nanotechnol. 2022, 13, 265–273, doi:10.3762/bjnano.13.21

• impurities were observed in the coating. Structural properties were analyzed using X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD patterns were obtained with a PANalytical Empyrean PIXed3D powder diffractometer with Cu Kα radiation (1.5406 Å) and no diffraction peaks were observed

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

• solution with high thermal stability. Transmission electron microscopy (TEM) revealed a typical face-centered cubic structure with uniform size and an average diameter of 5.2 ± 1.5 nm (Figure 1a) [17]. After the surfactant dodecyltrimethylammonium bromide (DTAB) was introduced, its lipophilic ends combined

• morphology of the as-synthesized nanoparticle clusters was characterized with a JEOL JEM-2100 transmission electron microscopy (TEM). Dynamic light scattering (DLS) The synthesized Fe3O4 NPCs were diluted in RPMI 1640 medium to a final concentration of 0.25 mg/mL. The particle size distribution was

Surfactant-free syntheses and pair distribution function analysis of osmium nanoparticles

• Mikkel Juelsholt,
• Jonathan Quinson,
• Emil T. S. Kjær,
• Baiyu Wang,
• Rebecca Pittkowski,
• Susan R. Cooper,
• Tiffany L. Kinnibrugh,
• Søren B. Simonsen,
• Luise Theil Kuhn,
• María Escudero-Escribano and
• Kirsten M. Ø. Jensen

Beilstein J. Nanotechnol. 2022, 13, 230–235, doi:10.3762/bjnano.13.17

• parameters investigated for this parametric study and Figures S2–S21, Supporting Information File 1, gather transmission electron microscopy (TEM) micrographs and pictures of the materials synthesized. Our results clearly show that small Os NPs can be easily obtained from this simple synthesis method. For

Theranostic potential of self-luminescent branched polyethyleneimine-coated superparamagnetic iron oxide nanoparticles

• Rouhollah Khodadust,
• Ozlem Unal and
• Havva Yagci Acar

Beilstein J. Nanotechnol. 2022, 13, 82–95, doi:10.3762/bjnano.13.6

• synthesized luminescent SPION@bPEI was published by Unal et al. in 2018 [35]. The total organic content of the particles was determined to be 76% by TGA. The average crystal size of SPION@bPEI nanoparticles was measured from transmission electron microscopy (TEM) images to be approx. 6 nm (Figure 1a). The TEM

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

• electron microscopy (TEM), it was shown that the Au sol formation process consists of an induction period followed by a rapid increase in the number of particles, followed by a linear increase, followed by a rapid decrease in the growth rate. In other words, the typical kinetic curve has a sigmoidal S

• diluted solutions [77] as shown for the first time by Turkevich in 1951 [92]. Turkevich and co-workers studied the reduction of HAuCl4 by citrate anions (which also plays the role of a stabilizer for the Au NPs) at different temperatures and different reagent concentrations [92]. By means of transmission

Chemical vapor deposition of germanium-rich CrGe_x nanowires

• Vladislav Dřínek,
• Stanislav Tiagulskyi,
• Roman Yatskiv,
• Jan Grym,
• Radek Fajgar,
• Věra Jandová,
• Martin Koštejn and
• Jaroslav Kupčík

Beilstein J. Nanotechnol. 2021, 12, 1365–1371, doi:10.3762/bjnano.12.100

• nanoobjects were studied by transmission electron microscopy (TEM) performed on a Philips CM 120 (LaB6, 120 kV) equipped with a NanoMEGAS precession unit DigiStar, an Olympus SIS CCD camera Veleta (2048 × 2048 px), and a windowless detector Apollo XLTW for EDX measurements. Selected area electron diffraction

Biocompatibility and cytotoxicity in vitro of surface-functionalized drug-loaded spinel ferrite nanoparticles

• Sadaf Mushtaq,
• Khuram Shahzad,
• Tariq Saeed,
• Anwar Ul-Hamid,
• Bilal Haider Abbasi,
• Nafees Ahmad,
• Waqas Khalid,
• Muhammad Atif,
• Zulqurnain Ali and
• Rashda Abbasi

Beilstein J. Nanotechnol. 2021, 12, 1339–1364, doi:10.3762/bjnano.12.99

• phase of the samples is consistent with the XRD results. The formation of spherical NPs was confirmed by transmission electron microscopy (TEM) (Figure 2a). The nanospheres are uniformally distributed throughout the surface of the samples. High-resolution transmission electron microscopy (HR-TEM) images

pH-driven enhancement of anti-tubercular drug loading on iron oxide nanoparticles for drug delivery in macrophages

• Karishma Berta Cotta,
• Sarika Mehra and
• Rajdip Bandyopadhyaya

Beilstein J. Nanotechnol. 2021, 12, 1127–1139, doi:10.3762/bjnano.12.84

• ) measurements using a ZetaSizer (Malvern Instruments, UK). The refractive index and temperature used for the size measurement was 2.34 and 25 °C, respectively. Three replicates were measured for each sample. In addition, the nanoparticle diameter was also measured from transmission electron microscopy (TEM

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

• of 20 mA/cm2. Similarly, the roles of Ag-doped ZnO and pristine ZnO as EIL in the imidazole organic EML-based HyLED were compared [61]. The transmission electron microscopy (TEM) images of Figure 8 illustrate that the pristine ZnO NP are larger (≈50 nm) than the Ag-doped ZnO (≈15 nm). In addition

Revealing the formation mechanism and band gap tuning of Sb₂S₃ nanoparticles

• Maximilian Joschko,
• Franck Yvan Fotue Wafo,
• Christina Malsi,
• Danilo Kisić,
• Ivana Validžić and
• Christina Graf

Beilstein J. Nanotechnol. 2021, 12, 1021–1033, doi:10.3762/bjnano.12.76

• different reaction time points were characterized by transmission electron microscopy (TEM, Figure 1a–c) and scanning electron microscopy (SEM, Figure 1d–f). The images show that small nanoparticles (type I) were formed about 2 min (Figure 1a) after injecting the antimony precursor Sb-EHA. The bright orange

Is the Ne operation of the helium ion microscope suitable for electron backscatter diffraction sample preparation?

• Annalena Wolff

Beilstein J. Nanotechnol. 2021, 12, 965–983, doi:10.3762/bjnano.12.73

• , defects such as interstitials or vacancies can be created [23]. This can induce a significant amount of crystal structure alterations in a sample and thus artefacts. While these artefacts are well recognized for transmission electron microscopy (TEM) lamella preparation, in which the lamella preparation

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

• . Transmission electron microscopy (TEM) was performed in a Jeol JEM-1400 plus (480 keV), energy-dispersive X-ray spectroscopy (EDS) and scanning electron microscopy (SEM) in a Zeiss EVO MA15, and thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) in a simultaneous thermal analyzer

Fate and transformation of silver nanoparticles in different biological conditions

• Barbara Pem,
• Marija Ćurlin,
• Darija Domazet Jurašin,
• Valerije Vrček,
• Rinea Barbir,
• Vedran Micek,
• Raluca M. Fratila,
• Jesus M. de la Fuente and
• Ivana Vinković Vrček

Beilstein J. Nanotechnol. 2021, 12, 665–679, doi:10.3762/bjnano.12.53

• absorption spectroscopy (GF-AAS), nuclear magnetic resonance (NMR) spectroscopy, and transmission electron microscopy (TEM) experiments. Physicochemical characteristics of freshly prepared AgNPs Freshly prepared AgNPs coated with PVP, sodium bis(2-ethylhexyl)sulfosuccinate (AOT), and poly(ʟ-lysine) (PLL

A review of defect engineering, ion implantation, and nanofabrication using the helium ion microscope

• Frances I. Allen

Beilstein J. Nanotechnol. 2021, 12, 633–664, doi:10.3762/bjnano.12.52

• beam milling that were inspected by transmission electron microscopy (TEM). In this way, the microstructural effect of increasing the helium ion-induced defect density was probed, and threshold doses for a series of structural changes, such as amorphization and subsurface swelling, were established

Stability and activity of platinum nanoparticles in the oxygen electroreduction reaction: is size or uniformity of primary importance?

• Kirill O. Paperzh,
• Anastasia A. Alekseenko,
• Vadim A. Volochaev,
• Ilya V. Pankov,
• Olga A. Safronenko and
• Vladimir E. Guterman

Beilstein J. Nanotechnol. 2021, 12, 593–606, doi:10.3762/bjnano.12.49

• distributions were also studied by transmission electron microscopy (TEM). The TEM images were obtained using a JEOL JEM F200 microscope (voltage 200 kV, current 12–15 μA, CFEG). To prepare a sample for measurements, 0.5 mg of the catalyst was placed into 1 mL of isopropanol and dispersed by ultrasound for 10

The preparation temperature influences the physicochemical nature and activity of nanoceria

• Robert A. Yokel,
• Wendel Wohlleben,
• Johannes Georg Keller,
• Matthew L. Hancock,
• Jason M. Unrine,
• D. Allan Butterfield and
• Eric A. Grulke

Beilstein J. Nanotechnol. 2021, 12, 525–540, doi:10.3762/bjnano.12.43

• characterizations. Transmission electron microscopy (TEM) and high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) were conducted of NM-212 dispersed in DI water, sonicated for 10 min in a bath, and captured on 300 mesh lacey carbon copper grids dipped into the dispersion for

Surface-enhanced Raman scattering of water in aqueous dispersions of silver nanoparticles

• Paulina Filipczak,
• Krzysztof Hałagan,
• Jacek Ulański and
• Marcin Kozanecki

Beilstein J. Nanotechnol. 2021, 12, 497–506, doi:10.3762/bjnano.12.40

• -resolution transmission electron microscopy (TEM) analysis was performed to estimate the size and identify the shape of the nanoparticles (see Figure 1). The nanoparticles in the AgNPs blue sample had a triangular prism shape with an estimated average size of 34 ± 14 nm, while in the AgNPs yellow sample, the

Boosting of photocatalytic hydrogen evolution via chlorine doping of polymeric carbon nitride

• Malgorzata Aleksandrzak,
• Michalina Kijaczko,
• Wojciech Kukulka,
• Daria Baranowska,
• Martyna Baca,
• Beata Zielinska and
• Ewa Mijowska

Beilstein J. Nanotechnol. 2021, 12, 473–484, doi:10.3762/bjnano.12.38

• the morphology of the prepared materials, presented in Figure 1, was performed by transmission electron microscopy (TEM). The images of pristine PCN demonstrate the layered structure with a tendency to fold and aggregate. They also show several stacking layers, indicating the planar graphitic-like

Rapid controlled synthesis of gold–platinum nanorods with excellent photothermal properties under 808 nm excitation

• Jialin Wang,
• Qianqian Duan,
• Min Yang,
• Boye Zhang,
• Li Guo,
• Pengcui Li,
• Wendong Zhang and
• Shengbo Sang

Beilstein J. Nanotechnol. 2021, 12, 462–472, doi:10.3762/bjnano.12.37

• in all experiments. Instruments The absorption spectra were measured on a UV–vis–NIR spectrophotometer (UV-8000A, 190–1200 nm, Metash, China). Transmission electron microscopy (TEM) images, morphology, and size of nanoparticles were obtained with a transmission electron microscope (JEOL 2100F, 200 kV