Dual-heterodyne Kelvin probe force microscopy

• Benjamin Grévin,
• Fatima Husainy,
• Dmitry Aldakov and
• Cyril Aumaître

Beilstein J. Nanotechnol. 2023, 14, 1068–1084, doi:10.3762/bjnano.14.88

• File 1) reveal that the SPV decay can be relatively well accounted by a single exponential law, with time-constant values fully consistent with the ones calculated from DHe-KPFM spectra. In addition, the pp-KPFM data show that only a few hundreds of nanoseconds are needed to reach an electrostatic

Experimental investigation of usage of POE lubricants with Al₂O₃, graphene or CNT nanoparticles in a refrigeration compressor

• Kayhan Dağıdır and
• Kemal Bilen

Beilstein J. Nanotechnol. 2023, 14, 1041–1058, doi:10.3762/bjnano.14.86

• temperature that the system will reach under operating conditions remains well above the lowest pour point temperature of the lubricant. The flash point temperature, which is another critical parameter for the safe operation of the system, was 264 °C. It is known that the maximum temperature that can be

A visible-light photodetector based on heterojunctions between CuO nanoparticles and ZnO nanorods

• Doan Nhat Giang,
• Nhat Minh Nguyen,
• Duc Anh Ngo,
• Thanh Trang Tran,
• Le Thai Duy,
• Cong Khanh Tran,
• Thi Thanh Van Tran,
• Phan Phuong Ha La and
• Vinh Quang Dang

Beilstein J. Nanotechnol. 2023, 14, 1018–1027, doi:10.3762/bjnano.14.84

• difficult to reach, which increases the required decay time [47]. To evaluate the photodetector performance, some essential parameters are considered. The responsivity (R) is used to determine the applicability of the visible-light photodetector. R, which is defined as the photocurrent divided by the

Low temperature atomic layer deposition of cobalt using dicobalt hexacarbonyl-1-heptyne as precursor

• Mathias Franz,
• Mahnaz Safian Jouzdani,
• Lysann Kaßner,
• Marcus Daniel,
• Frank Stahr and
• Stefan E. Schulz

Beilstein J. Nanotechnol. 2023, 14, 951–963, doi:10.3762/bjnano.14.78

• time of 6 s has been chosen to reach the saturation state safely. The purging time after the precursor pulse also may affect the deposition rate. Insufficient purging may result in an increased deposition rate as the remaining precursor can directly react in the gas phase within the hydrogen plasma

Upscaling the urea method synthesis of CoAl layered double hydroxides

• Camilo Jaramillo-Hernández,
• Víctor Oestreicher,
• Martín Mizrahi and
• Gonzalo Abellán

Beilstein J. Nanotechnol. 2023, 14, 927–938, doi:10.3762/bjnano.14.76

• . Aiming to provide further information, the temperatures of the solutions were measured during the early stage of the volumetric experiments. According to Figure S13 (Supporting Information File 1), the required time to reach the final temperature increases sixfold from reference x1 to sample x20V

Antibody-conjugated nanoparticles for target-specific drug delivery of chemotherapeutics

• Mamta Kumari,
• Amitabha Acharya and
• Praveen Thaggikuppe Krishnamurthy

Beilstein J. Nanotechnol. 2023, 14, 912–926, doi:10.3762/bjnano.14.75

• by FDA, and there are only very few clinical trials in progress [10][124]. The failure of clinical trials can be attributed to the fact that upon penetration into the tumor vasculature, there are different barriers that have to be crossed to reach and enter into tumor cells [124]. In order to achieve

Green SPIONs as a novel highly selective treatment for leishmaniasis: an in vitro study against Leishmania amazonensis intracellular amastigotes

• Brunno R. F. Verçoza,
• Robson R. Bernardo,
• Luiz Augusto S. de Oliveira and
• Juliany C. F. Rodrigues

Beilstein J. Nanotechnol. 2023, 14, 893–903, doi:10.3762/bjnano.14.73

• possible to speculate that SPIONs use iron transport mechanisms to reach the parasitophorous vacuole and amastigote cytosol [21]. However, further studies need to be carried out to confirm this hypothesis and to elucidate the mechanisms of SPION uptake in promastigotes and amastigotes. We evaluated the

Ultralow-energy amorphization of contaminated silicon samples investigated by molecular dynamics

• Grégoire R. N. Defoort-Levkov,
• Alan Bahm and
• Patrick Philipp

Beilstein J. Nanotechnol. 2023, 14, 834–849, doi:10.3762/bjnano.14.68

• planned to reach down to 50 eV, which would be correspondingly surface sensitive, in the near future. In the two above cases, contaminations in the experimental chamber play an important role during the sputtering processes. Typical contaminations are (in the order of frequency) water, nitrogen, carbon

Nanostructured lipid carriers containing benznidazole: physicochemical, biopharmaceutical and cellular in vitro studies

• Giuliana Muraca,
• María Esperanza Ruiz,
• Rocío C. Gambaro,
• Sebastián Scioli-Montoto,
• María Laura Sbaraglini,
• Gisel Padula,
• José Sebastián Cisneros,
• Cecilia Yamil Chain,
• Vera A. Álvarez,
• Cristián Huck-Iriart,
• Guillermo R. Castro,
• María Belén Piñero,
• Matias Ildebrando Marchetto,
• Catalina Alba Soto,
• Germán A. Islan and
• Alan Talevi

Beilstein J. Nanotechnol. 2023, 14, 804–818, doi:10.3762/bjnano.14.66

• volume of distribution (Vd) of 0.56 L/kg, and reactive products of its metabolism [13]. Such Vd and low permeability values across biological barriers could result in difficulties for BNZ to reach intracellular amastigotes. The encapsulation of BNZ within nanoscale pharmaceutical carriers has been

Silver-based SERS substrates fabricated using a 3D printed microfluidic device

• Phommachith Sonexai,
• Minh Van Nguyen,
• Bui The Huy and
• Yong-Ill Lee

Beilstein J. Nanotechnol. 2023, 14, 793–803, doi:10.3762/bjnano.14.65

• particles. The electric field is enhanced, and the Raman enhancement factor (EF) can reach 106 [6]. The induced amplification of the local field by plasmonic coupling occurs in nanometer-scale regions around the metal particles, the so-called electromagnetic “hot spots”. The chemical mechanism suggests the

Silver nanoparticles loaded on lactose/alginate: in situ synthesis, catalytic degradation, and pH-dependent antibacterial activity

• Nguyen Thi Thanh Tu,
• T. Lan-Anh Vo,
• T. Thu-Trang Ho,
• Kim-Phuong T. Dang,
• Van-Dung Le,
• Phan Nhat Minh,
• Chi-Hien Dang,
• Vinh-Thien Tran,
• Van-Su Dang,
• Tran Thi Kim Chi,
• Hieu Vu-Quang,
• Radek Fajgar,
• Thi-Lan-Huong Nguyen,
• Van-Dat Doan and
• Thanh-Danh Nguyen

Beilstein J. Nanotechnol. 2023, 14, 781–792, doi:10.3762/bjnano.14.64

• was ultrasonically treated for 30 min and left to reach equilibrium overnight. After purification, the resulting gel was freeze-dried at −80 °C for 24 h using an EYELA FDU-2110 (Japan) instrument. Next, an aqueous solution of AgNO3 (15 mL) with different concentrations in the range of 7.9–55.6 μg·mL−1

Cross-sectional Kelvin probe force microscopy on III–V epitaxial multilayer stacks: challenges and perspectives

• Mattia da Lisca,
• José Alvarez,
• James P. Connolly,
• Nicolas Vaissiere,
• Karim Mekhazni,
• Jean Decobert and
• Jean-Paul Kleider

Beilstein J. Nanotechnol. 2023, 14, 725–737, doi:10.3762/bjnano.14.59

• reach a higher doping level around 2.5 × 1019 cm−3. Before starting the KPFM analysis, the sample was cleaved, and a surface cleaning was carried out to expose a clean cross section. We performed a chemical treatment based on sequential ultrasonic baths of acetone, ethanol, and deionized water. The

• , immediately after the chemical cleaning step. The topography and the associated VCPD image are reported in Figure 2a and Figure 2b, respectively. Note that the origin (0;0) is identified as a point in the InP substrate. Moving along the positive direction of the y axis, one will reach the end of the sample

Nanomaterials for photocatalysis and applications in environmental remediation and renewable energy

• Viet Van Pham and
• Wee-Jun Ong

Beilstein J. Nanotechnol. 2023, 14, 722–724, doi:10.3762/bjnano.14.58

• was used whereas for water splitting natural sunlight was used [24][25][26]. These results are mentioned as scaling up photocatalytic systems to reach net zero emission goals and the next technology to produce green hydrogen energy [14]. Up-to-date trending topics on photocatalysts based on

A graphene quantum dots–glassy carbon electrode-based electrochemical sensor for monitoring malathion

• Sanju Tanwar,
• Aditi Sharma and
• Dhirendra Mathur

Beilstein J. Nanotechnol. 2023, 14, 701–710, doi:10.3762/bjnano.14.56

• semicircle with a resistance of about 12.71 kΩ. After modification with GQDs, the Rct value decreases to about 9.98 kΩ. It can be inferred that, as a result of an increase in conductivity, K3Fe(CN)6 can reach the electrode surface more easily. Cyclic voltammetry The redox electrochemical behavior of the bare

Humidity-dependent electrical performance of CuO nanowire networks studied by electrochemical impedance spectroscopy

• Jelena Kosmaca,
• Juris Katkevics,
• Jana Andzane,
• Raitis Sondors,
• Liga Jasulaneca,
• Raimonds Meija,
• Kiryl Niherysh,
• Yelyzaveta Rublova and
• Donats Erts

Beilstein J. Nanotechnol. 2023, 14, 683–691, doi:10.3762/bjnano.14.54

• frequencies in comparison with the Bode plots taken for RH 50% (Figure 2c,d), indicating an increase of thickness of the water layer. Finally, the porous structure of the CuO nanowire bundles promotes capillary condensation of vapour, which can reach the substrate surface and enhance the conductivity through

Thermal transport in kinked nanowires through simulation

• Alexander N. Robillard,
• Graham W. Gibson and
• Ralf Meyer

Beilstein J. Nanotechnol. 2023, 14, 586–602, doi:10.3762/bjnano.14.49

• . These coloured curves correspond with the geometries of the equivalently coloured data points in the lower graph of Figure 2. Also highlighted are the points at which the curves reach 0 (i.e., the point at which the LoS is fully blocked). We see that classifying systems as having fully blocked (LoS ≤ 0

ZnO-decorated SiC@C hybrids with strong electromagnetic absorption

• Liqun Duan,
• Zhiqian Yang,
• Yilu Xia,
• Xiaoqing Dai,
• Jian’an Wu and
• Minqian Sun

Beilstein J. Nanotechnol. 2023, 14, 565–573, doi:10.3762/bjnano.14.47

• and −58.1 dB, while their EAB values are 6.48 GHz (11.48–17.96 GHz) and 7.04 GHz (10.96–18.00 GHz), respectively. However, the filler loads should be increased to higher levels of 35–50 wt %. In general, SCZ1 exhibits the best performance among the samples. Its highest values of RLmin and EAB reach

• locations for the deposition of Zn2+ by electrostatic interactions. SCZ1 exhibits the best EM absorption properties. Its values for RLmin and EAB reach −65.4 dB and 7 GHz (10.96–17.96 GHz), respectively, at a small sample thickness and 30 wt % filler load. The effective EM absorption is related to the

SERS performance of GaN/Ag substrates fabricated by Ag coating of GaN platforms

• Magdalena A. Zając,
• Bogusław Budner,
• Malwina Liszewska,
• Bartosz Bartosewicz,
• Łukasz Gutowski,
• Jan L. Weyher and
• Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 552–564, doi:10.3762/bjnano.14.46

• to the platform’s surface. The dimensions of these nanoparticles increase with the temperature of the GaN substrate up to 200 °C, and, consequently, their number decreases. The largest Ag nanoparticles reach a diameter of 150–170 nm in the case of the PLD_1_200 sample. An increase in temperature also

Observation of multiple bulk bound states in the continuum modes in a photonic crystal cavity

• Rui Chen,
• Yi Zheng,
• Xingyu Huang,
• Qiaoling Lin,
• Chaochao Ye,
• Meng Xiong,
• Martijn Wubs,
• Yungui Ma,
• Minhao Pu and
• Sanshui Xiao

Beilstein J. Nanotechnol. 2023, 14, 544–551, doi:10.3762/bjnano.14.45

• efficiency could be observed, while other modes are inundated by noise. The high-order modes have close eigenwavelengths, resulting in the resonance shift in Figure 4c. Theoretically, all modes could be captured in the spectrum, but the excitation and collection efficiency cannot simultaneously reach maximum

Nanoarchitectonics to entrap living cells in silica-based systems: encapsulations with yolk–shell and sepiolite nanomaterials

• Celia Martín-Morales,
• Jorge Fernández-Méndez,
• Pilar Aranda and
• Eduardo Ruiz-Hitzky

Beilstein J. Nanotechnol. 2023, 14, 522–534, doi:10.3762/bjnano.14.43

• nanoparticles to reach the desired weight percentage (5.0% to 7.0%). Eventually, the concentrated cell biomass (33% to 40% v/v) was then added and the mixture was placed in a 7 cm diameter Petri dish, where it gelled at room temperature after the addition of 0.2 M KOH to achieve pH 7–8. Table 1 gathers the

• added to reach a final concentration of 1 mg/mL in the cell suspension. After adding the silica nanoparticles, the suspension was incubated for 20 min under mild agitation using a rocker shaker at minimum speed. Yolk–shell structures were recovered by centrifugation at 2800 rpm and washed with fresh BG

Plasmonic nanotechnology for photothermal applications – an evaluation

• A. R. Indhu,
• L. Keerthana and
• Gnanaprakash Dharmalingam

Beilstein J. Nanotechnol. 2023, 14, 380–419, doi:10.3762/bjnano.14.33

• incident radiation from the sun, 8% UV, 42.4% visible light, and 49.6% infrared radiation reach the earth's surface. Applications such as steam generation from solar power can evidently benefit from the use of materials that can absorb as much as possible of the entire spectrum of solar radiation. In this

Polymer nanoparticles from low-energy nanoemulsions for biomedical applications

• Santiago Grijalvo and
• Carlos Rodriguez-Abreu

Beilstein J. Nanotechnol. 2023, 14, 339–350, doi:10.3762/bjnano.14.29

• escape from endosomes. Notably, lipid nanoparticles enabled the remarkably fast development of mRNA vaccines against COVID-19. Still, there is much to be done to reach the final goal of developing formulations that can deliver drugs at preset rates and periods of time to specific targets [1]. To this end

Overview of mechanism and consequences of endothelial leakiness caused by metal and polymeric nanoparticles

• Magdalena Lasak and
• Karol Ciepluch

Beilstein J. Nanotechnol. 2023, 14, 329–338, doi:10.3762/bjnano.14.28

• biocompatible nanoparticles in future. NanoEL as a transport route of nanoparticles through the endothelium Main routes to transport NPs across the endothelium NPs reach the tissues and organs of the body, especially those richly vascularized, through the blood. Thus, the vascular endothelium is the most

• junctions of the endothelium and the fact that this effect does not depend on the physiology and microenvironment of the tumor. Therefore, NanoEL is a new approach that can be used in anticancer therapies, especially in the transport of medicinal substances to immature and hard-to-reach tumors. Nevertheless

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

• decrease in efficiency was attributed to two causes: First, it is more difficult for photons to reach the photocatalyst at higher concentrations, which resulted in a decrease in the production of oxidant radicals and, as a result, a decrease in the degradation performance. Second, the number of

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

• Filip Gorachinov,
• Fatima Mraiche,
• Diala Alhaj Moustafa,
• Ola Hishari,
• Yomna Ismail,
• Jensa Joseph,
• Maja Simonoska Crcarevska,
• Marija Glavas Dodov,
• Nikola Geskovski and
• Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

• . However, because of the difference in pharmacokinetics among agents, combined therapies may not effectively reach their targets. The obstacles regarding the simultaneous co-delivery of therapeutic agents at the site of action can be overcome using nanomedicine as a platform and nanotools as delivery

• mitigating the risk of therapeutic failure due to the non-coordinated co-delivery of therapeutic agents and off-target side effects. However, despite substantial progress, a precise control of the in vivo trajectories of the nanosystems is still beyond our reach. Some of the promising approaches and design