A combined gas-phase dissociative ionization, dissociative electron attachment and deposition study on the potential FEBID precursor [Au(CH₃)₂Cl]₂

• Elif Bilgilisoy,
• Ali Kamali,
• Thomas Xaver Gentner,
• Gerd Ballmann,
• Sjoerd Harder,
• Hans-Peter Steinrück,
• Hubertus Marbach and
• Oddur Ingólfsson

Beilstein J. Nanotechnol. 2023, 14, 1178–1199, doi:10.3762/bjnano.14.98

Curcumin-loaded albumin submicron particles with potential as a cancer therapy: an in vitro study

• Nittiya Suwannasom,
• Netsai Sriaksorn,
• Chutamas Thepmalee,
• Krissana Khoothiam,
• Ausanai Prapan,
• Hans Bäumler and
• Chonthida Thephinlap

Beilstein J. Nanotechnol. 2023, 14, 1127–1140, doi:10.3762/bjnano.14.93

• -MPs loaded with 0.6 mg of CUR in distilled water (0.6 mg/mL), and 1 mL of HSA-MPs (control with an equivalent concentration to CUR-HSA-MPs) in distilled water; (B) the particle size distribution of HSA-MPs (red line) and CUR-HSA-MPs (green line) determined by DLS; SEM images of (C) HSA-MPs and (D) CUR

Sulfur nanocomposites with insecticidal effect for the control of Bactericera cockerelli

• Lany S. Araujo-Yépez,
• Juan O. Tigrero-Salas,
• Vicente A. Delgado-Rodríguez,
• Vladimir A. Aguirre-Yela and
• Josué N. Villota-Méndez

Beilstein J. Nanotechnol. 2023, 14, 1106–1115, doi:10.3762/bjnano.14.91

• as size, distribution, and the nature of the particles [37]. Furthermore, the observed diameters align with other research in which sizes in the range of 10–80 nm were obtained using the same method for SNP synthesis, that is, chemical precipitation from sodium thiosulfate as a sulfur source [31][32

Recognition mechanisms of hemoglobin particles by monocytes – CD163 may just be one

• Jonathan-Gabriel Nimz,
• Pichayut Rerkshanandana,
• Chiraphat Kloypan,
• Ulrich Kalus,
• Saranya Chaiwaree,
• Axel Pruß,
• Radostina Georgieva,
• Yu Xiong and
• Hans Bäumler

Beilstein J. Nanotechnol. 2023, 14, 1028–1040, doi:10.3762/bjnano.14.85

• coprecipitation–crosslinking–dissolution (CCD) are promising as HBOCs. CCD provides particles that are malleable and show a consistent morphology and narrow size distribution, as well as a negative zeta potential [19][31][32][33]. It could be shown that neither NO scavenging nor vasoconstriction can be detected

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

• h at 523 K and 5 × 10−5 bar. The desorption branch of the N2 isotherm was used to determine the pore size distribution using the BJH method. The surface area was determined using the BET method. The micropores volumes were determined by applying t-plot and DR methods. X-ray absorption spectroscopy X

N-Heterocyclic carbene-based gold etchants

• Robert B. Chevalier,
• Justin Pantano,
• Matthew K. Kiesewetter and
• Jason R. Dwyer

Beilstein J. Nanotechnol. 2023, 14, 865–871, doi:10.3762/bjnano.14.71

• concentration of 1 and the concentration dependence shown in Figure 3c and Figure 3d. We repeated this test using a 10 μL aliquot of 5.00 × 10−3 M of 2 in THF. The constancy of λmax = 530 nm indicated that any change in the nanoparticle size distribution was undetectable on the timescale of the measurement

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

• polydispersion index Nano ZS Zetasizer (Malvern Instruments Corp, Worcestershire, UK) was used to measure particle size distribution and mean diameter by DLS at 25 °C in polystyrene cuvettes with a thickness of 10 mm. The zeta potential was determined by Doppler anemometry using the previously described

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

• , resulting in Ag nanoparticles of uniform shape and size. The study investigates the effects of various synthesis conditions on the size distribution, dispersity, and localized surface plasmon resonance wavelength of the Ag nanoparticles. To create the SERS substrate, the as-synthesized Ag nanoparticles were

• fields in industry and laboratories, such as chemical synthesis and microreactors [11][12], drug screening [13], and clinical trials [14]. They can create homogeneous reaction environments with controllable parameters for synthesizing homogeneous colloidal nanoparticles with a narrow size distribution

• method limits the amount of precursor chemicals and enables the sequential flow of droplets, resulting in silver nanoparticles of uniform shape and size. We investigated the effects of different synthesis conditions on the size distribution, dispersity, and LSPR wavelength of the silver nanoparticles

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

• nanocomposite was then centrifuged and washed with distilled water. The purified nanocomposite was stored at 4 °C for further experiments. Characterizations of AgNPs@Lac/Alg nanocomposite The size distribution and stability of the nanocomposites were determined using dynamic light scattering (DLS) and zeta

• (left) and plots of absorbance and wavelength (λmax) data (right) recorded as a function of temperature (A and B), reaction time (C and D) and the ratio of silver ion to blank Lac/Alg (E and F). Zeta potentials (A) and size distribution obtained from DLS measurements (B) of AgNPs@Lac/Alg with different

• occurred at 187 and 183 °C, respectively. These results suggest that the nanocomposites should be used in temperature regions below 200 °C. TEM images and size distributions of AgNPs@Lac/Alg are displayed in Figure 5. The TEM images demonstrate the presence of uniformly shaped spherical AgNPs. The size

Carboxylic acids and light interact to affect nanoceria stability and dissolution in acidic aqueous environments

• Matthew L. Hancock,
• Eric A. Grulke and
• Robert A. Yokel

Beilstein J. Nanotechnol. 2023, 14, 762–780, doi:10.3762/bjnano.14.63

• experiment; those experiments were terminated at 1000 h. The average bimodal size distribution for the nanoceria suspension at time zero among all conditions was 13.8 and 33.6 nm with a standard deviation of 2.1 and 8.0 nm, respectively. The results shown in Table 1 can be summarized in five categories. The

Control of morphology and crystallinity of CNTs in flame synthesis with one-dimensional reaction zone

• Muhammad Hilmi Ibrahim,
• Norikhwan Hamzah,
• Mohd Zamri Mohd Yusop,
• Ni Luh Wulan Septiani and
• Mohd Fairus Mohd Yasin

Beilstein J. Nanotechnol. 2023, 14, 741–750, doi:10.3762/bjnano.14.61

• temperature field and the gas phase chemistry evolve concurrently inside the flame [24]; thus, particle formation and CNT growth occur almost instantaneously. The rapid particle formation from the surface breakup produces a heterogenous particle size distribution. Consequently, particle bundles can be

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

• spherical shape. Figure 3b shows the size distribution and the log-normal fit, from which a mean of 12.75 nm and a full width at half maximum (FWHM) of 15.41 nm were obtained. The GQDs vary in size from 5 to 40 nm, with the highest number of dots having a size in the 10–20 nm range. The HRTEM image of the

• -based nanosensor described here could be used in future to develop portable monitoring systems for water contamination. Fabrication of the GQDs/GCE electrochemical nanosensor for the detection of malathion. (a) UV–vis absorption spectrum and (b) photoluminescence spectra of GQDs. (a) TEM image, (b) size

• distribution along with log-normal fit, (c) HRTEM image, and (d) AFM image of GQDs. (a) XRD pattern and (b) EDX spectra (inset showing weight and atomic percent of carbon and oxygen) of GQDs. (a) FTIR spectrum and (b) Raman spectrum of GQDs. EIS measurement of 0.1 M KCl containing 0.05 M [Fe(CN)6]3−/4− at the

Specific absorption rate of randomly oriented magnetic nanoparticles in a static magnetic field

• Ruslan A. Rytov and
• Nikolai A. Usov

Beilstein J. Nanotechnol. 2023, 14, 485–493, doi:10.3762/bjnano.14.39

• magnetic field, shown in Figure 5b, are presented in Figure 5с. The particle size distribution for this assembly is given in Figure 5d. It is easy to see that in the given case only particles located in a small cylindrical region near the FFP with a radius of about 1 cm are capable of effectively absorbing

• the energy of the ac magnetic field. Furthermore, near the FFP the assembly SAR reaches 200 W/g. However, if the assembly of nanoparticles contains a large fraction of nanoparticles with the particle size distribution shown in Figure 5f, the spatial SAR distribution near the FFP changes. Figure 5e

• magnitude of dc and ac magnetic fields, as well as the size distribution in an assembly of magnetic nanoparticles. In particular, in the considered example, it seems preferable to use an assembly of nanoparticles with a narrow size distribution in the range D = 20–25 nm. Conclusion It is known [1][2][7

Mixed oxides with corundum-type structure obtained from recycling can seals as paint pigments: color stability

• Dienifer F. L. Horsth,
• Julia de O. Primo,
• Nayara Balaba,
• Fauze J. Anaissi and
• Carla Bittencourt

Beilstein J. Nanotechnol. 2023, 14, 467–477, doi:10.3762/bjnano.14.37

• detector), (d) sample 2 (low magnification, SE detector), and (e) sample 2 (high magnification, SE detector). Size distribution histograms of (c) sample 1 and (f) sample 2. XPS core level spectra. (a) Al 2p of alumina, (b) Al 2p of sample 1, (c) Cr 2p of sample 1, (d) Al 2p of sample 2, and (e) Fe 2p of

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

Quercetin- and caffeic acid-functionalized chitosan-capped colloidal silver nanoparticles: one-pot synthesis, characterization, and anticancer and antibacterial activities

• Akif Hakan Kurt,
• Elif Berna Olutas,
• Fatma Avcioglu,
• Hamza Karakuş,
• Mehmet Ali Sungur,
• Cansu Kara Oztabag and
• Muhammet Yıldırım

Beilstein J. Nanotechnol. 2023, 14, 362–376, doi:10.3762/bjnano.14.31

• fitting. Figure 4c indicates the size distribution of both samples. The average particle size of the Ch/Q-Ag NPs was calculated as 11.2 ± 2.4 nm, whereas it was found to be 10.3 ± 2.4 nm for the Ch/CA-Ag NPs. To visualize the organic shell structure that covers the Ag NPs, which is difficult to display in

• (Ch/Q-)-, and (b) the chitosan/caffeic acid (Ch/CA-)-capped Ag NPs, including the spectra of chitosan, quercetin, and caffeic acid used in the synthesis of the NPs. TEM images of (a) the chitosan/quercetin- (Ch/Q-) and (b) the chitosan/caffeic acid (Ch/CA-)-capped Ag NPs. (c) Size distribution

The steep road to nonviral nanomedicines: Frequent challenges and culprits in designing nanoparticles for gene therapy

• Yao Yao,
• Yeongun Ko,
• Grant Grasman,
• Jeffery E. Raymond and
• Joerg Lahann

Beilstein J. Nanotechnol. 2023, 14, 351–361, doi:10.3762/bjnano.14.30

• insights into the concentration, while indirect interconversion of size distribution and concentration to mass can provide a reasonable non-destructive path to the assessment of dose based on total particle mass. The latter allows the system to be assessed on a per-particle basis with subsequent

• solution available at present. In the interim, with no “silver bullet” method available, there is likely great benefit in a quantification regime that may allow the key dosing values to be obtained through a combination of complementary methods (i.e., individual particle size distribution measurements

• determination of particle potency (NAT per NP). Other multiexperiment options, though time-consuming, may allow for the proper level of NP characterization. For example, the use of multi-angle light scattering [63], gravimetric analysis, and particle counting, if used in a concerted approach, can provide size

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

• properties, drug loading, and drug release are discussed. We highlight the utilization of ethyl cellulose, poly(lactic-co-glycolic acid), and polyurethane/polyurea in the field of nanomedicine as potential drug delivery systems. Advances are still needed to achieve better control over size distribution

Biocatalytic synthesis and ordered self-assembly of silica nanoparticles via a silica-binding peptide

• Mustafa Gungormus

Beilstein J. Nanotechnol. 2023, 14, 280–290, doi:10.3762/bjnano.14.25

• (arginine) amino acids. The hypotheses of this study were as follows: (1) The basic serine and arginine residues in the SiBP can facilitate hydrolysis of the precursor molecules and, thus, catalyze the synthesis of SiO2 particles. (2) The affinity of the SiBP to SiO2 can narrow down the size distribution of

• possible that SiBP binding to the particles results in the negligible effect on reaction rate and yield. All groups containing NH3 yielded spherical submicrometer particles characteristic to the Stöber method (Figure 3a–d). However, a decrease in average particle size and size distribution was observed

• with increasing SiBP concentrations (Figure 3e,f). The PDI for the NH3 + 1 mM SiBP was lower compared to other groups containing NH3, indicating a narrower size distribution. However, the other groups also yielded monodisperse distributions with PDIs below 0.080 (Figure 3a–d). The second hypothesis of

Liquid phase exfoliation of talc: effect of the medium on flake size and shape

• Samuel M. Sousa,
• Helane L. O. Morais,
• Joyce C. C. Santos,
• Ana Paula M. Barboza,
• Bernardo R. A. Neves,
• Elisângela S. Pinto and
• Mariana C. Prado

Beilstein J. Nanotechnol. 2023, 14, 68–78, doi:10.3762/bjnano.14.8

• based on atomic force microscopy images of thousands of flakes, the shape and size distribution of nanotalc obtained using the four different media are compared. This comparison highlights the strengths and weaknesses of the media tested and hopefully will facilitate the choice of the medium for

• for a thicker first layer and/or exfoliation medium residue [6][24]). At the same time, even without an in-depth analysis, it is clear that the medium has a very important influence on the flake size distribution. The sample exfoliated in sodium cholate at 6 mg/mL has visually fewer flakes in the pink

• is the least symmetrical sample regarding the shape parameters, but it is fairly trimmed and the most symmetrical in flake size distribution. Conclusion A thorough characterization of flake size and shape was performed for samples of liquid-phase exfoliated talc in four different media. LPE is a

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

• reaction conditions (e.g., time, temperature, purity, or ratio of reagents) considerably influence the properties of the obtained nanoparticles [16]. Besides the narrow size distribution of the particles obtained by thermal decomposition, particle preparation with various morphologies (e.g., spherical

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

• tested on mononuclear cells. Ag/AgCl nanoparticles with spherical and triangular morphology were obtained. The size of the nanoparticles (10–70 nm) and the size distribution depended on the reaction temperature. A dose close to 20 µg/mL of Ag/AgCl nanoparticles considerably decreased the cell viability

• ) is broader than that of the reactions at 60 and 80 °C. This behavior may be related to a larger size distribution of the nanoparticles. Hence, the uniformity of the nanoparticles is higher at 60 and 80 °C. This result is consistent with Nayak et al. [37], who reported an optimal temperature of 80 °C

• reaction temperature. If the size of the nanoparticles is considered, as the reaction temperature increases, the nanoparticles become larger or the size distribution becomes broader. At room temperature and at 60 °C, the nanoparticles are less than 50 nm in size, but at 80 °C the nanoparticles reach a size

Facile preparation of Au- and BODIPY-grafted lipid nanoparticles for synergized photothermal therapy

• Yuran Wang,
• Xudong Li,
• Haijun Chen and
• Yu Gao

Beilstein J. Nanotechnol. 2022, 13, 1432–1444, doi:10.3762/bjnano.13.118

• characterization of AB-LNPs. (a) Size distribution of Au-LNPs and AB-LNPs. Digital photo of AB-LNPs showing distinct Tyndall effects. (b) UV–vis spectra of BDP and AB-LNPs. (c) TEM image of AB-LNPs. Photothermal properties of AB-LNPs. (a) Photothermal heating curves for AB-LNPs at different BDP concentrations with

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

• capillary cell. Particle size measurements were made at an angle of 173°, while zeta potential measurements were made at an angle of 12.8°. All formulations were measured at 25°C in triplicate. The particle size distribution was expressed as mean diameter (nm) ± standard deviation (SD) and PDI. The zeta

LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

• Nirmalendu S. Mishra and
• Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

• g−1. The BJH adsorption pore size distribution indicated the dominance of mesopores (2 nm < d < 50 nm) with an average pore size of 4.42 nm. The N2 adsorption–desorption isotherm demonstrated a H4 type hysteresis curve indicating narrow slit-like pores in the as-synthesized sample. In comparison

• , the HBN nanopowder had a BET surface area of 19.14 m2 g−1 with a pore volume of 0.0385 cm3 g−1. The BJH adsorption pore size distribution indicated an average pore size of 3.63 nm with dominance of mesopores (1.54 nm < d < 60 nm). The BJH adsorption pore size distribution along with the BET adsorption