Insect attachment on waxy plant surfaces: the effect of pad contamination by different waxes

• Elena V. Gorb and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2024, 15, 385–395, doi:10.3762/bjnano.15.35

• [8] tests up to precise measurements of attachment forces with different experimental techniques, such as pulling [9] and centrifugal [10] setups. It has been demonstrated that not only the presence of wax projections on the plant cuticle surface, but also their size, distribution, and density

Comparative electron microscopy particle sizing of TiO₂ pigments: sample preparation and measurement

• Ralf Theissmann,
• Christopher Drury,
• Markus Rohe,
• Thomas Koch,
• Jochen Winkler and
• Petr Pikal

Beilstein J. Nanotechnol. 2024, 15, 317–332, doi:10.3762/bjnano.15.29

• nanomaterials [10][11]. In 2018, KRONOS INT. Inc., Precheza a.s and Venator supported EFSA in responding to the questions raised by the EFSA Scientific Panel on the particle size distribution of E171. The results were reported by EFSA in 2019 [11]. The same samples as measured in [8] and [11] were used in a

• log-normal assumption. The probability p that the particle size distribution is not log-normal is given in Table 2 together with the results of the fits. Indirect particle size measurements and optical properties Single-particle inductively coupled plasma mass spectrometry (spICP-MS) measurements are

• because aggregates and primary particles start to be destroyed above 250 J/mL, but only at low rates [18][19]. However, dispersion energies of approximately 600 J/mL or higher may significantly break aggregates into primary particles, causing a shift in the particle size distribution towards a smaller

Vinorelbine-loaded multifunctional magnetic nanoparticles as anticancer drug delivery systems: synthesis, characterization, and in vitro release study

• Zeynep Özcan and
• Afife Binnaz Hazar Yoruç

Beilstein J. Nanotechnol. 2024, 15, 256–269, doi:10.3762/bjnano.15.24

• a solvothermal technique in a stainless steel reactor at 200 °C for 6 h. According to the results of FE-SEM and STEM examinations, the Fe3O4 NPs are spherical, as depicted in Figure 1a–c. When examining the STEM size distribution, it was observed that Fe3O4 NPs were efficiently synthesized with an

Nanocarrier systems loaded with IR780, iron oxide nanoparticles and chlorambucil for cancer theragnostics

• Phuong-Thao Dang-Luong,
• Hong-Phuc Nguyen,
• Loc Le-Tuan,
• Xuan-Thang Cao,
• Vy Tran-Anh and
• Hieu Vu Quang

Beilstein J. Nanotechnol. 2024, 15, 180–189, doi:10.3762/bjnano.15.17

• cells. Hydrodynamic size and zeta potential Dynamic light scattering (DLS) and zeta potential spectra were obtained for three replicates on a nanoPartical Horiba SZ-100 (Japan) with the scattering angle of 90° to determine the size distribution and stability of the nanoparticles. The DLS measurements

Ferromagnetic resonance spectra of linear magnetosome chains

• Elizaveta M. Gubanova and
• Nikolai A. Usov

Beilstein J. Nanotechnol. 2024, 15, 157–167, doi:10.3762/bjnano.15.15

• nanoparticles; numerical simulation; Introduction Magnetotactic bacteria are living organisms that grow within themselves magnetite nanoparticles called magnetosomes [1][2][3][4]. In contrast to chemically synthesized magnetite nanoparticles [5][6], magnetosomes have a perfect crystal structure, a narrow size

• distribution, and a high saturation magnetization close to that of bulk magnetite. In particular, magnetotactic bacteria M. gryphiswaldense produce linear chains of quasi-spherical magnetite nanoparticles with sizes ranging from 30 to 50 nm [1][2][7][8][9]. However, there are also magnetotactic bacteria that

Assessing phytotoxicity and tolerance levels of ZnO nanoparticles on Raphanus sativus: implications for widespread adoptions

• Pathirannahalage Sahan Samuditha,
• Nadeesh Madusanka Adassooriya and
• Nazeera Salim

Beilstein J. Nanotechnol. 2024, 15, 115–125, doi:10.3762/bjnano.15.11

• –4000 cm−1 using attenuated total reflection mode. The characteristic absorption band of the ZnO NPs sample was measured by LAMBDA 365 UV Spectrometer at a wavelength range of 200–800 nm. The particle size distribution of ZnO NPs was evaluated by a Malvern Zetasizer at 25 °C with a count rate of 171.1

Development and characterization of potential larvicidal nanoemulsions against Aedes aegypti

• Jonatas L. Duarte,
• Leonardo Delello Di Filippo,
• Anna Eliza Maciel de Faria Mota Oliveira,
• Rafael Miguel Sábio,
• Gabriel Davi Marena,
• Tais Maria Bauab,
• Cristiane Duque,
• Vincent Corbel and
• Marlus Chorilli

Beilstein J. Nanotechnol. 2024, 15, 104–114, doi:10.3762/bjnano.15.10

• indication of kinetic stability with an almost monomodal distribution [36]. Thus, considering that in this study the stable formulations had similar size distribution profiles and low polydispersity index, the present study on cymene and myrcene nanoemulsions may be considered promising. Nanoparticle

Fluorescent bioinspired albumin/polydopamine nanoparticles and their interactions with Escherichia coli cells

• Eloïse Equy,
• Jordana Hirtzel,
• Sophie Hellé,
• Béatrice Heurtault,
• Eric Mathieu,
• Morgane Rabineau,
• Vincent Ball and
• Lydie Ploux

Beilstein J. Nanotechnol. 2023, 14, 1208–1224, doi:10.3762/bjnano.14.100

• , close to the wavelength of the laser used in the device (633 nm). Samples were diluted to get an absorption below 0.1. Size distribution results are given in intensity and can be expressed also in volume or number. Standard deviations of the sample’s mean hydrodynamic diameters as well as the

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