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

• enhances the properties of the interfacial film, leading to improved adsorption between the oil and water phases and enhancing the stability of nanoemulsions [29]. Previous studies have reported similar findings regarding NEs containing terpenes. Polydispersity index values comparable to those observed in

• , polymers, vehicles, and the presence of electrolytes and their adsorption [32]. The zeta potential values found for the NEs obtained remained stable in the analyzed period, which indicates the stability of the formulation to avoid Ostwald maturation and coalescence of the droplets. Similar zeta potential

Berberine-loaded polylactic acid nanofiber scaffold as a drug delivery system: The relationship between chemical characteristics, drug-release behavior, and antibacterial efficiency

• Le Thi Le,
• Hue Thi Nguyen,
• Liem Thanh Nguyen,
• Huy Quang Tran and
• Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2024, 15, 71–82, doi:10.3762/bjnano.15.7

• bonds, Fourier transform infrared spectroscopy (FTIR) was used to examine the differences in chemical characteristics of BBR-loaded PLA nanofiber scaffolds (Figure 2A). The FTIR spectrum of PLA nanofiber scaffold shows the adsorption peaks at 1751 cm−1 resulting from the stretching vibrations of the C=O

• appeared at 1453 and 1358 cm−1. These aforementioned adsorption characteristics of PLA nanofiber scaffolds were also observed in the FTIR spectra of BBR/PLA and BBR NPs/PLA nanofiber scaffolds. However, there was the addition of an intense broadband at 3361 cm−1 in the FTIR spectrum of the BBR NPs/PLA

Curcumin-loaded nanostructured systems for treatment of leishmaniasis: a review

• Douglas Dourado,
• Thayse Silva Medeiros,
• Éverton do Nascimento Alencar,
• Edijane Matos Sales and
• Fábio Rocha Formiga

Beilstein J. Nanotechnol. 2024, 15, 37–50, doi:10.3762/bjnano.15.4

• favors adsorption by negatively charged cell membranes [103]. Additionally, studies have revealed antileishmanial properties of this polymer against Leishmania parasites, making it attractive for the synthesis of NPs intended for this treatment [56][104]. Therefore, Chaubey and colleagues developed

Hierarchically patterned polyurethane microgrooves featuring nanopillars or nanoholes for neurite elongation and alignment

• Lester Uy Vinzons,
• Guo-Chung Dong and
• Shu-Ping Lin

Beilstein J. Nanotechnol. 2023, 14, 1157–1168, doi:10.3762/bjnano.14.96

• had a rounded bottom. The space between the pillars and holes were around 860 nm and 330 nm, respectively. The wettability of a surface is a good predictor of protein adsorption and bioactivity [20]. For the extracellular matrix protein laminin, good adsorption and cell growth have been found on

• the fluorescence patterns conforming to the structure shapes. Laminin was also successfully coated on the flat areas surrounding the pillars and holes, as shown in the corresponding confocal slices in Supporting Information File 1, Figure S5. O2 plasma treatment of PU enables strong laminin adsorption

• values after plasma treatment, the lower CA [∥] values (<60°) indicate that the surface was hydrophilic enough along the groove direction, and good solution coverage could be achieved during laminin coating. We also confirmed laminin adsorption on the grooved PU samples using confocal fluorescence

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

• recently developed method of encapsulation to produce high-quality submicron albumin particles loaded with riboflavin [28] or doxorubicin [29]. In this work, our aim was to determine the ability of albumin microparticles to load CUR by adsorption and to investigate binding with and release from the

• −1 (C=O and C=C vibrations), and 1435 cm−1 (olefinic C–H bending vibration). The 1309 cm−1 band corresponds to the aromatic C–O stretching vibrations, while the C–O–C stretching vibrations were represented at 1020/951 cm−1 [35]. The characteristic adsorption bands of pure HSA (pink line spectrum) at

• 1644 and 1546 cm−1 indicated the vibration adsorption of amide I (C=O stretching) and amide II (C–N stretching and N–H bending vibrations), respectively. These are the main vibrational bands in the albumin backbone that formed the secondary structure of the protein. It is also seen that the absorption

Properties of tin oxide films grown by atomic layer deposition from tin tetraiodide and ozone

• Kristjan Kalam,
• Peeter Ritslaid,
• Tanel Käämbre,
• Aile Tamm and
• Kaupo Kukli

Beilstein J. Nanotechnol. 2023, 14, 1085–1092, doi:10.3762/bjnano.14.89

• adsorption process and maximized growth during a single cycle. It has, however, to be noted that a clear self-saturating adsorption process of the metal precursor was not recognized because the QCM signal did not fully stabilize at any metal precursor exposure time but continued to increase (Figure 2). A

• the partial decomposition of precursor molecules during the adsorption step of the first precursor and the concurrently intensified release of ligand, that is, iodine molecules, I2. Earlier, analogous studies have been carried out on TiO2 films grown by ALD using TiI4 and O2 as precursors [21

• ]. Plausibly, the initial increase in the GPC up to 300 °C is caused by the gradually enhancing decomposition of metal iodide on the receiving surface, which is not to be regarded as self-saturating adsorption process. Nevertheless, in the adsorption step, more metal is added to the growing layer upon

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

• emerging hydrogen bonds, altered surface structures, and possible interactions between proteins and particles, in particular polymers such as HbMPs [45][46]. The adsorption of various plasma proteins seems to not only enhance the chance of complement activation but also to promote phagocytosis directly, as

• sequestration as the HSA on the surface of our particles has shown to attenuate the adsorption of plasma proteins [19]. Kloypan et al. observed granulocytic uptake of albumin-based particles in an indirect phagocytosis assay [22]. An observation that was made repeatedly in the present study. Thus, it appears

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

• 84.64 s, respectively. The fall time is relatively long because the photodetector is influenced by the persistent photoconductivity (PCC) effect [42]. The origin of PCC are adsorption and desorption processes of oxygen molecules. The re-adsorption rate of oxygen molecules is slow and a stable state is

Metal-organic framework-based nanomaterials for CO₂ storage: A review

• Ha Huu Do,
• Iqra Rabani and
• Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 964–970, doi:10.3762/bjnano.14.79

• , directly linked to the rise in global temperature, has raised significant attention. Carbon capture and storage, particularly in association with adsorbents, has occurred as a pivotal approach to address this pressing issue. Large surface area, high porosity, and abundant adsorption sites make metal

• -organic frameworks (MOFs) promising contenders for CO2 uptake. This review commences by discussing recent advancements in MOFs with diverse adsorption sites, encompassing open metal sites and Lewis basic centers. Next, diverse strategies aimed at enhancing CO2 adsorption capabilities are presented

• ]. Therefore, identification and development of durable and efficient adsorbents are critical to the successful implementation of CCS. Until now, various classes of materials have been investigated for CO2 adsorption, such as covalent organic frameworks, molecular sieves, activated carbon, and metal-organic

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

• deposition is determined by the self-limiting behaviour of surface adsorption, and the reaction is completed in the second half cycle with an additional reactant. Therefore, the growth rate is nearly independent of the cycle time. The upper limit for this self-limiting growth is usually the thermal

Prediction of cytotoxicity of heavy metals adsorbed on nano-TiO₂ with periodic table descriptors using machine learning approaches

• Joyita Roy,
• Souvik Pore and
• Kunal Roy

Beilstein J. Nanotechnol. 2023, 14, 939–950, doi:10.3762/bjnano.14.77

• , leading to bioaccumulation and biological hazards [13]. Heavy metals enter the human body through the consumption of fish and plants [14]. To date, heavy metals are removed through various methods. Among all methods available for removing heavy metals and toxic pollutants from waters, adsorption is the

• internalization and bioaccumulation in the HK-2 cells. The increase in the concentration of heavy metals and their adsorption to nano-TiO2 induces toxicity by increasing the generation of ROS in the HK-2 cells. Comparison with the previous work The present work describes the development of a model for heavy

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

• ). Finally, textural properties were also evaluated by N2 and CO2 adsorption–desorption isotherms to observe possible changes in the surface area of the samples. Figure 5C shows the N2 isotherms at 77 K. The samples present type-IV adsorption isotherms (according to IUPAC classification) with an H3

• better immobilization of these small anisotropic crystals, precluding any artefacts in the magnetic measurements. The porous texture of all prepared materials was characterized by N2 adsorption at 77 K and CO2 at 273 K in an AUTOSORB-6 apparatus. Prior to the measurements, the samples were degassed for 4

• characterization of CoAl-based LDH samples through (left) SEM and (center) TEM, and (right) the respective average size histograms. AFM images of the samples (A) x1 and (B) x20V. (C) Adsorption isotherms of samples x1 and x20V. Right: Schematic representation of volumetric and mass scale-up approaches. Left: LDH

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

• affects the targeting ability of the nanoformulation. In this review, we provide recent findings to highlight several antibody conjugation methods such as adsorption, covalent conjugation, and biotin–avidin interaction. This review also provides an overview of the many effects of the protein corona and

• antigen binding ability. Improper antibody conjugation influences antigen binding affinity and specificity. Once injected into the body, the ACNPs face both physical and biological barriers (such as diffusion, flow and shear forces, aggregation, protein adsorption, phagocytic sequestration, and clearance

• surface charge [36][37]. Surface modification strategies include, for example, adsorption, covalent conjugation, and biotin–avidin interaction, which will be discussed below in detail with examples. Adsorption Adsorption of antibodies on the surface of NPs is a non-covalent reversible binding method

Ni, Co, Zn, and Cu metal-organic framework-based nanomaterials for electrochemical reduction of CO₂: A review

• Ha Huu Do and
• Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 904–911, doi:10.3762/bjnano.14.74

• ) indicated superior catalytic activity compared to MIL-125(Ti). Notably, MOF-210 has established a remarkable record in CO2 adsorption among all porous materials, boasting an adsorption capacity of 2870 mg·g−1 [34]. Such properties facilitate favorable interactions between CO2 molecules and catalytic sites

• exhibited the highest activity for CO2RR to carbon monoxide (FE = 81% at −1.1 V vs RHE). This can be explained by the fact that ZIF-8 has the smallest adsorption energy of hydrogen, facilitating the desired CO2RR process. The outcomes of this study serve as a foundation for the exploration of transition

• −1.0 V (RHE), whereas the values were 48.8% and 34.7% for Fe-doped ZIF-8 and Ni-doped ZIF-8 at −1.2 V (RHE), respectively (Figure 4b). These results were confirmed by theoretical calculations, which indicated the lowest COOH adsorption energy of Cu-doped ZIF-8 (Figure 4c). Cu-based MOF nanomaterials Cu

Two-dimensional molecular networks at the solid/liquid interface and the role of alkyl chains in their building blocks

• Suyi Liu,
• Yasuo Norikane and
• Yoshihiro Kikkawa

Beilstein J. Nanotechnol. 2023, 14, 872–892, doi:10.3762/bjnano.14.72

• the molecular arrangement and orientation. Among the non-covalent interactions, dispersion interactions that derive from alkyl chain units are believed to be weak. However, alkyl chains play an important role in the adsorption onto substrates, as well as in the in-plane intermolecular interactions. In

• , halogen bonding, and metal coordination, are often exploited for the formation of 2D structures. However, dispersion forces originating from the alkyl chains also play an important role in the adsorption onto the substrate, as well as in the in-plane intermolecular interactions at the solid/liquid

• alkyl chains in 2D nanoarchitectures at the solid/liquid interface. Review 1 Adsorption of alkyl chains The first step in the formation of self-assembled structures at the HOPG/solvent interface is the adsorption of molecules via dispersion forces deriving from alkyl chains and other moieties such as

A wearable nanoscale heart sound sensor based on P(VDF-TrFE)/ZnO/GR and its application in cardiac disease detection

• Yi Luo,
• Jian Liu,
• Jiachang Zhang,
• Yu Xiao,
• Ying Wu and
• Zhidong Zhao

Beilstein J. Nanotechnol. 2023, 14, 819–833, doi:10.3762/bjnano.14.67

• -TrFE). Graphene (GR) exhibits outstanding electrical conductivity and strong adsorption capabilities. When combined with ZnO, it forms a more homogeneous and compact structure, thereby enhancing the alignment and arrangement of ZnO crystals. Furthermore, the layered structure of GR enables it to enwrap

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

• surface characteristics and concentration of nanocatalyst, which directly impact the binding/adsorption capability of the reactant and the release/desorption of the reaction products [49]. This study aims to investigate the catalytic activity of the nanocomposite AgNPs@Lac/Alg for the degradation of two

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

• , distribution, and toxicity of nanoceria within biological systems. Cellular uptake studies of nanoceria in lung adenocarcinoma (A549) cells favored particles with a negative zeta potential. However, positively charged particles resulted in greater bovine serum albumin adsorption. This suggests that surface

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

• widely accepted vapor–liquid–solid mechanism, the growth of CNTs occurs in three steps, namely, melting of nickel particles, adsorption of carbon atoms onto the surface of the metallic nickel, and finally, diffusion and deposition of the precipitated carbon, which forms tubular materials by curling of

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

• and, thus, on the measured VCPD. All these aspects can lead to surface inhomogeneities, which result in VCPD variations compared to an otherwise constant measurement on bulk material. KPFM analysis was carried out under ambient conditions, which result in surface oxidation and in the adsorption of

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

• adsorption sites (S), for example, in a reaction: [30], may contribute to accumulation of holes near the surface (Figure 3c) [12][14][31]. Then, upon exposure to humidity, the conductivity reduces; impedances measured at RH 5–20% (ca. 0.5 GΩ) are lower than impedances of 2–8 GΩ measured in the RH region of

• 20–50% (Figure 3a). Possibly, at these RH levels, the concentration of free charge carriers in the CuO nanowires reduces, as hole trapping [32] occurs due to adsorption of gaseous H2O molecules on the CuO surface, dissociation in H+ and OH−, and formation of surface dipoles (Cu+–OH−). Water reactions

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

• Akeem Adeyemi Oladipo,
• Saba Derakhshan Oskouei and
• Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

• developing luminescent sensors include their toxicity, ease of aggregation, photobleachability, and low capacity for adsorption of the target analyte. Numerous luminescent materials, including semiconductors, metal complexes, metal-based fluorescent nanoparticles, MOFs, and inorganic phosphors doped with

• luminescence, and a desirable adsorption capacity that can enhance MOF–target analyte interactions and transduce these interactions into measurable optical responses. A nanoscale MOF (In-sbdc) with a significant quantum yield of 13% and stable emission in water, for instance, was synthesised by Liu et al. [42

• in MOFs can either be quenched or enhanced. Due to their exceptional characteristics, MOFs have found usage in a variety of fields, including sensors, gas adsorption, energy storage, drug delivery, catalysis, water treatment, and bio-medical imaging [89][90][91][92][93][94][95][96][97][98][99][100

Titania nanoparticles for photocatalytic degradation of ethanol under simulated solar light

• Evghenii Goncearenco,
• Iuliana P. Morjan,
• Claudiu Teodor Fleaca,
• Florian Dumitrache,
• Elena Dutu,
• Monica Scarisoreanu,
• Valentin Serban Teodorescu,
• Alexandra Sandulescu,
• Crina Anastasescu and
• Ioan Balint

Beilstein J. Nanotechnol. 2023, 14, 616–630, doi:10.3762/bjnano.14.51

• are shown in Figure 4d and were fitted with two peaks. The peaks at binding energies of 529.9 and 530.5 eV are attributed, respectively, to oxygen bound to Ti4+ and the adsorption of –OH on the surface [50][51]. The XPS results do not show differences between the two series of samples and do not

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

• photocatalysis, adsorption, and EM absorption [25]. Researchers have developed ZnO-based absorbing materials with different microstructures, such as core–shell structures [26], flower-like structures [27], rod-like structures [28], cage-like structures, and nanoparticles [29][30]. Wu et al. demonstrated that it

Molecular nanoarchitectonics: unification of nanotechnology and molecular/materials science

• Katsuhiko Ariga

Beilstein J. Nanotechnol. 2023, 14, 434–453, doi:10.3762/bjnano.14.35

• were successfully synthesized by sequential coupling of CF3-substituted copper, cobalt, and palladium porphyrins on the surface. The assembly of different porphyrin oligomers combines multiple functional properties such as gas adsorption and magnetism in a one-dimensional structure. This approach could