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

• for potential use as oxygen transporters in vivo, the particles were characterized in different ways. Thus, comparability was achieved between different particle batches in different experiments. All experiments within this work have been performed with HbMPs from the same batch. Concentration

• determination HbMP suspension was placed in glass capillaries for hematocrit determination and then centrifuged at 15,000g for 10 min. The amount of particle sediment was determined manually, and the remaining suspension was diluted with 0.9% NaCl to a concentration of 2% HbMP. Size, zeta potential, and

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

• nanoparticles and ZnO nanorods obtained via a simple and cost-effective synthesis process has great potential for optoelectronic applications. Keywords: CuO nanoparticles; heterojunction; optoelectronics; visible-light photodetector; ZnO nanorods; Introduction Optoelectronics is a field to accelerate the

• ]) to extend the light absorption towards the visible region. Copper oxide (CuO) is a candidate because of its narrow bandgap (ca. 1.35 eV), which is suitable for visible-light detection. Hence, CuO can be a potential material for solving the problem of limited light absorption of ZnO. Conduction and

• valence bands of CuO are at a more negative potential than those of ZnO to form type-II region bonds between CuO and ZnO, avoiding recombination and accelerating the separation of photogenerated electron–hole pairs [37]. To explore and confirm the effects of combining CuO and ZnO, we developed a

Nanoarchitectonics of photothermal materials to enhance the sensitivity of lateral flow assays

• Elangovan Sarathkumar,
• Rajasekharan S. Anjana and
• Ramapurath S. Jayasree

Beilstein J. Nanotechnol. 2023, 14, 988–1003, doi:10.3762/bjnano.14.82

• the NIR absorption potential, nanomaterials can also be used in the field of photothermal nanosensors, which is an underexplored, yet highly potential, area of research [31]. To use nanoparticles for photothermal applications, the absorption wavelength should lie in the NIR region (650–900 nm

• possessing well-engineered characteristics in terms of size, shape, and composition are regarded as potential candidates for diverse photothermal applications, including photothermal LFAs. Photothermal materials can be categorized into four main types, depending on their chemistry and light absorption

• factor of almost 256 (Figure 7D). This observation underscores the importance of optimizing GNP size for maximizing sensitivity while mitigating potential drawbacks. This finding opens new possibilities for the highly sensitive and quantitative detection using LFAs, enhancing the applicability in various

Fragmentation of metal(II) bis(acetylacetonate) complexes induced by slow electrons

• Janina Kopyra and
• Hassan Abdoul-Carime

Beilstein J. Nanotechnol. 2023, 14, 980–987, doi:10.3762/bjnano.14.81

• attachment. The reported data may contribute to a better understanding of the physical chemistry underlying the electron–molecule interactions, which is crucial for potential applications of these molecular systems in the deposition of nanoscale structures. Keywords: dissociative electron attachment; gas

• nanocrystals [13][14]. The popularity of these compounds is related to their volatile nature, ease of preparation, and often lower air sensitivity and toxicity in comparison to organometallic compounds containing carbon–metal bonds (e.g., metallocenes). In the context of a potential use of these organometallic

• the dissociation products and the pathways for anion production will contribute to a better understanding of the fundamental chemistry of ML2 compounds. This is desirable for potential applications requiring the knowledge of decomposition of such organometallic complexes by particles (e.g., electron

Isolation of cubic Si₃P₄ in the form of nanocrystals

• Polina K. Nikiforova,
• Sergei S. Bubenov,
• Vadim B. Platonov,
• Andrey S. Kumskov,
• Nikolay N. Kononov,
• Tatyana A. Kuznetsova and
• Sergey G. Dorofeev

Beilstein J. Nanotechnol. 2023, 14, 971–979, doi:10.3762/bjnano.14.80

• number of potential benefits to both science and industry. These methods often employ new strategies for the synthesis of specific classes of substances. For example, the widely known development of perovskite synthesis through ion exchange reactions has attracted attention in scientific as well as

• . Several techniques for functionalization and colloidal solubilization of Si3P4 NPs were outlined. Optical properties of the material were studied to reveal an experimental bandgap of 1.25 eV. Potential applications of the material include the preparation of microcircuits through the introduction of P

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

• metal sites; pore size; Introduction One of the major issues associated with CO2 emissions is the heightened risk of climate change faced by our planet. Furthermore, there is an alarming issue of elevated levels of air pollution affecting human population [1]. One potential solution to address this

• structures that were modified with amino groups [43]. This study could provide adequate information for further experiments in CO2 storage areas. Conclusion Undoubtedly, MOFs have been widely recognized as promising nanomaterials for CO2 adsorption, offering potential mitigiation of the impact of CO2 gas on

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

• knowledge of the authors, this is the first work on ML models using periodic table descriptors to successfully demonstrate the high potential of the proposed modeling approaches. Methods and Materials Dataset The dataset was collected from previously published literature [20]. A mixture of nano-TiO2 powders

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

• materials is one of the most relevant fields in materials science. Layered double hydroxides (LDHs), a versatile class of anionic clays, exhibit great potential in photocatalysis, energy storage and conversion, and environmental applications. However, its implementation in real-life devices requires the

• ]. These materials play a key role both from a fundamental point of view and regarding potential applications in electronic devices, drug delivery, and energy storage and conversion, to name a few [5][6][7][8]. Layered materials range from monoelementals (i.e., graphene, silicene, germanene, or pnictogens

• storage and conversion [19][20][21], quantum materials [22][23], and others [24]. This wide range of potential applications makes the development of reliable scaling processes crucial. Usually, LDHs are obtained by different synthesis procedures such as co-precipitation [25], hydrothermal synthesis [13

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

• is an essential water-soluble vitamin for normal cellular function, growth, and cell signaling. Biotin receptors are highly overexpressed in the body; therefore, it is a potential target for a large number of diseases [65]. Avidin is a tetrameric basic glycoprotein with oligosaccharide moieties of

• potential plays an essential role in the interaction between protein and NPs as opposite charges produce strong interaction and result in high conformational changes [76]. The conjugation of antibodies on nanoparticle surfaces enhances the delivery of drug cargo specifically to disease sites. Once NPs enter

• affected by their physicochemical properties, including hydrodynamic diameter, surface potential, shape, functional groups, and hydrophobicity. The protein corona reduces the targeted delivery of NPs by disturbing or inhibiting the binding of target molecules to their receptors. Mirshafiee et al. used a

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

• valuable compounds through electrochemical reduction. The electrocatalytic process for CO2 reduction reactions (CO2RR) encounters a persistent obstacle in the activation of CO2 [4]. The formation of CO2•− necessitates a high thermodynamic potential of −1.90 V vs the standard hydrogen electrode

• presented. Finally, we present the potential pathways and current problems in progressing MOF-based nanomaterials for CO2 conversion. Review Mechanism of CO2RR The process of CO2 reduction consists of three steps. First, the CO2 molecules are adsorbed on the active sites of catalysts. Second, charge

• products, as shown in Figure 1. In addition to the properties of the catalyst material, other parameters, such as potential, pH, solvent, and temperature, also determine the formation of desired products. MOFs nanomaterials for electrocatalytic reduction of CO2 Ni-based MOFs nanomaterials Two-dimensional

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

• The main goal of this work was to evaluate the therapeutic potential of green superparamagnetic iron oxide nanoparticles (SPIONs) produced with coconut water for treating cutaneous leishmaniasis caused by Leishmania amazonensis. Optical and electron microscopy techniques were used to evaluate the

• ). Discussion SPIONs represent a new approach to diagnosing and treating diseases, particularly when associated with magnetic hyperthermia, an emerging form of active treatment [14][15][16][17][18]. However, despite all their potential, the synthesis processes of the SPIONs are characterized by being expensive

• and toxic to humans and the environment [6]. In this scenario, our group demonstrated the therapeutic potential of low-cost biocompatible SPIONs produced by green synthesis [9]. The present study aimed to evaluate in vitro the therapeutic potential of SPIONs produced with coconut water to treat

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

• Applied Sciences, University of Tsukuba, Ibaraki, 305-8571, Japan 10.3762/bjnano.14.72 Abstract Nanoarchitectonics has attracted increasing attention owing to its potential applications in nanomachines, nanoelectronics, catalysis, and nanopatterning, which can contribute to overcoming global problems

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

• but also the potential for deliberate etching, with the outcome determined by choice of chemically synthesized organic species and solvent. Keywords: gold etchant; microfabrication; N-heterocyclic carbenes; self-assembled monolayer (SAM); thin films; Introduction Self-assembled monolayers (SAMs) are

• File 1) shows similar results after exposure of gold-coated tokens to 1 and 2 in THF and DCM. Figure S2 (Supporting Information File 1) is a control for any potential effect of solvent. The areal contiguity of the film was unchanged after the longest solvent-only immersion time we used. This

Biomimetics on the micro- and nanoscale – The 25th anniversary of the lotus effect

• Matthias Mail,
• Kerstin Koch,
• Thomas Speck,
• William M. Megill and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2023, 14, 850–856, doi:10.3762/bjnano.14.69

• unexplored [3]. Uncovering this water repellence mechanism led to a revolution in the development of such surfaces, which promise huge potential for inspiration for technical innovations and applications. In 2022, we celebrated the 25th anniversary of this significant botanical publication, which was an

• . The authors present a new technique that has the potential to achieve the breakthrough the researchers in the field have been searching for. This technique uses a typical industrial process in which a continuous film is run over and between rollers. The so-called roll-to-roll process takes the

• ecological role in the biosphere are potential biological “prototypes” for technical developments, which might significantly contribute for a “greener future”. Taking into account the fast development of biomimetics as a research field in recent years, we took the 25th anniversary of the lotus effect

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

• contaminant, water, sputtered by ultralow-energy ion beams, ranging from 50 to 500 eV and covering the full range of incidence angles, using molecular dynamics simulations with the ReaxFF potential. We show that the expected sputtering yield trends are maintained down to the lowest sputtering yields. A region

• breaking of bonds in the sample. The second one is the Morse potential [32] used to model the interactions of the argon particles with other species. Since argon atoms interact only very weakly with the sample atoms, a simple Morse potential is enough to describe these interactions. ReaxFF potentials are

• different energies and under different angles. The ReaxFF potential uses the QEq charge equilibration method [33][37][38], which is important because this method provides the partial charges for various chemical environments. The force field parameters from the supporting information of [29] were also used

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

• sound, while “2” indicates normal heart sound. In general, this heart sound acquisition system can quickly collect and predict heart sound signals, while also providing audio and visual output. The heart sound acquisition probe is soft, comfortable, and advanced, with the potential to become a new type

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

• ) and a biphasic drug release profile with an initial burst release followed by a prolonged phase. The hydrodynamic average diameter and zeta potential of NLC obtained by dynamic light scattering were approximately 150 nm and −13 mV, respectively, while spherical and well-distributed nanoparticles were

• mean size, zeta potential, polydispersity index, and %EE of the formulation remained stable for at least six months. The hemolytic effect of the nanoparticles was insignificant compared to that of the positive lysis control. The nanoparticle formulation exhibited similar performance in vitro against T

• . These results show potential for the development of new nanomedicines against T. cruzi. Keywords: benznidazole; biopharmaceutical study; Chagas disease; nanoparticles; nanostructured lipid carriers; physicochemical characterization; Trypanosoma cruzi; Introduction Chagas disease is a neglected disease

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

• the potential to be a valuable analytical tool for monitoring environmental contaminants. Keywords: 3D printing; microfluidic droplet; SERS substrate; silver nanoparticle; smartphone detection; Introduction Surface-enhanced Raman spectroscopy (SERS) has emerged as a powerful optical trace detection

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

• activity. These findings suggest that this nanocomposite has the potential to be tailored for specific applications in environmental and medicinal treatments, making it a highly promising material. Keywords: alginate; bacterial activity; catalysis; lactose; silver nanoparticles; synthesis; Introduction

• Lac/Alg, namely 0.3 (AgNPs@Lac/Alg-0.3) and 0.7 (AgNPs@Lac/Alg-0.7), were selected for further physicochemical characterizations. Physicochemical characterizations The stability and size of the nanocomposites in the colloidal solution were evaluated through zeta potential and DLS measurements at a

• temperature of 25 °C. The results are presented in Figure 3, demonstrating that all the synthesized nanocomposites were stable. The zeta potential values of AgNPs@Lac/Alg-0.3 and AgNPs@Lac/Alg-0.7 were −61.6 mV and −41.0 mV, respectively. These values were lower than that of the blank Lac/Alg nanocomposite

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

• potential to inhibit cancerous tumor growth [5], reduce radiation-induced damage [6], and heal wounds [7], among many other effects [8][9] cited in the introduction of [10]. Cerium atoms on nanoceria surfaces can store or release oxygen, cycling between Ce3+ and Ce4+; therefore, they can relieve oxidative

• , 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

In situ magnesiothermic reduction synthesis of a Ge@C composite for high-performance lithium-ion batterie anodes

• Ha Tran Huu,
• Ngoc Phi Nguyen,
• Vuong Hoang Ngo,
• Huy Hoang Luc,
• Minh Kha Le,
• Minh Thu Nguyen,
• My Loan Phung Le,
• Hye Rim Kim,
• In Young Kim,
• Sung Jin Kim,
• Van Man Tran and
• Vien Vo

Beilstein J. Nanotechnol. 2023, 14, 751–761, doi:10.3762/bjnano.14.62

• curves. As shown in Figure 3a, the first cathodic process of the Ge electrode yielded a reduction peak at 0.17 V vs Li/Li+ and a broad band from 1.0 to 0.6 V vs Li/Li+. The lower-potential peak with stronger intensity can be attributed to the lithiation of Ge to form LixGe alloys with various

• cycle, the subsequent cycles yield broad and low-intensity peaks caused by the electrochemical milling of the active material, leading to reduced size and amorphous structures [59][60]. For the Ge@C electrodes, the first cathodic peaks in the potential range of 0.5–1.5 V vs Li/Li+, are assigned to the

• electrode is negligible. The galvanostatic cycling with potential limitation (GCPL) profiles of all electrodes in the first three cycles are shown in Figure 4. The first discharge curve of the Ge electrode consists of two plateaus at 0.20 and 0.40 V vs Li/Li+, corresponding to the alloying of Li and Ge and

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

• . Overall, CNT/epoxy nanocomposites with superior mechanical properties are preferred [4]. Scarselli et al. [5] synthesized CNTs with a three-dimensional network using a sulfur enhancer and, thus, created a porous product capable of adsorbing oils. Furthermore, CNT networks have a high potential to be

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

• technique for the analysis of an InP/GaInAs(P) multilayer stack. KPFM reveals a strong dependence on the local doping concentration, allowing for the detection of the surface potential of layers with a resolution as low as 20 nm. The analysis of the surface potential allowed for the identification of space

• charge regions and, thus, the presence of several junctions along the stack. Furthermore, a contrast enhancement in the surface potential image was observed when KPFM was performed under illumination, which is analysed in terms of the reduction of surface band bending induced by surface defects by

• of the atomic force microscope (AFM) for the evaluation of the surface potential with nanometric resolution. KPFM is a valuable investigative approach for the study of work functions via the measurement of the contact potential difference VCPD, that is, the difference between the electrostatic

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

• primary sources of environmental [2]. A Global Warming Potential (GWP) measurement was used to compare the global warming effects of different gases. It has been calculated to reflect how long gases remain in the atmosphere, on average, and how strongly it absorbs energy [3]. Besides, the discharge of

• appropriate for treating pollutants, even in atmospheric conditions [9][10][11]. Moreover, the photocatalysis method is also a potential solution for environmental remediation, carbon emission reduction, and renewable energy production [12][13][14]. Combining photocatalysts and sunlight irradiation is a

• potential strategy for water treatment via the effectively infinite energy from the sun and the photocatalysts. Photocatalysis based on nanostructured semiconductors can significantly contribute to tackling several environmental pollution problems, sustainable synthesis, and energy production [2][15][16

Current-induced mechanical torque in chiral molecular rotors

• Richard Korytár and
• Ferdinand Evers

Beilstein J. Nanotechnol. 2023, 14, 711–721, doi:10.3762/bjnano.14.57

• , realizations of molecular switches and rotors have been reported, [1][2][3][4][5][6][7][8][9], with potential relevance for future molecular technologies. The theory describing the working principle of such molecular motors often employs angular Langevin equations [9][10]. This method has been established by

• Hänggi [11] and Astumian [12] and their collaborators in the context of Brownian motors. It describes the dynamics of a classical angular variable ϑ that is subject to a “ratchet”-type potential in the presence of a (phenomenologically treated) driving torque. Ab initio expressions for the current

• ). The motion of the particle along the molecule obeys Lagrangian dynamics. The wire can rotate around a given axis with angle ϑ. The torque driving the rotation is provided by the back action of moving particle. In the absence of a potential V(ϑ), angular momentum is conserved. The main outcome of this