Design and selection of peptides to block the SARS-CoV-2 receptor binding domain by molecular docking

• Kendra Ramirez-Acosta,
• Ivan A. Rosales-Fuerte,
• J. Eduardo Perez-Sanchez,
• Alfredo Nuñez-Rivera,
• Josue Juarez and
• Ruben D. Cadena-Nava

Beilstein J. Nanotechnol. 2022, 13, 699–711, doi:10.3762/bjnano.13.62

• , and their interaction with the RDB is discussed in the following section. Physicochemical parameters and peptide–RBD interaction Solubility, net charge, and size are important physical parameters that need to be considered in the design of novel drugs since these play a role in the distribution in the

• human body and in targeting specific cells, bacteria, viruses, or proteins. Therefore, the physicochemical parameters of the peptides and the peptide conformation after binding to RBD were obtained by using WinHydroPro software. The results are given in Table 2. The peptide net charge, isoelectric point

• physical and biochemical properties of the potential peptides. Summary of the physicochemical properties of the final peptide candidates. Secondary structure and contact area of peptides. The secondary structure is presented as the number of amino acids in each structure divided by the total number of

Nanoarchitectonics of the cathode to improve the reversibility of Li–O₂ batteries

• Hien Thi Thu Pham,
• Jonghyeok Yun,
• So Yeun Kim,
• Sang A Han,
• Jung Ho Kim,
• Jong-Won Lee and
• Min-Sik Park

Beilstein J. Nanotechnol. 2022, 13, 689–698, doi:10.3762/bjnano.13.61

• blocked, resulting in a decrease of the electrochemical performance of LOBs [9]. In addition to the pore structure of the cathode, the morphology and physicochemical properties of Li2O2 directly affect the overpotential and round-trip efficiency of LOBs during cycling [10][11]. The morphologies and

• physicochemical properties of Li2O2 are reported to be dependent on many factors, including the pore structure of cathode. The electrical conductivity of the cathode is also essential for securing long-term cyclability as well as rate capability [12]. In this respect, various types of carbon materials have been

• as promising cathode materials for LOBs. The surface area and pore volume of the ZnxCoy–C/CNT composites could be controlled by adjusting the Zn/Co ratio during synthesis. The chemical composition of ZnxCoy particles directly affects their physicochemical properties such as BET surface area, pore

Antibacterial activity of a berberine nanoformulation

• Hue Thi Nguyen,
• Tuyet Nhung Pham,
• Anh-Tuan Le,
• Nguyen Thanh Thuy,
• Tran Quang Huy and
• Thuy Thi Thu Nguyen

Beilstein J. Nanotechnol. 2022, 13, 641–652, doi:10.3762/bjnano.13.56

• of glycerol on the physicochemical properties of BBR NPs was investigated by UV–vis absorption and FTIR spectroscopy. The UV–vis absorption spectra of pure BBR and BBR NP solutions in distilled water at the same concentration are shown in Figure 1. Glycerol has no absorption band in the UV–vis

• BBR in a 2.0 mL Eppendorf tube containing 1.0 mL of distilled water. The tube was placed in an ultrasonic bath for 30 min at room temperature. Then, the BBR solution was centrifuged at a speed of 5000 rpm for 5 min. The supernatant liquid was withdrawn as saturated BBR solution. Physicochemical

Detection and imaging of Hg(II) in vivo using glutathione-functionalized gold nanoparticles

• Gufeng Li,
• Shaoqing Li,
• Rui Wang,
• Min Yang,
• Lizhu Zhang,
• Yanli Zhang,
• Wenrong Yang and
• Hongbin Wang

Beilstein J. Nanotechnol. 2022, 13, 549–559, doi:10.3762/bjnano.13.46

• cancer cells. In another work, Basu et al. designed a novel sensing system using DNA-functionalized GNPs. GNPs have a strong binding affinity to phosphate and sugar groups in DNA [20]. The combined GNPs-DNA has unique physicochemical properties and was used to detect Mg2+. Furthermore, Liu et al

Stimuli-responsive polypeptide nanogels for trypsin inhibition

• Petr Šálek,
• Jana Dvořáková,
• Sviatoslav Hladysh,
• Diana Oleshchuk,
• Ewa Pavlova,
• Jan Kučka and
• Vladimír Proks

Beilstein J. Nanotechnol. 2022, 13, 538–548, doi:10.3762/bjnano.13.45

• -responsive behavior of the nanogels As the formed polypeptides are polyelectrolytes, their stimuli-responsive behavior was studied [26]. Here, biocompatible and biodegradable PHEG-Tyr and biocompatible Nα-Lys-NG were incubated at different pH values and temperatures to study their physicochemical properties

Design and characterization of polymeric microneedles containing extracts of Brazilian green propolis

• Camila Felix Vecchi,
• Rafaela Said dos Santos,
• Jéssica Bassi da Silva and
• Marcos Luciano Bruschi

Beilstein J. Nanotechnol. 2022, 13, 503–516, doi:10.3762/bjnano.13.42

• physicochemical characteristics for potential application as nanostructured platforms for controlled drug delivery [28][29][30]. To our knowledge, MNs containing PRP have not been proposed before. Therefore, the aim of this study was to design microneedles composed of PVA, PVP, and P407 for the delivery of

Ethosomal (−)-epigallocatechin-3-gallate as a novel approach to enhance antioxidant, anti-collagenase and anti-elastase effects

• Çiğdem Yücel,
• Gökçe Şeker Karatoprak,
• Sena Yalçıntaş and
• Tuğba Eren Böncü

Beilstein J. Nanotechnol. 2022, 13, 491–502, doi:10.3762/bjnano.13.41

• at 4 °C (correlation coefficient, r2 = 0.994) and 22 days at 25 °C (r2 = 0.991), respectively. In ETHGs, it was determined that the gel was transparent at 4 °C, and transparent/yellowish at 25 °C, ± 60% relative humidity. The gel system showed good physicochemical properties at both 4 and 25 °C. The

• prepared and these semisolid systems were subjected to stability tests by storing them at 4 °C for 3 months. These formulations were evaluated in terms of pH values, viscosity, smoothness, stickiness, and spreadability. According to the physicochemical evaluation of the cream formulations, their

A non-enzymatic electrochemical hydrogen peroxide sensor based on copper oxide nanostructures

• Irena Mihailova,
• Vjaceslavs Gerbreders,
• Marina Krasovska,
• Eriks Sledevskis,
• Valdis Mizers,
• Andrejs Bulanovs and
• Andrejs Ogurcovs

Beilstein J. Nanotechnol. 2022, 13, 424–436, doi:10.3762/bjnano.13.35

• being horseradish peroxidase) [34][35][36], and detection is carried out through physicochemical processes of interaction between H2O2 and the enzyme. This type of sensor has high catalytic activity, sensitivity, and selectivity. However, enzyme sensors have a significant disadvantage, namely enzyme

Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis

• Zahra Nabizadeh,
• Mahmoud Nasrollahzadeh,
• Hamed Daemi,
• Mohamadreza Baghaban Eslaminejad,
• Ali Akbar Shabani,
• Mehdi Dadashpour,
• Majid Mirmohammadkhani and
• Davood Nasrabadi

Beilstein J. Nanotechnol. 2022, 13, 363–389, doi:10.3762/bjnano.13.31

• compounds with diameters from 1 to 1000 μm prepared by physicochemical methods [20]. A microsphere-based controlled release strategy is extensively used in scaffold fabrication because of the remarkable ability of microparticles to serve as carriers for delivery of drugs, bioactive molecules, and growth

• stability compared to flat tissue culture polystyrene surface (TCPS) and PLLA scaffold. It is well-accepted that polysaccharides containing sulfate groups can mimic the physicochemical and biological properties of sulfated GAGs [113]. In this context, Irani et al. used sulfated alginate as a heparin

• carbon, silicon, boron, and halloysite clay sheets and possess unique physicochemical properties. Among nanotube structures, much attention has been paid to carbon nanotubes (CNTs) because of their excellent mechanical and tensile strength properties, thermal and electrical conductivity, and high surface

Coordination-assembled myricetin nanoarchitectonics for sustainably scavenging free radicals

• Xiaoyan Ma,
• Haoning Gong,
• Kenji Ogino,
• Xuehai Yan and
• Ruirui Xing

Beilstein J. Nanotechnol. 2022, 13, 284–291, doi:10.3762/bjnano.13.23

• activity for maintaining redox homeostasis in cells. Physicochemical characterization of MZG nanoparticles. (a) TEM image. (b) DLS profile of MZG nanoparticles. (c) UV–vis absorbance spectra of Myr dissolved in (0.1 M NaOH), Myr/Zn2+ complex, GSH, and MZG (equivalent concentration of Myr: 20 μg·mL−1). (d

Relationship between corrosion and nanoscale friction on a metallic glass

• Haoran Ma and
• Roland Bennewitz

Beilstein J. Nanotechnol. 2022, 13, 236–244, doi:10.3762/bjnano.13.18

• corrosion on nanoscale friction. The evolution of friction upon repeated scanning cycles on the corroded surfaces reveals a bilayer surface oxide film, of which the outer layer is removed by the scanning tip. The measurement of friction and adhesion allows one to compare the physicochemical processes of

• inner layer, which involves two physicochemical processes. Metal cations are generated at the interface between the inner and outer layer by the dissolution of the inner layer oxides and the metal substrate and then diffuse away from the interface. In the case of immersion, the constant small adhesion

• experiences, thus, a higher plowing resistance. The outer layer grows by precipitation of metal hydrates, which are formed when dissolved metal ions diffuse towards the solution. This growth of the outer layer involves the three physicochemical processes depicted in Figure 5d, which have been invoked to

Engineered titania nanomaterials in advanced clinical applications

• Padmavati Sahare,
• Paulina Govea Alvarez,
• Juan Manual Sanchez Yanez,
• Gabriel Luna-Bárcenas,
• Samik Chakraborty,
• Sujay Paul and
• Miriam Estevez

Beilstein J. Nanotechnol. 2022, 13, 201–218, doi:10.3762/bjnano.13.15

• review aims to present a comprehensive and up-to-date overview of TiO2-based nanotherapeutics and the corresponding future challenges. Keywords: clinical application; nanostructures; physicochemical; theranostics; titanium dioxide (TiO2); Introduction Nanomaterials can be described as any organic

• . The advancement of this novel inorganic nanomaterial in theranostic nanomedicine might lead to an era of technology that can be used in real-world clinical settings. Review Effect of physicochemical properties of TiO2 on biocompatibility Biocompatibility is considered as one of the most important

• considered as a valuable antimicrobial agent due to its photocatalytic activity and self-cleaning properties. Several factors might affect the physicochemical properties of TiO2 nps. Crystal structure and shape are the most critical factors responsible for their antimicrobial property [76]. TiO2 has

Theoretical understanding of electronic and mechanical properties of 1T′ transition metal dichalcogenide crystals

• Seyedeh Alieh Kazemi,
• Sadegh Imani Yengejeh,
• Vei Wang,
• William Wen and
• Yun Wang

Beilstein J. Nanotechnol. 2022, 13, 160–171, doi:10.3762/bjnano.13.11

• /bjnano.13.11 Abstract Transition metal dichalcogenides (TMDs) with a 1T′ layer structure have recently received intense interest due to their outstanding physical and chemical properties. While the physicochemical behaviors of 1T′ TMD monolayers have been widely investigated, the corresponding properties

• of layered 1T′ TMD crystals have rarely been studied. As TMD monolayers do not have interlayer interactions, their physicochemical properties will differ from those of layered TMD materials. In this study, the electronic and mechanical characteristics of a range of 1T′ TMDs are systematically

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

• Senuri Kumarage,
• Imalka Munaweera and
• Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

• different physicochemical properties of the solvents, such as the electrical conductivity, inherent viscosity of the polymers, and the difference of solubility parameters of the solvent and the polymer [36]. Moreover, they have reported that entanglement concentrations of the polymers varied significantly

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

• Viet Van Pham,
• Hong-Huy Tran,
• Thao Kim Truong and
• Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

• reports still proposed its photocatalytic behaviors partly based on •O2− species via the combination of experimental physicochemical analyses, such as electron spin resonance (ESR) spectroscopy, active species trapping experiments, valence band X-ray photoelectron spectroscopy (XPS), and diffuse

• [47]. Surface and defect states Structural defects and lattice imperfections usually bestow most of the properties exploited for applications of SnO2 materials as they influence various physicochemical properties and reactions on the surface. Most important are defect states of materials, including

Sputtering onto liquids: a critical review

• Anastasiya Sergievskaya,
• Adrien Chauvin and
• Stephanos Konstantinidis

Beilstein J. Nanotechnol. 2022, 13, 10–53, doi:10.3762/bjnano.13.2

• misunderstanding of physicochemical basics of this technique. For this purpose, a presentation of the underlying processes leading to NP production is first provided. This part is constituted of a brief introduction to (i) sputtering and (ii) the kinetics of NP nucleation and growth in solutions. Then, the

• physicochemical characteristics is required for their applications in various fields on the industrial scale [15]. Generally, methods employed for the synthesis of NPs follow either the “top-down” or the “bottom-up” routes. On the one hand, in the “top-down” approach, a destructive technology is employed. The

• gauge, the electric power supply, and the gas inlets. Sputtering processes have been studied and developed for a long time [7][8] and have been implemented in the coating industry to deposit nanometer-scale films onto various solid substrates. Such functional coatings must have tailored physicochemical

Chemical vapor deposition of germanium-rich CrGe_x nanowires

• Vladislav Dřínek,
• Stanislav Tiagulskyi,
• Roman Yatskiv,
• Jan Grym,
• Radek Fajgar,
• Věra Jandová,
• Martin Koštejn and
• Jaroslav Kupčík

Beilstein J. Nanotechnol. 2021, 12, 1365–1371, doi:10.3762/bjnano.12.100

• even replace them due to their better physicochemical properties. However, while research on plenty of metal silicides is already underway, we are only at the beginning with germanides. For example, CuSix has been studied extensively for some time. There is even an important application of copper

• chromium silicide/germanide. CrSix has been described in tens of publications and at least some properties of it are known and classified. However, only few CrGex publications have been published so far. Although silicon and germanium as representatives of group-IV elements possess similar physicochemical

Identifying diverse metal oxide nanomaterials with lethal effects on embryonic zebrafish using machine learning

• Richard Liam Marchese Robinson,
• Haralambos Sarimveis,
• Philip Doganis,
• Xiaodong Jia,
• Marianna Kotzabasaki,
• Christiana Gousiadou,
• Stacey Lynn Harper and
• Terry Wilkins

Beilstein J. Nanotechnol. 2021, 12, 1297–1325, doi:10.3762/bjnano.12.97

• (i.e., depending on the exposure medium) physicochemical characteristics [18][19][20]. However, concerns have been raised regarding the human health relevance of the endpoints modelled in many nano-QSAR studies [21]. There is a need for models that can predict human safety relevant endpoints

• University), with minimal, clearly documented, variations in experimental conditions, and were linked to comparable physicochemical characterisation data. However, the first published modelling studies of NBI Knowledgebase data treated the characterisation data, used as input to predictive models, in a

• simple fashion [23][27]. Specifically, in addition to using other qualitative and quantitative physicochemical characteristics (such as average primary particle size), these studies only used the names of chemical components, that is, the core, surface functional groups (FGs) or the shell, as descriptors

Irradiation-driven molecular dynamics simulation of the FEBID process for Pt(PF₃)₄

• Alexey Prosvetov,
• Alexey V. Verkhovtsev,
• Gennady Sushko and
• Andrey V. Solov’yov

Beilstein J. Nanotechnol. 2021, 12, 1151–1172, doi:10.3762/bjnano.12.86

• electrons emitted from a SiO2 substrate were used to simulate electron-induced formation and growth of metal nanostructures after deposition of W(CO)6 precursors on SiO2. Investigation of the physicochemical phenomena that govern the formation and growth of nanostructures coupled to radiation is a complex

Self-assembly of Eucalyptus gunnii wax tubules and pure ß-diketone on HOPG and glass

• Miriam Anna Huth,
• Axel Huth and
• Kerstin Koch

Beilstein J. Nanotechnol. 2021, 12, 939–949, doi:10.3762/bjnano.12.70

• used to study their recrystallization by SEM and AFM. Experimental Substrates used for recrystallization Recrystallization experiments of a wax solution and a ß-diketone solution were done on two substrates with different physicochemical properties. Glass microscope coverslips were used as polar

The role of deep eutectic solvents and carrageenan in synthesizing biocompatible anisotropic metal nanoparticles

• Nabojit Das,
• Akash Kumar and
• Raja Gopal Rayavarapu

Beilstein J. Nanotechnol. 2021, 12, 924–938, doi:10.3762/bjnano.12.69

• utilizing safe nanomaterials for advanced biomedical and clinical applications. Keywords: anisotropic nanoparticles; carrageenan; cytotoxicity; eutectic solvents; surfactants; Review Introduction Plasmonic metals such as gold and silver, upon achieving nanoscale dimensions, exhibit unusual physicochemical

• in biomedical research is gaining attention due to their plasmonic/optical properties. However, in vitro cytotoxicity assessment of these nanomaterials is a prerequisite for further in vivo validation and subsequent clinical trials. The physicochemical properties of a nanoparticle such as size, shape

• nanoparticles than for spherical shapes. This is due to greater exposed surface area and more defects during crystal growth of anisotropic nanoparticles. Gold nanoparticles show tremendous potential in biomedical research due to unique optical and physicochemical properties and the inert nanoparticle core. The

Comprehensive review on ultrasound-responsive theranostic nanomaterials: mechanisms, structures and medical applications

• Sepand Tehrani Fateh,
• Lida Moradi,
• Elmira Kohan,
• Michael R. Hamblin and
• Amin Shiralizadeh Dezfuli

Beilstein J. Nanotechnol. 2021, 12, 808–862, doi:10.3762/bjnano.12.64

• materials that can undergo specific structural changes, for instance, protonation, cleavage, or conformational changes after exposure to certain stimuli which trigger the release of the cargo [3]. The physicochemical properties of these systems can be changed when triggered by environmental stimuli, such as

Physical constraints lead to parallel evolution of micro- and nanostructures of animal adhesive pads: a review

• Thies H. Büscher and
• Stanislav N. Gorb

Beilstein J. Nanotechnol. 2021, 12, 725–743, doi:10.3762/bjnano.12.57

• affinity to substrata with various physicochemical properties (hydrophilic and hydrophobic). In other words, the fluid may be a kind of coupling agent, promoting and strengthening the adhesion between otherwise incompatible materials by providing the proximity of contact for intermolecular forces. At a

Fate and transformation of silver nanoparticles in different biological conditions

• Barbara Pem,
• Marija Ćurlin,
• Darija Domazet Jurašin,
• Valerije Vrček,
• Rinea Barbir,
• Vedran Micek,
• Raluca M. Fratila,
• Jesus M. de la Fuente and
• Ivana Vinković Vrček

Beilstein J. Nanotechnol. 2021, 12, 665–679, doi:10.3762/bjnano.12.53

• Silver (nano) that insufficient data on AgNP physicochemical properties and toxicology in cosmetics hinder the health hazards caused by AgNPs [5]. Earlier, the Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR) raised questions on how different forms of Ag used in consumer and

• medical products may be related to human exposure and safety as AgNPs may undergo complex transformations in biological media [6]. It is well known that AgNP physicochemical characteristics, such as size, shape, surface charge, surface functionalization, or core composition determine their interactions

• absorption spectroscopy (GF-AAS), nuclear magnetic resonance (NMR) spectroscopy, and transmission electron microscopy (TEM) experiments. Physicochemical characteristics of freshly prepared AgNPs Freshly prepared AgNPs coated with PVP, sodium bis(2-ethylhexyl)sulfosuccinate (AOT), and poly(ʟ-lysine) (PLL

Nanoporous and nonporous conjugated donor–acceptor polymer semiconductors for photocatalytic hydrogen production

• Zhao-Qi Sheng,
• Yu-Qin Xing,
• Yan Chen,
• Guang Zhang,
• Shi-Yong Liu and
• Long Chen

Beilstein J. Nanotechnol. 2021, 12, 607–623, doi:10.3762/bjnano.12.50

• multiple kind of acceptors, for example, D–A–A can improve the HER compared with simple D–A structures. (2) Incorporating heteroatoms, such as N, S, and O, into the polymer backbone can effectively modulate the physicochemical properties of the polymers. (3) Attaching side chains or functional groups, such