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

• release from the BBR/PLA and BBR NPs/PLA nanofiber scaffolds was investigated in relation to their chemical characteristics, BBR dispersion into nanofibers, and wettability. The BBR release profiles strongly influenced the antibacterial efficiency of the scaffolds over time. When the BBR was loaded, the

• , the BBR NPs/PLA nanofiber scaffold had more wettability and higher concentration of BBR NPs dispersed on the surface of PLA nanofibers. This led to a sustained release of 75 wt % of the loaded BBR during the first 24 h, and consequently boosted the antibacterial effectiveness. Moreover, the

• /PLA and BBR NPs/PLA electrospun nanofiber scaffolds, the latter appeared with a darker yellow color, which is typical of the natural color of BBR (Figure 1c). Chemical characteristics and wettability of BBR-loaded PLA nanofiber scaffolds By identifying distinct vibrational modes of various chemical

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

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

• Zoology, Christian-Albrechts-University of Kiel, Am Botanischen Garten 1–9, D-24118 Kiel, Germany 10.3762/bjnano.14.69 Keywords: biomimetic surfaces; hydrophobicity; lotus effect; Salvinia effect; superhydrophobicity; wettability; In 1997, Wilhelm Barthlott and Christoph Neinhuis published the paper

• pest insects by reducing the frictional forces experienced when they walk on the leaves. This structure might also provide mechanical stability to the growing plant organs and has an impact on the wettability of the leaves. Using polymer replicas of adaxial leaf surfaces at various scales, the surface

• -coated artificial leaf surfaces with chemical composition and wettability of wheat (Triticum aestivum) leaves. Such artificial leaves are of interest for in vitro studies of interactions of plant surfaces with living organisms and the non-living environment, as demonstrated by Huth et al. [11], where the

Conjugated photothermal materials and structure design for solar steam generation

• Chia-Yang Lin and
• Tsuyoshi Michinobu

Beilstein J. Nanotechnol. 2023, 14, 454–466, doi:10.3762/bjnano.14.36

• coating method to obtain light-trapping coatings of nanofibers by the copolymerization of dopamine and pyrrole, which can be directly and rapidly synthesized on a polystyrene (PS) foam at room temperature (Figure 9). Due to its excellent wettability, the coating is water permeable and can be directly

A novel approach to pulsed laser deposition of platinum catalyst on carbon particles for use in polymer electrolyte membrane fuel cells

• Bogusław Budner,
• Wojciech Tokarz,
• Sławomir Dyjak,
• Andrzej Czerwiński,
• Bartosz Bartosewicz and
• Bartłomiej Jankiewicz

Beilstein J. Nanotechnol. 2023, 14, 190–204, doi:10.3762/bjnano.14.19

• materials based on a synthesized carbon support C-11 (samples C and D) that were related to their wettability. After transferring approximately half of the material to the electrode, the catalyst layer obtained was not evenly wetted with the fresh ink. Adding a few drops of isopropanol did not improve the

Antimicrobial and mechanical properties of functionalized textile by nanoarchitectured photoinduced Ag@polymer coating

• Jessica Plé,
• Marine Dabert,
• Helene Lecoq,
• Sophie Hellé,
• Lydie Ploux and
• Lavinia Balan

Beilstein J. Nanotechnol. 2023, 14, 95–109, doi:10.3762/bjnano.14.11

• formulation. The choice of polymer matrix effectively dictates the observed wettability and adhesion to the chosen substrate. The adhesion properties can also be explained by the innovative structure of the depth-wise gradient distribution of AgNPs in the metallic coatings. Indeed, as the AgNPs and the

Gap-directed chemical lift-off lithographic nanoarchitectonics for arbitrary sub-micrometer patterning

• Chang-Ming Wang,
• Hong-Sheng Chan,
• Chia-Li Liao,
• Che-Wei Chang and
• Wei-Ssu Liao

Beilstein J. Nanotechnol. 2023, 14, 34–44, doi:10.3762/bjnano.14.4

• process provides a unique artificial defect-rich surface, which supports the creation of homogeneously distributed molecular environments for functional substrates, e.g., surface wettability control [23] and enhanced biorecognition phenomenon [24][25][26]. The versatility of CLL can also be expanded by

Atmospheric water harvesting using functionalized carbon nanocones

• Fernanda R. Leivas and
• Marcia C. Barbosa

Beilstein J. Nanotechnol. 2023, 14, 1–10, doi:10.3762/bjnano.14.1

• wettability variations combined with a nanometric design to improve water flow [39][40]. The paper is organized as follows: In the section “Model and Simulation Details”, the model is presented and the simulation method is explained. In the “Results and Discussion” section, the simulation results are shown

• approach, the variable that determines the wettability of the surface is the potential well defined by εr. The higher the value of εr, the more hydrophilic the surface is. Here we employed 1.5 ≥ εr ≥ 0.8. The water harvesting has been modeled according to the following mechanism: First, the vapor generated

• wettability of the hydrophilic slab (εr = 1.1). Without that, no molecule would have been captured. In the case of the completely hydrophobic nanocone, no droplet is formed in the base of the nanocone. Only very few molecules randomly enter and are successfully harvested, but this number is negligible. In

Laser-processed antiadhesive bionic combs for handling nanofibers inspired by nanostructures on the legs of cribellate spiders

• Sebastian Lifka,
• Kristóf Harsányi,
• Erich Baumgartner,
• Lukas Pichler,
• Dariya Baiko,
• Karsten Wasmuth,
• Johannes Heitz,
• Marco Meyer,
• Anna-Christin Joel,
• Jörn Bonse and
• Werner Baumgartner

Beilstein J. Nanotechnol. 2022, 13, 1268–1283, doi:10.3762/bjnano.13.105

• interaction and, thus, the design of a suitable surface structure to prevent sticking of an artificially nonwoven of nanofibers. Similar to the description of the Lotus effect [20][21][22][23], where the wettability of the hierarchical surface structure of the lotus leaf can be described with an energy

Biomimetic chitosan with biocomposite nanomaterials for bone tissue repair and regeneration

• Se-Kwon Kim,
• Sesha Subramanian Murugan,
• Pandurang Appana Dalavi,
• Sebanti Gupta,
• Sukumaran Anil,
• Gi Hun Seong and
• Jayachandran Venkatesan

Beilstein J. Nanotechnol. 2022, 13, 1051–1067, doi:10.3762/bjnano.13.92

• wettability of the chitosan/reduced graphene oxide composites with specific acetic acid and lactic acid shows water contact angles of (75.40° ± 4.32°) and (36.71° ± 4.53°) [60]. The anticancer agent cisplatin was loaded into graphene oxide/hydroxyapatite/chitosan composites to enable proliferation of

• wettability and protein adsorption which can facilitate osteogenesis [129]. Biomaterials such as chitosan and its composites containing bioactive metals draw much attention in tissue engineering and regenerative applications. Chitosan-based composites are now being studied in wound healing, bone and cartilage

Electrocatalytic oxygen reduction activity of AgCoCu oxides on reduced graphene oxide in alkaline media

• Iyyappan Madakannu,
• Indrajit Patil,
• Bhalchandra Kakade and
• Kasibhatta Kumara Ramanatha Datta

Beilstein J. Nanotechnol. 2022, 13, 1020–1029, doi:10.3762/bjnano.13.89

• and lower Tafel slope (giving rise to better electrokinetics) are the main reasons for the superior ORR performance of the ACC-2 sample. In addition to the catalyst size, morphology, conductivity, and the exposure of active sites, the surface wettability of the electrocatalyst significantly governs

• the interaction between electrolyte and the electrode surface. We probed the water wetting ability of supported ACC-2 and supportless ACC-2* by measuring the water contact angles (Figure S8a,b, Supporting Information File 1). The rGO-supported ACC-2 material showed a higher water wettability (14 ± 1

• °) than the supportless ACC-2* (40 ± 5°). The improved wettability can enhance the charge transfer rate between the electrolyte and the electrode, along with enabling effective electrical integration to reduce ohmic losses, boosting the ORR activity of ACC-2. We observed that ACC-2 displayed superior ORR

Design of a biomimetic, small-scale artificial leaf surface for the study of environmental interactions

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

Beilstein J. Nanotechnol. 2022, 13, 944–957, doi:10.3762/bjnano.13.83

• composition play significant roles. Here, the ability of self-assembly of wax after isolation from the leaves was used to develop a small-scale wax-coated artificial leaf surface with the chemical composition and wettability of wheat (Triticum aestivum) leaves. By thermal evaporation of extracted plant waxes

• and adjustment of the evaporated wax amounts, the wettability and chemical character of the microstructure of the surface of wheat leaves were transferred onto a technical surface. For the use of these artificial leaves as a test system for biotic (e.g., germination of fungal pathogens) and non-biotic

• among the most common wax structures. An overview of the morphology of various wax structures has been given by Barthlott and co-workers [24]. Wetting The wettability of leaves plays an important role in the interaction of plants with the environment, such as the interaction with pathogens and the

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

• Ioana Marica,
• Fran Nekvapil,
• Maria Ștefan,
• Cosmin Farcău and
• Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

• . Introducing defects reduces the optical gap, which allows for a more effective charge transfer between ZnO–Ag nanowires and the molecules attached. Also, the interstitial oxygen defects change the wettability of ZnO–Ag nanowires, which reduces the spreading of Ag NPs or probe molecules on the surface, which

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

• example, to modify the surface of nanofiber polymers, plasma treatment has been used to provide them with hydroxy, carboxyl, or amine polar groups to improve physical properties such as wettability, polarity, and bioadhesion [102]. As a result, surface-modified nanofibers will more likely absorb bioactive

• , and OH) and surface roughness to CNT, Antonioli et al. used oxygen plasma treatment and fabricated novel superhydrophilic VA–CTN films. This treatment could increase the wettability of the nanofilms to acquire appreciable cytocompatibility [134]. The chondrocytes expressed major chondrogenic markers

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

• hydroxy groups can react with water molecules. The thus formed hydrogen bonds account for a good wettability. An annealing temperature below 450 °C still retains the hydrophilic behavior because of the combined crystalline phase (anatase and rutile), but above that temperature, the reduction of the number

• titanium (cpTi). Thereafter, human osteoblast-like cell lines (hFOB) were cultured over annealed Ti, PCL, and PCL/TiO2 (2, 5, and 7 wt % TiO2) scaffolds. SEM images of the cell morphologies are shown in Figure 2. The addition of TiO2 nanoparticles enhances the wettability and surface area, thus favoring

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

• ][50]. Electrospun membranes have shown many advantages over conventional membranes used in water treatment/purification. Some of the common limitations of the conventional membranes are fouling, scaling, limited porosity, low mechanical strength, low permeation, low wettability, and residual solvents

• and on increasing flux and wettability by the incorporation of fillers. 5.2.2.1 Pressure-driven filtration. Pressure-driven filtration utilizes the transmembrane pressure difference as the driving force for membrane permeation. Pressure-driven filtration is classified into MF, ultrafiltration (UF

A review on slip boundary conditions at the nanoscale: recent development and applications

• Ruifei Wang,
• Jin Chai,
• Bobo Luo,
• Xiong Liu,
• Jianting Zhang,
• Min Wu,
• Mingdan Wei and
• Zhuanyue Ma

Beilstein J. Nanotechnol. 2021, 12, 1237–1251, doi:10.3762/bjnano.12.91

• addition, as downsizing can result in an increased surface-to-volume ratio, the solid–liquid interfacial properties, such as wettability and surface roughness, become key factors in the determination of liquid properties near the interface of nanosized systems, and may dramatically affect the slip flow

• rate as that of the complex system under the same ambient conditions and external perturbations [56]. 2 Effects of interfacial properties on slip length 2.1 Surface wettability effects 2.1.1 Variation of positive slip length. It is intuitive that the wettability of a liquid on solid surfaces could

• limiting cases have been proposed. For periodic alternating stripes with different wettability, it was shown that the maximal and minimal effective slip length can be attained when the stripe orientation is parallel or perpendicular to the streaming flow direction, respectively. Especially, when the stripe

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

• protect plants from environmental stress [4]. Waxes are, thereby, essential for a variety of functions, especially in the wettability and self-cleaning ability of plant surfaces [5][6]. Plant waxes consist of a complex mixture of aliphatic and aromatic compounds. The exact chemical composition of the wax

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

• photocatalytic properties. PDI-containing polymers, such as P15, normally confer smaller HERs than the others. P18, composed of strong electron-donating and bipyridine segments, rendered the best HER, which was attributed to its enhanced light absorption, better wettability, and more efficient charge separation

• units, among which the pyrene–pyrimidine-based P32 (Figure 4) with the lowest nitrogen content showed the highest HER. Nitrogen heterocycles within polymers could optimize wettability, bandgap, charge transport, and separation. Motivated by the planar configuration and strong electron-acceptor

• The benzothiadiazole (BT) moiety as a strong electron acceptor features high planarity and good wettability due to incorporating N and S atoms. In 2016, Wang and co-workers [65] investigated the properties of a linear conjugated polymer and a 3D counterpart by varying the substitution position on the

Paper-based triboelectric nanogenerators and their applications: a review

• Jing Han,
• Nuo Xu,
• Yuchen Liang,
• Mei Ding,
• Junyi Zhai,
• Qijun Sun and
• Zhong Lin Wang

Beilstein J. Nanotechnol. 2021, 12, 151–171, doi:10.3762/bjnano.12.12

• ., metal nanowires, conducting polymers, carbon nanotube (CNT) inks, multiwall carbon nanotube (MWCNT) inks, and reduced graphene oxide) [69][70][71][72][73][74][75][76][77][78][79][80][81][82], can be easily absorbed or used as a coating layer on the surface of the paper due to its wettability and

Analysis of catalyst surface wetting: the early stage of epitaxial germanium nanowire growth

• Owen C. Ernst,
• Felix Lange,
• David Uebel,
• Thomas Teubner and
• Torsten Boeck

Beilstein J. Nanotechnol. 2020, 11, 1371–1380, doi:10.3762/bjnano.11.121

• between a solid and a fluid from another compound. This approach shows results that are in a good approximation with the actual value of γSF. However, the wettability of a system is not directly predictable by the free energy itself, but by the slope of its function. Accordingly, this is given by the

Photothermally active nanoparticles as a promising tool for eliminating bacteria and biofilms

• Mykola Borzenkov,
• Piersandro Pallavicini,
• Angelo Taglietti,
• Laura D’Alfonso,
• Maddalena Collini and
• Giuseppe Chirico

Beilstein J. Nanotechnol. 2020, 11, 1134–1146, doi:10.3762/bjnano.11.98

• thiol monolayers, aiming to impart a different wettability to the surfaces [63]. It was verified that the photothermal features and the consequent hyperthermia-derived antibacterial effects were not affected by the thiol layers, which enable the eradication of at least 99.99% of the bacterial strains

Templating effect of single-layer graphene supported by an insulating substrate on the molecular orientation of lead phthalocyanine

• K. Priya Madhuri,
• Abhay A. Sagade,
• Pralay K. Santra and
• Neena S. John

Beilstein J. Nanotechnol. 2020, 11, 814–820, doi:10.3762/bjnano.11.66

• transparency disappears with an increasing number of graphene layers, and the wettability approaches that of graphite. The underlying support substrate is reported to even influence the chemical reactivity of a monolayer of graphene [15]. Most of the orientation studies of MPc on graphene deal with planar MPc

Preparation, characterization and photocatalytic performance of heterostructured CuO–ZnO-loaded composite nanofiber membranes

• Wei Fang,
• Liang Yu and
• Lan Xu

Beilstein J. Nanotechnol. 2020, 11, 631–650, doi:10.3762/bjnano.11.50

• crystals. In Figure 20b, the ratio between Cu and Zn is 1:1. Wetting properties of the CNFMs The influence of the CuO-ZnO heterostructures on the wettability of the CNFMs was investigated, and the morphologies and CA of CNFMs before and after heat treatment and hydrothermal growth are given in Figure 21

• . The results show that the wettability of the CNFMs changed from hydrophobicity to hydrophilicity after heat treatment and hydrothermal growth. The main reason is that hydrophilic CuO and ZnO grows on the surface of the nanofibers. The corresponding mechanism of hydrophilicity is illustrated in Figure

Soybean-derived blue photoluminescent carbon dots

• Shanshan Wang,
• Wei Sun,
• Dong-sheng Yang and
• Fuqian Yang

Beilstein J. Nanotechnol. 2020, 11, 606–619, doi:10.3762/bjnano.11.48

• to introduce N-surface-functional groups to carbon nanoparticles made from biomass and biowaste and to produce stable photoluminescent CDs with excellent water-wettability. Keywords: biomass; carbon dots; hydrothermal process; laser ablation; N-doping; photoluminescence; Introduction Carbon-based

• the surface N-functionalization of carbon nanoparticles derived from biomass and biowaste and for the production of carbon nanoparticles with stable PL characteristics and excellent water-wettability. Schematic of the setup for laser ablation in liquid. TEM images of soybean-derived nanoparticles: (a