Search results

Search for passenger subjective letter native Bering Strait Alaska 20th century in Full Text gives 375 result(s) in Beilstein Journal of Nanotechnology. Showing first 200.

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

Graphical Abstract
  • is brought on by a high concentration of antibiotics that enter aquatic systems and interact with native species [47][60][61][62]. For instance, it may start to alter the genetic makeup and structure of the microbial community [47]. Antibiotic-resistant microbes (algae, fungi, and bacteria) pose a
PDF
Album
Review
Published 03 Mar 2023

Nanotechnology – a robust tool for fighting the challenges of drug resistance in non-small cell lung cancer

  • Filip Gorachinov,
  • Fatima Mraiche,
  • Diala Alhaj Moustafa,
  • Ola Hishari,
  • Yomna Ismail,
  • Jensa Joseph,
  • Maja Simonoska Crcarevska,
  • Marija Glavas Dodov,
  • Nikola Geskovski and
  • Katerina Goracinova

Beilstein J. Nanotechnol. 2023, 14, 240–261, doi:10.3762/bjnano.14.23

Graphical Abstract
  • considerations in the engineering of tumor-homing nanoparticles will be discussed below with an emphasis on increased lung tumor tissue localization. Current approaches for overcoming biological barriers and improved drug targeting Looking back at almost half a century of research on drug targeting, experimental
PDF
Album
Review
Published 22 Feb 2023

Frontiers of nanoelectronics: intrinsic Josephson effect and prospects of superconducting spintronics

  • Anatolie S. Sidorenko,
  • Horst Hahn and
  • Vladimir Krasnov

Beilstein J. Nanotechnol. 2023, 14, 79–82, doi:10.3762/bjnano.14.9

Graphical Abstract
  • : artificial neural networks; functional nanostructures; intrinsic Josephson effect; nanoelectronics; spintronics; The twenty-first century is marked by an explosive growth in the flow of information, which is necessary to process, archive, and transmit data through communication systems. For that purpose
PDF
Editorial
Published 10 Jan 2023

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

  • Alexander Vakhrushev,
  • Aleksey Fedotov,
  • Olesya Severyukhina and
  • Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

Graphical Abstract
  • considerable changes. In the graph of Figure 5, this time period is marked by the letter (a) and is shown in an enlarged form. The jumps in the spin temperature transformation at 0–3 ps correspond to an active rearrangement of the atomic spin directions, which were unstable in the initial state due to
PDF
Album
Full Research Paper
Published 04 Jan 2023

From a free electron gas to confined states: A mixed island of PTCDA and copper phthalocyanine on Ag(111)

  • Alfred J. Weymouth,
  • Emily Roche and
  • Franz J. Giessibl

Beilstein J. Nanotechnol. 2022, 13, 1572–1577, doi:10.3762/bjnano.13.131

Graphical Abstract
  • at submonolayer coverage, it forms islands under which the native Shockley state of the Ag(111) surface can no longer be found. Previous work has shown that this state shifts upwards to form a new interface state starting at 0.6 V above the Fermi level, having properties of a two-dimensional electron
  • [28]. Conclusion Both PTCDA and CuPc are archetypical molecules used to forward our understanding of acceptor–donor pairs on surfaces. In this letter, we presented an investigation of the PC phase with AFM, STM, dI/dV spectra, and dI/dV imaging, concentrating on the states above the Fermi level. From
PDF
Album
Supp Info
Letter
Published 22 Dec 2022

In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles

  • Mitzi J. Ramírez-Hernández,
  • Mario Valera-Zaragoza,
  • Omar Viñas-Bravo,
  • Ariana A. Huerta-Heredia,
  • Miguel A. Peña-Rico,
  • Erick A. Juarez-Arellano,
  • David Paniagua-Vega,
  • Eduardo Ramírez-Vargas and
  • Saúl Sánchez-Valdes

Beilstein J. Nanotechnol. 2022, 13, 1505–1519, doi:10.3762/bjnano.13.124

Graphical Abstract
  • letter number 56540 (Inorganic Crystal Structure Database, ICSD). This pattern corresponds to the crystallographic planes (111), (200), (220), (311), and (222) of the NaCl-type face-centered cubic crystal structure. According to the results, the pineapple peel extract (PPeel extract) is amorphous (i.e
PDF
Album
Full Research Paper
Published 13 Dec 2022

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

  • Vishal Dutta,
  • Ankush Chauhan,
  • Ritesh Verma,
  • C. Gopalkrishnan and
  • Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

Graphical Abstract
  • in the CB of SC I and the holes in the VB of SC II to keep their optimum and original redox potentials (Figure 6a). This method of electron transmission resembles the letter Z. As a result, the structure of this heterojunction is referred to as the direct Z-scheme [43][101]. Fu et al. [102
PDF
Album
Review
Published 11 Nov 2022

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

Graphical Abstract
  • nanostructure on the calamistrum in fact reduces adhesion of native spider silk and that this reduced adhesion can be mimicked by artificially structured polymer foils [14]. In order to technically integrate these antiadhesive structures, the structures have to be adapted as typical technical nanofibers differ
PDF
Album
Supp Info
Full Research Paper
Published 07 Nov 2022

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

  • Yinglin Ma,
  • Xiangyun Xiao and
  • Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

Graphical Abstract
  • cavity of native β-CD ranges from 0.60 to 0.65 nm and matches well with biphenyl or naphthalene groups, but not with methyl lactate, ethyl lactate, or 2-octanol. Conversely, β-CD with phenylcarbamate (Ph-β-CD) and 4-methoxyphenylcarbamate groups (MP-β-CD) possess smaller cavities and more rigid
PDF
Album
Review
Published 27 Oct 2022

Rapid fabrication of MgO@g-C3N4 heterojunctions for photocatalytic nitric oxide removal

  • Minh-Thuan Pham,
  • Duyen P. H. Tran,
  • Xuan-Thanh Bui and
  • Sheng-Jie You

Beilstein J. Nanotechnol. 2022, 13, 1141–1154, doi:10.3762/bjnano.13.96

Graphical Abstract
  • oxide with wide bandgap (3.5–5 eV), high availability, non-toxicity, low cost, and native structural defects [18][19]. The large bandgap energy is the limitation of MgO, reducing the photocatalytic performance and applicability of MgO [20]. Various efforts have been made to enhance the absorption in the
  • nm with an excitation wavelength (770 nm) in the visible range, which could be caused by the native structural defects in MgO [18]. 3% MgO@g-C3N4 shows intense fluorescence at 420 nm via excitation at 850 nm, due to the recombination of charge carriers. The photogenerated electrons from the valance
PDF
Album
Supp Info
Full Research Paper
Published 18 Oct 2022

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

Graphical Abstract
  • materials should be in the form of inorganic and organic composites. To mimic the inorganic portion, researchers have tried to utilize calcium phosphate materials due to their similarity to the native tissue. To mimic the organic portion of the bone, several materials including polymers, proteins, and
  • nanofibrous structures imitating the native extracellular matrix. The potential use of this membrane for tissue engineering applications was demonstrated by using rat bone marrow mesenchymal stem cells. The cell viability of the chitosan scaffolds with 0, 0.5, 1, 1.5, and 2% of graphene oxide content was
  • promising applications in bone tissue engineering [55]. 3D printing chitosan material for bone tissue engineering The 3D printing is an emerging technique used in tissue engineering, in which biomaterials are 3D printed to mimic the native tissue architecture. In bone tissue engineering and regenerative
PDF
Review
Published 29 Sep 2022

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

Graphical Abstract
  • phenomena of plant surfaces such as the splash behavior of liquids or the adhesion of insects under laboratory conditions [38][39]. In the past, long-chain hydrocarbons as well as native wax extract were recrytallized to mimic the native leaf structures and their associated properties [21][39][40][41][42
  • the biological model. The artificial surfaces imitating the leaves should have the same chemical and wetting properties as leaf surfaces. To prove these criteria, the chemical composition of the native and transferred wax extracts, the morphology of native and recrystallized wax crystals and the
  • wetting properties of native and artificial surfaces were analyzed. Such artificial surfaces allow for the study of biotic interactions, for example, pathogen interactions, but also non-biotic interactions such as the behavior of liquids and surfactants used in agricultural spraying applications. An
PDF
Supp Info
Full Research Paper
Published 13 Sep 2022

Bioselectivity of silk protein-based materials and their bio-inspired applications

  • Hendrik Bargel,
  • Vanessa T. Trossmann,
  • Christoph Sommer and
  • Thomas Scheibel

Beilstein J. Nanotechnol. 2022, 13, 902–921, doi:10.3762/bjnano.13.81

Graphical Abstract
  • interactions also include activation outside the cell (outside-in process) mediated by the cytosolic domains of the integrin α- and β-subunits. The recruitment of either leukocytes or platelets from the blood circulation are examples that require both signalling pathways [9]. Cells in their native tissue
  • from the development of sophisticated synthetic polymer systems [26][27], protein-based and bioinspired materials have nowadays an enormous impact [28][29]. Biomaterials based on native collagen, keratin, elastin, silk, and their recombinant, engineered counterparts become increasingly popular in
  • worldwide. Natural spider silk has the potential to be used for tissue engineering and biomedical applications. For instance, NIH 3T3 cells showed increased adhesion and proliferation on fabricated, sterilized wovens made of native, unmodified spider dragline silk fibres from Nephila clavipes over five days
PDF
Album
Review
Published 08 Sep 2022

DNA aptamer selection and construction of an aptasensor based on graphene FETs for Zika virus NS1 protein detection

  • Nathalie B. F. Almeida,
  • Thiago A. S. L. Sousa,
  • Viviane C. F. Santos,
  • Camila M. S. Lacerda,
  • Thais G. Silva,
  • Rafaella F. Q. Grenfell,
  • Flavio Plentz and
  • Antero S. R. Andrade

Beilstein J. Nanotechnol. 2022, 13, 873–881, doi:10.3762/bjnano.13.78

Graphical Abstract
  • HEK293 cells were purchased from The Native Antigen Company. Oligonucleotide library design The sequence of the 80mer library is described as follows: 5′-CTTCTGCCCGCCTCCTTCC-(39N)-GGAGACGAGATAGGCGGACACT-3′, where the central 39N represents random oligonucleotides based on equal incorporation of A, G, C
  • the reduction of the number of cycles necessary for the selection of high-affinity aptamers. As the molecules remain in solution during the separation process, there is no steric hindrance for aptamers binding to the target [26]. In addition, the native conformation of the protein targets is retained
PDF
Album
Supp Info
Full Research Paper
Published 02 Sep 2022

Micro-structures, nanomechanical properties and flight performance of three beetles with different folding ratios

  • Jiyu Sun,
  • Pengpeng Li,
  • Yongwei Yan,
  • Fa Song,
  • Nuo Xu and
  • Zhijun Zhang

Beilstein J. Nanotechnol. 2022, 13, 845–856, doi:10.3762/bjnano.13.75

Graphical Abstract
  • areas with well-developed forestry and thick trees und conditions native to a forest, feeding on the sap that flows from the surface of the bark. During the day, they mostly rest in shady and humid environments such as soil and move more in the evening hours [58][59]. Compared with the other two beetles
PDF
Album
Full Research Paper
Published 26 Aug 2022

Temperature and chemical effects on the interfacial energy between a Ga–In–Sn eutectic liquid alloy and nanoscopic asperities

  • Yujin Han,
  • Pierre-Marie Thebault,
  • Corentin Audes,
  • Xuelin Wang,
  • Haiwoong Park,
  • Jian-Zhong Jiang and
  • Arnaud Caron

Beilstein J. Nanotechnol. 2022, 13, 817–827, doi:10.3762/bjnano.13.72

Graphical Abstract
  • work are unexpected and require a thorough discussion. In the following, we also discuss the effect of tip chemistry and oxide growth on the interfacial energy of Ga–In–Sn. The measurements presented here were performed in air. Thus, a thin native oxide layer, which may have grown upon heating, likely
  • for 3 h, this general trend was preserved. Table 3 shows that after heating, the oxygen concentration at the surface of Ga–In–Sn eutectic liquid slightly decreased, that is, from 53.7 to 49.9 atom %. Moreover, the atomic fraction of gallium bound as native oxide increased from 23.2 to 27.0 atom
  • %, while the atomic fractions of tin and indium bound as oxides (SnO or SnO2, and In2O3) did not significantly change. Given the atomic concentrations in Table 3, the native mixed surface oxide of the Ga–In–Sn eutectic liquid consists of GaO2–Sn2O3–In2O3 or (Ga0.8Sn0.14In0.06)O2. After heating, this
PDF
Album
Full Research Paper
Published 23 Aug 2022

Hierachical epicuticular wax coverage on leaves of Deschampsia antarctica as a possible adaptation to severe environmental conditions

  • Elena V. Gorb,
  • Iryna A. Kozeretska and
  • Stanislav N. Gorb

Beilstein J. Nanotechnol. 2022, 13, 807–816, doi:10.3762/bjnano.13.71

Graphical Abstract
  • /bjnano.13.71 Abstract Using cryo scanning electron microscopy, the surface micromorphology of vegetative (leaf blade and ligule) and generative (pedicel and outer glume) organs in Deschampsia antarctica, one of the only two flowering plants native to Antarctica, was examined. Whereas the pedicel and
  • hierarchical structure of the wax coverage on both leaf surfaces is described in D. antarctica for the first time. Keywords: cryo-SEM; microstructure; plant; surface; wax projection; Introduction The Antarctic hair grass Deschampsia antarctica É. Desv. (Poaceae) is one of the only two flowering plants native
  • flowering plant species native to Antarctica, the Antarctic pearlworts Colobanthus quitensis Kunth Bartl. (Caryophyllaceae), which is rather rare and mainly relays on an avoidance strategy (i.e., it grows near higher clumps of D. antarctica or in hollows between stones avoiding direct influence of
PDF
Album
Full Research Paper
Published 22 Aug 2022

Direct measurement of surface photovoltage by AC bias Kelvin probe force microscopy

  • Masato Miyazaki,
  • Yasuhiro Sugawara and
  • Yan Jun Li

Beilstein J. Nanotechnol. 2022, 13, 712–720, doi:10.3762/bjnano.13.63

Graphical Abstract
  • . The tip was cleaned by Ar+ sputtering (0.8 keV, 5 × 10−7 Torr, 5 min) to remove the contaminants and the native oxide layer. We used a rutile TiO2(110) sample to demonstrate the AC-KPFM. TiO2 is one of the promising photocatalytic materials [38][39][40] and has been widely studied using AFM and KPFM
PDF
Album
Full Research Paper
Published 25 Jul 2022

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

Graphical Abstract
  • currently one of the most contagious viruses in existence and the cause of the worst pandemic in this century, COVID-19. SARS-CoV-2 infection begins with the recognition of the cellular receptor angiotensin converting enzyme-2 by its spike glycoprotein receptor-binding domain (RBD). Thus, the use of small
PDF
Album
Supp Info
Full Research Paper
Published 22 Jul 2022

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

Graphical Abstract
  • Apis mellifera L. bees, located inside a eucalyptus reserve, surrounded by native forest with predominance of Baccharis dracunculifolia (Asteraceae), in the northwest of Parana state. This research was registered in Brazil with SISGEN N° AC7A2F5. The different PRP extracts were prepared by turbo
PDF
Album
Supp Info
Full Research Paper
Published 08 Jun 2022

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

Graphical Abstract
  • , n = 3, bars with the same lowercase letter (a,b), (*,**), and (1,2) are not significantly different (p > 0.05)]. Inhibition values (%) of the: (A) collagenase and (B) elastase enzymes upon exposure to the EGCG solution, ETHs, and ETHGs. (Values are expressed as mean ± standard deviation, n = 3
PDF
Album
Full Research Paper
Published 31 May 2022

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

Graphical Abstract
  • Fluorescence detection is a powerful and effective tool for monitoring compounds with native fluorescence or labelled with an appropriate tag. For fluorescence-based detection, achieving high sensitivity via improving the signal-to-noise ratio is mandatory [104]. In order to increase the quantum yield and
PDF
Album
Review
Published 27 May 2022

Effect of sample treatment on the elastic modulus of locust cuticle obtained by nanoindentation

  • Chuchu Li,
  • Stanislav N. Gorb and
  • Hamed Rajabi

Beilstein J. Nanotechnol. 2022, 13, 404–410, doi:10.3762/bjnano.13.33

Graphical Abstract
  • influence the elastic modulus of native cuticle specimens tested in bending. In the light of our data, we suggest that changes of the elastic modulus of cuticle are not solely due to changes of the water content. Our results provide a platform for more accurate measurements of cuticle properties. Keywords
  • in their native state. The level of hydration of freshly dissected cuticle specimens is maintained by surrounding them with wet pieces of cotton. In this way, the specimens can absorb water from the wet cotton pieces without being overhydrated. Our results suggest that this is a more suitable method
  • tenfold of the stiffness of cuticle in the native state [16]. This is because water makes cuticle soft and compliant. A significant increase was also observed in the elastic modulus of our specimens after desiccation. The elastic modulus of the desiccated specimens was about twice that of the fresh
PDF
Album
Full Research Paper
Published 22 Apr 2022

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

Graphical Abstract
  • structures and functions to native cartilage. Nevertheless, despite the progresses made in biomaterial synthesis, scaffold fabrication, and development of growth factor delivery systems, TE has been unable to address OA disease using the routine methods. Recently, more attention has been paid to the
  • application of such stimuli pave the way for the application of new and promising sources for re-engineering of biomaterials. In this paper, the native structure of articular cartilage is briefly described due to the importance of understanding its complex structure before designing a suitable construct
  • for chondrogenic differentiation while PCL-based 3D printed scaffolds might be more appropriate for osteogenic differentiation [107]. The actual behavior of chondrocytes in a native microenvironment is a consequence of multiple factors, the interactions of which regulate the cell responses. Among
PDF
Album
Review
Published 11 Apr 2022

Alcohol-perturbed self-assembly of the tobacco mosaic virus coat protein

  • Ismael Abu-Baker and
  • Amy Szuchmacher Blum

Beilstein J. Nanotechnol. 2022, 13, 355–362, doi:10.3762/bjnano.13.30

Graphical Abstract
  • to work with virus-like particles composed of the viral capsid proteins without the viral genome. One of the most extensively studied viral templates is the tobacco mosaic virus [15]. The native virus forms helical rod-shaped particles composed of ca. 2130 copies of the coat protein. The particles
PDF
Album
Supp Info
Full Research Paper
Published 01 Apr 2022
Other Beilstein-Institut Open Science Activities