Reconstitution of the membrane protein OmpF into biomimetic block copolymer–phospholipid hybrid membranes

• Matthias Bieligmeyer,
• Franjo Artukovic,
• Stephan Nussberger,
• Thomas Hirth,
• Thomas Schiestel and
• Michaela Müller

Beilstein J. Nanotechnol. 2016, 7, 881–892, doi:10.3762/bjnano.7.80

• stability and the inherent biofunctionality of polymeric and lipidic membranes, respectively [39][40]. Until now, most studies focused on the conditions influencing the appearance of lipopolymer assemblies, such as temperature or composition details [41][42][43][44]. Also the influence of additives, e.g

Facile synthesis of water-soluble carbon nano-onions under alkaline conditions

• Gaber Hashem Gaber Ahmed,
• Rosana Badía Laíño,
• Josefa Angela García Calzón and
• Marta Elena Díaz García

Beilstein J. Nanotechnol. 2016, 7, 758–766, doi:10.3762/bjnano.7.67

• attracted attention for batteries and supercapacitors, as active materials and/or dispersible conductive additives [12][13]. Usually C-onions are obtained by using sophisticated technologies, such as vacuum annealing of nano-diamond precursors [14][15], nano-diamond annealing in inert gases [16], arc

Tight junction between endothelial cells: the interaction between nanoparticles and blood vessels

• Yue Zhang and
• Wan-Xi Yang

Beilstein J. Nanotechnol. 2016, 7, 675–684, doi:10.3762/bjnano.7.60

• Yue Zhang Wan-Xi Yang The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou 310058, PR China 10.3762/bjnano.7.60 Abstract Since nanoparticles are now widely applied as food additives, in cosmetics and other industries, especially in medical therapy and diagnosis, we ask

• easily find them in, e.g., cosmetics [1], food additives [2], industrial process [3] and, especially, in medical therapy [4] and diagnostics [5]. In light of medical therapy, NPs have shown their extraordinary potential in cancer chemotherapeutics [6] and drug delivery systems [7], which successfully

• different fields, e.g., cosmetics, food additives, industry, medical therapy and diagnosis. While nanoparticles are becoming novel and popular materials in numerous scientific areas, their potential side effects are still not clear. Among those potential damages they may cause to the human body, the two

Antibacterial activity of silver nanoparticles obtained by pulsed laser ablation in pure water and in chloride solution

• Brunella Perito,
• Emilia Giorgetti,
• Paolo Marsili and
• Maurizio Muniz-Miranda

Beilstein J. Nanotechnol. 2016, 7, 465–473, doi:10.3762/bjnano.7.40

• cultures are reported in Table 3 for ns-ablated AgNPs. E. coli cultures tested with AgNPsH2Ons (18.4 μg/mL) and AgNPsLiClns (3.7 μg/mL) did not show any increase of optical density at any monitored time, while E. coli cultures without additives showed an optical density increase starting from 2 h, until

Electrochemical coating of dental implants with anodic porous titania for enhanced osteointegration

• Amirreza Shayganpour,
• Alberto Rebaudi,
• Pierpaolo Cortella,
• Alberto Diaspro and
• Marco Salerno

Beilstein J. Nanotechnol. 2015, 6, 2183–2192, doi:10.3762/bjnano.6.224

• the anodization in the presence of electrolyte additives such as magnesium, these can be incorporated into the porous coating. The proposed method for the surface nanostructuring of biomedical implants should allow for integration of conventional microscale treatments such as sandblasting with

An ISA-TAB-Nano based data collection framework to support data-driven modelling of nanotoxicology

• Richard L. Marchese Robinson,
• Mark T. D. Cronin,
• Andrea-Nicole Richarz and
• Robert Rallo

Beilstein J. Nanotechnol. 2015, 6, 1978–1999, doi:10.3762/bjnano.6.202

• ) study might be determined via comparing the “Factor Value [medium]” and “Factor Value [exposure medium]” entries in the physicochemical and in vitro (cell-based) Study files, respectively. However, details regarding possible suspension medium additives – such as serum and dispersant aids [78] – would

Metal hydrides: an innovative and challenging conversion reaction anode for lithium-ion batteries

• Luc Aymard,
• Yassine Oumellal and
• Jean-Pierre Bonnet

Beilstein J. Nanotechnol. 2015, 6, 1821–1839, doi:10.3762/bjnano.6.186

• /Li discharge–charge curves are shown in Figure 20. It appears there that high reversible capacities are preserved independently of the amount of active material additives in the electrode. Indeed, reversible capacities of 1700 mA·h·g−1, 1800 mA·h·g−1 and 1900 mA·h·g−1 are obtained for the MgH2–18% Ct

Nanotechnology in the real world: Redeveloping the nanomaterial consumer products inventory

• Marina E. Vance,
• Todd Kuiken,
• Eric P. Vejerano,
• Sean P. McGinnis,
• Michael F. Hochella Jr.,
• David Rejeski and
• Matthew S. Hull

Beilstein J. Nanotechnol. 2015, 6, 1769–1780, doi:10.3762/bjnano.6.181

• ) [14]. When used as food additives, drugs, or cosmetics, nanomaterials are regulated under the Federal Food, Drug, and Cosmetic Act (FFDCA). In the European Union, nanomaterials are regulated under the Concerning the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) and the

• compositions, silver is also the most frequently advertised nanomaterial component, with 207 products or 14.5% [11]. Silver nanoparticles are popular consumer product additives due to their well-documented antimicrobial properties [22]. Figure 3 shows how the availability of these major nanomaterial

• nanomaterial composition has been listed with other compositions in the same product. Locations of nanomaterials in consumer products for which a nanomaterial composition has been identified. Expected benefits of incorporating nanomaterial additives into consumer products. Potential exposure pathways from the

Heterometal nanoparticles from Ru-based molecular clusters covalently anchored onto functionalized carbon nanotubes and nanofibers

• Deborah Vidick,
• Xiaoxing Ke,
• Michel Devillers,
• Claude Poleunis,
• Arnaud Delcorte,
• Pietro Moggi,
• Gustaaf Van Tendeloo and
• Sophie Hermans

Beilstein J. Nanotechnol. 2015, 6, 1287–1297, doi:10.3762/bjnano.6.133

• the presence of additives, binders, etc. Results and Discussion Cluster anchoring Phosphine-functionalized carbon nanofibers and nanotubes were prepared in several steps, as previously reported [38] and shown in Figure 1. We have also successfully applied this methodology to ordered mesoporous carbon

Improved optical limiting performance of laser-ablation-generated metal nanoparticles due to silica-microsphere-induced local field enhancement

• Zheren Du,
• Lianwei Chen,
• Tsung-Sheng Kao,
• Mengxue Wu and
• Minghui Hong

Beilstein J. Nanotechnol. 2015, 6, 1199–1204, doi:10.3762/bjnano.6.122

• complicated and uses toxic materials. The chemically synthesized nanoparticles are easily contaminated by chemical precursors, additives or byproducts. LAL has many advantages, such as the simple, safe, and high purity properties of the generated nanoparticles, the variety of the target materials capable of

From lithium to sodium: cell chemistry of room temperature sodium–air and sodium–sulfur batteries

• Philipp Adelhelm,
• Pascal Hartmann,
• Conrad L. Bender,
• Martin Busche,
• Christine Eufinger and
• Juergen Janek

Beilstein J. Nanotechnol. 2015, 6, 1016–1055, doi:10.3762/bjnano.6.105

• . 2.3.1.8 Electrolyte additives: The electrochemical activity of Li2O2 itself is quite poor without doubt, especially for the charge process (OER). Hence catalysis is necessary especially when aiming for experimental current densities. The results of heterogeneous catalysts until now did not fulfill the

• Lopez et al. reported on hexacarboxamide cryptands that are capable of incorporation of peroxide dianions in solution [100]. As these approaches are quite new, several questions such as long term functionality and stability of the molecular additives in an Li/O2 battery need to be investigated

• with oxygen in 2010 [26]. The cell was adopted from a fuel cell design and consisted of a molten sodium electrode, a polyglyme/PC (90:10) based electrolyte with different additives and a Pt containing carbon electrode. The cell operated at 105–110 °C. The high temperature concept with molten anode was

Multiscale modeling of lithium ion batteries: thermal aspects

• Arnulf Latz and
• Jochen Zausch

Beilstein J. Nanotechnol. 2015, 6, 987–1007, doi:10.3762/bjnano.6.102

• under high voltages and chemical compatible with the chosen electrode materials. Thus, additives are used in order to enhance the ionic conductivity and to improve the chemical compatibility. Also the properties of the solid electrolyte interphase (SEI) on the negative electrodes, which is essential for

Simulation tool for assessing the release and environmental distribution of nanomaterials

• Haoyang Haven Liu,
• Muhammad Bilal,
• Anastasiya Lazareva,
• Arturo Keller and
• Yoram Cohen

Beilstein J. Nanotechnol. 2015, 6, 938–951, doi:10.3762/bjnano.6.97

• ENM concentrations (use case #6), can be accomplished as described in the example of simulations of CeO2 environmental distribution in Newcastle (UK). In this example, the release rate of CeO2 ENMs from fuel additives in Newcastle was estimated based on matching reported atmospheric concentrations

Morphology control of zinc oxide films via polysaccharide-mediated, low temperature, chemical bath deposition

• Florian Waltz,
• Hans-Christoph Schwarz,
• Andreas M. Schneider,
• Stefanie Eiden and
• Peter Behrens

Beilstein J. Nanotechnol. 2015, 6, 799–808, doi:10.3762/bjnano.6.83

• nucleation sites on the finer-structured and denser support. The fully processed ZnO films deposited under the influence of HYA show significantly lower film sheet resistance and specific resistance as compared with ZnO films prepared without additives. These lower specific resistances are most probably a

Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

• Shawn Sanctis,
• Rudolf C. Hoffmann,
• Sabine Eiben and
• Jörg J. Schneider

Beilstein J. Nanotechnol. 2015, 6, 785–791, doi:10.3762/bjnano.6.81

• other polymeric additives [20]. Additionally, a defined amount of tetraethylammonium hydroxide (TEAOH) was added to the precursor solution to create a mild basic environment which assists the controlled formation of the ZnO nanoparticles. The addition of the optimal amount of the base TEAOH provides

Nanoparticle shapes by using Wulff constructions and first-principles calculations

• Georgios D. Barmparis,
• Zbigniew Lodziana,
• Nuria Lopez and
• Ioannis N. Remediakis

Beilstein J. Nanotechnol. 2015, 6, 361–368, doi:10.3762/bjnano.6.35

• daily basis. Nowadays, nanoparticles can be found in sensors, especially with biomedical interest, as agents to induce the death of cancer cells, as drug delivery vehicles, in emerging energy technologies, either in harvesting or for storage, as additives for fuels, in optics, and as part of smart

Caveolin-1 and CDC42 mediated endocytosis of silica-coated iron oxide nanoparticles in HeLa cells

• Nils Bohmer and
• Andreas Jordan

Beilstein J. Nanotechnol. 2015, 6, 167–176, doi:10.3762/bjnano.6.16

• two times with prewarmed cell culture medium with all additives. Preliminary tests had shown, that full medium at 37 °C removed extracellular adhered nanoparticles very effective compared to PBS and medium without additives. To remove the contaminative iron, cells were rinsed thoroughly with full

Synthesis of boron nitride nanotubes and their applications

• Saban Kalay,
• Zehra Yilmaz,
• Ozlem Sen,
• Melis Emanet,
• Emine Kazanc and
• Mustafa Çulha

Beilstein J. Nanotechnol. 2015, 6, 84–102, doi:10.3762/bjnano.6.9

• ]. This makes BNNTs useful additives to increase stability against the oxidation of surfaces [4]. Due to their highly hydrophobic character, BNNTs were also used to prepare super hydrophobic surfaces [8][9]. A hydrophobic surface was prepared by the synthesis of BNNTs on the surface of a stainless steel

• biomaterials was investigated. In one study, the BNNTs were used in polylactide-polycaprolactone (PLC) copolymer as additives to improve the properties of the polymer as an orthopedic implant [75]. With the addition of BNNTs, a 1370% increase in the mechanical strength of the polymer was observed. The reason

Synthesis and characterization of fluorescence-labelled silica core-shell and noble metal-decorated ceria nanoparticles

• Rudolf Herrmann,
• Markus Rennhak and
• Armin Reller

Beilstein J. Nanotechnol. 2014, 5, 2413–2423, doi:10.3762/bjnano.5.251

• case the ζ-potentials of the particles have lower absolute values but maintain their sign [58]. What still encouraged us was an analogous reduction of PdCl2 with borohydride in the presence of ceria NP without additives that resulted in a reasonable palladium load [55]. It turned out that the

Functionalized polystyrene nanoparticles as a platform for studying bio–nano interactions

• Cornelia Loos,
• Tatiana Syrovets,
• Anna Musyanovych,
• Volker Mailänder,
• Katharina Landfester,
• G. Ulrich Nienhaus and
• Thomas Simmet

Beilstein J. Nanotechnol. 2014, 5, 2403–2412, doi:10.3762/bjnano.5.250

• for industrial usage, fuel additives for catalysis, additives in sunscreens for UV protection, or in the textile industry. One of the most promising fields of nanotechnology is drug delivery and drug targeting. Hydrophobic drugs are poorly soluble in biological media, other drugs lack gastric acid

Liquid-phase exfoliated graphene: functionalization, characterization, and applications

• Mildred Quintana,
• Jesús Iván Tapia and
• Maurizio Prato

Beilstein J. Nanotechnol. 2014, 5, 2328–2338, doi:10.3762/bjnano.5.242

• with different physical and chemical properties. This flexibility allows the incorporation of additives such as surfactants [8], antioxidants [9], and polymers [10] during the ultrasonication process, while increasing the affinity for the solvent, the quality of the resulting graphene layers, or their

Biopolymer colloids for controlling and templating inorganic synthesis

• Laura C. Preiss,
• Katharina Landfester and
• Rafael Muñoz-Espí

Beilstein J. Nanotechnol. 2014, 5, 2129–2138, doi:10.3762/bjnano.5.222

• , biopolymers have also been used as controlling agents or additives in the precipitation/crystallization of other inorganic systems, such as ZnO [34], metal particles [13], silica [35], or Fe2O3 [15]. To investigate the effects of proteins in mineralization, synthetic oligopeptides with sequences of defined

Electrostatic interplay: The interaction triangle of polyamines, silicic acid, and phosphate studied through turbidity measurements, silicomolybdic acid test, and ²⁹Si NMR spectroscopy

• Anne Jantschke,
• Katrin Spinde and
• Eike Brunner

Beilstein J. Nanotechnol. 2014, 5, 2026–2035, doi:10.3762/bjnano.5.211

• solutions containing additives such as polyallylamine, allylamine and others in the presence/absence of phosphate were investigated. The analyses are based mainly on turbidity measurements yielding information about the early aggregation steps which finally give rise to the formation and precipitation of

• processes. In order to further substantiate this effect, a series of diamines with different degree of methylation was studied, the compounds and their charge state are described in Table 1. The absorbance of sodium metasilicate solutions containing these additives are displayed in Figure 6. The solution

• observation again emphasizes the need to use polymeric additives such as PAH in order to obtain an enhanced aggregation in silicic acid containing solutions. Conclusion The self-assembly processes taking place in sodium metasilicate solutions containing polyamines as well as monomeric amine compounds were

Rapid degradation of zinc oxide nanoparticles by phosphate ions

• Rudolf Herrmann,
• F. Javier García-García and
• Armin Reller

Beilstein J. Nanotechnol. 2014, 5, 2007–2015, doi:10.3762/bjnano.5.209

• solubility of tertiary zinc phosphate (solubility product for Zn3(PO4)2: ca. 10−34 (mol/L)5 [4]. However, it is often necessary to ensure tight coatings by additives [5]. The reactivity of bulk zinc oxide with phosphate ions has formerly been studied mainly from a geological point of view (alkaline solution

Carbon nano-onions (multi-layer fullerenes): chemistry and applications

• Juergen Bartelmess and
• Silvia Giordani

Beilstein J. Nanotechnol. 2014, 5, 1980–1998, doi:10.3762/bjnano.5.207

• electrode materials in capacitors, as anode materials in lithium-ion batteries, as catalyst support in fuel cells. They have even attracted the interest of NASA researchers for their tribological properties as additives for aerospace applications. Despite much interest in different carbon-based nano