Materials Literature
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We have recently reported initial results concerning an original approach to introduce additional properties into fibrillar proteins produced by live fibroblasts and extruded into the ECM. The key to such an approach was biocompatible, fluorescent and semiconducting synthetic molecules which penetrated spontaneously t…
TiO2–Ag hetero-nanocrystals (HNCs) with controllable Ag particle numbers and domain size were synthesized by in situ reduction of silver acetate and further growth of Ag on TiO2 nanorods. The nucleation of Ag on TiO2 as well as the tuning of Ag number and size can be explained by the electrostatic attraction between A…
Systematic explorations of new compounds in the divalent transition metal–vanadium(V)–iodate system by hydrothermal reactions led to three quinary mixed metal iodates, namely, K4TM4(V2O7)2(IO3)4(H2O) (TM = Zn, Ni, Co). They represent the first examples of quinary mixed metal vanadium iodates. The structures of K4TM4(V…
The accumulation of corrosive and radioactive wastes in the primary system, including nuclear fuel assembly, significantly increases workers’ exposure to radiation. Zinc injection from 5 to 40 ppb into the Reactor Coolant System (RCS) of Pressurized Water Reactors (PWRs) has been known as an effective method to decrea…
0-, 1- and 2-dimensional nanocrystals of different vanadium oxides were synthesized using hydrothermal reaction of commercial bulk monoclinic VO2 and V2O3 precursor, which, depending on reaction conditions, produced nanoparticles, nanoribbons and nanosheets of different vanadium oxides. Addition of acetone was used to…
The understanding of the cooperativity and heterogeneity in various kinds of glass forming liquids is a hot topic. In the present paper, the relationship between the cooperativity and the fragility has been studied based on the bond strength- coordination number fluctuation model. The model describes the temperature d…
Two gold based catalysts supported on ceria prepared by different methods (urea gelation coprecipitation, UGC, and coprecipitation, CP) have been synthesized and tested in the WGS reaction, showing quite different catalytic behaviors. Interestingly, the two catalysts have the same gold loading (3 wt% Au was inserted b…
Aluminum alloys exhibit an attractive combination of mechanical and physical properties such as high stiffness and low density, which favors their utilization in many structural applications. Thus, increasing the structural applications of aluminum alloy is the driving force for the need to adequately understand its d…
A straightforward method for the preparation of hybrid bioorganic-inorganic materials is reported. Common strategies to synthesize such promising materials require special surface modifications of silica followed by grafting of the organic moiety via chemoselective ligation. In this context, we set up a general and bo…
Optogenetic tools were originally designed to target specific neurons for remote control of their activity by light and have largely been built around opsin-based channels and pumps. These naturally photosensitive opsins are microbial in origin and are unable to mimic the properties of native neuronal receptors and ch…
BACKGROUND: Nanotechnology plays a remarkable role in the field of the treatment of Lymphomas associated with tumor. OBJECTIVE: The purpose of this study is to determine and to compare the tumor uptake, biodistribution and pharmacokinetics of radiolabeled etoposide and etoposide loaded nanoparticles in Dalton's Lympho…
Mesoporous non-silicate oxides (MNSOs), with well-defined organization on the 2–50 nm size scale, may play a pivotal role in advancing vital disciplines such as catalysis, energy conversion and biotechnology. The vast majority of known MNSOs have a pore size less than 16 nm due to the limited dimensions of the organic…
High quality CdS nanocrystals emitting from 412 to 458 nm were synthesized by a simple one-pot noninjection microwave irradiation route using low-cost, air-stable CdO, S powder, 1-octadecene and oleic acid as the starting materials under air atmosphere. With simple variation of the reaction recipe (growth temperature…
We report design, synthesis and evaluation of push-pull quaterthiophene amphiphiles containing one 3,4-ethylenedioxythiophene (EDOT) and a single strong twist in the scaffold. Planarizable push-pull oligothiophene amphiphiles have been introduced recently as conceptually innovative fluorescent probes that sense the fl…
Truncated pyramid-shaped Ni nanocrystals were epitaxially grown on SrTiO(3)(001) surfaces and characterised by scanning tunneling microscopy (STM). These nanocrystals were shown to be catalytically active for the synthesis of carbon nanotubes (CNTs). The narrow size distribution of the Ni nanocrystals results in a sim…
We report the first example of a conducting polymer with a merocyanine incorporated into the polymer backbone by electropolymerisation of a spiropyran moiety covalently linked between two alkoxythiophene units. Utilising the known metal coordination capabilities of merocyanines, introduction of cobalt ions into the el…
The thermal induced on-surface chemistry of large polycyclic aromatic hydrocarbons (PAHs) deposited on dielectric substrates is very rich and complex. We evidence temperature-assisted (cyclo)dehydrogenation reactions for C60H30 molecules and the subsequent bottom-up formation of assembled nanostructures, such as nanod…
While theoretical and numerical studies have shown the possibility of obtaining long-range ordering from the self-assembly of A–B binary mixed brushes similar to diblock copolymer thin films, such ordered patterns are not currently obtainable experimentally. In addition, most experimental observations of mixed brushes…
A novel method for synthesis of Barium Strontium Titanate (BST) films with a high degree of texture is developed with a two-step hydrothermal reaction and without the need for costly equipment. The dielectric constant and ferroelectric properties of the film can be tuned by varying the Ba : Sr molar ratio of the mater…
A novel bilayer structure of ZnO nanorods (ZNRs)/nanodiamond films (NDFs) is developed on glass substrates for applications in ultraviolet (UV) photodetectors (PDs). NDFs are first grown by microwave plasma chemical vapor deposition, and are then deposited with a ZnO seed layer and Au interdigitated electrodes through…