Materials Literature
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Large quantities of radiopharmaceuticals prescribed for treatment and diagnosis are excreted through kidney. Therefore, radiation unwanted dose is created in kidney. As a result, exact calculation of prescribed radiopharmaceuticals amount is important. Monte Carlo method is used for simulation of radiation transport i…
Titanium (Ti) and its alloys are currently popularly used for dental and orthopedic implants, due to their merits, including corrosion resistance, mechanical properties, chemical stability and biocompatibility. Accumulated studies have also demonstrated that osseointegration of the Ti-based implants...
In this paper, two AIE-active luminogens (Oxa-pTPE and Oxa-mTPE) constructed from tetraphenylethene and oxadiazole units were successfully synthesized and their thermal, optical and electronic properties were investigated. By linking TPE to the oxadiazole core through meta-or para-position, the intramolecular conjugat…
n industry today, polymer is an important substance that been used since it has versatile characteristics, easy to process and low cost of production. However some mechanical properties such as strength and hardness are low. Therefore, in order to change the mechanical properties, the polymer had been modified by usin…
The continuous progress in miniaturization and integration of semiconductor devices have led to increasing heat generated from unit volume in the chip. Consequently, more efficient thermal management on chip and package level is required because the reliability of electronic equipment strongly decreasing with rising t…
Polyelectrolyte PTPEPyH, containing tetraphenylethene (TPE) and pyridinium, was synthesized. Its optical properties were investigated with spectroscopies and the results showed that there were two emission-enhanced stages in the interaction between positive-charged PTPEPyH and negative-charged biomacromolecule heparin…
A sulfonated 9,10-distyrylanthracene derivative with aggregation-induced emission (AIE) property is designed and synthesized. It shows a highly sensitive and selective fluorescence enhancement property for bovine serum albumin (BSA) protein detection and quantification. Analysis on the interaction between the probe mo…
The use of hot dip galvanized steel (HDGS) has been recognized as one effective measure to increase the service life of reinforced concrete structures exposed to carbonation or to chlorides ions. Immediately after concreting, with the hydration of the fresh concrete, passivating surface layers made of calcium hydroxyz…
Some marine species, such as mussels, can strongly attach themselves to rocks in the diffficult conditions of the sea. In fact, marine mussels secrete adhesive proteins that show a high adhesion to both inorganic and organic surfaces in aqueous environments. These proteins have an amino acid designated as 3,4-dihydrox…
New analogues of green fluorescent protein (GFP) chromophore mGFP-Cn (n = 1, 3, 5, 11) with alkyl chains of different lengths in the imidazolinone rings were synthesized and their crystal structures were determined. These GFP-like chromophores are all emissive in the solid state. And the solid-state emission quantum y…
This research is focusing on the experimental study of compatibility between Corrosion Inhibitor (CI) and Biocide that include its behavior towards each other. The corrosion research involves experimental analysis and testing to provide information about the reasons for mechanisms in corrosion process and the determin…
Trabajo presentado en EuropaCat: 11th European Congress on Catalysis, celebrado en Lyon (Francia) del 1 al 6 de septiembre de 2013.
The thesis discusses the mold design for highly filled polymer melts, with a special emphasis on powder injection molding (PIM) compounds, which substantially differs from mold design requirements applied to conventional thermoplastic injection molding. First part of the Thesis is devoted to a phase separation during…
International audience
polyester형 polyurethane foam은 낮은 내가수분해성을 가지므로 quasi prepolymer법에 의한 acrylic polyol을 사용함으로써 극복될 수 있다. acrylic polyol을 함유한 polyurethane foam은 acrylic polyol 함량이 증가함에 따라 인장강도와 경도가 증가하였다. 하지만 split 인열강도와 인열강도는 약간씩 변화되었다. polyurethane foam의 내가수분해성은 인장강도의 손실 백분율로 측정하였으며 acrylic polyol 함량이 25.5g에서 102g으로 증가함에 따라 향상되었다.
Polyhydroxyalkanoates (PHA) is a potential biodegradable polymer which can be used to replace a petrochemical synthetic polymer. PHA is synthesised when bacteria are exposed to a surplus of carbon and limited nitrogen. Under these con- ditions, cells are unable to grow but they do accumulate carbon-based polyesters. T…
Abstract : Accurately, quickly, and cheaply simulating a gun launch to detect mechanical faults in projectiles is a challenge in the Weapons and Materials Research Directorate s Lethality Division. Currently, the most accurate method is to machine the rounds, fire them, and record the structural failures of the round.…
Trabajo presentado en EuropaCat: 11th European Congress on Catalysis, celebrado en Lyon (Francia) del 1 al 6 de septiembre de 2013.
A novel interface engineering strategy is proposed to simultaneously achieve superior irradiation tolerance, high strength, and high thermal stability in bulk nanolayered composites of a model face-centered-cubic (Cu)/body-centered-cubic (Nb) system. By synthesizing bulk nanolayered Cu-Nb composites containing interfa…
Se investigó el efecto de la temperatura de deposición en los parámetros estructurales y de transición de la fase metal–aislante en películas delgadas de VO2, producidas mediante la técnica de Erosión Iónica en atmósfera reactiva. Las muestras fueron producidas como monocapas y depositadas a distintas temperaturas sob…