Materials Literature
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The total number of different proteins present in Earth organisms is estimated to be up to 10 million. While their identification in terms of primary sequence is expanding at an increasing rate, elucidation of their function and structure is drastically lacking behind. Due to their large size, hydrolysis of proteins i…
Telah dilakukan sintesis sampel Bi2-xPbxSr2CaCu2O8+δ (x=0; 0.4) menggunakan metode pencampuran larutan dengan menggunakan waktu sintering yang relatif singkat. Hasil XRD menunjukkan bahwa sampel Bi 2212 dan BiPb 2212 merupakan fasa dominan yang terbentuk dari hasil sintesis. Hal ini menunjukkan bahwa superkonduktor be…
In this chapter wewill see that there is amultiplicity of effects which are important in determining the enhancement of fluorescence available from proximity of molecules or nanocrystals to metal nanostructures. The possibility of enhancing light absorption via the intense field generated by plasmon excitation at a fluore…
Magnetic nanoparticles (MNPs) have many applications in different areas of biology and medicine. MNPs are used for hyperthermia, magnetic resonance imaging, immunoassay, purification of biologic fluids, cell and molecular separation, tissue engineering [1-6]. The design of magnetically targeted nanosystems (MNSs) for…
Adhesive compositions on the base of polyolefins blends were first investigated and applied at the end of the last century [1-4]. In particular, it was shown that by mixing low-density polyethylene (high pressure, LDPE) and ethylene-vinyl acetate copolymers (EVA) in the presence of a mineral filler (talc) there is an…
Recently the application of nanostructured materials has garnered attention, due to their interesting chemical and physical properties. Application of nanostructured materials on the solid substrate such as fibers brings new properties to the final textile product [1]. Metal-organic frameworks (MOFs) are one of the mo…
In both plasticized (semi-rigid and flexible) PVC materials as well as PVC in solutions, the rate of their thermal degradation and effective stabilization are caused by essentially different fundamental phenomena in comparison to aging of PVC in absence of the solvent.
Abstract Direct carbon fuel cells (DCFCs) are very promising systems to provide electricity at medium term due to the more efficient utilization of carbon at high temperatures. In this work, the focus is on a DCFC operating with a SOFC system. Button cells with an anode layer for carbon conversion, based on gadolinia-…
Compressed hydrogen passes through a series of layered structures in which the layers can be viewed as distorted graphene sheets. The electronic structures of these layered structures can be understood by studying simple model systems---an ideal single hydrogen graphene sheet and three-dimensional model lattices consi…
The electric properties of rare earth compounds and alloys with As, Sb, Se, and Te are reported. Without exception, samples of Se and Te compounds with normally trivalent Nd, Gd, and Ce having synthetic compositions, MX and M/sub 3/X/ sub 4/, are n-type wrth free electron concentrations in the range 10/sup 20/ to 10 /…
triangular lattice gas is examined as a model for ordering of Li+ ions in intercalated transi~ tion metal dichalcogenides.A three~sublatt e Bragg~ Will ( approximation) calculation illustrates me the features in the incremental capacity versus concentration curves: (a) minima are associated structures, (b) sharp maxim…
Στη διπλωματική εργασία αυτή, γίνεται μια καταγραφή των φυσικών και χημικών ιδιοτήτων του τεχνητού αερίου εξαφθοριούχου θείου (SF6 ). Εξετάζονται οι ιδιότητές του και η χρησιμότητά του ως μονωτικό αέριο στην ηλεκτρική βιομηχανία. Συγκεκριμένα εξετάζεται η υπεροχή του εξαφθοριούχου θείου στους διακόπτες ισχύος, στις γρ…
This research investigated the tribological performance of a composite material, formed from an ultra high molecular weight polyethylene (UHMWPE) matrix and quasicrystalline Al-Cu-Fe alloy powders. An evaluation was conducted for the microstructure, material properties, and tribological performance of quasicrystalline…
Η καθαρή κυτταρίνη είναι ένα οργανικό πολυμερές της γλυκόζης,σε μεγάλη αφθονία στη φύση και χαμηλό κόστος.Το μεγάλο μειόνεκτημά της είναι ότι λόγω της στερεοχημικής της δομής είναι δύσκολο να επεξεργαστεί ενζυμικά.Για το λόγο αυτό για την πραγματοποίηση των πειραμάτων χρησιμοποιήθηκε παράγωγο κυτταρίνης και συγκεκριμέ…
The development of spin glass like state in a geometrically frustrated (GF) magnet is a matter of great debate. We investigated the effect of magnetic (Mn) and nonmagnetic (Ga) doping at the Cr site of the layered GF antiferromagnetic compound LiCrO2. 10% Ga doping at the Cr site does not invoke any metastability typi…
The purpose of this work is to establish the theoretical foundations for calculating and designing the sublimationcondensation processes in chemical apparatuses which are intended for production of ultrafine powders of crystalline and amorphous materials with controlled fractional composition. Theoretic analysis of th…
Two nondestructive and complementary spectral methods as infrared and Raman spectroscopies have been used for characterizations of poly(propylene amine) dendrimers comprising 1,8-naphthalimide units in the dendrimer periphery and their metal complexes with Cu 2+ at Zn 2+ ions.
Another year has passed and the graduate students
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Protein-carbohydrate interactions are a critical component of cellular structure and function. However, the inherent flexibility of biological carbohydrate polymers and the microheterogeneity resulting from their non-template-based biosynthesis complicate their study using experimental methods. Therefore, simulation a…