cell based processing and functionalization of materials
synthesis and characterisation of materials based on inorganic
... The presence of the added water increases the intensity of the bands at about 3500 and 1650 cm 21 (b) Major disruption of the Al environment is indicated by the loss of the Si–O–Al band at 810 ... presence of monovalent cations such as Na or K Some of the details of polysialate formation and technology are still not fully understood The purpose of this work is to elucidate aspects of the ... consisting of randomly developed Al– Si polyhedra with a lack of periodically repeating atomic ordering A selection of 11.7 T solid-state MAS NMR spectra of the starting material (metakaolinite) and...
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The Retinoblastoma Gene Family in Cell Cycle Regulation and Suppression of Tumorigenesis
... cell- cell contact, serum deprivation and p16INK4A over-expression, p130 and E2F4 can be found on the promoters of a common set of genes Surprisingly, most of these genes are not involved in cell ... down-regulation of cyclin/Cdk activity and inhibition of pRb phosphorylation (Ruas and Peters 1998; Sherr and Roberts 1999; Sherr 2001) Sequestration of active E2Fs subsequently results in repression of E2F ... transition of a normal cell into a cancer cell Inactivation of pRb has been found in many tumor types in humans, including hereditary retinoblastoma and sporadic breast, bladder, prostate and small cell...
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Tài liệu Báo cáo khoa học: The localization of FGFR3 mutations causing thanatophoric dysplasia type I differentially affects phosphorylation, processing and ubiquitylation of the receptor pptx
... serum and antibiotics These cells rather than HEK293 cells were used as they attach more tightly to plastic surfaces The patterns of expression and post-translational processing of wild-type and ... ATDC5 cells Fig Immunoblot analysis of different FGFR3 mutations causing TDI in transiently transfected 293-VnR and ATDC5 cells (A) 293-VnR cells were transfected for 24 or 48 h and total cell ... transfection of 293-VnR cells After 24 h, both the 105 and 115 kDa isoforms were heavily phosphorylated in the absence of ligand Phosphorylation decreased after 48 h (C) Constitutive phosphorylation of...
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Báo cáo khoa học: Cell biology, regulation and inhibition of b-secretase (BACE-1) potx
... Biology and chemistry of b-secretase (BACE-1) C E Hunt and A J Turner A B Fig Processing of APP to form Ab peptides (A) Schematic diagram of the alternative processing pathways of APP The ... full details) (B) Sites of cleavage of APP by b- and c-secretases to form Ab peptides The sites of the juxtamembrane and intramembrane cleavages of transmembrane APP by b- and c-secretases, respectively, ... overexpression of soluble BACE-1 resulted in a dramatic increase in the production of Ab, and so membrane anchorage in the vicinity of its substrate is not essential Expression and localization of BACE...
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Mechanics and strength of materials vitor dias da silva
... Mechanics and Strength of Materials Vitor Dias da Silva Mechanics and Strength of Materials ABC Vitor Dias da Silva Department of Civil Engineering Faculty of Science & Technology University of Coimbra ... Mechanics of Materials I Introduction I.1 General Considerations Materials are of a discrete nature, since they are made of atoms and molecules, in the case of liquids and gases, or, in the case of ... awareness of the lack of a treatise, written in European Portuguese, which contains the theoretical material taught in the disciplines of the Mechanics of Solid Materials and the Strength of Materials, ...
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Báo cáo khoa học: Systems biology: model based evaluation and comparison of potential explanations for given biological data pot
... themselves, and the variation is given by the number of times the data points appear Another type of bootstrap is based on a model M1, and on analysis of the corresponding residuals In such residual -based ... The number of runs Ru is defined as the number of sign changes in the sequence of residuals, and it is compared to the expected number of runs, N/2 (because it is assumed that the mean of the uncorrelated ... modeling is often used to achieve a characterization of which of these mechanisms that are significantly active, and independently important, and which mechanisms are present but not significantly and/ or...
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Mechanics and strength of materials (malestrom)
... Mechanics of Materials I Introduction I.1 General Considerations Materials are of a discrete nature, since they are made of atoms and molecules, in the case of liquids and gases, or, in the case of ... awareness of the lack of a treatise, written in European Portuguese, which contains the theoretical material taught in the disciplines of the Mechanics of Solid Materials and the Strength of Materials, ... theoretical texts and exercises prepared and improved on by the author between 1989-94, for the disciplines of Applied Mechanics II (Introduction to the Mechanics of Materials) and Strength of Materials, ...
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processing and properties of nanocomposites, 2007, p.463
... fiber composites and use of nano particles in them in terms of benefits and property enhancement in addition to processing of such materials Chapter discusses in detail the rheology of suspensions ... Processing and Properties of NAN0C0MP0S1TES Processing and Properties of AN0C0MP0S uresh G Advani University of Delaware, USA \fc world Scientific JEW ... physical and mechanical properties of very small objects within them Natural materials such as bone, tooth, and nacre are very good examples of the successful implementation of this concept, offering...
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RECENT TRENDS IN PROCESSING AND DEGRADATION OF ALUMINIUM ALLOYS_1 docx
... examination of microstructure of aluminium and its alloys is one of the principal means to evaluate the evolution of phases in the materials and final products in order to determine the effect of chemical ... applications and also in novel materials production 10 Recent Trends in Processing and Degradation of Aluminium Alloys Fig Cross-section of a countergravity cast rod showing the absence of volumetric ... AlSi5Cu1Mg and AlCu4Ni2Mg2 Aluminium Alloys in As-Cast and T6 Condition Grażyna Mrówka-Nowotnik Rzeszów University of Technology, Department of Materials Science Poland Introduction Cast Al-Si-Cu-Mg and...
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RECENT TRENDS IN PROCESSING AND DEGRADATION OF ALUMINIUM ALLOYS_2 docx
... Melbourne of Materials Engineering, Monash University, Clayton 3TU Delft, Department of Materials Science and Engineeringa and Novel Aerospace Materials, Aerospace Engineeringb, Delft 4School of Materials, ... are Cu and Mg and they generally have similar mole 234 Recent Trends in Processing and Degradation of Aluminium Alloys fractions Cu, Mn and Mg have specified compositional bands and the bands for ... the course of external load, evolution of microstructure and the dislocation mechanisms of slip and the localization of deformation connected with twinning, formation of slip and shear bands The...
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SYNTHESIS, PROCESSING AND CHARACTERIZATION OF NANOCRYSTALLINE TITANIUM DIOXIDE
... also extend to Department of Mechanical Materials and Aerospace Engineering (MMAE), Advanced Materials Processing and Analysis Center (AMPAC) and UCF for their financial and experimental support ... time and temperature have a great influence on the particle size and phase purity of the final powder 2.6 Sintering of Nanopowder Synthesis, characterization and processing of nanocrystalline materials ... spin-value systems and in solar cells for the production of hydrogen and electric energy [1-4] It has proved to be biocompatible and is responsible for improved biological performance of Ti -based metallic...
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The Science and Technology of Materials in Automotive Engines Part 1 doc
... properties of metals can be modelled and predicted Part II discusses the implications of this research for improving steelmaking and steel properties Details of these and other Woodhead Publishing materials ... chapter gives the function and materials technology of an individual part of the engine Appendix A is intended for the reader who has less knowledge of the basics of materials technology The reader ... the business of car parts and materials, and students who are learning mechanical engineering or materials engineering The topics are centered on recent technologies as well as standards Accordingly,...
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The Science and Technology of Materials in Automotive Engines Part 3 doc
... Low-pressure die casting 42 2.7.1 Science and technology of materials in automotive engines Sand casting Sand casting can produce aluminum blocks like those of cast iron A typical resin bonded mold ... discussed in this chapter and are summarized in reference.49 In considering 50 Science and technology of materials in automotive engines Sand core Cast iron liner 2.43 Sand core (shell mold core) ... °C, 58 Science and technology of materials in automotive engines could withstand hot combustion gas Figure 3.7 describes key requirements and reinforcement methods for aluminum and iron pistons...
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The Science and Technology of Materials in Automotive Engines Part 5 potx
... reduced, sealability and oil consumption cannot be maintained, and the roundness and straightness of the bore must also be taken into account 104 4.4.2 Science and technology of materials in automotive ... the increased concentrations of Cu, Cr and Mo The tempered martensite microstructure of flaky graphite iron gives a bending strength of 400 MPa and an elastic modulus of 100 GPa, while that 25 µm ... fatigue strength and toughness of cast iron mean that it is not possible to reduce the weight of the rings by lowering h1 Steel rings8 using spring steel 100 Science and technology of materials in...
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The Science and Technology of Materials in Automotive Engines Part 6 pps
... Science and technology of materials in automotive engines and valve lifter, and which can therefore cause problems that result in wear at the point of contact Figure 5.7 shows an example of flaking ... solidification temperature of cast iron is proportional to the sum of the percentage of carbon and one-third of the percentage of silicon This is known as the CE value and is measured using a CE ... whilst the central portion is softer at 25 HRC These microstructures correspond to the chill of Fig 5.11(b) and the flaky graphite 122 Science and technology of materials in automotive engines...
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The Science and Technology of Materials in Automotive Engines Part 7 pps
... containing raised levels of Si and Cr Figure 7.3 shows the microstructure of the steel It is normally Table 7.1 Chemical composition of valve spring material (%) The quantities of Si and Cr are high Valve ... maximum rotational velocity and a 20% reduction in friction were obtained 146 Science and technology of materials in automotive engines 6.14 Si3N4 ceramics valve (courtesy of NGK Insulators, Ltd.) ... lubricants When 148 Science and technology of materials in automotive engines 200 µm (a) 200 µm (b) 6.16 Microstructures of a Ti valve; (a) acicular microstructure at the crown and (b) equiaxed one...
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The Science and Technology of Materials in Automotive Engines Part 8 pptx
... white etching region consists of hard ferrite and pearlite 180 Science and technology of materials in automotive engines are the cause of the pitting This type of failure is likely to appear ... mainly used for motorcycles The type of crankshaft determines what kind of connecting rods are used, and the possible combinations of crankshafts and connecting rods and their applications are listed ... a vacuum to a carburizing temperature of between 900 °C and 1050 °C The carburizing gas is then admitted through jets and 186 Science and technology of materials in automotive engines thermally...
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The Science and Technology of Materials in Automotive Engines Part 9 pdf
... the center of this round area 200 Science and technology of materials in automotive engines radius between the crankpin and web, and at the oil hole or keyway of the shaft A sharp edge and rough ... hardening25 of the crankpin and the corner radii between the crankpin and web The assembled crankshaft uses induction hardening of the hole into which the crankpin is forcefitted and of the corner ... layered distribution of ferrite and pearlite After chemical etching, the difference in corrosion resistance of both microstructures exposes the fiber- 202 Science and technology of materials in automotive...
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