antioxidant and other properties of green and black tea

... Overview of Green Polymers Molecular Level Morphology of Important Green Polymers: Cellulose and Lignin 3 Raw Materials for Synthetic Green Polymers: Molasses and Lignin Scope of ... lignin and green polymers by thermal and mechanical analyses, spectroscopy, and x-ray diffractometry Synthesis of green polymers derived from saccharides and lignins, such as polyurethane and polycaprolactone ... CHARACTERIZATION OF GREEN POLYMERS Thermal Analysis 13 Other Characterization Methods 25 Chapter THERMAL PROPERTIES OF CELLULOSE AND ITS DERIVATIVES Introduction 39 Thermal Properties...

Ngày tải lên: 27/06/2014, 15:20

... Overview of Green Polymers Molecular Level Morphology of Important Green Polymers: Cellulose and Lignin 3 Raw Materials for Synthetic Green Polymers: Molasses and Lignin Scope of ... Topics in Thermal Analysis and Calorimetry Volume Series Editor: Judit Simon, Budapest University of Technology and Economics, Hungary Thermal Properties of Green Polymers and Biocomposites by Tatsuko ... CHARACTERIZATION OF GREEN POLYMERS Thermal Analysis 13 Other Characterization Methods 25 Chapter THERMAL PROPERTIES OF CELLULOSE AND ITS DERIVATIVES Introduction 39 Thermal Properties...

Ngày tải lên: 11/08/2014, 06:20

... measurements of green polymers are those which enable simultaneous measurement of TG and differential thermal analysis (DTA) to be carried out Balance systems, kinds of crucible, flow gas systems and other ... measurements of green polymers Dynamic modulus, dynamic loss modulus and tan δ as function of temperature and frequency Temperature of the main chain relaxation (glass transition) Temperature of local ... sorption isotherm of cellulose at 298 K and BET plot A: sorption isotherms Open and filled circles show 1st and 2nd experiments, B: Brunauer-Emmett-Teller (BET) plot (Brunauer, S., Emmett, P H and Teller,...

Ngày tải lên: 11/08/2014, 06:20

... structure of natural cellulose and the structure of water vary as a Thermal Properties of Cellulose and Its Derivatives 65 function of Wc, Cp water and Cp cellulose changes as a function of Wc Accordingly, ... Figure 2-20) of the OH band at 3360 cm-1 and OD band at 2530 cm-1 were calculated using the band of 2900 cm-1 (CH and CH2 stretching) as an internal standard Using an internal standard, differences ... Tg (∆Cp) and molecular mass of NaCMC (DS = 1.4) [24] Definition of ∆Cp (see Figure 2.10) Thermal Properties of Cellulose and Its Derivatives 49 Figure 3-14 shows heat capacity curves of sodium...

Ngày tải lên: 11/08/2014, 06:20

... representative curves of relative baseline optical density of OH stretching band of various types of lignin as a function of temperature The relative optical density of OH stretching band starts to decrease ... density of representative OH stretching band (hydrogen bonded) and temperature of various kinds of lignin I: KL (3400 cm-1, 3500 cm-1), LS (3380 cm-1, 3500 cm-1), DL (3380 cm-1, 3500 cm-1) and MWL ... structures of lignin p-hydroxyphenyl (I), guaiacyl (II), and syringyl (III) structures Lignin is a major component of plants Scanning electron and ultraviolet micrographs of the cross section of cedar...

Ngày tải lên: 11/08/2014, 06:20

... observed between Tg and Tm of KLPCL and those of ALPCL 100 H /Jg -1 80 60 40 20 -20 10 20 30 -1 CL/OH Ratio / mol mol Figure 6-39 Change of ∆H's of Tcc and Tm with CL/OH ratio in AL- and KLPCL KLPCL, ... degradation of the cellulose acetate part of CAPCL’s PCL Derivatives from Saccharides, Cellulose and Lignin 229 On the other hand, as seen from Figure 6-17, the peak intensities of the C-OC, C=O, CH and ... corresponds to the molecular motion of amorphous chains of CAPCL When the crystalline region is formed, it restricts the incoherent movement of random chains and the number of molecular chains involving...

Ngày tải lên: 11/08/2014, 06:20

... number of moles of isocyanate groups per gram of MDI, WMDI the weight of MDI, MLig the number of moles of hydroxyl groups per gram of lignin, WLig the weight of lignin, MPEG the number of moles of ... KLTPU and KLPPU Figures 7-44 (B) and 7-44 (C) show the change of σ10, σy and E with KL contents of KLDPU, KLTPU and KLPPU The values of σ10, σy and E of KLDPU, KLTPU and KLPPU decrease with increasing ... values of σ10/ ρ, σy/ ρ and E/ ρ decrease with increasing KL content Figures.7-46 and 7-47 show the change of σ10, σy and E values of KLDPU, KLTPU and KLPPU with ρ values The values of σ10, σy and...

Ngày tải lên: 11/08/2014, 06:20

... lignosulfonate (LS) and molasses (ML) are described Preparation of geocomposites which are prepared by the reaction of PU-based geostabilizers in sand and the mechanical and thermal properties of the above ... amount of water was excluded from the sand using a corking hand gun In this stage, the mass of sand increases ca 16 %, (4) the surface of the sand is flattened, (5) a pre-determined amount of PEG ... change of permeation distance of LSTPU and LSPPU with LS contents in TEG and PEG solutions Figure 8-18 shows change of permeation distance of geocomposites with KL, LS and ML contents in PEG and...

Ngày tải lên: 11/08/2014, 06:20

... phenol content of laboratory extracts and their antioxidant power as measured by OUI and C50 4.2 Phenol content of extracts and antioxidant capacity Figure Correlation between antioxidant capacity ... colour stability of a wood and antioxidant capacity of its extracts MATERIALS AND METHODS 2.1 Chemicals, industrial extracts, and wood samples Reagents were the purest grade of Fluka, Merck, ... presence of an antioxidant extract, oxygen consumption is slower, and we measured the antioxidant capacity of the extract by the ratio of oxygen uptake at a chosen time in the presence and in the...

Ngày tải lên: 07/08/2014, 16:20

... characteristics of the "Sassi of Matera" and "Trulli of Alberobello" In the South of Italy, the sites of the "Sassi of Matera" (Figure 1a) (classified as humanity world heritage in 1993) and "Trulli of Alberobello" ... Polytechnic of Bari, were performed on some samples of calcarenite sandstone and calcareous stone of Fasano The goal of the laboratory tests was to experimentally find the thermophysical properties of ... typologies of building wall: a wall in blocks of calcarenite sandstone assembled with mortar, typical of the constructions of "Sassi of Matera," and a masonry made with dry calcareous stones of Fasano,...

Ngày tải lên: 05/09/2013, 14:58

... any of the rays composing it and it is used in the following phrases: black hair, black pepper, black eyes, black coal, black box, black body, black hole, etc Besides, from such a black color, Black ... (7%) Blackmail Politics/ black- spot black humour Blackball black Power Men Military in 20 black black box black - and 19 radiator 8.Technology (6,66%) –white (6,33%) black body Physical state black ... analysis of semantic and pragmatic features of the adjective Black in English and Đen in Vietnamese - Find out similarities and differences of semantic and pragmatic features of the adjective Black...

Ngày tải lên: 26/11/2013, 13:29

... (VZV) VZV: Chickenpox VZV: Shingles Re-activation of latent infection Suppression of cell mediated immunity Bacteria  Unicellular,  DNA and RNA  Binary  No prokaryotes fission mitochondria ... image shows many polymorphonuclear leukocytes (PMNs) and gram-negative extra- and intra-cellular diplococci (1,000X oil) Pneumococci in sputum Other important bacteria  Strict anaerobes: e.g Bacteroides ... reducing opsonisation and protecting from phagocytosis  E.g Streptococcus pneumoniae in RTI  vaccination: pneumococcal; meningococcal A and C  GLYCOCALYX loose meshwork of fibrils extending...

Ngày tải lên: 12/12/2013, 17:15

... principles and actual devices Electronic and Optoelectronic Properties of Semiconductor Structures provides engineering and physics students and practitioners with complete and coherent coverage of key ... manual and set of viewgraphs for use in lectures is available for instructors   received his Ph.D from the University of Chicago and is Professor of Electrical Engineering and Computer ... University of Michigan, Ann Arbor He has held visiting positions at the University of California, Santa Barbara and the University of Tokyo He is the author of over 250 technical papers and of seven...

Ngày tải lên: 24/01/2014, 17:34

... editing and support Conflict of interest The study was sponsored by Eli Lilly and Company AS and RE are employees and shareholders of Eli Lilly and Company RE and TW were employees of Eli Lilly and ... sub-domain (item 1: ‘‘How often does your child have a lot of fun?’’ and item 4: ‘‘How often does your child feel happy?’’) The items of the SPS sub-domain Psychometric properties of the CHIP-CE composed ... et al 2007), and Study (n = 139) (Curatolo et al 2007) The Psychometric properties of the CHIP-CE fourth study was a randomized, open-label study of atomoxetine versus standard of care (Study...

Ngày tải lên: 12/02/2014, 19:20

... compensation of ion Fe3+ in the tetrahedral and octahedral location That led to increasing of total magnetization of a molecule Ni1-xCoxFe2O4 and hence there is increasing of MS (table 3) Another side, ... with Fe3+ concentration of 0.8 mol, 0.4 mol of ions Co2+ and Ni2+ 0.48 mol solution of sodium hydroxide was prepared and slowly added to the salt solution drop wise with steady stirring The reaction ... high coercivity of materials, the second term can take part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration...

Ngày tải lên: 13/02/2014, 04:20

... security is offered and sold and/ or the issuer is located, the availability and nature of relevant public information, access to the management of the issuer and its advisers, the availability of pre-existing ... Definitions of Ratings and Other Forms of Opinion – Nov 2012 22 A.3 Other International Credit Ratings A.3.1 Bank Support and Viability Ratings A.3.1.1 Support Ratings The Purpose and Function of Support ... servicers of commercial and residential mortgages and other asset types Asset manager ratings opine on the relative operational and financial capabilities of asset managers, trustees and others...

Ngày tải lên: 16/02/2014, 03:20

... N P Kaimachnikov and B N Kholodenko parameters and, for clarity of exposition, we present the analysis of the Src cycle in terms of Eqns (6–8) Intrinsic regulatory properties of the Src (de)activation ... Kaimachnikov and B N Kholodenko A B C Fig Different types of QSS curve intersections determine the Src cycle steady states and dynamics One stable steady state (O) or three steady states (stable O1 and ... coexistence of oscillations (limit cycle) and a stable steady state implies subcritical Hopf bifurcation and the appearance of an unstable limit cycle The unstable and stable limit cycles collide and...

Ngày tải lên: 18/02/2014, 11:20

... mRNA and also of its own transcript For this reason, the level of mRNA for the wildtype form of MCPIP and the level of mRNA for IL-1b (Fig 5A, lane 3) were lower in comparison to the level of mRNA ... clarify the dynamics and features of this protein Role of MCPIP in regulation of the endogenous IL-1b transcript level After identification of a PIN domain in the MCPIP by use of bioinformatics, ... lanes 2,3 and 4, lower band) The levels of mutant and wild-type MCPIP mRNAs were higher when these vectors were co-transfected with a vector overexpressing IL-1b (Fig 5, lanes and 4, upper bands)...

Ngày tải lên: 18/02/2014, 14:20

... elafin) (B) Effect of class-specific protease inhibitors pepstatin (Peps., inhibitor of aspartyl proteases), AEBSF (inhibitor of serine proteases), E64 (inhibitor of cysteine proteases) and leupeptin ... trappin-2, and to a lesser extent elafin, have broad antibacterial and antifungal properties that are independent of their antiprotease function and probably limited to conditions of low ionic ... Araujo Soares RM (2006) Secretion of serine peptidase by a clinical strain of Candida albicans: influence of growth conditions and cleavage of human serum proteins and extracellular matrix components...

Ngày tải lên: 18/02/2014, 17:20