... Development of Methodology for the Palladium-Catalysed Synthesis of Oxygen -Containing Heterocycles Joanne F M Hewitt (M Sci) A thesis submitted in part fulfillment of the requirements of the degree of ... Carbocyclisation of Unactivated Alkenes 122 3.1 Introduction and Aims 122 3.2 Synthesis and Reactions of Boronic Acid 123 3.3 Synthesis and Reactions of Boronic Acid Derivatives 133 3.3.1 Synthesis of Boronic ... Scheme 1.25: Pd-catalysed synthesis of benzofurans 1.105 from aryl iodides 1.104 Stoltz and co-workers developed an oxidative synthesis of benzofuran and dihydrobenzofuran derivatives, proceeding...
Ngày tải lên: 22/12/2014, 21:07
Báo cáo khoa học: Efficient synthesis of a disulfide-containing protein through a batch cell-free system from wheat germ pdf
... 0.1) Ó FEBS 2003 Cell-free synthesis of a disulfide -containing protein (Eur J Biochem 270) 4785 Fig Biotinylation of scFv (A) Transcription unit in the pEU plasmid containing the scFvLBH The biotin-tag ... was washed with 280 lL of the buffer (fractions 2–8) and then 200 lL of the buffer containing 0.15 M NaCl (9–13) The antigen-bound polypeptide was eluted (14–22) with 360 lL of 4% (w/v) SDS (for ... concentration for the sake of stability during storage [1] Thus, in order to reduce the DTT concentration for the translation reaction, Ó FEBS 2003 Cell-free synthesis of a disulfide -containing protein...
Ngày tải lên: 16/03/2014, 23:20
thermodynamics of systems containing flexible - chain polymers - v.j. klenin
... there will be very few of them Professor S Ya.Frenke1, Head of the Department of Anisotropic Polymer Systems of the Instatute of Macromolecular Compounds, Russian Academy of Sciences St.Petersbourg, ... chemistry of polymers is established In this case the author successfully avoids the shadow of Hodel’s theorem of insufficiency and gives rigorous methods of single and double regularization of incorrect ... THERMODYNAMICS OF SYSTEMS CONTAINING FLEXIBLE-CHAIN POLYMERS Scientific edition by Professor Sergei Ya Frenkel Translated by Sergei L Shmakov and Dmitri N 'Ifichinin THERMODYNAMICS OF SYSTEMS CONTAINING...
Ngày tải lên: 17/03/2014, 15:00
identification, design and synthesis of oxygenated hydrocarbon-based carbon dioxide-soluble polymers for chemical and petroleum engineering applications
... They evaluated a variety of commercially available polymers, amorphous polymers of various molecular weights They also studied linear, weakly associative polymers composed of tri-alkyltin fluoride, ... binary mixture of β-D-maltose octaacetate and CO2 Copolymers of tetrafluoroethylene (TFE) and vinyl acetate (VAc) exhibited lower miscibility pressures than either of the homopolymers, probably ... stereoregularity favors dissolution of polymers in CO2 which is able to maximize the entropy of mixing between CO2 and polymers. 74-76 To dissolve the compounds into CO2, a large amount of cosolvent was introduced...
Ngày tải lên: 13/11/2014, 10:49
synthesis of carbon nanotubes and polymers to increase the performance of polymer blends
Ngày tải lên: 14/11/2014, 12:32
Designing and synthesis of shape memory polymers for biomedical application
... Mechanism of Lipase-Catalyzed Polymerization of Cyclic Lactones Scheme 2.5 Production of PHAs Scheme 2.6 Representative Members of PHAs Scheme 2.7 Structure of Poly(3HB-co-3HV) Scheme 4.1 Synthesis of ... 6.2.1 Synthesis of 2-Oxepane-1,5-dione (OPD) 98 6.2.2 Synthesis of poly(2-Oxepane-1,5-dione)-diol (POPD) 98 6.2.3 Synthesis of poly(ester-urethane)s (PCTOPD)s containing hyperbranched ... wt% of sirolimus Figure 6.11 Compression curve for stent from PCTOPD-27 with the thickness of 0.22 mm and out diameter of 3.45 mm x LIST OF TABLES Table 1.1 Comparison of the properties of SMPs...
Ngày tải lên: 11/09/2015, 09:58
Characterization of the Carbon Stable Isotope Ratio and Fatty Acid Structure of Zostera japonica in Coastal Areas
... characteristics of carbon stable isotope and fatty acid structure of Z japonica Furthermore, we compared the characteristics of carbon stable isotope and fatty acid structure of Z japonica with those of the ... mechanisms of carbon transport to depend on for stable isotope in each part of Z japonica Furthermore, carbon isotope fractionation may differ from each part of Z japonica In addition, the origin of ... from that of the roots and rhizomes For example, the δ13C of HCO3- is higher than δ13C of CO2 in sea water Characteristics of fatty acid structure in Z japonica We found about 30 kinds of fatty...
Ngày tải lên: 05/09/2013, 10:17
A study of linguistic features of proverbs containing weather terms in english versus vietnamese
... beauty of language in general and that of proverbs in particular What are the semantic and syntactic features of proverbs Providing Vietnamese learners of English and English learners containing ... 4.47: Relative Frequency of Semantic Fields of PCWT VPCWT because of the differences in culture and regions In the in English and Vietnamese scope of my thesis and the limit of my data, PCWT occur ... learners of English and English learners of Vietnamese comprehend statement, or expression of the folk which contains above all and use proverbs better in order to decrease the risk of committing...
Ngày tải lên: 26/11/2013, 13:24
A study of idioms containing terms for plants in english and vietnamese
... idiomatic sense is one distinguishing mark of a native command of the language and a reliable measure of the proficiency of foreign learners" These strong properties of idioms have posed a serious challenge ... Frequency of Semantic Features of Idioms Idioms containing TsFPs in the form of verb phrases are the Containing TsFPs in English and Vietnamese most popular in both languages with a large number of ... features of English and Vietnamese idioms containing TsFPs? 1.5 SCOPE OF THE STUDY Idioms have become an interesting object of several recent studies in various languages Within the scope of this...
Ngày tải lên: 26/11/2013, 13:28
Tài liệu Management Information Systems A Synthesis of Transit Practice ppt
... referenced Because of the size of the capital investment, the similarity of need, the rate of change in information technology, and the proliferation of vendors, the creation of a public framework ... Investigators responsible for the conduct of the synthesis were Sally D Liff, Manager, Synthesis Studies, and Donna L Vlasak, Senior Program Officer This synthesis was edited by Linda S Mason Valuable ... responsibility and oversight This type of model has led to the emergence of pockets of MIS resources outside of the primary computing environment Lack of training and funding are two critical...
Ngày tải lên: 18/02/2014, 11:20
Tài liệu Báo cáo khoa học: Evolutionary divergence of valosin-containing protein ⁄cell division cycle protein 48 binding interactions among endoplasmic reticulum-associated degradation proteins ppt
... mutation of Arg93 or Arg155 does not block binding of Atx-3 [39], this suggests that binding of VBM -containing proteins is unaltered by the IBMPFD mutations In view of the highly basic nature of the ... architecture of VCP–Cdc48p -containing complexes in ERAD, despite conservation of the principle of VCP–Cdc48p binding To understand more about the evolutionary conservation of the VBM in each of these ... ERAD concentrations of VCP in the vicinity of the ER might still drive weak binding of mutated VBM -containing proteins Competitive or cooperative binding between the various VBM -containing proteins...
Ngày tải lên: 18/02/2014, 13:20
Tài liệu Báo cáo khóa học: Inactivation of copper-containing amine oxidases by turnover products doc
... limiting the amount of available oxygen and allowing the monitoring of the UV-vis spectrum of reacting species from the same batch The substrates are arranged in the table in order of decreasing kcat, ... highly suitable for a large scale preparation of LCAO Molecular and enzymatic properties of LCAO were found to be very similar to those of other Cu -containing amine oxidases, particularly those ... loss of activity was dependent upon the incubation time and the amine concentration and much less on the nature of the amine used In general it approached a value of 60% after 30 min, and of >...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx
... applications for synthesis of cholecystokinin-12 and bradykinin containing tyrosine sulfate [57], and could perhaps be applicable to synthesis of a-conopeptides Synthesis of variants of a-conotoxins: ... mechanisms of incorporation of PTMs in the biosynthesis of conopeptides Appropriate methods of analysis need to be addressed to ensure recognition of these PTMs, if present, in the course of characterization ... Amidation of C-terminus Sulfation of tyrosine Hydroxylation of proline Carboxylation of glutamic acid Cyclization of N-terminal Gln O-Glycosylation Bromination of tryptophan Isomerization of tryptophan...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Synthesis of Organometallic Compounds: A Practical Guide pdf
Ngày tải lên: 19/02/2014, 15:20
Tài liệu Báo cáo Y học: The glucose-specific carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx
... Reversible inhibition of EIIGlc Eadie–Hofstee plots of nonvectorial phosphorylation of D-Glc (0–2 mM) by membrane fractions containing EIIGlc Phosphorylation was assayed in the presence of inhibitors ... transition of the Eadie– Hofstee plot from the biphasic to a monophasic shape are Table Rates of inactivation of IICBGlc Incubation of purified IICBGlc with the indicated concentration (mM) of the ... measuring inhibition of phosphorylation of [14C]a-MGlc (0.5 mM) IC50 Inhibitor Fig Inhibition of nonvectorial phosphorylation Relative rate of Glc phosphorylation by membranes containing EIIGlc...
Ngày tải lên: 21/02/2014, 01:21
Tài liệu Báo cáo Y học: Dinucleoside polyphosphates stimulate the primer independent synthesis of poly(A) catalyzed by yeast poly(A) polymerase ppt
... methods Relative activity of GpnGs as effectors of the synthesis of poly(A) Based on the above results, the effect of several diguanosine polyphosphates on the synthesis of poly(A) was comparatively ... independent synthesis of poly(A) In order to understand why dinucleoside polyphosphates activated the primer independent synthesis of poly(A), the effect of 0.01 mM Gp4G or Ap4A on the synthesis of poly(A) ... presence of 0.02 mM [a-32P]ATP While confirming the adenylylation of these compounds and the absence of synthesis of poly(A) by the E coli poly(A) polymerase, we did not observed adenylylation of guanosine,...
Ngày tải lên: 21/02/2014, 01:21
Báo cáo khoa học: Heterologous synthesis of cytochrome c¢ by Escherichia coli is not dependent on the System I cytochrome c biogenesis machinery ppt
... Biogenesis of cytochrome c¢ Heterologous synthesis of PHCP by E coli The E coli System I cytochrome c biogenesis machinery, consisting of the Dsb and Ccm proteins, is responsible for the synthesis of ... database: (2) locus tag of Alvin_2765 of Allochromatium vinosum DSM180; (3) accession number P00138 of Achromobacter xylosoxidans NCIMB11015; (4) locus tag of RSP_0474 of Rhodobacter sphaeroides 2.4.1 ... indicate the positions of the PHCP and PH c552 proteins, respectively The band denoted by the asterisk on the right-hand side is the result of nonspecific staining of the extracts containing the PH...
Ngày tải lên: 06/03/2014, 00:20
Báo cáo khoa học: In vivo production of catalase containing haem analogues pot
... presence of 1.12 mol of iron atoms per mol of KatA polypeptide in Fe-PPKatA Isolated Ga-PP-KatA contained 0.96 mol of gallium per mol of KatA polypeptide, and only trace amounts of iron (Table 2) ... in Table In the case of Ru-meso, a low concentration had to be used because of the toxicity of this compound Production of catalase was determined by immunoblot analysis of cytoplasmic fractions ... preparations of isolated Cu-PP-KatA and Mg-PP-KatA, which contained only low amounts of metals; Cu-PPKatA contained 0.04 mol of copper per mol of KatA polypeptide, and Mg-PP-KatA contained 0.02 mol of...
Ngày tải lên: 06/03/2014, 11:20
Environmental Goods and Services A Synthesis of Country Studies pot
... COM/ENV/TD(2004)10/FINAL Table Membership of key MEAs and dates of ratification, acceptance, approval or accession Vienna Convention for the Protection of the Ozone Layer Country Date of signature of MEA Montreal Protocol ... Services In Nicaragua, the Ministry of Environment and Natural Resources (MARENA) has an Office of Environmental Services that is in charge of identifying the benefits of trade in environmental goods ... determinants of demand, such as: the state of the economy; population and population growth; the state of the environment; and pressure from stakeholders, civil society and consumers in each of the...
Ngày tải lên: 07/03/2014, 08:20