Fourier transformed infrared absorption spectroscopy and kinetics studies of gas phase small molecules

... directed towards understanding the kinetics of elementary gas- phase reactions of small molecules using Fourier- Transformed Infrared (FTIR) absorption techniques The small molecules investigated ... Introduction 1.1 Gas phase kinetics The study of elementary gas- phase reaction kinetics, a venerable area of chemical investigation, continues to play a pro...

Ngày tải lên: 15/09/2015, 17:11

... gaining a better understanding of many organometallic mechanisms 1.6 Objectives of the study The main aim of this study was to investigate the spectroscopy and kinetics of organometallic transient ... as organometallics A number of important terms, properties and reactions of organometallic complexes are summarized in Figures and and Table [1] In this section, some...

Ngày tải lên: 14/09/2015, 17:56

... steady-state performance characteristics Reactor power (MW) Steam Pressure (MPa) Outlet Quality Steam Temperature (K) Saturation temperature (K) Feedwater Temperature (K) Feedwater Flowrate (kg/s) Primary ... Flowrate (kg/s) Primary pressure (MPa) Primary mass flow rate (kg/s) Reactor inlet temperature (K) Reactor outlet temperature (K) Saturation temperature (K) Reactor outlet void...

Ngày tải lên: 16/01/2014, 22:20

... S103 G145/D137 Y 112 D2 01/ 193 L75/67 G145/D137 E1 41/ 133 K173 /16 5 R207 /19 9 G77/69 D142 /13 4 G197 /18 9 Fig Superposition of PRTFDC1 with HPRT-ImmGP (Protein Data Bank code: 1BZY) (A) Residues in the ... Welin et al Studies of the human PRTFDC1 B A PRTFDC1 25 HPRT 20 10 00 0.2 800 600 400 0 .1 200 –50 50 10 10 50 10 015 0 200 250 S 200 –50 250 50 12 00 10 0 15 0 [H...

Ngày tải lên: 15/02/2014, 01:20

... robust synthesis of pantothenate from low amounts of pantoate [9] Here, we report the results of the structural studies of the pantoate- bound form of the N-terminal domain of E coli PS (nPS) The structure ... [13] Details of the structural basis for the biochemically observed inhibition of plant PS by pantoate, as well as of the alleviation of...

Ngày tải lên: 16/02/2014, 09:20

... has already established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic lipase and LPL and the tandem repeat ... (Fig 4A and B, 5) The lipase activity of the K413A mutant is similar to that of wild type LPL, whereas the esterase activity is reduced to 60% of t...

Ngày tải lên: 21/02/2014, 15:20

... differences in the stability of tethered and free sequences A Kinetics of human telomere quadruplex folding B Fig Thermodynamics of denaturation of human telomere quadruplex structures in buffered ... Form 1103 Telomeric quadruplex stability J B Chaires of the human telomeric quadruplex Similarly, unfolding of quadruplex forms requires only modest expendi...

Ngày tải lên: 06/03/2014, 09:22

... uorescence studies of conformational changes induced by cyclic AMP and DNA binding to cyclic AMP receptor protein from Escherichia coli Eur J Biochem 270, 14131423 Yu S & Lee JC (2004) Role of residue ... changes induced by DNA and cAMP 19 20 21 22 23 24 25 26 27 28 29 30 31 cAMP -induced allosteric changes in T127I, S128A and T127I S128A mut...

Ngày tải lên: 07/03/2014, 16:20

... rans phil us Vibrio cholerae Escherichia coli Rickettsia prowazekii Sulfolobus acidocaldarius Aquifex aeolicus Helicobacter pylori B ac Prokaryotic Family I sPPases * Neisseria meningitidis 925 ... (MDLSRIPPQP KAGILNVLIE IPAG), and Rhodop viridis (MRIDA IDXA), and that of Mi aeruginosa NIES-44 (MDL SRKPAQP IPGLKNVLVE TAGSINIT) [16], show a high degree of similarity with other cyto...

Ngày tải lên: 16/03/2014, 11:20

... presents the purification and molecular analyses of photoactive a-PEC peptides from phycobilisomes of M laminosus Preliminary results of crystallization and NMR spectroscopy offer reliable information ... present the 7:8 asymmetry of the allophycocyanin-linker complex, APÆLC , from Ó FEBS 2002 Analyses of a-phycoerythrocyanin peptides (Eur J Biochem 269) 5055 phycob...

Ngày tải lên: 17/03/2014, 10:20

... spectra for Th and Ch of the Nfrutalin, Ufrutalin, Rfrutalin and Mfrutalin forms Nfrutalin had a minimum at 218 nm and a maximum at 203 nm Ufrutalin had the typical spectrum of the proteins that have ... integrifolia: amino acid sequence, predicted tertiary structure, carbohydrate recognition, and analysis of the beta-prism fold Protein Sci 8, 13–24 Sankaranarayanan, R., Sek...

Ngày tải lên: 17/03/2014, 23:20

... activity of the peptides A better understanding of the mode of action of these peptides is crucial for the development of a new generation of antibiotics It is known that, in the absence of both ... at the two spatial tips of the molecule, at the N-terminus with Arg1 and in the turn in the presence of Arg7 and Arg9 (see Figs and 4) The shorter analo...

Ngày tải lên: 22/03/2014, 21:20

... Solubilization and purification of N-terminus His-tagged FAE1 KCS Fig Hydropathy analysis of FAE1 KCS (A) Hydropathy plot of FAE1 KCS indicating the presence of several hydrophobic regions The position of the ... Taken together, the analysis of the decarboxylation activity and characterization of the mutants of the putative catalytic triad strongly...

Ngày tải lên: 24/03/2014, 03:21

... kDa, a second peak of 30 kDa and a third peak of about 20 kDa A similar gel filtration experiment was also carried out for the complex of XAIP with a- amylase A mixture of XAIP and a- amylase was ... observations indicate that XAIP associates with GH11 xylanase and GH13 a- amylase, as well as with both xylanase and a- amylase simultaneously Tissue distribution...

Ngày tải lên: 29/03/2014, 09:20

... Mechanism of aspartase from Bacillus sp YM55-1 Table Kinetic parameters for the deamination of L -aspartate by wild-type AspB and the Thr101, Asn142 and His188 mutants Steady-state kinetic parameters ... equilibration of the (R)- and (S)-enantiomers of mandelate On the basis of mutagenesis, crystallographic and kinetic isotope studies, Mitra et al [32] propos...

Ngày tải lên: 29/03/2014, 23:20