redox reactions in non aqueous solvents p 85 106 pdf

... (triflate) p para Ph phenyl ppm parts per million Pr propyl py pyridine q quartet List of Abbreviation x qn quintet Rf retention factor Rt retention time rbf round-bottom flask rt room temperature s singlet ... CO 2Me Amine + Aldehyde + Nu mins + OTMS H + OMe Amine + Aldehyde + Nu mins Cl 40 mins 35 mins hr 20 mins hr pure Mannich product MeO C NH O OMe pure Mannich product Cl 10 10 (ppm) (ppm) Figure ... NMR spectroscopic study of the effect of InCl3 in Mannich-type reaction using CD3OD Part I : Organic Reactions in Non- Conventional Solvents 31 Chapter Asymmetric Mannich-Type Reaction Since InCl3...

Ngày tải lên: 16/09/2015, 15:54

... corresponding carbonyl compounds with a catalyst prepared in situ from and TPPTS The reactions proceeded very fast (TOF up to ) and in most cases provided the carbonyl products quantitatively The industrially ... 266 Chapter (performed under unhydrous conditions) Especially valuable feature of isomerizations is in that all atoms of the starting compound are incorporated into the product, respresenting a ... followed by or NMR in a highpressure sapphire NMR tube Our detailed studies have shown that watersoluble phosphine complexes of ruthenium and rhodium with TPPMS, TPPTS or PTA ligands are able to...

Ngày tải lên: 23/12/2013, 07:19

... lower than PAA mainly due to the hydrophobic property of PVP ring However, in the presence of PAA the adsorption of PVP significantly increases as a result of the interaction of PVP with PAA adsorbed ... Alumina pillared montmorillonite and mesoporous alumina aluminium phosphates were also used as the adsorbents of pesticides such as: atrazine, propazine, prometryne, propachlor, propanil and molinate ... acid in the bulk phase w70x In the case of alumina, an amphoteric oxide, the property of the surface depends strongly on pH It has been already emphasised in this paper that alumina surface is positively...

Ngày tải lên: 15/03/2014, 23:22

... attendant higher operating cost This type of operating point would be typified by a portable application (such as vehicle, laptop PC, or cell phone) where light weight and small volume are important drivers ... to try all sorts of combinations of geometries and operating conditions to come up with an optimum design for the application Usually, many compromises in the operating points (cell voltages and ... calculations presented here have all been obtained on a Pentium IV PC (3 GHz, GB RAM), using Windows XP operating system The geometric and the base case operating conditions are listed in Table Values...

Ngày tải lên: 05/09/2013, 14:58

... existing results in the literature Our first innovation in the paper is to include English language knowledge in the regression As with Hebrew, we begin by including dummy variables for knowing ... of the return to speaking the language In essence, the people who crossed the critical boundary between speaking and not speaking the language would be likely to be drawn disproportionately from ... difference in skill of those above and below the cutoff The current version of the paper replaces the change in squared potential experience with potential experience An alternate approach (Dustmann...

Ngày tải lên: 24/01/2014, 04:20

... Output Pigtail Length Input Pigtail Length Example (In Meters): 01 = m 10 = 10 m 00 = Adapters only on input and output ports Number of Splitters Single splitter A Dual splitter (2) B Triple splitter ... angled polish adapters ST® adapters SC adapters SC angled polish adapters (3) duplex SC adapters E-2000 angled polish APC adapters VAM-6PB2 VAM-A6PB2 VAM-6PB4 VAM-6PB7 VAM-A6PB5 VAM-D6PB7 VAM-A6PB8 ... COMPONENTS IN OUT IN OUTPUT OUTPUT 1xN Stub fiber input spliced to equipment or OSP fibers (2 mm jacketed) Connectorized pigtail to OSP port on the fiber frame OUT OUTPUT OUTPUT 1xN INPUT INPUT WDM Modules...

Ngày tải lên: 24/01/2014, 11:20

... -Duration periods (90m) periods (90m) - Lesson Focus Presentation 1: Present simple tense – Regular verbs Practice: Present Simple tense – Reading and speaking - Integrated skills Listening, reading ... Listening, reading and speaking Speaking Lesson ( ' f- & H & & - &3 A-Teaching techniques Student individual work Group work Pair work Peer teaching Group A &b Group B Teacher lecturing &3 +0 +- +- 0 ... tasks Brainstorming Writing isolated sentences using the grammatical structure instructed Doing grammatical exercises Reading Aloud 0 +- 14 Group/Pair Discussion +- 15 Individual writing 10 Jigsaw...

Ngày tải lên: 29/01/2014, 10:58

... corresponding to the Borel subset ∆ of the real line R Let x be a operator in A and x∗ the adjoint of x Then x∗ x is a positive operator in A and there exists the positive operator |x| in A such ... ([5]) defined the conditional expectation E B : L1 (A, τ ) → L1(B, τ ) by the equation τ (xy) = τ ((E Bx)y), x ∈ A, y ∈ B Then E B is a positive linear mapping of norm one and uniquely define by ... Robbins law of large numbers is studied by many authors But to the best of our knowledge, in non- commutative probability, this law is investigated only by Jajte in a special case (see [10]) The purpose...

Ngày tải lên: 13/02/2014, 04:20

... mammals, PDHc contains an additional E3 binding protein and specific kinases and phosphatases, which control the activity of the complex by reversible phosphorylation ⁄ dephosphorylation of serine ... peroxide (Eqn 3) POX : pyruvate þ phosphate + oxygen + Hþ ! acetyl phosphate + CO2 + H2 O2 ð3Þ Phosphate-independent pyruvate oxidase from E coli In E coli, a related ThDP and FAD-dependent pyruvate ... Knappe J (1982) Routes of flavodoxin and ferredoxin reduction in Escherichia coli-CoA – acylating pyruvate – flavodoxin and NADPH – flavodoxin oxidoreductases participating in the activation of pyruvate...

Ngày tải lên: 18/02/2014, 08:20

... epilepsy ằ ằ Rule out pregnancy If in second half of pregnancy or up to week post partum AND no past history of epilepsy, ằ ằ ằ suspect eclampsia If head or neck injury, or neuroinfection suspected ... seizure, assess for possible epilepsy If yes, consider epilepsy ằ ằ ằ ằ EPI 2.1; either Initiate antiepileptic drug phenobarbital, phenytoin, carbamazepine or valproate ằ EPI 2.3 Educate about ... living support Consider carefully the persons functional capacity and the need for support in advising and facilitating optimal housing arrangements, bearing in mind the human rights of the person...

Ngày tải lên: 06/03/2014, 02:20

... the patterns of word cooccurrences strongly correlate The monotonically increasing chaxacter of the curves in figure indicates that in principle it should be possible to find word correspondences ... of MLCC: Multilingual Corpora for Cooperation Linguistic Database Workshop, Groningen Brown, Peter; Cocke, John; Della Pietra, Stephen A.; Della Pietra, Vincent J.; Jelinek, Fredrick; Lstferty, ... Reinhaxd (1993) Computation of word associations based on the cooccurrences of words in large corpora In: Pro- ceedings of the Workshop on Very Large Corpora: Academic and Industrial Perspectives, Columbus,...

Ngày tải lên: 08/03/2014, 07:20

... membrane [12] M thermautotrophicus neither contains methanophenazine, nor the cytochrome b-type proteins that are typical for the Methanosarcina electron-transport chain In an in vitro system from M ... gradient of H+ (DpH): pmf ¼ Dw À Z:DpH ðmVÞ ð9Þ where Z ¼ 2.303(RT/F) and DpH ¼ pHi – pHo; pHi and pHo refer to the intra- and extracellular pH, respectively At the experimental temperature (65 °C) ... parts One portion was kept cold, while the other part was incubated for h at 65 °C under an N2 atmosphere (100%, 200 kPa, 200 r .p. m.) and in the presence of uncoupler (25 lM p- nitrophenol or...

Ngày tải lên: 17/03/2014, 09:20

... triangulation A given spin configuration can be decomposed into spin clusters where spin either point up or down The spin boundaries can be viewed as closed loops passing through the centers ... relativity as describing the free fall of a point particle in superspace We can The supermomentum constraints H i = 0, may appear to be missing, but in fact those constraints can be derived, ... following -dependence of : (90) Since we also expect that (91) one finally obtains (78) from (85) ** We present here a slightly simplified version of the precise asymptotic expansion To be more specific...

Ngày tải lên: 17/03/2014, 14:39

... populations, expressing vs not expressing penaeidins [14] Microbial stimulation induces changes in the total number of circulating haemocytes, and in the population of haemocytes expressing penaeidins ... cell preparations were washed in phosphate buffer, incubated for 10 in 0.25% anhydride acetic prepared in 100 mM triethanolamine pH 8, and briefly washed in · NaCl/Cit Samples were then rinsed in ... constitutively expressed in shrimp haemocytes and penaeidin transcripts were also detected by Northern blot in different tissues of nonstimulated animals [14] In the present paper, the origin of penaeidin...

Ngày tải lên: 18/03/2014, 01:20

... domain D in a Stein surface every meromorphic mapping f : D → X is in fact holomorphic and extends as a holomorphic mapping ˆ ˆ ˆ f : D → X of the envelope of holomorphy D of D into X At this point ... pure dimension k) and nj are positive integers called multiplicities of Zj Let |Z| := j Zj be EXTENSION PROPERTIES OF MEROMORPHIC MAPPINGS 801 the support of Z All complex spaces in this paper ... existing methods of extension of meromorphic mappings The first method, based on Bishop’s extension theorem for analytic sets (appearing here as the graphs of mappings) and clever integration by parts...

Ngày tải lên: 22/03/2014, 16:20

... tuberculosis in patients with AIDS: spectrum of radiographic findings (including a normal appearance) Radiology 1994;193:115-119 20 Lessnau KD, Gorla M, Talavera W Radiographic findings in HIV-positive patients ... MDR TB patients (Table Imaging Findings Chest Radiographic Findings The radiographic findings of the three patient groups with TB are summarized in Tables and 3, and the A B C D Fig Findings for ... difference in the radiographic findings between MDR TB and XDR TB patients CT Findings The CT findings of the three patient groups with TB are summarized in Tables and For XDR TB patients, the...

Ngày tải lên: 22/03/2014, 18:20

... Description non- native, before prosody training non- native, after first prosody training non- native, after second prosody training non- native, before going abroad non- native, after going abroad ’super-learner’, ... data, training and testing within groups of speakers We also evaluate cross-group training and testing, training on one group of speakers (native and near-native) and testing on another (non- native) ... Classifier For all supervised experiments reported in this paper, we employ a Support Vector machine (SVM) with a linear kernel Support Vector Machines provide a fast, easily trainable classification...

Ngày tải lên: 23/03/2014, 17:20

... Celloviridin represents a complex set of components containing a biomass, in particular, having lipids subjected to peroxidation (LPO), which products may affect the enzyme activity To regulate LPO intensity ... should be noted in this connection that α-TP, in turn, more preferably interacts with poly-unsaturated phospholipids [29, 42], thus promoting cholesterol pushing out and simplifying formation of ... contain biomass components, lipids, in particular, capable of easy oxidation, giving products capable of damaging enzymic proteins However, for us the main precondition of phenosan use is the...

Ngày tải lên: 28/03/2014, 10:20

... trypsincleaved P- gp (5-min incubation); lane 3, chymotrypsin-cleaved P- gp (30-min incubation); lane 4, V8 protease-cleaved P- gp (15-min incubation); lane 5, subtilisin-cleaved P- gp (5-min incubation) ... asolectin] was treated with trypsin, chymotrypsin, V8 protease, or subtilisin at 37 C for various periods of time The P- gp : trypsin, P- gp : chymotrypsin, P- gp : V8 protease and P- gp : subtilisin ... et al thawing, the lipid suspension was sonicated in a bath sonicator until the suspension claried For reconstituting P- gp into liposomes, puried P- gp (P- gp was puried using a two-step procedure:...

Ngày tải lên: 29/03/2014, 23:20

... reducing retinal microbleeding and oedema and improving vision [5] PycnogenolÒ supplementation has also been shown to improve endothelial function in hypertensive patients, decreasing the hypertension ... diverse clinical pharmacology Int J Clin Pharmacol Ther 40, 158–168 Packer L, Rimbach G & Virgili F (1999) Antioxidant activity and biologic properties of a procyanidin-rich extract from pine (Pinus ... were cultured in the presence of indicated concentrations of PycnogenolÒ for various time periods The PycnogenolÒ powder was solved in NaCl ⁄ Pi containing 25 mm Hepes The effect of PycnogenolÒ...

Ngày tải lên: 30/03/2014, 02:20