interaction of electrons with electromagnetic field

... concerning the interaction between electrons and photons in a form that is convenient for theoretical analysis of semiconductor lasers [1–9] First, quantization of electromagnetic fields of optical ... discussion of the electromagnetic fields themselves In fact, calculation of the expectation value for the electric field by using Eq (2.18b) yields for all instances of time, showing that, in spite of ... eigenstates The eigenstates of the Hamiltonian H0, with interaction omitted can be written as using the energy eigenstates j ji of the electron and the eigenstates jnmiof optical field of each mode m Here

Ngày tải lên: 23/10/2013, 20:15

... indicating that the interactions of these differ-ent proteins are likely to be indirect, depending on the presence of intact RNA as integral component of the RNP Association of 42Sp50 with mRNA has ... that are formed with the corresponding signal sequences in the untranslated regions of the mRNAs and with a number of different so-called localization proteins In the context of the present study, ... 6family of RNA binding proteins [31–33] Together withthe findings obtained in the present study, interaction of VICKZ and poly(A) binding proteins thus appears to define a conserved feature of mRNPs

Ngày tải lên: 23/03/2014, 03:20

... structure of EW29Ch with lactose showed that the glucose residue of the lactose molecule interacted with subdomain c of EW29Ch [25] This interaction may be an artifact caused by the crystallization of ... epitopes of sugars interacting with the protein, because the resonance signals of the glucose residue overlapping with those of the galactose residue within the lactose affected the subtraction of ... tighter interaction with lac-tose than the c sugar-binding site because of the num-ber of intermolecular hydrogen bonds and of residues interacting with lactose Our results agreed well with those

Ngày tải lên: 23/03/2014, 04:21

... either by measurement of the rate of production of O2 or the rate of O2 uptake INT diaphorase activity was assayed by the rate of reduction of INT into formazan in the presence of superoxide dismutase ... the structural arrangement of the FAD binding domain of flavocyto-chrome b is modified, resulting in a loss of interaction of FAD with heme 1 and in a facilitated access of INT to FAD Along this ... minutes of anaerobiosis, small amounts of sodium dithionite solution were added to attain a level of reduction of heme b and hemin of 90–95% Sequential additions of small aliquots (0.2 lL) of a

Ngày tải lên: 31/03/2014, 21:21

... parts of the metabolism However, it is often interesting to get a quick and complete overview of the whole data set, especially at the start of the analysis Furthermore, many tools are only offered ... infection, a lag phase of several years is often observed before the appearance of symptoms whose intensity on a given plant may vary with each year However, infected plants die within a few years ... Trang 1Open AccessResearch article Gene expression profiling in susceptible interaction of grapevine with its fungal pathogen Eutypa lata: Extending MapMan ontology for grapevine

Ngày tải lên: 12/08/2014, 03:21

... principal vector of the interfacial residues in the cognate (PV1,cog) and noncognate (PV1,noncog) complexes within 0.35 nm of the point of substitution (Region R4) and within 0.35 nm of the full recognition ... Tech., PSG College of Technology, India) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2011 ... here To all of them, I express my sincere gratitude Thank you everyone! Trang 5TABLE OF CONTENTS ACKNOWLEDGEMENTS i TABLE OF CONTENTS iii SUMMARY vii LIST OF TABLES xi LIST OF FIGURES

Ngày tải lên: 09/09/2015, 18:49

... Co-localization and interaction of ZO-2 and ZO-3 with Scrib in COS-1 Figure 2-3 Scrib interacts directly with ZO-2 and ZO-3 via its PDZ domains Figure 2-4 Co-localization of ZO-2 and ZO-3 with Scrib in ... to the direction of movement, with the anterior facing the migration front and set off a series of processes that produces cell motility Foremost of these is the generation of actin mediated ... critique of this work throughout my candidature The progress of my project would not have been possible if not for the generous contributions of my collaborators For their kind offering of reagents,

Ngày tải lên: 14/09/2015, 08:24

... of the electron in the quantum wire 2 * 2 m with , mn m n r κ = k 2.2 Probability of state transition When studying the interaction of electrons with phonons, as well as the interaction of electrons ... University of Natural Resources and Environment 3 Vietnam Commander officer training college Abstract: Abstract: In this work we used the wrapper method to solve the problem of interaction of electrons ... Trang 1INTERACTION OF ELECTRONS AND HYBRIDONS INTERACTION OF ELECTRONS AND HYBRIDONS IN A IN A FREE QUANTUM WIRE FREE QUANTUM WIRE

Ngày tải lên: 13/01/2020, 12:42

... AccessThe interaction of Arabidopsis with Piriformospora indica shifts from initial transient stress induced by fungus-released chemical mediators to a mutualistic interaction after physical contact of ... possible The number of Figure 1 Epidermis with stomata of Arabidopsis leaves two or six days after exposure of the seedlings to an agar plaque without (control) or with P indica (+ P indica) Guard cells ... is also produced during early stages of symbiotic interactions of bacteria and mycorrhizal fungi with roots [30,31] Here, we demonstrate an early production of ROS before a physical contact between

Ngày tải lên: 26/05/2020, 23:41

... atomic interaction maps for all atom types of the ligand molecule The Lamarckian Genetic Algo-rithm (LGA) was selected with the population size of 150 individuals and with a maximum number of generations ... bioactive compounds is closely linked with the distribu-tion and metabolism of these active ingredients [12–14] Therefore, investigation of the binding of drug to HSA is of great importance to understand ... Trp-212 is located within a hydrophobic bind-ing pocket of the protein and Trp-134 is located on the surface of the molecule [16] Therefore, the experimental results of the interaction between

Ngày tải lên: 29/05/2020, 12:40

... dissociation was observed with the A8B8 isoform of GAPDH lead-ing to the A2B2 isoform with a higher NADPH-dependent activity [39] By analogy with the CTE of the isoform of GAPDH [15,37], we hypothesize ... interact in the same way with recombinant GAPDH, whereas mutation of the cysteine residue at position 66 prevents interaction of CP12 with GAPDH Identification of the interaction site between ... reduction of the CTE, Arg77 becomes free to interact with activity of GAPDH increases In the C reinhardtii GAPDH⁄ CP12 complex, the interaction of GAPDH Arg82 with the 2¢-phosphate of NADPH could

Ngày tải lên: 16/03/2014, 13:20

... were washed twice with buffer C and twice with buffer C with-out NP40 The elution was made with three volumes of buffer C without NP40 adjusted to 1.5 m NaCl, incubating for 10 min with gentle stirring ... nuclear-enriched fraction of proteins The effi-ciency of labelling of the single oligomers being not homogenous, the ratios of the different binding signals within each lane instead of their absolute ... 4formation of the CRC agrees with the absence of cellgrowth inhibition by GT-G4 By affinity chromatography, using a GT biotinylated 51-mer, the proteins interacting with GT were isolated from the pool of

Ngày tải lên: 16/03/2014, 13:20

... interact with the 3¢ of the)148 to )124 region of c-jun However, this interaction was not found to be absolutely essential for its interaction with RLjunRP complexed with Jun-25 The interaction of ... be correlated with the appearance of the factor, rRLjunRP, involved in the formation of complex C2, observed with rRNE-d, and if the time of appearance of this factor coincides with the increase ... regenerating rat liver form specific complex with the )148 to )124 re-gion of c-jun Lane 1 represents the interaction of factor(s) present in fraction rRNE-d with 1 ng of radiolabelled Jun-25 EMSA reactions

Ngày tải lên: 16/03/2014, 18:20

... coimmunoprecipitated with the ETAR-1D4, regardless of the absence or presence of ET-1 (lanes 2 and 3), but not without the expression of the receptor (lane 1) This observation is consistent with those of the ... manner To examine the interaction of ETBR with caveolin-1, we took advantage of an insect cell expression system, in which ETAR and ETBR are expressed well, with KDvalues for ET-1 of 55 ± 8 and 83 ... Furthermore, the amount of ETBR localized in caveolae increased significantly with the expression of caveolin-1 and decreased with the addition of ET-1 The disruption of caveolae by filipin reduced

Ngày tải lên: 17/03/2014, 03:20

... factor-a production (Fig 10) The comparison of the results of the interaction of LPS with HDL to those published for the interaction of the former with another serum protein, albumin, indicates ... sugar units, lipid A two of each) which may be connected with different conformations of the molecules Differential scanningcalorimetry measurements of the interaction of LPS with HDL (Fig 3) shows ... three types of experiments with LPS Re and HDL have been carried out Preincubation of the cells with LPS Re (30 min at 37C) and followingaddition of HDL, preincubation of the cells with HDL and

Ngày tải lên: 17/03/2014, 10:20

... visuali-zation One mole of genistein is bound per mole of HSA with a binding constant of 1.5 ± 0.2· 105m)1 Binding of genistein to HSA precludes the attachment of daidzein The ability of HSA to bind genistein ... Fluorescence quenching studies with genistein Interaction of genistein with HSA has been monitored following the quenching of relative fluorescence inten-sity of HSA Quenching of fluorescence by genistein ... energetics of interactions has been followed by varying binding con-stant with temperature The nature of the interaction was identified by temperature and ionic strength dependence of binding

Ngày tải lên: 23/03/2014, 11:20

... 4B) This agrees with the presence of a larger residue that makes stable contacts with this region of DNA The interaction of mutants at position 50, and par-ticularly of I50K–HAKN1 with DNA, provides ... for the interaction of HAKN1 with DNA in which helix III of the homeodomain accommodates along the major groove with Arg55, Asn51, Lys54 and Ile50, establishing specific contacts with bases of the ... HAKN1–DNA interaction Based on the analysis of the binding of wild-type and mutant HAKN1 homeodomains to different DNA tar-get sites, we propose a model for the interaction of HAKN1 with DNA A set of

Ngày tải lên: 23/03/2014, 13:20

... homologous with the cDNA-derivedamino-acid sequence of the putative Aa-Pri1 protein [4], with its isoform aegerolysin [5],with Asp-hemolysin from the mold Aspergillus fumigatus [6],with two Clostridium ... (Bio-Rad),with MCT detector, first on hydrated,and then on deuterated films,with or without a polariser set at either 0 or 90  (with respect to the plane of reflections) In the case of lipid-bound ... mechanism,compatible with the formation of pores of 4 nm diameter,and was cytotoxic to mammalian tumor cells A search for lipid inhibitors of hemolysis revealed a strong effect of lysophospholipids

Ngày tải lên: 23/03/2014, 21:20

... against the catalytic site of the domain; unexpectedly, our results show that the interaction of SlyD with nickel ions entails participation of the novel structural features of the PPIase domain, ... aid their interaction with the PPIase active site Comparison of PPIase domains and the FK506–rapamycin interaction The PPIase domain fold is highly conserved within the large family of FKBP and ... hydrophobic interactions with the a1-helix, the b2-strand and the b3-strand, but it also establishes a few contacts with the interconnecting segments The structure of the PPIase module of SlyD closely

Ngày tải lên: 30/03/2014, 01:20

... target of LT-I is a polarized intestinal cell, the purpose of this study was to investi-gate the interaction of LT-I with non-GM1 receptors of polarized HT29 cells Toxic activity, triggered by LT-I ... inves-tigated the nature of alternate LT-I receptors in differ-entiated cells Results Characterization of differentiated HT29 cells In order to analyze the interaction of LT-I with cells that resemble ... solubilized with NaOH and the radioactivity was counted Nonspecific binding was measured as the binding of125I-labelled toxin in the presence of an excess of unlabe-led LT-B To assay nonspecific binding of

Ngày tải lên: 30/03/2014, 10:20