Spatio-temporal observation of dynamical structures in order-disorder phenomena and phase transitions via Ultrafast Electron Diffraction
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A solid-phase method for the introduction of a variety of different side chains into oligoribonucleotides is presented. It is based on a b-D-allofuranosyl phosphoramidite with a bromopentyl-substituent tethered to the 6'-O position. After its incorporation ...
A Multicomponent Aerosol Dynamics Model (MADM) capable of solving the condensation/evaporation equation of atmospheric aerosols is presented. Condensable species may be organic and/or inorganic. For the inorganic constituents the equilibrium model ISORROPI ...
The ultrafast dynamics of electronic bubble formation upon excitation of the A(3ss) Rydberg state of NO trapped in solid H2 and D2 was studied by femtosecond pump-probe spectroscopy. The evolution of the spherical bubble is followed in real time by a probe ...
The authors describe a two-dimensional high-resoln. solid-state NMR methodol. for correlating the dynamics of mol. rearrangements around the crit. points of equil. phase transitions in mol. solids. It combines the techniques of temp.-jump and two-dimension ...
We investigate a thermodynamically consistent isothermal solutal phase-field mode1 describing the solidification of a binary alloy. The system is characterized by two variables: phase-field and concentration. The phase-field locally describes the phase sta ...
The macroscopic properties of ferroelectric materials depend directly on the domain configuration and the structure of the domain boundaries. For this reason, their study is of great scientific and technological interest. Several models have been developed ...
A one step procedure has been found that converts 2,2'-methylenedifuran (1) into 2,2,',2",2'''-(1,2-ethanediylidene)tetrafuran (4: 1,1,2,2-tetrakis(furan-2-yl)ethane). This compound adopts two similar C-2V-symmetrical conformations (4A and 4A') in the crys ...
Reaction of 1,1'-bis(diphenylphosphino)binaphthol (BINAPO, 1) with [RuCl2(η6-arene)]2 in methanol leads to dinuclear BINAPO-bridged Ru compounds [{RuCl2(η6-p-cymene)}2-(μ-BINAPO)], 2a, in ne ...
Incorporation of a nitrogen functionality into a tripodal N-heterocyclic carbene ligand system affords the first N-anchored tetradentate tris-carbene ligands TIMENR I (R = Me (5a), t-Bu (5b), Bz (5c)). Treatment of the Me derivatized H3TIMENMe3 imid ...
The known solid-state structure of cyclo(β-HAla)4 was used to model the structure of the cyclo-β-tetrapeptide (β-HPhe-β-HThr-β-HLys-β-HTrp) as a prospective somatostatin mimic. The synthesis started with the N-protected natural amino acids Boc-Phe-OH, Boc- ...