Zobrazeno 1 - 10
of 14
pro vyhledávání: '"77"'
Publikováno v:
The Journal of Physical Chemistry. 97:9852-9862
At both room temperature (RT) and 77 K, the absorption and fluorescence spectra of the three individual chromophore types ([alpha][sub 84], [beta][sub 84], and [beta][sub 155]) found in monomeric C-phycocyanin ([alpha][sup PC][beta][sup PC]), isolate
Publikováno v:
The Journal of Physical Chemistry. 97:565-568
The photochemical reaction of dihydrotetraruthenium tridecacarbonyl, H[sub 2]Ru[sub 4](CO)[sub 13], was investigated by UV-visible and FT-IR absorption spectroscopies at 77 K in both a 3-methylpentane matrix and a polystyrene film. Upon irradiation a
Publikováno v:
The Journal of Physical Chemistry. 90:2589-2596
The emission properties of pyridine and mono- and dialkylpyridines have been studied in solution in the presence of trifluoroacetic acid at room temperature and 77 K. At room temperature, mono- and dialkylpyridines exhibit a weak and broad fluorescen
Autor:
Helmut Goerner
Publikováno v:
The Journal of Physical Chemistry. 93:1826-1832
Determination des durees de vie et des energies de l'etat triplet du stilbene, de ses derives substitues, des diaryl-1,2 ethylenes, des styrylpyridines, des dipyridylethylenes dans des solvants polaires et apolaires
Autor:
Dan Meisel, A. Bromberg
Publikováno v:
The Journal of Physical Chemistry. 89:2507-2513
Autor:
Ajit Kumar Ghosh, Debnarayan Nath, Kankan Bhattacharyya, Devashis Majumdar, K. Das, Nilmoni Sarkar
Publikováno v:
The Journal of Physical Chemistry. 98:9126-9132
An excited-state intramolecular proton transfer (ESIPT) process in 2-(2’-hydroxyphenyl) benzimidazole and -benzoxazole (HPBI and HBO, respectively) has been studied using steady-state and time-resolved emission spectroscopy at various temperatures
Publikováno v:
The Journal of Physical Chemistry. 98:2282-2289
Aromatic sulfoxides are photochemically active molecules. Much of that reactivity has been attributed to the previously uncharacterized triplet states of these molecules. At 77 K in ether/isopentane/ethanol (EPA) glass, aromatic sulfoxides are shown
Publikováno v:
The Journal of Physical Chemistry. 97:8512-8518
The molecules 4-(N,N-dimethylamino)benzonitrile (DMABN), N-pyrrolidinobenzonitrile (PYRBN), and 9-cyanojulolidine (JULCN) were adsorbed from high vacuum onto the surfaces of highly porous silica and alumina powders. The electronic absorption, fluores
Publikováno v:
The Journal of Physical Chemistry. 94:6987-6995
The effect of an applied electric field on the kinetics of the initial picosecond electron-transfer reaction in Rb. sphaeroides reaction centers has been measured in isotropic samples at 77 K. The net rate of formation of H{sub L} is reduced upon app
Publikováno v:
The Journal of Physical Chemistry. 94:6341-6350
Highly vibrationally excited gas-phase benzene was prepared with a pulsed excimer laser operating at 248 nm, and the subsequent collisional deactivation was monitored with time-resolved infrared fluorescence (IRF) from the C-H stretch modes near 3,05