Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ingrid Katheder"'
Publikováno v:
Chemical Physics Letters. 262:656-662
The Raman spectra of bacteriochlorophyll a with natural abundance and 15N- and 2H-enriched isotope compositions were recorded in the S0, T1 and S1 states. On the basis of isotope shifts, Raman lines were characterized in each state. Comparison of the
Publikováno v:
FEBS Letters. 371:21-24
Using mass spectrometry, we have demonstrated 18O-labelling of both the 131-oxo and 3-acetyl groups of newly-formed bacteriochlorophyll a synthesized by Rhodobacter sphaeroides cells during adaptation from respiratory to photosynthetic conditions in
Autor:
Toshio Shimamura, Hiroaki Utsumi, Leenawaty Limantara, Yoshitaka Kurimoto, Ingrid Katheder, Kenji Furukawa, Hugo Scheer, Yasushi Koyama
Publikováno v:
Chemical Physics Letters. 236:71-77
The 50 MHz 15 N NMR spectra of 15 N-enriched bacteriochlorophyll a were recorded in twelve different solvents. The 15 N signals of the four nitrogens in the tetrapyrrole rings I, II, III and IV (signals I, II, III and IV) were assigned by the use of
Autor:
Zhiyu Wang, Avigdor Scherz, Gerhard Hartwich, Lin X. Chen, Hugo Scheer, P. A. Montano, Ingrid Katheder, James R. Norris
Publikováno v:
Chemical Physics Letters. 234:437-444
Local structures around metal atoms in Ni and Zn substituted 132-hydroxy-bacteriochlorophyll a (Ni-HOB, and Zn-HOB) with and without insertion into the accessory bacteriochlorophyll a (BChla) sites in Rhodobacter sphaeroides photosynthetic reaction c
Publikováno v:
Chemical Physics Letters. 227:617-622
15N-substituted bacteriochlorophyll a (BChl a) was extracted from the cells of Rhodobacter sphaeroides 2.4.1 grown in a medium containing 15N-ammonium sulfate and yeast concentrate. The T1 Raman spectra of 14N-and 15N-BChl a were obtained as the diff
Publikováno v:
Journal of Raman Spectroscopy. 25:365-370
Soret resonance and Qy preresonance Raman spectra are reported and compared for a series of (bacterio)chlorophylls. Chlorophyll a, 2-acetylchlorophyll a, bacteriochlorophyll a and 2-vinylbacteriochlorophyll a were studied in the non-protic solvent te
Publikováno v:
Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1101:321-328
[3-Vinyl]-bacteriochlorophyll a and related pigments modified at C-3 and/or C-13 2 have been synthesized from bacteriochlorophyll a . The reactivity at C-3 is strongly influenced by the C-13 2 substituent, and vice versa. Spectroscopical data and com
Publikováno v:
Journal of Luminescence. :520-522
By means of fluorescence spectroscopy and nonlinear absorption experiments, excited-state processes of the modified pigments [3-acetyl]-chlorophyll a, [31-OH]-bacteriochlorophyll a and [3-vinyl]-bacteriochlorophyll a were investigated and compared wi
Autor:
Thomas Polvika, Tõnu Pullerits, Hugo Scheer, Niall J. Fraser, Beate Ucker, Peter Dominy, Jennifer L. Herek, Villy Sundström, Richard J. Cogdell, Ingrid Katheder
Publikováno v:
Photosynthesis: Mechanisms and Effects ISBN: 9780792355472
The primary events in bacterial photosynthesis involve the capture of light energy by light harvesting (LH) antenna complexes, followed by rapid and efficient energy transfer to a reaction centre (RC), where the absorbed energy is “trapped”. In m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8fb415cb9bcf3a62d1da7a5cb938796
https://doi.org/10.1007/978-94-011-3953-3_18
https://doi.org/10.1007/978-94-011-3953-3_18
Publikováno v:
European journal of biochemistry. 239(1)
A respiring culture of Rhodobacter sphaeroides, grown in the dark under defined aerobic conditions, produced cells capable of immediately commencing adaptation to photosynthetic growth on exposure to light and further reduction of oxygen tension. Ada