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Preferences for facade colours - Theories and Practice
Gendered agricultural production, labour time, penetration of the market, and changing child sex ratios: A comparative study from the Indian Central Himalayas
On the formalizability of learning and evolution
The Research Frontier of Innovation System Research
Compliance or Obscurity? Online Anonymity as a Consequence of Fighting Illegal File Sharing
Temperature-Dependent Exciton Dynamics in J-Aggregates-When Disorder Plays a Role.
Absorption and fluorescence spectral properties of J-aggregates of core-tetrasubstituted perylene bisimide (PBI) dyes have been investigated in the temperature range from 300 to 5 K. A special feature of the present PBI J-aggregates is that, in contrast to classical J-aggregates like that of pseudoisocyanine (PIC), the chromophores are held together not only by van-der-Waals interactions but also
Coherent Picosecond Exciton Dynamics in a Photosynthetic Reaction Center
Photosynthetic reaction centers convert sunlight into a transmembrane electrochemical potential difference, providing chemical energy to almost all life on earth. Light energy is efficiently transferred through chromophore cofactors to the sites, where charge separation occurs. We applied two-dimensional electronic spectroscopy to assess the role of coherences in the photoresponse of the bacterial
Is Mikael Blomkvist the Man of the Millennium?
Mysterious UV Lines of Fe II in the Blob Spectrum of Eta Carinae
Country report - Sweden
Non-visual effects of daylight
Excitation-Emission Polarization Spectroscopy of Single Light Harvesting Complexes.
Excitation and emission polarization dependence of fluorescence intensity of single LH2 complexes from Rhodopseudomonas acidophila 10050 and Rhodobacter sphaeroides is reported. The results are presented as two-dimensional polarization plots and interpreted in terms of tilted light harvesting complexes indicating that sample preparation leads to partially oriented LH2 cylinders. An alternative exp
Interleukin-1 beta and tumour necrosis factor-alpha impede neutral lipid turnover in macrophage-derived foam cells
Background: Pro-inflammatory cytokines can affect intracellular lipid metabolism. A variety of effects have been described for different cell types; hepatocyte lipid turnover pathways are inhibited during inflammation, whereas interleukin-1 beta (IL-1 beta) reduces intracellular cholesterol levels in fibroblasts. Levels of the pro-inflammatory cytokines IL-1 beta and tumour necrosis factor-alpha (
Evidence for supercritical mixing layers in the ECN Spray A
Prior work on an engine combustion network Diesel fuel injector led to the conclusion that under Diesel engine conditions (combustion chamber pressure and temperature) the jet was transitionally supercritical; meaning that the core of the jet would be condensed liquid while the edge of the jet would be supercritical. We report initial experiments aimed at observing the thickened turbulent mixing l