<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ye, S. J.</style></author><author><style face="normal" font="default" size="100%">Markelz, A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Hydration Effects on Energy Relaxation of Ferric Cytochrome C Films after Soret-Band Photoexcitation</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Physical Chemistry B</style></secondary-title><alt-title><style face="normal" font="default" size="100%">J. Phys. Chem. B</style></alt-title><short-title><style face="normal" font="default" size="100%">J. Phys. Chem. BJ. Phys. Chem. B</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Chemistry</style></keyword><keyword><style  face="normal" font="default" size="100%">circular-dichroism</style></keyword><keyword><style  face="normal" font="default" size="100%">conformation change</style></keyword><keyword><style  face="normal" font="default" size="100%">dynamics</style></keyword><keyword><style  face="normal" font="default" size="100%">ferricytochrome-c</style></keyword><keyword><style  face="normal" font="default" size="100%">protein hydration</style></keyword><keyword><style  face="normal" font="default" size="100%">resolved resonance raman</style></keyword><keyword><style  face="normal" font="default" size="100%">spectroscopy</style></keyword><keyword><style  face="normal" font="default" size="100%">unfolded states</style></keyword><keyword><style  face="normal" font="default" size="100%">vibrational-relaxation</style></keyword><keyword><style  face="normal" font="default" size="100%">water-molecules</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Nov</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">46</style></number><volume><style face="normal" font="default" size="100%">114</style></volume><pages><style face="normal" font="default" size="100%">15151-15157</style></pages><isbn><style face="normal" font="default" size="100%">1520-6106</style></isbn><language><style face="normal" font="default" size="100%">English</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Protein hydration plays a critical role in protein dynamics and biological processes. Pump-probe transmission measurement has been applied to investigate the hydration effects on the energy relaxation of a heme protein ferric Cytochrome c (Cyt c) film after soret-band photoexcitation. Transient dynamics study indicates that the energy internal conversion time of similar to 300 fs is independent of hydration. The vibrationally excited electronic ground-state recovery rates show two transitions at the hydration level of h = 12.4-16.5% and 21.7-23.5%. The first transition occurs at the hydration level for the onset of an increasing ferric Cyt c flexibility while the second transition occurs at the saturated hydration level. The hydration dependence of steady-state electronic absorption spectrum results shows that the Q-band peak is nearly constant in center wavelength, but the line width surprisingly narrows with increasing hydration. For the similar to 695 nm absorbance associated with the MET80-Fe bond, the intensity increases with increasing hydration and slightly blue shifts. The 695 nm peak grows rapidly at h = 12.4% and then plateaus at h = 21.7%. This research shows that similar to 695 nm absorbance and ground-state recovery rates are sensitive to the hydration of the protein. This study will aid in understanding how hydration modulates the activity of the protein dynamics at a local level.&lt;/p&gt;</style></abstract><work-type><style face="normal" font="default" size="100%">Article</style></work-type><accession-num><style face="normal" font="default" size="100%">WOS:000284287700044</style></accession-num><notes><style face="normal" font="default" size="100%">ISI Document Delivery No.: 681CT&lt;br/&gt;Times Cited: 3&lt;br/&gt;Cited Reference Count: 87&lt;br/&gt;Cited References: &lt;br/&gt;     Bagchi B, 2005, CHEM REV, V105, P3197, DOI 10.1021/cr020661+&lt;br/&gt;     BAI YW, 1995, SCIENCE, V269, P192, DOI 10.1126/science.7618079&lt;br/&gt;     Bertini I, 2000, J MAGN RESON, V147, P1, DOI 10.1006/jmre.2000.2131&lt;br/&gt;     Bizzarri AR, 2002, J PHYS CHEM B, V106, P6617, DOI 10.1021/jp020100m&lt;br/&gt;     BONE S, 1985, J MOL BIOL, V181, P323, DOI 10.1016/0022-2836(85)90096-8&lt;br/&gt;     Bone S, 2008, J PHYS CHEM B, V112, P10071, DOI 10.1021/jp8009782&lt;br/&gt;     BULL HB, 1968, ARCH BIOCHEM BIOPHYS, V128, P488, DOI 10.1016/0003-9861(68)90055-6&lt;br/&gt;     BULL HB, 1970, ARCH BIOCHEM BIOPHYS, V137, P299, DOI 10.1016/0003-9861(70)90443-1&lt;br/&gt;     CHAMPION PM, 1981, J CHEM PHYS, V75, P490, DOI 10.1063/1.441846&lt;br/&gt;     Chen EF, 1999, J AM CHEM SOC, V121, P3811, DOI 10.1021/ja983169+&lt;br/&gt;     Chen JY, 2005, PHYS REV E, V72, DOI 10.1103/PhysRevE.72.040901&lt;br/&gt;     Cianetti S, 2004, J AM CHEM SOC, V126, P13932, DOI 10.1021/ja046442i&lt;br/&gt;     Dragomir I, 2007, BIOPHYS J, V92, P989, DOI 10.1529/biophysj.106.095976&lt;br/&gt;     Eaton W A, 1981, Methods Enzymol, V76, P175&lt;br/&gt;     EATON WA, 1967, J CHEM PHYS, V46, P2533, DOI 10.1063/1.1841081&lt;br/&gt;     EATON WA, 1968, J CHEM PHYS, V49, P985, DOI 10.1063/1.1670263&lt;br/&gt;     Ehrler OT, 2009, ACCOUNTS CHEM RES, V42, P769, DOI 10.1021/ar800263z&lt;br/&gt;     FERRAND M, 1993, P NATL ACAD SCI USA, V90, P9668, DOI 10.1073/pnas.90.20.9668&lt;br/&gt;     GASCOYNE PRC, 1977, J CHEM SOC FARAD T 1, V73, P171, DOI 10.1039/f19777300171&lt;br/&gt;     GIBSON QH, 1957, NATURE, V180, P1416, DOI 10.1038/1801416b0&lt;br/&gt;     Gregory R.B., 1995, PROTEIN SOLVENT INTE&lt;br/&gt;     HALLE B, 1981, J AM CHEM SOC, V103, P500, DOI 10.1021/ja00393a004&lt;br/&gt;     Halle B, 2004, PHILOS T R SOC B, V359, P1207, DOI 10.1098/rstb.2004.1499&lt;br/&gt;     Henchman RH, 2002, PROTEIN SCI, V11, P2080, DOI 10.1110/ps.0214002&lt;br/&gt;     Hertel IV, 2006, REP PROG PHYS, V69, P1897, DOI 10.1088/0034-4885/69/6/R06&lt;br/&gt;     Jayaram B, 2004, ANNU REV BIOPH BIOM, V33, P343, DOI 10.1146/annurev.biophys.33.110502.140414&lt;br/&gt;     Jimenez R, 2002, J PHYS CHEM B, V106, P9172, DOI 10.1021/jp0209648&lt;br/&gt;     JONES CM, 1993, P NATL ACAD SCI USA, V90, P11860, DOI 10.1073/pnas.90.24.11860&lt;br/&gt;     Joti Y, 2008, BIOPHYS J, V94, P4435, DOI 10.1529/biophysj.107.118042&lt;br/&gt;     Jougeward K. 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T, 1996, CYTOCHROME C MULTIDI, P611&lt;br/&gt;     Ye MP, 2007, BIOPHYS J, V93, P2756, DOI 10.1529/biophysj.107.106799&lt;br/&gt;     Ye S, 2007, AIP CONF PROC, V893, P1307, DOI 10.1063/1.2730382&lt;br/&gt;     Ye X, 2002, J AM CHEM SOC, V124, P5914, DOI 10.1021/ja017359n&lt;br/&gt;     Ye XO, 2003, J PHYS CHEM A, V107, P8156, DOI 10.1021/jp0276799&lt;br/&gt;     Yeh SR, 1998, ACCOUNTS CHEM RES, V31, P727, DOI 10.1021/ar970084p&lt;br/&gt;     Yokoyama K, 2001, J PHYS CHEM B, V105, P12622, DOI 10.1021/jp011217y&lt;br/&gt;     Zang C, 2009, J AM CHEM SOC, V131, P2846, DOI 10.1021/ja8057293&lt;br/&gt;     Zelent B, 2004, J PHYS CHEM B, V108, P10317, DOI 10.1021/jp037664q&lt;br/&gt;     Zhang LY, 2007, P NATL ACAD SCI USA, V104, P18461, DOI 10.1073/pnas.0707647104&lt;br/&gt;     Zhou HX, 2001, BIOPHYS CHEM, V93, P171, DOI 10.1016/S0301-4622(01)00219-8&lt;br/&gt;Ye, Shuji Markelz, Andrea&lt;br/&gt;Ye, Shuji/B-4479-2010&lt;br/&gt;Markelz, Andrea/0000-0003-0443-4319&lt;br/&gt;NSFNational Science Foundation (NSF) [PHY-0349256, DBI-2959989]; University of Science and Technology of China; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21073175]; National Basic Research Program of ChinaNational Basic Research Program of China [2010CB923300]&lt;br/&gt;This work was supported by NSF CAREER Grant PHY-0349256 and NSF MRI-R&lt;SUP&gt;2&lt;/SUP&gt; Grant DBI-2959989, the start-up funding from University of Science and Technology of China, the Fundamental Research Funds for the Central Universities, National Natural Science Foundation of China (Grant 21073175), and National Basic Research Program of China (Grant 2010CB923300).&lt;br/&gt;3&lt;br/&gt;2&lt;br/&gt;20&lt;br/&gt;Amer chemical soc&lt;br/&gt;Washington</style></notes><auth-address><style face="normal" font="default" size="100%">[Ye, Shuji] Univ Sci &amp; Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China. [Markelz, Andrea] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA.&lt;br/&gt;Ye, SJ (corresponding author), Univ Sci &amp; Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China.&lt;br/&gt;shujiye@ustc.edu.cn|amarkelz@buffalo.edu</style></auth-address></record></records></xml>