The Role of Silanols in the Interactions between Methyltert-Butyl Ether and High-Silica Faujasite Y: An Infrared Spectroscopy and Computational Model Study

2012 ◽  
Vol 116 (12) ◽  
pp. 6943-6952 ◽  
Author(s):  
Ilaria Braschi ◽  
Giorgio Gatti ◽  
Chiara Bisio ◽  
Gloria Berlier ◽  
Vittoria Sacchetto ◽  
...  
Keyword(s):  
Infrared Spectroscopy ◽  
Computational Model ◽  
Butyl Ether ◽  
Model Study ◽  
High Silica

scholarly journals Role of CaMKII and PKA in Early Afterdepolarization of Human Ventricular Myocardium Cell: A Computational Model Study

2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Ling Dai ◽  
Yunliang Zang ◽  
Dingchang Zheng ◽  
Ling Xia ◽  
Yinglan Gong
Keyword(s):  
Computational Model ◽  
Signaling Pathway ◽  
Experimental Studies ◽  
Ventricular Myocardium ◽  
Delayed Rectifier ◽  
Adrenergic Signaling ◽  
Model Study ◽  
Early Afterdepolarization ◽  
Human Ventricular Myocardium

Early afterdepolarization (EAD) plays an important role in arrhythmogenesis. Many experimental studies have reported that Ca2+/calmodulin-dependent protein kinase II (CaMKII) and β-adrenergic signaling pathway are two important regulators. In this study, we developed a modified computational model of human ventricular myocyte to investigate the combined role of CaMKII and β-adrenergic signaling pathway on the occurrence of EADs. Our simulation results showed that (1) CaMKII overexpression facilitates EADs through the prolongation of late sodium current’s (INaL) deactivation progress; (2) the combined effect of CaMKII overexpression and activation of β-adrenergic signaling pathway further increases the risk of EADs, where EADs could occur at shorter cycle length (2000 ms versus 4000 ms) and lower rapid delayed rectifier K+ current (IKr) blockage (77% versus 85%). In summary, this study computationally demonstrated the combined role of CaMKII and β-adrenergic signaling pathway on the occurrence of EADs, which could be useful for searching for therapy strategies to treat EADs related arrhythmogenesis.

Interactions of Toluene and n-Hexane on High Silica Zeolites: An Experimental and Computational Model Study.

2015 ◽  
Vol 119 (44) ◽  
pp. 24875-24886 ◽  
Author(s):  
Vittoria Sacchetto ◽  
Chiara Bisio ◽  
Diana F. Olivas Olivera ◽  
Geo Paul ◽  
Giorgio Gatti ◽  
...  
Keyword(s):  
Computational Model ◽  
Model Study ◽  
High Silica ◽  
High Silica Zeolites

APPLICATION OF IR SPECTROSCOPY IN THE STUDY OF MINERAL OIL

2017 ◽  
pp. 91-95
Author(s):  
E. I. Grushova ◽  
A. .. Al Razuqi ◽  
E. S. Chaiko ◽  
O. A. Miloserdova
Keyword(s):  
Ir Spectroscopy ◽  
Group Composition ◽  
Mineral Oil ◽  
Vacuum Distillate ◽  
Methyl Tertiary Butyl Ether ◽  
Butyl Ether ◽  
Tertiary Butyl ◽  
Mineral Oils ◽  
Modifying Additive

IR spectroscopy investigated structural and group composition of base mineral oils isolated from the vacuum distillate by selective purification of N-methylpyrrolidone and the low temperature dewaxing in the presence of a solvent. The role of the latter was carried out by the systems acetone - toluene, acetone - methyl tertiary butyl ether, methyl ethyl ketone - toluene, acetone - toluene - modifying additive. It was shown that the chemical composition of the group of base oils and slack waxes is defined as the nature of the solvent to the dewaxing, and oils sequence of purification steps.

scholarly journals A computational model of cell culture dynamics: the role of connectivity and synaptic receptors in the appearance of synchronized bursting events

2015 ◽  
Vol 16 (S1) ◽  
Author(s):  
Davide Lonardoni ◽  
Stefano Di Marco ◽  
Hayder Amin ◽  
Luca Berdondini ◽  
Thierry Nieus
Keyword(s):  
Cell Culture ◽  
Computational Model ◽  
Synaptic Receptors ◽  
Bursting Events

scholarly journals High yield synthesis of high-silica chabazite by combining the role of zeolite precursors and tetraethylammonium: SCR of NOx

2015 ◽  
Vol 51 (49) ◽  
pp. 9965-9968 ◽  
Author(s):  
Nuria Martín ◽  
Manuel Moliner ◽  
Avelino Corma
Keyword(s):  
High Yield ◽  
High Solid ◽  
Rational Combination ◽  
High Silica ◽  
Scr Of Nox ◽  
Zeolite Precursors

The synthesis of chabazite with high solid yields is achieved by the rational combination of directing effects of a source of Si and Al coming from USY zeolites and the inexpensive tetraethylammonium.

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