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	<title>Quantum Pharmaceuticals &#187; water</title>
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	<link>http://q-pharm.com</link>
	<description>The drug discovery company</description>
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		<title>Effects of the surface density on the stability of surface electrostatics models</title>
		<link>http://q-pharm.com/2010/05/effects-of-the-surface-density-on-the-stability-of-surface-electrostatics-models/</link>
		<comments>http://q-pharm.com/2010/05/effects-of-the-surface-density-on-the-stability-of-surface-electrostatics-models/#comments</comments>
		<pubDate>Thu, 20 May 2010 05:57:17 +0000</pubDate>
		<dc:creator>Peter Fedichev, Quantum CTO</dc:creator>
				<category><![CDATA[Generalized Born]]></category>
		<category><![CDATA[polar liquid]]></category>
		<category><![CDATA[solvation energy]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=236</guid>
		<description><![CDATA[We&#8217;ve been extensively involved in developing new and testing already existing methods for continuous electrostatics problems solution. Large part of the effort is building and understanding of the so called Generalized Born models. It&#8217;s been known for quite a while that although various incarnations of...


Related posts:<ol><li><a href='http://q-pharm.com/2009/12/on-surface-charges-generalized-born-calculation-demonstration/' rel='bookmark' title='Permanent Link: O(N) Surface Charges Generalized Born calculation demonstration'>O(N) Surface Charges Generalized Born calculation demonstration</a></li>
<li><a href='http://q-pharm.com/2010/05/fft-acceleration-demonstration-for-surfacegb-methods/' rel='bookmark' title='Permanent Link: FFT acceleration demonstration for (surface)GB methods'>FFT acceleration demonstration for (surface)GB methods</a></li>
<li><a href='http://q-pharm.com/2009/11/protein-solvation-energies-and-gb-surface-charges-perfect-match/' rel='bookmark' title='Permanent Link: Protein solvation energies and GB surface charges: perfect match!'>Protein solvation energies and GB surface charges: perfect match!</a></li>
<li><a href='http://q-pharm.com/2010/05/surface-gb-models-the-ultimate-test/' rel='bookmark' title='Permanent Link: Surface GB models: the ultimate test'>Surface GB models: the ultimate test</a></li>
<li><a href='http://q-pharm.com/2009/11/water-polarization-charges-in-generalized-born-models/' rel='bookmark' title='Permanent Link: Water polarization charges in Generalized Born models.'>Water polarization charges in Generalized Born models.</a></li>
</ol>

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		<wfw:commentRss>http://q-pharm.com/2010/05/effects-of-the-surface-density-on-the-stability-of-surface-electrostatics-models/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Surface GB models: the ultimate test</title>
		<link>http://q-pharm.com/2010/05/surface-gb-models-the-ultimate-test/</link>
		<comments>http://q-pharm.com/2010/05/surface-gb-models-the-ultimate-test/#comments</comments>
		<pubDate>Tue, 18 May 2010 17:59:24 +0000</pubDate>
		<dc:creator>Peter Fedichev, Quantum CTO</dc:creator>
				<category><![CDATA[Generalized Born]]></category>
		<category><![CDATA[solvation energy]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=223</guid>
		<description><![CDATA[Continuous solvation models in general and Generalized Born models alike in particular provide a simplified though fast assessment of the solvation energies of biomolecules. Continuous water models help effectively eliminate vast number of degrees of freedom associated with the dynamics of water molecules and thus...


Related posts:<ol><li><a href='http://q-pharm.com/2009/11/protein-solvation-energies-and-gb-surface-charges-perfect-match/' rel='bookmark' title='Permanent Link: Protein solvation energies and GB surface charges: perfect match!'>Protein solvation energies and GB surface charges: perfect match!</a></li>
<li><a href='http://q-pharm.com/2010/05/fft-acceleration-demonstration-for-surfacegb-methods/' rel='bookmark' title='Permanent Link: FFT acceleration demonstration for (surface)GB methods'>FFT acceleration demonstration for (surface)GB methods</a></li>
<li><a href='http://q-pharm.com/2010/05/effects-of-the-surface-density-on-the-stability-of-surface-electrostatics-models/' rel='bookmark' title='Permanent Link: Effects of the surface density on the stability of surface electrostatics models'>Effects of the surface density on the stability of surface electrostatics models</a></li>
<li><a href='http://q-pharm.com/2009/12/on-surface-charges-generalized-born-calculation-demonstration/' rel='bookmark' title='Permanent Link: O(N) Surface Charges Generalized Born calculation demonstration'>O(N) Surface Charges Generalized Born calculation demonstration</a></li>
<li><a href='http://q-pharm.com/2010/02/non-polar-contribution-to-solvation-energy-from-born-models/' rel='bookmark' title='Permanent Link: Non-polar contribution to solvation energy from Born models:'>Non-polar contribution to solvation energy from Born models:</a></li>
</ol>

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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Water molecules alignments on a hydrophobic surface &#8211; I</title>
		<link>http://q-pharm.com/2010/04/water-molecules-alignments-on-a-hydrophobic-surface-i/</link>
		<comments>http://q-pharm.com/2010/04/water-molecules-alignments-on-a-hydrophobic-surface-i/#comments</comments>
		<pubDate>Sun, 11 Apr 2010 19:45:54 +0000</pubDate>
		<dc:creator>Peter Fedichev, Quantum CTO</dc:creator>
				<category><![CDATA[polar liquid]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=201</guid>
		<description><![CDATA[Water molecules interact strongly &#8220;using&#8221; both the long range dipole-dipole and short-range &#8220;hydrogen bonds&#8221; to form sophisticated networks. As described in our previous post, water molecules align along a hydrophobic surface and form an strongly-interacting 2d system of molecular dipoles. Normally there is no true...


Related posts:<ol><li><a href='http://q-pharm.com/2010/03/water-polarization-and-density-profiles-at-a-gas-liquid-interface/' rel='bookmark' title='Permanent Link: Water polarization and density profiles at a gas-liquid interface'>Water polarization and density profiles at a gas-liquid interface</a></li>
<li><a href='http://q-pharm.com/2009/04/molecular-polarization-on-a-polar-liquid-interface-the-structure-of-a-water-surface/' rel='bookmark' title='Permanent Link: Molecular polarization on a polar liquid interface: the structure of a water surface'>Molecular polarization on a polar liquid interface: the structure of a water surface</a></li>
<li><a href='http://q-pharm.com/2009/11/three-great-ways-to-calculate-born-radii-beyond-the-coulomb-field-approximation/' rel='bookmark' title='Permanent Link: Three great ways to calculate Born radii beyond the Coulomb Field Approximation'>Three great ways to calculate Born radii beyond the Coulomb Field Approximation</a></li>
<li><a href='http://q-pharm.com/2008/09/the-nature-of-percolation-phase-transition-in-films-of-hydration-water-around-immersed-bodies/' rel='bookmark' title='Permanent Link: The nature of percolation phase transition in films of hydration water around immersed bodies.'>The nature of percolation phase transition in films of hydration water around immersed bodies.</a></li>
<li><a href='http://q-pharm.com/2008/09/spontaneous-polarization-of-a-polar-liquid-next-to-nano-scale-impurities/' rel='bookmark' title='Permanent Link: Spontaneous polarization of a polar liquid next to nano-scale impurities'>Spontaneous polarization of a polar liquid next to nano-scale impurities</a></li>
</ol>

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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Water polarization and density profiles at a gas-liquid interface</title>
		<link>http://q-pharm.com/2010/03/water-polarization-and-density-profiles-at-a-gas-liquid-interface/</link>
		<comments>http://q-pharm.com/2010/03/water-polarization-and-density-profiles-at-a-gas-liquid-interface/#comments</comments>
		<pubDate>Thu, 25 Mar 2010 06:13:58 +0000</pubDate>
		<dc:creator>Peter Fedichev, Quantum CTO</dc:creator>
				<category><![CDATA[polar liquid]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=195</guid>
		<description><![CDATA[The true picture of the water  molecules ordering next to a hydrophobic surface or a liquid-gas interface is in fact more complicated than a model. Next to the interface both the water polarization and the density should vanish. To account for the density changes we incorporated the density variations into the free energy functional. The resulting model even though only in the mean field approximation reveals spontaneous liquid polarization at the liquid boundary. The spontaneous polarization of the liquid is the consequence of the dipole-dipole interactions and effectively makes the liquid interface behave as a ferro-electric film.


Related posts:<ol><li><a href='http://q-pharm.com/2009/04/molecular-polarization-on-a-polar-liquid-interface-the-structure-of-a-water-surface/' rel='bookmark' title='Permanent Link: Molecular polarization on a polar liquid interface: the structure of a water surface'>Molecular polarization on a polar liquid interface: the structure of a water surface</a></li>
<li><a href='http://q-pharm.com/2008/08/ferro-electric-phase-transition-in-a-polar-liquid-and-the-nature-of-lambda-transition-in-supercooled-water/' rel='bookmark' title='Permanent Link: Ferro-electric phase transition in a polar liquid and the nature of lambda-transition in supercooled water'>Ferro-electric phase transition in a polar liquid and the nature of lambda-transition in supercooled water</a></li>
<li><a href='http://q-pharm.com/2009/12/ferro-electric-phase-transition-in-a-polar-liquid-and-the-nature-of-lambda-transition-in-supercooled-water-2/' rel='bookmark' title='Permanent Link: Ferro-electric phase transition in a polar liquid and the nature of \lambda-transition in supercooled water'>Ferro-electric phase transition in a polar liquid and the nature of \lambda-transition in supercooled water</a></li>
<li><a href='http://q-pharm.com/2010/04/water-molecules-alignments-on-a-hydrophobic-surface-i/' rel='bookmark' title='Permanent Link: Water molecules alignments on a hydrophobic surface &#8211; I'>Water molecules alignments on a hydrophobic surface &#8211; I</a></li>
<li><a href='http://q-pharm.com/2008/09/spontaneous-polarization-of-a-polar-liquid-next-to-nano-scale-impurities/' rel='bookmark' title='Permanent Link: Spontaneous polarization of a polar liquid next to nano-scale impurities'>Spontaneous polarization of a polar liquid next to nano-scale impurities</a></li>
</ol>

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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Non-polar contribution to solvation energy from Born models:</title>
		<link>http://q-pharm.com/2010/02/non-polar-contribution-to-solvation-energy-from-born-models/</link>
		<comments>http://q-pharm.com/2010/02/non-polar-contribution-to-solvation-energy-from-born-models/#comments</comments>
		<pubDate>Tue, 02 Feb 2010 11:21:47 +0000</pubDate>
		<dc:creator>Peter Fedichev, Quantum CTO</dc:creator>
				<category><![CDATA[Generalized Born]]></category>
		<category><![CDATA[solvation energy]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://q-pharm.com/?p=84</guid>
		<description><![CDATA[Solvation energy contribution to protein-ligand binding conceptually consists of two different contributions. The first one is collective in nature, comes from the long range interaction of the molecules charges with polar water molecules. The other comes mostly from the short range interactions of the molecules...


Related posts:<ol><li><a href='http://q-pharm.com/2009/11/how-to-use-born-surface-charges-to-calculate-solvation-energy/' rel='bookmark' title='Permanent Link: How to use Born surface charges to calculate solvation energy?'>How to use Born surface charges to calculate solvation energy?</a></li>
<li><a href='http://q-pharm.com/2009/01/self-consistent-solvation-energy-contribution-calculation-for-protein-ligand-complexes/' rel='bookmark' title='Permanent Link: Self-consistent solvation energy contribution calculation for protein-ligand complexes'>Self-consistent solvation energy contribution calculation for protein-ligand complexes</a></li>
<li><a href='http://q-pharm.com/2009/11/water-polarization-charges-in-generalized-born-models/' rel='bookmark' title='Permanent Link: Water polarization charges in Generalized Born models.'>Water polarization charges in Generalized Born models.</a></li>
<li><a href='http://q-pharm.com/2009/01/solvation-energy-of-a-large-atom-cluster-continuous-solvation-energy-test-ii/' rel='bookmark' title='Permanent Link: Solvation energy of a large atom cluster: continuous solvation energy test &#8211; II'>Solvation energy of a large atom cluster: continuous solvation energy test &#8211; II</a></li>
<li><a href='http://q-pharm.com/2009/11/on-scgb-solvation-models-first-blood/' rel='bookmark' title='Permanent Link: O(N) SCGB solvation models: first &#8220;blood&#8221;'>O(N) SCGB solvation models: first &#8220;blood&#8221;</a></li>
</ol>

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