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The Henderson-Hasselbalch Equation: Its History and Limitations
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Points out that the Henderson-Hasselbalch equation is an approximation and not equivalent to the mass action law.
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Acids / BasesCiting Articles
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This article has been cited by 6 ACS Journal articles (5 most recent appear below).
NMR Studies of the Stability, Protonation States, and Tautomerism of 13C- and 15N-Labeled Aldimines of the Coenzyme Pyridoxal 5′-Phosphate in Water
Monique Chan-Huot, Shasad Sharif, Peter M. Tolstoy, Michael D. Toney, and Hans-Heinrich LimbachBiochemistry2010 49 (51), 10818-10830NMR Studies of the Stability, Protonation States, and Tautomerism of 13C- and 15N-Labeled Aldimines of the Coenzyme Pyridoxal 5′-Phosphate in Water
Monique Chan-Huot, Shasad Sharif, Peter M. Tolstoy, Michael D. Toney, and Hans-Heinrich LimbachBiochemistry2010 49 (51), 10818-10830We have measured the pH-dependent 1H, 13C, and 15N NMR spectra of pyridoxal 5′-phosphate (13C2-PLP) mixed with equal amounts of either doubly 15N-labeled diaminopropane, 15Nα-labeled l-lysine, or 15Nε-labeled l-lysine as model systems for various ...
Reactions of Tertiary Phosphines with Alcohols in Aqueous Media
Dmitry V. Moiseev, Brian O. Patrick and Brian R. JamesInorganic Chemistry2009 48 (1), 239-245Reactions of Tertiary Phosphines with Alcohols in Aqueous Media
Dmitry V. Moiseev, Brian O. Patrick and Brian R. JamesInorganic Chemistry2009 48 (1), 239-245The tertiary phosphines Me3P, Et3P, nPr3P, iPr3P, [HO(CH2)3]3P, Me2PhP, and MePh2P react with vanillyl alcohol to give phosphobetaine species via a mechanism involving a carbocation intermediate; treatment of the phosphobetaines with HCl gives the ...
Acid−Base Interactions and Secondary Structures of Poly-l-Lysine Probed by 15N and 13C Solid State NMR and Ab initio Model Calculations
Alexandra Dos, Volkmar Schimming, Sergio Tosoni and Hans-Heinrich LimbachThe Journal of Physical Chemistry B2008 112 (49), 15604-15615Acid−Base Interactions and Secondary Structures of Poly-l-Lysine Probed by 15N and 13C Solid State NMR and Ab initio Model Calculations
Alexandra Dos, Volkmar Schimming, Sergio Tosoni and Hans-Heinrich LimbachThe Journal of Physical Chemistry B2008 112 (49), 15604-15615The interactions of the 15N-labeled amino groups of dry solid poly-l-lysine (PLL) with various halogen and oxygen acids HX and the relation to the secondary structure have been studied using solid-state 15N and 13C CPMAS NMR spectroscopy (CP = cross ...
15N Nuclear Magnetic Resonance Studies of Acid−Base Properties of Pyridoxal-5‘-Phosphate Aldimines in Aqueous Solution
Shasad Sharif, Monique Chan Huot, Peter M. Tolstoy, Michael D. Toney, K. Hanna M. Jonsson, and Hans-Heinrich LimbachThe Journal of Physical Chemistry B2007 111 (15), 3869-387615N Nuclear Magnetic Resonance Studies of Acid−Base Properties of Pyridoxal-5‘-Phosphate Aldimines in Aqueous Solution
Shasad Sharif, Monique Chan Huot, Peter M. Tolstoy, Michael D. Toney, K. Hanna M. Jonsson, and Hans-Heinrich LimbachThe Journal of Physical Chemistry B2007 111 (15), 3869-3876By use of 15N NMR spectroscopy, we have measured the pKa values of the aldimines 15N-(pyridoxyl-5‘-phosphate-idine)-methylamine (2a), N-(pyridoxyl-5‘-phosphate-15N-idine)-methylamine (2b), and 15N-(pyridoxyl-idine)-methylamine (3). These aldimines model ...
Thermodynamic Investigation into the Mechanisms of Proton-Coupled Electron Transfer Events in Heme Protein Maquettes
Amit R. Reddi, Charles J. Reedy, Steven Mui, and Brian R. GibneyBiochemistry2007 46 (1), 291-305Thermodynamic Investigation into the Mechanisms of Proton-Coupled Electron Transfer Events in Heme Protein Maquettes
Amit R. Reddi, Charles J. Reedy, Steven Mui, and Brian R. GibneyBiochemistry2007 46 (1), 291-305To study the engineering requirements for proton pumping in energy-converting enzymes such as cytochrome c oxidase, the thermodynamics and mechanisms of proton-coupled electron transfer in two designed heme proteins are elucidated. Both heme protein ...
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- Received: August 03, 2009
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