Bibliography

Helgeson, HC, Richard, L, McKenzie, WF, Norton, DL, and Schmitt, AM (2009).
A chemical and thermodynamic model of oil generation in hydrocarbon source rocks
Geochim. Cosmochim. Acta 73(3):594--695.

LaRowe, DE and Helgeson, HC (2007).
Quantifying the energetics of metabolic reactions in diverse biogeochemical systems: electron flow and ATP synthesis
Geobiology 5(2):153--168.

Dick, JM, LaRowe, DE, and Helgeson, HC (2006).
Temperature, pressure, and electrochemical constraints on protein speciation: Group additivity calculation of the standard molal thermodynamic properties of ionized unfolded proteins
Biogeosciences 3(3):311--336.

LaRowe, DE and Helgeson, HC (2006).
The energetics of metabolism in hydrothermal systems: Calculation of the standard molal thermodynamic properties of magnesium-complexed adenosine nucleotides and NAD and NADP at elevated temperatures and pressures
Thermochim. Acta 448:82 – 106.

LaRowe, DE and Helgeson, HC (2006).
Biomolecules in hydrothermal systems: Calculation of the standard molal thermodynamic properties of nucleic-acid bases, nucleosides, and nucleotides at elevated temperatures and pressures
Geochim. Cosmochim. Acta 70:4680 – 4724.

Amend, JP and Helgeson, HC (2001).
Response to "Group additivity calculations of the thermodynamic properties of unfolded proteins in aqueous solution: a critical comparison of peptide-based and HKF models"
Biophys. Chem. 89(2-3):265 – 267.

Richard, L and Helgeson, HC (2001).
Thermodynamic calculation of the distribution of organic sulfur compounds in crude oil as a function of temperature, pressure, and H2S fugacity
In: Water-Rock Interaction, Proceedings of the 10th International Symposium on Water-Rock Interaction, edited by Cidu, R.. Balkema, Exton, Pennsylvania, pages 333 – 335.

Amend, JP and Helgeson, HC (2000).
Calculation of the standard molal thermodynamic properties of aqueous biomolecules at elevated temperatures and pressures. II. Unfolded proteins
Biophys. Chem. 84(2):105 – 136.

Helgeson, HC (1999).
Thermodynamic prediction of the relative stabilities of hyperthermophilic enzymes
In: Chemical Thermodynamics, edited by Letcher, T. M.. Blackwell Science Ltd., Oxford, pages 301 – 312.

Helgeson, HC, Richard, L, McKenzie, WF, and Norton, DL (1999).
Thermodynamic constraints on the generation and maturation of petroleum in sedimentary basins
American Chemical Society, Fuel Chemistry Division Preprints 44:415 – 419.

Helgeson, HC, Owens, CE, Knox, AM, and Richard, L (1998).
Calculation of the standard molal thermodynamic properties of crystalline, liquid, and gas organic molecules at high temperatures and pressures
Geochim. Cosmochim. Acta 62(6):985 – 1081.

Richard, L and Helgeson, HC (1998).
Calculation of the thermodynamic properties at elevated temperatures and pressures of saturated and aromatic high molecular weight solid and liquid hydrocarbons in kerogen, bitumen, petroleum, and other organic matter of biogeochemical interest
Geochim. Cosmochim. Acta 62(23 – 24):3591 – 3636.

Amend, JP and Helgeson, HC (1997).
Group additivity equations of state for calculating the standard molal thermodynamic properties of aqueous organic species at elevated temperatures and pressures
Geochim. Cosmochim. Acta 61(1):11 – 46.

Amend, JP and Helgeson, HC (1997).
Solubilities of the common L-alpha-amino acids as a function of temperature and solution pH
Pure Appl. Chem. 69(5):935 – 942.

Amend, JP and Helgeson, HC (1997).
Calculation of the standard molal thermodynamic properties of aqueous biomolecules at elevated temperatures and pressures. Part 1. L-alpha-amino acids
J. Chem. Soc., Faraday Trans. 93:1927 – 1941.

Pokrovskii, VA and Helgeson, HC (1997).
Calculation of the standard partial molal thermodynamic properties of KCl0 and activity coefficients of aqueous KCl at temperatures and pressures to 1000°C and 5 kbar
Geochim. Cosmochim. Acta 61(11):2175 – 2183.

Pokrovskii, VA and Helgeson, HC (1997).
Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures: The system Al2O3-H2O-KOH
Chem. Geol. 137(3-4):221 – 242.

Sverjensky, DA, Shock, EL, and Helgeson, HC (1997).
Prediction of the thermodynamic properties of aqueous metal complexes to 1000°C and 5 kb
Geochim. Cosmochim. Acta 61(7):1359 – 1412.

Helgeson, HC, Richard, L, Owens, CE, and Amend, JP (1995).
The organic-inorganic interface in hydrothermal systems
In: Water-Rock Interaction, Proceedings of the 8th International Symposium on Water-Rock Interaction, Vladivostok, Russia, 15-19 August 1995, edited by Kharaka, Y. K. and Chudaev, O.. Balkema, pages 17 – 23.

Oelkers, EH, Helgeson, HC, Shock, EL, Sverjensky, DA, Johnson, JW, and Pokrovskii, VA (1995).
Summary of the apparent standard partial molal Gibbs free energies of formation of aqueous species, minerals, and gases at pressures from 1 to 5000 bars and temperatures from 25° to 1000°C
J. Phys. Chem. Ref. Data 24(4):1401--1560.

Pokrovskii, VA and Helgeson, HC (1995).
Thermodynamic properties of aqueous species and the solubilities of minerals at high pressures and temperatures: The system Al2O3-H2O-NaCl
Am. J. Sci. 295(10):1255 – 1342.

Ransom, B and Helgeson, HC (1995).
A chemical and thermodynamic model of dioctahedral 2:1 layer clay minerals in diagenetic processes: Dehydration of dioctahedral aluminous smectite as a function of temperature and depth in sedimentary basins
Am. J. Sci. 295(3):245 – 281.

Richard, L and Helgeson, HC (1995).
Calculation of the thermodynamic properties at elevated temperatures and pressures of high molecular weight organic compounds of geochemical interest
In: Water-Rock Interaction, Proceedings of the 8th International Symposium on Water-Rock Interaction, Vladivostok, Russia, 15-19 August 1995, edited by Kharaka, Y. K. and Chudaev, O.. Balkema, Exton, Pennsylvania, pages 263 – 267.

Helgeson, HC and Amend, JP (1994).
Relative stabilities of biomolecules at high temperatures and pressures
Thermochim. Acta 245:89 – 119.

Pokrovskii, VA and Helgeson, HC (1994).
Solubility of petroleum in oil-field waters as a function of the oxidation state of the system
Geology 22(9):851 – 854.