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CHNOSZ (version 0.9-4)

Chemical Thermodynamics and Activity Diagrams

Description

This package includes functions and data sets to support chemical thermodynamic modeling in biochemistry and low-temperature geochemistry. The features include calculation of the standard molal thermodynamic properties and chemical affinities of reactions involving minerals and/or biomolecules; a database of thermodynamic properties of aqueous, crystalline and gaseous species; amino acid group additivity for the standard molal thermodynamic properties of neutral and ionized proteins; use of the revised Helgeson-Kirkham-Flowers equations of state for aqueous species; construction of equilibrium activity diagrams as a function of temperature, pressure, and chemical activities or fugacities of basis species.

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Version

Install

install.packages('CHNOSZ')

Monthly Downloads

838

Version

0.9-4

License

GPL (>= 2)

Maintainer

Jeffrey Dick

Last Published

February 23rd, 2011

Functions in CHNOSZ (0.9-4)

buffer

Chemical Potential Buffers
eos

Equations of State
util.data

Modify the Thermodynamic Database
makeup

Chemical Formulas and Compositions
util.character

Functions to Manipulate Character Objects
util.blast

Functions to Work with BLAST Output Files
ionize

Ionization Properties of Proteins
CHNOSZ-package

Chemical Thermodynamics and Activity Diagrams
util.misc

Miscellaneous Utility Functions
util.array

Functions to Work with Multidimensional Arrays
get.protein

Proteins from Model Organisms
util.args

Functions for Processing Argument Lists
util.formula

Functions to Work with Chemical Formulas
info

Search the Thermodynamic Database
util.fasta

Functions for Accessing FASTA Files
taxonomy

Extract Data from NCBI Taxonomy Files
species

Species of Interest
examples

Run examples from the documentation
subcrt

Properties of Species and Reactions
util.units

Functions to Convert Units
get.expr

Protein Expression Data
transfer

Mass Transfer Calculations
util.stat

Miscellaneous Statistical Functions
anim.TCA

Functions to Make Animations
eqdata

Read data from an EQ6 output file
water

Properties of Water
util.plot

Functions to Create and Modify Plots
util.list

Functions to Work with Lists
protein

Properties of Proteins
basis

Basis Species
findit

Multidimensionally Optimize Chemical Activities
diagram

Calculate and Plot Equilibrium Chemical Activities of Species
thermo

Thermodynamic Database and System Definition
util.seq

Functions to Work with Sequence Data
logact

Calculate Logarithms of Activity of Species
revisit

Diversity Calculations for Chemical Species
affinity

Chemical Affinities of Formation Reactions