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CHNOSZ (version 1.0.1)

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

1.0.1

License

GPL (>= 2)

Maintainer

Jeffrey Dick

Last Published

July 4th, 2013

Functions in CHNOSZ (1.0.1)

taxonomy

Extract Data from NCBI Taxonomy Files
buffer

Calculating Buffered Chemical Activities
findit

Gridded Search to Optimize Objective Functions
CHNOSZ-package

Chemical Thermodynamics and Activity Diagrams
eos

Equations of State
revisit

Plots and Optima of Objective Functions
protein.info

Summaries of Thermodynamic Properties of Proteins
EOSregress

Regress Equations-of-State Parameters for Aqueous Species
util.character

Functions to Manipulate Character Objects
IAPWS95

Properties of Water from IAPWS-95
transfer

Mass Transfer Calculations
util.plot

Functions to Create and Modify Plots
basis

Define Basis Species
util.formula

Functions to Work with Chemical Formulas
ionize.aa

Properties of Ionization of Proteins
diagram

Equilibrium Chemical Activity Diagrams
affinity

Chemical Affinities of Formation Reactions
thermo

Thermodynamic Database and System Definition
info

Search the Thermodynamic Database
equilibrate

Equilibrium Chemical Activities of Species
sideeffects

Side effects of functions in CHNOSZ
objective

Objective Functions
util.blast

Functions to Work with BLAST Output Files
util.units

Functions to Convert Units
swap.basis

Swap Basis Species
util.list

Functions to Work with Lists
anim.TCA

Functions to Make Animations
util.data

Functions to Work with the Thermodynamic Database
species

Species of Interest
eqdata

Read data from an EQ6 output file
util.affinity

Functions to Work With Chemical Affinities
read.expr

Experimental Data for Protein Abundances and Localizations
subcrt

Properties of Species and Reactions
extdata

Extra Data
examples

Run Examples from the Documentation
more.aa

Proteins from Model Organisms
protein

Examples of Calculations for Proteins
util.args

Functions for Processing Argument Lists
makeup

Parse Chemical Formulas
iprotein

Amino Acid Compositions of Proteins
util.expression

Functions to Express Chemical Formulas and Properties
util.misc

Functions for Miscellaneous Tasks
util.matrix

Functions for Various Matrix Operations
util.fasta

Functions for Reading FASTA Files and Downloading from UniProt
util.program

Functions for Various Programming Tasks
util.seq

Functions to Work with Sequence Data
water

Properties of Water
wjd

Gibbs Energy Minimization by Steepest Descent
util.array

Functions to Work with Multidimensional Arrays