Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Samuel W. Karickhoff"'
Publikováno v:
QSAR & Combinatorial Science. 23:709-720
Solvation models, based on fundamental chemical structure theory, were developed in the SPARC mechanistic tool box to predict a large array of physical properties of organic compounds in water and in non-aqueous solvents strictly from molecular struc
Publikováno v:
QSAR & Combinatorial Science. 22:917-925
SPARC chemical reactivity models were extended to calculate hydrolysis rate constants for carboxylic acid esters from molecular structure. The energy differences between the initial state and the transition state for a molecule of interest are factor
Publikováno v:
QSAR & Combinatorial Science. 22:565-574
The prototype computer program SPARC has been under development for several years to estimate physical properties and chemical reactivity parameters of organic compounds strictly from molecular structure. SPARC solute-solute physical process models h
Publikováno v:
Talanta. 50:827-840
Mathematical models based on structure-activity relationships and perturbed molecular orbital theory have been developed to calculate the ionization pK(a)s for a large number of organic molecules. These models include resonance, direct and indirect e
A Rigorous Test for SPARC's Chemical Reactivity Models: Estimation of More Than 4300 Ionization pKas
Publikováno v:
Quantitative Structure-Activity Relationships. 14:348-355
Ionization pKas for a large set of molecules were calculated using reactivity models developed in the computer program SPARC. SPARC uses relatively simple computational algorithms based on fundamental chemical structure theory to estimate ionization
Publikováno v:
Journal of Physical Organic Chemistry. 7:122-141
Ionization constants for 214 dye molecules were calculated from molecular structures using the chemical reactivity models developed in SPARC (SPARC Performs Automated Reasoning in Chemistry). These models used fundamental chemical structure theory to
Publikováno v:
Journal of Chromatography A. 662:269-280
A new type of a computer program called SPARC (SPARC Performs Automated Reasoning in Chemistry) was developed to predict chemical reactivity parameters and physical properties of organic molecules from their molecular structures based on fundmental c
Publikováno v:
Quantitative Structure-Activity Relationships. 12:389-396
Electron affinity for a wide range of organic molecules was calculated from molecular structure using the chemical reactivity models developed in SPARC. These models are based on fundamental chemical structure theory applied to the prediction of chem
Autor:
Valeta K. Mcdaniel, Donald Nute, Clyde Melton, Samuel W. Karickhoff, André Vellino, Lionel A. Carreira
Publikováno v:
Environmental Toxicology and Chemistry. 10:1405-1416
Mathematical models for predicting the fate of pollutants in the environment require reactivity parameter values —that is, the physical and chemical constants that govern reactivity. Although empirical structure-activity relationships have been dev
Autor:
Samuel W. Karickhoff, William C. Steen
Publikováno v:
Chemosphere. 10:27-32
In recognition of the need to estimate biosorption for natural microbial populations, the variability of partition coefficients for two hydrophobic pollutants to natural populations from a variety of aquatic systems was investigated. Biosorption part