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Ratio of concentrations in a mixture at equilibrium
In the physical sciences, a partition coefficient (P) or distribution coefficient (D) is the ratio of concentrations of a compound in a mixture of two
Partition_coefficient
Measure of solubility of general anaesthetics in blood
Blood–gas partition coefficient, also known as Ostwald coefficient for blood–gas, is a term used in pharmacology to describe the solubility of inhaled
Blood–gas partition coefficient
Blood–gas_partition_coefficient
Measure of lipophilicity and hydrophilicity
The n-octanol-water partition coefficient, Kow is a partition coefficient for the two-phase system consisting of n-octanol and water. Kow is also frequently
Octanol-water partition coefficient
Octanol-water_partition_coefficient
Gas law regarding proportionality of dissolved gas
solutes. Pervaporation – Industrial liquid purification method Partition coefficient – Ratio of concentrations in a mixture at equilibrium Scientific
Henry's_law
Type of chemical equilibrium
distributes or partitions itself between two immiscible solvents. It is called the partition coefficient or distribution coefficient. See: Partition chromatography
Partition_equilibrium
Chemical compound
the stratum corneum/water partition coefficient, and K w / o {\displaystyle K_{w/o}} is the water/octanol partition coefficient. The values of a and b vary
1-Octanol
Partitioning of elements in a mineral
interior. In addition, numerous studies have focused on looking at the partition coefficients of certain elements in the basaltic magma to characterize the composition
Compatibility_(geochemistry)
Chemical compound
polar rather than non-polar environments. In two-phase systems, bronopol partitions preferentially into the polar (usually aqueous) phase. In aqueous solutions
Bronopol
chemistry. The fluorous character of a molecule can be assessed by its partition coefficient between a perfluorocarbon and a hydrocarbon. In the following table
Fluorous_chemistry
Distribution of a solute between two immiscible solvents
solvents. C1/C2 = Kd Where Kd is called the distribution coefficient or the partition coefficient. Concentration of X in solvent A/concentration of X in
Distribution_law
Topics referred to by the same term
Look up partition in Wiktionary, the free dictionary. Partition may refer to: Partition (1987 film), directed by Ken McMullen Partition (2007 film), directed
Partition
Electrochemical interface that is either polarisable or polarised
tetra-pentafluorophenyl borate. Contrary to a neutral solute, the partition coefficient of an ion depends on the Galvani potential difference between the
ITIES
Set of laboratory techniques for separation of mixtures
the differential partitioning between the mobile and the stationary phases. Subtle differences in a compound's partition coefficient result in differential
Chromatography
Compound that induces a loss of consciousness
anesthesia onset, as will the extent of pulmonary blood flow. The partition coefficient of a gaseous drug is indicative of its relative solubility in various
General_anaesthetic
Rule of thumb to predict if a chemical compound is likely to be an orally active drug
molecular mass less than 500 daltons A calculated octanol-water partition coefficient (Clog P) that does not exceed 5 Note that all numbers are multiples
Lipinski's_rule_of_five
Drug that causes anesthesia
comparison. Most important of those properties is known as the blood/gas partition coefficient. This concept refers to the relative solubility of a given agent
Anesthetic
method in 1941. The article contains both the theory in terms of the partition coefficient of a compound, and application to the separation of amino acids
Partition_chromatography
Level of water-borne toxins in an organism
bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (KOW), bioconcentration factors (BCF), bioaccumulation factors (BAF)
Bioconcentration
solvent in each phase. The term is often confused with partition coefficient or distribution coefficient. The ratio of activities of a solute, A in an aqueous/organic
Distribution_constant
Subdiscipline of chemistry concerned with chemical equilibrium
{aqueous\;phase} }}}} The partition coefficient is defined at a specified temperature and, if applicable, pH of the aqueous phase. Partition coefficients are very important
Equilibrium_chemistry
Decomposition of an integer as a sum of positive integers
In number theory and combinatorics, a partition of a non-negative integer n, also called an integer partition, is a way of writing n as a sum of positive
Integer_partition
Solvent interface of a solute
electrolyte can be linked to the statistical component of the activity coefficient of the electrolyte and to the ratio between the apparent molar volume
Solvation_shell
Technique in analytical chemistry
analytes may do the opposite. That is, the analytes may have different partition coefficients, leading to the separation of the analytes. The interaction between
High-performance liquid chromatography
High-performance_liquid_chromatography
Concept in drug design
the octanol-water partition coefficient, known as LogP, is used to predict the solubility of a potential oral drug. This coefficient can be experimentally
Druglikeness
Indicator for how well data points fit a line or curve
In statistics, the coefficient of determination, denoted R2 or r2 and pronounced "R squared", is the proportion of the variation in the dependent variable
Coefficient_of_determination
Numerical measure of a statistical relationship between variables
A correlation coefficient is a numerical measure of some type of linear correlation, meaning a linear function between two variables. The variables may
Correlation_coefficient
phases according to its partition coefficient which is also called the distribution coefficient, distribution constant, or partition ratio and is represented
Countercurrent_chromatography
Number of subsets of a given size
the binomial coefficients are the positive integers that occur as coefficients in the binomial theorem. Commonly, a binomial coefficient is indexed by
Binomial_coefficient
Number of partitions of an integer
In number theory, the partition function p(n) represents the number of possible partitions of a non-negative integer n. For instance, p(4) = 5 because
Partition function (number theory)
Partition_function_(number_theory)
Measure of linear correlation
statistics, the Pearson correlation coefficient (PCC), also known as Pearson's r, the Pearson product-moment correlation coefficient (PPMCC), or simply the unqualified
Pearson correlation coefficient
Pearson_correlation_coefficient
How drugs induce reversible suppression of consciousness
their olive oil/water partition coefficient. He found a nearly linear relationship between potency and the partition coefficient for many types of anaesthetic
Theories of general anaesthetic action
Theories_of_general_anaesthetic_action
Topics referred to by the same term
LogP may refer to: the logarithm of the partition coefficient, in the physical sciences LogP machine, a model for parallel computation This disambiguation
LogP
Predictive chemical model
all similar molecules have similar activities. Analogously, the "partition coefficient"—a measurement of differential solubility and itself a component
Quantitative structure–activity relationship
Quantitative_structure–activity_relationship
Any of the fifteen lanthanides plus scandium and yttrium
Fractionation is in turn a function of the partition coefficients of each element. Partition coefficients are responsible for the fractionation of trace
Rare-earth_element
Device to estimate blood alcohol concentration
January 2013. Gullberg RG (2005-01-01). "Determining the Air/Water Partition Coefficient to Employ when Calibrating Forensic Breath Alcohol Test Instruments"
Breathalyzer
Chemical compound
hydrogen bond is about 50 kJ/mol, but it also has high experimental partition coefficient in non-polar medium, as characterized by experimental logP 5.284
Lauryldimethylamine_oxide
Method to separate compounds or metal complexes
is important. The partition coefficient is a thermodynamic equilibrium constant and has a fixed value for the solute’s partitioning between the two phases
Liquid–liquid_extraction
System to differentiate drugs on the basis of their solubility and permeability
mass-balance determination or in comparison to an intravenous dose. ADME Partition coefficient Bioavailability Drug metabolism First pass effect Polar surface
Biopharmaceutics Classification System
Biopharmaceutics_Classification_System
Alpha-adrenergic agonist
version. Clonidine is fairly lipid soluble with the logarithm of its partition coefficient (log P) equal to 1.6; to compare, the optimal log P to allow a drug
Clonidine
Nonparametric measure of rank correlation
In statistics, Spearman's rank correlation coefficient or Spearman's ρ is a number ranging from -1 to 1 that indicates how strongly two sets of ranks
Spearman's rank correlation coefficient
Spearman's_rank_correlation_coefficient
change in temperature to the change in a material's dimensions. Partition coefficient (KD) (chemistry) - The ratio of concentrations of a compound in
Physical_coefficient
Expansion coefficients in statistical mechanics
obtaining a closed expression for virial coefficients is a cluster expansion of the grand canonical partition function Ξ = ∑ n λ n Q n = e ( p V ) / (
Virial_coefficient
Element not easily hosted in a crystal lattice
sites of the minerals in which it is included. It is defined by a partition coefficient between rock-forming minerals and melt being much smaller than 1
Incompatible_element
Parameter used in drug design
logarithm of the ratio of potency (measured as binding energy) and the partition coefficient to compute a lipophilic ligand efficiency index (LE) with a different
Lipophilic_efficiency
Form of chromatography
in 1981. In MLC, there are three partition coefficients which must be taken into account. The solute will partition between the water and the stationary
Micellar liquid chromatography
Micellar_liquid_chromatography
Chemical compound
pharmaceutical formulations. PEG 400 is strongly hydrophilic. The partition coefficient of PEG 400 between hexane and water is 0.000015 (log P = − 4.8 {\displaystyle
PEG_400
Volatile anaesthesia medication
pressure (mmHg at 20 °C) 22.5 Partition coefficient (Blood:Gas) 12 Partition coefficient (Oil:Gas) 950 Partition coefficient (Oil:Water) 400 Specific gravity
Methoxyflurane
Relative measure of dispersion expressed as the ratio of standard deviation to the mean
In probability theory and statistics, the coefficient of variation (CV), also known as normalized root-mean-square deviation (NRMSD), and relative standard
Coefficient_of_variation
Set of accepted specifications
106 Adsorption – Desorption Using a Batch Equilibrium Method 107 Partition coefficient (n-octanol/water): Shake Flask Method 108 Complex formation ability
OECD Guidelines for the Testing of Chemicals
OECD_Guidelines_for_the_Testing_of_Chemicals
Modeling the body's responses to drugs
incoming arterial blood concentration, Pi the tissue over blood partition coefficient and Vi the volume of compartment i. A complete set of differential
Physiologically based pharmacokinetic modelling
Physiologically_based_pharmacokinetic_modelling
Equilibrium partitioning (EqP) predicts the bioavailable concentration of a chemical under given sediment conditions by using partition coefficients. The bioavailable
Equilibrium partitioning sediment benchmark
Equilibrium_partitioning_sediment_benchmark
Chemical equilibrium of a reversible reaction
constants for dynamic equilibrium involving phase changes include partition coefficient and solubility product. Raoult's law defines the equilibrium vapor
Dynamic_equilibrium
buffer biphasic solvent system. The distribution coefficient (Kc which coincides with partition coefficient) of atabrine varied by the composition of the
Countercurrent_distribution
Benzodiazepine sedative
donors. Diazepam is moderately lipophilic with LogP (Octanol-Water Partition Coefficient) value of 2,82 and hydrophilic with a TPSA (Topological Polar Surface
Diazepam
Class of antidepressant medication
Bioavailability (%) VdTooltip Volume of distribution (L/kg) logPTooltip Partition coefficient PPBTooltip Plasma protein binding (%) Major metabolic enzymes (additional)
Selective serotonin reuptake inhibitor
Selective_serotonin_reuptake_inhibitor
Advanced Practice Registered Nurse with expertise in anesthesia
intubation Rapid sequence induction Scientific principles Blood–gas partition coefficient Concentration effect Fink effect Minimum alveolar concentration
Nurse_anesthetist
General anaesthetic
a minimum alveolar concentration (MAC) of 0.74%. Its blood/gas partition coefficient of 2.4 makes it an agent with moderate induction and recovery time
Halothane
Phenomenon of drug metabolism
excretion Biopharmaceutics Classification System Enteral administration Partition coefficient Rowland, Malcolm (January 1972). "Influence of route of administration
First_pass_effect
Respiration of oxygen-rich liquid by a normally air-breathing organism
Potential Respiratory Media: Application to Oxygen Solubility, Partition Coefficient, Viscosity, Vapor Pressure, and Density". ASAIO Journal. 42 (6):
Liquid_breathing
Substance added to improve solubility
an Environmental Toxicology and Chemistry paper, among them the partition coefficient, surface tension, dielectric constant, interfacial tension, and
Cosolvent
Values of chemical properties
descriptor for microenvironment was derived from the octanol-water partition coefficient, (known as Rekker's Fragmental Constants) widely used for pharmacophores
Hydrophobicity_scales
Trichloro-nitro-methane
mole. The octanol-water partition coefficient (Kow) of chloropicrin is estimated to be 269. Its soil adsorption coefficient (Koc; normalized to soil
Chloropicrin
Change in energies of a thermodynamic system with respect to particle number
including melting, boiling, evaporation, solubility, osmosis, partition coefficient, liquid-liquid extraction and chromatography. In each case the chemical
Chemical_potential
Inhalational anesthesia medication
30 age group. Desflurane has a blood-to-gas partition coefficient of 0.42, with a blood-to-gas coefficient of 0.47. Emergence from desflurane after an
Desflurane
Method of administering medication
physicochemical properties of the drug, for example, its oil/water partition coefficient, molecular weight, structural conformation, determines whether the
Buccal_administration
Chemical compound
significant solubility in both water and lipids (octanol-water partition coefficient = 0.41). Gallium maltolate delivers gallium with higher oral bioavailability
Gallium_maltolate
Medical diagnostic method
substances like acetone (partition coefficient λ b:air = 340 {\displaystyle \lambda _{\text{b:air}}=340} ) or isoprene (partition coefficient λ b:air = 0.75 {\displaystyle
Breath_gas_analysis
Topics referred to by the same term
Kowloon station (MTR), Hong Kong, MTR station code KOW Octanol-water partition coefficient, Kow Kow Nkensen Arkaah (1927–2001), Ghanaian politician Kow Otani
Kow
Chemical compound
acetate ester of estradiol. The experimental log octanol/water partition coefficient (log P) of estradiol valerate is 5.6. Estradiol valerate was patented
Estradiol_valerate
Ability of two substances to form a homogeneous solution when mixed
Oxford. ISBN 9780199655304. Sangster, J. (1997-05-28). Octanol-Water Partition Coefficients: Fundamentals and Physical Chemistry. John Wiley & Sons. ISBN 9780471973973
Miscibility
Chemical compound
water solubility of 0.17±0.07 μg·l−1 (25 °C). The octanol-water partition coefficient (log KOW) is 7.93. UV-328 is a light stabilizer for a variety of
UV-328
Lowest perceivable odor concentration
in air. Concentration in the food. Solubility in oil and water. Partition coefficient between the air and the food. The pH of the food. Some aroma compounds
Odor_detection_threshold
Statistical modeling method
explanatory variable with a slope coefficient. A multiple regression e right hand side, each with its own slope coefficient Rencher, Alvin C.; Christensen
Linear_regression
Chemical compound
an experimentally determined equilibrium constant at 25 °C. The partition coefficient log POW is measured to −0.85. Since the density of DMF (0.95 g·cm−3
Dimethylformamide
Approximate quantum chemistry model
thermodynamic equilibrium properties such as activity coefficients, solubility, partition coefficients, vapor pressure and free energy of solvation. The method
COSMO-RS
Region from 660 to 2900 km below Earth's surface
This spin transition of the iron cation results in the increase in partition coefficient between ferropericlase and bridgmanite to 10–14 depleting bridgmanite
Lower_mantle
Antihistamine medication
cetirizine enantiomers: comparison of three different tissue-to-plasma partition coefficients: K(p), K(p,u), and K(p,uu)". Drug Metabolism and Disposition. 34
Cetirizine
coefficients are measures of interactions that involve “solutes that participate in a reaction in solution.” Binding constant Partition coefficient Binding
Binding_coefficient
Lowering the temperature of a liquid below its freezing point without it becoming a solid
composition, C S L = C 0 {\displaystyle C^{SL}=C_{0}} , and the partition coefficient, k = C S L / C L S {\displaystyle k=C^{SL}/C^{LS}} , can be assumed
Supercooling
arithmetical coefficient similar to, but more recondite than, the rank of a partition; I shall call this hypothetical coefficient the "crank" of the partition and
Crank_of_a_partition
Class of chemical compounds
classified as persistent and their physical properties (octanol-water partition coefficient (logKOW) 4.4–8, depending on the chlorination degree) imply a high
Chlorinated_paraffins
Medically induced loss of consciousness
intubation Rapid sequence induction Scientific principles Blood–gas partition coefficient Concentration effect Fink effect Minimum alveolar concentration
General_anaesthesia
Substance dissolving a solute resulting in a solution
of water-miscible solvents Lyoluminescence Occupational health Partition coefficient (log P) is a measure of differential solubility of a compound in
Solvent
Barbiturate general anesthetic
into muscle and fatty tissue, due to its very high lipid–water partition coefficient (approximately 10), leading to sequestration in fatty tissue. Once
Sodium_thiopental
mobile phase the compounds of the mixtures elute according to their partition coefficients: V e l u t i o n = V d e a d − v o l u m e + K u p p e r / l o w
Centrifugal partition chromatography
Centrifugal_partition_chromatography
Chemical process
12)}} The value of constant KN depends on temperature and is called partition coefficient. This equation is valid if concentrations are not too large and
Absorption_(chemistry)
Medication applied to body surfaces
concentration when being applied on skin. Despite CYP450 enzyme action, the partition coefficient (K) determines the activity of topical drugs. The ability of drug
Topical_medication
Topics referred to by the same term
player ISO 639-3 code for Kpati language Soil Organic Carbon-Water Partitioning Coefficient, the ratio of the adsorbed organic analyte to the dissolved King
KOC
Type of water-based wood preservative
non-volatile and highly soluble in water, with near zero octanol-water partition coefficient. Another quaternary ammonium cation used in some formulations is
Alkaline_copper_quaternary
Chemical compound
factor (BCF) in fish in a range of 600-1600 and a log octanol-water partition coefficient (Log Kow) of around 5.5 (5.3 – 5.9). Given its lack of bioaccumulation
Galaxolide
Chemical compound
(August 2021). "Determination of low-density polyethylene–water partition coefficients for novel halogenated flame retardants with the large volume model
Low-density_polyethylene
Decongestant medication
with water molecules as well. Indeed, the log P (Octanol/Water Partition Coefficient) value of phenylephrine is —0.3, which shows the strong hydrophilicity
Phenylephrine
Pumping fluids or gas through pipes
volatilize before equilibrating with water. Using the octanol-water partition coefficient and a 100-year precipitation event for the area, a worst-case estimate
Pipeline
Large area of molten rock on the surface of a planet
Yaxley, G. (1997). "Prediction of siderophile element metal-silicate partition coefficients to 20 GPa and 2800°C: the effects of pressure, temperature, oxygen
Magma_ocean
Tricyclic antidepressant
Amitriptyline is a highly lipophilic molecule having an octanol-water partition coefficient (pH 7.4) of 3.0, while the log P of the free base was reported as
Amitriptyline
Chemical compound
DBP is leached from landfills. As reflected by its octanol-water partition coefficient of around 4, it is lipophilic, which means that it is not readily
Dibutyl_phthalate
Aggregation of non-polar molecules in aqueous solutions
quantified by measuring the partition coefficients of non-polar molecules between water and non-polar solvents. The partition coefficients can be transformed to
Hydrophobic_effect
Chemical compound
17β-dienanthate, has also been used. The experimental octanol/water partition coefficient (logP) of estradiol enanthate is 6.7. Estradiol enanthate was first
Estradiol_enanthate
Past magnetic field of the planet Mars
high sulfur content - powers dynamo based on the light element partitioning coefficient Mechanical Impact events - reduces global heat flow at the core
Magnetic_field_of_Mars
Class of drugs
androgenic/anabolic potency). c = Experimental or predicted octanol/water partition coefficient (i.e., lipophilicity/hydrophobicity). Retrieved from PubChem, ChemSpider
Anabolic_steroid
PARTITION COEFFICIENT
PARTITION COEFFICIENT
Biblical
perdition, destruction
Boy/Male
Biblical
That hears, or obeys, perdition.
Boy/Male
Biblical
That hears, or obeys, perdition.
Boy/Male
Indian, Sikh
A Partition in the World
Girl/Female
Biblical Greek Latin
Perdition, destruction.
Boy/Male
Arabic
Partition; Curtain
Biblical
Shimeath, that hears, or obeys; perdition
Boy/Male
Hindu, Indian, Traditional
Noble Partition
Male
English
Hebrew name SHELAH means "a petition, prayer." In the bible, this is the name of a son of Judah. Compare with another form of Shelah.
Girl/Female
Arabic, Gujarati, Hindu, Indian, Kannada, Muslim, Punjabi, Sikh
Wish; Petition to God; Special Prayer
PARTITION COEFFICIENT
PARTITION COEFFICIENT
Male
English
Farmer
Boy/Male
Indian
Infinity
Girl/Female
Hindu, Indian
Holy River
Surname or Lastname
English
English : probably a variant spelling of Purcell, or alternatively of Percil (from Old French percer ‘to pierce’ + soel, suel ‘threshold’).
Boy/Male
Celtic
Nobleman.
Boy/Male
Tamil
Prashila | பà¯à®°à®·à¯€à®²à®¾
Male
English
Variant spelling of English unisex Leighton, LAYTON means "leek garden."
Boy/Male
Tamil
Baidyanath | பைதà¯à®¯à®¨à®¾à®¤
Lord Shiva
Boy/Male
Indian, Sikh
God's Blessing
Boy/Male
Tamil
PARTITION COEFFICIENT
PARTITION COEFFICIENT
PARTITION COEFFICIENT
PARTITION COEFFICIENT
PARTITION COEFFICIENT
imp. & p. p.
of Partition
v.
The act of parting or dividing; the state of being parted; separation; division; distribution; as, the partition of a kingdom.
v. t.
To make a prayer or request to; to ask from; to solicit; to entreat; especially, to make a formal written supplication, or application to, as to any branch of the government; as, to petition the court; to petition the governor.
v.
A score.
v. t.
To divide into parts or shares; to divide and distribute; as, to partition an estate among various heirs.
v.
The servance of common or undivided interests, particularly in real estate. It may be effected by consent of parties, or by compulsion of law.
v. t.
To divide into distinct parts by lines, walls, etc.; as, to partition a house.
n.
A word expressing partition, or denoting a part.
a.
With two partitions or septa.
n.
Destruction; perdition.
v.
A part divided off by walls; an apartment; a compartment.
p. pr. & vb. n.
of Partition
v.
That which divides or separates; that by which different things, or distinct parts of the same thing, are separated; separating boundary; dividing line or space; specifically, an interior wall dividing one part or apartment of a house, an inclosure, or the like, from another; as, a brick partition; lath and plaster partitions.
n.
A separating tissue; a partition; a septum.
a.
Denoting a part; as, a partitive genitive.
a.
Divided by partition or partitions; having septa; as, a septate pod or shell.
n.
A partition between flues in a chimney.
n.
Parturition.
v. i.
To make a petition or solicitation.
n.
A screen or partition wall behind an altar.