LogP may refer to: Partition coefficient, the name of a ratio in organic and medicinal chemistry. LogP machine, a model for parallel computation. This...
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Partition coefficient (redirect from Log P)
org. Overview of the many logP and other physical property calculators available commercially and on-line. XLOGP3, a simple LogP estimator used by PubChem...
57 KB (6,373 words) - 01:43, 6 July 2025
The LogP machine is a model for parallel computation. It aims at being more practical than the PRAM model while still allowing for easy analysis of computation...
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as the pIC50 (or pEC50) of interest minus the LogP of the compound. LiPE = pIC 50 − log P {\displaystyle {\ce {LiPE}}={\ce {pIC50}}-\log P} In practice...
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logp(zw) = logpz + logpw. For z in the domain of expp, we have expp(logp(1+z)) = 1+z and logp(expp(z)) = z. The roots of the Iwasawa logarithm logp(z)...
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PMC 1568760. PMID 3905374. Kellogg GE, Abraham DJ (July 2000). "Hydrophobicity: is LogP(o/w) more than the sum of its parts?". European Journal of Medicinal Chemistry...
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called "cLogP". As the lipophilicity of ionizable compounds is strongly dependent of pH, the distribution coefficient logD, or a logP vs pH curve may...
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(known as "XLogP" or "ALogP") or by chemical fragment methods (known as "CLogP" and other variations). It has been shown that the logP of compound can...
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log p b ) {\displaystyle (\log _{p}a)/(\log _{p}b)} is either rational or transcendental, where logp is the p-adic logarithm function. The transcendence...
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and Leo54 found that blood-brain barrier penetration is optimal when the LogP values are in the range of 1.5-2.7, with the mean value of 2.1. An analysis...
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{X}}}p(x)\log p(x),} where Σ {\displaystyle \Sigma } denotes the sum over the variable's possible values. The choice of base for log {\displaystyle \log }...
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explicitly: H ( X ) = − p log 2 p − ( 1 − p ) log 2 ( 1 − p ) . {\displaystyle \operatorname {H} (X)=-p\log _{2}p-(1-p)\log _{2}(1-p).} Note that the values...
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tools have been referenced in cheminformatics studies for predicting pKa values and logP values. Cheminformatics Computational chemistry Molecular modeling...
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logarithmic form p K a = − log 10 K a = log 10 [ HA ] [ A − ] [ H + ] {\displaystyle \mathrm {p} K_{{\ce {a}}}=-\log _{10}K_{\text{a}}=\log _{10}{\frac...
103 KB (11,534 words) - 07:28, 2 June 2025
and Leo54 found that blood-brain barrier penetration is optimal when the LogP values are in the range of 1.5-2.7, with a mean value of 2.1. An analysis...
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partition coefficient in non-polar medium, as characterized by experimental logP 5.284 Myristamine oxide – An analogous compound with a C14 tail Birnie, C...
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PH (redirect from Negative pH)
solution pH = − log 10 ( a H + ) ≈ − log 10 ( [ H + ] / M ) {\displaystyle {\ce {pH}}=-\log _{10}(a_{{\ce {H+}}})\thickapprox -\log _{10}([{\ce {H+}}]/{\text{M}})}...
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ESPRESSO Thermodynamic properties of solvents and solutions (Solubility, LogP, VLE, LLE) with COSMO-RS Semi-empirical modules MOPAC and DFTB Parallelized...
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distribution P. Mathematically, it is defined as D KL ( P ∥ Q ) = ∑ x ∈ X P ( x ) log P ( x ) Q ( x ) . {\displaystyle D_{\text{KL}}(P\parallel Q)=\sum...
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exposure, after rapid deacetylation.) 2′-Acetoxycocaine has a closer to optimum LogP (a square value of 2) for blood–brain barrier penetration (cocaine being...
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Example (Lipinski's Rule of Five): 0:500[mw] 0:5[hbdc] 0:10[hbac] -5:5[logp] Chemical database CAS Common Chemistry - run by the American Chemical Society...
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p k ) ≥ k ( log k + log log k − 1 + log log k − 2.050735 log k ) for k ≥ 10 11 , ϑ ( p k ) ≤ k ( log k + log log k − 1 + log log...
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HyperLogLog is an algorithm for the count-distinct problem, approximating the number of distinct elements in a multiset. Calculating the exact cardinality...
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log log p n ⋅ log log log log p n log log log p n {\displaystyle \ {p_{n+1}-p_{n}}{>}{\frac {c\cdot \log p_{n}\cdot \log \log p_{n}\cdot...
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PMID 14554012. Free online calculations of Hydrogen bond donor/acceptor, mass and logP using ChemAxon's Marvin and Calculator Plugins – requires Java Calculation...
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The lipophilicity of fluorenol (LogP 2.4) is higher than that of drugs like modafinil (LogP 1.7) and amphetamine (LogP 1.8), suggesting that it may penetrate...
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p_{n})^{2}-\log p_{n}\qquad {\text{ for all }}n>4.} Moreover: g n < ( log p n ) 2 − log p n − 1 for all n > 9 , {\displaystyle g_{n}<(\log p_{n})^{2}-\log p_{n}-1\qquad...
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A skew-T log-P diagram is one of four thermodynamic diagrams commonly used in weather analysis and forecasting. In 1947, N. Herlofson proposed a modification...
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spectra. The log-spectral distance between spectra P ( ω ) {\displaystyle P\left(\omega \right)} and P ^ ( ω ) {\displaystyle {\hat {P}}\left(\omega...
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log Q ( Z ) P ( Z , X ) + log P ( X ) ] = ∑ Z Q ( Z ) [ log Q ( Z ) − log P ( Z , X ) ] + ∑ Z Q ( Z ) [ log P ( X ) ] {\displaystyle...
56 KB (11,235 words) - 18:32, 21 January 2025