Use of spectral mapping and stepwise regression analysis for the assessment of the relationship between chemical structure and biological activity of surfactants

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Abstract

The biological activity of 27 nonionic surfactants with different hydrophobic moiety and with different length of ethylene oxide chain was determined on 10 microbiological objects. Spectral mapping technique and stepwise regression analysis were used for the separation of the strength and selectivity of the biological effect of surfactants, and for the elucidation of the relationship between molecular structure and activity. It was found that both the strength and selectivity of the biological effect of surfactants differ considerably from each other and considerably depend on the molecular structure. It was established that the strength of the effect mainly depends on the hydrophobicity of surfactants whereas both the hydrophobicity and the length of polar ethylene oxide chain exert a significant influence on the selectivity indicating the involvement of hydrophobic and hydrophilic forces in the surfactant-target interaction.

Original languageEnglish
Pages (from-to)95-101
Number of pages7
JournalChemometrics and Intelligent Laboratory Systems
Volume39
Issue number1
DOIs
Publication statusPublished - Nov 1997

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Stepwise Regression
Surfactant
Bioactivity
Regression Analysis
Surface-Active Agents
Regression analysis
Surface active agents
Ethylene Oxide
Selectivity
Hydrophobicity
Molecular structure
Ethylene
Oxides
Nonionic surfactants
Relationships
Target
Interaction

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Statistics and Probability

Cite this

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abstract = "The biological activity of 27 nonionic surfactants with different hydrophobic moiety and with different length of ethylene oxide chain was determined on 10 microbiological objects. Spectral mapping technique and stepwise regression analysis were used for the separation of the strength and selectivity of the biological effect of surfactants, and for the elucidation of the relationship between molecular structure and activity. It was found that both the strength and selectivity of the biological effect of surfactants differ considerably from each other and considerably depend on the molecular structure. It was established that the strength of the effect mainly depends on the hydrophobicity of surfactants whereas both the hydrophobicity and the length of polar ethylene oxide chain exert a significant influence on the selectivity indicating the involvement of hydrophobic and hydrophilic forces in the surfactant-target interaction.",
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T1 - Use of spectral mapping and stepwise regression analysis for the assessment of the relationship between chemical structure and biological activity of surfactants

AU - Oros, G.

AU - Cserháti, T.

AU - Forgács, E.

PY - 1997/11

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AB - The biological activity of 27 nonionic surfactants with different hydrophobic moiety and with different length of ethylene oxide chain was determined on 10 microbiological objects. Spectral mapping technique and stepwise regression analysis were used for the separation of the strength and selectivity of the biological effect of surfactants, and for the elucidation of the relationship between molecular structure and activity. It was found that both the strength and selectivity of the biological effect of surfactants differ considerably from each other and considerably depend on the molecular structure. It was established that the strength of the effect mainly depends on the hydrophobicity of surfactants whereas both the hydrophobicity and the length of polar ethylene oxide chain exert a significant influence on the selectivity indicating the involvement of hydrophobic and hydrophilic forces in the surfactant-target interaction.

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