Detection of biologically active diterpenoic acids by Raman Spectroscopy

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Detection of biologically active diterpenoic acids by Raman Spectroscopy

Authors
Publisher
John/Wiley & Sons Ltd.
Keywords
  • Three Poorly Detectable
  • Biologically Active Diterpenoic Acids
  • Kaurenoic
  • Abietic
  • And Gibberellic Acid
  • Were Studied By Using Different Modes Of Raman Spectroscopy
  • Because Of Their Structural Similarities
  • In The Absence Of Strongly Polarizable Groups
  • Conventional Raman Spectroscopy Is Not Suitable For Their Unambiguous Identification
  • Especially Not In Solution
  • We Attempted To Increase The Sensitivity By Applying Uv-Resonance Raman Spectroscopy And Surface-Enh
  • The Uv-Raman Spectra Of The Three Compounds In Ethanol/Water 50 : 50 Showed Only Very Few Enhanced R
  • Sers Spectra With 514-Nm Excitation With Ag Colloids Were Also Relatively Weak
  • The Best Sers Spectrawere Obtained With 785-Nm Excitation On A Novel Nanostructured Substrate
  • 'Black Silicon' Coated With A 400-Nm Gold Layer
  • The Spectra Showed Clear Differences
  • And These 'Fingerprints' Would Be Suitable For The Unambiguous Identification Of These Diterpenoic A

Abstract

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