Hyper-Raman spectroscopy of biologically important molecules

Marble, Christopher B.; Xu, Xingqi; Marble, Kassie S.; Petrov, Georgi I.; Wang, Dawei; Yakovlev, Vladislav V.

doi:10.1117/12.2545215

Cited by 5 publications

(17 citation statements)

References 26 publications

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“…The study includes the analyses of the selection rule and the molecular symmetry and the finding of the unique HR bands about the investigations of organic [ 8–11 ] or inorganic compounds, [ 12,13 ] H 2 O, [ 14 ] and biomolecules. [ 15–17 ] An application to microscopy enables the analysis of the IR‐active modes of an object with a high spatial resolution. [ 18 ] The resonance effect is beneficial to enhance the weak HR signal intensity.…”

Section: Introductionmentioning

confidence: 99%

Resonance hyper‐Raman spectroscopy of deoxythymidine monophosphate

Hiramatsu

2021

J Chinese Chemical Soc

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A 532 nm‐excited resonance hyper‐Raman (HR) spectrum of deoxythymidine is reported. The 532 nm excitation satisfies the two‐photon resonance condition to the ππ* absorption band of the pyrimidine ring at 250–280 nm, and hence we recorded the resonance HR spectrum with high signal‐to‐noise ratio. The resonance HR spectrum of deoxythymidine is compared with its 266 nm‐excited resonance Raman spectrum. The remarkable similarity between these spectra indicates that the single electronic structure contributes to the resonance effect in each case. The peak assignment is given for the RHR bands by analogy with that for the resonance Raman spectrum. This study offers the fundamental information to study DNA using the HR spectroscopy.

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Section: Introductionmentioning

confidence: 99%

Resonance hyper‐Raman spectroscopy of deoxythymidine monophosphate

Hiramatsu

2021

J Chinese Chemical Soc

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“…[ 8,9 ] Several reports are available on the application of HR spectroscopy to biomolecules. [ 10–13 ]…”

Section: Figurementioning

confidence: 99%

Unique non‐resonance hyper‐Raman bands of glucose in phosphate‐buffered saline

Maity

Hiramatsu

2022

J Raman Spectroscopy

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We report the 532 nm‐excited hyper‐Raman (HR) spectrum of D‐glucose in phosphate‐buffered saline (PBS) at pH 7.4. Large and unique HR bands were observed from 1500 to 1650 cm−1. The HR spectral pattern was completely different from those of infrared absorption and Raman spectra. The HR bands were affected by isotope labeling on glucose but not phosphate. The HR bands were attributed to the combination or overtone modes of glucose. These bands were also observed in buffers containing phosphate, carbonate, and Tris but not in H2O. We tentatively attributed the origin of the HR bands to the charges of the buffer molecule(s) and the resultant electric field effect on the electronic and/or vibrational wavefunctions.

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“…Hyper-Raman spectroscopy (HRS) has recently gained attention as a promising new method to probe Raman silent vibrational modes. [18][19][20][21][22][23][24][25][26][27][28][29] HRS is a three-photon scattering process where two incident photons (ω p ) are annihilated and a single photon at a frequency 2ω p ± ω v is generated, where ω v is the frequency of the vibrational mode of the molecule. [29][30][31][32][33] HRS has distinct selection rules, but critically, all IR active modes are HRS active and, as such, HRS can provide complementary vibrational information to Raman spectroscopy (RS).…”

Section: Introductionmentioning

confidence: 99%