Laser Raman spectra of mono-, oligo- and polysaccharides in solution

Barrett, T. W.

doi:10.1016/0584-8539(81)80168-7

Cited by 43 publications

(29 citation statements)

References 11 publications

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“…For the aqueous solutions the intensity is higher than for the amorphous materials, but In this low-wavenumber range the skeletal vibrational motions, υ(C-C-C), υ(C-C-O), υ(C-O) and C-C), dominate. 5,8,13,23,32 Wells and Atalla 13 suggested the possible contribution also of fairly pure OH proton motions in this spectral range but we found no evidence of that with the force field we used. We found that hydrogen movement is very limited in this spectral range.…”

Section: Glucosecontrasting

confidence: 57%

“…It seems to be more appropriate to assign the bands at 848 and 916 cm 1 to˛-glucose and the bands at 868 and 894 cm 1 toˇ-glucose. Other workers have also suggested contributions from (C-C) 8,23,32 and (C-H) 8,24 motions over this range. Contributions from (C-O) vibrations have been suggested by Hineno 23 and Korolevich et al 32 Wells and Atalla 13 assigned these 'anomeric bands' to skeletal modes involving the anomeric carbon, which would explain the relatively large wavenumber shift between the˛-andˇ-glucose vibrations.…”

Section: Glucosementioning

confidence: 78%

“…The vibrational bands in this spectral range involve mainly CH deformations and CH 2 group motions. 3,5,8,13,23,24,32 The normalization was done by dividing the spectrum with the sum of the intensities of these.…”

Section: Normalization Of the Spectramentioning

confidence: 99%

“…Although Raman spectroscopy has been used in studies of food materials for various purposes, 4 we have found no Raman spectra of amorphous sugars in the literature. However, Raman spectra of D-glucose 3,5 -9 and D-fructose 3,7,8,10 and similar molecules 11,12 in their aqueous solution and in the crystalline phase 13,14 as well as IR spectra of several of these carbohydrates 15 -23 have been reported. Band assignments in those studies were based on extensive normal coordinate calculations.…”

Section: Introductionmentioning

confidence: 99%

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Raman spectra of fructose and glucose in the amorphous and crystalline states

Söderholm

Roos

Meinander

et al. 1999

J Raman Spectroscopy

124

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Raman spectra of glucose and fructose are reported in the region 20-4000 cm −1 . The spectra were recorded for the crystalline sugars, amorphous sugars with varying water contents and aqueous solutions with varying sugar contents. The Raman spectra of amorphous carbohydrates have not been reported previously. They are very similar to those of the aqueous solutions. Several vibrational bands were found to be sensitive to water, especially for the amorphous samples containing small amounts of water.

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Section: Glucosecontrasting

confidence: 57%

Section: Glucosementioning

confidence: 78%

Section: Normalization Of the Spectramentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Raman spectra of fructose and glucose in the amorphous and crystalline states

Söderholm

Roos

Meinander

et al. 1999

J Raman Spectroscopy

124

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“…Glycoproteins and mucin could make the major contribution to this component [47,48]. Several strong Raman peaks of the second component are assigned to acetates (632, 1295, 1434, and 1744 cm -1 ) [49][50][51] and carbohydrates (323 cm -1 and 521 cm -1 ) [46,52], which are also present in saliva [53][54][55]. This spectral component shows (Figure 1.C, curve c) minute spectral regions with a flat horizontal shape (zero intensity level), which are the result of the nonegativity constrain used for calculating meaningful Raman spectral components.…”

Section: Raman Spectroscopic Signature Of Salivamentioning

confidence: 99%

Discriminant Analysis of Raman Spectra for Body Fluid Identification for Forensic Purposes

Sikirzhytski

Virkler

Lednev

et al. 2010

AIP Conference Proceedings

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Detection and identification of blood, semen and saliva stains, the most common body fluids encountered at a crime scene, are very important aspects of forensic science today. This study targets the development of a nondestructive, confirmatory method for body fluid identification based on Raman spectroscopy coupled with advanced statistical analysis. Dry traces of blood, semen and saliva obtained from multiple donors were probed using a confocal Raman microscope with a 785-nm excitation wavelength under controlled laboratory conditions. Results demonstrated the capability of Raman spectroscopy to identify an unknown substance to be semen, blood or saliva with high confidence.

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Temperature dependence of the Raman spectra of amorphous glucose in the glassy and supercooled liquid states

Söderholm

Roos

Meinander

et al. 2000

J. Raman Spectrosc.

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The Raman spectra of amorphous glucose between 300 and 4000 cm−1 over the temperature range 15–55 °C are reported. The spectra were recorded at several temperatures both below and above the glass transition temperature, Tg. A two‐dimensional covariance spectrum was computed and a least‐squares analysis was used to quantify the temperature dependences observed in the spectra. Several vibrational bands were found to be sensitive to the temperature of the material. Some bands also show a changing temperature dependence around the glass transition. A Fermi‐type function was found to be suitable as an empirical phenomenological model for the observed changes in the spectra. The wavenumber shifts and intensity changes observed in the spectrum were related to the intramolecular vibrations by a normal coordinate analysis of a single glucose molecule. The spectral changes in the ν(O–H) stretching region suggest a weakening of the hydrogen bond network at the glass transition. Other observed spectral changes suggest a weakening of the van der Waals interactions with increasing temperature, but these changes seem not to be related to the glass transition. Copyright © 2000 John Wiley & Sons, Ltd.

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Laser Raman spectra of mono-, oligo- and polysaccharides in solution

Cited by 43 publications

References 11 publications

Raman spectra of fructose and glucose in the amorphous and crystalline states

Raman spectra of fructose and glucose in the amorphous and crystalline states

Discriminant Analysis of Raman Spectra for Body Fluid Identification for Forensic Purposes

Temperature dependence of the Raman spectra of amorphous glucose in the glassy and supercooled liquid states

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