2002
DOI: 10.1021/ac020115g
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Detection and Identification of Aqueous Saccharides by Using Surface-Enhanced Raman Spectroscopy

Abstract: The sensitive detection and characterization of carbohydrates by means of a strategy based on surface-enhanced Raman spectroscopy is demonstrated. Spectra are obtained after injecting a small amount of saccharide solution onto a roughened silver substrate, with subsequent deposition of silver colloid. The sensitivity achieved by this two-step approach enables high-quality Raman spectra to be obtained for small amounts of aqueous saccharides (5 microL of a 10(-2) M solution) utilizing minimal laser power and sm… Show more

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Cited by 84 publications
(52 citation statements)
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References 23 publications
(43 reference statements)
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“…This band is associated with exocyclic deformations, while the band at approximately 405 cm 1 can be assigned to endocyclic deformations. 17 In the spectra ofˇ-D-glucose (7a) and lactose (7b), both the endocyclic and exocyclic deformation bands show large shifts from 405 to 377 cm 1 and from 542 to 477 cm 1 respectively. In the regions of υ(COH), υ(CCH) and υ(OCH) side group deformations (800-950 cm 1 ), of (C-O) and (C-C) stretches (950-1200 cm 1 ) and of υ CH 2 and υ CH 2 OH deformations (1250-1500 cm 1 ), the spectrum of lactose shows more bands than the spectrum ofˇ-D-glucose (7a).…”
Section: Fatty Acids and Fatsmentioning
confidence: 99%
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“…This band is associated with exocyclic deformations, while the band at approximately 405 cm 1 can be assigned to endocyclic deformations. 17 In the spectra ofˇ-D-glucose (7a) and lactose (7b), both the endocyclic and exocyclic deformation bands show large shifts from 405 to 377 cm 1 and from 542 to 477 cm 1 respectively. In the regions of υ(COH), υ(CCH) and υ(OCH) side group deformations (800-950 cm 1 ), of (C-O) and (C-C) stretches (950-1200 cm 1 ) and of υ CH 2 and υ CH 2 OH deformations (1250-1500 cm 1 ), the spectrum of lactose shows more bands than the spectrum ofˇ-D-glucose (7a).…”
Section: Fatty Acids and Fatsmentioning
confidence: 99%
“…Lippert and Peticolas 15 and Weng et al 16 have already presented Raman spectra of some fatty acids and fats. Surface enhanced Raman spectra of saccharides were recorded by Mrozek and Weaver, 17 while Raman spectra of different types of carotenoids were described by Weesie et al 18 In this paper, we give an overview of Raman spectra of biomolecules. These spectra can serve as reference spectra for the interpretation of Raman spectra of biological materials.…”
Section: Introductionmentioning
confidence: 99%
“…The appearance of this mode suggests that ribose is in intimate contact with the metal surface through the OH groups, and rather weak interactions between the pentose ring and the surface that has been previously reported [20][21][22][23]. It is the most likely that other bands arising from ν(OH) of ribose are hindered by the broad band at around 3300 cm , which are attributed chiefly to the bending modes of COH and CCH, and the stretching modes of CC and CO bonds according to our calculations (see Table 2).…”
Section: Accepted Manuscriptmentioning
confidence: 97%
“…Until now, vibrational interpretation of this class of compounds has been carried out by using characteristic frequency groups only [13][14][15]. Also the possible mechanism of adsorption of all the compounds studied here on different silver and gold surfaces were proposed [13,[16][17][18][19][20][21][22][23][24][25].…”
Section: Accepted M Manuscriptmentioning
confidence: 99%
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