Journal of Raman Spectroscopy

Cover image for Vol. 44 Issue 8

August 2013

Volume 44, Issue 8

Pages 1061–1203

  1. Review

    1. Top of page
    2. Review
    3. Research articles
    4. Short communications
    1. Raman spectroscopy of proteins: a review (pages 1061–1076)

      A. Rygula, K. Majzner, K. M. Marzec, A. Kaczor, M. Pilarczyk and M. Baranska

      Article first published online: 12 JUL 2013 | DOI: 10.1002/jrs.4335

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      In this work 26 proteins of different structure, function and properties are investigated by Raman spectroscopy with 488, 532 and 1064 nm laser lines. For all compounds, FT-Raman and two Vis-Raman spectra are presented along with the detailed band assignment. This work can serve as a comprehensive vibrational spectra library, based on our and previous Raman measurements.

  2. Research articles

    1. Top of page
    2. Review
    3. Research articles
    4. Short communications
    1. Raman spectroscopy: a tool for biomechanical characterization of Stratum Corneum (pages 1077–1083)

      Raoul Vyumvuhore, Ali Tfayli, Hélène Duplan, Alexandre Delalleau, Michel Manfait and Arlette Baillet-Guffroy

      Article first published online: 15 JUN 2013 | DOI: 10.1002/jrs.4334

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      The effect of uniaxial mechanical extension on SC components ultra structure was examined. Using combination of Raman spectra and Partial Least Squares processing technique, we could determine the strain status of the analyzed samples. Furthermore, this method allowed to highlight the modifications in the protein structure and intercellular lipid bilayer organization.

    2. Laser-induced volume changes during confocal Raman microscopy of whey-protein-stabilized emulsions and their relationship to protein content and particle diameters (pages 1084–1088)

      Marija Iljina, Stephen R. Euston and Henry T. Bookey

      Article first published online: 14 JUN 2013 | DOI: 10.1002/jrs.4337

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      Whey-protein-stabilized oil-in-water emulsions have been investigated using a depth-resolved Raman microscopic technique. Correlations were found between laser-induced sample volume changes, sample protein content and particle diameters. This new approach is of potential predictive use for emulsion analysis.

    3. Laser wavelength dependence of background fluorescence in Raman spectroscopic analysis of synovial fluid from symptomatic joints (pages 1089–1095)

      Shan Yang, Bolan Li, Mikhail N. Slipchenko, Anna Akkus, Nora G. Singer, Yener N. Yeni and Ozan Akkus

      Article first published online: 1 JUL 2013 | DOI: 10.1002/jrs.4338

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      The current study investigated the fluorescence from asymptomatic and symptomatic synovial aspirates in the context of Raman-based diagnosis of crystals leading to arthritic symptoms in the joint space. It was demonstrated that filtering of the samples following enzymatic digestion allowed the utilization of an inexpensive Raman set-up using OEM-based off-the shelf components. In addition, we showed that the Raman signal can be recovered from crystals at 785 nm laser excitation without being masked by background fluorescence from the organic phase.

    4. Role of Phe-D5 isotopically labeled analogues of bradykinin on elucidation of its adsorption mode on Ag, Au, and Cu electrodes. Surface-enhanced Raman spectroscopy studies (pages 1096–1104)

      Edyta Proniewicz, Ilja Ignatjev, Gediminas Niaura, Dariusz Sobolewski, Adam Prahl and Leonard M. Proniewicz

      Article first published online: 8 JUL 2013 | DOI: 10.1002/jrs.4343

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      RS, SERS, electrochemistry, and isotopic effect methods were used to characterize selective adsorption of two isotopically labeled bradykinin analogues, [(Phe-D5)5]BK and [(Phe-D5)8]BK, a hormone which is known to be involved in small-cell and non-small-cell lung carcinoma and prostate cancer. Investigated analogues were immobilized onto Ag, Au, and Cu electrodes (–1.000 V to 0.200 V). Based on the analyses of the spectral profiles, specific conclusions were drawn with respect to the Phe⋅⋅⋅metal interactions, and changes in the interaction that occurred when the adsorption conditions were varied.

    5. The effect of the pH on the interaction of L-arginine with colloidal silver nanoparticles. A Raman and SERS study (pages 1105–1110)

      C. Garrido, T. Aguayo, E. Clavijo, J. S. Gómez-Jeria and M. M. Campos-Vallette

      Article first published online: 4 JUN 2013 | DOI: 10.1002/jrs.4331

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      A new methodology is proposed to obtain Raman and SERS spectral reproducibility for biological samples in solution. The arginine-silver nanoparticles interaction in aqueous solution is highly dependent on the pH. The UV-visible and zeta potential measurements allow evaluate the stability of the system Arg-AgNps at the different pH conditions studied. Theoretical calculations performed by using extended Hückel theory method for a structural model of the Arg-Ag layer interaction complete and support SERS results.

    6. A stable ‘sandwich’ system of Surface-Enhanced Resonance Raman Scattering for the analysis of β-carotenes in a photosynthetic pigment-protein complex (pages 1111–1119)

      Xiaochun Qin, Jiajia Zhu, Wenda Wang, Xiang Ding, Kebin Wang, Yan Fang and Tingyun Kuang

      Article first published online: 18 JUL 2013 | DOI: 10.1002/jrs.4333

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      The membrane protein-mediated adsorption of silver nanoparticles induced the uniform distribution of a large number of single nanoparticles, which contributed to achieving highly reproducible SERRS spectra.

    7. Rapid synthesis and characterization of ultra-thin shell Au@SiO2 nanorods with tunable SPR for shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) (pages 1120–1125)

      Bi-Qi Zhang, Song-Bo Li, Qing Xiao, Ju Li and Jian-Jun Sun

      Article first published online: 14 JUN 2013 | DOI: 10.1002/jrs.4336

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      A rapid synthesis method of silica-coating Au nanorods (Au@SiO2 NRs) with manoeuvrable ultra-thin shell is introduced. The SPR of Au NRs is optimized to obtain large Raman enhancement. Based on this new development of SHINERS technique, we directly obtain enhanced signal in solution-based Raman tests of malachite green, giving a great potential to in-situ measurement.

    8. Surface-enhanced Raman spectra of the neonicotinoid pesticide thiacloprid (pages 1126–1135)

      Maria Vega Cañamares and Alessandro Feis

      Article first published online: 23 JUN 2013 | DOI: 10.1002/jrs.4339

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      A comprehensive study about the Raman and surface-enhanced Raman scattering features of the widespread insecticide thiacloprid is presented. A complete vibrational assignment and models for the interaction with the metal surface are proposed.

    9. SERS study on surface chain geometry of atactic poly (methyl methacrylate) film and nanosphere (pages 1136–1143)

      Chenglong Hu, Shaoyun Chen, Weihong Zhang, Fangyan Xie, Jian Chen and Xudong Chen

      Article first published online: 5 JUL 2013 | DOI: 10.1002/jrs.4341

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      The chain conformation presented in the interface between a-PMMA film/NS and the Ag metal was different from the bulk film/NS which was investigated by SERS technique. The molecular chain axis of a-PMMA film adopted a trans-conformation on bonding to Ag surface due to the chemisorption, while the α-CH3 groups of the surface chain of a-PMMA NS were forced to stand erectly on Ag metal surface because of the giant local electromagnetic field.

    10. Studies on paint cross sections of a glass painting by using FT-IR and Raman microspectroscopy supported by univariate and hierarchical cluster analyses (pages 1144–1155)

      Emilia Staniszewska, Kamilla Malek and Zofia Kaszowska

      Article first published online: 3 JUN 2013 | DOI: 10.1002/jrs.4332

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      An evaluation of Raman and FT-IR imaging for the chemical characterisation of painting cross sections, including the method of analysis of the hyper-spectral data cube is provided. The analysis of representative samples with various chemical composition shows advantages and limitations of Raman and FT-IR techniques in the detection of painting materials.

    11. Study of a tabernacle with a remarkable architectural structure: In situ examination using Raman spectroscopy (pages 1156–1162)

      A. C. Prieto, O. Martínez, J. Souto, M. Avella and A. Guedes

      Article first published online: 12 JUL 2013 | DOI: 10.1002/jrs.4346

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      The Raman spectra obtained on the ornamental stones and gemstones from the monstrance ‘Colegiata de S. Pedro’ in Lerma, (Burgos, Spain) correspond to cornalline-like chalcedony, nephrite jade, quartz veinlets, agates with moganite and jasper, together with goethite. Various types of marble and lapis lazuli were identified.

      The correlation of the Raman spectra with the crystal-chemical properties of the specific geological sources of the ornamental stones permits to place this work within the early XVIIth century Spanish historic-artistic frame.

    12. From Portable to SCA Raman devices to characterize harmful compounds contained in used black slag produced in Electric Arc Furnace of steel industry (pages 1163–1171)

      Leticia Gómez-Nubla, Julene Aramendia, Silvia Fdez-Ortiz de Vallejuelo, Kepa Castro and Juan Manuel Madariaga

      Article first published online: 13 JUL 2013 | DOI: 10.1002/jrs.4342

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      The characterization of the by-product from steelworks so-called slag is an important first step if this waste wants to be reused, since it contains heavy metals, and this could suppose a risk for their environmental effects. After, with the knowledge of its composition (major, minor and trace compounds), it would be possible to determine conceivable changes in it due to the interaction with environmental stressors.

    13. Simultaneous qualitative and quantitative analysis of counterfeit and unregistered medicines using Raman spectroscopy (pages 1172–1180)

      Sara J. Fraser, James Oughton, William A. Batten, Austina S. S. Clark, David M. Schmierer, Keith C. Gordon and Clare J. Strachan

      Article first published online: 12 JUL 2013 | DOI: 10.1002/jrs.4344

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      Raman spectroscopy in combination with chemometrics was able to classify genuine from counterfeit erectile dysfunction drugs and quantify the active pharmaceutical ingredients. Success in classification and quantification is strongly dependent on pre-processing and the classification method used.

    14. Raman spectra of selected mineral phases of the Morasko iron meteorite (pages 1181–1186)

      Ł. Karwowski, K. Helios, R. Kryza, A. Muszyński and P. Drożdżewski

      Article first published online: 2 JUL 2013 | DOI: 10.1002/jrs.4340

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      Micro-Raman spectra were measured and interpreted for selected minerals from graphite-troilite nodules in iron meteorite: α quartz, albite-rich feldspar, forsterite-rich olivine, chromite and kosmochlor (Na-Cr-rich clinopyroxene). In particular cases, additional structural information, e.g. the solid state form and average crystallite size, was derived from measured spectra.

    15. The study of the structure and bioactivity of the B2O3 • Na2O • P2O5 system (pages 1187–1194)

      I. J. Hidi, G. Melinte, R. Stefan, M. Bindea and L. Baia

      Article first published online: 8 JUL 2013 | DOI: 10.1002/jrs.4330

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      The influence of the chemical composition on the structural properties and bioactivity of xB2O3 • 30Na2O • (70 − x)P2O5 samples, with 0 ≤ x ≤ 70 mol%, is investigated. The Raman and Fourier transform infrared spectra show the existence of three concentration domains: 70 ≥ x ≥ 50 – borate, 40 ≥ x ≥ 30 – borophosphate, and 20 ≥ x ≥ 0 – phosphate region. The in vitro bioactivity assessment was performed by immersing the samples in simulated body fluids solution. Scanning electron microscope micrographs, Fourier transform infrared, and energy-dispersive X-ray spectra prove that the bioactive response strongly depends on the chemical composition. The samples with 30% and 20% B2O3 (mol%) show the highest bioactivity.

  3. Short communications

    1. Top of page
    2. Review
    3. Research articles
    4. Short communications
    1. Electrochemical in situ surface enhanced Raman spectroscopic characterization of a trinuclear ruthenium complex, Ru-red (pages 1195–1199)

      Khurram Saleem Joya and Huub J. M. de Groot

      Article first published online: 10 JUN 2013 | DOI: 10.1002/jrs.4329

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      We present here the use of electrochemical in situ surface enhanced Raman spectroscopy (SERS) to study the fate of a molecular ruthenium complex, [(NH3)5Ru–O–Ru(NH3)4–O–Ru(NH3)5]6+, Ru-red, during electro-driven water oxidation. Ru-red dispersed in acid electrolyte and immobilized on a gold electrode has been subjected to anodic controlled potential experiments and in situ SERS was carried out at various potentials in succession. The electrochemical SERS data obtained for Ru-red are also compared with in situ SERS results of an electrodeposited ruthenium oxide film.

    2. Direct evidence for conversion of p-aminothiophenol to p,p'-dimercaptoazobenzene by in situ reduplicative surface-enhanced Raman scattering measurements (pages 1200–1203)

      Enzhong Tan, Penggang Yin, Tingting You and Lin Guo

      Article first published online: 12 JUL 2013 | DOI: 10.1002/jrs.4345

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      We obtained in situ SERS spectra of PATP under different conditions, the results indicating that the spectrum was not reversible but keeping stable because DMAB was of formation. The reversibility of the PATP SERS spectra in previous studies is due to the variety of the measurement points, which is in nature of different PATP conversions to DMAB under different conditions.

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