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Samokhvalov A. Analysis of various solid samples by synchronous fluorescence spectroscopy and related methods: A review. Talanta 2020; 216:120944. [PMID: 32456909 DOI: 10.1016/j.talanta.2020.120944] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/12/2020] [Accepted: 03/16/2020] [Indexed: 11/27/2022]
Abstract
This critical Review covers the literature reports on analysis of different types of solid samples by the synchronous fluorescence spectroscopy (SFS) and its varieties, which include synchronous phosphorescence spectroscopy and synchronous luminescence spectroscopy, in the three decades (1990-2019). Both the qualitative and quantitative spectroscopic analysis is described for a wide range of specimens. Their physical forms and chemical composition include: a) organic and inorganic analytes pre-concentrated from solution on matrices (beads, membranes, filters, disks, paper), b) natural and synthetic multi-component specimens of complex composition (biological tissues, soil, polymers) and c) inorganic and coordination compounds including porous materials and particularly metal-organic frameworks (MOFs). The comparison with the data obtained by "conventional" optical emission spectroscopy and other analytical techniques (when available) is presented. The specific advantages of the high-resolution varieties of the method, the first- and second-derivative solid-state synchronous fluorescence, luminescence, and phosphorescence spectroscopy are described. An attention is also paid to practical conditions of the typical tests, and the relevant experimental setups. The impetus is on the emerging capabilities of this highly promising method e.g. in-situ monitoring of chemical reactions, in-vivo diagnostics, surface reactions, and detection of the adsorbate. The existing challenges are analyzed, and the unexplored application "niches" to further develop this and the related analytical methods are revealed. 145 references, 9 Tables, 17 Figures and 1 Scheme.
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Affiliation(s)
- Alexander Samokhvalov
- Department of Chemistry, Morgan State University, 1700 East Cold Spring Lane, Baltimore, MD, 21251, USA.
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Siraj N, El-Zahab B, Hamdan S, Karam TE, Haber LH, Li M, Fakayode SO, Das S, Valle B, Strongin RM, Patonay G, Sintim HO, Baker GA, Powe A, Lowry M, Karolin JO, Geddes CD, Warner IM. Fluorescence, Phosphorescence, and Chemiluminescence. Anal Chem 2015; 88:170-202. [PMID: 26575092 DOI: 10.1021/acs.analchem.5b04109] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Noureen Siraj
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Bilal El-Zahab
- Department of Mechanical and Materials Engineering, Florida International University , Miami, Florida 33174, United States
| | - Suzana Hamdan
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Tony E Karam
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Louis H Haber
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
| | - Min Li
- Process Development Center, Albemarle Corporation , Baton Rouge, Louisiana 70805, United States
| | - Sayo O Fakayode
- Department of Chemistry, Winston-Salem State University , Winston-Salem, North Carolina 27110, United States
| | - Susmita Das
- Department of Civil Engineering, Adamas Institute of Technology , Barasat, Kolkata 700126, West Bengal India
| | - Bertha Valle
- Department of Chemistry, Texas Southern University , Houston, Texas 77004, United States
| | - Robert M Strongin
- Department of Chemistry, Portland State University , Portland, Oregon 97207, United States
| | - Gabor Patonay
- Department of Chemistry, Georgia State University , Atlanta, Georgia 30302-4098, United States
| | - Herman O Sintim
- Department of Chemistry and Biochemistry, University of Maryland , College Park, Maryland 20742, United States
| | - Gary A Baker
- Department of Chemistry, University of Missouri Columbia , Columbia, Missouri 65211-7600, United States
| | - Aleeta Powe
- Department of Chemistry, University of Louisville , Louisville, Kentucky 40208, United States
| | - Mark Lowry
- Department of Chemistry, Portland State University , Portland, Oregon 97207, United States
| | - Jan O Karolin
- Institute of Fluorescence, University of Maryland Baltimore County , Baltimore, Maryland 21202, United States
| | - Chris D Geddes
- Institute of Fluorescence, University of Maryland Baltimore County , Baltimore, Maryland 21202, United States
| | - Isiah M Warner
- Department of Chemistry, Louisiana State University , Baton Rouge, Louisiana 70803, United States
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Evaluation of Staining-Dependent Colour Changes in Resin Composites Using Principal Component Analysis. Sci Rep 2015; 5:14638. [PMID: 26450008 PMCID: PMC4598812 DOI: 10.1038/srep14638] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Accepted: 09/02/2015] [Indexed: 11/11/2022] Open
Abstract
Colour changes in Gradia Direct™ composite after immersion in tea, coffee, red wine, Coca-Cola, Colgate mouthwash, and distilled water were evaluated using principal component analysis (PCA) and the CIELAB colour coordinates. The reflection spectra of the composites were used as input data for the PCA. The output data (scores and loadings) provided information about the magnitude and origin of the surface reflection changes after exposure to the staining solutions. The reflection spectra of the stained samples generally exhibited lower reflection in the blue spectral range, which was manifested in the lower content of the blue shade for the samples. Both analyses demonstrated the high staining abilities of tea, coffee, and red wine, which produced total colour changes of 4.31, 6.61, and 6.22, respectively, according to the CIELAB analysis. PCA revealed subtle changes in the reflection spectra of composites immersed in Coca-Cola, demonstrating Coca-Cola’s ability to stain the composite to a small degree.
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