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Park Y, Noda I, Jung YM. Diverse Applications of Two-Dimensional Correlation Spectroscopy (2D-COS). APPLIED SPECTROSCOPY 2024:37028241256397. [PMID: 38835153 DOI: 10.1177/00037028241256397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
This second of the two-part series of a comprehensive survey review provides the diverse applications of two-dimensional correlation spectroscopy (2D-COS) covering different probes, perturbations, and systems in the last two years. Infrared spectroscopy has maintained its top popularity in 2D-COS over the past two years. Fluorescence spectroscopy is the second most frequently used analytical method, which has been heavily applied to the analysis of heavy metal binding, environmental, and solution systems. Various other analytical methods including laser-induced breakdown spectroscopy, dynamic mechanical analysis, differential scanning calorimetry, capillary electrophoresis, seismologic, and so on, have also been reported. In the last two years, concentration, composition, and pH are the main effects of perturbation used in the 2D-COS fields, as well as temperature. Environmental science is especially heavily studied using 2D-COS. This comprehensive survey review shows that 2D-COS undergoes continuous evolution and growth, marked by novel developments and successful applications across diverse scientific fields.
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Affiliation(s)
- Yeonju Park
- Department of Chemistry, Institute for Molecular Science and Fusion Technology, and Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon, Korea
| | - Isao Noda
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware, USA
| | - Young Mee Jung
- Department of Chemistry, Institute for Molecular Science and Fusion Technology, and Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon, Korea
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Hoch H, Pingel M, Voigt D, Wyss U, Gorb S. Adhesive properties of Aphrophoridae spittlebug foam. J R Soc Interface 2024; 21:20230521. [PMID: 38196374 PMCID: PMC10777165 DOI: 10.1098/rsif.2023.0521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/11/2023] [Indexed: 01/11/2024] Open
Abstract
Aphrophora alni spittlebug nymphs produce a wet foam from anal excrement fluid, covering and protecting themselves against numerous impacts. Foam fluid contact angles on normal (26°) and silanized glass (37°) suggest that the foam wets various substrates, including plant and arthropod surfaces. The pull-off force depends on the hydration state and is higher the more dry the fluid. Because the foam desiccates as fast as water, predators once captured struggle to free from drying foam, becoming stickier. The present study confirms that adhesion is one of the numerous foam characteristics resulting in multifunctional effects, which promote spittlebugs' survival and render the foam a smart, biocompatible material of biological, biomimetic and biomedical interest. The sustainable 'reuse' of large amounts of excrement for foam production and protection of the thin nymph integument suggests energetic and evolutionary advantages. Probably, that is why foam nests have evolved in different groups of organisms, such as spittlebugs, frogs and fish.
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Affiliation(s)
- Hannelore Hoch
- Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstraße 43, 10115 Berlin, Germany
| | - Martin Pingel
- Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstraße 43, 10115 Berlin, Germany
| | - Dagmar Voigt
- Botany, Faculty of Biology, Technische Universität Dresden, 01062 Dresden, Germany
| | - Urs Wyss
- Entofilm, Dahlmannstraße 2a, 24103 Kiel, Germany
| | - Stanislav Gorb
- Department of Functional Morphology and Biomechanics, Zoological Institute, Christian-Albrechts-Universität zu Kiel, Am Botanischen Garten 1–9, 24098 Kiel, Germany
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Mecozzi M, Fratte RD, Pietroletti M, Novelli F, Scacco U. Chemical and structural aspects of fresh and fossil marine mollusc shells investigated by mid-infrared and near-infrared spectroscopy with the support of statistical and multivariate methods. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:28725-28742. [PMID: 34988807 DOI: 10.1007/s11356-021-17818-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
In the present study, we applied Fourier transform infrared (FTIR) and Fourier transform near infrared (FTNIR) spectroscopy to investigate some specific structural aspects of Patella caerulea, Mytilus edulis, Ostrea edulis, and Calista chione shells sampled in different sites. Moreover, for Ostrea edulis and Calista chione, the present study also included fossil samples. As far as FTIR spectroscopy is concerned, the support of statistical and multivariate methods such as the average spectrum (AV), spectral deconvolution, and two-dimensional correlation analysis (2DCOS) allowed to detect structural differences existing within the same mollusc species as a function of the sites they come. These differences can be reasonably linked to the local environmental conditions, which affect the biomineralization pattern of shell formation and growth. These structural differences are related to the calcite, aragonite, Mg-calcite contents, and interactions, as presently observed for fresh and fossil shells. The application of 2DCOS and deconvolution to FTIR spectra also showed the role of the amorphous calcium carbonate (ACC) in the structural characterization of shells, then suggesting the use of a new parameter, the calcite and aragonite to ACC (CAACC) ratio, as a new measurement for the structural characterization of shells. At last, FTNIR spectroscopy allowed detecting the presence of α-helix and β-sheet protein structures in the shells. The results of this study show that also FTIR and FTNIR spectroscopy are able to discern differences in structural characteristics of mollusc shells, a field of environmental studies where scanning electron microscopy and X-ray diffraction are the more widely used methods.
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Affiliation(s)
- Mauro Mecozzi
- Laboratory of Chemometrics and Environmental Applications, ISPRA: Istituto Superiore Per La Protezione E La Ricerca Ambientale, Via di Castel Romano 100, 00128, Rome, Italy.
| | - Riccardo Delle Fratte
- Laboratory of Biodiversity Protection, ISPRA: Istituto Superiore Per La Protezione E La Ricerca Ambientale, Via di Castel Romano 100, 00128, Rome, Italy
| | - Marco Pietroletti
- Laboratory of Chemometrics and Environmental Applications, ISPRA: Istituto Superiore Per La Protezione E La Ricerca Ambientale, Via di Castel Romano 100, 00128, Rome, Italy
| | - Fabrizio Novelli
- Laboratory of Chemometrics and Environmental Applications, ISPRA: Istituto Superiore Per La Protezione E La Ricerca Ambientale, Via di Castel Romano 100, 00128, Rome, Italy
| | - Umberto Scacco
- Laboratory of Biodiversity Protection, ISPRA: Istituto Superiore Per La Protezione E La Ricerca Ambientale, Via di Castel Romano 100, 00128, Rome, Italy
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Recent progress in two-dimensional correlation spectroscopy for the environmental detection and analysis. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128263] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Guo Z, Liu C, Yang R, Dong G, Yang Y, Liu H, Wu N. Detection of pesticide in water using two-dimensional fluorescence correlation spectroscopy and N-way partial least squares. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 229:117981. [PMID: 31923783 DOI: 10.1016/j.saa.2019.117981] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 06/10/2023]
Abstract
To determine the concentration of carbaryl and chlorothalonil in water, the potential of two-dimensional (2D) fluorescence correlation spectra with N-way partial least squares (N-PLS) was investigated. A total of 40 mixture solutions of carbaryl and chlorothalonil were prepared and 27 of them were used to form a calibration set. The excitation-emission matrix (EEM) fluorescence spectra of all samples were measured. Under the excitation perturbation, 2D fluorescence correlation spectra of all samples were calculated and formed a 2D correlation spectral matrix. And N-PLS models for determination of carbaryl and chlorothalonil in water were built based on 2D correlation fluorescence spectral matrix and traditional EEM spectral matrix, respectively. Finally, the performances of N-PLS models using both methods were compared. For chlorothalonil, the root mean square error of calibration (RMSEC) were 3.43 × 10-6 g L-1 and 5.08 × 10-6 g L-1, the root mean square errors of prediction (RMSEP) were 5.86 × 10-6 g L-1 and 8.99 × 10-6 g L-1 for 2D correlation spectra and EEM spectra, respectively. For carbaryl, the RMSEC were 5.24 × 10-7 g L-1 and 6.18 × 10-7, the RMSEP were 9.20 × 10-7 g L-1 and 9.63 × 10-7 g L-1 for 2D correlation spectra and EEM spectra, respectively. From the results of this study, it may conclude that 2D fluorescence correlation spectra is superior over the traditional EEM fluorescence spectra in terms of predictability and can be used as an alternative method for detection of organic pollutants in environment.
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Affiliation(s)
- Ziyuan Guo
- College of Engineering and Technology, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China
| | - Chunyu Liu
- College of Engineering and Technology, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China
| | - Renjie Yang
- College of Engineering and Technology, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China.
| | - Guimei Dong
- College of Engineering and Technology, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China.
| | - Yanrong Yang
- College of Engineering and Technology, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China
| | - Haixue Liu
- Laboratory of Agricultural Analysis, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China
| | - Nan Wu
- College of Engineering and Technology, Tianjin Agricultural University, 22 Jinjing Road, Tianjin 300384, China
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Abstract
Insects have evolved multiple mechanisms to adapt to variations in environmental temperatures, including postural control of solar input, variations in diurnal activity, external morphological structures and selecting/generating microhabitats. Foam produced by Mahanarva fimbriolata nymphs (also known as root spittlebugs) was found to aid in creating a constant thermal microhabitat despite environmental temperature fluctuations. The temperature within the foam was found to be similar to that of soil during the day and remained constant despite fluctuating external temperatures. In chemically analysing the composition of the foam, palmitic and stearic acids, carbohydrates and proteins were detected. These substances have previously been shown to act as a surfactant to stabilize and modulate foams. Since the immature ancestor of the spittlebug developed below ground, it is speculated that the foam may function as an ‘extension’ of the soil and, thus, may have enabled the spittlebug to emerge from the soil and adopt an epigean lifestyle.
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Noda I. Two-dimensional correlation analysis of spectra collected without knowing sampling order. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.085] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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