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Skalny AV, Korobeinikova TV, Aschner M, Baranova OV, Barbounis EG, Tsatsakis A, Tinkov AA. Medical application of laser-induced breakdown spectroscopy (LIBS) for assessment of trace element and mineral in biosamples: Laboratory and clinical validity of the method. J Trace Elem Med Biol 2023; 79:127241. [PMID: 37393771 DOI: 10.1016/j.jtemb.2023.127241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 07/04/2023]
Abstract
BACKGROUND Biomedical application is based on the use of LIBS-derived data on chemical contents of tissues in diagnosis of diseases, forensic investigation, as well as a mechanism for providing online feedback for laser surgery. Although LIBS has certain advantages, the issue of correlation of LIBS-derived data on chemical element content in different human and animal tissues with other methods, and especially ICP-MS, remains pertinent. The objective of the present review was to discuss the application of laser-induced breakdown spectroscopy (LIBS) for elemental analysis of human biosamples or tissues from experimental models of human diseases. METHODS A systematic search in the PubMed-Medline, Scopus, and Google Scholar databases using the terms laser-induced breakdown spectroscopy, LIBS, metals, trace elements, minerals, and names of particular chemical elements was performed up through 25 February, 2023. Of all extracted studies only those dealing with human subjects, human tissues, in vivo animal and in vitro cell line models of human diseases were reviewed in detail. RESULTS The majority of studies revealed a wide number of metals and metalloids in solid tissues including teeth (As, Ag, Ca, Cd, Cr, Cu, Fe, Hg, Mg, Ni, P, Pb, Sn, Sr, Ti, and Zn), bones (Al, Ba, Ca, Cd, Cr, K, Mg, Na, Pb, Sr), and nails (Al, As, Ca, Fe, K, Mg, Na, P, Pb, Si, Sr, Ti, Zn). At the same time, LIBS was also used for estimation of trace element and mineral content in hair (Ca, Cu, Fe, K, Mg, Na, Zn), blood (Al, Ca, Co, Cd, Cu, Fe, Mg, Mn, Ni, Pb, Si, Sn, Zn), cancer tissues (Ca, Cu, Fe, Mg, K, Na, Zn) and other tissues. Single studies revealed satisfactory correspondence between quantitative LIBS and ICP-OES/MS data on the level of As (81-93 %), Pb (94-98 %), Cd (50-94 %) in teeth, Cu (97-105 %), Fe (117 %), Zn (88-117 %) in hair, Ca (97-99 %), Zn (90-95 %), and Pb (61-82 %) in kidney stones. LIBS also estimated specific patterns of trace element and mineral content associated with multiple pathologies, including caries, cancer, skin disorders, and other systemic diseases including diabetes mellitus type 2, osteoporosis, hypothyroidism, etc. Data obtained from in situ tissue LIBS analysis were profitably used for discrimination between tissue types. CONCLUSIONS Taken together, the existing data demonstrate the applicability of LIBS for medical studies, although further increase in its sensitivity, calibration range, cross-validation, and quality control is required.
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Affiliation(s)
- Anatoly V Skalny
- World-Class Research Center "Digital Biodesign and Personalized Healthcare", IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Tatiana V Korobeinikova
- World-Class Research Center "Digital Biodesign and Personalized Healthcare", IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Oksana V Baranova
- Institute of Bioelementology, Orenburg State University, 460001, Orenburg
| | | | - Aristides Tsatsakis
- Laboratory of Toxicology, Medical School, University of Crete, Voutes, 700 13 Heraklion, Greece
| | - Alexey A Tinkov
- World-Class Research Center "Digital Biodesign and Personalized Healthcare", IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia; Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, 150003 Yaroslavl, Russia.
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Bali V, Khajuria Y, Maniyar V, Rai PK, Kumar U, Ghany C, Gondal M, Singh VK. Quantitative analysis of human hairs and nails. Biophys Rev 2023; 15:401-417. [PMID: 37396444 PMCID: PMC10310683 DOI: 10.1007/s12551-023-01069-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/23/2023] [Indexed: 07/04/2023] Open
Abstract
Hair and nails are human biomarkers capable of providing a continuous assessment of the concentrations of elements inside the human body to indicate the nutritional status, metabolic changes, and the pathogenesis of various human diseases. Laser-induced breakdown spectroscopy (LIBS) and X-ray fluorescence (XRF) spectrometry are robust and multi-element analytical techniques able to analyze biological samples of various kinds for disease diagnosis. The primary objective of this review article is to focus on the major developments and advances in LIBS and XRF for the elemental analysis of hair and nails over the last 10-year period. The developments in the qualitative and quantitative analyses of human hair and nail samples are discussed in detail, with special emphasis on the key aspects of elemental imaging and distribution of essential and non-essential elements within the hair and nail tissue samples. Microchemical imaging applications by LIBS and XRF (including micro-XRF and scanning electron microscopy, SEM) are also presented for healthy as well as diseased tissue hair and nail samples in the context of disease diagnosis. In addition, main challenges, prospects, and complementarities of LIBS and XRF toward analyzing human hair and nails for disease diagnosis are also thoroughly discussed here.
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Affiliation(s)
- Varun Bali
- School of Physics, Shri Mata Vaishno Devi University, Katra, Jammu and Kashmir, 182320 India
| | - Yugal Khajuria
- School of Physics, Shri Mata Vaishno Devi University, Katra, Jammu and Kashmir, 182320 India
| | | | - Pradeep K. Rai
- Department of Urology and Nephrology, Opal Hospital, Kakarmatta, Varanasi, Uttar Pradesh 221005 India
| | - Upendra Kumar
- Advanced Functional Materials Laboratory, Department of Applied Sciences, IIIT Allahabad, Prayagraj, Uttar Pradesh 211005 India
| | - Charles Ghany
- Department of Engineering, Computer Science, and Physics, Mississippi College, Clinton, MS 39056 USA
| | - M.A. Gondal
- Laser Research laboratory, Physics Department, IRC- Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran, 31261 Saudi Arabia
| | - Vivek K. Singh
- School of Physics, Shri Mata Vaishno Devi University, Katra, Jammu and Kashmir, 182320 India
- Department of Physics, University of Lucknow, Lucknow, Uttar Pradesh 226007 India
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Analysis of Trace Metals in Human Hair by Laser-Induced Breakdown Spectroscopy with a Compact Microchip Laser. SENSORS 2021; 21:s21113752. [PMID: 34071392 PMCID: PMC8198455 DOI: 10.3390/s21113752] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 11/24/2022]
Abstract
A laser-induced breakdown spectroscopy (LIBS) system using a microchip laser for plasma generation is proposed for in-situ analysis of trace minerals in human hair. The LIBS system is more compact and less expensive than conventional LIBS systems, which use flashlamp-excited Q-switched Nd:YAG lasers. Focusing optics were optimized using a Galilean beam expander to compensate for the low emitted pulse energy of the microchip laser. Additionally, hundreds of generated LIBS spectra were accumulated to improve the signal-to-noise ratio of the measurement system, and argon gas was injected at the irradiation point to enhance plasma intensity. LIBS spectra of human hair in the UV to near IR regions were investigated. Relative mass concentrations of Ca, Mg, and Zn were analyzed in hairs obtained from five subjects using the intensity of C as a reference. The results coincide well with those measured via inductively coupled argon plasma mass spectrometry. The lowest detectable concentrations of the measured LIBS spectra were 9.0 ppm for Mg, 27 ppm for Zn, and 710 ppm for Ca. From these results, we find that the proposed LIBS system based on a microchip laser is feasible for the analysis of trace minerals in human hair.
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Wójcik M, Brinkmann P, Zdunek R, Riebe D, Beitz T, Merk S, Cieślik K, Mory D, Antończak A. Classification of Copper Minerals by Handheld Laser-Induced Breakdown Spectroscopy and Nonnegative Tensor Factorisation. SENSORS 2020; 20:s20185152. [PMID: 32917027 PMCID: PMC7570571 DOI: 10.3390/s20185152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/02/2020] [Accepted: 09/07/2020] [Indexed: 11/16/2022]
Abstract
Laser-induced breakdown spectroscopy (LIBS) analysers are becoming increasingly common for material classification purposes. However, to achieve good classification accuracy, mostly noncompact units are used based on their stability and reproducibility. In addition, computational algorithms that require significant hardware resources are commonly applied. For performing measurement campaigns in hard-to-access environments, such as mining sites, there is a need for compact, portable, or even handheld devices capable of reaching high measurement accuracy. The optics and hardware of small (i.e., handheld) devices are limited by space and power consumption and require a compromise of the achievable spectral quality. As long as the size of such a device is a major constraint, the software is the primary field for improvement. In this study, we propose a novel combination of handheld LIBS with non-negative tensor factorisation to investigate its classification capabilities of copper minerals. The proposed approach is based on the extraction of source spectra for each mineral (with the use of tensor methods) and their labelling based on the percentage contribution within the dataset. These latent spectra are then used in a regression model for validation purposes. The application of such an approach leads to an increase in the classification score by approximately 5% compared to that obtained using commonly used classifiers such as support vector machines, linear discriminant analysis, and the k-nearest neighbours algorithm.
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Affiliation(s)
- Michał Wójcik
- Department of Field Theory, Electronic Circuits and Optoelectronics, Faculty of Electronics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50370 Wroclaw, Poland; (M.W.); (A.A.)
| | - Pia Brinkmann
- Physical Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany; (P.B.); (D.R.); (T.B.)
| | - Rafał Zdunek
- Department of Field Theory, Electronic Circuits and Optoelectronics, Faculty of Electronics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50370 Wroclaw, Poland; (M.W.); (A.A.)
- Correspondence:
| | - Daniel Riebe
- Physical Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany; (P.B.); (D.R.); (T.B.)
| | - Toralf Beitz
- Physical Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany; (P.B.); (D.R.); (T.B.)
| | - Sven Merk
- LTB Lasertechnik Berlin GmbH, Am Studio 2c, 12489 Berlin, Germany; (S.M.); (K.C.); (D.M.)
| | - Katarzyna Cieślik
- LTB Lasertechnik Berlin GmbH, Am Studio 2c, 12489 Berlin, Germany; (S.M.); (K.C.); (D.M.)
| | - David Mory
- LTB Lasertechnik Berlin GmbH, Am Studio 2c, 12489 Berlin, Germany; (S.M.); (K.C.); (D.M.)
| | - Arkadiusz Antończak
- Department of Field Theory, Electronic Circuits and Optoelectronics, Faculty of Electronics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50370 Wroclaw, Poland; (M.W.); (A.A.)
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Zhao YL, Li GG, Hou HM, Shi JC, Luo SN. CN and C 2 formation mechanisms in fs-laser induced breakdown of nitromethane in Ar or N 2 atmosphere. JOURNAL OF HAZARDOUS MATERIALS 2020; 393:122396. [PMID: 32208330 DOI: 10.1016/j.jhazmat.2020.122396] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 06/10/2023]
Abstract
We investigate atomic and molecular emission of laser-ablated nitromethane in an Ar or N2 buffer gas, with fs laser-induced breakdown spectroscopy. The electronic bands of CN, C2, and NH molecules and the atomic transition lines of C I, N I, and Hα are identified. The time series of the emissions are obtained, and the formation mechanisms of CN and C2 are deduced. The CN violet system, the B2Σ+-X2Σ+ (0-0) band, is chosen to extract plasma temperature from the experimental spectra.
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Affiliation(s)
- Y L Zhao
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China
| | - G G Li
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, and Institute of Material Dynamics, Southwest Jiaotong University, Chengdu, Sichuan 610031, People's Republic of China
| | - H M Hou
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People's Republic of China
| | - J C Shi
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China.
| | - S N Luo
- The Peac Institute of Multiscale Sciences, Chengdu, Sichuan 610031, People's Republic of China; Key Laboratory of Advanced Technologies of Materials, Ministry of Education, and Institute of Material Dynamics, Southwest Jiaotong University, Chengdu, Sichuan 610031, People's Republic of China.
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Sánchez LC, Zalacaín-Vicuña AJ. Onychoplasty with 1064-nm Laser: Matrixectomy for Treatment of Ingrown Toenails. J Am Podiatr Med Assoc 2019; 109:401-406. [PMID: 31599675 DOI: 10.7547/17-008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Onychocryptosis is a common pathology treated by podiatry medical services, and in a considerable percentage, surgical procedures are required to achieve a solution. There are multiple surgical approaches for ingrown toenails, both incisional procedures and nonincisional procedures, such as chemical matrixectomies and physical matrixectomies using carbon dioxide laser. This study presents a surgical procedure for onychocryptosis using a physical matrixectomy with a 1064-nm laser applied by means of a 400-μm optical fiber and surgical removal of the posterior cauterized tissue to achieve healing by primary intention. This technique was performed on 30 patients with onychocryptosis affecting the great toe (Mozena stages I and IIa), and all of the patients were followed up postoperatively for 12 months. The patients reported minimal postoperative pain, quicker surgical postoperative healing, rapid return to activities of daily living, and minor postoperative recurrence compared with previous studies using incisional procedures and chemical matrixectomies.
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Affiliation(s)
- Lluís Castillo Sánchez
- Department of Clinical Sciences, Section of Podiatry, Faculty of Medicine and Health Sciences, Barcelona University, Barcelona, Spain
| | - Antonio Jesús Zalacaín-Vicuña
- Department of Clinical Sciences, Section of Podiatry, Faculty of Medicine and Health Sciences, Barcelona University, Barcelona, Spain
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7
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Laser-induced breakdown spectroscopy (LIBS): a novel technology for identifying microbes causing infectious diseases. Biophys Rev 2018; 10:1221-1239. [PMID: 30338479 DOI: 10.1007/s12551-018-0465-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 10/04/2018] [Indexed: 01/15/2023] Open
Abstract
With the advent of improved experimental techniques and enhanced precision, laser-induced breakdown spectroscopy (LIBS) offers a robust tool for probing the chemical constituents of samples of interest in biological sciences. As the interest continues to grow rapidly, the domain of study encompasses a variety of applications vis-à-vis biological species and microbes. LIBS is basically an atomic emission spectroscopy of plasma produced by the high-power pulsed laser which is tightly focused on the surface of any kinds of target materials in any phase. Due to its experimental simplicity, and versatility, LIBS has achieved its high degree of interest particularly in the fields of agricultural science, environmental science, medical science, forensic sciences, and biology. It has become a strong and sensitive elemental analysis tool as compared to the traditional gold standard techniques. As such, it offers a handy, rapid, and flexible elemental measurement of the sample compositions, together with the added benefits of less cumbersome sample preparation requirements. This technique has extensively been used to detect various microorganisms, extending the horizon from bacteria, molds, to yeasts, and spores on surfaces, while also being successful in sensing disease-causing viruses. LIBS-based probe has also enabled successful detection of bacteria in agriculture as well. In order for good quality processing of food, LIBS is also being used to detect and identify bacteria such as Salmonella enteric serovar typhimurium that causes food contamination. Differences in soil bacteria isolated from different mining sites are a very good indicator of relative environmental soil quality. In this connection, LIBS has effectively been employed to discriminate both the inter- and intra-site differences of the soil quality across varying mining sites. Therefore, this article summarizes the basic theory and use of LIBS for identifying microbes causing serious agricultural and environmental infectious diseases.
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Wang J, Li L, Yang P, Chen Y, Zhu Y, Tong M, Hao Z, Li X. Identification of cervical cancer using laser-induced breakdown spectroscopy coupled with principal component analysis and support vector machine. Lasers Med Sci 2018; 33:1381-1386. [PMID: 29947008 DOI: 10.1007/s10103-018-2500-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 03/29/2018] [Indexed: 11/26/2022]
Abstract
Cervical cancer is one of the most widespread diseases in women. Traditional cancer diagnosis is extremely complicated and relies on subjective interpretation of biopsy material. In this work, laser-induced breakdown spectroscopy (LIBS) was used in cervical cancer recognition. In order to improve identification accuracy of cervical cancer by LIBS, the chemometric methods of principal component analysis (PCA) and support vector machine (SVM) were combined. The results show that the content of trace elements in normal tissues and cervical cancer tissues was significantly different. Normalized peak intensities of Na, Mg, and K in the cervical cancer tissues were significantly higher than normal tissues, and the normalized peak intensities of Ca in the normal tissues were higher than cervical cancer tissues. The identification accuracies of PCA-SVM are better than SVM, with the achieved accuracies of 94.44% and 93.06%, respectively. It can be concluded that LIBS techniques coupled with chemometric method is a potential in cancer tissue identification, which provides a preliminary research basis for real-time diagnosis of cancer tissues using LIBS.
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Affiliation(s)
- Jing Wang
- Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430074, Hubei, People's Republic of China
| | - Liang Li
- Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430074, Hubei, People's Republic of China.
| | - Ping Yang
- Wuhan National Laboratory for Optoelectronics(WNLO), Huazhong University of Science and Technology(HUST), Wuhan, 430074, Hubei, People's Republic of China
| | - Ying Chen
- Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430074, Hubei, People's Republic of China
| | - Yining Zhu
- Wuhan National Laboratory for Optoelectronics(WNLO), Huazhong University of Science and Technology(HUST), Wuhan, 430074, Hubei, People's Republic of China
| | - Ming Tong
- Wuhan General Hospital of Guangzhou Military Command, Wuhan, 430074, Hubei, People's Republic of China
| | - Zhongqi Hao
- Wuhan National Laboratory for Optoelectronics(WNLO), Huazhong University of Science and Technology(HUST), Wuhan, 430074, Hubei, People's Republic of China
| | - Xiangyou Li
- Wuhan National Laboratory for Optoelectronics(WNLO), Huazhong University of Science and Technology(HUST), Wuhan, 430074, Hubei, People's Republic of China
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Riberdy VA, Frederickson CJ, Rehse SJ. Determination of the Zinc Concentration in Human Fingernails Using Laser-Induced Breakdown Spectroscopy. APPLIED SPECTROSCOPY 2017; 71:567-582. [PMID: 28107035 DOI: 10.1177/0003702816687568] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The absolute concentration of Zn in human fingernail clippings was determined ex vivo using 1064 nm laser-induced breakdown spectroscopy and confirmed by speciated isotope dilution mass spectrometry. A nail testing protocol that sampled across the nail (perpendicular to the direction of growth) was developed and validated by scanning electron microscopy energy-dispersive X-ray spectrometry. Using this protocol, a partial least squares (PLS) regression model predicted the Zn concentration in the fingernails of five people to within an average of 7 ppm. The variation in the Zn concentration with depth into the nail determined by laser-induced breakdown spectroscopy was studied and showed no systematic variation for up to 15 subsequent laser pulses in one location. The effects of nail hydration (dehydrated and over-hydrated) and nail surface roughness were investigated to explain an anomalously large scatter observed in the measurements. This scatter was attributed to the layered nature and fibrous structure of the fingernails, which resulted in non-uniform ablation as determined by scanning electron microscopy. This work demonstrates that a protocol consisting of low pulse energy (<10 mJ) 1064 nm laser pulses incident on human fingernail clippings in an Ar environment can produce quantifiable Zn emission in the laser-induced plasma and that the measured Zn intensity can be used to accurately predict the Zn concentration in human fingernails.
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10
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Novel Spectroscopic Method for Determination and Quantification of Saffron Adulteration. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0710-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Abstract
Laser-induced breakdown spectroscopy (LIBS), known also as laser-induced plasma spectroscopy (LIPS), is a well-known spectrochemical elemental analysis technique. The field of LIBS has been rapidly matured as a consequence of growing interest in real-time analysis across a broad spectrum of applied sciences and recent development of commercial LIBS analytical systems. In this brief review, we introduce the contributions of the research groups in the African continent in the field of the fundamentals and applications of LIBS. As it will be shown, the fast development of LIBS in Africa during the last decade was mainly due to the broad environmental, industrial, archaeological, and biomedical applications of this technique.
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Singh VK, Kumar V, Sharma J. Importance of laser-induced breakdown spectroscopy for hard tissues (bone, teeth) and other calcified tissue materials. Lasers Med Sci 2014; 30:1763-78. [PMID: 24570087 DOI: 10.1007/s10103-014-1549-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Accepted: 02/07/2014] [Indexed: 10/25/2022]
Abstract
Laser-induced breakdown spectroscopy (LIBS) as a sensitive optical technique capable of fast multielemental analysis proved to be a versatile tool in different applications. It became visible in the analytical atomic spectroscopy scene in the late 1980s and since then, its applications having been developed continuously in different field of science and technology including biomedical science. Here, we review the use and importance of LIBS for trace element determination in different calcified tissue materials. In this article, we have also reported a comprehensive review of the recent progress of biomedical applications of LIBS.
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Affiliation(s)
- Vivek K Singh
- School of Physics, Shri Mata Vaishno Devi University, Kakryal, Katra, 182320, Jammu and Kashmir, India,
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Rusak DA, Zeleniak AE, Obuhosky JL, Holdren SM, Noldy CA. Quantitative determination of calcium, magnesium, and zinc in fingernails by laser-induced breakdown spectroscopy. Talanta 2013; 117:55-9. [DOI: 10.1016/j.talanta.2013.08.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Revised: 08/07/2013] [Accepted: 08/14/2013] [Indexed: 10/26/2022]
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Mbesse Kongbonga YG, Ghalila H, Onana MB, Ben Lakhdar Z. Classification of vegetable oils based on their concentration of saturated fatty acids using laser induced breakdown spectroscopy (LIBS). Food Chem 2013; 147:327-31. [PMID: 24206726 DOI: 10.1016/j.foodchem.2013.09.145] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 04/12/2013] [Accepted: 09/29/2013] [Indexed: 11/27/2022]
Abstract
Spectrochemical analyses of organic liquid media such as vegetable oils and sweetened water were performed with the use of LIBS. The aim of this work is to study, on the basis of spectral analyses by LIBS technique of "Swan band" of C2 emitted by different vegetable oils in liquid phase, the characteristics of each organic media. Furthermore this paper proposes, as a classification, a single parameter that could be used to determine the concentration of saturated fatty acids of vegetable oils. A Nd:YAG operating at λ=532 nm and an energies per pulse of 30 mJ was focused onto the surface of the liquid in ambient air. Following ablation of vegetable oils and sweetened water, we find that vibrational bonds of C2 were released from the molecule containing carbon-carbon bonds linear. In the case of vegetable oils, we find a clear relationship between C2 emission from the plasma and the concentration of saturated fatty acids in the oil.
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Affiliation(s)
- Yvon G Mbesse Kongbonga
- Laboratory of Spectroscopy of Atomic Molecular and Applications - LSAMA, Faculty of Sciences of Tunis, University of Tunis, Tunis, Tunisia; Centre for Atomic Molecular Physics and Quantum Optics - CEPAMOQ, Faculty of Science, University of Douala, Douala, Cameroon.
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Chen JZ, Bai JN, Song GJ, Sun J, Deng ZC, Wang YL. Enhancement effects of flat-mirror reflection on plasma radiation. APPLIED OPTICS 2013; 52:6295-6299. [PMID: 24085090 DOI: 10.1364/ao.52.006295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 07/15/2013] [Indexed: 06/02/2023]
Abstract
Laser-induced breakdown spectroscopy quality can be improved by using a nanosecond Nd:YAG laser pulse to excite soil samples. To investigate how flat-mirror reflection affects the radiation characteristics of laser-induced plasma, emission spectra of sample elements were recorded using a grating spectrometer and photoelectric detection system. Placing a planar mirror vertically on the sample surface (10 mm mirror to plasma-center axis distance) for flat-mirror reflection increased spectral line intensities of Mg, Al, Fe, and Ba by 93.06%, 159.63%, 93.43%, and 94.61%, respectively. Signal-to-noise ratio increased by 17.56%, 40.21%, 31.29%, and 30%. The radiation enhancement mechanism was clarified using measured plasma parameters.
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Fortes FJ, Moros J, Lucena P, Cabalín LM, Laserna JJ. Laser-induced breakdown spectroscopy. Anal Chem 2012; 85:640-69. [PMID: 23137185 DOI: 10.1021/ac303220r] [Citation(s) in RCA: 148] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Francisco J Fortes
- Department of Analytical Chemistry, University of Málaga, 29071 Málaga, Spain
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Anabitarte F, Cobo A, Lopez-Higuera JM. Laser-Induced Breakdown Spectroscopy: Fundamentals, Applications, and Challenges. ACTA ACUST UNITED AC 2012. [DOI: 10.5402/2012/285240] [Citation(s) in RCA: 117] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Laser-induced breakdown spectroscopy (LIBS) is a technique that provides an accurate in situ quantitative chemical analysis and, thanks to the developments in new spectral processing algorithms in the last decade, has achieved a promising performance as a quantitative chemical analyzer at the atomic level. These possibilities along with the fact that little or no sample preparation is necessary have expanded the application fields of LIBS. In this paper, we review the state of the art of this technique, its fundamentals, algorithms for quantitative analysis or sample classification, future challenges, and new application fields where LIBS can solve real problems.
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Affiliation(s)
- F. Anabitarte
- Photonic Engineering Group, Department of TEISA, Universidad de Cantabria, Edificio I+D+i Telecomunicacion, 39005 Santander, Spain
| | - A. Cobo
- Photonic Engineering Group, Department of TEISA, Universidad de Cantabria, Edificio I+D+i Telecomunicacion, 39005 Santander, Spain
| | - J. M. Lopez-Higuera
- Photonic Engineering Group, Department of TEISA, Universidad de Cantabria, Edificio I+D+i Telecomunicacion, 39005 Santander, Spain
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Shadman S, Bahreini M, Tavassoli SH. Comparison between elemental composition of human fingernails of healthy and opium-addicted subjects by laser-induced breakdown spectroscopy. APPLIED OPTICS 2012; 51:2004-2011. [PMID: 22534908 DOI: 10.1364/ao.51.002004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Accepted: 01/31/2012] [Indexed: 05/31/2023]
Abstract
The objective of the present work is to identify differences in elemental fingernail composition between opium-addicted and healthy adult human subjects using laser-induced breakdown spectroscopy. Thirty nails from normal, healthy male subjects and 30 nails from opium-addicted male individuals were analyzed. Measurements on 60 nail samples were carried out, identifying 13 key species including 11 neutral elements and 2 ions. Discriminant Function Analysis (DFA) was used to classify the samples between the two groups. Spectral line intensities of elements including Fe, C, Ti, Mg, Si, Al, Ca, H, K, O, and Na were considered variables in DFA. This analysis demonstrates the efficient discrimination between the two groups. However, the number of samples in this work is not sufficient for a decisive conclusion and further research is needed to generalize this idea.
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Affiliation(s)
- S Shadman
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
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Hahn DW, Omenetto N. Laser-induced breakdown spectroscopy (LIBS), part II: review of instrumental and methodological approaches to material analysis and applications to different fields. APPLIED SPECTROSCOPY 2012; 66:347-419. [PMID: 22449322 DOI: 10.1366/11-06574] [Citation(s) in RCA: 342] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The first part of this two-part review focused on the fundamental and diagnostics aspects of laser-induced plasmas, only touching briefly upon concepts such as sensitivity and detection limits and largely omitting any discussion of the vast panorama of the practical applications of the technique. Clearly a true LIBS community has emerged, which promises to quicken the pace of LIBS developments, applications, and implementations. With this second part, a more applied flavor is taken, and its intended goal is summarizing the current state-of-the-art of analytical LIBS, providing a contemporary snapshot of LIBS applications, and highlighting new directions in laser-induced breakdown spectroscopy, such as novel approaches, instrumental developments, and advanced use of chemometric tools. More specifically, we discuss instrumental and analytical approaches (e.g., double- and multi-pulse LIBS to improve the sensitivity), calibration-free approaches, hyphenated approaches in which techniques such as Raman and fluorescence are coupled with LIBS to increase sensitivity and information power, resonantly enhanced LIBS approaches, signal processing and optimization (e.g., signal-to-noise analysis), and finally applications. An attempt is made to provide an updated view of the role played by LIBS in the various fields, with emphasis on applications considered to be unique. We finally try to assess where LIBS is going as an analytical field, where in our opinion it should go, and what should still be done for consolidating the technique as a mature method of chemical analysis.
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Affiliation(s)
- David W Hahn
- Department of Mechanical and Aerospace Engineering, Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA
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Singh VK, Rai AK. Prospects for laser-induced breakdown spectroscopy for biomedical applications: a review. Lasers Med Sci 2011; 26:673-87. [DOI: 10.1007/s10103-011-0921-2] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2010] [Accepted: 03/21/2011] [Indexed: 10/18/2022]
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