Showing papers in "Applied Spectroscopy Reviews in 2020"
TL;DR: In this article, the thermal decomposition mechanisms of energy-rich materials have been investigated experimentally and theoretically for decades, but there are still many unanswered questions concerning their thermal decompositions.
Abstract: Energetic materials have been widely investigated experimentally and theoretically for decades, but there are still many unanswered questions concerning their thermal decomposition mechanisms that ...
100 citations
TL;DR: The basics of chemometric methods which are mainly applied in data preprocessing and multivariate analysis are introduced and some emerging techniques like THz microfluidic chips and scattering-type scanning near-field THz spectroscopy are investigated and it is indicated that these techniques have the potential to tackle some shortcomings of THz technology.
Abstract: In order to meet the requirements of sustainable growth and development for human beings, biomedical research has been the focus of our attention. Terahertz (THz) is recognized as one of the most p...
63 citations
TL;DR: In this article, a review of the development of remote detection based on laser-induced breakdown spectroscopy (LIBS) is presented, where three kinds of techniques are presented.
Abstract: Laser-induced breakdown spectroscopy (LIBS) is well known for its feature of remote detection. In this review, the development of remote detection based on LIBS is presented. Three kinds of...
56 citations
TL;DR: Raman spectroscopy is a powerful method for gas sensing but is limited by the inherently weak Raman effect as discussed by the authors. Due to the increase in intracavity laser power or improvement in spontaneous emission, ca...
Abstract: Raman spectroscopy is a powerful method for gas sensing but is limited by the inherently weak Raman effect. Due to the increase in intracavity laser power or improvement in spontaneous emission, ca...
42 citations
TL;DR: In this article, the lack of systematic strategies of measurement and modeling for high-precision spectral analysis for complex liquid components has received much attention in recent years, however, the authors pointed out that "the lack of a systematic strategy for measurement and modelling notably appears wh...
Abstract: High-precision spectral analysis for complex liquid components has received much attention in recent years. However, the lack of systematic strategies of measurement and modeling notably appears wh...
41 citations
TL;DR: SALDI-MS has been recognized as one of the prominent techniques in mass analysis of small molecules as well as large nonvolatile molecules as discussed by the authors, and it has been shown to be effective in the analysis of large non-volatile mass spectrometers.
Abstract: Surface assisted laser desorption ionization mass spectrometry (SALDI-MS) has been recognized as one of the prominent techniques in mass analysis of small molecules as well as large nonvolatile mol...
40 citations
TL;DR: The use of spectroscopy for the analysis of biological molecules has significantly increased during the past few years, hence, it is important to accumulate relevant Raman spectroscopic data of breast cancer patients as discussed by the authors.
Abstract: Use of spectroscopy for the analysis of biological molecules has significantly increased during the past few years, hence, it is important to accumulate relevant Raman spectroscopic data of breast ...
39 citations
TL;DR: Laser absorption spectroscopy combined with spectral analysis has been extensively investigated in detection and measurements of gas samples because of their broad applicability for measuring more than a few gases as mentioned in this paper.
Abstract: Laser absorption spectroscopy combined with spectral analysis has been extensively investigated in detection and measurements of gas samples because of their broad applicability for measuring more ...
35 citations
TL;DR: In the past decades, adulteration of spices has been a major threat in the past decade as it decreases the quality and causes illness to humans as discussed by the authors, and testing of species is essential for evaluating the quality.
Abstract: Adulteration of spices has been a major threat in the past decades as it decreases the quality and causes illness to humans. Testing of species is essential for evaluating the quality and safeguard...
30 citations
TL;DR: In spite of this, analytical chemistry researchers continue to look for small-scale extraction techniques following the guidelines of green chemistry as discussed by the authors, which are well established in analytical protocols following the green chemistry guidelines.
Abstract: Miniaturized extraction techniques are well established in analytical protocols following the guidelines of green chemistry. In spite of this, analytical chemistry researchers continue to look for ...
29 citations
TL;DR: A perspective on the historical and contemporary applications of NIRS for entomology shows particular promise in the detection and identification of insects infesting stored food products, and the rapid, low-cost and non-lethal profiling of cuticular hydrocarbons of individual insects.
Abstract: Near-infrared spectroscopy (NIRS) is a rapid, noninvasive and cheap method of profiling the chemical composition of a broad range of sample types. Over the past two decades, it has been used in num...
TL;DR: In this article, the integrity of quality control and assurance of consumable products across consumer goods distribution and supply chains is addressed to ensure consumer products of high quality to guara....
Abstract: Ensuring the integrity of quality control and assurance of consumable products across consumer goods distribution and supply chains is pertinent to ensure consumer products of high quality to guara...
TL;DR: In this paper, a simple, rapid, portable, and accurate method for the detection of potentially toxic elements (PTEs) in soils is proposed. But, the method is not suitable for outdoor applications.
Abstract: Potentially toxic elements (PTEs) in soils pose severe threats to the environment and human health. It is therefore imperative to have access to simple, rapid, portable, and accurate methods for th...
TL;DR: In this paper, surface-enhanced Raman spectroscopy (SERS) has been extensively used for the detection and evaluation of biological subsets, and it has high sensitivity, specificity, efficiency and cost-effectiveness.
Abstract: Due to the high sensitivity, specificity, efficiency and cost-effectiveness, surface-enhanced Raman spectroscopy (SERS) has been extensively used for the detection and evaluation of biological subs...
TL;DR: In this paper, the importance of hyphenating different laser-based techniques such as laser-induced breakdown spectroscopy (LIBS), Raman Spectroscopy, and LIFS was discussed.
Abstract: This review discusses the importance of hyphenating different laser-based techniques such as Laser-Induced Breakdown Spectroscopy (LIBS), Raman spectroscopy and Laser-Induced Fluorescence spectrosc...
TL;DR: A confocal Raman microspectroscopy method was used for measuring pH in a 3D tissue engineered model of human skin and evaluated for its ability to detect changes in pH in response to wounding, inflammation and bacterial infection.
Abstract: Skin has a highly regulated pH environment of around pH 7.2 but with an acid barrier mantle of around pH 5.5. Trauma, inflammation, and infection are all thought to disrupt this pH environment but ...
TL;DR: In this paper, the scattering components are difficult to avoid in complex solutions and the authors propose a method to avoid scattering components in complex solution analysis. But the method is not suitable for complex solutions with high computational complexity.
Abstract: Spectrochemical quantitative analysis of complex solutions is of great significance to all walks of life. However, scattering components are difficult to avoid in complex solutions. According to th...
TL;DR: The basic principle of LIBS and machineLearning algorithms are introduced, the research situation and progress of the application of machine learning algorithms to LIBS are reviewed, and the problems and challenges of its application are put forward.
Abstract: Laser-induced breakdown spectroscopy (LIBS) is a technology of content analysis and composition analysis based on the atomic excitation and emission spectrum of materials. It has been intense activ...
TL;DR: In this article, the growth status of microalgae is monitored and the authors propose a method for the detection and evaluation of life information during the growth of micro-algae.
Abstract: Monitoring the growth status of microalgae is very important. Traditional techniques for the detection and evaluation of life information during the growth of microalgae are tedious, laborious, des...
TL;DR: In this paper, the advent of X-Ray fluorescence (XRF) spectrum analysis technology, with its wide range of elemental analysis, rapid, nondestructive analysis characteristics, and better detection accuracy, has been discussed.
Abstract: Since the advent of X-Ray fluorescence (XRF) spectrum analysis technology, with its wide range of elemental analysis, rapid, nondestructive analysis characteristics, and better detection accuracy, ...
TL;DR: Laser-induced breakdown spectroscopy (LIBS) is a simple, rapid, and sensitive analytical technique that has been employed in a number of scientific disciplines (e.g., chemistry, physics, geology, etc.) as discussed by the authors.
Abstract: Laser-induced breakdown spectroscopy (LIBS) is a simple, rapid, and sensitive analytical technique that has been employed in a number of scientific disciplines (e.g., chemistry, physics, geology, e...
TL;DR: In recent times, fluorescence-based analytical devices are getting more equipped with LEDs than conventional light sources because of their availability in a broad range of wavelengths and appropriateness as mentioned in this paper.
Abstract: In recent times, fluorescence-based analytical devices are getting more equipped with LEDs than conventional light sources because of their availability in a broad range of wavelengths and appropri...
TL;DR: Shorter-than-excitation-wavelength (STEW) optical emissions, where photons originating in a material have higher energies than those that created them, have in the past few decades become important as mentioned in this paper.
Abstract: Shorter-than-excitation-wavelength (STEW) optical emissions, where photons originating in a material have higher energies than those that created them, have in the past few decades become important...
TL;DR: There have been substantial advancements in optical spectroscopy-based imaging techniques in recent years as mentioned in this paper, and these developments can potentially herald a transformational change in the diagnostic path of medical imaging.
Abstract: There have been substantial advancements in optical spectroscopy-based imaging techniques in recent years. These developments can potentially herald a transformational change in the diagnostic path...
TL;DR: In this article, the food industry is in need of analytical solutions to maintain high quality and safety standards during the entire food production chain, and Spectroscopy applications are targeted as a major solutio...
Abstract: The food industry is in need of analytical solutions to maintain high quality and safety standards during the entire food production chain. Spectroscopy applications are targeted as a major solutio...
TL;DR: Silver nanoparticles (AgNPs) have been wildly used in agriculture, cosmetics, medicine, and food conservation fields due to their excellent antibacterial activity as discussed by the authors, and the growing use of AgNPs products...
Abstract: Silver nanoparticles (AgNPs) have been wildly used in agriculture, cosmetics, medicine, and food conservation fields due to their excellent antibacterial activity. The growing use of AgNPs products...
TL;DR: The accuracy of UV-Vis spectroscopic method development utterly depends upon the selection of solvent which should be compatible and suitable for the solute throughout the study as mentioned in this paper, and the spectrum of the sa...
Abstract: Accuracy of UV-Vis spectroscopic method development utterly depends upon the selection of solvent which should be compatible and suitable for the solute throughout the study. The spectrum of the sa...
TL;DR: In this paper, the authors describe systemic pesticides used to control harmful insects, such as Neonicotinoids, which cause many harmful effects to insects, especially to individual bees such as damag...
Abstract: Neonicotinoids are systemic pesticides used to control harmful insects. These pesticides, which are nerve agents, cause many harmful effects to insects, especially to individual bees, such as damag...
TL;DR: In this paper, upconversion fluorescence is defined as the process of converting optical energy from low absorption energies to high emission energies, and the upcon conversion (UC) materials exhibit significant advantages.
Abstract: Upconversion fluorescence is the process of converting optical energy from low absorption energies to high emission energies. The upconversion (UC) materials exhibit significant advantages such as ...
TL;DR: In this paper, the authors review molecular structure association with nutrient metabolism of faba bean (FB) legume as well as uses as an environment probe using vibrational molecular spectroscopy with c...
Abstract: This article aims to review molecular structure association with nutrient metabolism of faba bean (FB) legume as well as uses as an environment probe using vibrational molecular spectroscopy with c...