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Dissolution behavior of chromite mineral impurities in raw materials of glass production using scanning electron microscopy-energy dispersive spectrometer, X-ray fluorescence spectroscopy and Raman spectroscopy methods Spectrosc. Lett. (IF 1.7) Pub Date : 2024-03-23 Pelin Akkaya, Yusuf Kağan Kadıoğlu
Silica sand is an essential raw material for glass production. The specification of silica sand for each type of glass is the most important point, such as chemical purity, grain size, grain shape,...
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Analysis of a therapeutic rich phytopharmaceutical compound of Azadirachta indica Spectrosc. Lett. (IF 1.7) Pub Date : 2024-03-19 Nidhi Dhillon, Umesh Chandra Garnaik, Deepika Yadav, Renu Gupta, Shilpi Agarwal
Azadirachta indica has a very long history of medicinal advantages from ancient times. It is used to treat several diseases and is easily available throughout the year. The present study aims to id...
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Novel method for fiber volume fraction of carbon/glass hybrid fiber composites Spectrosc. Lett. (IF 1.7) Pub Date : 2024-03-05 Xianhua Li, Xianhang Sui, Wenhang Xiang, Wei Lin
Because the physical properties of carbon fiber and glass fiber are very different, the fiber volume fraction in carbon/glass hybrid fiber composites cannot be tested by burning method or digestion...
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The interaction mechanisms analysis of shikonin with α-glucosidase by multi-spectroscopic and molecular docking methods Spectrosc. Lett. (IF 1.7) Pub Date : 2024-02-09 Dan Liu, Ye Cheng, Yan-jun Li, Jing-yi Miao, Xiang-yu Cao
This study aimed to investigate the binding mechanism of shikonin with α-glucosidase by multi-spectroscopic and molecular docking technologies. These data suggested that shikonin spontaneously inte...
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Detection and identification of leukemic and normal cells using Raman spectroscopy and multivariate statistical analysis Spectrosc. Lett. (IF 1.7) Pub Date : 2024-01-08 Weixiong Zhong, Weiwei Chen, Shenghe Weng, Hao Huang, Shiyuan Du, Xiaohu Chen, Wenshan Chen, Liangling Ye, Chunge Song, Yun Yu
Raman spectroscopy technique was successfully employed to study the difference between leukemic cells (Jurkat cell line) and normal human bone marrow mononuclear cells using near-infrared laser (78...
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Quantitative analysis of millet mixtures based on terahertz time-domain spectroscopy and improved coati optimization algorithm Spectrosc. Lett. (IF 1.7) Pub Date : 2024-01-08 Xianhua Yin, Hao Tian, Fuqiang Zhang, An Li
The significant difference in economic and nutritional value between new and old cereals has led to a plethora of grain mix-ups on the market, and it is necessary to distinguish the old and new gra...
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Effect of sample carriers on analytical parameters in total reflection X-ray fluorescence - a tool for multi-trace elemental analysis Spectrosc. Lett. (IF 1.7) Pub Date : 2024-01-08 Manjunatha, A. S. Bennal, N. M. Badiger, H. Stosnach, M. Y. Kariduraganavar
The Total reflection X-ray Fluorescence technique is increasingly popular for its simplicity and rapid elemental screening. This study evaluates the various analytical parameters including spectros...
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Synthesis, characterization, and photoluminescence of zinc oxide ultra-thin nanowires Spectrosc. Lett. (IF 1.7) Pub Date : 2024-01-08 B. Assfour, B. Abadllah, M. Kakhia
Ultra-thin Zinc oxide nanowires were prepared by a simple thermal evaporation method using a suitable amount of lead sulfide as an additive. It has been found that the nanowires are single crystall...
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Effect of annealing treatment on optical properties of structural color films Spectrosc. Lett. (IF 1.7) Pub Date : 2024-01-08 Xiu Li, Lingzhi Liu, Xiaoxue Hu, Jiong Liang, Yuchen Ren, Min Huang
Structural color materials based on periodic micro and nano structures present unique color rendering mechanism and optical properties, and have a wide range of applications in display, packaging, ...
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Determination of pKa of the methylene moiety of the Ni(II) complexed glycine Schiff base with N-(2-benzoyl-4-chlorophenyl)-2-dibutylamino-acetamide by spectroscopic methods in non-aqueous conditions Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-23 Audra Crisp, Blake Vinson, Mackenzie Bergagnini-Kolev, Tien Tran, Trevor K. Ellis, Jon C. Henrikson
The C-H substitution of the methylene moiety of glycine in nickel(II) glycine Schiff bases has proven useful for the preparation of a variety of α-amino acids. Recently, it has been shown that the ...
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Infrared spectroscopic and gravimetric analysis of the dicyclobutylaminemetal(II) tetracyanonickellate(II) host-aromatic guest complexes Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-20 Meryem Türkay Aytekin Aydın, Mustafa Şenyel
M(cyclobutylamine)2Ni(CN)4 (M = Ni or Co) host and M(cyclobutylamine)2Ni(CN)4.nG (M = Ni or Co; cba = cyclobutylamine; G = benzene, 1,2-dichlorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene and...
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Spectroscopic investigations and electronic transitions, topology studies, and biological assay of a potent antimicrobial compound: 2-amino-pyrimidine benzoic acid Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-20 P. Divya, V. S. Jeba Reeda, V. Bena Jothy
The derivatives of benzoic acid, a claimed anti-fungal agent, are physiologically active components of vitamin B-complex. Signals in a heavily deshielded area is found using nuclear magnetic resona...
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Direct discrimination of palm oil as an adulterant in edible oils using a portable Raman spectrometer Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-20 Shenbagamoorthi S., Karthiga Devi S., Prem Ananth K., Naidu Dhanpal Jayram
The common adulteration process in oils involves mixing low-cost and high-cost edible oils. Palm oil has been widely used as an adulterant in the Indian market. In the present work, different ratio...
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Soybean yield estimation based on hyperspectral technology under water stress Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-20 Yongkai Xie, Yutong Qiu, Jinyu Wang, Rui Yao, Hongming Chen
Jindazaohuang No. 2 was selected as the test material to analyze the law of yield change under different water stress conditions. Through spectral monitoring of soybean canopy height under differen...
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The discrimination of geographical origin of lotus root from major producing areas of China based on multi-elemental analysis combined with multivariate data analysis Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-20 Long-Hua Zhou, Wei-Hua Huang, Li-Fang Ma, Yong-Jiu Jin, Ming Li, Wei-Hua Wang, Xiao-Ling Cao
Lotus root is a popular traditional Chinese food of great economic and nutritional significance, which has different qualities, characteristics, and commercial value from various regions due to the...
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Analytical solution for rovibrational spectra of diatomic polar molecules in the elliptically-polarized laser field Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-20 Eugene Oks
This article presents an analytical study of the shift/splitting of the rovibrational energy levels of diatomic polar molecules under the elliptically-polarized laser field. First, there are derive...
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A pilot study of in vivo evaluation of human skin sunburn with handheld Spatially Offset Raman Spectrometer Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-15 Isabella J. Cai, Sophia Star Wang, Wei Wu
Sunburn is a common and high-risk precancerous skin lesion caused by overexposure to ultraviolet radiation. Spatially Offset Raman Spectroscopy, a specialized in-depth profiling technique, has the ...
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Electronic structure of a dinuclear ruthenium(II)-2,2’-bipyridine complex Spectrosc. Lett. (IF 1.7) Pub Date : 2023-12-01 Rafael Natan Soek, Luisa L. Kawanishi Ito, Renan Borsoi Campos, Fábio Souza Nunes
The dinuclear polypyridyl complex [{Ru(bipy)2}2(µ-L)](PF6)4, where bipy = 2,2'-bipyridine and L = 2,6-bis[(1,10-phenantroline-5-amine)methyl]pyridine, was prepared and characterized by UV-Vis and i...
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Molecular structure, electronic properties, spectroscopic, quantum computational studies of 1-(4-hydroxy-3-methoxyphenyl)ethanone-effective anticancer medicine Spectrosc. Lett. (IF 1.7) Pub Date : 2023-11-28 Rubarani P. Gangadharan, R. Kumutha, A. Saral, J. N. Cheerlin Mishma, R. Niranjana Devi, A. Alfind Paul Frit, Shine Kadaikunnan, Ghulam Abbas, S. Muthu
The molecular structure of 1-(4-hydroxy-3-methoxyphenyl) ethenone has been optimized, and its various parameters were ascertained, using Density Functional Theory. The molecule’s Fourier Transform-...
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Evaluation of seed oil quality in Iris lactea by attenuated total reflection-Fourier transform infrared spectroscopy coupled with chemometrics Spectrosc. Lett. (IF 1.7) Pub Date : 2023-10-10 Ruolan Long, Zhenjie Luan, Dan Feng, Peipei Li, Jing Sun
Iris lactea Pall. var. chinensis (Fisch.) Koidz. Seed oil has high medicinal value, including antibacterial, anti-inflammatory, and prevention and treatment effects on hypertension. In this study, ...
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Enhancing environmental monitoring: utilizing plant and soil assays to track pollution in a Turkish organized industrial zone Spectrosc. Lett. (IF 1.7) Pub Date : 2023-10-10 Ibrahim Ilker Ozyigit, Belma Gjergjizi Nallbani, Ibrahim Ertugrul Yalcin, Goksel Demir, Albana Plakiqi-Milaimi
The aim of the current investigation was to determine the concentration of different metals in Mentha spicata L. subsp. tomentosa plants and soils in order to highlight the pollution level in a Tur...
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Rapid identification of chemical composition and quality markers of Gynostemma pentaphylla by ultra-performance liquid chromatography combined with triple quadrupole mass spectrometry connected with high-performance liquid chromatography Spectrosc. Lett. (IF 1.7) Pub Date : 2023-09-04 Yumeng Wang, Yunshan Wu, Siyu Wang, Weiying Chen, Lei Chen, Xiaodong Han, Bo Liu, Shumei Wang
Gynostemma pentaphylla, one of the traditional Chinese medicinal materials, which has gradually become a research hotspot due to its rich pharmacological activities such as hypolipidemic properties...
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Effect of crystal structure on K shell binding energy of lead, mercury and tungsten using bremsstrahlung radiation Spectrosc. Lett. (IF 1.7) Pub Date : 2023-09-01 K. M. Niranjana, G. B. Hiremath, N. H. Ayachit, N. M. Badiger
The K shell binding energies of lead, mercury, and tungsten in their pure elemental form and in some of their compounds have been measured for the first time by adopting a novel method. The method ...
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A correction method for mitigating inter-instrumental absorbance drift in grating-based near-infrared spectrometers Spectrosc. Lett. (IF 1.7) Pub Date : 2023-08-25 Zhixiang Zhang, Guimin Cai, Hubin Liu, Tiancheng Huang, Zhiyue Feng, Longlian Zhao, Junhui Li
In near-infrared spectroscopy analysis, the accuracy of instrument wavelength and breadth is crucial as it forms the foundation for transferring different instrument models. Wavelength and absorban...
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Ellipsometric studies of nickel oxide thin films synthesized via spray pyrolysis at varied substrate temperatures for optoelectronic applications Spectrosc. Lett. (IF 1.7) Pub Date : 2023-08-01 Abdelhamid Bounegab, Mohammed Boulesbaa
Abstract The impacts of the substrate temperature on diverse microstructural, morphological, and optical features of the nickel oxide films deposited via spray pyrolysis were examined. The X-ray diffraction patterns revealed a dominant peak with (1 1 1) favored orientation for all the deposited samples. As the temperature went up from 350 to 450 °C, the indirect and direct band gap energies increased
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Vibrational spectral and electronic properties, Topology studies and biological assay of a potent Anticonvulsant agent: Divalproex Sodium Spectrosc. Lett. (IF 1.7) Pub Date : 2023-07-13 B. Amul, S. Sakthivel, R. Rajesh, Shine Kadaikunnan, Ghulam Abbas, S. Muthu
Abstract In this research work, Density Functional Theory based computational analysis on the molecular structure of Divalproex Sodium was carried out in the gas phase. Comprehensive analysis of vibrational spectra, Proton and Carbon Nuclear Magnetic Resonance, and electronic absorption spectrum have been carried out and the findings were compared to those obtained using computational techniques. The
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Multi-analytical techniques for characterization of ancient Egyptian pottery objects from Cairo University excavations at Saqqara Spectrosc. Lett. (IF 1.7) Pub Date : 2023-07-03 Hamdy Mohamed Mohamed, Sherif Omar
Abstract Archaeological pottery shows various forms of deterioration and degradation. This research aims to determine the chemical composition and diagnose the damage manifestations of three pottery vessels from the archaeological site of Saqqara. The AutoCAD, digital microscope, X-ray diffraction, polarized microscope, portable X-ray fluorescence, and scanning electron microscopy are utilized to understand
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Determination of the superior quality properties of randomly selected chestnut honey samples from the Sinop region Spectrosc. Lett. (IF 1.7) Pub Date : 2023-06-10 Cumhur Avşar, Hakan Aslan, Tuğrul Yumak, Ahmet Tabak, Nuray Türk Deniz
Abstract In this study, a total of 43 chestnut honey samples were randomly selected and collected from the Erfelek, Ayancık, and Türkeli districts of Sinop. The pollen content of all honey samples was determined, revealing that chestnut pollen accounted for over 90% in most cases. The chestnut honey from the Sinop region is considered of high quality compared to other chestnut honeys, primarily due
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Element concentrations of large rainbow trout (Oncorhynchus mykiss) in the Black Sea: selenium-mercury balance and the risk assessments for consumer health Spectrosc. Lett. (IF 1.7) Pub Date : 2023-06-09 Dilara Kaya Öztürk
Abstract This research determined the element values, selenium, and mercury balance of the large rainbow trout (Oncorhynchus mykiss) cultured in the Black Sea and the possible health risk for the consumer. By the end of the investigation, the concentration of components in these cultivated large rainbow trout in the Black Sea met the requirements specified by national and international legislation
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Spectroscopic analysis of 2-amino-1-naphthalenesulfonic acid, molecular docking, and evaluation of the electronic properties of several solvents Spectrosc. Lett. (IF 1.7) Pub Date : 2023-05-16 P. Sangeetha, Naiyf S. Alharbi, Aleksandr S. Kazachenko, S. Muthu, R. Rajesh
Abstract The spectral properties of 2-amino 1-naphthalene sulfonic acid were investigated using Fourier transform infrared, Raman, and ultra violet-visible techniques as well as density functional theory. Employing the distribution of potential energy, extensive analysis of vibrational spectrum assignments has been performed. Natural bond orbital was used to study the interactions between the donor
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Spectral characteristics analysis of typical ground objects in Poyang Lake wetland based on “Zhuhai-1” hyperspectral data Spectrosc. Lett. (IF 1.7) Pub Date : 2023-05-11 Qianyun Feng, Runyuan Kuang, Aoxin Xia, Feiyan Jiang, Meng Zhou
Abstract Hyperspectral image data provides new ideas and methods for the fine classification of wetland. Research on wetland spectral characteristics lays the foundation for wetland classification and improves classification accuracy. Based on “Zhuhai-1” hyperspectral image data, combined with the Pure Pixel Index (PPI), this paper extracted the average spectral curves of 11 typical ground objects
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Optimizing strategies of Raman spectra model combining pre-processing and classification for diagnosis of lung cancer Spectrosc. Lett. (IF 1.7) Pub Date : 2023-05-08 Zilin Wang, Huaizhou Jin, Shangzhong Jin, Li Jiang, Tingting Dou
Abstract The analysis of biological sample data based on Raman spectroscopy involves applying the relevant chemometrics pre-processing and creating the statistical model. In this work, genetic algorithms and pipelines were used to study the steps and sequences of the pre-processing for human blood serum Raman spectra form 76 healthy individuals and 84 lung cancer patients for different data analysis
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Simultaneous detection of molecules with the surface-enhanced infrared absorption sensor platform based on disk antennas with double spacer Spectrosc. Lett. (IF 1.7) Pub Date : 2023-05-05 Ahmet Murat Erturan, Habibe Durmaz, Seyfettin Sinan Gültekin
Abstract Biomolecule detection has become important in many applications such as medical diagnosis, forensic analysis, basic biological studies, and food quality assessment. In particular, the Mid-infrared range offers an important opportunity for biomolecular sensing as it covers the molecular vibrational spectra of vital biochemicals such as Deoxyribonucleic acid, Ribonucleic Acid, and proteins.
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Ultrasensitive and rapid detection for multiple dopings in saliva and urine using surface-enhanced Raman spectroscopy Spectrosc. Lett. (IF 1.7) Pub Date : 2023-05-04 Di Feng, Shan-Shan Xu, Bao-Ying Wen, Murugavel Kathiresan, Yue-Jiao Zhang, An Wang, Fan-Li Zhang, Shangzhong Jin, Jian-Feng Li
Abstract Abuse of dopings is one of the serious issues affecting competitive sports globally. Traditional means of analysis for doping detection face the challenges of costly, bulky, and complicated pretreatment, as well as long detection times. Therefore, it is critical to achieve on-site and rapid detection for dopings. Herein, we proposed a strategy for ultrasensitive and quick detection of multiple
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Determination of bromine, iodine, and other components in northern Hainan island soil Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-29 Xiaoli Li, Zhaoshui Yu, Bin Liu, Xuemiao Du, Jinli Xu, Jinfeng Bai
Abstract The emergence of the integrated wavelength-dispersive and energy-dispersive Zetium X-ray fluorescence spectrometer technique offered new chances to analyze elemental distribution with minimal sample preparation in complex matrix geological samples-northern Hainan island soils. Wavelength-dispersive X-ray fluorescence was applied for the measurement of bromine in the northern Hainan island
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Apple waste management: a study on polyphenol oxidase activity Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-28 Kayssar Eid, Kassandra Fares, Roger Matta, Elissar El-Hayek, Rony Abou-Khalil
Abstract The enzymatic browning of apples by polyphenol oxidase is a major drawback in the food industry. The change in the color, taste, and texture discourage the client from buying these fruits in the market. The description of this enzyme’s characteristics can be helpful in preventing the adverse consequences of the reaction. A study was carried out using polyphenol oxidase extracted from “Red
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Fine structure calculations, polarizability and oscillator strengths for C VI ion embedded in Debye plasma applying accurate Numerov method Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-28 Rachna Joshi
Abstract The dipole polarizabilities, dipole and quadruple oscillator strengths and relativistic energy corrections are calculated for plasma embedded C VI ion which is of relevance in astrophysics and plasma physics. Numerical simulation of Numerov method is used to find the energy eigenvalues and eigenfunctions by solving the time-independent Schrodinger equation. The dependence of dipole and quadruple
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Seasonal variation in trophic niches and niche overlap between native and introduced cyprinid fishes Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-22 Nehir Kaymak, Nesrin Emre, F. Banu Yalim, Cihan Toslak, Yılmaz Emre, Şenol Akin
Abstract It is critical to understand the potential effects of non-native species, especially on ecologically similar native species, and to reveal their trophic relationships. Cyprinid invasive fishes, Carassius gibelio, and translocated fish Cyprinus carpio has been introduced to the Karacaören I reservoir located in the upstream reach of the Aksu River basin. Karacaören reservoir is also an important
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Characterization of infrared free electron laser output profile through sum frequency generation spectroscopy Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-21 Wei Guo, Qiantong Song, Jiawei Xue, Zhichao Huangfu, Yuhan He, Yongyan Zhang, Xiaolin Liu, Jun Bao, Zhaohui Wang
Abstract Infrared free electron laser is a unique broadband tuning IR light source and useful tool to trace the reaction and vibrational energy transfer dynamics. It is essential for the infrared free electron laser debug and optimization to accurately characterize the wavelength and micropulse profile of the infrared free electron laser output. By synchronizing the infrared free electron laser and
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Terahertz (6-18 THz) spectroscopic characterization of benzoic acid class liquid crystals using Fourier Transform Infrared technique Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-08 Lucia M. Lepodise, Tshepo Pheko-Ofitlhile
Abstract Terahertz spectroscopic studies of 4-octyloxybenzoic acid, 4-decyloxybenzoic acid and 4-hexylbenzoic acid liquid crystals were performed using the Fourier Transform Infrared method. The materials are characterized by distinct absorption bands in the 6–18 terahertz frequency range. A good correspondence was observed between the experimental frequencies and theoretical frequencies of the single
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Analysis of adulterated milk based on a long short-term memory network Spectrosc. Lett. (IF 1.7) Pub Date : 2023-04-03 Xin Li, Jiangping Liu
Abstract Taking adulterated milk as the research object, the principal component analysis method combined with long short-term memory network was used to study, aiming to find a simple and efficient rapid detection method for adulterated milk. In this paper, qualitative and quantitative analysis of adulterated milk was carried out based on near-infrared hyperspectral data (400–1000 nm). The experimental
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Above Threshold Ionization spectra for Debye plasma embedded atom interacting with femtosecond laser pulse Spectrosc. Lett. (IF 1.7) Pub Date : 2023-03-31 Rachna Joshi, Pranav Kumar, Alok Kumar Singh Jha, Man Mohan
Abstract Investigation has been made to realize the effect of femtosecond Gaussian laser pulse interaction with atom embedded in Debye plasma. An ab-intio simulation has been performed using the accurate Crank-Nicholson technique for solving the time-dependent Schrodinger equation in space and time. The effect of femtosecond pulse is simulated by varying the field strength and Debye length, which results
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Thermal effects of the excitation laser power on carbonaceous meteorite Northwest Africa 6603 by Raman spectroscopy: an undergraduate research project Spectrosc. Lett. (IF 1.7) Pub Date : 2023-03-31 Mohamed Zakariya, Conan Bock, Rohil Kayastha, Analía G. Dall’Asén
Abstract Raman spectroscopy has been used extensively on meteoritic samples since it is a nondestructive tool that provides information about their structure and mineralogical composition, which can give important clues about planet formation. However, the power of the excitation laser used in this technique can alter the properties of the samples due to thermal effects. In this undergraduate research
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Binding characteristics of Bruton’s tyrosine kinase inhibitor ibrutinib with bovine serum albumin: multi-spectroscopic combined with molecular simulation Spectrosc. Lett. (IF 1.7) Pub Date : 2023-03-07 Shao-Liang Jiang, Lu Hu, Song-Bo Kou, Li Li, Jie-Hua Shi
Abstract Ibrutinib, as an oral Bruton’s tyrosine kinase inhibitor, has highly potent, covalent irreversible, and other characteristics. In this work, the binding characteristics of ibrutinib with bovine serum albumin were investigated using multi-spectroscopic techniques and molecular simulations. The findings demonstrated that ibrutinib could quench the endogenous fluorescence of bovine serum albumin
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Experimental spectroscopic and quantum computational investigation and molecular docking analysis of N-benzyloxycarbonyl-l-serine – an anticancer agent Spectrosc. Lett. (IF 1.7) Pub Date : 2023-03-02 A. Jeelani, S. Muthu, Fazilath Basha A, Ahmad Irfan, Rajesh R
Abstract This work presents the nature of N-benzyloxycarbonyl-l-serine through quantum chemical calculations and spectral analysis. The optimized geometry and vibrational frequencies were computed by density functional theory. The geometric parameters were theoretically obtained and those values were compared with experimental data. The calculated vibrational wavenumbers of the heading compound display
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Spectroscopic and chemometric characterization of green earth pigments employed by ancient Romans in the wall decoration of buildings in the X Regio (Venetia et Histria) Spectrosc. Lett. (IF 1.7) Pub Date : 2023-02-25 Alessandra De Lorenzi Pezzolo, Amedeo Dal Fabbro, Agata Alterio
Abstract In this work the study of the green pigments employed by ancient Romans in the decoration of 50 wall fragments from buildings of different ages located in seven archaeological sites of the Augustean X Regio (Venetia et Histria) is presented. The pigments are green earths—celadonite and glauconite, the latter associated to variable amounts of smectites—as found through mid-Infrared Fourier
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Concentrations of plant mineral nutrients and potentially toxic elements in some medicinal plants in the Asteraceae, Fabaceae, and Lamiaceae families from Southern Türkiye: insights into health implications Spectrosc. Lett. (IF 1.7) Pub Date : 2023-02-23 Faruk Karahan, Ibrahim Ilker Ozyigit, Ibrahim Ertugrul Yalcin, Asli Hocaoglu-Ozyigit, Bedriye Nazli Erkencioglu, Ahmet Ilcim
Abstract Medicinal plants have been used throughout history in the treatment of many diseases in traditional Anatolian folk medicine as well as all over the world. The rapid increase in agricultural and industrial activities due to the increasing population around the world causes air, water and soil pollution, and accumulation of potentially toxic elements in medicinal plants. In this study, plant
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Resonances close to the first ionization threshold of selenium Spectrosc. Lett. (IF 1.7) Pub Date : 2023-02-13 Wei-Chen Liang, Feng-Dong Jia, Xi Zhang, Fei Wang, Yu-Han Wang, Qian-Yi Wang, Jia-Le Zhu, Xin-Yi Wang, Zhi-Ping Zhong
Abstract Relativistic multichannel theory has been used to calculate the even-parity Rydberg states and odd-parity autoionizing (AI) Rydberg spectrum converging to the limit of second and third excited core states of selenium (Se), taking into account the ionic core dipole polarization effect caused by the Rydberg electron. Six even-parity Rydberg series 4s24p3(4So)np3P0,1,2 and 4s24p3(4So)np5P1
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The online in situ detection of plastic and its combustion smoke via laser-induced breakdown spectroscopy Spectrosc. Lett. (IF 1.7) Pub Date : 2023-01-13 Enlai Wan, Dongpeng Tian, Zhongmou Sun, Yuzhu Liu
Abstract With the development of modern industry, it can be said that from industrial production to the basic necessities of life, plastic products can be seen everywhere. What follows is the disposal of plastic waste. How to deal with plastic waste correctly is closely related to people’s health and the earth’s environment. In this paper, laser-induced breakdown spectroscopy is applied for the online
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Metals levels in Sarda orientalis collected from the commercial landings of Karachi Fish Harbor, Pakistan (northern Arabian Sea) and assessment of likely health risks to the consumers Spectrosc. Lett. (IF 1.7) Pub Date : 2023-01-11 Quratulan Ahmed, Levent Bat, Ayşah Öztekin, Qadeer Mohammad Ali, Farhana Shafiq Ghory, Farzana Yousuf
Abstract Anthropogenic activities are the major source of chemical pollutants including heavy metals in the coastal ecosystem which may accumulate in the aquatic organisms through the food web. Metal contamination in the marine fish pose serious threat to human health. This study deals with the human health risks of metal accumulation from Sarda orientalis consumption. The quantities of heavy metals
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Probing the interactions of guanine on silver nanoparticles by surface-enhanced Raman spectroscopy on an electrochemical system Spectrosc. Lett. (IF 1.7) Pub Date : 2023-01-04 Jie Li
Abstract As a typical deoxyribonucleic acid (DNA) base with diverse amino/imino groups, guanine has remarkable Raman activity; however, its Raman modes are largely forbidden in solid Raman measurements, which hinders full understanding of the chemistry of such DNA bases. Here a study on surface-enhanced Raman scattering (SERS) of guanine is reported by employing colloidal silver nanoparticles modified
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Soft X-ray and susceptibility based magnetic resonance imaging to map iron distribution in apples: initial results to model iron storage in water-deficient or dehydrated biological tissue Spectrosc. Lett. (IF 1.7) Pub Date : 2023-01-01 Subhendra Sarkar, Eric Lobel, Evans Lespinasse, Zoya Vinokur, Analia Basilicata, Sonia Orellana, Maria Orellana, Aaliyah Salmon, Joanna Syska, Aravis McBroom, Jian Wang, Anam Riaz, Jodi-Ann Douglas
Abstract Radiology departments have contributed significantly to greenhouse gases including release of toxic imaging contrast media to environment. We feel Radiology also has several spectroscopy and imaging tools that may apply to monitor and support cleaner environmental goals. The current manuscript is one of the firsts to prompt Radiology to move in that direction by non-invasive imaging of bio
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Vibrational spectroscopic, electronic influences, reactivity analysis and molecular docking studies of 2-Fluoro-4-iodo-5-methylpyridine Spectrosc. Lett. (IF 1.7) Pub Date : 2022-12-28 S. Selvakumari, C. Venkataraju, S. Muthu, P. Sangeetha, R. Rajesh
Abstract Geometrical optimization along with spectroscopic survey and electronic scrutiny of 2-Fluoro-4-iodo-5-methylpyridine were carried out by exercising Density-functional theory. The intramolecular hydrogen bonding interaction of the caption compound was investigated by means of the Natural Bond Orbital analysis. The Highest Occupied Molecular Orbital & Lowest Unoccupied Molecular Orbital energies
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Identification of high-oil content soybean using hyperspectral reflectance and one-dimensional convolutional neural network Spectrosc. Lett. (IF 1.7) Pub Date : 2022-12-28 Yue Yang, Jianxin Liao, Hongbo Li, Kezhu Tan, Xihai Zhang
Abstract It is of great significance to identify soybean seeds with high oil content since the oil content of soybean seeds decides oil yield. At present, related researches mostly used machine learning algorithm to identify soybean varieties with small samples. In this study, 5800 spectral data samples of 58 varieties in the range of 400–1000 nm were obtained. An acceptable method that combines hyperspectral
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Correlations between lipid contents of natural rubber and tensile properties of natural rubber-based compound, using attenuated total reflection Fourier transform infrared spectroscopy Spectrosc. Lett. (IF 1.7) Pub Date : 2022-12-16 Zohreh Asghari Barzegar, Saeed Taghvaei Ganjali, Mercedeh Malekzadeh, Fereshteh Motiee
Abstract In this study, the lipid contents of different kinds of natural rubber were measured by attenuated total reflection–Fourier transform infrared spectroscopy. The correlation between these amounts were considered with the tensile properties of natural rubber compounds. The Pearson correlation coefficients were more than −0.9 for all cases, which confirms that the models are acceptable. These
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Monitoring the leaf equivalent water thickness of kiwifruit in high temperature using leaf spectral reflectance Spectrosc. Lett. (IF 1.7) Pub Date : 2022-11-26 Zhen Zhang, Yu Fu, Hualong Li, Jianping Guo, Yuying Pan, Yong Zhang, Weimin Zhang, Jinghong Wang, Yuefeng Liu, Lu Liu
Abstract Leaf water status information is highly needed for assessing high temperature stress. Leaf equivalent water thickness (fresh weight − dry weight)/area) is commonly used functional plant trait. Retrieval of leaf equivalent water thickness based on hyperspectral remote sensing has been shown to be rapid and accurate. However, a universal index that is applicable to various plants remains a considerable
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A novel fluorescent probe for copper (II) ion based on rare earth polyoxometalate Spectrosc. Lett. (IF 1.7) Pub Date : 2022-11-11 Na Li, Xiaowen Chen, Yulan Huang, Li Wang, Jian Li, Xiangxiang Yang
Abstract A new strategy for the determination of Cu(II) ions was developed using K10H3[Eu(SiMo6W5O39)2]·28H2O. The polyoxometalate H4SiMo6W6O40 acts as a ligand to sensitize the europium ion to emit red fluorescence, and the fluorescence was quenched by the addition of Cu(II) ions. The luminescence of the central Eu3+ was quenched due to the inner filter effect (IFE) of Cu(II) to K10H3[Eu(SiMo6W5O39)2]·28H2O
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Molecular structure, molecular docking and vibrational spectra of 2,2′-[1,3,5,7-tetraoxo-5,7-dihydropyrrolo[3,4-f-[isoindole 2,6(1H,3H) diyl]]] diacetohydrazide molecule by density functional theory approach as human immunodeficiency virus inhibitory Spectrosc. Lett. (IF 1.7) Pub Date : 2022-11-04 Dhaidan Khalaf Kafi, Ahmed N. Ayyash
Abstract Molecular structure, molecular docking, and vibrational spectra of 2,2′-[1,3,5,7-tetraoxo-5,7-dihydropyrrolo[3,4-f-[isoindole 2,6(1H,3H) diyl]]] diacetohydrazide molecule by density functional theory approach as human immunodeficiency virus inhibitory. Despite several investigations into anti-human immunodeficiency virus therapy, human immunodeficiency virus infection remains difficult to
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Jatropha integerrima flower extract mediated green synthesis of silver nanoparticles: spectroscopic, catalytic, and antioxidant analysis Spectrosc. Lett. (IF 1.7) Pub Date : 2022-10-25 Anu Bala, Gita Rani, Rachna Ahlawat
Abstract Plant extract mediated nanoparticles have gained enormous attention for their green and rational approach and developed as an alternative to conventional chemical and physical methods. Here, the less exploited Jatropha integerrima flower extract is used in the synthesis of silver nanoparticles. The as-prepared nanoparticles exhibit a strong surface plasma resonance around 420 nm. Several spectroscopic
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Selecting near-infrared reflection spectroscopy pretreatment methods by chemical components valid and invalid absorption wavebands Spectrosc. Lett. (IF 1.7) Pub Date : 2022-10-25 Tiancheng Huang, Guiming Cai, Hubin Liu, Zhiyue Feng, Longlian Zhao, Junhui Li
Abstract An appropriate pretreatment method is crucial to establish a reliable model for near-infrared spectroscopy. It is usually selected by comparing model performance with different pretreatment methods, such as the root mean square error of internal cross-validation or the root mean square error of prediction. When the statistical indexes of the models are similar and indistinguishable, or the