OOIR: Observatory of International Research

Papers

(The median citation count of Spectroscopy Letters is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Potential impacts of solvents topological aspects, Vanderwal effect, spectral investigation, and biological features of dodecyl 3,4,5-trihydroxybenzoate: anti-viral agent	21
Characterization of structure, composition, and fluorescence behavior of natural blue and purple sodalite	17
Spectroscopic determination of Deborah numbers in membrane-mimetic bolaamphiphile assemblies	14
Characterization of bone and dung biochars for potential use as precursors for artificial fertilizers	14
Wavelength dependence of thermal lens and all-optical switching of DB dye solution	13
Surface-enhanced Raman spectroscopy substrate based on silver/titanium dioxide nanocomposites and demonstration on rhodamine 6G and severe acute respiratory syndrome coronavirus 2 spike-1 protein	13
Green synthesis of ZnO NShs using poppy flower extract and spray pyrolysis for electrochemical detection applications	13
Immediate traceability of ash based on laser-induced breakdown spectroscopy and machine learning	13
The dual-mode fluorescent and colorimetric Ag@R-CDs probe for highly selective detection of Fe³ ⁺	11
A validated UPLC-MS/MS method for determination of CPM related substances in Ganmaoling Granules	10
Vibrational spectral and electronic properties, Topology studies and biological assay of a potent Anticonvulsant agent: Divalproex Sodium	10
The influence of nitrogen doping on the thermal conductivity of diamond heat sink	10
Application of X-ray principles to quantify sulfur oxidation states in concrete	9
Double quantum ionization cross-sections for more general exponential cosine screened coulomb potential	9
Seasonal variation in trophic niches and niche overlap between native and introduced cyprinid fishes	9
Rapid identification of chemical composition and quality markers of Gynostemma pentaphylla by ultra-performance liquid chromatography combined with triple quadrupole mas	8
Improving classification performance of extreme gradient boosting on small-sized dataset to classify Turkish and Italian wines along with elemental profiling by inductively coupled plasma-mass spectro	8
Exploring the thermal and photochemical properties of terbium-doped CeO ₂ : a comprehensive assessment	8
Spectral-spatial classification for non-invasive health status detection of neonates using hyperspectral imaging and deep convolutional neural networks	8
Ultrasensitive and rapid detection for multiple dopings in saliva and urine using surface-enhanced Raman spectroscopy	8
Direct discrimination of palm oil as an adulterant in edible oils using a portable Raman spectrometer	7
Synthesis, structural characterization, molecular docking and biological evaluation studies on 6-methoxy-8-nitroquinolinium 2,4-dinitrophenolate: a potent lung cancer drug	7
High harmonic generation spectra from polyacetylene in condensed phase	7
Resonances close to the first ionization threshold of selenium	7
Correction methods for visible near-infrared spectroscopy in water pH detection to mitigate temperature influence	7

Synthesis, characterization, and investigation of photoluminescence optima of In ³⁺ and Gd ³⁺ doped Eu _1.90	7
Probing the interactions of guanine on silver nanoparticles by surface-enhanced Raman spectroscopy on an electrochemical system	6
An insight into the co-doping effect of d-d transitions of transition metal ions and hypersensitivity of rare-earth ions in multicomponent glass-system	6
Discrimination of some expired and unexpired drugs under different conditions using Fourier Transform infrared-Attenuated Total Reflectance	6
Identification of components in composite coagulant AS/PDMDAAC by ATR-FTIR	6
Antibacterial activity of silver nanoparticles synthesized using endophytic fungus—Penicillium cinnamopurpureum	6
Similarity analysis of different origins cigar tobacco using near-infrared spectroscopy and main chemical components	6
Quantitative analysis of multicomponent mixtures of rubber and additives based on terahertz time-domain spectroscopy and Krawtchouk moments	5
Determination of the superior quality properties of randomly selected chestnut honey samples from the Sinop region	5
A facile green synthesis of pure nickel oxide (NiO) and Zr-doped NiO nanoparticles using aloe vera gel extract and its supercapacitors behavior	5
Comparison of benchtop near infrared and micro near infrared spectrometer for quality control of dried ginger and its different degrees of processed products	5
Monitoring the leaf equivalent water thickness of kiwifruit in high temperature using leaf spectral reflectance	5
Determination of bromine, iodine, and other components in northern Hainan island soil	5
Outlier detection method based on multi-model consensus	5
Effect of crystal structure on K shell binding energy of lead, mercury and tungsten using bremsstrahlung radiation	5
Structural studies, DFT based computational analysis and inhibitory potential of 2H-pyrido[1,2-a] pyrimidine-2,4(3H)-dione and 4-hydroxy-1,8-naphthyridin-2(1H)-one against MEK2	5
Elemental analysis of bottle glass by Laser-Induced Breakdown Spectroscopy based on TEA CO ₂ laser	5
MGHT: a multi-granularity hyperspectral image classification method based on hybrid Transformer	4
Synthesis, computational profiling, and anti-inflammatory potential of a thymol-mefenamic acid hybrid derivative	4
Mildew recognition on maize seed by use of hyperspectral technology	4
Sub-ppm-level detection of nanoplastics using au nanograting and application to disposable plasticware	4
Formation of a nitrobenzoxadiazole-based yellow fluorophore for the selective spectrofluorimetric determination of the antifungal drug pimaricin in ophthalmic pharmaceutical formulations	4
Serum Raman spectroscopy combined with Gaussian—convolutional neural network models to quickly detect liver cancer patients	4
The online in situ detection of plastic and its combustion smoke via laser-induced breakdown spectroscopy	4
Characteristic band selection of hyperspectral unmixing based on pixel simulation experiment	4
Measurement of the rotational temperature in arc flow field based on infrared radiation spectroscopy	4
Dynamic effect to gyromagnetic factors of the compressed tetragonal molybdenum (V) tetrahedral center in the light-irradiated lead molybdate crystal	4
Computational studies molecular structure investigation and experimental characterization of Bis(2-aminothiazolium): quantum chemical analysis, electronic transitions, interaction mechanisms, and mole	3
Impact of metals and metalloids in water on elemental homeostasis of dairy cattle at cold arid high altitude region	3
Surface-enhanced Raman spectroscopy for the quantitative detection of abscisic acid in wheat leaves using silver coated gold nanocomposites	3
Acrylic acid conformers and their interactions with dibutyl ether	3
Multi-analytical techniques for characterization of ancient Egyptian pottery objects from Cairo University excavations at Saqqara	3
Detection of cytotoxic effects of carboplatin in human nasopharyngeal carcinoma epithelioid cell line CNE-1 by Raman spectroscopy combined with multivariate statistical analysis	3
Self-consistent standard-based quantification of trace elements in biological samples using energy dispersive X-ray fluorescence technique	3
Atomic and electronic composition study of different anticonvulsants stabilized on titania-nanoreservoirs	3
Force degradation studies of relugolix: identification, isolation and structure characterization of stress degradation products by using liquid chromatography-mass spectrometry, auto purification mass	3
Research on corn quality detection based on near-infrared spectroscopy	3
UV-Vis and ATR-FTIR spectral data fusion strategy combined with chemometrics analysis for the development of identification and authentication method of Sida rhombifolia	3
Jatropha integerrima flower extract mediated green synthesis of silver nanoparticles: spectroscopic, catalytic, and antioxidant analysis	3
Based on near-infrared spectroscopy and chemometrics to rapidly evaluate the adulteration of Ganoderma lingzhi powder	3
“Dielectric properties and vibrational analysis of thiamine hydrochloride- DMSO binary mixture”	3
Enhancing environmental monitoring: utilizing plant and soil assays to track pollution in a Turkish organized industrial zone	3
Benzimidazole-based probe as selective and sensitive colorimetric chemosensor for fluorescent detection of Cu ²⁺ and CN ⁻ in ACN/H	3
Spectroscopic analysis of 2-amino-1-naphthalenesulfonic acid, molecular docking, and evaluation of the electronic properties of several solvents	3
Synthesis, vibrational spectroscopic investigation, molecular docking, antibacterial and antimicrobial studies of a new anthraquinone derivative compound	2
Optoelectronic exploration of two pyrazole-based oligomers: synthesis, characterization, theoretical calculations, and optical properties of thin films	2
Multi-isotope calibration for determination of nickel, molybdenum, barium and lead in soil samples by inductively coupled plasma mass spectrometry	2
Discrimination accuracy of haploid and diploid maize seeds using NIR spectroscopy coupled with different machine learning algorithms and data pretreatment methods	2
Synthesis, characterization, and photoluminescence of zinc oxide ultra-thin nanowires	2
Effects of fluorophore substituents on the properties of ruthenium-based fluorescent probe for detection ethylene gas	2

Investigation of dielectric properties of isopropyl alcohol with pyridine mixture using time domain reflectometry	2
Raman spectra interpretation of plasma char derived from plasma-assisted pyrolysis of oil palm empty fruit bunch	2
Ratiometric luminescence detection of Bi(III) ions in water using a europium coordination polymer	2
A novel fluorescent probe for copper (II) ion based on rare earth polyoxometalate	2
Use of a correction factor for the pulsecal subroutine used for pulse width calibration and identifying a hardware fault causing pulsecal to fail	2
Comparative analysis of chemical composition, thermal stability, and bioactive properties of buckthorn seed oil samples	2
Evaluation of seed oil quality in Iris lactea by attenuated total reflection-Fourier transform infrared spectroscopy coupled with chemometrics	2
Structural insights and biological activity of (E)-4-(1-(2-(4-(4-chlorophenyl)thiazol-2-yl)hydrazono)ethyl)phenol: a potential therapeutic for breast cancer	2
Effect of annealing treatment on optical properties of structural color films	2
Optical imaging combined with artificial intelligence in plant disease detection: a comprehensive review	2
Soybean polypeptide content detection based on fusion of spectral and image information	2
Phytochemical properties and antioxidant capacities of some Campanula species from Turkey	2
Molecular insights into 5-hydroxymethylfurfural: a computational, spectroscopic, and docking investigation	2
Spectrofluorimetric detection of bacitracin zinc in different water samples based on its derivatization with o-phthalaldehyde and 2-mercaptoethanol	2
Prediction of milk protein content based on improved sparrow search algorithm and optimized back propagation neural network	2
Design and demonstration of a portable and low-cost Raman spectrometer for rapid and low-cost estimation of marker molecules in plants	2
Adsorption of methyl paraben by ion exchange resins	2
Laser-induced fluorescence spectroscopy of the B ⁵Π_-1 – X ⁵Π_-1 system of the chromium monosulfide molecule	2
Online detection of tobacco combustion components based on laser-induced breakdown spectroscopy	2
Characterization of adhesives popularly encountered in forensic cases with Fourier transform infrared spectroscopy and the detailed interpretation for the infrared spectra	2
Comprehensive analysis of Indacaterol and Theophylline molecules: insights from DFT, FTIR, Raman, UV, molecular docking, and ADMET studies	1
Evaluation of garnet phenocrysts in volcanic rocks (Görece/İzmir – Western Türkiye) for their usability as a semi-precious gemstone by multi-analytical methods	1
Synthesis of carbon dots from corn stover and their application in quercetin detection	1
Photocatalytic application of nickel oxide/zinc oxide nanoparticles decorated kaolinite nanocomposite for the degradation of crystal violet	1
Femtosecond excitation of two-photon absorption in ruby	1
Utilizing a medicinal plant and soil assays for heavy metal pollution assessment and its impacts in a Turkish Industrial Zone	1
Spectroscopic detection of chromatin uncoiling and chromosome alignment in neuronal-like cells under exposure to low intensity magnetic fields	1
Determination of various elements in geochemical exploration samples via X-ray fluorescence spectroscopy using finer sample preparation	1
Gamma spectroscopic analysis of DU residues in post- conflict region of Southern Iraq: Mount Sanam area case study	1
Rapid and sensitive method for trace arsenic analysis in pharmaceutical intermediate vinyl ethyl ether by ICP-MS/MS	1
Investigation of biological activities of silver nanoparticles synthesis from the root extract of endemic Onosma mutabilis (O. mutabilis) Plant	1
Comparative photogalvanic study of various alkali materials in the transparent H-cell design	1
Rapid determination ofPanax notoginsengorigin by terahertz spectroscopy combined with the machine learning method	1
Electronic structure of a dinuclear ruthenium(II)-2,2’-bipyridine complex	1
A comparative experimental and computational approach to the synthesis, spectroscopy, chemical reactivity and in silico investigations for C-Vinyl pyrrole-hydrazone deri	1
Feasibility of automatic classification of sandstones using spectral data and an artificial neural network	1
Assessment of apple soluble sugar content by hyperspectral vegetation indexes	1
Nonlinear response correction method for absorption enhancement effects in X-ray fluorescence analysis	1
Experimental and theoretical spectra of thymoquinone monoterpene in the far infrared region	1
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)	1
An insight into antimicrobial activity and nonlinear optical activity of 1-acetyl-2-(3-methoxy-4-propoxyphenyl) cyclopropane by theoretical and vibrational approach	1
Instrumental development for laser spectroscopic techniques and applications	1
Sensitive determination of organophosphorus pesticide residues in fruits and vegetables by solid phase extraction and enzyme inhibition UV-spectrophotometry	1
Synthesis and spectroscopic characterization of 3-(3,4-dimethoxyphenylethylamino)-methylidene-1,2,3,9-tetrahydropyrrolo[2,1-b]-quinazolin-9-one and crystal structure of its hydrochloride	1
Terahertz spectral image reconstruction based on compressed sensing and deconvolution theory	1
Experimental spectra, quantum chemical methods molecular docking and research on fexofenadine: Experimental and theoretical approach	1
DGCNet: an efficient 3D-Densenet based on dynamic group convolution for hyperspectral remote sensing image classification	1
New possibilities for the glaucoma diagnostics using the synchronous fluorescence spectra of tear fluid	1
Element concentrations of large rainbow trout (Oncorhynchus mykiss) in the Black Sea: selenium-mercury balance and the risk assessments for consumer health	1
Tunable NIR emission via Nd ³⁺ → Yb ³⁺ energy transfer in different phases of Y ₆ MoO	1
Molecular spectroscopic and elemental analyses for the identification of multi-layered automotive coatings with Fourier Transform Infrared Spectroscopy (FTIR), Raman Microscopy and Scanning Electron M	1
Research on infrared spectral characteristics and rapid detection technology of industrial hemp	1
Some physicochemical properties of pure and pollution-free Sinop chestnut honey	1
Data fusion of synchronous fluorescence and surface enhanced Raman scattering spectroscopies for geographical origin traceability of Atractylodes macrocephala Koidz	1
Natural radioelements concentration analysis and risk assessment in drinking water of mining area Niger State, North Central Nigeria	1
Spectroscopic and computational studies of the biomolecular complex of chemotherapy drug, lomustine and a nucleotide base adenine	1
Lattice vibrations of the Ruddlesden-Popper compounds barium orthorhodate, barium orthoiridate, barium orthoplumbate, and barium orthostannate in tetragonal phase	1
Feasibility of near-infrared spectroscopic rapid detection method for the water content of vermiculite substrates in desert facility agriculture	1
Exploration of novel imidazo[4,5-b]indoles scaffolds as multi target peroxidase, acetylcholinesterase, and butyrylchloinesterase inhibitors: synthesis, spectral analysis, and molecular docking studies	1
Detection of total iron content based on improved extreme learning machine	1
Fluorescence spectral detection of copper(II), mercury(II) and zinc(II) based on a multifunctional peptide-based sensor	1
Photoluminescent characterization of trivalent samarium activated aluminates based nano-crystals for advanced photonic applications	1
Spectral characteristics analysis of typical ground objects in Poyang Lake wetland based on “Zhuhai-1” hyperspectral data	1
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	1
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 implic	1
Experimental spectroscopic and quantum computational investigation and molecular docking analysis of N-benzyloxycarbonyl-l-serine – an anticancer agent	1
Spectroscopic characterization and quantum chemical calculations on Favipiravir-Guanine biomolecular complex	1
A green biocatalysis and molecular imprinting enrichment of arctigenin from the fruits of Arctium lappa L produced by cellulose-based immobilized Bacillus	1
Structural, Fukui, non-covalent analysis, molecular docking, free energy landscapes, and principle component analysis of biological active 1,8-naphthalic anhydride	1
Raman spectroscopy as a novel technique for the identification of pathogens in a clinical microbiology laboratory	1
Above Threshold Ionization spectra for Debye plasma embedded atom interacting with femtosecond laser pulse	1
Determination of interaction modes of lanosterol with serum albumin using different spectroscopic techniques and molecular docking	1
Photophysical properties and dynamics simulation of the interaction between human serum albumin and hydroxy polybrominated diphenyl ether	1