Showing 261 - 280 results of 461 for search '"fingerprint"', query time: 0.04s Refine Results
  1. 261

    Determination of Geographical Origin of Wuchang Rice with the Geographical Indicator by Multielement Analysis by Lili Qian, Feng Zuo, Hongyan Liu, Caidong Zhang, Xiaoxing Chi, Dongjie Zhang

    Published 2019-01-01
    “…The study aims to investigate whether the multielement analysis result can be used as a fingerprint to identify the geographical origin of Wuchang rice. …”
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    Article
  2. 262

    Volatolomics for Anticipated Diagnosis of Cancers with Chemoresistive Vapour Sensors: A Review by Abhishek Sachan, Mickaël Castro, Jean-François Feller

    Published 2025-01-01
    “…The promises of vapour sensor arrays are to provide a rapid, reliable, non-invasive and ready-to-use method for clinical applications by making an olfactive fingerprint characteristic of people’s health state, to increase their chance of early recovery. …”
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  3. 263

    Rapid Analytical Method to Characterize the Freshness of Olive Oils Using Fluorescence Spectroscopy and Chemometric Algorithms by Aimen El Orche, Mustapha Bouatia, Mohamed Mbarki

    Published 2020-01-01
    “…This study demonstrated the feasibility of the fluorescence spectroscopy fingerprint (routine technique) for the classification of olive oils according to their freshness and storage time.…”
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  4. 264

    Analysis of Volatile Organic Compounds by HS-GC-IMS in Powdered Yak Milk Processed under Different Sterilization Conditions by Duo Feng, Jing Wang, Xiao-Jiao Ji, Wen-Xiang Min, Wen-Jie Yan

    Published 2021-01-01
    “…Furthermore, principal component analysis (PCA) and fingerprint similarity analysis based on Euclidean distance compared the YMPs and found that the YMPs had certain differences, which can distinguish the YMPs with different sterilization methods. …”
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    Article
  5. 265

    The Application of FTIR Spectroscopy Combined Chemometrics for Analysis of Keting Fish Oil in Binary Mixture with Patin Fish Oil and Palm Oil by Nadia Miftahul Jannah, Abdul Rohman, Lily Arsanti Lestari

    Published 2023-12-01
    “…In this present research, PLS and PCR models were used to construct a multivariate calibration for the KFO content in the binary mixtures analyzed at fingerprint region frequencies of 1500-1000 cm-1. The results showed that PLS with second derivative FTIR spectra was well suited for quantitative analysis of KFO-PFO with a value of the coefficient of determination (R2) = 0.997 and the error expressed as root mean square error of calibration (RMSEC) = 0.0204. …”
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  6. 266

    Recognition of Reconstructed Frontal Face Images Using FFT-PCA/SVD Algorithm by Louis Asiedu, Felix O. Mettle, Joseph A. Mensah

    Published 2020-01-01
    “…Face recognition has gained prominence among the various biometric-based methods (such as fingerprint and iris) due to its noninvasive characteristics. …”
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  7. 267

    Aromatic pi-complexation of 1,5-diisocyanonaphthalene with benzene derivatives by Erika Kopcsik, Zoltán Mucsi, Rajmond Schiwert, László Vanyorek, Béla Viskolcz, Miklós Nagy

    Published 2025-01-01
    “…The resulting spectra can be classified as benzene-, toluene-, and xylene-like types and may be used for the fingerprint identification of benzenes with different electron donating/withdrawing substituents. …”
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    Article
  8. 268

    Screening and Identification of Antipyretic Components in the Postfrost Leaves of Morus alba Based on Multivariable and Continuous-Index Spectrum-Effect Correlation by Yongsheng Qu, Liang Wang, Wei Guo

    Published 2019-01-01
    “…Subsequently, the chemical profiles of LMA before and after frost were characterized by fingerprint, respectively. Then, the endemic peaks after frost and positive differential peaks were screened as the research object of spectrum-effect correlation by orthogonal signal correction partial least square discrimination (OPLS). …”
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    Article
  9. 269

    Temperature Dependent Structural, Optical, Photocatalytic and Magnetic Properties of WO3 Nanoparticles by Shakun Saini, Manmeet Kaur, Chhavi Pahwa, Sonal Singh

    Published 2024-08-01
    “…The FTIR results confirm the functionalities of WO3 nanoparticles in the fingerprint and functional group regions. FESEM analysis revealed that the surface morphology of WO3 powder consists of spherical nanoparticles and EDS spectroscopy confirms the presence of tungsten and oxygen elements with perfect stoichiometry. …”
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    Article
  10. 270

    Development of Global Chemical Profiling for Quality Assessment of Ganoderma Species by ChemPattern Software by Hui Zhang, Huijie Jiang, Xiaojing Zhang, Shengqiang Tong, Jizhong Yan

    Published 2018-01-01
    “…For fingerprint analysis, 11 peaks of triterpenoids were selected as the characteristic peaks to evaluate the similarities of different samples. …”
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  11. 271

    Synthesis, crystal structure and Hirshfeld surface analysis of bis(acetylacetonato-κ2O,O′)(2-amino-1-methyl-1H-benzimidazole-κN3)copper(II) by Kyzlarkhan Siddikova, Daminbek Ziyatov, Akmaljon Tojiboev, Jamshid Ashurov, Zukhra Kadirova, Shahlo Daminova

    Published 2025-01-01
    “…Hirshfeld surface analysis and two-dimensional fingerprint plots were utilized to quantify the intermolecular interactions, revealing the relative contributions of H...H (61.1%), H...C/C...H (21.3%), and O...H/H...O (11.3%) contacts to the crystal packing.…”
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  12. 272

    Digital technology and artificial intelligence issues in scientific works by A. N. Timokhovich, E. G. Samokhodkina, E. V. Samokhodkin, A. A. Elzon

    Published 2023-04-01
    “…The main semantic units, reflecting different aspects of the research field are digitalization; artificial intelligence (additional semantic units: knowledge representation, theorem proving, computer vision, robotics, machine learning, multi-agent systems, artificial intelligence tools); neural networks (additional semantic units: learning with a teacher, learning without a teacher, input data); strong or general artificial intelligence, weak or applied artificial intelligence; Marusya voice assistant, Alisa voice assistant, Siri voice assistant, Bixby voice assistant, Google Assistant; speech recognition, fingerprint recognition, human face identification. …”
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    Article
  13. 273

    Handling Imbalance Classification Virtual Screening Big Data Using Machine Learning Algorithms by Sahar K. Hussin, Salah M. Abdelmageid, Adel Alkhalil, Yasser M. Omar, Mahmoud I. Marie, Rabie A. Ramadan

    Published 2021-01-01
    “…A large set of experiments were implemented on Apache Spark using numeric PaDEL and fingerprint descriptors. The proposed solution was compared to both no-sampling method and SMOTE on the same datasets. …”
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    Article
  14. 274

    Employee attendance system using face recognition and GPS using local binary pattern histogram by Narahari Vigraha Prasada, Ikrimach

    Published 2024-12-01
    “…Conventional approaches such as manual sign-ins and RFID cards or fingerprint scanning have shown important weaknesses, especially with regard to proxy attendance (buddy punching). …”
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    Article
  15. 275

    Rapid Quantitative Analysis of Forest Biomass Using Fourier Transform Infrared Spectroscopy and Partial Least Squares Regression by Gifty E. Acquah, Brian K. Via, Oladiran O. Fasina, Lori G. Eckhardt

    Published 2016-01-01
    “…The effect of reducing the wavenumber range to the fingerprint region for PLS modeling and the relationship between the chemical composition and higher heating value of logging residue were also explored. …”
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  16. 276

    Facile SERS screening of melamine in bovine milk with 2D printed AgNPs/glass fabric filter paper as the flexible substrate by Shiyao Wang, Yanan Zhao, Xiao Wei, Yisheng Chen

    Published 2024-09-01
    “…Under optimized conditions, a sensitive and fingerprint-like signal at 674 cm−1 was obtained. The AgNPs/GF substrate exhibited high sensitivity to melamine in milk down to 1.9498×10−5 mg/mL, which is well below the USA and EU safety limits (2.5×10−3 mg/mL). …”
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  17. 277

    Chemical and Oxygen Isotopic Composition of Roman and Late Antique Glass from Northern Greece by Alberta Silvestri, Elissavet Dotsika, Antonio Longinelli, Enricomaria Selmo, Sophia Doukata-Demertzi

    Published 2017-01-01
    “…The present paper emphasizes the importance of measuring the oxygen isotopic and chemical compositions of ancient glass, in order to constrain some features such as age, raw materials, and production technologies and to identify the “fingerprint” of local productions. In this context, thirty-nine Roman and late Antique glass samples and eight chert samples from northern Greece were selected and analysed for their oxygen isotopic and chemical compositions. …”
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    Article
  18. 278

    A Review of Detection of Antibiotic Residues in Food by Surface-Enhanced Raman Spectroscopy by Jun-Fa Liang, Cheng Peng, Peiyu Li, Qiu-Xiong Ye, Yu Wang, Yun-Ting Yi, Zi-Sheng Yao, Gui-Yun Chen, Bin-Bin Zhang, Jia-Jian Lin, Qizhi Luo, Xuncai Chen

    Published 2021-01-01
    “…Thus, SERS has become a promising alternative analytical method for detecting antibiotic residues, as it can provide an ultrasensitive fingerprint spectrum for the rapid and noninvasive detection of trace analytes. …”
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    Article
  19. 279

    Light Hydrocarbon Geochemistry: Insight into Mississippian Crude Oil Sources from the Anadarko Basin, Oklahoma, USA by Ibrahim Atwah, Stephen Sweet, John Pantano, Anthony Knap

    Published 2019-01-01
    “…The result shows a distinct geochemical fingerprint reflected in biomarkers such as the abundance of extended tricyclic terpanes, together with heptane star diagrams, and diamantane isomeric distributions. …”
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  20. 280

    Bioassay-Guided Fractionation, ESI-MS Scan, Phytochemical Screening, and Antiplasmodial Activity of Afzelia africana by Bright Yaw Vigbedor, Jonathan Osei-Owusu, Ralph Kwakye, David Neglo

    Published 2022-01-01
    “…The main aim of the study was to carry out bioassay-guided fractionation of the crude methanol extract of Afzelia africana in order to isolate fractions and to evaluate their antiplasmodial activities and ESI-MS fingerprints. Methods. The methods employed include column chromatographic fractionation, phytochemical screening, antiplasmodial activity (malaria SYBER green assay (MSF)), and ESI-MS profile (full ESI-MS scan). …”
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    Article