Showing 41 - 60 results of 60 for search '"NIST"', query time: 0.04s Refine Results
  1. 41

    A High Throughput Method for Measuring Polycyclic Aromatic Hydrocarbons in Seafood Using QuEChERS Extraction and SBSE by Edward A. Pfannkoch, John R. Stuff, Jacqueline A. Whitecavage, John M. Blevins, Kathryn A. Seely, Jeffery H. Moran

    Published 2015-01-01
    “…This method provides acceptable recovery (65–138%) linear calibrations and is sensitive (LOD = 0.02 ppb, LOQ = 0.06 ppb) while providing higher throughput and maintaining equivalency between NOAA 2004 as determined by analysis of NIST SRM 1974b mussel tissue.…”
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  2. 42

    A novel method for developing post-quantum cryptoschemes and a practical signature algorithm by Nikolay Andreevich Moldovyan, Dmitriy Nikolaevich Moldovyan

    Published 2025-01-01
    “…Purpose – The practical purpose of this research is to propose a candidate for post-quantum signature standard that is free of significant drawback of the finalists of the NIST world competition, which consists in the large size of the signature and the public key. …”
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  3. 43

    A straightforward Py-GC/MS methodology for quantification of microplastics in tap water by Alexander Ccanccapa-Cartagena, Anandu Nair Gopakumar, Maryam Salehi

    Published 2025-06-01
    “…Unlike conventional approaches relying on expensive pyrolyzate libraries, this method identifies pyrolysis fragments by matching their m/z values with commercially available mass spectral libraries (Wiley Registry 12th Edition/NIST 2020) and confirms findings using pure polymer standards. …”
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  4. 44

    Analysis of Apple Flavours: The Use of Volatile Organic Compounds to Address Cultivar Differences and the Correlation between Consumer Appreciation and Aroma Profiling by Gareth Roberts, Natasha D. Spadafora

    Published 2020-01-01
    “…Forty compounds were detected and putatively identified by mass spectral comparison with NIST libraries. Eight compounds were not previously identified in apples. …”
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  5. 45

    Comprehensive Characterization of the Odor-Active Compounds in Different Processed Varieties of Yunnan White Tea (<i>Camellia sinensis</i>) by GC×GC-O-MS and Chemometrics by Junaid Raza, Baosong Wang, Yue Duan, Huanlu Song, Ali Raza, Dongfeng Wang

    Published 2025-01-01
    “…Among these, 133 compounds were successfully identified through the National Institute of Standards and Technology (NIST) library, and 21 were listed as unknown. The identified volatile classes include aldehydes, such as hexanal and heptanal, which contribute to the green aroma of white tea, and alcohols like 2-heptanol and 3-hexen-1-ol, which exhibit fresh and floral odor notes. …”
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  6. 46

    Rapid Screening of Volatile Organic Compounds from Aframomum danielli Seeds Using Headspace Solid Phase Microextraction Coupled to Gas Chromatography Mass Spectrometry by Mosotho J. George, Patrick B. Njobeh, Sefater Gbashi, Gabriel O. Adegoke, Ian A. Dubery, Ntakadzeni E. Madala

    Published 2018-01-01
    “…Portions of 0.25, 0.35, and 0.50 g of ground sample were weighed and extraction of volatile organic compounds (VOCs) was achieved using a 100 μm polydimethylsiloxane solid phase microextraction (PDMS SPME) fibre, with the equilibrium time of 40 minutes and extraction temperature of 50°C; the following compounds with their respective relative abundances were obtained as the top ten most abundant and annotated ones using NIST, Wiley, and Fragrances Libraries: eucalyptol (58%); β-pinene (22%); α-pinene (7.5%); α-terpineol (4%), α-terpinyl acetate (2%); α-bergamotene (1%); pinocarveol (0.39%); α-copaene (0.35%); caryophyllene (0.34); and β-bisabolene (0.31%). …”
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  7. 47
  8. 48

    Determination of Halogens by Ion Chromatography in Edible Mushrooms after Microwave-Induced Combustion for Sample Preparation by Gilberto Silva Coelho Junior, Filipe Soares Rondan, Carla Andrade Hartwig, Rafael Francisco Santos, Paola Azevedo Mello, Marcia Foster Mesko

    Published 2021-01-01
    “…The trueness of the proposed methods was evaluated by recovery tests using standard solutions and a reference material (RM NIST 8435). When using the standard solution, recoveries ranged from 95% to 103% for halogen determination by IC and from 105% to 109% for Br and I determination by ICP-MS. …”
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  9. 49

    Ultrasound-Assisted Extraction Followed by Inductively Coupled Plasma Mass Spectrometry and Multivariate Profiling of Rare Earth Elements in Coffee by Aleksandra Savić, Jelena Mutić, Milica Lučić, Jelena Vesković, Andrijana Miletić, Antonije Onjia

    Published 2025-01-01
    “…The method was validated using certified reference material (NIST SRM 1547), recovery tests at four fortification levels, and comparisons with microwave-assisted digestion (MAD). …”
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  10. 50
  11. 51

    qTrustNet Virtual Private Network (VPN): Enhancing Security in the Quantum Era by Hyoungsub Shim, Bongho Kang, Haejung Im, Duhyun Jeon, Seok-Min Kim

    Published 2025-01-01
    “…At the core of qTrustNet VPN&#x2019;s enhanced security is the integration of a Post-Quantum Cryptography (PQC) algorithm, developed by the National Institute of Standards and Technology (NIST). This PQC algorithm is designed to withstand the decryption capabilities of quantum computers, thus providing long-term security. …”
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  12. 52

    EPRNG: Effective Pseudo-Random Number Generator on the Internet of Vehicles Using Deep Convolution Generative Adversarial Network by Chenyang Fei, Xiaomei Zhang, Dayu Wang, Haomin Hu, Rong Huang, Zejie Wang

    Published 2025-01-01
    “…Our numerical experiments on famous test suites (NIST, ENT) demonstrate the effectiveness of the developed approach in high-quality random number generation for the IoV. …”
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  13. 53

    Blockchain-Driven Optimized Chaotic Encryption Scheme for Medical Image Transmission in IoT-Edge Environment by Goli Archana, Rajeev Goyal, K. M. V. Madan Kumar

    Published 2025-01-01
    “…The evaluation metrics like as NACI, UACI, Entropy and standard verification methods such as NIST standard tests are deployed and analyzed. To prove it security strength, proposed secured BC framework is compared with the wide-variety of secured frameworks. …”
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  14. 54

    Assessment of Volatile Chemical Composition of the Essential Oil of Jatropha ribifolia (Pohl) Baill by HS-SPME-GC-MS Using Different Fibers by Celia Eliane de Lara da Silva, Willian Ferreira da Costa, Sandro Minguzzi, Rogério Cesar de Lara da Silva, Euclésio Simionatto

    Published 2013-01-01
    “…The identification of compounds was confirmed by retention index (Kovats index) obtained from a series of straight chain alkanes (C7–C30) and by comparison with NIST and ADAMS library. A total of 61 compounds were identified in essential oil by GC-MS. …”
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  15. 55

    MARVEL Analysis of the Measured High-resolution Spectra of 12C16O by Salman Mahmoud, Nayla El-Kork, Nariman Abu Elkher, Mubarak Almehairbi, Malathe Samir Khalil, Tibor Furtenbacher, Attila G. Császár, Olga P. Yurchenko, Sergey N. Yurchenko, Jonathan Tennyson

    Published 2025-01-01
    “…Detailed comparisons are made with several existing data sets, such as the Kurucz and the HITRAN databases, NIST-certified wavelengths, and the list of lines protected by the International Astronomical Union, revealing occasional discrepancies.…”
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  16. 56

    Seasonal Variations in Chemical Composition and Antibacterial and Antioxidant Activities of <i>Rosmarinus officinalis</i> L. Essential Oil from Southwestern Romania by Ludovic Everard Bejenaru, Adina-Elena Segneanu, Cornelia Bejenaru, Andrei Biţă, Felicia Tuţulescu, Antonia Radu, Maria Viorica Ciocîlteu, George Dan Mogoşanu

    Published 2025-01-01
    “…The analysis aimed to identify and quantify the various components by comparing their mass spectra with reference spectra from the National Institute of Standards and Technology (NIST) Library 2020. The minimum inhibitory concentration (MIC) values of <i>Staphylococcus aureus</i> minimum were determined using the microdilution method (96-well plates). …”
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  17. 57

    Mycochemistry, antioxidant, anticancer activity, and molecular docking of compounds of F12 of ethyl acetate extract of Astraeus asiaticus with BcL2 and Caspase 3 by Swapan Kumar Ghosh, Koushik Pandey, Madhuparna Ghosh, Pradip Kumar Sur

    Published 2025-02-01
    “…Out of them Hexadecanoic acid, 9,12-Octadecadienoic acid and 3,4,5,6 Tetramethyloctane, exhibited suitable properties for drug -preparation and they showed anticancer activity and antioxidant activity as per NIST data base and library search. We have tried to focus on anticancer compounds derived from the partial purification (F12) of mushroom extract (AAEA) from this edible mushroom against cancer (cervical, lung, and breast) cell lines. …”
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  18. 58

    GC/MS Fatty Acid Profile of Marine-Derived Actinomycetes from Extreme Environments: Chemotaxonomic Insights and Biotechnological Potential by Marlene B. Cunha, André F. Jorge, Maria João Nunes, Joana R. Sousa, Maria João Lança, Marco Gomes da Silva, Susana P. Gaudêncio

    Published 2024-12-01
    “…Fatty acid methyl esters (FAMEs) were prepared from the ethyl acetate lipidic extracts of these strains and analyzed by gas chromatography–mass spectrometry (GC/MS), with FA identification performed using the NIST library. The identified FAs varied from C12:0 to C20:0, where 32 distinct FAs were identified, including 7 branched-chain fatty acids (BCFAs), 9 odd-chain fatty acids (OCFAs), 8 monounsaturated fatty acids (MUFAs), 6 saturated fatty acids (SFAs), 1 polyunsaturated fatty acid (PUFA), and 1 cyclic chain fatty acid (CCFA). …”
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  19. 59
  20. 60

    Chemical Composition Analysis of the Patented Naoxueshuan Formula Based on UPLC-Q-TOF MS and GC-MS by Chang LIU, Hui-qin WU, Jiang-bo QI, Hong-ling LIANG, Zhi-hua LIU, Hua-qiang HUANG, Su-ming YANG, Xi ZHOU, Fang HUANG, Hui-tai LUO

    Published 2025-01-01
    “…The main chromatographic peaks in both liquid and gas chromatograms were identified and analyzed according to the secondary mass spectrum information, NIST standard spectrum library and literatures. A total of 61 non-volatile components are identified in the Naoxueshuan decoction, including 14 flavonoids, 13 terpenoids, 9 glycosides, 5 organic acids, and 10 other types of compounds. …”
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