Showing 41 - 60 results of 62 for search '"mass spectra"', query time: 0.06s Refine Results
  1. 41

    In Vitro and In Vivo Evaluation of Alexa Fluor 680-Bombesin[7–14]NH Peptide Conjugate, a High-Affinity Fluorescent Probe with High Selectivity for the Gastrin-Releasing Peptide Rec... by Lixin Ma, Ping Yu, Bhadrasetty Veerendra, Tammy L. Rold, Lauren Retzloff, Adam Prasanphanich, Gary Sieckman, Timothy J. Hoffman, Wynn A. Volkert, Charles J. Smith

    Published 2007-05-01
    “…This conjugate was purified by reversed-phase high-performance liquid chromatography and characterized by electrospray-ionization mass spectra. The fluorescent probe Alexa Fluor 680-G-G-G-BBN[7–14]NH 2 conjugate was prepared by reaction of Alexa Fluor 680 succinimidyl ester to H 2 N-G-G-G-BBN[7–14]NH 2 in dimethylformamide (DMF). …”
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  2. 42

    Relationship between the Optical Properties and Chemical Composition of Urban Aerosol Particles in Lithuania by Julija Pauraite, Kristina Plauškaitė, Vadimas Dudoitis, Vidmantas Ulevicius

    Published 2018-01-01
    “…A positive matrix factorisation (PMF) was used for the organic aerosol mass spectra analysis to characterise the sources of ambient organic aerosol (OA). …”
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  3. 43

    Comparative Chemical Profiling and Biological Potential of Essential Oils of Petal, Choke, and Heart Parts of Cynara scolymus L. Head by Sana Razhan M. Alsubaiei, Hanan A. Alfawaz, Musarat Amina, Nawal M. Al Musayeib, Afaf El-Ansary, Syed Rizwan Ahamad, Omar M. Noman, Jaber A. Maini

    Published 2022-01-01
    “…Overall, 62 organic components were detected in the flower bud based on mass spectra characteristics and retention indices. The essential oil extracted from the petals, choke, and bud showed the presence of thirty-one, twenty-one, and twenty-one compounds, respectively, with linoleic acid and palmitic acid as the major components. 21 components were identified in the oil of the petals, comprising 94.45% of the total oil, in which linoleic acid methyl ester, palmitic acid methyl ester, octadecanoic acid methyl ester, O-α-d-glucopyranoside, and heptyl oct-3-yl ester were the major constituents. …”
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  4. 44

    GC-MS Analysis, Antimicrobial and Antioxidant Activities of Extracts of the Aerial Parts of <i>Conyza sumatrensis</i> by Olapeju O Aiyelaagbe, Stephen O Oguntoye, Abdulmumeen A Hamid, Adebola M Ogundare, David B Ojo, Ajibola Ajao, Nurudeen O Owolabi

    Published 2016-05-01
    “…The extracts were also analysed using Gas chromatography – Mass spectrometry, and the chromatogram coupled with mass spectra of the compounds were matched with a standard library. …”
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  5. 45

    Properties of Actinobacillus pleuropneumoniae isolates by V. А. Evgrafova, О. V. Pruntova, N. B. Shadrova, А. М. Timina

    Published 2023-06-01
    “…., Ltd, China): protein profiles were plotted and the peaks characteristic for each isolate were identified. Mass-spectra of tested Actinobacillus isolates and reference Actinobacillus pleuropneumoniae DSM 13472 strain were found to be in the m/z range of 2,000–12,000 Da. …”
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  6. 46

    Synthesis and Spectroscopic Studies of Axially Ligated Zn(II)5,10,15,20-meso-tetra(p-chlorophenyl)porphyrin with Oxygen and Nitrogen Donors by Gauri D. Bajju, Sujata Kundan, Ashu Kapahi, Deepmala Gupta

    Published 2013-01-01
    “…Absorption spectra reveal that complexes are accompanied by blue shift (hypsochromic shift) for phenolates and red shift (bathchromic shift) for pyridinates in comparison with the basic Zporphyrin emission bands. Mass Spectra determine the m/z ratio. The percentage of each element is confirmed by elemental analysis. …”
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  7. 47

    Comprehensive Methodological Approach to Determining Lipids in Clams by Alexandra V. Borodina, Yurii O. Veliaev, Alexander R. Osokin

    Published 2023-12-01
    “…It also contains an authentic scheme of chromatographic baths for stepwise separation, densitometric measurements, and examples of fatty acid chromatograms and mass spectra. The new sample preparation method for determining fatty acids in total lipids by gas chromatography demonstrated a minimal loss in native structure and proved to be less aggressive than standard methods of sample derivatization. …”
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  8. 48

    Synthesis and In Vitro AMPK Activation of Cycloalkyl/Alkarylbiguanides with Robust In Vivo Antihyperglycemic Action by Erika Gutierrez-Lara, Carlos Martínez-Conde, Edgar Rosales-Ortega, Juan José Ramírez-Espinosa, Julio C. Rivera-Leyva, David Centurión, Karla Carvajal, Daniel Ortega-Cuellar, Samuel Estrada-Soto, Gabriel Navarrete-Vázquez

    Published 2017-01-01
    “…All compounds were obtained as crystals and their structure was confirmed on the basis of their spectral data (NMR and mass spectra), and their purity was ascertained by microanalysis. …”
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  9. 49

    Synthesis and in silico ADMET evaluation of new thiazole and thiazolidine-4-one derivatives as non-ulcerogenic analgesic and anti-inflammatory agents by Nassiri Koopaei Mansur, Monavari Mahshid, Vousooghi Nasim, Moshirabadi Sadaf, Assarzadeh Mohammad Javad, Amini Mohsen, Almasirad Ali

    Published 2024-01-01
    “…The structures were confirmed by FT-IR, NMR and mass spectra. The abdominal constriction (writing) test was selected to evaluate analgesic activity and the results showed that nearly all of them were active, and the most potent was 10m with 96 % inhibition when compared to the control. …”
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  10. 50

    Nicotine-free vape liquids containing essential oils of peppermint, lavender, and tangerine: safety and efficacy profiles by Rahmad Aji Prasetya, Djamilah Arifiyana, Zain Budi Syulthoni

    Published 2024-11-01
    “…The most complicated vape liquid formula (F4), containing propylene glycol, vegetable glycerin, with those three EOs, was injected into GC-MS, and the mass spectra were compared to the Wiley mass spectral library to identify the compound name. …”
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  11. 51

    Characterization of a Novel Male Pheromone Compound in <i>Leucoptera sinuella</i> (Lepidoptera: Lyonetiidae) and Its Role in Courtship Behavior by Laura Sánchez-Aros, Abel F. O. Queiroz, Jorge Guajardo, Wilson Barros-Parada, Glenn P. Svensson, Jan Bergmann

    Published 2024-12-01
    “…Chemical microderivatization and comparisons of mass spectra and retention indices of natural compounds with synthetic standards led to the identification of two compounds: (<i>Z</i>)-3-decenyl hexanoate (the major component) and (<i>Z</i>)-3-decen-1-ol (a minor component). …”
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  12. 52

    Detection of early relapse in multiple myeloma patients by Tereza Růžičková, Monika Vlachová, Lukáš Pečinka, Monika Brychtová, Marek Večeřa, Lenka Radová, Simona Ševčíková, Marie Jarošová, Josef Havel, Luděk Pour, Sabina Ševčíková

    Published 2025-01-01
    “…At the same time, differences in the mass spectra between groups were identified using matrix-assisted laser desorption/ionization time of flight mass spectrometry. …”
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  13. 53

    A liquid chromatography-high-resolution mass spectrometry method for separation and identification of hemoglobin variant subunits with mass shifts less than 1 Da by Ainslie Chen, Ryan M. Aquino, Hector A. Vidal, Carolyn V. Wong, Ruben Y. Luo

    Published 2025-01-01
    “…The analytes could be explicitly observed in the deconvoluted MS1 mass spectra. The top-down analysis matched the amino acid sequences of the correct Hb variant subunits. …”
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  14. 54

    Ecotoxicological insight of phytochemicals, toxicological informatics, and heavy metal concentration in Tridax procumbens L. in geothermal areas by N.B. Maulydia, R. Idroes, K. Khairan, T.E. Tallei, F. Mohd Fauzi

    Published 2024-01-01
    “…In addition, quantitative analysis was conducted using gas chromatography–mass spectroscopy to obtain the chromatograms and mass spectra of the metabolite compounds of the ethanolic extract of Tridax procumbens, which were used in computational toxicology analysis using a simplified molecular input system in a predictor server. …”
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  15. 55

    A MALDI-ToF mass spectrometry database for identification and classification of highly pathogenic bacteria by Peter Lasch, Wolfgang Beyer, Alejandra Bosch, Rainer Borriss, Michal Drevinek, Susann Dupke, Monika Ehling-Schulz, Xuewen Gao, Roland Grunow, Daniela Jacob, Silke R. Klee, Armand Paauw, Jörg Rau, Andy Schneider, Holger C. Scholz, Maren Stämmler, Le Thi Thanh Tam, Herbert Tomaso, Guido Werner, Joerg Doellinger

    Published 2025-01-01
    “…To improve MALDI-ToF MS diagnostics of HPB we initiated a program to develop protocols for reliable and MALDI-compatible microbial inactivation and to acquire mass spectra thereof many years ago. As a result of this project, databases covering HPB, closely related bacteria, and bacteria of clinical relevance have been made publicly available on platforms such as ZENODO. …”
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  16. 56

    Material Properties of n‐Type β‐Ga2O3 Epilayers with In Situ Doping Grown on Sapphire by Metalorganic Chemical Vapor Deposition by Fu‐Gow Tarntair, Chih‐Yang Huang, Siddharth Rana, Kun‐Lin Lin, Shao‐Hui Hsu, Yu‐Cheng Kao, Singh Jitendra Pratap, Yi‐Che Chen, Niall Tumilty, Po‐Liang Liu, Ray‐Hua Horng

    Published 2025-01-01
    “…The dopant concentrations of Ga2O3 grown at 825 °C with TEOS molar flows of 2.23 × 10−7, 4.47 × 10−7, and 6.69 × 10−7 mol min−1 are measured to be 5.5 × 1019, 1.1 × 1020, and 1.4 × 1020 atom cm−3, respectively, using secondary ion mass spectra and Hall measurements reveal n‐type nature with carrier concentrations of 6.5 × 1017, 3.2 × 1018, and 3.9 × 1018 atom/cm3 , respectively. …”
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  17. 57

    Improvement of a MALDI-TOF database for the reliable identification of Candidozyma auris (formally Candida auris) and related species by Hui-Hui Zhu, Miao-Miao Liu, Teun Boekhout, Qi-Ming Wang

    Published 2025-01-01
    “…To improve diagnostics of this and closely related species, we created a database of reference mass spectra resulting in the efficient and correct identification of all Candidozyma species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). …”
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  18. 58

    Collection of microorganisms of ICG SB RAS as a genetic resource for biotechnology by A. V. Bryanskaya, Y. E. Uvarova, A. S. Rozanov, N. M. Slynko, V. N. Shlyakhtun, K. V. Starostin, E. A. Demidov, E. V. Lazareva, O. P. Taran, S. E. Peltek

    Published 2017-11-01
    “…The creation of personal mass spectra of protein profiles of the studied strains of the collection was carried out. …”
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  19. 59

    A Green Approach to the Production of Hybrid Diindolylmethane-Phenylboronic Acids via a 3MCR: Promising Antineoplasic Molecules by Mónica Zarco Juarez, Joel Omar Martínez, Olivia Noguez Cordova, María Inés Nicolás Vazquez, Teresa Ramírez-Apan, Javier Pérez Flores, René Miranda Ruvalcaba, Gabriel Arturo Arroyo Razo

    Published 2013-01-01
    “…During the FAB+ MS determinations, various artifacts that are associated with the boron atom via an interaction with thioglycerol from the matrix were noted in the corresponding FAB+ mass spectra; in addition, the accurate mass determination of these adducts unequivocally confirmed the presence of the target molecules. …”
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  20. 60

    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. …”
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