Showing 1,141 - 1,160 results of 1,267 for search '"matrix-assisted laser desorption/ionization"', query time: 0.16s Refine Results
  1. 1141
  2. 1142

    Analysis of conjunctival sac microflora and antibiotic susceptibility testing in adolescents after wearing orthokeratology lens by Ruo-Xin Wang, Xue-Hui Zhang, Pan Li, Jin Wang, Yan-Hong Li, Xin Ai, Yan-Feng Bai

    Published 2023-09-01
    “…The culture of bacterial flora in conjunctival sac between the two groups were compared, the species were identified by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, and the antibiotic susceptibility testing was carried out for the positive strains cultured in the wearing group.RESULTS:The positive rate of conjunctival sac bacterial cultured in the wearing group and the non-lens group was 68.6%(35/51)and 60.0%(30/50), respectively(P>0.05). …”
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    Article
  3. 1143

    Outbreak of vancomycin-resistant Enterococcus faecium ST1133 in paediatric patients with acute lymphoblastic leukaemia from southern Brazil by Thaís Muniz Vasconcelos, Dany Mesa, Luiza Souza Rodrigues, Érika Medeiros dos Santos, Damaris Krul, Adriele Celine Siqueira, Renata Barbosa Vahia de Abreu, Fábio de Araújo Motta, Danieli Conte, Libera Maria Dalla-Costa

    Published 2024-03-01
    “…Species identification was performed using matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS), and the minimum inhibitory concentration (MIC) was assessed according to the European Committee for Antimicrobial Susceptibility Testing (EUCAST). …”
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    Article
  4. 1144

    Recent Advances in Synthesis, Structure Analysis, and Catalytic Reaction Mechanism of Metal Nanoclusters Based on Soft Ionization Mass Spectrometry by ZHANG Li-li1,2, ZHOU Jian1,2, FANG Cong1,3, SUN Xiao-yan1,2,3,4

    Published 2024-01-01
    “…Currently, the main ionization methods used for cluster analysis are electrospray ionization (ESI) and matrix-assisted laser desorption/ionization (MALDI). These two "soft" ionization techniques can obtain the quasi-molecular ion peaks of the clusters without destroying the structure of the clusters, thus determining the composition of the clusters. …”
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    Article
  5. 1145

    Distribution and metabolism of daidzein and its benzene sulfonates in vivo (in mice) based on MALDI-TOF MSI by Yanxiao Jiao, Xueqin Li, Yao Tang, You Peng, Guisen Chen, Xin Wang, Long Yan, Huihui Liu, Zongxiu Nie

    Published 2022-08-01
    “…Compared with traditional analytical methods, matrix-assisted laser desorption ionization time-of-flight mass spectrometry imaging (MALDI-TOF MSI) can directly analyze the distribution of compounds in tissues and organs. …”
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    Article
  6. 1146

    Atypical Multibacterial Granulomatous Myositis in a Horse: First Report in Italy by Claudia Rifici, Anna-Rita Attili, Davide De Biase, Roselane Gonçalves dos Santos, Núbia Seyffert, Thiago Luiz De Paula Castro, Henrique Cesar Pereira Figueiredo, Carmelo Scaramozzino, Stefano Reale, Orlando Paciello, Vincenzo Cuteri, Sharon Jane Spier, Vasco Azevedo, Giuseppe Mazzullo

    Published 2020-04-01
    “…Following the therapy and an initial disappearance of most of the lesions together with a general improvement of the mare, the clinical condition deteriorated, and new nodules appeared. Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) and PCR techniques revealed the presence of bacteria as <i>Glutamicibacter creatinolyticus</i> and <i>Dietzia</i> spp. …”
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    Article
  7. 1147

    Role of Staphylococcus agnetis and Staphylococcus hyicus in the Pathogenesis of Buffalo Fly Skin Lesions in Cattle by Muhammad Noman Naseem, Conny Turni, Rosalind Gilbert, Ali Raza, Rachel Allavena, Michael McGowan, Constantin Constantinoiu, Chian Teng Ong, Ala E. Tabor, Peter James

    Published 2022-08-01
    “…Bacterial identification was conducted by matrix-assisted laser desorption ionization–time of flight (MALDI-TOF) and strain typing by repetitive sequence-based PCR (rep-PCR) and DNA sequencing to determine species similarity and virulence factors. …”
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    Article
  8. 1148

    Early Life to Adult Brain Lipidome Dynamic: A Temporospatial Study Investigating Dietary Polar Lipid Supplementation Efficacy by Manuel Oliveira, Kyoko Koshibu, Andreas Rytz, Francesca Giuffrida, Sebastien Sultan, Amaury Patin, Mathieu Gaudin, Aurore Tomezyk, Pascal Steiner, Nora Schneider

    Published 2022-07-01
    “…Here, we carried out an exploratory study to assess the early postnatal temporal profiling of brain lipidome between postnatal day (PND) 7 and PND 50 using matrix-assisted laser desorption ionization as a mass spectrometry imaging (MALDI-MSI) in an in vivo preclinical model. …”
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  9. 1149

    In situ detection and mass spectrometry imaging of protein-related metabolites in Bombyx batryticatus before and after frying with wheat bran by Pai Liu, Pai Liu, Jie-Min Wang, Jie-Min Wang, Hao-Chuan Guo, Meng-Wei Zhao, Yong-Xing Song, Hui Guo, Xu-Hong Duan, Xu-Hong Duan, Yu-Ping Yan, Yu-Ping Yan, Yu-Guang Zheng, Yu-Guang Zheng

    Published 2023-04-01
    “…Then, an informative approach, which integrated matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) with chemometrics analysis, was established to screen processing-associated markers and reveal in situ spatial distribution patterns of protein-related metabolites. …”
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    Article
  10. 1150

    Shift in the skin microbiome among individuals presenting with filarial lymphedema compared to non-filarial healthy individuals in Ghana by Alexander Kwarteng, Solomon Wireko, Samuel Opoku Asiedu, Priscilla Kini, Bill Clinton Aglomasa, Emmanuel Kobla Atsu Amewu, Ebenezer Asiedu, Kennedy Gyau Boahen, Katherine Ryan Amato, Dorcas Obiri-Yeboah

    Published 2022-07-01
    “…Methods: This longitudinal study employed culture and Matrix-Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry (MALDI-TOF MS) to characterize the microbiota of filarial lymphedema lesions over 24 months follow-ups and considered how different it is from the skin bacterial composition of non-filarial individuals described previously in literature. …”
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    Article
  11. 1151

    Distribution of <i>Corynebacterium</i> Species and Comparative Results of Diagnostic Methods for Identifying <i>Corynebacterium</i> in Experimental Mice in Korea by Sehee Park, Hijo Shin, Sangwoon Kim, Teakchang Lee, Haejin Lee, Kihoan Nam, Wonkee Yoon, Hyoungchin Kim, Youngwon Seo, Youngsuk Won, Hyojung Kwon

    Published 2022-06-01
    “…Diagnoses were also performed using matrix-assisted laser desorption/ionization–time of flight mass spectrometry (MALDI-TOF MS) and biochemical methods. …”
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    Article
  12. 1152

    Methicillin-resistant coagulase-positive staphylococci in new, middle-aged, and old veterinary hospitals in southern Thailand: A preliminary study by Tanawan Soimala, Siriwat Wasiksiri, Kanpapat Boonchuay, Tuempong Wongtawan, Punpichaya Fungwithaya

    Published 2024-02-01
    “…Hospitals were defined as those that had been in operation for 5 years (new, n = 5), 5–15 years (middle-aged, n = 6), or >15 years (old, n = 3). Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry was used to identify 280 samples, and duplex polymerase chain reaction was used to identify resistance genes (mecA and blaZ). …”
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    Article
  13. 1153

    In Vitro Evaluation of Postbiotics Produced from Bacterial Isolates Obtained from Rainbow Trout and Nile Tilapia against the Pathogens <em>Yersinia ruckeri</em> and <em>Aeromonas s... by Mario Quintanilla-Pineda, Chajira Garrote Achou, Jesús Díaz, Ana Gutiérrez-Falcon, María Bravo, Juan Ignacio Herrera-Muñoz, Nelson Peña-Navarro, Carlos Alvarado, Francisco C. Ibañez, Florencio Marzo

    Published 2023-02-01
    “…Afterwards, additional screening was carried out by spot-on-lawn assay to finally select twelve isolates; four were identified as <i>Pediococcus acidilactici</i>, seven as <i>Weissella cibaria</i>, and one as <i>Weissella paramesenteroides</i> by matrix assisted laser desorption/ionization, time-of-flight mass spectrometry (MALDI-TOF MS). …”
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    Article
  14. 1154

    A novel strategy for screening mutations in the voltage-gated sodium channel gene of Aedes albopictus based on multiplex PCR-mass spectrometry minisequencing technology by Qunzheng Mu, Xin Zhao, Fengfeng Li, Wenyu Li, Xinxin Zhou, Xinchang Lun, Yiguan Wang, Dongdong Hua, Qiyong Liu, Di Xiao, Fengxia Meng

    Published 2023-08-01
    “…Results Three target sites (1016, 1532, 1534) in the VGSC gene can be detected simultaneously by double PCR amplification combined with matrix-assisted laser desorption ionization–time-of-flight mass spectrometry, achieving a detection limit of 20 fg/μl. …”
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    Article
  15. 1155

    Antimicrobial Resistance and Biofilm Formation of <i>Escherichia coli</i> Isolated from Pig Farms and Surroundings in Bulgaria by Mila D. Kaleva, Yana Ilieva, Maya Margaritova Zaharieva, Lyudmila Dimitrova, Tanya Chan Kim, Iva Tsvetkova, Yordan Georgiev, Petya Orozova, Krasimir Nedev, Hristo Najdenski

    Published 2023-07-01
    “…The isolation of single bacterial cultures was performed via standard procedures with modifications, and <i>E. coli</i> isolates were identified via matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) and polymerase chain reaction (PCR). …”
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    Article
  16. 1156

    Isolation and identification of cellular stress proteins associated with boid inclusion body disease by Ilyasu, Yusuf Maina

    Published 2016
    “…Fourteen proteins were identified from the infected specimens using peptide mass finger printing with matrix-assisted laser desorption/ionization-time of flight-mass spectrometry, twelve out of which were heat shock proteins. …”
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    Thesis
  17. 1157

    Identification of thermostable peptide markers in meats using gel-based fractionation coupled with mass spectrometry by Mat Junoh, Nadiah

    Published 2018
    “…The third aim was to identify the thermostable protein and peptide markers obtained from electrospray ionization liquid chromatography-mass spectrometry (ESI-LC-MS) and matrix-assisted laser desorption ionization time-of-flight/time-of-flight tandem mass spectrometry (MALDI-TOF/TOF-MS/MS). …”
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    Thesis
  18. 1158

    Antibioflm effects of extracellular matrix degradative agents on the biofilm of different strains of multi-drug resistant Corynebacterium striatum by Juan Wen, Zhaohui Wang, Xiaoli Du, Roushan Liu, Junrui Wang

    Published 2022-11-01
    “…Methods C. striatum isolates were identified using VITEK-2 ANC card, matrix-assisted laser desorption/ionization-time of flight mass spectrometry and 16S rRNA sequencing. …”
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    Article
  19. 1159

    Derangements of amino acids in cachectic skeletal muscle are caused by mitochondrial dysfunction by Thomas Kunzke, Achim Buck, Verena M. Prade, Annette Feuchtinger, Olga Prokopchuk, Marc E. Martignoni, Simone Heisz, Hans Hauner, Klaus‐Peter Janssen, Axel Walch, Michaela Aichler

    Published 2020-02-01
    “…Using matrix‐assisted laser desorption/ionization (MALDI) mass spectrometry imaging, we determined the in situ concentrations of amino acids and proteins, as well as energy and other cellular metabolites, in skeletal muscle tissues from genetic mouse cancer models (n = 21) and from patients with cancer (n = 6). …”
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    Article
  20. 1160

    Nrf2 deficiency deteriorates diabetic kidney disease in Akita model mice by Yexin Liu, Akira Uruno, Ritsumi Saito, Naomi Matsukawa, Eiji Hishinuma, Daisuke Saigusa, Hong Liu, Masayuki Yamamoto

    Published 2022-12-01
    “…In the Akita::Nrf2−/− mouse kidneys, the expression of glutathione (GSH) synthesis-related genes was decreased, and the actual GSH level was decreased in matrix-assisted laser desorption/ionization mass spectrometry imaging analysis. …”
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    Article