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  1. 2841
    “…Radiolabeling of this most potent derivative [(18)F]16 was achieved after boron ester release and the tracer was evaluated in vivo in a rat model of neuroinflammation. …”
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    Design of selective COX-2 inhibitors in the (aza)indazole series. Chemistry, in vitro studies, radiochemistry and evaluations in rats of a [(18)F] PET tracer
  2. 2842
    “…Mangrove ecosystems are characteristic of the high salinity, limited nutrients and S-richness. Marichromatium gracile YL28 (YL28) isolated from mangrove tolerates the high concentrations of nitrite and sulfur compounds and efficiently eliminates them. …”
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    Comparative genome analysis of marine purple sulfur bacterium Marichromatium gracile YL28 reveals the diverse nitrogen cycle mechanisms and habitat-specific traits
  3. 2843
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    A Promising PET Tracer for Imaging of α(7) Nicotinic Acetylcholine Receptors in the Brain: Design, Synthesis, and in Vivo Evaluation of a Dibenzothiophene-Based Radioligand
  4. 2844
    “…Here, we reported a basic Helix-Loop-Helix transcription factor, named SlARANCIO (SlAR), whose silencing influences carotenoid accumulation in tomato fruits. …”
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    A basic Helix-Loop-Helix (SlARANCIO), identified from a Solanum pennellii introgression line, affects carotenoid accumulation in tomato fruits
  5. 2845
    “…METHODS: This study was designed to compare the performance of two different one-step-combined test strips for the detection of influenza A and B: one strip with fluorescent microspheres for tracers (FMT); and the other strip with colored microspheres for tracers (CMT). …”
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    Comparison of the detection performance of two different one-step-combined test strips with fluorescent microspheres or colored microspheres as tracers for influenza A and B viruses
  6. 2846
    “…The purpose of this study was to evaluate the pharmacokinetics of pictilisib noninvasively by radiolabeling it with (11)C and to assess the usability of the resulting [(11)C]-pictilisib as a positron-emission tomography (PET) tracer to screen for pictilisib-sensitive tumors. …”
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    (11)C-Labeled Pictilisib (GDC-0941) as a Molecular Tracer Targeting Phosphatidylinositol 3-Kinase (PI3K) for Breast Cancer Imaging
  7. 2847
    “…PURPOSE: The novel PET tracer [(11)C]SMW139 binds with high affinity to the P2X(7) receptor, which is expressed on pro-inflammatory microglia. …”
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    The P2X(7) receptor tracer [(11)C]SMW139 as an in vivo marker of neuroinflammation in multiple sclerosis: a first-in man study
  8. 2848
    “…The present work investigates the distributions of geochemical tracers of particle fluxes and circulation in the Amerasian Basin and their temporal evolution over the last three decades (from stations visited between 1983 and 2015). …”
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    Changes in Circulation and Particle Scavenging in the Amerasian Basin of the Arctic Ocean over the Last Three Decades Inferred from the Water Column Distribution of Geochemical Tracers
  9. 2849
    “…The two structurally very similar tracers showed strikingly different dissociation kinetics, which is predicted to result in divergent biological effects. …”
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    Cell‐permeable high‐affinity tracers for G(q) proteins provide structural insights, reveal distinct binding kinetics and identify small molecule inhibitors
  10. 2850
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    ¿Se ha hecho un uso más racional de los servicios de urgencias oftalmológicas ante la pandemia por COVID-19?
  11. 2851
    “…BACKGROUND: We suspected that moving a small neodymium magnet would promote migration of the magnetic tracer to the sentinel lymph node (SLN). Higher monitoring counts on the skin surface before making an incision help us detect SLNs easily and successfully. …”
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    Moving a neodymium magnet promotes the migration of a magnetic tracer and increases the monitoring counts on the skin surface of sentinel lymph nodes in breast cancer
  12. 2852
    “…The representation of tracer concentrations in source groups is perhaps the largest difference between published studies. …”
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    The representation of sediment source group tracer distributions in Monte Carlo uncertainty routines for fingerprinting: An analysis of accuracy and precision using data for four contrasting catchments
  13. 2853
    “…Therefore, a less-invasive dual stable isotope tracer approach was developed. OBJECTIVE: We aimed to test the assumption that the (15)N:(13)C enrichment ratio in the blood increases proportionally to the quantity ingested by applying different quantities of (15)N test protein. …”
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    Blood (15)N:(13)C Enrichment Ratios Are Proportional to the Ingested Quantity of Protein with the Dual-Tracer Approach for Determining Amino Acid Bioavailability in Humans
  14. 2854
    “…Instead, the tracer signal appeared at the borderline between lesion and healthy tissue. …”
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    Longitudinal Imaging Using PET/CT with Collagen-I PET-Tracer and MRI for Assessment of Fibrotic and Inflammatory Lesions in a Rat Lung Injury Model
  15. 2855
    “…RATIONALE: The objective of this study was to identify unique chemical tracers of oil sands process‐affected water (OSPW) to enable definitive discrimination of tailings pond seepage from natural bitumen‐influenced waters from the Canadian Alberta McMurray formation. …”
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    Non‐target profiling of bitumen‐influenced waters for the identification of tracers unique to oil sands processed‐affected water (OSPW) in the Athabasca watershed of Alberta, Canada
  16. 2856
    “…With this process, the measured tracer results of the inner points of a HSFCW-C can be fitted more accurately than with the conventionally used distribution functions (Gaussian, Lognormal, Fick (Inverse Gaussian) and Gamma). …”
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    Analysis of conservative tracer measurement results inside a planted horizontal subsurface flow constructed wetland filled with coarse gravel using Frechet distribution
  17. 2857
    “…While for Messastrum gracile, the FAMEs recovered, were 49.9 and 76.3 mg, respectively with OET and DT methods. …”
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    Enhanced fatty acid methyl esters recovery through a simple and rapid direct transesterification of freshly harvested biomass of Chlorella vulgaris and Messastrum gracile
  18. 2858
    por Kalshetty, Ashwini, Basu, Sandip
    Publicado 2020
    “…The association necessitates a careful assessment of the dual-tracer positron emission tomography–computed tomography (PET-CT) imaging findings to identify these malignancies earlier. …”
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    Interpreting discordance on dual-tracer positron emission tomography–computed tomography in the setting of metastatic neuroendocrine tumor: Detection of metachronous triple-negative breast carcinoma
  19. 2859
    “…Surveillance of SARS-CoV-2 and organic tracers (OTs) were conducted in the community wastewater of Chennai city and the suburbs, South India, during partial and post lockdown phases (August–September 2020) as a response to the coronavirus disease 2019 (COVID-19) pandemic. …”
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    First surveillance of SARS-CoV-2 and organic tracers in community wastewater during post lockdown in Chennai, South India: Methods, occurrence and concurrence
  20. 2860
    “…This involved both a decrease in hepatocyte phosphatidylcholine (less prominent) and an increase in phosphatidylethanolamine, with the latter contributing more to the lowered ratio. Stable isotopic tracer phospholipidomic analysis revealed several previously unidentified changes that were triggered by excessive free fatty acid. …”
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    Stable Isotopic Tracer Phospholipidomics Reveals Contributions of Key Phospholipid Biosynthetic Pathways to Low Hepatocyte Phosphatidylcholine to Phosphatidylethanolamine Ratio Induced by Free Fatty Acids
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