A Catalyzing Phantom for Reproducible Dynamic Conversion of Hyperpolarized [1-13C]-Pyruvate
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{"title"=>"A Catalyzing Phantom for Reproducible Dynamic Conversion of Hyperpolarized [1-13C]-Pyruvate", "type"=>"journal", "authors"=>[{"first_name"=>"Christopher M.", "last_name"=>"Walker", "scopus_author_id"=>"48662941200"}, {"first_name"=>"Jaehyuk", "last_name"=>"Lee", "scopus_author_id"=>"56018427000"}, {"first_name"=>"Marc S.", "last_name"=>"Ramirez", "scopus_author_id"=>"22635238400"}, {"first_name"=>"Dawid", "last_name"=>"Schellingerhout", "scopus_author_id"=>"6602591190"}, {"first_name"=>"Steven", "last_name"=>"Millward", "scopus_author_id"=>"7006620728"}, {"first_name"=>"James A.", "last_name"=>"Bankson", "scopus_author_id"=>"56016346400"}], "year"=>2013, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84881573357", "pmid"=>"23977006", "sgr"=>"84881573357", "doi"=>"10.1371/journal.pone.0071274", "isbn"=>"1932-6203 (Electronic) 1932-6203 (Linking)", "issn"=>"19326203", "pui"=>"369579681"}, "id"=>"18a0483e-1b5a-3a0b-a4d9-fb51658b8062", "abstract"=>"In vivo real time spectroscopic imaging of hyperpolarized ¹³C labeled metabolites shows substantial promise for the assessment of physiological processes that were previously inaccessible. However, reliable and reproducible methods of measurement are necessary to maximize the effectiveness of imaging biomarkers that may one day guide personalized care for diseases such as cancer. Animal models of human disease serve as poor reference standards due to the complexity, heterogeneity, and transient nature of advancing disease. In this study, we describe the reproducible conversion of hyperpolarized [1-¹³C]-pyruvate to [1-¹³C]-lactate using a novel synthetic enzyme phantom system. The rate of reaction can be controlled and tuned to mimic normal or pathologic conditions of varying degree. Variations observed in the use of this phantom compare favorably against within-group variations observed in recent animal studies. This novel phantom system provides crucial capabilities as a reference standard for the optimization, comparison, and certification of quantitative imaging strategies for hyperpolarized tracers.", "link"=>"http://www.mendeley.com/research/catalyzing-phantom-reproducible-dynamic-conversion-hyperpolarized-113cpyruvate", "reader_count"=>21, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>1, "Researcher"=>6, "Student > Ph. D. Student"=>10, "Student > Master"=>1, "Other"=>1, "Professor"=>2}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>1, "Researcher"=>6, "Student > Ph. D. Student"=>10, "Student > Master"=>1, "Other"=>1, "Professor"=>2}, "reader_count_by_subject_area"=>{"Engineering"=>4, "Unspecified"=>3, "Agricultural and Biological Sciences"=>2, "Medicine and Dentistry"=>6, "Physics and Astronomy"=>4, "Chemistry"=>2}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>4}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>6}, "Chemistry"=>{"Chemistry"=>2}, "Physics and Astronomy"=>{"Physics and Astronomy"=>4}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Unspecified"=>{"Unspecified"=>3}}, "reader_count_by_country"=>{"Germany"=>1}, "group_count"=>1}

Scopus | Further Information

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/1172076"], "description"=>"<p>Survey of HP parameter variation in recent animal studies.</p>", "links"=>[], "tags"=>["Biochemistry", "enzymes", "Enzyme kinetics", "biotechnology", "Bioengineering", "Biomedical Engineering", "Chemical reactions", "Medical devices", "Drugs and devices", "radiology", "Diagnostic radiology", "Magnetic resonance imaging", "biophysics", "Medical physics", "hp", "parameter"], "article_id"=>774309, "categories"=>["Physics", "Medicine", "Engineering", "Chemistry", "Biological Sciences"], "users"=>["Christopher M. Walker", "Jaehyuk Lee", "Marc S. Ramirez", "Dawid Schellingerhout", "Steven Millward", "James A. Bankson"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0071274.t002", "stats"=>{"downloads"=>1, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Survey_of_HP_parameter_variation_in_recent_animal_studies_/774309", "title"=>"Survey of HP parameter variation in recent animal studies.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-08-15 04:44:54"}
  • {"files"=>["https://ndownloader.figshare.com/files/1172074"], "description"=>"<p>Proton imaging (top left) shows the phantom structure in high resolution. Spectroscopic imaging data acquired using a radial EPSI sequence allows metabolite-specific visualization of tracer distribution (bottom row). Spectroscopic data can be intrinsically registered to high-resolution proton images (top center and right).</p>", "links"=>[], "tags"=>["Biochemistry", "enzymes", "Enzyme kinetics", "biotechnology", "Bioengineering", "Biomedical Engineering", "Chemical reactions", "Medical devices", "Drugs and devices", "radiology", "Diagnostic radiology", "Magnetic resonance imaging", "biophysics", "Medical physics", "images", "carried", "imaging"], "article_id"=>774307, "categories"=>["Physics", "Medicine", "Engineering", "Chemistry", "Biological Sciences"], "users"=>["Christopher M. Walker", "Jaehyuk Lee", "Marc S. Ramirez", "Dawid Schellingerhout", "Steven Millward", "James A. Bankson"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0071274.g003", "stats"=>{"downloads"=>1, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Spectroscopic_images_of_the_reaction_carried_out_in_a_standard_imaging_phantom_/774307", "title"=>"Spectroscopic images of the reaction carried out in a standard imaging phantom.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-08-15 04:44:54"}
  • {"files"=>["https://ndownloader.figshare.com/files/1172075"], "description"=>"<p>Lac and Pyr refer to the total volume under the spectral and temporal curves for each tracer; <i>k<sub>PL</sub></i> is the forward reaction rate (see <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0071274#pone.0071274.e006\" target=\"_blank\">Equations 6</a>–<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0071274#pone.0071274.e010\" target=\"_blank\">8</a>).</p>", "links"=>[], "tags"=>["Biochemistry", "enzymes", "Enzyme kinetics", "biotechnology", "Bioengineering", "Biomedical Engineering", "Chemical reactions", "Medical devices", "Drugs and devices", "radiology", "Diagnostic radiology", "Magnetic resonance imaging", "biophysics", "Medical physics", "deviation", "coefficient", "repetitions"], "article_id"=>774308, "categories"=>["Physics", "Medicine", "Engineering", "Chemistry", "Biological Sciences"], "users"=>["Christopher M. Walker", "Jaehyuk Lee", "Marc S. Ramirez", "Dawid Schellingerhout", "Steven Millward", "James A. Bankson"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0071274.t001", "stats"=>{"downloads"=>2, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_The_mean_standard_deviation_and_coefficient_of_variation_for_all_repetitions_N_8202_8202_7_of_the_dynamic_phantom_/774308", "title"=>"The mean, standard deviation and coefficient of variation for all repetitions (N = 7) of the dynamic phantom.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-08-15 04:44:54"}
  • {"files"=>["https://ndownloader.figshare.com/files/1172073"], "description"=>"<p>The mean signal for lactate and pyruvate, normalized to peak carbon signal for each injection, are displayed with error bars that indicate the minimum and maximum values at each time over all injections. Total HP <sup>13</sup>C was estimated by summing signal from HP <sup>13</sup>C Lactate and HP <sup>13</sup>C Pyruvate. The average linewidth for pyruvate and lactate peaks were 19±5 Hz and 17±5 Hz, respectively.</p>", "links"=>[], "tags"=>["Biochemistry", "enzymes", "Enzyme kinetics", "biotechnology", "Bioengineering", "Biomedical Engineering", "Chemical reactions", "Medical devices", "Drugs and devices", "radiology", "Diagnostic radiology", "Magnetic resonance imaging", "biophysics", "Medical physics"], "article_id"=>774306, "categories"=>["Physics", "Medicine", "Engineering", "Chemistry", "Biological Sciences"], "users"=>["Christopher M. Walker", "Jaehyuk Lee", "Marc S. Ramirez", "Dawid Schellingerhout", "Steven Millward", "James A. Bankson"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0071274.g002", "stats"=>{"downloads"=>0, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Dynamic_signal_evolution_across_N_8202_8202_7_injections_/774306", "title"=>"Dynamic signal evolution across (N = 7) injections.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-08-15 04:44:54"}

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Relative Metric

{"start_date"=>"2013-01-01T00:00:00Z", "end_date"=>"2013-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Biology and life sciences/Biochemistry", "average_usage"=>[266, 468, 593, 703, 804, 903, 993, 1084, 1171, 1256, 1339, 1422, 1492]}, {"subject_area"=>"/Computer and information sciences", "average_usage"=>[297, 488, 616, 724, 828, 939, 1038, 1127, 1223, 1311, 1393, 1479, 1556]}, {"subject_area"=>"/Computer and information sciences/Data acquisition", "average_usage"=>[257, 440, 536, 653, 756, 876, 982, 1064, 1136, 1240, 1311, 1374, 1434, 1487]}, {"subject_area"=>"/Medicine and health sciences", "average_usage"=>[264, 460, 584, 692, 794, 887, 978, 1067, 1154, 1241, 1328, 1408, 1474]}, {"subject_area"=>"/Medicine and health sciences/Diagnostic medicine", "average_usage"=>[244, 425, 535, 636, 728, 814, 900, 982, 1063, 1139, 1221, 1296, 1361]}, {"subject_area"=>"/Medicine and health sciences/Radiology and imaging", "average_usage"=>[230, 403, 513, 618, 711, 806, 896, 985, 1065, 1141, 1225, 1296, 1360]}]}
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Net::HTTPTooManyRequests

Source
Scopus
Time
2019-12-30 12:05:14 UTC
Target URL
https://api.elsevier.com/content/search/index:SCOPUS?query=DOI(10.1371%2Fjournal.pone.0071274)
Trace

/app/models/concerns/networkable.rb:21:in `get_result'
/app/models/source.rb:165:in `get_data'
/app/models/retrieval_status.rb:47:in `perform_get_data'
/app/jobs/source_job.rb:52:in `block (2 levels) in perform'
/app/jobs/source_job.rb:51:in `block in perform'
/app/jobs/source_job.rb:35:in `each'
/app/jobs/source_job.rb:35:in `perform'