<?xml version="1.0" encoding="utf-8" standalone="no"?>
<?xml-stylesheet type='text/xsl' href='/oai-pmh/oai2.xsl'?>
<OAI-PMH xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd" xmlns="http://www.openarchives.org/OAI/2.0/">
  <responseDate>2026-10-14</responseDate>
  <request verb="GetRecord" identifier="oai:researchdata.se:2023-258/1" metadataPrefix="oai_dc">https://api.researchdata.se/oai-pmh</request>
  <GetRecord>
    <record>
      <header>
        <identifier>oai:researchdata.se:2023-258/1</identifier>
        <datestamp>2024-02-09</datestamp>
        <setSpec>subject:ssif:10401</setSpec>
        <setSpec>subject:ssif:10405</setSpec>
        <setSpec>subject:ssif:104</setSpec>
        <setSpec>subject:ssif:1</setSpec>
        <setSpec>principal:slug:swedish-university-of-agricultural-sciences</setSpec>
      </header>
      <metadata>
        <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
          <dc:type>info:eu-repo/semantics/other</dc:type>
          <dc:type>http://purl.org/dc/dcmitype/Dataset</dc:type>
          <dc:identifier>https://doi.org/10.5878/8t82-d090</dc:identifier>
          <dc:title xml:lang="en">NMR spectra of oilseed rape (Brassica napus) root exudates</dc:title>
          <dc:title xml:lang="sv">NMR-spektra av rotexudat från raps (Brassica napus)</dc:title>
          <dc:creator>https://orcid.org/0000-0002-9375-8894</dc:creator>
          <dc:creator>https://orcid.org/0000-0003-0342-9702</dc:creator>
          <dc:contributor>Anders Broberg</dc:contributor>
          <dc:contributor>Gustav Nestor</dc:contributor>
          <dc:contributor>Johan Meijer</dc:contributor>
          <dc:contributor>Corine Sandström</dc:contributor>
          <dc:subject xml:lang="en">Analytical Chemistry</dc:subject>
          <dc:subject xml:lang="sv">Analytisk kemi</dc:subject>
          <dc:subject xml:lang="en">Organic Chemistry</dc:subject>
          <dc:subject xml:lang="sv">Organisk kemi</dc:subject>
          <dc:description xml:lang="en">The dataset contains 1D and 2D NMR spectra of root exudates from various varieties of oilseed rape (Brassica napus). A Bruker Avance III 600 MHz spectrometer connected to Topspin version 3.5 was used to record the spectra.

Included are 1D-1H-NOESY, (1H,1H)-TOCSY, (1H,13C)-HSQC, CPMG, and 1D-diffusion spectra of intact root exudates as well as 1D-1H spectra of a sample treated with ultrafiltration and solid phase extraction (SPE), respectively. The dataset further includes spectra from a spike-in experiment where different concentrations of five metabolites were added to a pooled root exudate sample as well as a blank sample. All samples have been freeze-dried and dissolved in D2O.

The data was used to develop an automated targeted metabolomics workflow called extended AQuA.</dc:description>
          <dc:description xml:lang="sv">Datasetet innehåller 1D- och 2D-NMR-spektra av rotexudat från olika sorters raps (Brassica napus). Spektrumen erhölls med en Bruker Avance III 600 MHz NMR-spektrometer via Topspin version 3.5.

För intakta rotexudat finns 1D-1H-NOESY, (1H,1H)-TOCSY, (1H,13C)-HSQC, CPMG- och 1D-diffusionsspektra.  I datasetet ingår även 1D-1H-spektra av ett prov som har ultrafiltrerats respektive passerat en SPE-kolonn (fastfasextraktion), samt spektra från ett spikningsexperiment där olika koncentrationer av fem metaboliter satts till både ett poolat rotexudatprov och ett blankprov. Alla prover har frystorkats och sedan lösts upp i D2O.

Datan användes för att utveckla "extended AQuA", ett automatiserat arbetsflöde för kvantitativ metabolomik.</dc:description>
          <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
          <dc:rights>https://creativecommons.org/licenses/by/4.0/</dc:rights>
          <dc:publisher xml:lang="en">Swedish University of Agricultural Sciences</dc:publisher>
          <dc:publisher xml:lang="sv">Sveriges lantbruksuniversitet</dc:publisher>
          <dc:date>2024-02-09T15:35:08.33795Z</dc:date>
          <dc:language>eng</dc:language>
        </oai_dc:dc>
      </metadata>
    </record>
  </GetRecord>
</OAI-PMH>