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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02930naa a2200361 4500 | |
| 001 | oai:DiVA.org:uu-384038 | |
| 003 | SwePub | |
| 008 | 190604s2019 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3840382 URI |
| 024 | 7 | a https://doi.org/10.1039/c8fd00222c2 DOI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Hawkes, Jeffrey A.u Uppsala universitet,Analytisk kemi4 aut0 (Swepub:uu)jefha907 |
| 245 | 1 0 | a Complexity of dissolved organic matter in the molecular size dimension :b insights from coupled size exclusion chromatography electrospray ionisation mass spectrometry |
| 264 | c 2019 | |
| 264 | 1 | b Royal Society of Chemistry (RSC),c 2019 |
| 338 | a electronic2 rdacarrier | |
| 520 | a This paper investigates the relationship between apparent size distribution and molecular complexity of dissolved organic matter from the natural environment. We used a high pressure size exclusion chromatography (HPSEC) method coupled to UV-Vis diode array detection (UV-DAD) and electrospray ionisation mass spectrometry (ESI-MS) in order to compare the apparent size of natural organic matter, determined by HPSEC-UV and the molecular mass determined online by ESI-MS. We found that there was a clear discrepancy between the two methods, and found evidence for an important pool of organic matter that has a strong UV absorbance and no ESI-MS signal. Contrary to some previous research, we found no evidence that apparently high molecular weight organic matter is constituted by aggregates of low molecular weight (<1000 Da) material. Furthermore, our results suggest that the majority of apparent size variability within the ESI ionisable pool of organic matter is due to secondary interaction and exclusion effects on the HPSEC column, and not true differences in hydrodynamic size or intermolecular aggregation. | |
| 650 | 7 | a NATURVETENSKAPx Kemi0 (SwePub)1042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciences0 (SwePub)1042 hsv//eng |
| 700 | 1 | a Sjöberg, Per J. R.u Uppsala universitet,Analytisk kemi4 aut0 (Swepub:uu)psj18455 |
| 700 | 1 | a Bergquist, Jonasu Uppsala universitet,Analytisk kemi4 aut0 (Swepub:uu)jbe25356 |
| 700 | 1 | a Tranvik, Larsu Uppsala universitet,Limnologi4 aut0 (Swepub:uu)larstran |
| 710 | 2 | a Uppsala universitetb Analytisk kemi4 org |
| 773 | 0 | t Faraday discussionsd : Royal Society of Chemistry (RSC)g 218, s. 52-71q 218<52-71x 1359-6640x 1364-5498 |
| 856 | 4 | u https://doi.org/10.1039/c8fd00222cy Fulltext |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:1320236/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
| 856 | 4 | u https://pubs.rsc.org/en/content/articlepdf/2019/fd/c8fd00222c |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-384038 |
| 856 | 4 8 | u https://doi.org/10.1039/c8fd00222c |
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