{"id":39314,"date":"2021-06-11T11:42:51","date_gmt":"2021-06-11T11:42:51","guid":{"rendered":"https:\/\/matis.is\/?post_type=matis_projects&p=39314"},"modified":"2024-03-26T14:35:12","modified_gmt":"2024-03-26T14:35:12","slug":"dreifing-arsentegunda-eftir-thanghlutum-ser-i-lagi-arsenlipida","status":"publish","type":"matis_projects","link":"https:\/\/matis.is\/en\/matis_projects\/dreifing-arsentegunda-eftir-thanghlutum-ser-i-lagi-arsenlipida\/","title":{"rendered":"Distribution of arsenic species by seaweed components, in particular arsenic lipids"},"content":{"rendered":"

Much is still hidden about arsenic lipids. Why do they form in seaweed? How? Where? Do they serve a purpose? Although seaweed is considered to be the starting point for the formation of arsenic lipids, very few studies have been performed on arsenic lipids in seaweed. This is partly explained by the fact that this is a specialized field of research that very few research groups in the world work on, among other things, as measurements of arsenic lipids require expertise and specialized chemical analysis equipment.<\/h4>\n\n\n\n

Contrary to popular belief, arsenic lipids have recently been shown to be highly toxic. They can be found in seaweed, among other places. It is important to take a closer look at these lipids and gain a better understanding of them. An extensive collection of seaweed samples will be studied to collect data on arsenic lipids, other types of arsenic and their distribution in the seaweed. Preliminary studies indicate that the distribution varies according to the activity of the seaweed, which could give an indication of where the arsenic lipids are formed in the seaweed. The main results of the project can be divided into two parts. First, to give extensive results on the status of arsenic and arsenic lipids in green, red, and brown algae. Second, look at their distribution in the seaweed.<\/p>\n\n\n\n

Related Articles<\/strong><\/p>\n\n\n\n

Determination of inorganic As, DMA and MMA in marine and terrestrial tissue samples: a consensus extraction approach<\/a><\/p>\n\n\n\n

Temporal and intra-thallus variation in arsenic species in the brown macroalga Laminaria digitata<\/a>
Currently available in Open Science repository: https:\/\/hdl.handle.net\/20.500.11815\/4769<\/a><\/p>\n\n\n\n

Sim, R., Weyer, M. & P\u00e9tursd\u00f3ttir, \u00c1. H., Inorganic arsenic in seaweed: a fast HPLC-ICPMS method without co-elution of arsenosugars. Accepted by\u00a0Analytical and Bioanalytical Chemistry<\/em>\u00a0(2024). https:\/\/link.springer.com\/article\/10.1007\/s00216-024-05250-8<\/a><\/p>\n\n\n\n

Sim, R., O'Brien, L., Weyer, M., Gunnarsson K., Sveinsd\u00f3ttir HI & P\u00e9tursd\u00f3ttir, \u00c1. H., Potentially toxic elements in Icelandic seaweeds iAs.\u00a0Submitted to Marine Pollution Bulletin <\/em>(2024). http:\/\/dx.doi.org\/10.2139\/ssrn.4743806<\/a><\/p>\n\n\n\n

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