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The Application of Mass Spectrometry...

Alowaifeer, Abdullah Mohammed.

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The Application of Mass Spectrometry in Environmental Chemistry: Investigating Biological Cycling of Arsenic, Mercury and Glycine Betaine in Aquatic Ecosystems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Application of Mass Spectrometry in Environmental Chemistry: Investigating Biological Cycling of Arsenic, Mercury and Glycine Betaine in Aquatic Ecosystems./
作者:	Alowaifeer, Abdullah Mohammed.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	180 p.
附註:	Source: Dissertations Abstracts International, Volume: 81-04, Section: B.
Contained By:	Dissertations Abstracts International81-04B.
標題:	Environmental science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13886666
ISBN:	9781085793124

The Application of Mass Spectrometry in Environmental Chemistry: Investigating Biological Cycling of Arsenic, Mercury and Glycine Betaine in Aquatic Ecosystems.
Alowaifeer, Abdullah Mohammed.

The Application of Mass Spectrometry in Environmental Chemistry: Investigating Biological Cycling of Arsenic, Mercury and Glycine Betaine in Aquatic Ecosystems. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 180 p.

Source: Dissertations Abstracts International, Volume: 81-04, Section: B.

Thesis (Ph.D.)--Montana State University, 2019.

This item must not be sold to any third party vendors.

Elemental cycling is a complex process that occurs abiotically and biotically. While abiotic cycling is well defined, biological cycling is more complex as it involves different microbes, animals and enzymes that govern its form and fate. In my project, I investigated the biological cycling of two of the most toxic elements known, arsenic and mercury. I examine their bioavailability, bioaccumulation and biomagnification in freshwater aquatic systems using Yellowstone lake as a study model. In addition, the sources and sinks of glycine betaine, an important aquatic metabolite that contributes to the carbon and nitrogen cycle, is investigated in Yellowstone lake and three rivers located around the state of Montana. This research presented in this dissertation offers new insight on how arsenic and mercury cycle in aquatic systems and introduces a new hypothesis of the possible source of glycine betaine in freshwater ecosystem. Additionally, this project highlights a new and promising methodology to detect and quantify methylated amines in water samples.

ISBN: 9781085793124Subjects--Topical Terms:

677245
Environmental science.
Subjects--Index Terms:

Abiotic cycling

The Application of Mass Spectrometry in Environmental Chemistry: Investigating Biological Cycling of Arsenic, Mercury and Glycine Betaine in Aquatic Ecosystems.
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