期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 4, 期 16, 页码 2637-2642出版社
AMER CHEMICAL SOC
DOI: 10.1021/jz401276r
关键词
-
类别
资金
- Swedish National Infrastructure for Computing (SNIC) [SNIC 025/12-38]
- Carl Tryggers Foundation
- Swedish Research Council
Marine polymeric gels or colloidal nano- and microgels have been shown to contribute significantly to the primary marine aerosol and cloud condensation nuclei over remote marine areas. A microscopic understanding of such biologically derived matter at the sea air interface is important for future development of global climate models, but unfortunately cannot be obtained from modern characterization techniques. In this contribution, we employ molecular dynamics simulations to reveal the atomistic details of marine polymeric gels represented by anionic polysaccharide assemblies. The ionic bonds formed between polysaccharides and metal ions in seawater as well as the hydrophobic contribution to surface area are investigated in detail, and destabilization of the assemblies upon removal of Ca2+ or acidification is explained. These results provide insight into physicochemical properties of polysaccharide-Ca2+ structures and enable future studies of their roles of in the wetting process of cloud droplet activation.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据