5 years ago

Irreversible Adsorption of Wormlike Chains: Alignment Effects

Irreversible Adsorption of Wormlike Chains: Alignment Effects
Yunha Kim, Nam-Kyung Lee, Albert Johner, Min-Kyung Chae, Youngkyun Jung
Following the recent scaling theory developed for irreversible adsorption of wormlike chains (WLCs) from a dilute solution, we address several subtle issues regarding the buildup of irreversible adsorption layers. By performing Brownian dynamics simulations for WLCs, we study zipping dynamics of an adsorbing chain and alignment effects due to the interaction with preadsorbed WLCs. The irreversible chemisorption proceeds by zipping on the surface with a typical loop size s0. The measured loop-size distribution comprises a slowly decreasing small loop regime and a large loop regime decreasing ∝ s–5/2, separated by the typical size s0. From the computational study of an incoming chain interacting with a preadsorbed one lying flat on the surface, we provide the crossing probability. A strong bias toward crossing (vs alignment and reflection) is observed, and no strong cooperativity of chain alignment is found.

Publisher URL: http://dx.doi.org/10.1021/acs.macromol.7b00748

DOI: 10.1021/acs.macromol.7b00748

You might also like
Discover & Discuss Important Research

Keeping up-to-date with research can feel impossible, with papers being published faster than you'll ever be able to read them. That's where Researcher comes in: we're simplifying discovery and making important discussions happen. With over 19,000 sources, including peer-reviewed journals, preprints, blogs, universities, podcasts and Live events across 10 research areas, you'll never miss what's important to you. It's like social media, but better. Oh, and we should mention - it's free.

  • Download from Google Play
  • Download from App Store
  • Download from AppInChina

Researcher displays publicly available abstracts and doesn’t host any full article content. If the content is open access, we will direct clicks from the abstracts to the publisher website and display the PDF copy on our platform. Clicks to view the full text will be directed to the publisher website, where only users with subscriptions or access through their institution are able to view the full article.