Helical Nanofibers of Self-Assembled Bipolar Phospholipids as Template for Gold Nanoparticles
详细信息 查看全文
- 作者：Annette Meister ; Simon Drescher ; Ingo Mey ; Mirco Wahab ; Gesche Graf ; Vasil M. Garamus ; Gerd Hause ; Hans-Jö ; rg Mö ; gel ; Andreas Janshoff ; Bodo Dobner ; Alfred Blume
- 刊名：Journal of Physical Chemistry B
- 出版年：2008
- 出版时间：April 17, 2008
- 年：2008
- 卷：112
- 期：15
- 页码：4506 - 4511
- 全文大小：567K
- 年卷期：v.112,no.15(April 17, 2008)
- ISSN：1520-5207
文摘
Bipolar phospholipids (bolalipids) represent an exciting class of amphiphilic molecules as they self-assemblein water to distinct structures of nanoscopic dimensions. Reported here are structural details of helical nanofibers,composed of achiral, symmetrical single-chain bolalipids with phosphocholine headgroups. These nanofibersare used as template for the fixation of gold nanoparticles (AuNPs) without prior functionalization. Thisrealization of a metal array on bolalipid nanofibers is one of the rare examples of one-dimensional AuNParrangements in solution. The loading and the heat of binding of AuNPs are determined applying transmissionelectron microscopy and isothermal titration calorimetry.