Synthesis of nitric oxide-releasing gold nanoparticles

被引:110
作者
Rothrock, AR [1 ]
Donkers, RL [1 ]
Schoenfisch, MH [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
关键词
D O I
10.1021/ja052027u
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report the synthesis of nitric oxide-releasing gold nanoparticles formed by place-exchange reaction of hexanethiol monolayer-protected clusters with diamine nitric oxide donor precursor molecules, which are subsequently converted to N-diazeniumdiolate NO donors. The nitric oxide release from the N-diazeniumdiolate-modified gold nanoparticles is tunable by varying the number and/or the chemical structure of the exchanged amine ligands. The size and stability of NO-releasing nanoparticles may prove useful for a range of biomedical and pharmaceutical applications. Copyright © 2005 American Chemical Society.
引用
收藏
页码:9362 / 9363
页数:2
相关论文
共 14 条
[1]   SYNTHESIS OF THIOL-DERIVATIZED GOLD NANOPARTICLES IN A 2-PHASE LIQUID-LIQUID SYSTEM [J].
BRUST, M ;
WALKER, M ;
BETHELL, D ;
SCHIFFRIN, DJ ;
WHYMAN, R .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1994, (07) :801-802
[2]   Chemistry of the diazeniumdiolates. 2. Kinetics and mechanism of dissociation to nitric oxide in aqueous solution [J].
Davies, KM ;
Wink, DA ;
Saavedra, JE ;
Keefer, LK .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (23) :5473-5481
[3]  
DIODATI JG, 1993, THROMB HAEMOSTASIS, V70, P654
[4]  
FELDHEIM DL, 2000, METAL NANOPARTICLES, P360
[5]   Polymers incorporating nitric oxide releasing/generating substances for improved biocompatibility of blood-contactincy medical devices [J].
Frost, MC ;
Reynolds, MM ;
Meyerhoff, ME .
BIOMATERIALS, 2005, 26 (14) :1685-1693
[6]   Alkanethiolate gold cluster molecules with core diameters from 1.5 to 5.2 nm: Core and monolayer properties as a function of core size [J].
Hostetler, MJ ;
Wingate, JE ;
Zhong, CJ ;
Harris, JE ;
Vachet, RW ;
Clark, MR ;
Londono, JD ;
Green, SJ ;
Stokes, JJ ;
Wignall, GD ;
Glish, GL ;
Porter, MD ;
Evans, ND ;
Murray, RW .
LANGMUIR, 1998, 14 (01) :17-30
[7]   Dynamics of place-exchange reactions on monolayer-protected gold cluster molecules [J].
Hostetler, MJ ;
Templeton, AC ;
Murray, RW .
LANGMUIR, 1999, 15 (11) :3782-3789
[8]   Chemistry of the nitric oxide-releasing diazeniumdiolate ("nitrosohydroxylamine") functional group and its oxygen-substituted derivatives [J].
Hrabie, JA ;
Keefer, LK .
CHEMICAL REVIEWS, 2002, 102 (04) :1135-1154
[9]   NEW NITRIC OXIDE-RELEASING ZWITTERIONS DERIVED FROM POLYAMINES [J].
HRABIE, JA ;
KLOSE, JR ;
WINK, DA ;
KEEFER, LK .
JOURNAL OF ORGANIC CHEMISTRY, 1993, 58 (06) :1472-1476
[10]  
Keefer LK, 1998, CHEMTECH, V28, P30