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When AuNPs were prepared by the sodium citrate reduction method, citrate anions self\u2010assembled on the surface of AuNPs to form supramolecular complex anions. In BR 4.6 buffer solution, propranolol was positively charged and could bind with AuNPs to form larger aggregates through electrostatic force and hydrophobic effects. This results in remarkable enhancement of the RRS intensity and a color change in the AuNPs solution from red to blue via purple. Thus, a highly sensitive RRS and colorimetric assay the for detection of propranolol was developed with a linear range of 0.2\u20135.2 and 8\u2013112\u00a0ng\/ml, respectively. In addition, no difference was seen when comparing <jats:italic>R<\/jats:italic>\u2010propranolol with <jats:italic>S<\/jats:italic>\u2010propranolol, therefore, this method could not be used in the recognition of chiral propranolol. However, upon addition of other \u03b2\u2010adrenergic blockers, no phenomenon like that seen with propranolol was observed, meaning that this method can be used for determining the presence of propranolol in a mixture \u03b2\u2010adrenergic blockers. Finally, the optimum conditions, factors influencing the reaction, its mechanism and the reasons for enhancement of the RRS were discussed.<\/jats:p>","DOI":"10.1002\/bio.3314","type":"journal-article","created":{"date-parts":[[2017,5,19]],"date-time":"2017-05-19T06:42:03Z","timestamp":1495176123000},"page":"1221-1226","source":"Crossref","is-referenced-by-count":7,"title":["A highly sensitive resonance Rayleigh scattering and colorimetric assay for the recognition of propranolol in \u03b2\u2010adrenergic blocker"],"prefix":"10.1002","volume":"32","author":[{"given":"Xuanping","family":"Tan","sequence":"first","affiliation":[{"name":"Chongqing Three Gorges University  Wanzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8796-8596","authenticated-orcid":false,"given":"Jidong","family":"Yang","sequence":"additional","affiliation":[{"name":"Chongqing Three Gorges University  Wanzhou China"},{"name":"School of Chemistry and Chemical Engineering Yangtze Normal University  Chongqing China"},{"name":"School of Chemistry and Chemical Engineering Southwest University  Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiong","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering Yangtze Normal University  Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qin","family":"Li","sequence":"additional","affiliation":[{"name":"Chongqing Medical and Health school  Fuling China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,5,19]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chroma.2005.11.126"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelechem.2013.09.016"},{"key":"e_1_2_8_4_1","first-page":"169","volume":"4","author":"Zhang J.","year":"2009","journal-title":"Asian J. 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