A “drop‐wipe‐test” <fc xmlns='http://www.wiley.com/namespaces/wiley'>SERS</fc>SERS method for rapid detection of pesticide residues in fruits

Wang Kehui; Huang Meizhen; Chen Jie; Lin Lulu; Kong Lili; Liu Xi; Wang Hui; Lin Mengshi

摘要

Abstract > A simple “drop‐wipe‐test” approach for rapid detection of pesticide residues in fruits was developed based on surface‐enhanced Raman spectroscopy (SERS) coupled with wiper‐type filter paper substrate. The filter paper was coated with silver nanoparticles (Ag NPs) and used as a flexible and absorbent wiper‐type SERS substrate. The first two steps “drop” and “wipe” were combined to simplify the procedures of extraction and sampling of the analyte molecules. “Test” was the last step to obtain the spectral data using a portable Raman spectrometer (Hx‐Spec) developed by our laboratory. The entire detection process was completed just in a few minutes. The optimal wipe time of ~15?s was confirmed used to ensure a thorough extraction of analyte molecules. The as‐prepared SERS substrate was used for rapid detection of pesticide residue (i.e., thiram) in apple, pear, and grape by “drop‐wipe‐test” method. Results demonstrate that the concentrations of thiram spiked on the three fruits skin show a linearly relationship with the average intensity ( <fi>n</fi> ?=?7) of SERS spectra with <fi>R</fi> ‐square values of 0.9991, 0.9872, and 0.9841, respectively. The limit of detection of thiram in apple, pear, and grape peel was 4.6261, 5.1799, and 5.7061?ng/cm 2 , respectively. The detection limits are all below the maximum residue limits for pesticide in food that were set by the National Food Safety Standard of China (GB). The results demonstrate that SERS method coupled with a flexible and absorbent SERS substrate can be used as a practical application for a reliable, rapid, and sensitive detection of pesticide residues. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract xmlns =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> >一个简单基于与刮水器型滤纸纸基板结合的表面增强拉曼光谱（SERS）开发了用于快速检测水果农药残留物的“掉落擦拭试验”方法。滤纸用银纳米颗粒（Ag NPS）涂覆并用作柔性吸收性的刮水器型Sers基板。结合了前两个步骤“掉落”和“擦拭物”以简化分析物分子的提取和取样的程序。 “测试”是使用我们实验室开发的便携式拉曼光谱仪（HX-SPEC）获得光谱数据的最后一步。整个检测过程在几分钟内完成。确认使用〜15？s的最佳擦拭时间用于确保彻底提取分析物分子。用“滴擦拭试验”方法用于快速检测苹果，梨和葡萄中的农药残留物（即，王国）的优化。结果表明，在三个水果皮上尖刺的浓度显示出与SERS光谱的平均强度（<fi> n </ fi> =Δ7）的线性关系，其中SERS光谱与<fi> R </ fi> -quare值0.9991,0.9872和0.9841分别。苹果，梨和葡萄皮中瑟姆的检测极限为4.6261,5.1799和5.7061Ω·ng / cm 2 </ sup>。检测限均低于中国食品安全标准（GB）所设定的食品中农药的最大残留限制。结果表明，与柔性和吸收性的SERS基板联接的SERS方法可以用作可靠，快速，敏感的农药残留的实际应用。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-35645/'>《Journal of Raman Spectroscopy: An International Journal for Original Work in All Aspects of Raman Spectroscopy, Including Higher Order Processes, and Also Brillouin- and Rayleigh Scattering》</a> <b style="margin: 0 2px;">|</b><span>2018年第3期</span><b style="margin: 0 2px;">|</b><span>共6页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Kehui&option=202" target="_blank" rel="nofollow">Wang Kehui;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Huang Meizhen&option=202" target="_blank" rel="nofollow">Huang Meizhen;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Jie&option=202" target="_blank" rel="nofollow">Chen Jie;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lin Lulu&option=202" target="_blank" rel="nofollow">Lin Lulu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kong Lili&option=202" target="_blank" rel="nofollow">Kong Lili;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Liu Xi&option=202" target="_blank" rel="nofollow">Liu Xi;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Hui&option=202" target="_blank" rel="nofollow">Wang Hui;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lin Mengshi&option=202" target="_blank" rel="nofollow">Lin Mengshi;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>Department of Instrument Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>Department of Instrument Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>Department of Instrument Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>Department of Instrument Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>Department of Instrument Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240 China;</p> <p>Food Science ProgramUniversity of MissouriColumbia MO 65211 USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/4724.html" title="光谱学">光谱学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=drop‐wipe‐test&option=203" rel="nofollow">drop‐wipe‐test;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=filter paper&option=203" rel="nofollow">filter paper;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=pesticide&option=203" rel="nofollow">pesticide;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=SERS&option=203" rel="nofollow">SERS;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wiper&option=203" rel="nofollow">wiper;</a> </p> <div class="translation"> 机译：掉落擦拭试验;滤纸;农药;SERS;刮水器; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025815081.html">A “drop‐wipe‐test” <fc xmlns="http://www.wiley.com/namespaces/wiley">SERS</fc>SERS method for rapid detection of pesticide residues in fruits</a> <b>[J]</b> . <span> <a 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A “drop‐wipe‐test” SERSSERS method for rapid detection of pesticide residues in fruits

摘要