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Confirmatory non-invasive and non-destructive identification of poison ivy using a hand-held Raman spectrometer

机译：使用手持式拉曼光谱仪验证的非侵入性和无侵害和非破坏性鉴定毒性常春藤

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摘要

Poison ivy (Toxicodendron radicans) is a forest understory plant that grows throughout the United States, Canada and Mexico. The plant contains urushiol oils, a mixture of pentadecylcatechols, that cause severe allergic reactions on skin including reddish inflammation, uncoloured bumps and blistering. Such allergic reactions develop within hours or days, which facilitates unknowing spread of the urushiol inside the house. This enables continuous contact with urushiol extending the length of time of the rash. It should be noted that apart from extensive washing with soap and cold water, there is no direct way to treat urushiol-induced allergic reactions. In these circumstances, the best practice is to avoid contact with the plant. However, differentiating poison ivy from other plants requires sophisticated botanical experience that is not possessed by a vast majority of people. To overcome this limitation, we developed a confirmatory, label-free, non-invasive and non-destructive approach for detection and identification of poison ivy. We show that using a hand-held Raman spectrometer, 100% accurate identification of this species can be performed in only one second. We also demonstrate that in combination with partial least square discriminant analysis (PLS-DA), Raman spectroscopy is capable of distinguishing poison ivy from more than fifteen different plant species, including weeds, grasses and trees. The use of a hand-held spectrometer on a motorized robotic platform or an unmanned aerial vehicle (UAV) can be used for automated surveillance of household and agricultural spaces enabling confirmatory detection and identification of this dangerous plant species.
机译：毒藤（毒漆藤）是林下植物，生长在美国，加拿大和墨西哥。该植物含有漆酚油，pentadecylcatechols的混合物，这导致皮肤严重过敏性反应，包括炎症微红，无色颠簸和起泡。这种过敏反应发展几小时或几天内，这有利于屋内的漆酚的无知蔓延。这使得能够用漆酚延伸的皮疹的时间长度连续接触。应当指出的是，除了用肥皂和冷水充分洗涤，没有直接的方法来治疗漆酚引起的过敏反应。在这种情况下，最好的做法是避免与植物接触。然而，从其他植物鉴别毒常春藤要求不被绝大多数人所拥有成熟的植物的经验。为了克服这种限制，我们开发了验证，无标签，无创，无损检测和毒藤的识别方法。我们发现，使用手持式拉曼光谱仪，这一物种的100％的识别准确，可在1秒钟完成。我们还表明，在用偏最小二乘判别分析（PLS-DA）组合，拉曼光谱能够从多于十五个不同的植物物种，包括杂草，草和树区分毒葛的。使用在电动机器人平台或无人驾驶飞行器（UAV）手持式光谱仪，可用于家庭和农业空间启用确证检测和这种危险的植物物种识别的自动监控。

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  • 来源
    《RSC Advances》 |2020年第36期|共5页
  • 作者

    Farber Charles; Sanchez Lee; Kurouski Dmitry;

  • 作者单位

    Texas A&

    M Univ Dept Biochem &

    Biophys College Stn TX 77843 USA;

    Texas A&

    M Univ Dept Biochem &

    Biophys College Stn TX 77843 USA;

    Texas A&

    M Univ Dept Biochem &

    Biophys College Stn TX 77843 USA;

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  • 正文语种 eng
  • 中图分类 化学;
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