用近红外光谱法鉴别Gonipterini象甲属

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-08-03 DOI:10.1177/09670335221117300

Joel B. Johnson

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引用次数: 0

摘要

这项概念验证研究旨在研究使用近红外（NIR）光谱来区分Gonipterini象甲属的潜力。近红外光谱（10000–4000 cm−1）是从15个Gonipterini标本中收集的，包括3属5种。主成分分析（PCA）强调了近红外光谱的特异性变化，在前两个主成分中观察到大多数物种之间的分离。偏最小二乘判别分析（PLS-DA）可用于区分属（78%的准确率），尽管支持向量机（SVM）建模的准确率提高了（91%）。这些结果支持了近红外光谱技术在Gonipterini属之间快速鉴别的前景。

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Discrimination of Gonipterini weevil genera using near infrared spectroscopy

This proof-of-concept study aimed to investigate the potential of using near infrared (NIR) spectroscopy to discriminate between genera of Gonipterini weevil. NIR spectra (10,000–4,000 cm−1) were collected from 15 Gonipterini specimens, comprising three genera and five species. Principal component analysis (PCA) highlighted the inter-specific variation in NIR spectra, with separation observed between most species across the first two principal components. Partial least squares discriminant analysis (PLS-DA) could be used to differentiate between the genera (78% accuracy), although support vector machine (SVM) modelling gave improved accuracy (91%). The results support the prospect of NIR spectroscopy for the rapid discrimination between Gonipterini genera.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.