Analysis of volatile substances in different freshness rice by HS-SPME-GC-MS and Heracles NEO ultra-fast gas-phase electronic nose by ZHOU Xiaolong, YU Zhimin, BAI Yanlong, QIU Ran

“…The results of PCA and OPLS-DA showed that different samples were relatively independent. …”
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The use of multispectral imaging for the discrimination of Arabica and Robusta coffee beans by Alina Mihailova, Beatrix Liebisch, Marivil D. Islam, Jens M. Carstensen, Andrew Cannavan, Simon D. Kelly

“…The OPLS regression model was able to successfully predict the level of adulteration of Arabica with Robusta. …”
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Screening of key volatile compounds characterizing the deterioration of maize silage during aerobic exposure by Kai Zhao, Haiqing Tian, Xianguo Ren, Yang Yu, Li'na Guo, Ying Li, Yan Tao, Fei Liu

“…Next, the key compounds were identified by combining the conditions of average ROAV (aROAV) ≥ 1 and VIP > 1. Finally, the OPLS algorithm was used to analyze the intrinsic link of key compounds with the silage odor. …”
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Thai Native Chicken as a Potential Functional Meat Source Rich in Anserine, Anserine/Carnosine, and Antioxidant Substances by Sukanya Charoensin, Banyat Laopaiboon, Wuttigrai Boonkum, Jutarop Phetcharaburanin, Myra O. Villareal, Hiroko Isoda, Monchai Duangjinda

“…We conducted experiments with a completely randomized design and explored principal components analysis (PCA) and orthogonal projection to latent structure-discriminant analysis (OPLS-DA) to identify the distinguishing metabolites and relative concentrations from ¹H NMR spectra among the groups. …”
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Investigation of α-Glucosidase Inhibitory Metabolites from <i>Tetracera scandens</i> Leaves by GC–MS Metabolite Profiling and Docking Studies by Ahmed Nokhala, Mohammad Jamshed Siddiqui, Qamar Uddin Ahmed, Muhammad Safwan Ahamad Bustamam, Zainul Amiruddin Zakaria

“…GC&#8722;MS analysis was further carried out and the mass spectral data were correlated to the corresponding &#945;-glucosidase inhibitory IC₅₀ values via an orthogonal partial least squares (OPLS) model. The 100%, 80%, 60% and 40% methanol extracts displayed potent &#945;-glucosidase inhibitory potentials. …”
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Metabolomics profiling in acute liver transplant rejection in a pediatric population by Jennifer K. Frediani, Yara S. Beyh, Nitika Gupta, Adrianna L. Westbrook, Rebecca Cleeton, Maria Cordero, Albert Hernandez, ViLinh Tran, Dean P. Jones, Miriam B. Vos

“…Linear regression provided 510 significantly differentiating metabolites between groups, and OPLS-DA showed 145 metabolites with VIP > 2. A total of 95 overlapping significant metabolites between OPLS-DA and linear regression analyses were detected. …”
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Correlation of FT-IR Fingerprint and α-Glucosidase Inhibitory Activity of Salak (Salacca zalacca) Fruit Extracts Utilizing Orthogonal Partial Least Square by Mohammed S. M. Saleh, Mohammad Jamshed Siddiqui, Siti Zaiton Mat So’ad, Fatimah Opeyemi Roheem, Salima Saidi-Besbes, Alfi Khatib

“…Multivariate analysis with a combination of orthogonal partial least-squares (OPLS) algorithm was used to correlate the bioactivity of the samples with the FT-IR spectral data. …”
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Rapid identification of early renal damage in asymptomatic hyperuricemia patients based on urine Raman spectroscopy and bioinformatics analysis by Xiaodong Kong, Haoyue Liang, Wei An, Sheng Bai, Yuyang Miao, Junlian Qiang, Haoyu Wang, Yuan Zhou, Qiang Zhang

“…The application of Raman spectroscopy to analyze urine samples and interpret the heterogeneity of the internal environment of asymptomatic HUA patients can be combined with the OPLS-DA model to mine the massive clinical and biochemical examination information on HUA patients. …”
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Lipid Alterations in Early-Stage High-Grade Serous Ovarian Cancer by M. V. Iurova, M. V. Iurova, V. V. Chagovets, S. V. Pavlovich, S. V. Pavlovich, N. L. Starodubtseva, N. L. Starodubtseva, G. N. Khabas, K. S. Chingin, A. O. Tokareva, G. T. Sukhikh, G. T. Sukhikh, V. E. Frankevich

“…The third OPLS-DA model was developed for the differentiation between I-II OC stages and III-IV stages based on the signal levels of 99 differential lipid species. …”
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Distinct plasma metabolomic signatures differentiate autoimmune encephalitis from drug-resistant epilepsy by Xiong, Wenzheng, Yeo, Tianrong, May, Jeanne Tan May, Demmers, Tor, Ceronie, Bryan, Ramesh, Archana, McGinty, Ronan N., Michael, Sophia, Torzillo, Emma, Sen, Arjune, Anthony, Daniel C., Irani, Sarosh R., Probert, Fay

“…Further, pairwise OPLS-DA models were able to stratify the three AE subtypes. …”
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Low efficiency of "blank" insulators used to protect birds on overhead power lines by Alexander I. Matsyna

“…The results of a special research carried out in the arid zone in the territory of the Republic of Kalmykia (Russia) demonstrate the low efficiency of "blank" insulators installed earlier on 6–10 kV overhead power lines (OPLs) as bird protection devices (BPDs). The materials of inspection of territories with different types of 6–10 kV power lines, not equipped with "blank" insulators and any types of BPDs were used as a comparative material.…”
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The effects of exercise training on lipid profile in patients with sarcoidosis by Dariusz Jastrzebski, Beata Toczylowska, Elzbieta Zieminska, Aleksandra Zebrowska, Sabina Kostorz-Nosal, Elzbieta Swietochowska, Camillo Di Giulio, Dariusz Ziora

“…Proton nuclear magnetic resonance (NMR) spectroscopy combined with orthogonal partial least squares-discriminant analysis (OPLS-DA) was used to determine lipid profile before and after ET. …”
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Widely targeted metabolomics reveals differences in metabolites of Paeonia lactiflora cultivars. by Yonghui Li, Yingying Tian, Xiaojun Zhou, Xiangmeng Guo, Huiyuan Ya, Shipeng Li, Xiangli Yu, Congying Yuan, Kai Gao

“…Principal component analysis (PCA), orthogonal partial least-squares discriminant analysis (OPLS-DA), and hierarchical clustering analysis (HCA) were carried out for metabolites of different varieties of P. lactiflora.…”
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Exploration of Chemical Diversity and Antitrypanosomal Activity of Some Red Sea-Derived Actinomycetes Using the OSMAC Approach Supported by LC-MS-Based Metabolomics and Molecular M... by Noha M. Gamaleldin, Walid Bakeer, Ahmed M. Sayed, Yara I. Shamikh, Ahmed O. El-Gendy, Hossam M. Hassan, Hannes Horn, Usama Ramadan Abdelmohsen, Wael N. Hozzein

“…Thereafter, orthogonal projections to latent structures discriminant analysis (OPLS-DA) suggested a number of metabolites to be associated with the antitrypanosomal activity of the active extracts. …”
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Grading of endometrial cancer using 1H HR-MAS NMR-based metabolomics by Agnieszka Skorupa, Michał Poński, Mateusz Ciszek, Bartosz Cichoń, Mateusz Klimek, Andrzej Witek, Sławomir Pakuło, Łukasz Boguszewicz, Maria Sokół

“…The statistical significance of the OPLS-DA modeling was also verified by an univariate analysis. …”
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Discrimination of Geographical Origin of Agricultural Products From Small-Scale Districts by Widely Targeted Metabolomics With a Case Study on Pinggu Peach by Jie Zhao, Jie Zhao, An Li, An Li, Xinxin Jin, Xinxin Jin, Gang Liang, Gang Liang, Ligang Pan, Ligang Pan

“…Orthogonal partial least squares-discriminant analysis (OPLS-DA) based on 159 identified metabolites showed significant separation from Pinggu and the other adjacent regions. …”
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Metabolic Responses of Two Contrasting Lentil Genotypes to PEG-Induced Drought Stress by Chrysanthi Foti, Ioannis F. Kalampokis, Konstantinos A. Aliferis, Ourania I. Pavli

“…The data was subjected to OPLS-DA and OPLS-HCA for the discrimination between treatments and the discovery of trends and corresponding biomarkers. …”
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Confirmation of brain death using optical methods based on tracking of an optical contrast agent: assessment of diagnostic feasibility by Wojciech Weigl, Daniel Milej, Anna Gerega, Beata Toczyłowska, Piotr Sawosz, Michał Kacprzak, Dariusz Janusek, Stanisław Wojtkiewicz, Roman Maniewski, Adam Liebert

“…Orthogonal partial least squares-discriminant analysis (OPLS-DA) was carried out to build statistical models allowing for group separation. …”
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Analysis of Differences in Flavor Characteristics among Different Grades of Stir-Fried Pixian Broad Bean Paste by SPME-GC-MS and GC-IMS by ZHANG Hao, GU Siyuan, DENG Jing, ZHOU Jianqin, TANG Yingming, YI Yuwen

“…In order to identify the differences in flavor among different grades of stir-fried Pixian broad bean paste, solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS), GC-ion mobility spectrometry (GC-IMS), principal component analysis (PCA), orthogonal partial least squares discriminant analysis (OPLS-DA) and odor activity value (OAV) were applied to determine the key flavor compounds. …”
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Analysis of the Difference of Volatile Substances in Sprouted Garlic Based on Electronic Nose and GC-MS by Ying HAN, Yuwen YI, Lian HE, Jing DENG, Jinxiang HU, Huachang WU, Lifang SHI, Huizhen YANG

“…A predictive model with a prediction accuracy of 96.00% was established by combining the electronic nose with OPLS-DA. GC-MS analysis revealed that sulfur compounds were the major common volatile compounds in garlic sprouts at different sprouting stages. …”
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