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The approach suppresses low-frequency baseline effects and high-frequency noise by applying LIBS in the IDWT domain, enabling accurate quantification despite the uncontrolled oat flour matrix. Validation used oat samples spanning Ca, Mg, and K concentrations, producing linear signal–concentration relationships with R² above 0.98, and detection limits of 20 ppm. LIBS results agreed well with inductively coupled plasma optical emission spectroscopy (ICP-OES), supporting IDWT-LIBS as a promising real-time tool.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/real-time-analysis-of-mineral-elements-in-oat-using-laser-induced-breakdown-spectroscopy-summary/292758/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/real-time-analysis-of-mineral-elements-in-oat-using-laser-induced-breakdown-spectroscopy-summary/292758.png","ImageObject",300,407,{"name":92,"@type":93},"Grenda","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-09-17",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What technique is used to analyze mineral elements in oat in this study?","Question",{"text":113,"@type":114},"The study uses laser-induced breakdown spectroscopy (LIBS) integrated with an iterative discrete wavelet transform (IDWT) algorithm.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How does IDWT improve the LIBS signals?",{"text":118,"@type":114},"IDWT-based processing suppresses low-frequency baseline effects and high-frequency noise, improving signal quality for quantification.",{"name":120,"@type":111,"acceptedAnswer":121},"Which mineral elements were quantified and how accurate were the results?",{"text":122,"@type":114},"Calcium (Ca), magnesium (Mg), and potassium (K) were measured. Their signals showed linear dependence on concentration with R² above 0.98.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},292758,1789654946,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":130,"read_time":144},7971474921005,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Ausgabe für imr:livelyzachary Die Inhalte sind urheberrechtlich geschützt. Eine Weitergabe an unberechtigte Dritte ist untersagt.  \nJournal of Food Safety and Food Quality 72, Heft 4 (2021), Seiten 109–138 131  \n The contents are protected by copyright. The distribution by unauthorized third parties is prohibited.   \nArch Lebensmittelhyg 72, 131–136 (2021)  \nDOI 10. 2376/0003-925X-72-131  \n© M. & H. Schaper GmbH & Co. ISSN 0003-925X  \nKorrespondenzadresse: [pfzhang@tju.edu.cn](pfzhang@tju.edu.cn)  \nSummary  \n1) School of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin, 300072, China; 2) Tianjin Enter-Exit Inspection and Quarantine Bureau, Tianjin, China; 3) Automobile and Rail Transportation School, Tianjin Sino-German University of Applied Sciences, Tianjin, 300350, China; 4) Center for Aircraft Fire and Emergency, Civil Aviation University of China, Tianjin, 300300, China  \nReal-time analysis of mineral elements in oat using laser-induced breakdown spectroscopy  \nEchtzeit-Analyse von mineralischen Elementen in Hafermittels Laser-Emissionsspektroskopie  \nNaqash Ali1), Zhixuan Huang1), Jing Zong1), Yiwen Ma1), Yabing Xiao1,2), Lei Wang3), Pengfei Zhang1), Da Chen4)  \nThe aim of this research was to assess the contents of mineral elements in oat flour using laser-induced breakdown spectroscopy (LIBS) that was integrated with iterative discrete wavelet transform (IDWT) algorithm. By using LIBS in the IDWT domain, the effects of low-frequency baseline and high-frequency noise on LIBS signals were greatly suppressed. The IDWT-LIBS is thus capable of accurately quantifying mineral elements in the presence of an uncontrolled matrix of oat flour. To validate the IDWT-LIBS method, oat samples with various Ca, Mg, and K concentrations were measured, and their characteristic signals were linearly dependent on their concentrations, with an R2 being above 0.98. The limits of detection of these elements were determined as 20 ppm. The results obtained by LIBS were in reasonable agreement with those obtained by inductively coupled plasma optical emission spectroscopy (ICP-OES), indicating that IDWT-LIBS is a promising tool for the real-time quantification of mineral elements in oat flour samples.  \nKeywords: LIBS, oat flour, real-time analysis, mineral elements, IDWT, ICP-OES  \nAusgabe für imr:livelyzachary Die Inhalte sind urheberrechtlich geschützt. Eine Weitergabe an unberechtigte Dritte ist untersagt.  \nAusgabe für imr:livelyzachary Die Inhalte sind urheberrechtlich geschützt. Eine Weitergabe an unberechtigte Dritte ist untersagt.  \n132 Journal of Food Safety and Food Quality 72, Heft 4 (2021), Seiten 109–138  \n The contents are protected by copyright. The distribution by unauthorized third parties is prohibited.   \nIntroduction  \nCereal grains represent an essential source of nourishment and has been considered as one of the most important sources of calories for humans for a long time(Awika, 2011) . Cereal groups provide appropriate amounts of essential nutrients and form an important part of a balanced diet (Dewettinck et al., 2008; Poutanen, 2012) . About 70 % of the recommended daily intake of mineral elements can be satisfied by daily consumption of food products containing 200 g of wholemeal flour (Hussain et al., 2010) .  \nAmong cereals, oats are considered as a good source of fibre and have a well-balanced nutritional composition, such as high percentage of lipids, especially unsaturated fatty acids, minerals, vitamins, and phytochemicals (Head et al., 2010) . Due to their beneficial health effects, such as lowering blood glucose and cholesterol levels, they have gained considerable interest as a health food (Rasane et al., 2015; Whitehead et al., 2014) .  \nAmong these nutrients, mineral elements play vital roles. The daily consumption of mineral elements is necessary for the proper functioning of the human body. They are structure-forming elements (macro elements) and participate in the regul","cbCaie26bWK4jGiz","https://ap.wps.com/l/cbCaie26bWK4jGiz","pdf",3550989,"English","# Summary\n# Introduction","[{\"question\":\"What technique is used to analyze mineral elements in oat in this study?\",\"answer\":\"The study uses laser-induced breakdown spectroscopy (LIBS) integrated with an iterative discrete wavelet transform (IDWT) algorithm.\"},{\"question\":\"How does IDWT improve the LIBS signals?\",\"answer\":\"IDWT-based processing suppresses low-frequency baseline effects and high-frequency noise, improving signal quality for quantification.\"},{\"question\":\"Which mineral elements were quantified and how accurate were the results?\",\"answer\":\"Calcium (Ca), magnesium (Mg), and potassium (K) were measured. Their signals showed linear dependence on concentration with R² above 0.98.\"}]","Real-time analysis of mineral elements in oat using laser-induced breakdown spectroscopy - Summary | PDF",15]