{"id":6042,"date":"2026-03-17T13:09:56","date_gmt":"2026-03-17T06:09:56","guid":{"rendered":"https:\/\/mkimia.fst.unair.ac.id\/unair-department-of-chemistry-holds-mass-spectrometry-guest-lecture-with-prof-yoshiaki-takaya-from-meijo-university\/"},"modified":"2026-03-17T13:45:49","modified_gmt":"2026-03-17T06:45:49","slug":"unair-department-of-chemistry-holds-mass-spectrometry-guest-lecture-with-prof-yoshiaki-takaya-from-meijo-university","status":"publish","type":"post","link":"https:\/\/mkimia.fst.unair.ac.id\/en\/unair-department-of-chemistry-holds-mass-spectrometry-guest-lecture-with-prof-yoshiaki-takaya-from-meijo-university\/","title":{"rendered":"Unair Department of Chemistry Holds Mass Spectrometry Guest Lecture with Prof. Yoshiaki Takaya from Meijo University"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6042\" class=\"elementor elementor-6042 elementor-6010\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section 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class=\"elementor-heading-title elementor-size-default\">Unair Department of Chemistry Holds Mass Spectrometry Guest Lecture with Prof. Yoshiaki Takaya from Meijo University<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f23e00a elementor-widget elementor-widget-post-info\" data-id=\"6f23e00a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-734f236 elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/mkimia.fst.unair.ac.id\/en\/author\/editormkimia\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-user-circle\" viewBox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 104c-53 0-96 43-96 96s43 96 96 96 96-43 96-96-43-96-96-96zm0 144c-26.5 0-48-21.5-48-48s21.5-48 48-48 48 21.5 48 48-21.5 48-48 48zm0-240C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm0 448c-49.7 0-95.1-18.3-130.1-48.4 14.9-23 40.4-38.6 69.6-39.5 20.8 6.4 40.6 9.6 60.5 9.6s39.7-3.1 60.5-9.6c29.2 1 54.7 16.5 69.6 39.5-35 30.1-80.4 48.4-130.1 48.4zm162.7-84.1c-24.4-31.4-62.1-51.9-105.1-51.9-10.2 0-26 9.6-57.6 9.6-31.5 0-47.4-9.6-57.6-9.6-42.9 0-80.6 20.5-105.1 51.9C61.9 339.2 48 299.2 48 256c0-110.3 89.7-200 200-200s200 89.7 200 200c0 43.2-13.9 83.2-37.3 115.9z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\teditormkimia\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-5f053c5 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/mkimia.fst.unair.ac.id\/en\/2026\/03\/17\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-calendar\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>March 17, 2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-347f3592 elementor-widget elementor-widget-text-editor\" data-id=\"347f3592\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"276\" data-end=\"749\"><strong data-start=\"276\" data-end=\"309\">DEPARTMENT OF CHEMISTRY UNAIR<\/strong> \u2013 The Department of Chemistry, Faculty of Science and Technology (FST), Universitas Airlangga, organized a guest lecture titled <em data-start=\"438\" data-end=\"459\">\u201cMass Spectroscopy\u201d<\/em> on Wednesday (March 12, 2026) at the Chemistry Meeting Room. The event featured an international academic from Japan, Prof. Yoshiaki Takaya from Meijo University, who delivered a presentation on the principles and applications of mass spectrometry techniques in chemical compound analysis.<\/p>\n<p><\/p>\n<p data-start=\"751\" data-end=\"1049\">The event was attended by students and members of the academic community of the Department of Chemistry, who showed great enthusiasm in gaining insights into modern analytical methods widely used in chemical research, particularly in the identification of molecular structures of organic compounds.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34a35296 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"34a35296\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-scaled.jpg\" class=\"attachment-full size-full wp-image-6016\" alt=\"\" srcset=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-scaled.jpg 2560w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-300x225.jpg 300w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-1024x768.jpg 1024w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-768x576.jpg 768w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-1536x1152.jpg 1536w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/1_Kuliah-Tamu-2048x1536.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1. Group photo of the speaker and participants of the guest lecture.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05e2126 elementor-widget elementor-widget-text-editor\" data-id=\"05e2126\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1130\" data-end=\"1494\">In his presentation, Prof. Yoshiaki Takaya explained that mass spectrometry is an analytical technique used to determine molecular mass and assist in identifying the molecular formula of an organic compound. This method operates through the ionization process, in which neutral molecules are converted into ions so that they can be detected by a mass spectrometer.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44cfb0dc elementor-widget elementor-widget-image\" data-id=\"44cfb0dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1920\" height=\"2560\" src=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/2_Kuliah-Tamu-scaled.jpg\" class=\"attachment-full size-full wp-image-6014\" alt=\"\" srcset=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/2_Kuliah-Tamu-scaled.jpg 1920w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/2_Kuliah-Tamu-225x300.jpg 225w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/2_Kuliah-Tamu-768x1024.jpg 768w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/2_Kuliah-Tamu-1152x1536.jpg 1152w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/2_Kuliah-Tamu-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2. Presentation session by Prof. Yoshiaki Takaya.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c97b9bb elementor-widget elementor-widget-text-editor\" data-id=\"7c97b9bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1556\" data-end=\"1976\">He also described the mechanism of electron ionization (EI), a process in which a beam of electrons collides with molecules, producing positively charged radical ions. These ions subsequently undergo fragmentation, forming various ion fragments that are then analyzed to generate a mass spectrum pattern. This spectral pattern serves as the basis for determining the structure and characteristics of a chemical compound.<\/p>\n<p><\/p>\n<p data-start=\"1978\" data-end=\"2239\">Furthermore, Prof. Takaya explained the working scheme of a mass spectrometer instrument, which includes sample ionization, ion acceleration, separation based on mass-to-charge ratio (m\/z) using a magnetic field, and ion detection that produces a mass spectrum.<\/p>\n<p><\/p>\n<p data-start=\"2241\" data-end=\"2576\">Through this activity, students gained an understanding of the fundamental principles of mass spectrometry as one of the essential analytical techniques in modern chemistry, ranging from ionization and ion fragmentation processes to the interpretation of mass spectra for determining molecular mass and identifying chemical structures.<\/p>\n<p><\/p>\n<p data-start=\"2578\" data-end=\"2887\">The organization of this guest lecture represents one of the Department of Chemistry, Universitas Airlangga\u2019s efforts to strengthen international academic networks while enhancing students\u2019 understanding of global developments in chemical research and opening opportunities for future research collaborations.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16e9355 elementor-widget elementor-widget-image\" data-id=\"16e9355\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-scaled.jpg\" class=\"attachment-full size-full wp-image-6012\" alt=\"\" srcset=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-scaled.jpg 2560w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-300x225.jpg 300w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-1024x768.jpg 1024w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-768x576.jpg 768w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-1536x1152.jpg 1536w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/03\/3_Kuliah-Tamu-2048x1536.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3. Certificate handover to Prof. Yoshiaki Takaya.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-455225fb\" data-id=\"455225fb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-648327a1 elementor-widget elementor-widget-heading\" data-id=\"648327a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Other news<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3832f5e7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3832f5e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>DEPARTMENT OF CHEMISTRY UNAIR \u2013 The Department of Chemistry, Faculty of Science and Technology (FST), Universitas Airlangga, organized a guest lecture titled \u201cMass Spectroscopy\u201d on Wednesday (March 12, 2026) at [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":6016,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-6042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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