{"id":1460,"date":"2026-09-27T20:44:32","date_gmt":"2026-09-27T11:44:32","guid":{"rendered":"https:\/\/jaast.jp\/?p=1460"},"modified":"2026-09-27T20:54:13","modified_gmt":"2026-09-27T11:54:13","slug":"%e3%82%a8%e3%82%a2%e3%83%ad%e3%82%be%e3%83%ab%e8%a8%88%e6%b8%ac%e3%82%92%e6%94%af%e3%81%88%e3%82%8b%e6%96%b0%e3%81%9f%e3%81%aa%e4%b8%ad%e5%92%8c%e5%99%a8-a-new-neutralizer-for-aerosol-measurements","status":"publish","type":"post","link":"https:\/\/jaast.jp\/?p=1460","title":{"rendered":"\u30a8\u30a2\u30ed\u30be\u30eb\u8a08\u6e2c\u3092\u652f\u3048\u308b\u65b0\u305f\u306a\u4e2d\u548c\u5668 A New Neutralizer for Aerosol Measurements"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ud83c\udfc6 <strong>2026 Best Paper Award<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30cb\u30c3\u30b1\u30eb63\u3092\u7528\u3044\u305f\u30a8\u30a2\u30ed\u30be\u30eb\u4e2d\u548c\u5668\u306e\u6027\u80fd\u8a55\u4fa1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Evaluation of an Aerosol Neutralizer Using Nickel-63<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u3053\u306e\u7814\u7a76\u304c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8d70\u67fb\u578b\u96fb\u6c17\u79fb\u52d5\u5ea6\u7c92\u5f84\u5206\u6790\u5668\uff08SMPS\uff09\u306f\u3001\u30ca\u30ce\u7c92\u5b50\u3084\u30a8\u30a2\u30ed\u30be\u30eb\u7814\u7a76\u306b\u304a\u3044\u3066\u6700\u3082\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u7c92\u5f84\u5206\u5e03\u6e2c\u5b9a\u88c5\u7f6e\u306e\u4e00\u3064\u3067\u3059\u3002SMPS\u3067\u306f\u3001\u7c92\u5b50\u3092\u65e2\u77e5\u306e\u5e73\u8861\u5e2f\u96fb\u72b6\u614b\u306b\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u300c\u30a8\u30a2\u30ed\u30be\u30eb\u4e2d\u548c\u5668\u300d\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002 \u9577\u5e74\u3001\u65e5\u672c\u56fd\u5185\u3067\u306f\u30a2\u30e1\u30ea\u30b7\u30a6\u30e0241\uff08Am-241\uff09\u3092\u7528\u3044\u305f\u4e2d\u548c\u5668\u304c\u5229\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u88fd\u9020\u5143\u306e\u4e8b\u696d\u64a4\u9000\u306b\u3088\u308a\u30012021\u5e74\u672b\u3092\u3082\u3063\u3066\u4f9b\u7d66\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7814\u7a76\u306f\u3001\u3053\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u65b0\u305f\u306a\u9078\u629e\u80a2\u3068\u3057\u3066\u3001<strong>\u30cb\u30c3\u30b1\u30eb63\uff08Ni-63\uff09\u3092\u7528\u3044\u305f\u4e2d\u548c\u5668<\/strong> \u3092\u958b\u767a\u3057\u3001\u305d\u306e\u6027\u80fd\u3092\u8a73\u7d30\u306b\u691c\u8a3c\u3057\u305f\u3082\u306e\u3067\u3059\u3002 <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7814\u7a76\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7814\u7a76\u30c1\u30fc\u30e0\u306f100 MBq\u306eNi-63\u5bc6\u5c01\u7dda\u6e90\u3092\u7528\u3044\u305f\u8a66\u4f5c\u4e2d\u548c\u5668\u3092\u88fd\u4f5c\u3057\u307e\u3057\u305f\u3002Ni-63\u306b\u306f\u91cd\u8981\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u534a\u6e1b\u671f\u7d04100\u5e74<\/li>\n\n\n\n<li>\u03b2\u7dda\u6e90<\/li>\n\n\n\n<li>\u65e5\u672c\u3067\u306f\u898f\u5236\u5bfe\u8c61\u5916\u3067\u4f7f\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>\u539f\u5b50\u529b\u898f\u5236\u59d4\u54e1\u4f1a\u3078\u306e\u5c4a\u51fa\u4e0d\u8981<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3044\u3046\u7279\u5fb4\u3092\u6301\u3061\u307e\u3059\u3002 <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3069\u306e\u3088\u3046\u306b\u8a55\u4fa1\u3057\u305f\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8457\u8005\u3089\u306f\u3001<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5927\u6c17\u30a8\u30a2\u30ed\u30be\u30eb<\/li>\n\n\n\n<li>\u5869\u5316\u30ca\u30c8\u30ea\u30a6\u30e0\u7c92\u5b50<\/li>\n\n\n\n<li>\u30b9\u30af\u30ed\u30fc\u30b9\u7c92\u5b50<\/li>\n\n\n\n<li>PSL\u7c92\u5b50\u306b\u3088\u308b\u5e2f\u96fb\u7387\u8a66\u9a13<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3092\u7528\u3044\u3066\u5f93\u6765\u306e Am-241 \u4e2d\u548c\u5668\u3068\u6bd4\u8f03\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3b\u306a\u6210\u679c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u6c17\u30a8\u30a2\u30ed\u30be\u30eb\u304a\u3088\u3073\u5869\u5316\u30ca\u30c8\u30ea\u30a6\u30e0\u7c92\u5b50\u3067\u306f\u3001<strong>Ni-63\u4e2d\u548c\u5668\u3068Am-241\u4e2d\u548c\u5668\u306f\u307b\u307c\u540c\u7b49\u306e\u6027\u80fd<\/strong>\u3092\u793a\u3057\u307e\u3057\u305f\u3002 \u4f8b\u3048\u3070\u3001\u5927\u6c17\u7c92\u5b50\u6e2c\u5b9a\u3067\u306f\u4e21\u8005\u306e\u7c92\u5b50\u6570\u6fc3\u5ea6\u306f\u975e\u5e38\u306b\u3088\u304f\u4e00\u81f4\u3057\u3001ISO\u898f\u683c\u306e\u5224\u5b9a\u6761\u4ef6\u3082\u6e80\u305f\u3057\u307e\u3057\u305f\u3002 \u3055\u3089\u306b100 nm\u7c92\u5b50\u306e\u5e2f\u96fb\u7387\u6e2c\u5b9a\u3067\u306f\u3001<strong>SMPS\u6e2c\u5b9a\u3067\u6700\u3082\u91cd\u8981\u306a\u00b11\u4fa1\u5e2f\u96fb\u7387\u304c\u7406\u8ad6\u5024\u3068\u826f\u304f\u4e00\u81f4<\/strong>\u3059\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002 <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u65b9\u3067\u898b\u3048\u3066\u304d\u305f\u8ab2\u984c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8208\u5473\u6df1\u3044\u3053\u3068\u306b\u3001\u521d\u671f\u5e2f\u96fb\u72b6\u614b\u304c\u5927\u304d\u304f\u504f\u3063\u305f\u30b9\u30af\u30ed\u30fc\u30b9\u7c92\u5b50\u3067\u306f\u3001Ni-63\u4e2d\u548c\u5668\u306fAm-241\u4e2d\u548c\u5668\u3088\u308a\u7d0415%\u9ad8\u3044\u7c92\u5b50\u6570\u6fc3\u5ea6\u3092\u793a\u3057\u307e\u3057\u305f\u3002 \u3064\u307e\u308a\u3001<strong>\u4e00\u822c\u7684\u306a\u8a08\u6e2c\u3067\u306f\u5341\u5206\u5b9f\u7528\u7684\u3067\u3042\u308b\u4e00\u65b9\u3001\u7279\u6b8a\u306a\u9ad8\u5e2f\u96fb\u7c92\u5b50\u3067\u306f\u6ce8\u610f\u304c\u5fc5\u8981<\/strong> \u3067\u3042\u308b\u3053\u3068\u3082\u660e\u3089\u304b\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u8ad6\u6587\u8cde\u3092\u53d7\u8cde\u3057\u305f\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u7814\u7a76\u306f\u5358\u306a\u308b\u88c5\u7f6e\u958b\u767a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65e5\u672c\u306e\u30a8\u30a2\u30ed\u30be\u30eb\u7814\u7a76\u8005\u304c\u65e5\u5e38\u7684\u306b\u4f7f\u7528\u3057\u3066\u3044\u308bSMPS\u8a08\u6e2c\u57fa\u76e4\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u7814\u7a76\u3067\u3059\u3002 \u3055\u3089\u306b\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO\u898f\u683c\u306b\u6e96\u62e0\u3057\u305f\u8a55\u4fa1<\/li>\n\n\n\n<li>\u7406\u8ad6\u5e2f\u96fb\u7387\u3068\u306e\u6bd4\u8f03<\/li>\n\n\n\n<li>\u5b9f\u74b0\u5883\u30a8\u30a2\u30ed\u30be\u30eb\u306b\u3088\u308b\u691c\u8a3c<\/li>\n\n\n\n<li>\u4eba\u5de5\u7c92\u5b50\u306b\u3088\u308b\u8a73\u7d30\u8a55\u4fa1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u6975\u3081\u3066\u5b8c\u6210\u5ea6\u306e\u9ad8\u3044\u7814\u7a76\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a8\u30a2\u30ed\u30be\u30eb\u7814\u7a76\u3078\u306e\u30a4\u30f3\u30d1\u30af\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u6210\u679c\u306b\u3088\u308a\u3001Am-241\u304c\u5165\u624b\u3067\u304d\u306a\u3044\u65e5\u672c\u56fd\u5185\u306b\u304a\u3044\u3066\u3082\u3001\u4eca\u5f8c\u306e<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SMPS\u8a08\u6e2c<\/li>\n\n\n\n<li>DMA\u5206\u7d1a<\/li>\n\n\n\n<li>\u30ca\u30ce\u7c92\u5b50\u7814\u7a76<\/li>\n\n\n\n<li>\u5927\u6c17\u89b3\u6e2c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3092\u7d99\u7d9a\u3067\u304d\u308b\u73fe\u5b9f\u7684\u306a\u9078\u629e\u80a2\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002 <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Technical Papers: <strong>Evaluation of the Charge Conditioning Performance of an Aerosol Neutralizer Using Nickel-63<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">JOURNAL\u00a0OPEN ACCESS 2025 Volume 40 Issue 4 Pages 253-261\u00a0<a href=\"https:\/\/doi.org\/10.11203\/jar.40.253\">https:\/\/doi.org\/10.11203\/jar.40.253<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Is This Study Important?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Scanning Mobility Particle Sizer (SMPS) is one of the most widely used instruments for aerosol and nanoparticle measurements. A key component of the SMPS is the aerosol neutralizer, which establishes a predictable charge distribution before electrical mobility analysis. For many years, aerosol researchers in Japan relied on Am-241 neutralizers. However, the supply of Am-241 neutralizers ended in 2021 after the manufacturer discontinued production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This study evaluated a new aerosol neutralizer based on <strong>Nickel-63 (Ni-63)<\/strong> as a practical alternative. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Key Findings<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The authors developed a prototype neutralizer incorporating a 100 MBq sealed Ni-63 source and compared its performance with conventional Am-241 neutralizers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tests were performed using:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ambient aerosols<\/li>\n\n\n\n<li>Sodium chloride aerosols<\/li>\n\n\n\n<li>Sucrose aerosols<\/li>\n\n\n\n<li>Monodisperse PSL particles<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">under a variety of measurement conditions.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Main Results<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For ambient aerosols and sodium chloride aerosols, the Ni-63 neutralizer exhibited performance essentially equivalent to that of the conventional Am-241 neutralizer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The charging probabilities of \u00b11 charged particles at 100 nm, which are particularly important for SMPS measurements, showed excellent agreement with reference values. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Remaining Challenges<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For highly pre-charged sucrose aerosols, the Ni-63 neutralizer produced particle concentrations approximately 15% higher than those measured using the Am-241 neutralizer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This finding suggests that while the Ni-63 neutralizer is highly suitable for most practical applications, some caution may be required for aerosols with strongly biased initial charge distributions. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Why Did This Paper Receive the Best Paper Award?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This work addressed a critical challenge faced by the aerosol measurement community in Japan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By combining:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO-based performance evaluation<\/li>\n\n\n\n<li>Ambient aerosol measurements<\/li>\n\n\n\n<li>Laboratory-generated aerosol testing<\/li>\n\n\n\n<li>Experimental charging probability analysis<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">the study provided a comprehensive assessment of a realistic replacement for Am-241 neutralizers. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The results provide important guidance for researchers conducting aerosol measurements using SMPS systems in the coming decades.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"702\" height=\"300\" src=\"https:\/\/jaast.jp\/wp-content\/uploads\/2026\/09\/image-5.png\" alt=\"\" class=\"wp-image-1461\" srcset=\"https:\/\/jaast.jp\/wp-content\/uploads\/2026\/09\/image-5.png 702w, https:\/\/jaast.jp\/wp-content\/uploads\/2026\/09\/image-5-300x128.png 300w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u306f\u300e\u30a8\u30a2\u30ed\u30be\u30eb\u7814\u7a76\u300f\u63b2\u8f09\u8ad6\u6587\u3092\u5e83\u304f\u7d39\u4ecb\u3059\u308b\u305f\u3081\u3001\u65e5\u672c\u30a8\u30a2\u30ed\u30be\u30eb\u5b66\u4f1a\uff08JAAST\uff09\u304c\u4f5c\u6210\u3057\u305f\u89e3\u8aac\u8a18\u4e8b\u3067\u3059\u3002\u751f\u6210AI\u3092\u7de8\u96c6\u88dc\u52a9\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5185\u5bb9\u306f\u539f\u8457\u8ad6\u6587\u306b\u57fa\u3065\u304d\u3001\u5b66\u4f1a\u62c5\u5f53\u8005\u304c\u78ba\u8a8d\u30fb\u7de8\u96c6\u3057\u3066\u3044\u307e\u3059\u3002\u7814\u7a76\u5185\u5bb9\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u539f\u8457\u8ad6\u6587\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<em>This article was prepared by the Japan Association of Aerosol Science and Technology (JAAST) to introduce research published in<\/em> Earozoru Kenkyu. <em>Generative AI was used as an editorial support tool. The content has been reviewed and edited by JAAST and is based on the original research paper. Readers are encouraged to consult the original article for full scientific details.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83c\udfc6 2026 Best Paper Award . This study evaluated a new aerosol neutralizer based on Nickel-63 (Ni-63) as a practical alternative.\u5927\u6c17\u30a8\u30a2\u30ed\u30be\u30eb\u304a\u3088\u3073\u5869\u5316\u30ca\u30c8\u30ea\u30a6\u30e0\u7c92\u5b50\u3067\u306f\u3001Ni-63\u4e2d\u548c\u5668\u3068Am-241\u4e2d\u548c\u5668\u306f\u307b\u307c\u540c\u7b49\u306e\u6027\u80fd\u3092\u793a\u3057\u307e\u3057\u305f\u3002 <\/p>\n","protected":false},"author":8,"featured_media":1461,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[37],"tags":[69,67,46,51,70,68,71,52,66],"class_list":["post-1460","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-paper","tag-charging","tag-dma","tag-electrostatic","tag-measurement","tag-mobility","tag-neutralizer","tag-radioactivity","tag-size","tag-smps"],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/jaast.jp\/wp-content\/uploads\/2026\/09\/image-5.png","_links":{"self":[{"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/posts\/1460","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/jaast.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1460"}],"version-history":[{"count":2,"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/posts\/1460\/revisions"}],"predecessor-version":[{"id":1464,"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/posts\/1460\/revisions\/1464"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jaast.jp\/index.php?rest_route=\/wp\/v2\/media\/1461"}],"wp:attachment":[{"href":"https:\/\/jaast.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jaast.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jaast.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}