{"_buckets": {"deposit": "bbda8b30-faf8-43db-befc-c84f36a13931"}, "_deposit": {"created_by": 15, "id": "2000196", "owner": "15", "owners": [15], "owners_ext": {"displayname": "\u5317\u898b\u5de5\u696d\u5927\u5b66\u5b66\u8853\u6a5f\u95a2\u30ea\u30dd\u30b8\u30c8\u30ea\uff08KIT-R\uff09", "username": "kitir"}, "pid": {"revision_id": 0, "type": "depid", "value": "2000196"}, "status": "published"}, "_oai": {"id": "oai:kitami-it.repo.nii.ac.jp:02000196", "sets": []}, "author_link": [], "control_number": "2000196", "item_7_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2022-03", "bibliographicIssueDateType": "Issued"}}]}, "item_7_date_granted_63": {"attribute_name": "\u5b66\u4f4d\u6388\u4e0e\u5e74\u6708\u65e5", "attribute_value_mlt": [{"subitem_dategranted": "2022-03-18"}]}, "item_7_degree_grantor_61": {"attribute_name": "\u5b66\u4f4d\u6388\u4e0e\u6a5f\u95a2", "attribute_value_mlt": [{"subitem_degreegrantor": [{"subitem_degreegrantor_language": "ja", "subitem_degreegrantor_name": "\u5317\u898b\u5de5\u696d\u5927\u5b66"}], "subitem_degreegrantor_identifier": [{"subitem_degreegrantor_identifier_name": "10106", "subitem_degreegrantor_identifier_scheme": "kakenhi"}]}]}, "item_7_degree_name_60": {"attribute_name": "\u5b66\u4f4d\u540d", "attribute_value_mlt": [{"subitem_degreename": "\u535a\u58eb\uff08\u5de5\u5b66\uff09", "subitem_degreename_language": "ja"}]}, "item_7_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "A novel separation medium was developed for designing simple, highly efficient,\nand eco-friendly remediation technologies for treating water containing highly\nbioactive organic pollutants such as pharmaceuticals, personal care products, and\npesticides. The separation medium, didodecyldimethylammonium bromidemontmorillonite\n(DDAB-MT) organoclay, was readily prepared by mixing a\ndialkylated cationic surfactant, didodecyldimethyl-ammonium bromide (DDAB)\nand a layered clay mineral, montmorillonite K30 (MT), in the aqueous solution.\nThe possibility of DDAB-MT organoclay for treating water contaminating highly\nbioactive organic pollutants was studied.\nDDAB-MT organoclay was used for the sorption and degradation of an\norganophosphate pesticide, fenitrothion, in water. The degree of sorption\nincreased by the modification of MT with DDAB, because of the formation of\nhydrophobic DDAB assemblies for the sorption of hydrophobic fenitrothion.\nFenitrothion ([M+1] = 278) sorbed on the organoclay rapidly converted to the\ndegraded product anion ([M] = 262) followed by the further degradation into 3-\nmethyl-4-nitrophenol ([M\u22121] = 152). The activation energy for the first-order\nreaction of the primary degradation of fenitrothion (79.9 kJ mol\u22121) in the organoclay\nwas lower than the value (94.1 kJ mol\u22121) in water. Organoclay-mediated catalytic\nactivity expressed over a wide pH region (pH 5\u22129), being advantageous for the\napplication to different wastewaters and environmental waters. Continuous sorption\nand degradation of fenitrothion in contaminated water was examined by using a\nlaboratory-scale organoclay-packed column. Fenitrothion-free effluent\ncontaining its degraded product, 3-methyl-4-nitrophenol, having lower toxicity to\naquatic organisms outflowed from the bottom of the column.\nThe sorption of various antibiotics, pharmaceuticals and personal care products\nin water onto DDAB-MT organoclay was also studied. The extent of the sorption\non the organoclay was largely dependent on the DDAB content; the effect of DDAB\nmodification on the sorption was also influenced by hydrophobicity and/or net\ncharge of pharmaceutical. The binding constants of \u03b2-lactam antibiotics were\ndetermined from their interaction with the DDAB molecules on the organoclay and\nwere correlated with their aqueous-octanol distribution coefficients. Additionally,\nit was also influenced by the net charge of the antibiotic. A wide range of \u03b2-lactam\nantibiotics including penicillin- and cephalosporin-type antibiotics were sorbed on\nthe organoclay and rapidly degraded under mild conditions (pH 7, 25\u00baC). The\ncontinuous sorption and degradation of penicillin G in a buffer solution and\nsynthesized hospital wastewater were demonstrated by using an organoclay-packed\ncolumn. The resulting effluent was free of penicillin, and containing only\npenicillin degraded products.\nIn conclusion, DDAB-MT organoclay was useful separation medium for\ndecontaminating water containing bioactive organic pollutants such as\npharmaceuticals, personal care products, and pesticides. Because of high water\npermeability and hydrophobic property, the organoclay sorbed a wide range of\norganic pollutants and efficiently decontaminated polluted water. Moreover, \u03b2-\nlactam antibiotics and fenitrothion sorbed on the organoclay degraded into less\ntoxic compounds. Continuous sorption and degradation in the contaminated water\nwas successfully demonstrated, suggesting the usefulness of DDAB-MT\norganoclay as a barrier material for controlling diffusion of bioactive organic\npollutants.", "subitem_description_language": "en", "subitem_description_type": "Abstract"}, {"subitem_description": "\u533b\u85ac\u54c1\uff0c\u30d1\u30fc\u30bd\u30ca\u30eb\u30b1\u30a2\u88fd\u54c1\uff0c\u8fb2\u85ac\u306a\u3069\u306e\u751f\u7406\u6d3b\u6027\u306e\u9ad8\u3044\u6709\u6a5f\u6c5a\u67d3\u7269\u8cea\n\u542b\u6709\u6c34\u306e\u51e6\u7406\u306e\u305f\u3081\u306b\uff0c\u7c21\u4fbf\u3067\u9ad8\u52b9\u7387\u304b\u3064\u4f4e\u74b0\u5883\u8ca0\u8377\u6c34\u51e6\u7406\u6280\u8853\u3092\u8a2d\u8a08\u3059\n\u308b\u305f\u3081\u306b\uff0c\u65b0\u3057\u3044\u5206\u96e2\u5a92\u4f53\u3092\u958b\u767a\u3057\u305f\u3002\u3053\u306e\u5206\u96e2\u5a92\u4f53\u306f, \u4e8c\u672c\u9396\u30ab\u30c1\u30aa\u30f3\n\u6027\u754c\u9762\u6d3b\u6027\u5264\u3067\u3042\u308b\u81ed\u5316\u30b8\u30e1\u30c1\u30eb\u30a2\u30f3\u30e2\u30cb\u30a6\u30e0\uff08DDAB\uff09\u3068\u5c64\u72b6\u7c98\u571f\u9271\u7269\u3067\n\u3042\u308b\u30e2\u30f3\u30e2\u30ea\u30ed\u30ca\u30a4\u30c8K30\uff08MT\uff09\u3092\u6c34\u6eb6\u6db2\u4e2d\u3067\u6df7\u5408\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u5bb9\u6613\u306b\n\u8abf\u88fd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3002DDAB-MT \u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u306b\u3088\u308b\u9ad8\u751f\u7406\u6d3b\u6027\u6709\u6a5f\u6c5a\n\u67d3\u7269\u8cea\u6c5a\u67d3\u6c34\u51e6\u7406\u306e\u53ef\u80fd\u6027\u3092\u691c\u8a0e\u3057\u305f\u3002\nDDAB-MT \u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u3092\u7528\u3044\u3066\uff0c\u6709\u6a5f\u30ea\u30f3\u9178\u7cfb\u8fb2\u85ac\u3067\u3042\u308b\u30d5\u30a7\u30cb\u30c8\u30ed\n\u30c1\u30aa\u30f3\u306e\u6c34\u4e2d\u3067\u306e\u5438\u7740\u30fb\u5206\u89e3\u5b9f\u9a13\u3092\u884c\u3063\u305f\u3002 MT \u3092DDAB \u3067\u4fee\u98fe\u3059\u308b\u3053\u3068\u3067\n\u5438\u7740\u91cf\u304c\u5897\u52a0\u3057\u305f\u3002\u3053\u308c\u306f\u758e\u6c34\u6027\u306eDDAB \u96c6\u5408\u4f53\u304c\u5f62\u6210\u3055\u308c\u3001\u758e\u6c34\u6027\u306e\u30d5\u30a7\n\u30cb\u30c8\u30ed\u30c1\u30aa\u30f3\u304c\u305d\u3053\u306b\u5438\u7740\u3055\u308c\u305f\u305f\u3081\u3067\u3042\u308b\u3002\u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u306b\u5438\u7740\u3057\u305f\n\u30d5\u30a7\u30cb\u30c8\u30ed\u30c1\u30aa\u30f3([M+1] = 278)\u306f\uff0c\u901f\u3084\u304b\u306b\u5206\u89e3\u751f\u6210\u7269\u306e\u30a2\u30cb\u30aa\u30f3([M] =\n262)\u306b\u5909\u63db\u3055\u308c\uff0c\u3055\u3089\u306b3-methyl-4-nitrophenol([M-1] = 152)\u306b\u5206\u89e3\u3055\n\u308c\u305f\u3002 \u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u306b\u304a\u3051\u308b\u30d5\u30a7\u30cb\u30c8\u30ed\u30c1\u30aa\u30f3\u306e\u4e00\u6b21\u5206\u89e3\u306e\u6d3b\u6027\u5316\u30a8\u30cd\n\u30eb\u30ae\u30fc\uff0879.9 kJ mol-1\uff09\u306f\uff0c\u6c34\u4e2d\u3067\u306e\u5024\uff0894.1 kJ mol-1\uff09\u3088\u308a\u3082\u4f4e\u304b\u3063\u305f\u3002\n\u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u3092\u7528\u3044\u305f\u89e6\u5a92\u6d3b\u6027\u306f\uff0c\u5e83\u3044pH 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\u3092\u542b\u307f\u3001\u30d5\u30a7\u30cb\u30c8\u30ed\u30c1\u30aa\u30f3\u3092\u542b\u307e\u306a\u3044\n\u6c34\u306f\u3001\u6c34\u751f\u751f\u7269\u3078\u306e\u6bd2\u6027\u304c\u4f4e\u3044\u3002\n\u307e\u305f\uff0c\u6c34\u4e2d\u306e\u3055\u307e\u3056\u307e\u306a\u6297\u751f\u7269\u8cea\uff0c\u533b\u85ac\u54c1\uff0c\u30d1\u30fc\u30bd\u30ca\u30eb\u30b1\u30a2\u88fd\u54c1\u306eDDABMT\n\u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u3078\u306e\u5438\u7740\u306b\u3064\u3044\u3066\u3082\u691c\u8a0e\u3057\u305f\u3002\u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u3078\u306e\u5438\u7740\n\u91cf\u306f\uff0cDDAB \u306e\u542b\u6709\u91cf\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u304a\u308a\uff0c\u5438\u7740\u306b\u5bfe\u3059\u308bDDAB \u306e\u4fee\u98fe\u306e\n\u52b9\u679c\u306f\uff0c\u533b\u85ac\u54c1\u306e\u758e\u6c34\u6027\u3084\u6b63\u5473\u306e\u96fb\u8377\u306b\u3082\u5f71\u97ff\u3092\u53d7\u3051\u305f\u3002 \u03b2-\u30e9\u30af\u30bf\u30e0\u7cfb\n\u6297\u751f\u7269\u8cea\u306e\u7d50\u5408\u5b9a\u6570\u306f\uff0c\u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u4e0a\u306eDDAB \u5206\u5b50\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u304b\u3089\u6c7a\n\u5b9a\u3055\u308c\uff0c\u6c34-\u30aa\u30af\u30bf\u30ce\u30fc\u30eb\u5206\u914d\u4fc2\u6570\u3068\u76f8\u95a2\u3057\u3066\u3044\u305f\u3002 \u3055\u3089\u306b\uff0c\u6297\u751f\u7269\u8cea\u306e\n\u6b63\u5473\u306e\u96fb\u8377\u306b\u3082\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u305f\u3002 \u30da\u30cb\u30b7\u30ea\u30f3\u7cfb\uff0c\u30bb\u30d5\u30a1\u30ed\u30b9\u30dd\u30ea\u30f3\u7cfb\u3092\n\u542b\u3080\u5e83\u7bc4\u306a\u03b2-\u30e9\u30af\u30bf\u30e0\u7cfb\u6297\u751f\u7269\u8cea\u304c\u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u306b\u5438\u7740\u3057\uff0c\u6e29\u548c\u306a\u6761\n\u4ef6\uff08pH7\uff0c25\u2103\uff09\u3067\u901f\u3084\u304b\u306b\u5206\u89e3\u3055\u308c\u305f\u3002 \u30aa\u30eb\u30ac\u30ce\u30af\u30ec\u30fc\u3092\u5145\u586b\u3057\u305f\u30ab\u30e9\n\u30e0\u3092\u7528\u3044\u3066\uff0c\u7de9\u885d\u6db2\u304a\u3088\u3073\u5408\u6210\u75c5\u9662\u6392\u6c34\u4e2d\u306e\u30da\u30cb\u30b7\u30ea\u30f3G \u306e\u9023\u7d9a\u7684\u306a\u5438\u7740\n\u3068\u5206\u89e3\u5b9f\u9a13\u3092\u304a\u3053\u306a\u3063\u305f\u3002 \u5f97\u3089\u308c\u305f\u5ec3\u6db2\u306b\u306f\u30da\u30cb\u30b7\u30ea\u30f3\u306f\u542b\u307e\u308c\u305a\uff0c\u30da\u30cb\n\u30b7\u30ea\u30f3\u306e\u5206\u89e3\u7269\u306e\u307f\u304c\u542b\u307e\u308c\u3066\u3044\u305f\u3002\n\u7d50\u8ad6\u3068\u3057\u3066\uff0cDDAB-MT 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