{"_buckets": {"deposit": "1a0f0fd7-0188-4216-a34b-28af1decda11"}, "_deposit": {"id": "17770", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "17770"}, "status": "published"}, "_oai": {"id": "oai:soar-ir.repo.nii.ac.jp:00017770", "sets": ["1310"]}, "author_link": ["49669", "49670", "49671", "49672", "49673", "49674"], "item_1628147817048": {"attribute_name": "出版タイプ", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_ab4af688f83e57aa", "subitem_version_type": "AM"}]}, "item_6_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2015-12-10", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "725", "bibliographicPageStart": "718", "bibliographicVolumeNumber": "134", "bibliographic_titles": [{"bibliographic_title": "Carbohydrate Polymers"}]}]}, "item_6_description_20": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "This study examined the effects of sub- and supercritical water pretreatments on the physicochemical properties of crab shell α-chitin and its enzymatic degradation to obtain N,N′-diacetylchitobiose (GlcNAc)2. Following sub- and supercritical water pretreatments, the protein in the crab shell was removed and the residue of crab shell contained α-chitin and CaCO3. Prolonged pretreatment led to α-chitin decomposition. The reaction of pure α-chitin in sub- and supercritical water pretreatments was investigated separately; we observed lower mean molecular weight and weaker hydrogen bonds compared with untreated α-chitin. (GlcNAc)2 yields from enzymatic degradation of subcritical (350 °C, 7 min) and supercritical water (400 °C, 2.5 min) pretreated crab shell were 8% and 6%, compared with 0% without any pretreatment. This study shows that sub- and supercritical water pretreatments of crab shell provide to an alternative method to the use of acid and base for decalcification and deproteinization of crab shell required for (GlcNAc)2 production.", "subitem_description_type": "Abstract"}]}, "item_6_description_30": {"attribute_name": "資源タイプ（コンテンツの種類）", "attribute_value_mlt": [{"subitem_description": "Article", "subitem_description_type": "Other"}]}, "item_6_description_5": {"attribute_name": "引用", "attribute_value_mlt": [{"subitem_description": "Carbohydrate Polymers. 134:718-725 (2015)", "subitem_description_type": "Other"}]}, "item_6_link_3": {"attribute_name": "信州大学研究者総覧へのリンク", "attribute_value_mlt": [{"subitem_link_text": "Osada, Mitsumasa", "subitem_link_url": "http://soar-rd.shinshu-u.ac.jp/profile/ja.WmLUZFTp.html"}]}, "item_6_link_67": {"attribute_name": "WoS", "attribute_value_mlt": [{"subitem_link_text": "Web of Science", "subitem_link_url": "http://gateway.isiknowledge.com/gateway/Gateway.cgi?\u0026GWVersion=2\u0026SrcAuth=ShinshuUniv\u0026SrcApp=ShinshuUniv\u0026DestLinkType=FullRecord\u0026DestApp=WOS\u0026KeyUT=000364255800086"}]}, "item_6_publisher_4": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "ELSEVIER"}]}, "item_6_relation_48": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "10.1016/j.carbpol.2015.08.066"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doi.org/10.1016/j.carbpol.2015.08.066", "subitem_relation_type_select": "DOI"}}]}, "item_6_rights_62": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "© 2015 Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/"}]}, "item_6_select_64": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "author"}]}, "item_6_source_id_35": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0144-8617", "subitem_source_identifier_type": "ISSN"}]}, "item_6_source_id_39": {"attribute_name": "NII ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0144-8617", "subitem_source_identifier_type": "ISSN"}]}, "item_6_source_id_40": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AA10626772", "subitem_source_identifier_type": "NCID"}]}, "item_6_text_69": {"attribute_name": "wosonly authkey", "attribute_value_mlt": [{"subitem_text_value": "HIGH-TEMPERATURE WATER; N,N\u0027-DIACETYLCHITOBIOSE; DISSOLUTION; CHITOSAN"}]}, "item_6_text_70": {"attribute_name": "wosonly keywords", "attribute_value_mlt": [{"subitem_text_value": "Chitin; Enzymatic degradation; Marine biomass; N-Acetyl glucosamine; Hydrothermal treatment"}]}, "item_6_textarea_68": {"attribute_name": "wosonly abstract", "attribute_value_mlt": [{"subitem_textarea_value": "This study examined the effects of sub- and supercritical water pretreatments on the physicochemical properties of crab shell alpha-chitin and its enzymatic degradation to obtain N,N\u0027-diacetylchitobiose (GlcNAc)(2). Following sub- and supercritical water pretreatments, the protein in the crab shell was removed and the residue of crab shell contained alpha-chitin and CaCO3. Prolonged pretreatment led to alpha-chitin decomposition. The reaction of pure alpha-chitin in sub- and supercritical water pretreatments was investigated separately; we observed lower mean molecular weight and weaker hydrogen bonds compared with untreated alpha-chitin. (GlcNAc)(2) yields from enzymatic degradation of subcritical (350 degrees C, 7 min) and supercritical water (400 degrees C, 2.5 min) pretreated crab shell were 8% and 6%, compared with 0% without any pretreatment. This study shows that sub- and supercritical water pretreatments of crab shell provide to an alternative method to the use of acid and base for decalcification and deproteinization of crab shell required for (GlcNAc)(2) production. (C) 2015 Elsevier Ltd. All rights reserved."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Osada,  Mitsumasa"}], "nameIdentifiers": [{"nameIdentifier": "49669", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "MIURA,  Chika"}], "nameIdentifiers": [{"nameIdentifier": "49670", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "NAKAGAWA,  Yuko S."}], "nameIdentifiers": [{"nameIdentifier": "49671", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "KAIHARA,  Mikio"}], "nameIdentifiers": [{"nameIdentifier": "49672", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "NIKAIDO,  Mitsuru"}], "nameIdentifiers": [{"nameIdentifier": "49673", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "TOTANI,  Kazuhide"}], "nameIdentifiers": [{"nameIdentifier": "49674", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2016-12-10"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "Effect_of_sub-_and_supercritical_water.pdf", "filesize": [{"value": "1.5 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 1500000.0, "url": {"label": "Effect_of_sub-_and_supercritical_water.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/17770/files/Effect_of_sub-_and_supercritical_water.pdf"}, "version_id": "06931bc6-0026-4fef-87b6-0913309f3d08"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "Chitin", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Enzymatic degradation", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Marine biomass", "subitem_subject_scheme": "Other"}, {"subitem_subject": "N-Acetyl glucosamine", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Hydrothermal treatment", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Effect of sub- and supercritical water treatments on the physicochemical properties of crab shell chitin and its enzymatic degradation", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Effect of sub- and supercritical water treatments on the physicochemical properties of crab shell chitin and its enzymatic degradation", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1310"], "permalink_uri": "http://hdl.handle.net/10091/18547", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2015-09-01"}, "publish_date": "2015-09-01", "publish_status": "0", "recid": "17770", "relation": {}, "relation_version_is_last": true, "title": ["Effect of sub- and supercritical water treatments on the physicochemical properties of crab shell chitin and its enzymatic degradation"], "weko_shared_id": -1}