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Kobunshi Ronbunshu最新文献

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Raman Microspectroscopic Studies on Thermo-Responsive Polymer Rich Domains Formed by Optical Tweezers 光镊形成热响应性聚合物富畴的拉曼显微光谱研究
Kobunshi Ronbunshu Pub Date : 2018-05-25 DOI: 10.1295/KORON.2017-0087
T. Shoji, Yasuyuki Tsuboi
{"title":"Raman Microspectroscopic Studies on Thermo-Responsive Polymer Rich Domains Formed by Optical Tweezers","authors":"T. Shoji, Yasuyuki Tsuboi","doi":"10.1295/KORON.2017-0087","DOIUrl":"https://doi.org/10.1295/KORON.2017-0087","url":null,"abstract":"Poly ( N - isopropylacrylamide ) ( PNIPAM ) as a representative water - soluble thermo - responsive polymer exhibits a coil - to - globule phase transition followed by phase separation upon temperature increase, leading to the formation of polymer - rich domains in solution. Quantitative analysis of polymer concentration in polymer - rich domains is a challenging task for deeper understanding of the phenomena. Recently, we developed an analytical technique that combined optical tweezers with confocal Raman microspectroscopy to determine the concentration in the domain. Furthermore, optical tweezers enhanced by localized surface plasmon formed a micro - assembly of PNIPAM on plasmonic nanostructures, providing the platform for a highly sensitive detection technique for fl uorescent and non fl uorescent organic molecules dissolved in an aqueous solution. These trapping method combined with microspectroscopies are applicable for a variety of other thermos - responsive polymers.","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"24 1","pages":"243-253"},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90349984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Observation of Aqueous Resin Emulsion with Transmission Electron Microscope: Fixation of Core-Shell Type Epoxy Emulsion Particles with Gelatin 水性树脂乳液的透射电镜观察:明胶固定核壳型环氧乳液颗粒
Kobunshi Ronbunshu Pub Date : 2018-05-25 DOI: 10.1295/KORON.2017-0086
T. Okamoto, Y. Yamazaki
{"title":"Observation of Aqueous Resin Emulsion with Transmission Electron Microscope: Fixation of Core-Shell Type Epoxy Emulsion Particles with Gelatin","authors":"T. Okamoto, Y. Yamazaki","doi":"10.1295/KORON.2017-0086","DOIUrl":"https://doi.org/10.1295/KORON.2017-0086","url":null,"abstract":"エポキシ基を含有する化合物は接着剤や塗料,コー ティング剤などの用途に使用されている.反応としては 硬化剤,硬化触媒と混合し熱硬化反応させることが多 い.これらの反応は硬化剤,硬化触媒などと混合するこ とにより進行するため,混合後の低温硬化性と保存安定 性は相反し,両立することが難しい.一液型では室温で 反応しない硬化剤とエポキシ基を含有する化合物とを混 合し保存安定性を付与しているが硬化反応させるには高 温に加熱して硬化剤を活性化させなければならず低温硬 化性が悪い.また,二液型では室温で硬化反応が進むた め低温硬化性に優れるが,硬化剤と混合後すぐに反応が 進むため使用する直前に混合しなくてはならず保存安定 性が悪い.そこでエポキシ基を含有する化合物をコア, 熱可塑性樹脂をシェルとしたコアシェル型粒子をエマル ションとし水溶性の硬化剤と混合することで低温硬化性 と保存安定性の両立を図ることができるものも実用化さ れている. 本コアシェル型エマルション粒子のコアシェル構造を 確認するにはエマルション粒子断面を TEM観察するこ とが必要である.エマルションを TEM観察する場合, 一般的にはネガティブ染色1)を行うことが多い.ネガ ティブ染色は観察する試料を染色するのではなく試料の 周りをモリブデン酸アンモニウムやリンタングステン酸 など,金属原子を有する染色剤で満たすことにより試料 とコントラスト差を付与することである.しかしこの方 法の場合,粒子径の確認は可能であるが粒子の内部構造 を観察することはできない. エマルション粒子の内部構造を観察するには水相に浮 遊しているエマルション粒子を物理的に固定し超薄切片 を作製することが必要である.固定するには凍結超薄切 片2)を作製する方法がある.水を含む試料の場合,氷晶 防止1)のためにショ糖を添加することが多いが,エマル ションにショ糖を添加するとエマルション粒子が凝集し 内部構造を観察できない可能性がある. そこでエマルションのままゲル化しエマルション粒子 を固定すれば超薄切片を作製できると考え,ゲル化剤と してゼラチンを使用する超薄切片作製方法について検討 した.","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"9 1","pages":"290-292"},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73756314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
放射光小角X線散乱法による線状・環状・分岐高分子の溶液中における分子形態および分子間相互作用の研究 用放射光小角X射线散射法研究线状、环状、分支高分子溶液中的分子形态及分子间相互作用
Kobunshi Ronbunshu Pub Date : 2018-04-04 DOI: 10.1295/KORON.2017-0088
憲 寺尾, 昕悦 蒋, 研之 領木, 博一 長谷川
{"title":"放射光小角X線散乱法による線状・環状・分岐高分子の溶液中における分子形態および分子間相互作用の研究","authors":"憲 寺尾, 昕悦 蒋, 研之 領木, 博一 長谷川","doi":"10.1295/KORON.2017-0088","DOIUrl":"https://doi.org/10.1295/KORON.2017-0088","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"12 1","pages":"254-264"},"PeriodicalIF":0.0,"publicationDate":"2018-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80288510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of Self-Assembling 2,5-Diketopiperadine for Antibacterial Surface 自组装2,5-二酮哌啶抗菌表面的设计
Kobunshi Ronbunshu Pub Date : 2018-03-25 DOI: 10.1295/KORON.2017-0058
Eri Nakatsuka, S. Kakinoki, Y. Hirano
{"title":"Design of Self-Assembling 2,5-Diketopiperadine for Antibacterial Surface","authors":"Eri Nakatsuka, S. Kakinoki, Y. Hirano","doi":"10.1295/KORON.2017-0058","DOIUrl":"https://doi.org/10.1295/KORON.2017-0058","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"13 1","pages":"187-194"},"PeriodicalIF":0.0,"publicationDate":"2018-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89667457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Selective cell capture and release using antibody-immobilized polymer-grafted surface 选择性细胞捕获和释放使用抗体固定化聚合物接枝表面
Kobunshi Ronbunshu Pub Date : 2018-03-01 DOI: 10.1295/KORON.2017-0074
Tsuyoshi Kimura, N. Nakamura, Y. Hashimoto, S. Sakaguchi, S. Kimura, A. Kishida
{"title":"Selective cell capture and release using antibody-immobilized polymer-grafted surface","authors":"Tsuyoshi Kimura, N. Nakamura, Y. Hashimoto, S. Sakaguchi, S. Kimura, A. Kishida","doi":"10.1295/KORON.2017-0074","DOIUrl":"https://doi.org/10.1295/KORON.2017-0074","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"84 1","pages":"155-163"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83808246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Medical application of decellularized tissue-polymer complex 脱细胞组织-聚合物复合物的医学应用
Kobunshi Ronbunshu Pub Date : 2018-03-01 DOI: 10.1295/KORON.2017-0071
N. Nakamura, Tsuyoshi Kimura, A. Kishida
{"title":"Medical application of decellularized tissue-polymer complex","authors":"N. Nakamura, Tsuyoshi Kimura, A. Kishida","doi":"10.1295/KORON.2017-0071","DOIUrl":"https://doi.org/10.1295/KORON.2017-0071","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"46 1","pages":"128-136"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83264099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of functional thermoresponsive polymer brushes and their application to bioseparation 功能性热响应聚合物刷的设计及其在生物分离中的应用
Kobunshi Ronbunshu Pub Date : 2018-03-01 DOI: 10.1295/KORON.2017-0073
K. Nagase, T. Okano, H. Kanazawa
{"title":"Design of functional thermoresponsive polymer brushes and their application to bioseparation","authors":"K. Nagase, T. Okano, H. Kanazawa","doi":"10.1295/KORON.2017-0073","DOIUrl":"https://doi.org/10.1295/KORON.2017-0073","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"16 1","pages":"143-154"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82560665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Development of nanocarriers functionalized with stimuli-responsive polymer for controlled cellular uptake 用刺激反应聚合物功能化的纳米载体的开发，用于控制细胞摄取
Kobunshi Ronbunshu Pub Date : 2018-03-01 DOI: 10.1295/KORON.2017-0064
Tsubasa Yamanouchi, N. Katsuyama, Y. Hiruta, E. Ayano, H. Kanazawa
{"title":"Development of nanocarriers functionalized with stimuli-responsive polymer for controlled cellular uptake","authors":"Tsubasa Yamanouchi, N. Katsuyama, Y. Hiruta, E. Ayano, H. Kanazawa","doi":"10.1295/KORON.2017-0064","DOIUrl":"https://doi.org/10.1295/KORON.2017-0064","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"34 1","pages":"116-127"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89438592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Application of Cell Glue 细胞胶的设计与应用
Kobunshi Ronbunshu Pub Date : 2018-01-01 DOI: 10.1295/KORON.2017-0052
Y. Teramura
{"title":"Design and Application of Cell Glue","authors":"Y. Teramura","doi":"10.1295/KORON.2017-0052","DOIUrl":"https://doi.org/10.1295/KORON.2017-0052","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90581265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of Polyglycolic Acid Gels for Oral Administration and Their Drug Releasing Behavior 聚乙醇酸口服凝胶的制备及其释药行为
Kobunshi Ronbunshu Pub Date : 2018-01-01 DOI: 10.1295/KORON.2017-0061
K. Hataguchi, Masaki Takahashi, Katsuki Yamori, Michinori Karikomi, Takao Kimura, Fuminori Kobayashi, Yoshinori Suzuki
{"title":"Preparation of Polyglycolic Acid Gels for Oral Administration and Their Drug Releasing Behavior","authors":"K. Hataguchi, Masaki Takahashi, Katsuki Yamori, Michinori Karikomi, Takao Kimura, Fuminori Kobayashi, Yoshinori Suzuki","doi":"10.1295/KORON.2017-0061","DOIUrl":"https://doi.org/10.1295/KORON.2017-0061","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79618404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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