CELLULOSE DERIVATIVE FINE PARTICLE, LIQUID DISPERSION AND DISPERSOID THEREOF, AND DIAGNOSTIC

• Main Authors: SHIOMI YOSHIYUKI, DOI MASANORI, MATSUI TOSHIHIKO
• Format: Patent
• Language: English; Japanese
• Published: 30.04.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DERIVATIVES THEREOF; GENERAL PROCESSES OF COMPOUNDING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; POLYSACCHARIDES; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TESTING; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

PROBLEM TO BE SOLVED: To provide: a cellulose derivative fine particle that has a small particle size and is hydrophilic; and a liquid dispersion and dispersoid thereof, as well as to provide a diagnostic that is excellent in storage stability, does not require redundant components such as an emulsifier and surfactant, and that is composed of hydrophilic particles.SOLUTION: Provided is a cellulose derivative fine particle that is characterized in: comprising a cellulose derivative having a portion of cellulose hydroxyl group substituted with substituent; and having an average particle size of 9 to 1000 nm, as well as provided is a diagnostic that comprises the cellulose derivative fine particles having a substance that specifically binds to a test object material, supported thereon. 【課題】粒径が小さく親水性のセルロース誘導体微粒子、その分散液およびその分散体を提供すること、並びに保存安定性に優れ、乳化剤や界面活性剤などの余分な成分を必要とせず、かつ、親水性粒子から構成される診断薬を提供すること。【解決手段】セルロースの水酸基の一部が置換基で置換されたセルロース誘導体からなり、平均粒径が９〜１０００ｎｍであることを特徴とするセルロース誘導体微粒子、並びに該セルロース誘導体微粒子に検査対象物質と特異的に結合する物質を担持させてなる診断薬。【選択図】図１