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2003-2020 全部
为您找到包含“金纳米颗粒”的内容共35

甄淑君,肖婷,付文亮

2015-11-25

TMPyP结构中的N原子与纳米颗粒的配位作用将纳米颗粒连接到石墨烯表面,形成纳米颗粒与石墨烯的组装体。由于纳米颗粒和石墨烯能分别通过电磁增强和化学增强机理增强拉曼散射信号,因此该组装体能作为一种高效的

高等学校博士学科点专项科研基金(新教师类)(20120182120017

重庆市基础与前沿研究项目(cstc2013jcyjA50008

国家自然科学基金(21305113

西南大学化学化工学院,重庆 400715,西南大学化学化工学院,重庆 400715,西南大学化学化工学院,重庆 400715

#化学#

袁楚晓,杨芳,顾宁

2018-07-03

脂质微气泡被广泛应用于超声造影,胶体纳米颗粒具有粒径可控、稳定和生物相容性良好的优点,近年来被应用于药物输运、光声成像和计算机断层成像(CT)。本论文将纳米颗粒(23 nm)自组装到超声造影剂脂

国家自然科学基金(31370019

江苏省六大人才高峰高层次人(2017-SWYY-006

东南大学仲英青年学者项目(

School of Biological Science and Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210096,School of Biological Science and Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210096,School of Biological Science and Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210096

#基础医学#

本文收录在中国科技论文在线精品论文,2018,11(17):1725-1733.

Song Min,Xu juan,Wu Changzi

In this paper, graphene oxide was synthesized by Hummers method. And then, carboxylic acid functionalized graphene (graphene-COOH), thiol-functionalized graphene (graphene-SH) and highly dispersive graphene were prepared by chemical modification of respective groups on the graphene surface. Furthermore, we explore a solution-based approach to prepare three differently functionalized graphene-gold composites by one step chemical reduction of AuCl4- ions in functionalized graphene suspensions, where the gold nanoparticles were deposited on the functionalized graphene surface during their synthesis process. In addition, we compare the influence of surface functionalization on the growth of gold nanoparticles on graphene. Transmission electron microscopy (HR-TEM) and ultraviolet-visible (UV-Vis) spectroscopy were employed to study the effect of surface functionalities on AuNPs distribution onto the graphene surface and demonstrate the successful immobilization of AuNPs on graphene surface.

2012-03-20

The National Natural Science Foundation of China (20907008)

Key Laboratory of Energy Thermal Conversion and Control, Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China.,Key Laboratory of Energy Thermal Conversion and Control, Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China.,Center of environmental emergency response and accident investigation of jiangsu province, Nanjing 210009, China.

#Materials Science#

陆培祥,王凯,龙华,付明,杨光

2009-12-29

采用纳米球蚀刻技术在石英衬底上制备了不同高度的纳米颗粒阵列.通过扫描电子显微镜对其表面形貌进行了观测,表明纳米颗粒为有序分布的三棱柱结构。观测到了纳米颗粒表面等离子体振荡效应引起的光吸收峰在

高等学校博士学科点专项基金(20060487006

武汉国家光电实验室,华中科技大学,武汉国家光电实验室,华中科技大学,武汉国家光电实验室,华中科技大学,武汉国家光电实验室,华中科技大学,武汉国家光电实验室,华中科技大学

#物理学#

SHI Ruyi,LIU Xiangjiang

The photoacoustic signal generated by laser-induced nanobubbles (PA-LINB) proved to be a sensitive tool to monitor aggregation of gold nanoparticles. Here, a simple and label-free photoacoustic method for the rapid detection of Pb2+ in aqueous phase was developed. Due to the high affinity of Pb2+ ions to glutathione, the presence of Pb2+ led to the aggregation of glutathione conjugated gold nanoparticles (GSH-GNPs). Hence, by measuring the variation of the PA-LINB signal after the aggregation of GSH-GNPs, Pb2+ can be quantified. A low detection limit for Pb2+ (42 nM) and a wide linear working range (42 ~ 1000 nM) was achieved. Furthermore, the proposed method showed good selectivity against other metal ions.

2017-04-24

Specialized Research Fund for the Doctoral Program of Higher Education (No. 20130101120148

Natural Sciences Fund of Zhejiang Province (LY14B050004

National Natural Science Foundation of China (No. 21305125

Zhejiang Provincial Public Welfare Technology Applied Research Project (No. 2016C32006

College of biosystems engineering and food science, Zhejiang University, Hangzhou 310058,College of biosystems engineering and food science, Zhejiang University, Hangzhou 310058

#Chemistry#

曾哲,刘波,赵元弟

2012-03-19

制备了一种能增强量子点荧光的纳米金属颗粒和量子点的复合颗粒Au@SiO2。研究了纳米金属颗粒对量子点荧光增强的效应。在纳米颗粒表面包被一层二氧化硅后,通过三氨丙基三乙氧基硅烷的修饰使二氧化硅的表面

武汉光电国家实验室(筹)-华中科技大学Britton Chance生物医学光子学研究中心,湖北 武汉 430074,武汉光电国家实验室(筹)-华中科技大学Britton Chance生物医学光子学研究中心,湖北 武汉 430074,武汉光电国家实验室(筹)-华中科技大学Britton Chance生物医学光子学研究中心,湖北 武汉 430074

#基础医学#

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朱静怡,熊智娟,沈明武,史向阳

2016-07-08

树状大分子上载入了9个DOX分子,且该纳米颗粒平均粒径为2.8 nm。该DOX化学键合的纳米颗粒由于顺式乌头酸酐的接入使其具有酸敏感药物缓释效果,即在较低的pH条件下,该体系具有较高的DOX缓释速率

东华大学材料科学与工程学院,纤维材料改性国家重点实验室,上海,201620,东华大学化学化工与生物工程学院,上海,201620,东华大学化学化工与生物工程学院,上海,201620,东华大学材料科学与工程学院,纤维材料改性国家重点实验室,上海,201620;东华大学化学化工与生物工程学院,上海,201620

#材料科学#

1评论(0 分享(0)

Sun Jianfei ,Guo Zhirui ,Zhang Yu,Gu Ning

The self-organization on silica slide of citrate-capped Au nanoparticles driven by solvent evaporation was carried out under an alternating magnetic field. It was found that Au nanoparticles nearly uniformly dispersed on the substrate with a generalized “phase transition”, rather than 2D or 3D aggregation observed in previous experiments, which was correlative with field parameters. The mechanism was proposed based on the combination of capillary force and electrowetting induced by alternating magnetic field.

2006-05-26

SouthEast University,SouthEast University,SouthEast University,SouthEast University

#Chemistry#