聚乙烯吡咯烷酮修饰的NaYF4∶Yb3+/Er3+上转换 发光纳米粒子的制备及其生物兼容性

芦志华; 陈欢; 何春凤; 揣晓红; 秦冠仕; 赵丹

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聚乙烯吡咯烷酮修饰的NaYF₄∶Yb³⁺/Er³⁺上转换发光纳米粒子的制备及其生物兼容性

材料合成及性能研究 | 更新时间：2020-08-12

- 聚乙烯吡咯烷酮修饰的NaYF₄∶Yb³⁺/Er³⁺上转换发光纳米粒子的制备及其生物兼容性
- Synthesis of Water Soluble Upconversion NaYF₄∶Yb³⁺,Er³⁺ Nanoparticals Using Polyvinylpyrrolidone as Surfactant and Their Biological Compatibility
- 发光学报 2011年32卷第10期页码：993-997
- 作者机构：
  
  1. 吉林大学电子科学与工程学院集成光电子国家重点联合实验室,吉林长春,130021
  2. 吉林大学第一医院泌尿外科,吉林长春,130022
- 作者简介：
- 基金信息：
  
  吉林省科技发展计划(201105004,20100702,20100136)();吉林大学杰出青年科学基金(201005008)();吉林大学基本科研(20090307
- DOI：
  中图分类号： O482.31
- 纸质出版日期：2011-10-22，
  
  网络出版日期：2011-10-22，
  
  收稿日期：2011-6-25，
  
  修回日期：2011-7-16，
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芦志华, 陈欢, 何春凤, 揣晓红, 秦冠仕, 赵丹. 聚乙烯吡咯烷酮修饰的NaYF4∶Yb3+/Er3+上转换发光纳米粒子的制备及其生物兼容性[J]. 发光学报, 2011,32(10): 993-997

LU Zhi-hua, CHEN Huan, HE Chun-feng, CHUAI Xiao-hong, QIN Guan-shi, ZHAO Dan. Synthesis of Water Soluble Upconversion NaYF4∶Yb3+,Er3+ Nanoparticals Using Polyvinylpyrrolidone as Surfactant and Their Biological Compatibility[J]. Chinese Journal of Luminescence, 2011,32(10): 993-997
芦志华, 陈欢, 何春凤, 揣晓红, 秦冠仕, 赵丹. 聚乙烯吡咯烷酮修饰的NaYF4∶Yb3+/Er3+上转换发光纳米粒子的制备及其生物兼容性[J]. 发光学报, 2011,32(10): 993-997 DOI：

LU Zhi-hua, CHEN Huan, HE Chun-feng, CHUAI Xiao-hong, QIN Guan-shi, ZHAO Dan. Synthesis of Water Soluble Upconversion NaYF4∶Yb3+,Er3+ Nanoparticals Using Polyvinylpyrrolidone as Surfactant and Their Biological Compatibility[J]. Chinese Journal of Luminescence, 2011,32(10): 993-997 DOI：

摘要

以聚乙烯吡咯烷酮(PVP)为表面活性剂

利用溶剂热法合成了NaYF

∶20%Yb

3%Er

(摩尔分数)的上转换发光纳米粒子。利用扫描电子显微镜对粒子的形貌进行了表征

结果表明纳米颗粒的尺寸在30~40 nm

分布比较均匀。在980 nm红外光的激发下

样品能够发出肉眼可见的明亮的黄色上转换荧光。样品可以较好地分散在水溶液中形成透明澄清的溶液。利用MTT实验测量了不同给药浓度下NaYF

纳米粒子是否对HeLa细胞具有生物毒性。结果表明:PVP修饰的NaYF

∶Yb

/Er

上转换发光纳米粒子具有较好的生物兼容性

对HeLa细胞无生物毒性

在生物荧光标记领域具有潜在的应用价值。

Abstract

Water soluble NaYF

∶20%Yb

3%Er

(mole fraction) upconversion nanoparticles (UCNPs) were synthesized by facile solvothermal method using polyvinylpyrrolidone (PVP) as the surfactant. The size and morphology of the UCNPs were confirmed by scanning electron microscopy (SEM). The SEM images showed almost all the UCNPs were nanospheres and the size was about 40 nm. Under the 980 nm excitation

the UCNPs exhibit bright yellow light. The UCNPs could be well dispersed in water to form a clearly transparent solution. MTT assay was performed to analyze the biotoxicity of the UCNPs. The results showed the NaYF

∶Yb

/Er

UCNPs modified by PVP had fairly biological compatibility and no biotoxicity for HeLa cell line

even the concentration of UCNPs reached 200 mg/mL. These results showed that the UCNPs had potential applications in biological field as luminescence labeling probes.

关键词

水溶性纳米粒子稀土上转换发光生物兼容性

Keywords

water soluble nanoparticalrare earthupconversion luminescencebiological compatibility

references

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