微/纳米尺度物种的分离技术用于生物医学应用
Qing Lu1,2, Zhinan Zhang1,2, Xianting Ding3,4
1State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, 200240, China.
概括
本综述探讨了先进的生物颗粒分离技术,重点关注有效分离细胞和外体细胞的被动平台. 它强调了改善诊断和健康监测的方法,降低了成本和复杂性.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术 纳米技术
- 细胞生物学 细胞生物学
背景情况:
- 精确的微/纳米尺度生物颗粒 (例如循环瘤细胞,外体,细菌) 的隔离对于疾病诊断和健康监测至关重要.
- 现有的活性分离方法 (磁电泳,电介电泳,声电泳,光电泳,光激活分类) 通常需要昂贵且庞大的仪器仪表.
- 越来越需要高吞吐量,低成本和小型化的被动分离平台.
研究的目的:
- 综合审查先进的生物颗粒隔离技术,强调超越传统类别的近期发展.
- 批判性地分析各种分离技术的特性,局限性和性能参数 (纯度,回收,吞吐量,分辨率,尺寸,方便性).
- 总结这些技术用于疾病诊断,治疗和研究的生物医学应用.
主要方法:
- 关于先进的生物颗粒隔离系统的文献综述,包括主动和被动方法.
- 基于关键绩效指标的不同分离技术的比较分析.
- 讨论特定的生物医学应用及其实际影响.
主要成果:
- 被动分离平台提供了积极方法的有希望的替代方案,因为它们的吞吐量高,成本低,体积小.
- 详细讨论各种隔离技术的优缺点,为选择和优化提供框架.
- 在癌症诊断,感染预防和健康监测中的各种应用的摘要.
结论:
- 先进的生物颗粒隔离技术对于许多生物医学应用是必不可少的,被动平台显示出显著的潜力.
- 应对当前的挑战和促进创新是优化和整合这些分离方法的关键,以便在未来临床使用.
- 本综述为了解生物颗粒分离的现状及其未来方向提供了基础.
更多相关视频
相关概念视频
Overview Of Cell Separation And Isolation
6.3K
Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.
6.3K
Techniques for Isolation of Pure Cultures
495
Microorganisms are routinely cultured in the laboratory using various techniques to isolate, grow, and quantify them for further study. These methods rely on inoculating microorganisms into a suitable growth medium under aseptic conditions to prevent contamination. Depending on the objective, inoculation can involve direct transfer or the use of diluted bacterial suspensions as the inoculum.Streak-Plate Method for IsolationThe streak-plate method is a common technique for obtaining pure...
495
Key Techniques in Microbiology
588
Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
588
Physical Methods for Controlling Microbial Growth: Radiation and Filtration
238
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
238


