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Binding buffer optimization for TEOS-modified magnetite nanoparticle-based DNA extraction method

delete2025-02-01
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PRE
AI
S
Stanley Evander Emeltan Tjoa
M
Mudasir Mudasir
E
Edi Suharyadi
B
Budi Setiadi Daryono *
DOI:10.1016/j.matchemphys.2025.130622delete
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摘要

摘要

En 中文
基于磁性纳米颗粒的DNA提取是一种广为人知的方法。在其应用中,TEOS是最常用的作为涂层剂的成分。TEOS改性的磁性纳米颗粒(TMNP)是使用0.5 ml TEOS/g MNP的比例制备的。所得TMNP的晶粒尺寸为19.8 nm,并具有铁磁性。根据DNA浓度、纯度和完整性的响应,选择与TMNP相匹配的适宜结合缓冲液为2.5 M浓度、pH 6.5条件下溶解的GuSCN。TMNP与结合缓冲液的这种组合可以提取多种类型细菌的DNA,产生的DNA范围为2.55-12.45 μg,且DNA纯度在260/280 nm处的吸光度比值为1.58-2.27。可分离的细菌类型包括Escherichia coli、Pseudomonas aeruginosa、Salmonella sp.、Salmonella paratyphi、Bacillus subtilis、Staphylococcus aureus、Enterobacter aerogenes、Shigella sonnei、Staphylococcus epidermidis和Mycobacterium tuberculosis。提取的DNA还可用于探针法和嵌入染料法qPCR。
Keyword:
Binding buffer
DNA extraction
Magnetite
TEOS

期刊

Materials Chemistry and Physics 封面图
Materials Chemistry and Physics
IF:
4.7
论文数:
3.8K
被引数:
5.7W

机构

P
pt konimex
学者数:
1
论文数: 1
被引数: 0
U
Univ Gadjah Mada
学者数:
301
论文数: 135
被引数: 45
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