二氧化硅颗粒

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DiagNano™ 二氧化硅颗粒,是以正硅酸乙酯为原料采用Stober法制备的粒径分布均匀的球形二氧化硅纳、微米颗粒,通过调节反应温度、反应时间和NH4OH、H2O和TEOS的浓度,可以调节二氧化硅的粒径和粒度分布(DLS表征)。高度单分散的无孔的二氧化硅,粒径分布在10 nm – 1.5 µm范围内,密度2.0g/cm³ 。多孔二氧化硅颗粒,粒径可在3 µm – 20 µm范围内调控,密度1.8 g/cm³。

Si-OH末端的二氧化硅颗粒具有亲水性的表面,很高的化学活性,在有机溶剂和水溶液介质中长期稳定。二氧化硅颗粒表面大量的羟基,可以使多种物质结合到颗粒表面,改善颗粒表面状态,实现对其化学修饰。可以引入不同的有机官能团,如COOH、NH2、NHS、Epoxy、Ni-NTA和C18等,使其表面功能化,也可以共价结合多种生物分子,如Streptavidin、Avidin和Protein A等,提高其生物靶向性,广泛应用于生物分析,生化检测等领域。

二氧化硅颗粒
硅羟基二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-B001 10 nm Si-OH 25 mg/mL 10 mL
DNG-B002 30 nm Si-OH 25 mg/mL 10 mL
DNG-B003 50 nm Si-OH 25 mg/mL 10 mL
DNG-B004 70 nm Si-OH 25 mg/mL 10 mL
DNG-B005 100 nm Si-OH 50 mg/mL 10 mL
DNG-B006 200 nm Si-OH 50 mg/mL 10 mL
DNG-B007 300 nm Si-OH 50 mg/mL 10 mL
DNG-B008 400 nm Si-OH 50 mg/mL 10 mL
DNG-B009 500 nm Si-OH 50 mg/mL 10 mL
DNG-B010 600 nm Si-OH 50 mg/mL 10 mL
DNG-B011 700 nm Si-OH 50 mg/mL 10 mL
DNG-B012 800 nm Si-OH 50 mg/mL 10 mL
DNG-B013 1 µm Si-OH 50 mg/mL 10 mL
DNG-B014 1.5 µm Si-OH 50 mg/mL 10 mL
DNG-B015 3 µm Si-OH 50 mg/mL 10 mL
DNG-B016 4 µm Si-OH 50 mg/mL 10 mL
DNG-B017 5 µm Si-OH 50 mg/mL 10 mL
DNG-B018 10 µm Si-OH 50 mg/mL 10 mL
DNG-B019 15 µm Si-OH 50 mg/mL 10 mL
DNG-B020 20 µm Si-OH 50 mg/mL 10 mL

氨基二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-F032 30 nm Amine 25 mg/mL 10 mL
DNG-F033 50 nm Amine 25 mg/mL 10 mL
DNG-F034 70 nm Amine 25 mg/mL 10 mL
DNG-F035 100 nm Amine 25 mg/mL 10 mL
DNG-F036 200 nm Amine 50 mg/mL 10 mL
DNG-F037 300 nm Amine 50 mg/mL 10 mL
DNG-F038 500 nm Amine 50 mg/mL 10 mL
DNG-F039 1 µm Amine 50 mg/mL 10 mL
DNG-F040 1.5 µm Amine 50 mg/mL 10 mL
DNG-F041 3 µm Amine 50 mg/mL 10 mL
DNG-F042 4 µm Amine 50 mg/mL 10 mL
DNG-F043 5 µm Amine 50 mg/mL 10 mL
DNG-F044 10 µm Amine 50 mg/mL 10 mL
DNG-F045 15 µm Amine 50 mg/mL 10 mL
DNG-F046 20 µm Amine 50 mg/mL 10 mL

羧基二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-F047 30 nm Carboxyl 25 mg/mL 10 mL
DNG-F048 50 nm Carboxyl 25 mg/mL 10 mL
DNG-F049 70 nm Carboxyl 25 mg/mL 10 mL
DNG-F050 100 nm Carboxyl 25 mg/mL 10 mL
DNG-F051 200 nm Carboxyl 50 mg/mL 10 mL
DNG-F052 300 nm Carboxyl 50 mg/mL 10 mL
DNG-F053 500 nm Carboxyl 50 mg/mL 10 mL
DNG-F054 1 µm Carboxyl 50 mg/mL 10 mL
DNG-F055 1.5 µm Carboxyl 50 mg/mL 10 mL
DNG-F056 3 µm Carboxyl 50 mg/mL 10 mL
DNG-F057 4 µm Carboxyl 50 mg/mL 10 mL
DNG-F058 5 µm Carboxyl 50 mg/mL 10 mL
DNG-F059 10 µm Carboxyl 50 mg/mL 10 mL
DNG-F060 15 µm Carboxyl 50 mg/mL 10 mL
DNG-F061 20 µm Carboxyl 50 mg/mL 10 mL

环氧基二氧化硅颗粒
Cat# Diameter Ligand Form Unit Size
DNG-F062 300 nm Epoxy Dry solid 100 mg
DNG-F063 500 nm Epoxy Dry solid 100 mg
DNG-F064 1 µm Epoxy Dry solid 100 mg
DNG-F065 1.5 µm Epoxy Dry solid 100 mg
DNG-F066 3 µm Epoxy Dry solid 100 mg
DNG-F067 4 µm Epoxy Dry solid 100 mg
DNG-F068 5 µm Epoxy Dry solid 100 mg
DNG-F069 10 µm Epoxy Dry solid 100 mg
DNG-F070 15 µm Epoxy Dry solid 100 mg
DNG-F071 20 µm Epoxy Dry solid 100 mg

NHS 二氧化硅颗粒
Cat# Diameter Ligand Form Unit Size
DNG-F082 300 nm NHS Dry solid 500 mg
DNG-F083 500 nm NHS Dry solid 500 mg
DNG-F084 1 µm NHS Dry solid 500 mg
DNG-F085 1.5 µm NHS Dry solid 500 mg
DNG-F086 3 µm NHS Dry solid 500 mg
DNG-F087 4 µm NHS Dry solid 500 mg
DNG-F088 5 µm NHS Dry solid 500 mg
DNG-F089 10 µm NHS Dry solid 500 mg
DNG-F090 15 µm NHS Dry solid 500 mg
DNG-F091 20 µm NHS Dry solid 500 mg

Ni-NTA 二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-F102 300 nm Ni-NTA 50 mg/mL 10 mL
DNG-F103 500 nm Ni-NTA 50 mg/mL 10 mL
DNG-F104 1 µm Ni-NTA 50 mg/mL 10 mL
DNG-F105 1.5 µm Ni-NTA 50 mg/mL 10 mL
DNG-F106 3 µm Ni-NTA 50 mg/mL 10 mL
DNG-F107 4 µm Ni-NTA 50 mg/mL 10 mL
DNG-F108 5 µm Ni-NTA 50 mg/mL 10 mL
DNG-F109 10 µm Ni-NTA 50 mg/mL 10 mL
DNG-F110 15 µm Ni-NTA 50 mg/mL 10 mL
DNG-F111 20 µm Ni-NTA 50 mg/mL 10 mL

C18 二氧化硅颗粒
Cat# Diameter Ligand Form Unit Size
DNG-F022 300 nm Octadecyl (C18) Dry solid 500 mg
DNG-F023 500 nm Octadecyl (C18) Dry solid 500 mg
DNG-F024 1 µm Octadecyl (C18) Dry solid 500 mg
DNG-F025 1.5 µm Octadecyl (C18) Dry solid 500 mg
DNG-F026 3 µm Octadecyl (C18) Dry solid 500 mg
DNG-F027 4 µm Octadecyl (C18) Dry solid 500 mg
DNG-F028 5 µm Octadecyl (C18) Dry solid 500 mg
DNG-F029 10 µm Octadecyl (C18) Dry solid 500 mg
DNG-F030 15 µm Octadecyl (C18) Dry solid 500 mg
DNG-F031 20 µm Octadecyl (C18) Dry solid 500 mg

链霉亲和素二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-C043 30 nm Streptavidin 25 mg/mL 1 mL
DNG-C011 100 nm Streptavidin 25 mg/mL 1 mL
DNG-C012 200 nm Streptavidin 25 mg/mL 1 mL
DNG-C013 300 nm Streptavidin 25 mg/mL 1 mL
DNG-C014 500 nm Streptavidin 25 mg/mL 1 mL
DNG-C015 1 µm Streptavidin 25 mg/mL 1 mL
DNG-C016 1.5 µm Streptavidin 25 mg/mL 1 mL
DNG-C017 3 µm Streptavidin 25 mg/mL 1 mL
DNG-C018 4 µm Streptavidin 25 mg/mL 1 mL
DNG-C019 5 µm Streptavidin 25 mg/mL 1 mL
DNG-C020 10 µm Streptavidin 25 mg/mL 1 mL
DNG-C021 15 µm Streptavidin 25 mg/mL 1 mL
DNG-C022 20 µm Streptavidin 25 mg/mL 1 mL

亲和素二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-C001 300 nm Avidin 25 mg/mL 2 mL
DNG-C002 500 nm Avidin 25 mg/mL 2 mL
DNG-C003 1 µm Avidin 25 mg/mL 2 mL
DNG-C004 1.5 µm Avidin 25 mg/mL 2 mL
DNG-C005 3 µm Avidin 25 mg/mL 2 mL
DNG-C006 4 µm Avidin 25 mg/mL 2 mL
DNG-C007 5 µm Avidin 25 mg/mL 2 mL
DNG-C008 10 µm Avidin 25 mg/mL 2 mL
DNG-C009 15 µm Avidin 25 mg/mL 2 mL
DNG-C010 20 µm Avidin 25 mg/mL 2 mL

蛋白质A二氧化硅颗粒
Cat# Diameter Ligand Concentration Unit Size
DNG-C033 300 nm Protein A 25 mg/mL 1 mL
DNG-C034 500 nm Protein A 25 mg/mL 1 mL
DNG-C035 1 µm Protein A 25 mg/mL 1 mL
DNG-C036 1.5 µm Protein A 25 mg/mL 1 mL
DNG-C037 3 µm Protein A 25 mg/mL 1 mL
DNG-C038 4 µm Protein A 25 mg/mL 1 mL
DNG-C039 5 µm Protein A 25 mg/mL 1 mL
DNG-C040 10 µm Protein A 25 mg/mL 1 mL
DNG-C041 15 µm Protein A 25 mg/mL 1 mL
DNG-C042 20 µm Protein A 25 mg/mL 1 mL