在诸多生物医学纳米材料中,磁性纳米材料因其独特的磁学性质在临床诊断和生物医学研究中获得了广泛应用,如肿瘤影像诊断和磁热疗、磁分离和即时检验、干细胞与再生医学脑部神经刺激和可控药物递释等。
磁性四氧化三铁(Fe3O4)纳米颗粒是一种被广泛研究的磁性纳米材料,Fe3O4具有物料性质稳定、生物相容性且无毒副作用等特点。对Fe3O4进行表面修饰可以使其具有特定的功能,如在室温下通过外加磁场实现吸附分离,因而可应用于磁共振成像、磁分离、靶向药物载体、肿瘤热疗技术、细胞标记和分离以及作为增加显影剂、造影剂的研究等。
| 品名 | CAS | 货号 |
|---|---|---|
| Amino Fe3O4 magnetic beads , 0.1 - 0.2 μm, 0.5% (w/v) suspended in PBS buffer solution 氨基四氧化三铁磁珠 | 1317-61-9 | 1924547 |
| Carboxylated Fe3O4 magnetic beads, 0.1 - 0.2 μm, 0.5% (w/v) suspended in PBS buffer solution 羧基四氧化三铁磁珠 | 1317-61-9 | 1924549 |
| Hydroxy Fe3O4 magnetic beads, 0. 2- 0.3 μm, 0.5% (w/v) suspended in PBS buffer solution 羟基四氧化三铁磁珠 | 1317-61-9 | 943871 |
| Magnetic nano-stir bars, 99.9%, silica coated Iron oxide(II,III), 0.1mg/ml in ethanol 磁纳米搅拌子 | 1317-61-9 | 984557 |
| Oleic acid coated Fe3O4 magnetic nanoparticles, 1 mg/mL Fe dispersion in hexane, diam.: 7 - 10 nm 油酸修饰的四氧化三铁纳米粒子 | 1317-61-9 | 901693 |
磁性高分子微球(也称免疫磁性微球)是一种由磁性纳米颗粒和高分子骨架制备而成的生物医用材料,其中的高分子材料包括聚苯乙烯、硅烷、聚乙烯等,骨架材料主要是具有磁性的无机材料。
| 品名 | CAS | 货号 |
|---|---|---|
| Amino polystyrene magnetic beads, 1 - 2 μm, 0.5% (w/v) suspended in PBS buffer solution 氨基聚苯乙烯磁珠 | N/A | 1924551 |
| Amino urea formaldehyde resin Magnetic beads, 99.8%, 2 - 3 um, suspended in PBS buffer solution 氨基脲醛树脂磁珠 | N/A | 956043 |
| Carboxylated urea formaldehyde resin Magnetic beads, 99.8%, 2 - 3 um, suspended in PBS buffer solution 羧基脲醛树脂磁珠 | N/A | 973221 |
| Hydroxyl polystyrene magnetic beads, 1 - 2 μm, 0.5% (w/v) suspended in PBS buffer solution 羟基聚苯乙烯磁珠 | N/A | 1924553 |
| Hydroxyl urea formaldehyde resin Magnetic beads, 99.8%, 2 - 3 um, suspended in PBS buffer solution 羟基脲醛树脂磁珠 | N/A | 946748 |
| Polystyrene magnetic beads, 2.5 -3.5 um, 2.5% g/ml, suspended in H2O, proclin300 ≤0.1% 聚苯乙烯磁珠 | N/A | 9244431 |
| Carboxylated polystyrene magnetic beads, 1 - 2 μm, 0.5% (w/v) suspended in PBS buffer solution 羧基聚苯乙烯磁珠 | N/A | 1924552 |
磁性二氧化硅俗称“白炭黑”,为无定型白色粉末,无味、无毒,球形微结构,称网状或絮状结构。具有粒径小、比表面积大、表面能大、吸附能力强、纯度高、稳定性高、补强性、增稠性和触变性等优异性能,是重要的纳米无机原材料之一,在众多学科及领域内独具特性,有着不可取代的作用。
| 品名 | 规格 | 货号 |
|---|---|---|
| Amino silica magnetic beads, SLC, 1 - 2 μm, 1% (w/v) suspended in PBS buffer solution 氨基二氧化硅磁珠 | 核壳式 | 952697 |
| Amino silica magnetic beads, SLE, 1 - 2 μm, 1% (w/v) suspended in PBS buffer solution 氨基二氧化硅磁珠 | 包埋式 | 1924554 |
| Carboxylated silica magnetic beads, SLC, 1 - 2 μm, 1% (w/v) suspended in PBS buffer solution 羧基二氧化硅磁珠 | 核壳式 | 982842 |
| Carboxylated silica magnetic beads, SLE, 1 - 2 μm, 1% (w/v) suspended in PBS buffer solution 羧基二氧化硅磁珠 | 包埋式 | 1924555 |
| Hydroxyl silica magnetic beads, SLC, 1 - 2 μm, 1% (w/v) suspended in PBS buffer solution 羟基二氧化硅磁珠 | 核壳式 | 975134 |
| Hydroxyl silica magnetic beads, SLE, 1 - 2 μm, 1% (w/v) suspended in PBS buffer solution 羟基二氧化硅磁珠 | 包埋式 | 1924556 |