Preparation of Supermacroporous Composite Cryogel Embedded with SiO<sub>2</sub> Nanoparticles

许潘萍; 姚雨辰; 沈绍传; 贠军贤; 姚克俭

doi:10.1016/S1004-9541(10)60273-X

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Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles

催化、动力学与反应工程 | Updated：2026-01-06

- Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles
- Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles
- 中国化学工程学报（英文版） 2010年18卷第4期页码：667-671
- Affiliations：
  
  School of Chemical Engineering, University of New South Wales,NSW,Sydney,Australia,2052
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(10)60273-X
  中图分类号：
- 纸质出版：2010
- Accepted：
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许潘萍, 姚雨辰, 沈绍传, 等. Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles[J]. 中国化学工程学报（英文版）, 2010,18(4):667-671. DOI: 10.1016/S1004-9541(10)60273-X.

Nanoparticles[J]. Chinese Journal of Chemical Engineering, 2010, 18(4): 667-671.
许潘萍, 姚雨辰, 沈绍传, 等. Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles[J]. 中国化学工程学报（英文版）, 2010,18(4):667-671. DOI: 10.1016/S1004-9541(10)60273-X. DOI：

Nanoparticles[J]. Chinese Journal of Chemical Engineering, 2010, 18(4): 667-671. DOI： 10.1016/S1004-9541(10)60273-X.

摘要

Abstract

Supermacroporous composite cryogels embedded with SiO

nanoparticles were prepared by radical cryogenic copolymerization of the reactive monomer mixture of acrylamide (AAm) and N

N-methylene-bis-acrylamide (MBAAm) containing SiO

nanoparticles (mass ratios of nanoparticles to the monomer AAm from 0.01 to 0.08) under the freezing-temperature variation condition in glass columns.The properties of these composite cryogels were measured.The height equivalent to theoretical plate(HETP) of the cryogel beds at different liquid flow rates was determined by residence time distribution (RTD) using tracer pulse-response method.The composite cryogel matrix embedded with the mass fraction of SiO

nanoparticles of 0.02 presented the best properties and was employed in the following graft polymerization.Chromatographic process of lysozyme in the composite cryogel grafted with 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPSA) was carried out to evaluate the protein breakthrough and elution characteristics.The chromatography can be carried out at relatively high superficial velocity

i.e.

15 cm·min

-1

indicating the satisfactory mechanical strength due to the embedded nanoparticles.

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Preparation of Supermacroporous Composite Cryogel Embedded with SiO2 Nanoparticles

Preparation of Supermacroporous Composite Cryogel Embedded with SiO2 Nanoparticles

DOI：10.1016/S1004-9541(10)60273-X

摘要

Abstract

关键词

Keywords

references

Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles

Preparation of Supermacroporous Composite Cryogel Embedded with SiO₂ Nanoparticles