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- 저자 : Weiqiang Gao (검색결과 3 건)
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Cui Gao,Qian Zhang,Yi Yang,Yangyang Li,Weiqiang Lin 한국생체재료학회 2022 생체재료학회지 Vol.26 No.1
Blood purification is a commonly used method to remove excess metabolic waste in the blood in renal replacement therapy. The sufficient removal of these toxins from blood can reduce complications and improve survival lifetime in dialysis patients. However, the current biological blood purification materials in clinical practice are not ideal, where there is an unmet need for producing novel materials that have better biocompatibility, reduced toxicity, and, in particular, more efficient toxin clearance rates and a lower cost of production. Given this, this review has carefully summarized newly developed engineered different structural biomedical materials for blood purification in terms of types and structure characteristics of blood purification materials, the production process, as well as interfacial chemical adsorption properties or mechanisms. This study may provide a valuable reference for fabricating a user-friendly purification device that is more suitable for clinical blood purification applications in dialysis patients.
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Zhaotao Gao,Dehao Qu,Yanpeng Qu,Weiqiang Wang,Shurui Cui,Hongxiao Guo,Fei Li,Fayu Sun 한국섬유공학회 2022 Fibers and polymers Vol.23 No.3
In this work, a novel jig dyeing apparatus for dyeing polyester with supercritical carbon dioxide was designed andsuccessfully constructed. The built-in dye boxes set inside and guide roller to increase the exposure area of single layer fabricwere the two most attractive features of the equipment. Polyester was dyed at a temperature of 130 oC, the pressure of27 MPa. The colorfastness was analyzed as a function of polyester running speed. Under the condition that the polyester'srunning speed was 4 m/s, the fastness to staining, the fastness to fading, and the fastness to rubbing were rated at a grade of 3-4, 4-5, and 4, respectively. Dyeing properties complied with the expected requirements.
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Renewable magnetic alginate-graphene oxide hybrid for efficient cationic dye removal
Wenju Liu,Hongjuan Bai,Weiqiang Gao,Zihan Chen,Zhuangzhuang Liu,Zilong Chen,Junhang Chen 한국화학공학회 2022 Korean Journal of Chemical Engineering Vol.39 No.10
A batch system was applied to investigate the behavior of adsorption of methylene blue (MB) and crystal violet (CV) from aqueous solution using a renewable magnetic alginate composite containing graphene oxide (M-GO/ Alg) in single and binary systems. The surface morphology and chemical structure of the adsorbent were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), and vibrating sample magnetometer (VSM) analysis. The experimental data were fitted by the isotherm models and adsorption kinetics. And the maximum adsorption quantity of MB and CV reached 459.85 and 69.46mg/g at 298 K for M-GO/ Alg, respectively, as deduced from Langmuir model. After five successive adsorptive removal cycles for both dyes, no significant performance loss was observed for M-GO/Alg. Moreover, M-GO/Alg was easily separated under an external magnetic field. In binary system, MB and CV exhibited competitive adsorption. The obtained results suggested that M-GO/Alg can be used as an eco-friendly and recyclable adsorbent to remove cationic dyes from aqueous solutions.
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