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Wang, Wenyan,Wang, Kun,Liu, Fengzhi,Fang, Jinggui Korean Society of Horticultural Science 2012 원예과학기술지 Vol.30 No.5
The study aimed to establish an efficient tool for cultivar identification and characterization being the first steps of apple introduction and improvement program. We utilized a method to efficiently record DNA molecular fingerprints of plant individuals genotyped by RAPD, which could be used as efficient reference information for quick plant identification. Ten of sixty 11-mer primers were screened to identify the 68 apple genotypes which could be distinguished by a combination of several primers. All cultivars were easily identified by the corresponding primers marked on the cultivar identification diagram (CID). The results indicated that the CID strategy developed and employed in the apple cultivar identification could be vital in the utilization of DNA marker in other plants as well as the development of the apple industry.
Preparation of corn straw based spongy aerogel for spillage oil capture
Yuan Li,Xiaodong Liu,Weijie Cai,Yafeng Cao,Yanfeng Sun,Fengzhi Tan 한국화학공학회 2018 Korean Journal of Chemical Engineering Vol.35 No.5
This work mainly focused on the preparation of a low-cost, ultralight absorbent from renewable corn straw and filter paper via a facile and environmental-friendly approach containing high-shear blending and freeze-drying operation. The physicochemical properties of aerogel were thoroughly examined by several characterization techniques. The satisfactory hydrophobicity of the spongy aerogel was attributed to the formation of polysiloxane on the surface of methyltrimethoxysilane (MTMS) by the silanization reaction. Owing to its superior features, such as ultralow density, high porosity, desirable hydrophobicity, the corn straw based spongy aerogel exhibited a remarkable absorption capacity for both crude oil (36 g/g) and common organic solvents including carbon tetrachloride (CCl4, 45 g/g), dimethyl sulphoxide (DMSO, 24 g/g), N, N-dumethylformamide (DMF, 45 g/g). This might shed light on the design of efficient adsorbent for oil spills and organic pollutants to meet with the sustainable development.
Wenyan Wang,Kun Wang,Fengzhi Liu,Jinggui Fang 한국원예학회 2012 원예과학기술지 Vol.30 No.5
The study aimed to establish an efficient tool for cultivar identification and characterization being the first steps of apple introduction and improvement program. We utilized a method to efficiently record DNA molecular fingerprints of plant individuals genotyped by RAPD, which could be used as efficient reference information for quick plant identification. Ten of sixty 11-mer primers were screened to identify the 68 apple genotypes which could be distinguished by a combination of several primers. All cultivars were easily identified by the corresponding primers marked on the cultivar identification diagram (CID). The results indicated that the CID strategy developed and employed in the apple cultivar identification could be vital in the utilization of DNA marker in other plants as well as the development of the apple industry.
Influence of raw material grain composition on the properties of fused silica ceramics
Qingtao Wang,Sen Li,Huaqin Yu,Fengzhi Li,Huijun Xu,Haibo Qiao,Juncheng Liu,Qingyang Du 한양대학교 세라믹연구소 2017 Journal of Ceramic Processing Research Vol.18 No.8
Fused silica ceramics were prepared by slip casting method with various particle sizes (d50 ≈ 2.31 μm, 19.79 μm, and 71.46 μm)from three types of fused silica powder. The influence of raw material grain composition on the viscosity of slurry, bulk density,porosity, water absorption, and flexural strength of the fused silica ceramics was investigated. The slurry viscosity wasmeasured by an XND-1 viscometer. The bulk density, porosity, and water absorption of the sintered samples were obtainedby the Archimedes method. The flexural strength was measured by a three-point bending test. The phase composition andmicrostructure of the samples were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Theresults show that when the grain composition was 5 : 3 : 2, slurry viscosity was 150.79 mPa·s with solid content of 75%, thefused silica ceramic particles were packed most tightly and demonstrate bulk density of 2.02 g/cm3, porosity of 6.99%, waterabsorption of 3.47%, and flexural strength of 51.27 MPa.