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Pingfeng Fu,Tianwen Yang,Jie Feng,Huifen Yang 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.29 No.-
The alkaline molten-salt method was taken to effectively extract silicon from the copper ore tailings at500–600 8C. The extraction rate of SiO2 and Fe2O3 was ca. 82% and below 2%, respectively. Hematite wasnot converted to soluble NaFeO2 in low temperature NaOH–NaNO3 molten system. Mesoporous MCM-41 was synthesized using a hydrothermal method with the extracted Na2SiO3. The analysis of smallangle XRD, N2 adsorption–desorption and HRTEM showed that the silica sample had a regular hexagonalstructure of typical mesoporous MCM-41. The obtained MCM-41 silica had a BET specific surface area of946.68 m2/g and mesopore volume of 0.76 cm3/g.
Development and Application of Polymorphic SSR Markers in Luffa cylindrica
Junjie Cui,Zhen Lv,Tianwen Yang,Jing Wang,Yu Hong 한국원예학회 2022 원예과학기술지 Vol.40 No.5
Two published genomes of Luffa cylindrica, ‘SG2019’ and ‘SO3’, were used to develop polymorphic SSR markers for L. cylindrica by searching and comparing the SSR motifs at the same site in the two genomes. Based on the SSR search conditions and primer design criteria, 2130 polymorphic SSR markers for L. cylindrica were developed. The main motif type was dinucleotide, accounting for 80.28% of the total; the main motif units were AT/AT and AAT/ATT, accounting for 87.80% of the total. Furthermore, 40 polymorphic SSR markers developed in this study were randomly selected and amplified in 24 Luffa samples. According to the results, the 40 polymorphic SSR markers showed an amplification rate of 100% and a polymorphism rate of 80%. Cluster analysis classified the 24 Luffa samples into two main groups, L. cylindrica and L. acutangula. Overall, the polymorphic SSR markers developed in this study display a high polymorphic rate and reliable utilization value.