Authors:L. Ş. Péterfi, L. Momeu, K. T. Kiss, and É. Ács
Péterfi, L. Ş., Momeu, L., Padisák, J. and Török, A. R. (2002): Silica-scaled flagellates (Synurophyceae) of the "Mestecânişul de la Reci", Covasna County, Transylvania. - Contrib. Bot. , Cluj-Napoca 37 : 113
Authors:Mughal Qayum, Muhammad Nisar, Abdur Rauf, Imran Khan, Waqar Ahmad Kaleem, Muslim Raza, Nasiara Karim, Munawar Ahmad Saleem, Saud Bawazeer, Sengul Uysal, Gokhan Zengin, Saqib Jahan, and Mohamed Fawzy Ramadan
successively extracted with n -hexane, chloroform, ethyl acetate, and finally with water. The chloroform soluble fraction was subjected to normal phase column chromatography using silica gel 60 (0.062–0.200 mm; Merch) resulting in the isolation of three
Authors:Cheimâa Bouchekouk, Fatima Zohra Kara, Ghania Tail, Fairouz Saidi, and Tarek Benabdelkader
with the mass selective detector of an Agilent HP 5973 mass spectrometer operating in electron ionization mode. A DB-5 fused silica capillary column (30 m x 0.25 mm, film thickness 0.25 μm) was used, and the chromatography conditions were as follows
, 1807 – 1816 .
Carvalho , S. P. , Moraes , J. C. and Carvalho , J. G. ( 1999 ): Silica effect on the resistance of Sorghum bicolor (L.) Moench to the greenbug Schizaphis graminum (Rond.) (Homoptera: Aphididae) . An. Soc. Entomol. Bras