Department of Chemistry, Capital Normal University, Hai-Dian District, Beijing 100048, China Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of ...

Spectrum is offering a streaming-only subscription to the Dodgers’ television channel for $29.99 per month or $199.99 per year, the company announced Monday. The service will be in place when ...

The Bloomin8 uses Spectra 6 color e-paper display and comes in three size options. The entry-level picture frame has a 7.3-inch Spectra 6 panel. This makes it suitable for personal use and can be ...

Credit: SpaceNews/Jeff Foust WASHINGTON — The new head of the Federal Communications Commission’s space division says his focus will be licensing reform and spectrum access. In a speech at the ...

1 H NMR spectra were recorded on Bruker 400 MHz spectrometer ... Stir at room temperature for 1 h, and detect the reaction by TLC. The developing agent is ethyl acetate: methanol = 1:1–4:1 (v/v).

In conclusion, although the potency of many of the isoxazole derivatives was less active than the positive control, anti T. cruzi activity was significantly improved by the inclusion of fluorine group ...

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From the roots, stems and fruits of Simarouba versicolor (Simaroubaceae) were isolated quassinoids (3, 5-7), triterpenoids (8-14), a mixture of steroids (15-17), the flavonoid kaempferol (18) and the ...

The hexane fraction was loaded on a silica gel column (6 × 40 cm) equilibrated with chloroform/ethyl acetate (19:1, v/v) and partitioned. Using a preparative recycling high-performance liquid ...