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PolyA RNA was subsequently concentrated by ammonium acetate ethanol precipitation and concentrations were determined using the Qubit fluorometer (Invitrogen, Carlsbad, CA) and the Quant-iT RNA Assay Kit (Invitrogen, cat#Q33140).
The Kozan Fault Zone initially occupied a wide zone of distributed strike-slip translation in the Early Pliocene, but was subsequently concentrated into a narrowly focused strike-slip fault zone in the Late Pliocene and Quaternary.
The virus stock was subsequently concentrated and purified by ultracentrifugation (228 000 g, 2 h, 4°C).
The filtered supernatant was subsequently concentrated using 3 kDa cut-off filters (Merck Millipore, Billerica, MA).
The paddle chimera-β2 complex thus purified was subsequently concentrated to 8 9 mg/ml (Centricon-100; Millipore, Billerica, MA).
M13 was subsequently concentrated approximately tenfold by utilizing the ATPMS, which led to a tenfold improvement in the LFA detection limit to 5 × 10 pfu/mL.
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The fractions containing proteins (MBP-ΔN597 or MBP-ΔNCP69) were confirmed by SDS PAGE, and were subsequently concentrated using 10 kDa MWCO Vivaspin Sample Concentrators (Sartorius Stedim Biotech).
Purified DBLs were subsequently concentrated by means of Macro- and Micro-sep concentrators.
S1 and F1-F10 were subsequently concentrated to ∼20 ul using a speed-vac (Savant), and analyzed for protease activity by gliadin zymography.
The samples were subsequently concentrated using Ultrafree-0.5 (5-kDa cut-off) centrifugal filter devices (Millipore, Billerica, MA, USA) and final protein concentrations were determined from the absorbance at 280 nm by using sequence-derived extinction coefficients.
Viruses were subsequently concentrated from conditioned media harvested 48 and 72 h after transfection by ultracentrifugation at 25,000 rpm in a Beckman SW28 swinging bucket rotor.
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