Sentence examples for the second precipitation from inspiring English sources

In difficult cases it may be necessary to isolate an impure precipitate, redissolve it, and reprecipitate it; most of the interfering substances are removed in the original solution, and the second precipitation is performed in their absence.

Irrelevant IgG was used as control in the second precipitation to monitor non-specific interactions.

The cell extracts were subjected to double-ammonium sulfate fractionation (35 and 75% saturation) and the supernatant from the second precipitation was loaded onto a phosphocellulose (P-11) column.

The second precipitation was performed with isopropanol Sigma, catalog number 19516 (St . Louis MO, US)) and glycogen to pellet all DNA in the supernatant.

The second precipitation was performed with 20 μL 1 M NaCl/550 μL 96% ethanol for 20 min at -80°C, followed by centrifugation (10 min 14000 rpm) and washing (500 μL 80% ethanol).

Brisk vegetation growth is generated by the first precipitation of the rainy season.

A brief downpour provided the first precipitation on the ground for three months.

Thus, the first precipitation droplet to fall through dry air is likely to show kinetic isotopic enrichment.

To our best knowledge, the present work reports on the first precipitation of these NPs inside a bulk silica optical preform.

In fact, interestingly, SEC-TDA showed that within the highest molecular weight peak (1st peak) obtained after the first precipitation step with ethanol, a 10% larger subpopulation of molecules with a Mw above 2000 kDa was found, compared to that observed in the absence of phosphatidylcholine (Table 2).

The failures were so obvious and fundamental that I daresay Atlanta's "#SnowJam2014" will become a Crisis 101 case study on what not to do. 1. Deploy equipment in advance to pre-treat the roads at the first precipitation, before the mass exit began.