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Primary trophoblasts, isolated from excised placentas as described below, were plated in 8-well chamber slides (Lab-Tek, Rochester, NY) and fixed in 4% PFA for 10 min
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The guideline emphasizes that the impact of input material attributes and their variability on continuous processing and product quality should be assessed and proposed material attribute acceptable ranges should be justified. This means that for nanomaterials, relying solely on traditional chemical purity standards is far from sufficient
The synthetic alternatives have the sequence of amino acids reversed and the alpha chirality changed[2]
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