Exact(1)
Some require much higher concentration whereas very low concentration of Ciprofloxacin, normally used in very purified form, was needed to inhibit the growth of S. typhi when compared to the artemisinin and precursor (90 μg/mL) derived from the tissue cultured plantlets of A. annua used in this study.
Similar(59)
Nanotubes are also still very expensive; purified ones cost about $250,000 a pound.
Only very few purified isoenzymes were accessible so far and their substrate specificities and enzymatic properties are poorly characterized.
Compared to the data available for whole cell preparations, only very few purified sulfatase enzymes have been characterised with respect to their substrate tolerance towards alkyl sulfates (Table 3).
Although nuclei can be very efficiently purified from cell lines and fresh tissue within one to two hours, such purification requires disassociation of cells, and washing by centrifugation, conditions that could modify signaling to the nucleus or allow leaching of chromatin-bound components, potentially altering nuclear structures.
"It's very cleansing, purifying, and puts things into perspective," said Ms. Bakoulis, who has run 13 marathons under 2 hours, 40 minutes, with a personal best of 2 hours, 33 minutes, 1 second.
Furthermore, we noticed that, whereas T7-tagged DHX34 binds very strongly to purified full-length FLAG-UPF1, it has only a very weak affinity for UPF2 and UPF3b.
It is commonly recommended in the field of protein crystallography that a protein solution be purified very thoroughly, in order to maximize chances of successful crystallization.
The heterotrimer is the main biological form of RPA (17, 18) and is very stable when purified (19).
Synthetic peptides including a very hydrophobic peptide were each purified to a very high purity level in a sec-butanol solvent system.
The efficiency of TP-214 is very high: if equilibrium is reached, the water can be purified to very high levels.
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