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Results showed that over the concentration range of 6-16 mM, Me2SnCl2 is a chemical denaturant and denatures the double-strand DNA in a three-state manner.
      
Oxygen uptake by photobacteria was shown to be insensitive to chlorophenols, at least within the concentration range that was effective in bioluminescence inhibition.
      
The dependence of cell respiratory activity on the amount ofn-hexadecane within the concentration range of 0.03-0.66% was determined.
      
The microbial 1,3-β-1,6-β-glucan suppressed the defense response over a narrow concentration range (10-2M), whereas the plant pentasaccharide had a broad range of effective concentrations (10-12to 10-6M).
      
The method allows the determination of tungsten in protein samples in the concentration range of 0.05 to 0.4 μg/ml.
      
The calibration curve for Triton X-100 recorded at 350 nm is linear in the concentration range of 0 to 30 μg/ml.
      
The assay allows detection of methanol in the concentration range of tens of ppm in the presence of tens of percent of ethanol.
      
The dependence is linear in the RNase concentration range 2000-4 ng/ml (threshold concentration, 2 ng/ml).
      
We studied the effect of arachidonic acid metabolism inhibitors in a wide concentration range on the proliferation and death of lympholeukemia cells P-388.
      
The glycine in the concentration range 10-7-10-4M activates the enzyme.
      
The strychnine in the concentration range 5-90 μM activates the basal Mg2+-ATPase but decreases the effect of the enzyme activation by 10-4M glycine.
      
The effect of cadmium on clapsinng-leaved pondweed (Potamogeton perfoliatus L.) within the concentration range of 1-1000 μM was studied.
      
Both defensins proved active in the concentration range of 0.0001 to 1 nM and efficiently decreased the impulse frequency in the afferent nerve fibers in a concentration-dependent manner.
      
Gentamicin also had an inhibitory effect on the afferent discharge in the concentration range of 10-500 μM (0.5-25 mg/kg).
      
It was found that this inhibitor in a micromolar concentration range (2-20 μM) induced in a dose-dependent manner H2O2 generation by human neutrophils and the release of lysozyme from the cells.
      
However, the manifestation of this activity varies over the studied concentration range of the complex in the preincubation medium (10-12-10-4 M), so the effects appear to be concentration-dependent.
      
We observed that hydrolysis of B-chain of insulin was totally inhibited by pepstatin A in the micromolar concentration range.
      
The selective, filtration, and electrokinetic properties of an OPMN-KMZ nanofiltration membrane are studied with respect to the aqueous solutions of the chlorides of alkali metals and ammonium within a concentration range from 10-4 to 10-1 mol/l.
      
Experimental results in the 0-50% concentration range are described by the corresponding polynomials, and their extrapolation to zero concentration leads to the same value n = 0.52 g/g.
      
The highest coagulation rate is observed in a certain concentration range of the cationic surfactants.
      
 

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