By using substituted chalcones as a linker, Rashmi Gaur et al. synthesized a series of artemisinin-derived dimers with considerable anti-leukemia activity [76].
Australia had been irritated throughout the series by England's habit of using substitute fielders, apparently to give their bowlers a rest after a long spell; it was a legitimate complaint – England clearly bent the rules – but in this case Jones was genuinely injured.
But on the eve of the Beijing Games, Soboleva and six other Russian women were suspended by the I.A.A.F. and accused of using substitute urine in drug screenings.
By using (32), substituting (52) into (51) and (50) into (49), the asymptotic covariance and relation under H i, i=0,1 can be respectively expressed as in (41).
DSSC device fabricated by using methoxy substituted dye (BI5a) as a sensitizer shows much better incident photon-to-current conversion efficiency (IPCE) of 64% giving cell efficiency of 2.68%.
Take this 1930 ad for General Electric's Mazda light bulbs: "Why take the chance of getting 30% less for your money and of cheating your eyesight by using inferior substitutes?" GE bulbs weren't cheaper but they were worth the premium.
Nevertheless, it may be possible that the system could be engineered to slow or remove the diphenyl sulfide termination step, for example by using a substituted diaryl sulfoxide.
Therefore, benzylamine was added to form ring-opened syn-2,3-THF 32 in 70%% yield with excellent levels of diastereoselectivity (98 2 d.r. syn / anti ) and enantioselectivity (99%% ee syn).[ 19] The scope of this process was then investigated by using various substituted linear enone acids.
Eat healthiest by using dairy substitutes such as almond milk and tofu-based sour cream and cream cheese.
If your body is craving something sweet even after you have gradually reduced the amount of sugar in your diet, you may be able to trick your body by using sugar substitutes in lieu of real sugar, although this is considered effective only as a short-term strategy because ultimately your body needs to get used to simply having less sweet food.
