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Diane Arbus photograph, Identical Twins, Roselle, New Jersey, 1967. Identical Twins, Roselle, New Jersey, 1967 is a noted photograph by photographer Diane Arbus from the United States. Since its debut Identical twins, Roselle, N. J., has become the image most closely associated with her large body of work. The photograph was chosen as the cover ...
Later in late 1970s studies indicated that the (R)- enantiomer is an effective sedative, the (S)-enantiomer harbors teratogenic effect and causes fetal abnormalities. [ 53 ] [ 54 ] [ 55 ] Later studies established that under biological conditions the ( R) -thalidomide, good partner, undergoes an in vivo metabolic inversion to the ( S ...
If molecules have a greater affinity for the opposite enantiomer than for the same enantiomer, the substance forms a single crystalline phase in which the two enantiomers are present in an ordered 1:1 ratio in the elementary cell. Adding a small amount of one enantiomer to the racemic compound decreases the melting point.
The 'Cooperstown 5 + 1 cocktail', [2] in addition to the four drug probes mentioned above, incorporates warfarin as well. Warfarin (actually the S-warfarin enantiomer) is a specific probe for CYP2C9. The '+ 1' refers to the vitamin K that is given together with the warfarin to prevent any anticoagulant effect.
Image credits: anothermegan #3. Me and my twin are complete opposites. I have a pixie cut and she has long hair. I am a musician and she is a mathematician. I am gay and she is straight.
Identical twins Marielle and Mireille Landry met their birth mother by chance at a photo booth at the mall. It led to an amazing relationship. Twins were placed for adoption.
There are three common naming conventions for specifying one of the two enantiomers (the absolute configuration) of a given chiral molecule: the R/S system is based on the geometry of the molecule; the (+)- and (−)- system (also written using the obsolete equivalents d- and l-) is based on its optical rotation properties; and the D/L system is based on the molecule's relationship to ...
The 8-year-old identical twins from Los Angeles have quickly amassed quite the internet following -- over 1.5 million on Instagram, to be exact! -- thanks to their gorgeous looks.