โ Scribed by Etienne Lebel; Leonard Rosenthall
No coin nor oath required. For personal study only.
Letter to the editor
Sir, As the organizers of the Vth Congress of Nuclear Medicine and Biology, we are responsible for the associated printed materials. We apologize for the inadvertent misidentification of some of the conference delegates from China. Unfortunately, until you drew it to our attention, we were not aware that a mutual agreement on the identification of Chinese delegates and publications was arrived at in 1982. We adhere to the principles of that agreement as outlined in Prof. Shin Chen Wang's letters of
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Polyelectrolyte complexes are ionic hydrogels formed by the coreaction of two oppositely charged, strongly ionized polyelectrolytes. While insoluble in simple solvents and infusible, these polymers can be fabricated into membranes, fibers, and other shaped articles by casting from ternary solvents.