1. 
   TSQ
   6-Methoxy-(8-``p``-toluenesulfonamido)quinoline (TSQ) is one of the most efficient fluorescent stains for zinc(II). It was introduced by Russian biochemists Toroptsev and Eshchenko in the early 1970s. The popularity of TSQ as physiological stain rose after seminal works by Christopher Frederickson ...
   Found op http://en.wikipedia.org/wiki/TSQ
   
   
2. 
   TSQ
   Time Super-Quick
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   tsq
   1) Time super-quick
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/tsq/1
   
   

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