The present invention is of methods of establishing and propagating human embryonic stem cell lines using feeder cells-free, xeno-free culture systems and stem cells which are capable of being maintained in an undifferentiated, pluripotent and proliferative state in culture which is free of xeno contaminants and feeder cells.

 
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< Polymeric compositions comprising quantum dots, optical devices comprising these compositions and methods for preparing same

> Method for fabricating white-light-emitting flip-chip diode having silicon quantum dots

> Fabrication of quantum dots embedded in three-dimensional photonic crystal lattice
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