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Pattern formation using PEG-IPTG hydrogels. (A) Pattern formed using PEG-IPTG and PEG, all with CHO cells stably transfected with LTRi_EGFP. (B) 3 d after encapsulation. (C) 5 d after encapsulation. (D) 9 d after encapsulation. (E) 12 d after encapsulation. (F) 16 d after encapsulation.
