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Background and ObjectiveNon‐ablative fractional lasers have been used in skin rejuvenation procedures with some success. In general, the optimum area coverage and depths of the fractional thermal injury zones depend on the specific indications of interest. For all fractional devices, depth is adjusted with energy that also determines the coagulation area at the dermal/epidermal junction. Micro‐beams...
Convenient approaches were described to incorporate -OP(=O)O - -SS-O - (O=)PO- bridges in hairpin-shaped DNA duplexes instead of regular phosphodiester linkages: (i) H 2 O 2 - or 2,2'-dipyridyldisulfide-mediated coupling of 3'- and 5'-thiophosphorylated oligonucleotides on complementary template and (ii) more selective template-guided autoligation of a preactivated...
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