Abstract: In some embodiments, the present teachings provide compositions, systems, methods and kits for reducing the complexity of nucleotide sequences in a nucleic acid sample comprising the steps: hybridizing a plurality of polynucleotide constructs to at least one blocker oligonucleotide and to at least one capture oligonucleotide, wherein the plurality of polynucleotide constructs include a plurality of polynucleotides each joined to at least one nucleic acid adaptor, wherein the at least one nucleic acid adaptor can hybridize to the at least one blocker oligonucleotide, and wherein the at least one capture oligonucleotide can hybridize to at least a portion of target polynucleotides that are a sub-population of the plurality of polynucleotides, so as to produce a capture duplex.

Abstract: The present invention provides a multi-functional catheter that can be used to irrigate a treatment site located within a body cavity, to suction waste materials from the treatment site, and to deliver a treatment composition in a generally uniform distribution pattern onto the treatment site. The present invention also provides a method to use this multi-functional catheter for various applications including medical applications (e.g., photodynamic therapy treatment of chronic recurrent sinusitis).

Abstract: Described herein are frozen populations of transfection ready competent eukaryotic cells, transfection kits comprising the frozen populations of transfection ready competent cells, and methods of using the same.

Abstract: Described herein are frozen populations of transfection ready competent eukaryotic cells, transfection kits comprising the frozen populations of transfection ready competent cells, and methods of using the same.