Browsing Science (Faculty of) by Author "Ip, Alexander C-F."
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Degradable starch nanoparticle assisted ethanol precipitation of DNA
Ip, Alexander C-F.; Tsai, Tsung Hao; Khimji, Imran; Huang, Po-Jung Jimmy; Liu, Juewen (Elsevier, 2014-04-18)Precipitation of DNA from a large volume of aqueous solution is an important step in many molecular biology and analytical chemistry experiments. Currently, this is mainly achieved by ethanol precipitation, where a long-term ... -
Interactions between DNA and starch nanoparticles: adsorption and covalent attachment
Ip, Alexander C-F. (University of Waterloo, 2013-08-07)Biopolymers have been recently received more and more attention as a renewable substitute for traditional petroleum-based materials. Products made from petroleum-based materials typically cannot be recovered, with long ... -
Orthogonal Adsorption Onto Nano-Graphene Oxide Using Different Intermolecular Forces for Multiplexed Delivery
Wang, Feng; Liu, Biwu; Ip, Alexander C-F.; Liu, Juewen (Wiley, 2013-05-31)Nano-graphene oxide can adsorb both doxorubicin and zwitterionic dioleoyl-sn-glycero-3-phosphocholine (DOPC) liposomes in an orthogonal and non-competing manner with high capacities based on different surface and intermolecular ... -
Oxidation Level-Dependent Zwitterionic Liposome Adsorption and Rupture by Graphene-based Materials and Light-Induced Content Release
Ip, Alexander C-F.; Liu, Biwu; Huang, Po-Jung Jimmy; Liu, Juewen (Wiley, 2013-04-08)Liposomes may be stably adsorbed or ruptured on graphene-based materials, depending on the oxidation state of graphene. IR-induced liposome leakage is achieved, since graphene oxide does not induce liposome leakage spontaneously. -
Parts-per-Million of Polyethylene Glycol as a Non-Interfering Blocking Agent for Homogeneous Biosensor Development
Liu, Biwu; Huang, Po-Jung Jimmy; Zhang, Xu; Wang, Feng; Pautler, Rachel; Ip, Alexander C-F.; Liu, Juewen (American Chemical Society, 2013-11-05)Many homogeneous assays are complicated by the adsorption of probe molecules by the surface of reaction vessels, which are often made of polypropylene or polystyrene-based plastics. To solve this problem, many protein and ...