نتایج جستجو برای: dope dotap
تعداد نتایج: 909 فیلتر نتایج به سال:
Step 1 Extraction One of two methods can be used. In solid phase extraction the sample is put on a plate coated with a substance that organic compounds (such as drugs) do not adhere to, but to which other compounds in the sample do, and then the organics washed off with a suitable solvent. In liquid-liquid extraction an organic solvent is mixed with the sample, the organic compounds migrate to ...
Construction of spherical liposomes is critical for developing tools for targeted gene and drug delivery applications in biotechnology and medicine, however, it has been demonstrated only in solution phase until now. Spherical liposome tethering on pristine thiol monolayer on gold transducer and its application to label free DNA sensing and transfection has rarely been reported. Here, we report...
It has been previously shown that transfection activity of cationic liposome/DNA lipoplexes delivered systemically is drastically inhibited by lipoproteins (Tandia, B. M., Vandenbranden, M., Wattiez, R., Lakhdar, Z., Ruysschaert, J. M., and Elouahabi, A. (2003) Mol Ther. 8, 264-273). In this work, we have compared the binding/uptake and transfection activities of DOTAP (N-[1-(2,3-dioleoyloxy)pr...
The recent discovery of a distorted hexagonal phase in 1,2-dioleoyl-sn-glycero-3-phosphatidylethanolamine/1,2-dioleoyl-sn-glycero-3-phosphatidylcholine (DOPE/DOPC) mixtures raised the intriguing question as to whether lipid mixtures demix in a bent monolayer. We performed neutron diffraction on a mixture of headgroup deuterated DOPC-d(13) and nondeuterated DOPE to study the lipid distribution i...
Background: The last two decades witnessed the spread of the first generation of influenza viruses. Influenza virosomes are promising tools in vaccine and immunotherapy programs because of their applications in various medical fields. The aim of the present study was to construct cationic virosomes derived from influenza virus using dialyzable detergent (DCPC) and cationic lipid (DOTAP) in vit...
The current methods for treatment of cancers are inadequate and more specific methods such as gene therapy are in progress. Among different vehicles, cationic liposomes are frequently used for delivery of genetic material. This investigation aims to prepare and optimize DOTAP cationic liposomes containing an antisense oligonuclotide (AsODN) against protein kinase C alpha in non-small cells lung...
BACKGROUND In British Columbia, Canada, methadone maintenance treatment formulation transitioned from the oral liquid compound Tang™-flavoured methadone to the ten-times more concentrated cherry-flavoured Methadose™ in February 2014. We quantitatively describe perceptions and reported consequences among a sample of patients on methadone maintenance treatment following this transition. METHODS...
Flash photolysis studies have shown that the membrane lipid environment strongly influences the ability of rhodopsin to form the key metarhodopsin II intermediate. Here we have used plasmon-waveguide resonance (PWR) spectroscopy, an optical method sensitive to both mass and conformation, to probe the effects of lipid composition on conformational changes of rhodopsin induced by light and due to...
So long as a ban is enforceable, large private athletic institutions—such as Major League Baseball and the National Collegiate Athletic Association—should not allow their athletes to take performance-enhancing drugs.The argument I present is game-theoretic: though each athlete prefers unilateral permission to dope over a universal ban, he also prefers a universal ban over universal permission t...
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