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Questions related from Evaline Tsai
I have tried several times to synthesize upconversion nanoparticles using a thermal decomposition method but have not yet been successful with my synthesis. I dissolve lanthanide oxides in 50%...
11 February 2017 3,054 2 View
I am trying to dissolve 25kD branched PEI (0.4 g) in water (10 mL). So far I have been magnetically stirring at room temperature until the solution is clear. Is this sufficient? I saw on other...
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I am using DMSO as a solvent while coating nanoparticles with PEI. I maintain the solution at 95 C for 6 h, and after a few hours I notice that the solution turns from clear to brown. The reaction...
17 May 2016 9,335 4 View
I am looking at synthesis methods for upconversion nanoparticles. In some journal articles I've read, the authors mention the use of a vacuum to remove water and oxygen during the synthesis...
07 December 2015 5,451 11 View
In the book The Manipulation of Air-Sensitive Compounds by D.F. Shriver and M.A. Drezdzon, they give a inert atmosphere setup (figure attached) where inert gas flows from one inlet through the...
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I'm interested in directing as much light as possible from the LED into the SMA-terminated optical fibre. What sort of adaptor or bushing would I need to be able to connect the LED to the fibre? I...
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