Hi Glenn from Texas University today my topic the bathrooms separation before I started my hobby I want simple question raise your hand if you don't care about our Earth's. No one great no I want to immigrate to Mars that's great what makes our earth so unique is the abundant presence of liquid water but each year due to the catastrophic disaster like peers like explosion of chemical plants the released oil Prudence can cause a huge damage on the fish water bird and local community is the key to solve this challenge it's called oil water separation. Or water separation can also from many occasion such as So fuel purification and the enhanced oil recovery so here I would like to introduce three types of separating memory developing our group based on with ability control. So all hold will separate oil in the water oil or water they don't like each other they are you miserable fruits but imprisons off the fact and they can form very teeny tiny emotion drops which make the separation challenging so all our strategies based on control the with ability makes the surface super hydrophilic or super hydrophobic so the membrane can selectively allow one type of fluid to penetrate whereas we can separate the outer time. So the first example as we develop a very simple straightforward and cheap material so this is a few paper you use for the future action we called it we. Feel it called. Alcohol and course. Of course linking with we can form a very low post. Network structure and this structure can separate oil water very easily and this group this structure and all the be very robust can with different temperature so we need a Ph And also we studied sea flux through that because no I want a separation if you like NEC ninety nine point and I but it's only penetrate to draw power right so we want to see fifty member actually how high flux so we found generally speaking memory looks pretty good to have high flux on a given condition but. We do see a decrease in flux for it so all to give you or offer you an idea how these separation works so we have all year which was by that we've read and I and all the the water was die with metal it will come up so we just simply pulling this oil water mixture in prison the for there can we can actually see only the blue liquid which is the water penetrates without any of the overall oils and this proved the oil water separation East very easy and fast and also this can be achieved quite nicely. But sometimes single simply separating oil and water is not enough for you Mary mental occasion because with the water sometimes they can contain heavy metal ions they can contain like aromatic dice so by severing all your prudence the hydrophilic Bruton's were steered in the water face so what do we do commercially people use a multiple step like the first step is using a few tradition we can remove the oil prudence and the second people you the ops all then remove the. Heavy metal ions So we want to in can we into police to process in one type in the here or not considering both through a sense of this time to be kind of challenging because for the obvious which can remove all of the Middle. Of a solvent can easily fold or being damaged by the oil Prudence especially high risk or spoilers those oils can pull or active side of the of the other material which makes the separation more efficient. But luckily we did a lot of experiments and we found that by all polymer based up with organ which can be engineered into super already for B. So this material doesn't like oil the oil we're forming a high contango so you or later Experion we found. More than five membrane can be can be super all the full week so it doesn't like always saw oil we're not. Actually thought and more importantly we we found this membrane can remove we made alliance like a. Lead and some aromatic prudence and so we got the purify the water right so hard to tell of the water used biocompatible I asked my wife will know the water is clean because my wife got the mustard in environmental engineering Her answer is simple and straight for you know to drink it and tell you. I don't know what her otherwise or told her but my the wiser Jonathan he told me to not do that until you published in the paper. The other such a person we are told for Peter this event not drinking or consume any chemicals especially our sample in the in the lab so instead of I drew the water we used some beans growing in the purify the water and we found. Germination really very high almost one hundred percent in the purify water whereas if we treat the with water directly with the beans we found that only cumbersome the being were germinate we even compared our purify water with the water of the on ice the water and the growth rate is almost consistent with the water. We summarize our work here we give out on the curious that not only separate oil water but also can remove the hydrophilic pollutants. Let's take a break so why when I told my friend I will go to at the land that my friends say you should go to a quote This may be the best in the world so I said in this similar to my research OK So Can anyone guess what is this animal. Starfish yes does a star fish Khalid this one. Secret come up and other. OK so we're answer after these like finger human finger like in the water but this is actually another starfish. Where you caught a part of the stuff ish go under certain conditions this can go into another starfish this so-called stuff or here in the nature so why we study self healing because you whistle water sometimes it can contain very highly reactive chemicals like bleach you know people using chlorine chemicals in swimming pool when those highly reactive chemicals in with the water those chemicals can damage the pool Merica structure in the members so what we do do so we design a self healing membrane based on self stumbling of two D. Hardy excursions of memory after coding these products in the surface we can form your crystal face and we introduce of healing agent in the act and of course we are able to get us. I'm sorry. OK OK A lot of stuff. OK where are we so we are prepared in memory we first see so with ability we found this is super. For Big doesn't like water it can separate oil in water and it can pour in under different conditions but more importantly we want to see if we saw when we prepared the membrane we found these hydro forby the water drop which is forming high contango be some memory after damage with high highly reactive species the surface become. So the water was free so what fruit would put the member that is a long forty eight hours it will restore it to provide for its survival for busy after forty eight or so we get through one hundred forty memory and get and we can you into the intern so for healing for Mongo times. We try to understand these phenomena by post. So when the surface been damaged we form a group or some hide or Feeley group after a while are at the protective healing agent we're mined with on the surface to Tootie energy a surface energy so we can restore. The hydrophobic surface I don't this is not a very great example we found some similarity with human bone so feels like when the bomb is damaged the bombs elsewhere also migrate on the damaged part to post in cause and release some protein so. In summary we develop some type of memory which can control easily control of the surface chemistry. And to achieve different functionalities like low cost flight we can remove multiple prudence and self healing memories and in the future we would like to explore further we. You may want to using different substrate we want to explore the possibility to suite with ability on the surface and that and I want to give special sense to my otherwise or daughter and my colleague and also my wife was or she persuaded me to drink my son force. Some grandma and I work in a question.