professor thomas brownback is researching the effect of micro plastics on different fish can the particles permeate the intestinal wall of the zebra fish and reach our organs their digestive system is very similar to ours. obviously we're just as interested in how fish are affected by micro plastic particles in the outside world in rivers lakes and other bodies of water in the back of our minds there's always the hope of learning something about the potential affair. it's on humans. but on back adds a fluorescent substance to the micro plastic then he feeds it to small cross stations that fish feed on micro plastics research is still in its infancy and the vast array of variables is a headache variables such as the multitude of different types of plastic. plastic. like this has different properties to a micro plate like this. which is very firm but also totally clear totally transparent. so we can expect their plastic particles to cause different effects. if they. would have been that means generalisations about micro plastics are commonplace when the issue 1st arose are not really legitim