I am currently looking for some ELISA kits for protein markers (PSD95, Synaptophysin, GLuN1, GluA2, Dopamine receptor 1, dopamine receptor 2, Tyrosine hydroxylase, Dopamine transporter) that specifically expressed in the brain. I am using guinea pigs as a model of research. Please let me know if you have these or used before and from which company. Thanks.