Flooring Tile - Laying ceramics on basement flooring

Just bought a new house and am finishing the basement floor.
I have put down plastic sheeting, then nailed 1x3's into concrete. Then nailed 3/4" sheets of aspenite (particle board) into concrete, also, using 3" gripcon nails. ( to install them I hand to drill into the concrete first).
I them used a trowel to apply glue over the floor then laid a second sheet of aspenite. I put screws every 8 inches or so. The floor is pretty sturdy.
Here is my concern. I now want to put down ceramics. I don't really want to lay another layer of 3/8 plywood. I was told that installing ceramics on a aspenite floor is no good because it would lift in a short time. Would it help if I applied a few coats of sealer? What else can I do. AT this point, I am trying to keep my costs down...I looked at the new orange underlay material, but that is just way too expensive....any thoughts?
thanx

I don't like untreated wood so close to concrete, even over plastic. And particle board is a poor choice for underlayment, anywhere. You could have laid ceramic tiles directly on the concrete using thinset. If you still want tile, add a 1/4 layer of hardibacker or duroc, glued, screwed down. Don't try to install tile on the particle board.

you want to make sure that you lay tile on a flat solid surface, that wont warp bend or move, even if moisture affects it. Tyler is right laying the tile directly on the concrete would have been a better bet

Oh my. Don't know where to begin besides ripping all that out if you want tile.