A cancellation circuit to remove the anti-resonance signal from a resonator. A bore is drilled through a frame encasing an insulating glass unit to expose the peripheral spacer of the unit, and a hole is drilled through a wall of the spacer to enable air to enter the space between the panes. Unlike the parental variety, the new variety forms attractive yellow-orange foliage. Thrombopoietin, at low dosage, significantly stimulates the proliferation of CB f-M\u03a6, wherein the TPO-expanded CB f-M\u03a6 retain their pluripotent differentiation potential.