NNano Letters4/24/2026

Synergistic Fluid Minilaboratory Incorporating Femtosecond Laser-Engineered Heterogeneous Dual-Component

Miniaturized laboratories (mini-lab) centered on droplet/bubble-based microreactions hold immense promise for various applications. Magnetic excitation is widely utilized in open-surface minilaboratories, but the intrinsic properties of magnetic media limit mini-lab functionalization. Here we propose a mini-lab assembled from two femtosecond laser-engineered heterogeneous components, leveraging synergistic effects to extend functionality in droplet/bubble-based mini laboratories. The system comp