Fabrication of microfluidic paper-based analytical by the laser printer
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Abstract
Microfluidic paper-based analytical devices (μPAD) have provided a breakthrough in rapid sample and field analysis. The first time, the CF279A toner ink was used to fabricate μPAD by laser-printer to expand the scope as well as provided evidence into research on the fabrication of laser printed μPAD. This paper used 102 filter paper, after printing on paper with laser printing, the mold was heated in an oven at a temperature of 150ºC to form hydrophilic and hydrophobic channels. The fabricated μPAD devices have hydrophobic and hydrophilic channel widths of 1.0 nm and 0.4 mm or more, respectively. Comprare with some research using other methods such as stamping. Screen printing gives a higher resolution.
Tóm tắt
Thiết bị vi lỏng trên nền giấy (μPAD) mang lại bước đột phá trong phân tích mẫu nhanh và phân tích tại hiện trường. Đây là lần đầu tiên có nghiên cứu sử dụng loại mực CF279A trong chế tạo thiết bị μPAD, điều này giúp mở rộng phạm vi cũng như cung cấp các bằng chứng vào số lượng ít các nghiên cứu chế tạo thiết bị μPAD bằng máy in laser. Giấy lọc 102 được sử dụng, sau khi in bằng máy in laser, khuôn sẽ được gia nhiệt ở tủ sấy với nhiệt độ 150ºC để hình thành các vùng ưa nước và kỵ nước. Thiết bị μPAD chế tạo có độ rộng kênh kỵ nước và ưa nước lần lượt là 1,0 mm và 0,4 mm trở lên. So với một số nghiên cứu bằng các phương pháp khác như in đóng dấu, in bàn thủ công cho độ phân giải cao hơn
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