DNA Synthesis in a Closed Loop Control System

A closed control loop system ensures precise acquisition of A, T, C, or G volumes for DNA synthesis. Users input a definite volumes through a software, which directs a microcontroller. This controls high-accuracy syringe pumps to draw specified base volumes. A volume sensor verifies the actual amount drawn, providing feedback for adjustment. If discrepancies occur, an error signal prompts the controller to recalibrate the actuators. This system ensures reliability and can extend to temperature and pH control using appropriate sensors. Time to achieve steady output can be optimized using a PID controller, enhancing response times. Read more ...Garg, R. , Vyas, A. , Khan, A. , Tariq, M. (2024), 'Codes beyond Bits and Bytes: A Blueprint for Artificial Life', World Academy of Science, Engineering and Technology, Open Science Index 213, International Journal of Biotechnology and Bioengineering, 18(9), 114 - 126.

本闭环控制系统可精准获取DNA合成所需的腺嘌呤（A）、胸腺嘧啶（T）、胞嘧啶（C）及鸟嘌呤（G）试剂体积。用户可通过配套软件输入预设试剂体积，软件将控制指令下发至微控制器，微控制器进一步操控高精度注射泵抽取指定的碱基试剂体积。体积传感器将对实际抽取的试剂体积进行校验，并向系统反馈调整依据；若实际体积与预设值存在偏差，错误信号将触发控制器重新校准执行器。该系统具备可靠运行性能，还可通过加装适配传感器拓展至温度与pH值控制场景。采用比例-积分-微分（Proportional-Integral-Derivative, PID）控制器可优化稳态输出的建立时长，进一步提升系统响应速度。更多内容详见：Garg, R.、Vyas, A.、Khan, A.、Tariq, M. (2024), 'Codes beyond Bits and Bytes: A Blueprint for Artificial Life', World Academy of Science, Engineering and Technology, Open Science Index 213, International Journal of Biotechnology and Bioengineering, 18(9), 114–126.