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Synthetic Biology02:55

Synthetic Biology

4.9K
Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
4.9K
PD Controller: Design01:26

PD Controller: Design

318
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
318
PI Controller: Design01:24

PI Controller: Design

425
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
425
Open and closed-loop control systems01:17

Open and closed-loop control systems

912
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
912
Control Systems01:10

Control Systems

1.3K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
1.3K
Controller Configurations01:22

Controller Configurations

140
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
140

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Updated: Aug 22, 2025

Automated Robotic Liquid Handling Assembly of Modular DNA Devices
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Synthetic biology by controller design.

Carlos Barajas1, Domitilla Del Vecchio1

  • 1Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.

Current Opinion in Biotechnology
|November 7, 2022
PubMed
Summary
This summary is machine-generated.

Synthetic biology engineers genetic circuits for biotechnology. This review tracks control systems design from understanding natural regulation to creating robust synthetic systems for diverse applications.

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Area of Science:

  • Synthetic biology
  • Biomolecular engineering
  • Systems biology

Background:

  • Natural biological systems exhibit intricate regulatory mechanisms.
  • Synthetic biomolecular systems serve as tools to decipher these natural regulations.
  • Engineering biomolecular systems holds significant promise for biotechnology.

Purpose of the Study:

  • To review the evolution of control systems design in synthetic biology.
  • To trace the progression from understanding natural regulatory motifs to engineering robust genetic circuits.
  • To highlight the potential of synthetic biology for future biotechnology applications.

Main Methods:

  • Review of literature on control systems in synthetic biology.
  • Analysis of the transition from studying natural systems to designing synthetic ones.
  • Examination of the development of genetic circuits for practical applications.

Main Results:

  • Synthetic biology has advanced from analyzing natural systems to designing functional genetic circuits.
  • The field has progressed towards creating robust biomolecular systems for biotechnology.
  • Control systems design has become a cornerstone of synthetic biology.

Conclusions:

  • Synthetic biology has matured in its ability to engineer complex genetic circuits.
  • The design principles derived from natural systems are increasingly applied to biotechnology.
  • Robustness in genetic circuit design is crucial for successful synthetic biology applications.