Related Experiment Video
Updated: May 9, 2026
10:54
Optimization of Radiochemical Reactions using Droplet Arrays
Published on: February 12, 2021
Simplified programming and control of automated radiosynthesizers through unit operations
Shane B Claggett1, Kevin M Quinn, Mark Lazari
1Crump Institute for Molecular Imaging and Department of Molecular and Medical Pharmacology David Geffen School of Medicine, University of California Los Angeles, Building 114, 570 Westwood Plaza, Los Angeles 90095, CA, USA. mvandam@mednet.ucla.edu.
EJNMMI Research
|July 17, 2013
Summary
We developed intuitive software for automated radiosynthesizer control, simplifying PET probe production. This new system significantly reduces programming complexity and learning time for radiochemists.
Area of Science:
- Radiochemistry
- Nuclear Medicine
- Software Engineering
Background:
- Automated radiosynthesizers for PET probe production often have complex programming interfaces.
- Current systems require lengthy, non-intuitive sequences of hardware operations, increasing complexity for radiochemists.
Purpose of the Study:
- To develop an intuitive and user-friendly software interface for radiochemistry on the ELIXYS radiosynthesizer.
- To simplify the creation of custom synthesis programs for PET probes.
Main Methods:
- Consulted radiochemists and analyzed radiosyntheses to define basic chemistry unit operations.
- Developed a client-server software control system with a flexible, multi-touch compatible client interface.
- Utilized the software to program the synthesis of several 18F-labeled PET probes, including [18F]FDG.
Main Results:
- Successfully synthesized multiple 18F-labeled PET probes with comparable yields and synthesis times to literature.
- Resulting programs were significantly shorter and easier to debug than those from other systems.
- Naive users with no prior experience created and ran a simple protocol within hours, demonstrating a short learning curve.
- Client-server architecture ensured reliability and allowed for simultaneous control and observation.
Conclusions:
- Developed a novel unit operation-based software interface for automated radiosynthesizers.
- The software reduces program length, complexity, and learning curve for PET probe synthesis.
- The client-server architecture offers robustness and flexibility in radiochemistry workflows.
Related Concept Videos
01:23Design Example
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
01:17Design Example: Vintage Mixing Console
A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
01:10Control Systems
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...
At the heart...
01:25Control Systems: Applications
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The direction...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The direction...
01:22Basic Operations on Signals
Basic signal operations include time reversal, time scaling, time shifting, and amplitude transformations. These operations are fundamental in signal processing and analysis.
Time Reversal mirrors a continuous-time signal about the vertical axis at t=0. This is achieved by substituting t with −t. For example, if a signal x(t) is considered, the time-reversed signal is x(−t). This operation can be graphically represented, showing the mirrored signal.
Time Reversal mirrors a continuous-time signal about the vertical axis at t=0. This is achieved by substituting t with −t. For example, if a signal x(t) is considered, the time-reversed signal is x(−t). This operation can be graphically represented, showing the mirrored signal.
01:23Operon Model
The operon model represents a fundamental mechanism of gene regulation in prokaryotes, enabling coordinated expression of genes involved in related metabolic or functional pathways. Operons consist of structural genes, a promoter, and an operator, with transcription regulated by repressors, activators, and small effector molecules.Structure and Function of OperonsAn operon is a cluster of structural genes transcribed together under the control of a single promoter. The promoter region...