3D Printing - Evaluating Particle Emissions of a 3D Printing Pen
October 9th, 2020
This protocol presents a method to analyze the emission of 3D printing pens. Particle concentration and particle size distribution of the released particle is measured. Released particles are further analyzed with transmission electron microscopy (TEM). Metal content in filaments is quantified by inductively coupled plasma mass spectrometry (ICP-MS).
Overview
This protocol outlines a method for analyzing the emissions from 3D printing pens, focusing on particle concentration and size distribution. The study employs transmission electron microscopy (TEM) and inductively coupled plasma mass spectrometry (ICP-MS) for detailed analysis.
Key Study Components
Area of Science
- Environmental health
- Material science
- Aerosol characterization
Background
- 3D printing pens can emit particles and volatile substances.
- Understanding these emissions is crucial for user safety and environmental impact.
- Existing methods for analyzing emissions are often complex and costly.
- This study presents a simplified and cost-effective approach.
Purpose of Study
- To develop a method for characterizing aerosol emissions from 3D printing pens.
- To quantify metal content in filaments using ICP-MS.
- To compare particle emissions from different filament materials.
Methods Used
- Setup of a desiccator for aerosol collection.
- Use of CPC and SMPS for measuring particle concentration and size distribution.
- Sample preparation for ICP-MS analysis.
- Transmission electron microscopy for imaging particle sizes.
Main Results
- Higher particle emissions were observed when printing with ABS compared to PLA.
- Temperature increases during PLA printing led to higher particle concentrations.
- Particle sizes varied significantly between different filament types.
- ICP-MS analysis confirmed the presence of metals in the filaments.
Conclusions
- The developed method is effective for analyzing aerosol emissions from 3D printing pens.
- Findings highlight the differences in emissions based on filament material.
- This approach can be adapted for other aerosol sources and applications.
Frequently Asked Questions
Executive Industry Relevance
Understanding aerosol emissions from consumer 3D printing devices informs occupational and environmental health risk assessments relevant to consumer product safety evaluation. The method enables quantitative characterization of particulate matter released during material extrusion processes, supporting mechanistic de-risking in early-stage material formulation studies. Findings on filament-dependent emission profiles provide data for predictive modeling of user exposure potential in product development workflows.
Strategic Applications in Biopharma R&D
Early Discovery & Target Validation
- Scientific Value: Enables interrogation of material-emission relationships to support hypothesis testing on filament composition effects.
- Operational Value: Provides a low-cost, reproducible setup for screening emission profiles across material variants.
Screening & Assay Development
- Scientific Value: Generates quantitative particle number concentration and size distribution data for assay standardization.
- Operational Value: Facilitates high-throughput comparison of emission outputs under controlled temperature and filament conditions.
Translational & Preclinical Research
- Scientific Value: Supports translational biomarker alignment by linking filament additives (metals, CNTs) to measurable aerosol outputs.
- Operational Value: Enables risk-adjusted advancement decisions through standardized emission profiling of novel material systems.
Pipeline & Workflow Integration
The method fits within discovery biology workflows by providing emission data that informs material selection and formulation optimization prior to lead identification stages.
- Discovery Biology: Supports hypothesis testing on how filament additives influence particulate release during extrusion.
- Screening: Delivers reproducible particle concentration and size readouts for comparative material assessment.
- Analytics: Yields ICP-MS quantification of metal content and TEM-derived particle morphology for multi-parametric analysis.
- Translational Research: Connects emission profiles to potential user exposure metrics for safety-informed material advancement.
- Enterprise Reuse: Establishes a portable, cost-effective platform for aerosol characterization applicable across material science and consumer safety teams.
Operational & Enterprise Impact
- Scientific Value: Predictive confidence in material safety profiles through quantitative emission benchmarks.
- Operational Value: Standardized chamber-based setup ensures cross-lab reproducibility and scalability.
- Strategic Value: Informs go/no-go decisions on filament formulations by identifying high-emission risk candidates early.
- Portfolio Impact: Enables risk-adjusted prioritization of low-emission material systems for consumer-facing product development.
Implementation Considerations
- Requires expertise in aerosol measurement techniques and ICP-MS sample preparation.
- Needs access to CPC, SMPS, TEM, and ICP-MS instrumentation with associated consumables.
- Demands standardization of chamber conditions, filament loading, and temperature controls across users.
- Involves adaptation considerations for different filament diameters and emission source geometries.
- Limited by chamber size constraints for larger-scale emission simulation studies.
Biopharma FAQs
Chapters in this video
0:04
Introduction
0:37
Protocol Setup
1:23
3D Pen Aerosol Emission Measurement Setup
2:10
3D Pen Aerosol Emission Measurement
3:21
Metal Content Quantification
4:31
Results: Representative Particle Size and Geometric Mean Diameter Distribution and Sample Imaging
6:06
Conclusion
