Postdoc: Interferometric Nanoparticle Microscopy

AI Venture Studio; Gaithersburg (MD); On-site; USD 60,000 - 90,000; Full time

Job summary

Johns Hopkins University invites applications for a PREP Research Associate in the Microsystems and Nanotechnology Division. The role focuses on advancing interferometric optical microscopy for high-throughput nanoparticle characterization, including mass, size, concentration, and composition—especially for gene delivery nanoparticles.

The postdoc collaborates on instrument design, modeling, and data analysis within a multidisciplinary team.

Qualifications

• PhD in Physics, Optics, Biophysics, or related field.
• Completed PhD within last 5 years.
• Familiarity with optical models of particle light scatter or optical instruments.
• Familiarity with optical imaging and microscopy.
• Willingness to learn new theoretical, computational, and experimental techniques.
• Programming experience with Python, MATLAB, or similar.

Responsibilities

• Designing, improving, and using custom-built, laser-based light scattering microscopes for quantitative nanoparticle characterization.
• Building new optical models of gene delivery nanoparticles and interferometric microscopes.
• Conducting experimental investigations to validate instrument performance and characterize nanoparticle physical characteristics and heterogeneity.
• Collaborating with researchers to develop algorithms for data analysis and interpretation.
• Collaborating with researchers to evaluate the impact of particle heterogeneity on gene delivery efficacy.
• Publishing research in peer-reviewed journals and presenting at scientific conferences.

Skills

Python

MATLAB

Optical modeling

Education

PhD in Physics/Optics/Biophysics

Tools

Light-scattering microscope

Optical instruments

Job description

Johns Hopkins University invites applications for a PREP Research Associate in the Microsystems and Nanotechnology Division. The role focuses on advancing interferometric optical microscopy for high-throughput nanoparticle characterization, including mass, size, concentration, and composition—especially for gene delivery nanoparticles.

The postdoc collaborates on instrument design, modeling, and data analysis within a multidisciplinary team.