All posts by Particle Technology Labs

A close-up of a professional in blue latex gloves. They hold a test tube with a Q-tip to test the substance.

Best Practices for Pharmaceutical Stability Testing

To understand the best practices for pharmaceutical stability testing, you must first partner with a trusted laboratory like Particle Technology Labs.

A scientist in a white lab coat and blue latex gloves looks through a microscope as test tubes sit in front of it.

Quality Assurance and Methods Compliance

Developing Stability-Indicating Analytical Methods

Developing stability-indicating analytical methods makes a significant contribution to furthering your products or studies. Partner with PTL to learn more.

A lab specialist in a blue PPE gown and hair net works at their station with test tubes and a microscope.

Image Analysis

Choosing the Right Analytical Testing Partner

Choosing the right analytical testing partner is one of the most important decisions labs can make. Here’s a closer look at the details you shouldn’t overlook.

PTL News

Particle Technology Labs Launches USP <901> Polarized Light Microscopy Testing for Asbestos Detection in Pharmaceutical Talc

New service helps pharmaceutical and cosmetic manufacturers test talc safety and support regulatory compliance. DOWNERS GROVE, IL — [September 23, 2026] — Particle Technology Labs (PTL) announces a new testing service in accordance with USP-NF General Chapter <901>,

Laser Diffraction

Why Particle Size Matters for Effective Inhaled Drug Delivery

For an inhaled medication to work as intended, the drug first has to reach the right place. That sounds simple, but the respiratory tract presents a challenging delivery path. Particles released from an inhaler must travel through the

A scientist at the microscope using a tablet to enter data. She wears blue latex gloves, a white lab coat, and glasses.

Quality Assurance and Methods Compliance

Key Steps in Pharmaceutical Method Development

Pharmaceutical method development plays a fundamental role in moving processes to completion. Explore a few key steps in ensuring smooth validation.

A person wearing a white lab coat and blue latex gloves is pressing a button on a scientific testing machine.

Physical Measurement

Analytical Testing Requirements for FDA Filings

Explore how analytical testing supports FDA filings through method validation, stability testing, specifications, and reliable pharmaceutical results.

Lab techs at the work station writing information and data on a clipboard document. They have blue latex gloves on.

Image Analysis

When To Choose Image Analysis for Particle Testing

Knowing when to choose image analysis for particle testing can make a difference in results. Particle Technology Labs explores when to make a decision.

A female scientist at the work desk using a microscope to examine particle size and shape. She holds the Petri dish.

Image Analysis

Why Particle Shape Matters Beyond Particle Size

Particle size often serves as the starting point for material characterization, but it rarely tells the complete story. Two materials with nearly identical particle size distributions can behave very differently because their particles have different shapes. Understanding size