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

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.

Quality Assurance and Methods Compliance

The Mystery of a Design of Experiments

A new case file has just fallen across the desk of Private Investigator Particle Pete. Their client has a mystery to unravel. Follow along as PI Pete solves the Mystery of the Design of Experiments! In the world

Particle Size

How PTL Used Particle Counting to Answer Questions a Client Couldn’t Answer Alone

All around the world, people rely on water filtration. From industrial wastewater processing to the filter you use for the tap water coming out of your kitchen sink, clean water matters every day. But how clean is the

Particle Size

Introducing PTL’s New Hydraulic Fluid Cleanliness Testing Capabilities

Most hydraulic failures don’t start with a broken part. They start with particles too small to see. Fine dirt, wear metal, and other debris circulating in the fluid gradually wear down pumps, valves, and actuators until something gives

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.