World Precision Instruments, LLC

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World Precision Instruments, LLC

Researchers are #1 at WPI. Personal service? Call us. Let our knowledgeable people help you find lab

For over 55 years, World Precision Instruments (WPI) has been a leading global manufacturer and provider of innovative research equipment and laboratory supplies to the life sciences, pharmaceutical, health care, and industrial markets. Our proven technology supports complex model development, including animal models and organ-on-a-chip systems, providing researchers with the tools to identify and

validate drugs pre-clinically to understand mechanism of action, dosage, administration, drug-drug interactions, patient-specific reactions, pharmacokinetics, pharmacodynamics, safety and efficacy. Our areas of innovation focus on tissue and cell biology, fluidics, animal physiology and electrophysiology. With an extensive global network and a passion for innovation, WPI provides novel solutions to customer’s daily challenges. Browse our collection of premium lab equipment and supplies today to outfit your facility for success.

09/04/2026

That rust-colored stain on a stainless steel instrument might not be rust at all.
Dried blood, bio-debris, cleaning chemistry, water spots, excessive heat, and other processing conditions can all cause discoloration that may be mistaken for corrosion.
So how can you tell the difference?
A simple pencil eraser test can help. Remove the discoloration and inspect the surface underneath. If the steel is smooth and intact, you're likely dealing with a stain. If you find pitting or permanent surface damage, corrosion has occurred.
Our latest guide looks at common stain colors, what may cause them, and how to determine whether an instrument can be cleaned or should be replaced.
https://wpiinc.com/blogs/all/is-the-discoloration-on-your-instruments-rust-or-a-stain

09/03/2026

New peer-reviewed publication featuring the EVOM™ Auto.
Scientists at Johnson & Johnson (Belgium and Pennsylvania) just published their findings in Toxicology in Vitro, using WPI’s EVOM™ Auto automated TEER to evaluate human colonoid-derived monolayers (hCDMs) as a next-generation model for drug toxicity and pharmacodynamics research.
Key findings:
🔹 High-throughput, reproducible barrier integrity monitoring across 96-well hCDM and Caco-2 monolayers
🔹 Functional QC readout confirming when hCDMs reached physiological tight-junction formation
🔹 Mechanistic insight into barrier disruption patterns tied to diarrheagenic compound sensitivity
🔹 hCDMs maintained a physiological barrier (332 Ω·cm²) and responded to toxicants more like clinical models than Caco-2
🔹 Enabled integrated PK/PD evaluation linking drug accumulation to barrier function
This is the fourth peer-reviewed study to feature the EVOM™ Auto, with a fifth currently under review. Read the full study and explore the growing body of research: https://doi.org/10.1016/j.tiv.2026.106221

09/01/2026

Your tweezers may look fine, but are the tips actually aligned? Small changes in tip alignment, surface condition, or spring tension can affect grip and precision long before the damage is obvious during normal use.
Our latest article walks through a simple, step-by-step QC inspection for research tweezers, including:
• How to check tip alignment and closure
• What surface damage to look for
• How to test spring tension
• Clear pass/fail criteria
• When an instrument should be removed from service
For fine-tip tweezers used in microsurgery or micromanipulation, this inspection should be performed before every use.
Read: How to Inspect Tweezers: A Step-by-Step QC Checklist
https://wpiinc.com/blogs/all/how-to-inspect-tweezers-a-step-by-step-qc-checklist

08/31/2026

Mosquito or Kelly? The right hemostat depends on the job.
Mosquito hemostats feature small, fine jaws for greater precision when working with small vessels, delicate tissue, and confined spaces. Kelly hemostats offer a larger jaw and greater capacity for medium-sized vessels and heavier tissue.
See how the two compare and learn what to consider when selecting hemostatic forceps for your application.
👉 Read the guide: https://wpiinc.com/blogs/all/mosquito-vs-kelly-hemostats-which-should-you-use

08/26/2026

NEW NanoFil™ syringe sizes are now IN STOCK!
More sizes. More flexibility. More control for precision microinjection.
WPI has expanded the NanoFil™ family with three new syringe sizes: 5 µL, 25 µL, and 50 µL,giving researchers more options to match syringe volume to their application.
- 5 µL for enhanced volume resolution for ultra-low-volume injections, handheld injection capability perfect for ophthalmic applications
- 25 µL & 50 µL offer more choices between our existing 10 µL and 100 µL options
Designed for precise, low-volume delivery, NanoFil™ syringes feature a gas-tight, zero-dead-volume design to help maximize sample recovery and support highly reproducible injections.
Ideal for applications including retinal gene therapy, intravitreal and subretinal injections, optogenetics, stereotaxic brain injections, ocular drug delivery research, and more.
The complete NanoFil™ family is now available in 5, 10, 25, 50, and 100 µL sizes.
👉 Explore NanoFil™: https://wpiinc.com/products/var-3167-gas-tight-injection-system

08/21/2026

Please join us in welcoming Doecks to the WPL family as our new Account Executive for the Northeast territory.

Alyssa joins us with a strong background in sales and account management, along with a B.S. in Animal Sciences from the University of Rhode Island. Her experience building relationships and supporting customers makes her a great fit for this role, and we’re proud to have her representing WPL across the Northeast.

Welcome to the team, Alyssa!

08/17/2026

Not all hemostats grip tissue the same way.
Fine transverse serrations, full-length serrations, partial serrations, and Rochester-Carmalt jaw patterns are each engineered for specific surgical tasks. Understanding how these designs distribute force and resist slippage can help researchers choose the right instrument for the procedure while minimizing unnecessary tissue trauma.
Our latest article explains how jaw patterns influence grip strength, tissue control, and atraumatic handling, giving researchers a practical framework for selecting the best hemostat for their application.
Read the full article: https://wpiinc.com/blogs/all/how-hemostat-jaw-patterns-affect-grip-strength-and-tissue-control

Address

Sarasota, FL

Telephone

+19413711003

Website

http://www.wpiinc.com/, http://www.wpi-europe.com/, http://www.wpiinc.cn/

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