For many laboratories, pipette tip reuse is still a new idea. Even after seeing the potential cost, waste, and supply chain benefits, an important question remains:

What would the process actually look like in our lab?

There is no single answer. PureTIP One can support several workflows depending on a facility’s tip volume, level of automation, available space, and staffing. Some laboratories may begin with a simple manual process. Others may build tip cleaning into a fully automated system or establish a centralized cleaning operation serving multiple labs.

Here are three examples of what pipette tip reuse could look like in practice.

1. Manual, Point-of-Use Cleaning

The simplest approach is a manual workflow managed by an individual lab or department.

After tips are used, their racks are placed in a designated collection area instead of being discarded. An operator periodically brings the collected racks to PureTIP One, processes them one rack at a time, and returns the cleaned tips to the lab for reuse.

This model could use a cart to transport racks between the work area and the cleaning system. Clean and used racks would remain physically separated, with cleaned racks covered or placed in closed containers until they are needed.

A manual workflow gives laboratories a straightforward way to introduce tip reuse without making major changes to their existing automation. It may be especially appropriate for labs with moderate tip usage, changing workloads, or a desire to evaluate reuse before expanding the program.

2. Fully Automated Tip Reuse

At the other end of the spectrum is a fully automated workflow.

We sometimes describe this concept as a pipette tip vending machine. Used racks enter the system on one side, move through the PureTIP One cleaning process, and become available as clean racks on the other.

Robotic handling could move racks between storage, cleaning, and laboratory automation systems. Instead of asking an operator to manage each cleaning cycle, the system continuously maintains a supply of tips that are ready when the laboratory needs them.

In this model, tip cleaning becomes part of the laboratory’s infrastructure. Researchers and operators continue working while reuse happens in the background.

This approach could be particularly valuable for high-throughput laboratories that use large, predictable quantities of tips and already rely heavily on automation.

3. Centralized Tip Cleaning

A third option is a centralized cleaning operation serving multiple laboratories.

This model works somewhat like a dry-cleaning service. Used tip racks are collected from different labs and transported to a central location equipped with PureTIP One. The racks are cleaned, prepared for reuse, and then returned to the appropriate laboratory.

Centralized cleaning could allow an entire facility or campus to benefit from tip reuse without placing cleaning equipment in every lab. One team could manage collection, cleaning, tracking, and redistribution for several departments.

This type of workflow could work well for pharmaceutical facilities, biotechnology campuses, universities, core facilities, or other organizations with multiple laboratories operating in the same location.

Keeping Clean Tips Clean

The workflow does not end when the cleaning cycle is complete. Cleaned tips need to stay protected while they are stored, transported, and returned to service.

Labs can replace rack lids after cleaning, use closed storage containers, separate clean and used tip transport carts, or designate clean storage areas. Another option is to place cleaned racks in new recyclable and compostable boxes from PulpFixin.

The right approach depends on the lab’s applications and material-handling practices. The key is to keep used and cleaned racks on clearly separated paths.

Tracking Racks Through Multiple Uses

Laboratories will also need a practical way to track how many times racks have been cleaned and reused.

For an initial program, racks could be kept together in controlled batches. Each batch might be labeled with its originating lab, tip type, cleaning date, and number of completed cycles.

A more advanced program could use a barcode or QR code on each rack. Scanning the rack during collection, cleaning, and return would create a digital history of its use. The system could then notify operators when a rack reaches an established inspection or retirement point.

Manual records, batch labels, and barcode systems all follow the same basic idea: each rack or group of racks should remain connected to its cleaning history.

A Workflow That Fits the Lab

Pipette tip reuse does not have to look the same everywhere.

One laboratory may begin with a cart and a designated operator. Another may integrate PureTIP One into a fully automated tip-management system. A larger organization may create a centralized operation that collects and cleans racks for an entire campus.

The scale and level of automation may change, but the fundamental workflow remains consistent:

Collect. Track. Clean. Protect. Return. Reuse.

PureTIP One gives laboratories the flexibility to build a reuse process around the way they already work, whether that means starting small or making tip cleaning a fully automated background utility.