Well Mark^®

The Well Mark^® is a simple, effective device designed to reduce pipette dispense errors and cross contamination during manual delivery of assay reagents to 96 and 384 well plates. As a book mark registers progress and place when reading a book, the Well Mark^® registers the progress and current position in delivery of reagents to a complete column or single well in 96 or 384 well plates. At beta site labs errors were reduced by 26% to 32% within a two week period.

The Well Mark^® consists of a windowed frame which locks any skirted or unskirted well plate in place; a moving, protective shield with an open slot revealing one column of wells at a time; and a single-well isolator with protective skirt which moves down a column one well at a time. Laser etched index shafts clearly indicate the current dispense position for 96 and 384 well plates.

A small, hinged, accessory easel holds plate and Well Mark^® at an angle advantageous for easier deposit of assay reagents. Non-skid mats secure plate and Well Mark^® in place as the operator advances the slotted, protective cover from column to succeeding column of wells. The easel can be set at three different angles to accommodate the preference of the operator.