Common Petri Dish Problems in Routine Laboratory Use

Petri dishes arranged for routine laboratory use

Introduction Laboratory protocols are designed to describe experimental conditions with clarity and reproducibility in mind. They focus on variables that directly influence biological outcomes—such as media composition, incubation parameters, and timing—while assuming that routine consumables like Petri dishes perform consistently under standard use. As a result, the role of the dish itself is rarely examined […]

Ways to avoid laboratory contamination

young lab technician working in pcr lab

This paper introduces the principle of PCR technology and the common causes of PCR laboratory pollution in general and expounds on how to avoid the occurrence of PCR laboratory pollution from the perspectives of the layout standard of the working area, the pressure control requirements of the laboratory and the standard operation of the experimental process. Readers can have a comprehensive and intuitive understanding of the antecedents and prevention measures of PCR laboratory contamination.

How To Check Pipette Accuracy Quickly

Clinical laboratory in process of chemical analysis. Collection of probe using automatic pipette.

This article provides readers with common methods for determining whether a pipette is leaking, and discusses different ways to deal with each type of situation.