That's why gloves are used in scientific research in the first place - to avoid contamination (unless one is working with dangerous substances in which case it's also to protect a person). If they are not fit for purpose that's a problem.
replyNo actually, gloves are used for human comfort first and foremost. A substance does not have to be harmful to people for them not to want to be stained by it; merely keeping fluids off is a huge boon.
reply