It was originally made of twisted metal wire (such as platinum, tungsten or nichrome), but disposable molded plastic versions are now common.
What is an inoculating loop used for?
Inoculating loops and needles are devices used for inoculation, serial dilution, sterile sampling, transfer, and microbiological sample spreading.
What are the different types of inoculating loops and needles?
Inoculating Loops & Needles … loops and needles are made from high quality polypropylene and are available in 3 styles; needle, 1µl loop and 10µl loop.