After enucleation, a donor cell was inserted into the perivitelline space of each enucleated oocyte using the same glass pipette.
The altered gene is then pushed on a fine glass pipette into a goat egg.
This technique is most often performed with an optical microscope and requires micro-manipulation of a glass pipette.
Carefully stooping, he found the shattered remains of a thin glass pipette.
Dr. Carey said the glass pipette was abandoned for testing when more extensive examinations, called rape kits, came into use in 1978.
These instruments can be purchased from a variety of sources, but they may also be constructed from appropriate-sized, glass volumetric pipettes.
"It looks good, of course," he mumbled, laying down a glass pipette.
The longer and thinner the tip of a glass pipette, the more exact the measurement.
Intracellular activity may also be observed using a specially formed (hollow) glass pipette containing an electrolyte.
The real trick was inventing a glass pipette small enough and sharp enough to puncture a single human egg without destroying it.