Older PWID may lose venous access; miss veins more often when trying to inject
(12); and use less accessible and more heavily colonized injection sites, such as the femoral vein (13), leading to more infections.
Separate research suggests that a worm called the root-knot nematode sneaks past plants' defenses by disguising itself as a friend and that some bacteria inject
one of a group of proteins that co-opt a cell's actions.
Now that the system is installed, he can experiment with different ways to inject
polymer and other materials.
With technology commonly used in oil fields, engineers say they could inject
seawater into sandy strata deep beneath Venice, Italy, to boost the subsiding ground that now aggravates flooding there.
Recent studies have shown how they shoot through the stomach into the intestine, spear holes in its cells, inject
poisons, spew toxins, and latch toxins onto immune cells that then travel throughout the body.
Griesbach uses a fine glass needle to inject
a chromosome into a plant cell.