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Hydrodynamic Delivery (HD) is a method of DNA insertion in rodent models. Genes are delivered via injection into the bloodstream of the animal, and are expressed in the liver. This protocol is helpful to determine gene function, regulate gene expression, and develop pharmaceuticals in vivo. [1] W. Heston giving an intravenous injection to mice.
In spaceflight an orbit insertion is an orbital maneuver which adjusts a spacecraft’s trajectory, allowing entry into an orbit around a planet, moon, or other celestial body. [1] An orbit insertion maneuver involves either deceleration from a speed in excess of the respective body's escape velocity , or acceleration to it from a lower speed.
Intraperitoneal injection or IP injection is the injection of a substance into the peritoneum (body cavity). It is more often applied to non-human animals than to humans. In general, it is preferred when large amounts of blood replacement fluids are needed or when low blood pressure or other problems prevent the use of a suitable blood vessel for intravenous injection.
The infraorbital vein is a vein that drains structures of the floor of the orbit. It arises on the face and passes backwards through the orbit alongside infraorbital artery and nerve, exiting the orbit through the inferior orbital fissure to drain into the pterygoid venous plexus.
The injection burn occurs under zero g conditions. If the same upper stage which performs the parking orbit injection is used for the final injection burn, a restartable liquid-propellant rocket engine is required. During the parking orbit coast, the propellants will drift away from the bottom of the tank and the pump inlets.
The brachial plexus is most compact at the level of the trunks formed by the C5–T1 nerve roots, so nerve block at this level has the greatest likelihood of blocking all of the branches of the brachial plexus. This results in rapid onset times and, ultimately, high success rates for surgery and analgesia of the upper extremity, excluding the ...
The SMPS carries out orbit injection, circularization burn, on-orbit control, de-boost maneuvering, and service module based abort if necessary during the ascent phase for the Orbital Module. [81] On 20 July 2023, hot test was conducted in final configuration of SMPS in which sixteen RCS thrusters with 100 Newton thrust and five LAM engines ...
A trans-lunar injection (TLI) is a propulsive maneuver, which is used to send a spacecraft to the Moon. Typical lunar transfer trajectories approximate Hohmann transfers , although low-energy transfers have also been used in some cases, as with the Hiten probe. [ 1 ]