摘要:
Functionalized biocompatible nanoparticles capable of penetrating through a mammalian cell membrane and delivering intracellularly a plurality of bioactive molecules for modulating a cellular function are disclosed herein The functionalized biocompatible nanoparticles comprise: a central nanoparticle ranging in size from about 5 to about 50 nm and having a polymer coating thereon, a plurality of functional groups covalently attached to the polymer coating, wherein the plurality of bioactive molecules are attached to the plurality of the functional groups, and wherein the plurality of bioactive molecules include at least a peptide and a protein, and wherein the peptide is capable of penetrating through the mammalian cell membrane and entering into the cell, and wherein the protein is capable of providing a new functionality within the cell. The protein may be a transcription factor selected from the group consisting of Oct4, Sox2, Nanog, Lin28, cMyc, and Klf4.
摘要:
A retractor assembly comprising a spool configured to wind and unwind the webbing, a lock base, and an energy absorbing member having a first end operatively connected to the locking base and a second end operatively connected to the spool. The energy absorbing member provides a progressive level of load resistance upon relative rotation between the spool and the locking base.
摘要:
A belt retractor (10) comprises a belt reel (12), an adaptive belt limiter (20) and a belt tensioner (22). The force limiter (20) is arranged between the belt reel (12) and the belt tensioner (22) and is operated with a high characteristic during tensioning.
摘要:
In a vehicle safety belt system a gripping means (16) is arranged at a webbing section (10) extending between a deflection fitting (12) and the belt retractor (14). In the rest condition the webbing is led freely between the oppositely disposed clamping elements of the gripping means (16). The gripping means (16) is connected via a pulling cable (38) to a pyrotechnic or mechanical belt tightener drive. Return blocking means are formed by a cylinder (44) attached to the vehicle bodywork and a piston (42) displaceable therein, whereby the cylinder wall is deformed plastically for absorbing load peaks.
摘要:
In an energy absorbing damping device for safety belts of motor vehicles, for the purpose of controlled reduction of the deceleration force which acts on the belt user in the event of a collision, a strip element, which is connected to the safety belt, is pulled out of a coil and, by plastically deformed deformation members arranged on both sides of the strip element. The deformation members are formed as two toothed rollers, which engage with one another, so that the strip element, as it is pulled out of the coil, is first deformed sectionally and subsequently pulled straight again.
摘要:
A load limiter may include a load limiter body to which a downward pulling force and an upward pulling force are applied together in opposite directions, wherein the load limiter absorbs energy by deformation to limit the downward pulling force in a multi-stage manner and simultaneously absorbs energy by deformation to limit the upward pulling force in a multi-stage manner.
摘要:
To provide an energy absorbing device, a seat belt retractor, and a seat belt apparatus that can vary an energy absorbing amount depending on increase and decrease of rotation speed between relatively rotating objects and can improve durability. An energy absorbing device includes a casing connected to one object, an annular first clutch disc disposed in the casing, an annular second clutch disc disposed in the casing, and an annular clutch plate connected to the other object and having an engaging surface that faces both the first clutch disc and the second clutch disc, wherein the engaging outer teeth of the first clutch disc and the engaging inner teeth of the second clutch disc alternately engage with the engaging teeth of the clutch plate so as to absorb an energy generated by a relative rotation between one object and the other object.
摘要:
To provide an energy absorption apparatus, a seatbelt retractor, and a seatbelt apparatus that are capable of changing the energy absorption amount according to increases and decreases in the rotation speed between objects that rotate relative to each other and capable of improving endurance. The energy absorption apparatus includes a first plate connected to one of the objects and having a wave-shaped groove formed in an annular shape, a second plate connected to another one of the objects, disposed so as to be adjacent to the first plate, and having a plurality of radial grooves formed at locations that face the wave-shaped groove, a plurality of driving pins that are inserted, at one end, in the wave-shaped groove and inserted, at another end, in the radial grooves, and a plurality of follower bodies that are housed in the wave-shaped groove or the radial grooves and that slide along the wave-shaped groove as the driving pins move.
摘要:
Functionalized biocompatible nanoparticles capable of penetrating through a mammalian cell membrane and delivering intracellularly a plurality of bioactive molecules for modulating a cellular function are disclosed herein The functionalized biocompatible nanoparticles comprise: a central nanoparticle ranging in size from about 5 to about 50 nm and having a polymer coating thereon, a plurality of functional groups covalently attached to the polymer coating, wherein the plurality of bioactive molecules are attached to the plurality of the functional groups, and wherein the plurality of bioactive molecules include at least a peptide and a protein, and wherein the peptide is capable of penetrating through the mammalian cell membrane and entering into the cell, and wherein the protein is capable of providing a new functionality within the cell. The protein may be a transcription factor selected from the group consisting of Oct4, Sox2, Nanog, Lin28, cMyc, and Klf4.
摘要:
A retractor assembly for a seatbelt system having a webbing for restraining a secured occupant, the retractor comprising a spool configured to wind and unwind the webbing about an axis of rotation, the spool includes a side with an opening therein; a collar including an outer surface and an inner surface, the outer surface configured to engage the opening; a locking base configured to operatively engage the inner surface; and an energy absorbing member configured to provide a progressive level of load resistance upon relative rotation between the spool and the locking base.