Lg Household & Health Care Ltd.

Chong Kun Dang Pharmaceutical Corporation

Ji Hee Lee

Sung Hyoun Jang

Hyeon Jin Kweon

Young Nam Lee

Jung Yong Lee

Ha Young Kim

Jong Lae Lim

Min Hyo Ki

Ho Young Hwang

Chang Hwan Hyun

Hee-Jeong Cho

Sang Myoung Noh

Ah-Reum Chae

Hae Na Cheong

Kang Ug Lee

Ji Hee Jeong

The present disclosure relates to a portable printer including a main body in a portable form which is capable of accommodating a cartridge having a nozzle for delivering a printing material to a target having a soft or hard surface, a seating part which is provided to be exposed to an outside from a lower portion of the main body to face the surface of the target and at least partially surrounds the nozzle, a roller provided respectively at the front and rear of the nozzle at the lower portion of the main body with respect to a direction in which the main body moves along the surface of the target to deliver the printing material to the target, and a printing adjustment unit configured to adjust a height difference between the nozzle and the roller to adjust a height difference between the nozzle and the surface of the target.

Portable printer

Printer for tattoo

Disclosed is a pharmaceutical composition for gene delivery, comprising: (i) a gene; (ii) a water-soluble chitosan; (iii) a thiamine pyrophosphate or a pharmaceutically acceptable salt thereof; (iv) a protamine or a pharmaceutically acceptable salt thereof; and (v) a neutral or anionic phospholipid. The composition can introduce a gene into cells safely and effectively. Composed of non-toxic and injectable components, the composition is safe for the body and can be advantageously commercialized. Notably, it can deliver a gene at high efficiency in vivo as well as in vitro, and is stable in the blood.

Composition for gene delivery

Growing community of inventors

Seoul, South Korea

Ji Hee Lee