Abstract: Disclosed is a method for measuring cell performance. The method for manufacturing performance of a unit cell, in which a first electrode provided with a first electrode tab, a separator, and a second electrode provided with a second electrode tab are alternately laminated to be bonded to each other, comprises an additional lamination step of further laminating counter electrodes, each of which has the same polarity as that of the second electrode and is provided with a third electrode tab, on sides facing the first electrode at the outermost sides of the unit cell with the separator therebetween, and an outer interface analysis step of measuring a different in performance between the first electrode and each of the counter electrodes by electrically connecting the first electrode tab disposed on the first electrode to the third electrode tab disposed on the counter electrode.

Abstract: The present invention provides a lithium secondary battery which includes a positive electrode including a first lithium cobalt oxide and a second lithium cobalt oxide which have different average particle diameters (D50) from each other, a negative electrode including first graphite and second graphite which have different average particle diameters (D50) from each other, and an electrolyte including a first additive as a nitrile-based compound, wherein the first lithium cobalt oxide and the second lithium cobalt oxide each independently contain aluminum in a concentration of 2,500 ppm to 4,000 ppm.

Abstract: The present invention relates to a composition for skin permeation to deliver a protein into skin, wherein the composition comprises an ionic conjugate in which a cationic compound and a protein are ionically bound. As the ionic conjugate according to the present invention allows the protein to easily pass through cell membranes and skin membranes, it is possible to deliver the protein to an epidermal or dermal layer of the skin.

Abstract: The present invention relates to a composition for skin penetration, wherein the composition contains an ion conjugate in which a cationic compound is ionically combined with an anionic bioactive material, and delivers the bioactive material into the skin. According to the present invention, various kinds of anionic bioactive materials, such as diagnostic reagents, medicines, and fluorescent materials, are allowed to easily pass through cell membranes and skin layers, and thus can be delivered to the epidermal layer and dermal layer of the skin.

Abstract: The invented inositol and trehalose derivatives, prepared by introducing multiple units of the guanidine group to the backbone molecules, show excellent blood-brain barrier permeability, and accordingly, it can be easily transported to the brain tissues and utilized for the treatment of neurodegenerative diseases such as Alzheimer's disease and Huntington's disease.

Abstract: The invented inositol and trehalose derivatives, prepared by introducing multiple units of the guanidine group to the backbone molecules, show excellent blood-brain barrier permeability, and accordingly, it can be easily transported to the brain tissues and utilized for the treatment of neurodegenerative diseases such as Alzheimer's disease and Huntington's disease.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.

Abstract: The invented inositol and trehalose derivatives, prepared by introducing multiple units of the guanidine group to the backbone molecules, show excellent blood-brain barrier permeability, and accordingly, it can be easily transported to the brain tissues and utilized for the treatment of neurodegenerative diseases such as Alzheimer's disease and Huntington's disease.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, it can be effectively used in delivering various biologically active molecules, such as doxorubicin and paclitaxel to target cells.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.

Abstract: The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.