2results about How to "Increased ion mobility" patented technology

The application discloses a kind of high adhesion hydrogel for electroencephalogram test and its preparation method and application, belong to biomedical engineering technical field.The hydrogel includes the following components crosslinked product: anionic monomer, cationic monomer, monomer and mutual penetration agent;The anionic monomer is any one of malic acid, gluconic acid, citric acid and lactic acid, cationic monomer is betaine or acetyl L-carnitine, monomer is N, N-dimethyl acrylamide, acrylic acid, sodium acrylate, 4-acryloyl morpholine or sodium acrylamidomethyl propane sulfonate, mutual penetration agent is sodium chloride aqueous solution or sodium chloride water-retaining agent solution.Preparation, cationic monomer is mixed and dissolved, vacuum drying, adding photo initiator mixing, then mutual penetration agent is added, and it is obtained by ultraviolet light crosslinking.The hydrogel of the application has high adhesion (adhesion strength reaches 203.22 kPa), high ion mobility and excellent biocompatibility, and the signal gain in EEG and ECG test reaches 2-3 times of traditional conductive paste, which can be widely used in medical conductive paste field.

The application belongs to the technical field of chemical detection, and discloses a copper ion detection liquid, a method, a device, computer equipment and a storage medium.The copper ion detection liquid comprises: dilution special pure water, potassium chloride and isopropyl alcohol; and the parameters of the dilution special pure water are: conductivity < 10 mu s / cm, solid suspended substance < 5.0 mg / L and pH is 4.5-5.5.The application provides more suitable acidity, total ion strength and ion background for EDTA titration analysis of copper ion concentration by using dilution special pure water, potassium chloride and isopropyl alcohol, so that the stability and accuracy of copper ion detection can be improved.