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안세현,정주연,유치현,이현숙 한국물리학회 2023 새물리 Vol.73 No.11
Algorithms, a branch of computational science, use software to construct and simulate models and are used in molecular dynamics and protein structure prediction, as well as in medical field such as diseases, radiation therapy, and detector development. In this study, using NI LabVIEW 2014 software, a hyperglycemia prediction algorithm is proposed based on the extended QTc interval of the electrocardiogram (ECG) by ventricular repolarization prolongation to prevent hyperglycemia, which can result in arteriosclerosis, myocardial infarction, and death. When the algorithm was applied to the ECG of normal and hyperglycemic patients provided by PhysioNet, we found that the QTc interval was lengthened by more than 57% to 621 ± 69 ms in hyperglycemic patients compared to 395 ± 32 ms in normal patients. Moreover, the assessment of the performance of the designed algorithm demonstrated its reliability, with an accuracy of 92.7%. Thus, the QTc interval can be used as an important predictor of hyperglycemia. Furthermore, algorithmic biosignal analysis can lay the foundation for noninvasive disease prediction and early diagnosis.
윤형석,조혜은,송동현,유치호,송영조,허경행 한국군사과학기술학회 2024 한국군사과학기술학회지 Vol.27 No.2
Ricin is a highly toxic protein which is produced in the seeds of the castor oil plant. Ricin toxin A chain hasribosomal RNA N-glycosylase activity that irreversibly hydrolyses the N-glycosidic bond of the adenine residue atposition 4324 within the 28S rRNA. In this study, we developed non-toxic recombinant ricin vaccine(R51) in E. coli expression system, and evaluated efficacy of the R51 according to adjuvants. When the R51 was administeredusing aluminum hydroxide as an adjuvant, the vaccine efficacy was higher than that of TLR agonists or aluminumphosphate. Because it is time-consuming to administer the vaccine three times at three-week intervals, weinvestigated the survival rate and antibody titer of mice according to the change of time interval of vaccination. Interestingly, there was no difference in survival rate and antibody titer when R51 was administered at 0, 1, and 3weeks or 0, 2, and 4 weeks compared to when administered at 0, 3, and 6 weeks. Therefore, the developed R51vaccine is promising to protect soldiers from Ricin attack.