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ELECTROCHEMICAL Co 3 O 4 NANOPOROUS THIN FILMS SENSOR FOR HYDROGEN PEROXIDE DETECTION
GUANG SHENG CAO,RUILIN WANG,PEILONG WANG,XIN LI,YUE WANG,JUNPING LI,GUILONG WANG 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.4
The nanoporous Co 3 O 4 thin ¯lms were prepared on indium tin oxide (ITO) glasses by anelectrodeposition method. The surface morphology and composition of the nanoporous Co 3 O 4¯lms were characterized by scanning electron microscopy (SEM), energy-dispersive X-rayanalysis (EDS) and X-ray photoelectron spectroscopy (XPS). The results show that the as-deposited nanoporous Co 3 O 4 ¯lm is constructed by many interconnected nano°akes withthickness of about 40 nm. The cyclic voltammetry (CV) measurement indicates that thenanoporous Co 3 O 4 ¯lms exhibit remarkable electrocatalytic activities for the hydrogen peroxide(H 2 O 2 ) reduction which shows that it is a good candidate to be employed as electrode materialsfor electrochemical sensing of H 2 O 2 . Further analysis indicated that the detection sensitivityof the sensor was 1.357 mA mM? 1 cm? 2 and the detection limit was estimated to be about0.2 mM.
Yufei Tian,Wei Yang,Gang Chen,Chuanlong Men,Yifan Gu,Ruilin Zhang,Laiyou Wang,Xin Zhang 한국식품과학회 2022 Food Science and Biotechnology Vol.31 No.2
Currently, gut microbiota living in the gastrointestinaltract, plays an important role in regulatinghost’s sleep and circadian rhythms. As a tool, gut microbiotahas great potential for treating circadian disturbanceand circadian insomnia. However, the relationship betweengut microbiota and circadian rhythms is still unclear, andthe mechanism of action has still been the focus ofmicrobiome research. Therefore, this article summarizesthe current evidences associating gut microbiota with factorsthat impact host circadian rhythms neurology sleepdisorder. Moreover, we discuss the changes to these systemsin sleep disorder and the potential mechanism ofintestinal microbiota in regulating circadian rhythms neurologysleep disorder via microbial metabolites. Meanwhile,based on the role of intestinal flora, it is provided anovel insight into circadian related insomnia and will bebenefit the dietary treatment of circadian disturbance andthe circadian related insomnia.