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Jung, Wook Ki,Baek, Changyeon,Kim, Joo-Hyung,Moon, San,Kim, Dong Seok,Jung, Young Hwa,Kim, Do Kyung Elsevier 2018 Materials & Design Vol.139 No.-
<P><B>Abstract</B></P> <P>Ice-templating has been widely investigated in various energy-related fields owing to the simple and inexpensive process of this method which results highly-ordered lamellar structures. Lamellar structures offer larger active areas for ionic conductivity and a short mean free path of electrons. Here, an ice-templated LiFePO<SUB>4</SUB> cathode was introduced to achieve higher rate capability with a minimized carbon source. The fabricated highly-aligned porous structure demonstrates superior rate performance during the discharge process compared to electrodes which use conventional slurry casting. This enhanced performance is mainly attributed to the aligned porous structure, which facilitates the rapid transfer of electrons from the bulk to a current collector and also provides a good distribution of contact sites with Li ions in the electrolytes.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We introduce ice-templating method to fabricate lamellar structured LiFePO<SUB>4</SUB> cathode. </LI> <LI> Lamellar structures offer larger areas for ionic conductivity and a short mean free path of electrons. </LI> <LI> A highly-aligned lamellar structure showed superior rate performance during the discharge. </LI> <LI> The lamellar structure addresses aforementioned issues and potentially applicable to the porous electrode design. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Pain, Depression, Body Mass Index in Conscripts with Chronic Low Back Pain in South Korea
Lee, Ju Hwan,Um, Ki Mai,Wang, Jung San,Lee, Sa Gyeom,Park, Joo Hyun,Koo, Ja Pung,Kim, Jung Hee,Lee, Suk Hee,Moon, Ok Kon International Academy of Physical Therapy Research 2014 Journal of International Academy of Physical Ther Vol.5 No.1
This study is a cross-sectional study for conscripts with chronic low back pain, where it is designed to investigate general characteristics that conscripts with chronic low back pain carry, and it is also aimed to analyze the correlation as well as discrepancy within pain, depression and body mass index depending on their ranks. In this study, 90 Korean conscripts with chronic low back pain participated. And in order to analyze general characteristics as well as pain, depression and body mass index of the subjects, this study adopted a survey questionnaire upon general characteristics, and it also employed Visual Analogue Scacle(VAS) and Center for Epidemiological Studies Depression(CES-D) Scale which have proven their credibility, where BMI values for the subjects were calculated based on 'Asian Pacific standard' Body Mass Index(BMI). From the general characteristics exhibited by the subjects through this study, average age and average height of the subjects were $20.78{\pm}1.41$ and $175.97{\pm}5.34$ respectively; and corporals displayed the highest ratio of 42% with the chronic low back pain while 40% of the total subjects experienced the duration of the illness less than 6 to 9 months. Moreover, 57.8% of all subjects were reportedly suffering moderate pain, and 48% exhibited depression while 49% carried BMI value between 18.5 and $22.9kg/m^2$(normal range). Based on the analysis of correlation among pain, depression, discrepancy of BMI depending on the ranks and each independent variable, it appears that there is no significant difference amongst the ranks, and there is no correlation between independent variables; however, it was obvious that all groups divided by the ranks had a moderate pain(45-74mm), depression(${\geq}16$) and BMI value in normal range(18.5-22.9).
Pain, Depression, Body Mass Index in Conscripts with Chronic Low Back Pain in South Korea
Ju Hwan Lee,Ki Mai Um,Jung San Wang,Sa Gyeom Lee,Joo Hyun Park,Ja Pung Koo,Jung Hee Kim,Suk Hee Lee,Ok Kon Moon 국제물리치료학회 2014 Journal of International Academy of Physical Ther Vol.5 No.1
This study is a cross-sectional study for conscripts with chronic low back pain, where it is designed to investigate general characteristics that conscripts with chronic low back pain carry, and it is also aimed to analyze the correlation as well as discrepancy within pain, depression and body mass index depending on their ranks. In this study, 90 Korean conscripts with chronic low back pain participated. And in order to analyze general characteristics as well as pain, depression and body mass index of the subjects, this study adopted a survey questionnaire upon general characteristics, and it also employed Visual Analogue Scacle(VAS) and Center for Epidemiological Studies Depression(CES-D) Scale which have proven their credibility, where BMI values for the subjects were calculated based on 'Asian Pacific standard' Body Mass Index(BMI). From the general characteristics exhibited by the subjects through this study, average age and average height of the subjects were 20.78±1.41 and 175.97±5.34 respectively; and corporals displayed the highest ratio of 42% with the chronic low back pain while 40% of the total subjects experienced the duration of the illness less than 6 to 9 months. Moreover, 57.8% of all subjects were reportedly suffering moderate pain, and 48% exhibited depression while 49% carried BMI value between 18.5 and 22.9kg/m2(normal range). Based on the analysis of correlation among pain, depression, discrepancy of BMI depending on the ranks and each independent variable, it appears that there is no significant difference amongst the ranks, and there is no correlation between independent variables; however, it was obvious that all groups divided by the ranks had a moderate pain(45-74mm), depression(≥16) and BMI value in normal range(18.5-22.9).
The Effect of Group Exercise Program on Cognitive Function of Elderly people
Nyeon Jun Kim,Moo Ki Kim,Ok Kon Moon,Ho Jung An,Hee Joon Shin,Yoo Rim Choi,Jung San Wang,Joon Hee Lee,Joo Hyun Park,Soon Hee Kim 국제물리치료학회 2014 Journal of International Academy of Physical Ther Vol.5 No.2
The goal of this study was to assess the effect of a group exercise program on cognitive function of elderly people. Subjects were chosen to be elders with dementia having minor to moderate degrees of cognitive function. Study was started out by randomly dividing the 16 subjects into two groups, each with 8 people; the group exercise group and the control group. The group exercise group performed 8 weeks of group exercise program and general physiotherapy while the control group only performed general physiotherapy. Cognitive function was measured by Korean version mini-mental state examination. The study group's attention and calculation statistically significantly improved but the control group saw no statistically significant change. The group exercise program affected improvement in cognitive function of elderly people with dementia and in particular, was effective for enhancing their attention and calculation.