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Alleviating effects of dehydration under no hyperthermia on the immunomodulatory response to the polysaccharide fraction from fu-ling （Poria cocos） in male collegiate wrestlers

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Chinese Medical Journal 2011年第4期124卷 530-536页

作者： jang tsong-rong KAO Ming-feng CHEN Chun-hao HSIEH Kuen-chang LAI Wen-yam CHEN Yu-yawn Athletics Department and Graduate School National Taiwan College of Physical EducationTaichung Taiwan China Department and Graduate School of Physical Education National Taiwan College of Physical EducationTaichung Taiwan China Department of Sport Tunghai University Taichung Taiwan China Research Center Charder Electronic Co. Ltd Taichung TaiwanChina Department and Graduate School of Physical Education National Taiwan College of Physical EducationTaichung Taiwan China

Background It is well known that dehydration can impair bodily functions. To evaluate the impact of hydration status under ambient environmental temperature on the immune system, 25 male collegiate wrestlers were recruited to undergo an experimental dehydration *** Thirteen subjects had controlled diets with individual energy requirements to prevent body mass loss and restricted water intake to cause 4.52% dehydration; they formed the dehydrated group （DE）. These subjects developed a urine specific gravity of about 1.030 in 84 hours. Twelve other subjects had no water restriction and maintained their total body weight comprised the euhydrated group （EU）. Peripheral blood monocytes （PBMNC） were isolated after dehydration to perform immune response testing by being incubated with a polysaccharide fraction from fu-ling, Poria cocos （polysaccharide fraction from Poria cocos, PCPS, 1-30 μg/L）, to prepare a conditioned medium termed conditioned medium of PBMNC stimulated by PCPS （PCPS-MNC-CM）. More PCPS （25 μg/L） was needed in the DE group to prepare the PCPS-MNC-CM, which was assayed with a growth inhibitory curve for treated U973 *** The treated U937 cells, incubated together with PCPS-MNC-CM from the DE group, exhibited a much lower nitroblue tetrazolium （NBT） positive value of （63.7±4.7）%. The concentration of interferon-gamma （IFN-Y）, interleukin （IL）-1β and tumor necrosis factor （TNF）-α in PCPS-MNC-CM from subjects after dehydration was much lower than in the CM from the EU *** The immune response to PCPS in the DE group was lower than in normally hydrated subjects.

关键词： dehydration mononuclear cells immunmodulatory U937 wrestlers

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Effect of auricular acupuncture on oxygen consumption of boxing athletes

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Chinese Medical Journal 2009年第13期122卷 1587-1590页

作者： LIN Zen-Pin WANG Chung-Yuan jang tsong-rong MA Tso-chiang CHIA Fan LIN Jaung-Geng HSU Jen-Jeng HO Tsung-Jung Department of Holistic Wellness MingDao University Taiwan China Athletics Department & Graduate School National Taiwan Sport University (Taichung) Taiwan China Department of Public Health China Medical University Taiwan China Graduate Institute of Chinese Medical Science China Medical University Taiwan China School of Chinese Medicine College of Chinese Medicine China Medical University Taichung Taiwan China Chinese Medicine Department China Medical University Beigang Hospital Taiwan China Chia-Yi Hospital Department of Health Executive Yuan Taiwan China

Boxing is an official sport at the 2008 Beijing Olympic Games and the fast development of world-class high strength training and sport science has made a significant impact on scientific training. Boxing needs high cardio-respiratory function, speed, muscle strength, and anaerobic and intensive physical demands including weight control covering the grading of athlete＇s body weight and balancing physical ability and health. Sport training is important even for talented athletes. Weight cycling is a term used to describe rapid weight loss following self food limitation and/or dehydration. Both gradual （seasonal） reduction cycles are used and rapid （weekly） weight by athletes,

关键词： auricular acupuncture oxygen consumption boxing athletes

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Regulation of sleep by astrocytes in the hypothalamic ventrolateral preoptic nucleus

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Neural Regeneration Research 2025年第4期20卷 1098-1100页

作者： Jae-Hong Kim Ruqayya Afridi Il-Sung jang Maan Gee Lee Kyoungho Suk Brain Korea 21 four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Pharmacology School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Pharmacology School of DentistryKyungpook National UniversityDaeguRepublic of Korea Brain Science&Engineering Institute Kyungpook National UniversityDaeguRepublic of Korea

Astrocytes are functionally dynamic cells that support neurons in multiple ways throughout an organism’s *** astrocytic regulation of neuronal activity has been increasingly recognized in recent *** are now recognized as playing a more complex role than mere bystanders in the central nervous ***,their role in regulating the sleep neurocircuitry is not well *** this perspective,we highlight the role of astrocytes in sleep modulation,with a particular focus on regulatory mechanisms related to the ventrolateral preoptic nucleus(VLPO)of the *** briefly discuss recent literature reporting the role of VLPO astrocytes in regulating sleep-associated behaviors.

关键词： sleep ventrolateral astrocytes

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Spontaneous rupture of the liver in a patient with chronic hepatitis B and D

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World Journal of Gastroenterology 2007年第32期13卷 4405-4407页

作者： Ching-Jung Liu rong-Nan Chien Cho-Li Yen Jia-jang Chang Liver Research Unit Chang Gung Memorial Hospital and Institute of TechnologyKeelung

Spontaneous rupture of the liver is a rare condition with serious consequences,if not recognized and treated in time. It has been reported as a complication of several disorders,including benign or malignant liver tumors,connective tissue disease,infiltrating liver disease,preeclampsia,and post anticoagulant therapy. We report a case of spontaneous rupture of liver in a non-cirrhotic,chronic hepatitis B and D patient presenting with acute hemoperitoneum and shock. The subcapsular hematoma and rupture of liver were documented by image studies. The patients' condition gradually stabilized after fluid resuscitation. The reported case and literature review suggest that spontaneous rupture of liver must be considered in a differential diagnosis of acute hemoperitoneum. A high index of suspicion and early diagnosis with imaging are critically important.

关键词： Spontaneous liver rupture Hemoperitoneum Hepatitis B

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Optimal Operation of Turbo Blowers Serially Connected Using Inlet Vanes

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Journal of Thermal Science 2011年第1期20卷 26-31页

作者： Choon-Man jang Plant Research Division Korea Institute of Construction Technology1190 IIsanseo-GuGoyang-Si411-712Korea

Optimal operation of the turbo blowers having an inlet vane has been studied to understand the blowers' operating *** analyze three-dimensional flow field in the turbo blowers serially connected,general analysis code,CFX,is introduced in the present *** turbulence model is employed to estimate the eddy *** the numerical analysis,it is found that the flow rates of the turbo blowers can be controlled at the vane angle between 90 (full open condition) degrees and 60 degrees effectively,because pressure loss rapidly increases below 60 degree of a vane *** also has almost the same values from 90 degrees to 60 degrees of a vane *** is noted that the distorted inlet velocity generated in the small vane angle makes performance deterioration of the turbo blowers due to the local leading edge separation and the following non-uniform blade loading.

关键词： Turbo Blower Inlet Vane Refuse Collection System Efficiency Numerical Simulation

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Iridium oxide fabrication and application: A review

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Journal of Energy Chemistry 2020年第7期29卷 152-172,I0005页

作者： Hansaem jang Jaeyoung Lee Electrochemical Reaction&Technology Laboratory(ERTL) School of Earth Sciences and Environmental EngineeringGwangju Institute of Science and Technology(GIST)Gwangju 61005Republic of Korea Ertl Center for Electrochemistry and Catalysis GRIGISTGwangju 61005Republic of Korea

Despite the scarcity and cost of iridium oxide,it is still the material of choice in numerous fields of science and applications,including capacitors,electrochromism,sensors,and various oxidation electrocatalysis(e.g.,chlorine evolution reaction,detoxification,and oxygen evolution reaction).Such versatility is attributed to the distinct features of iridium oxides,such as their activity,biocompatibility,conductivity,and *** features and properties of iridium oxides are strongly dependent on the fabrication *** this review,methodologies relating to the synthesis and fabrication of solid-state iridium oxides have been thoroughly collected and *** and crystallization techniques for iridium oxides are also *** the end of the review,the effects of utilizing a certain fabrication method on the characteristics of the iridium oxide product are recapitulated,together with the recommended application of the product in various fields.

关键词： Iridium oxide Iridium dioxide Electrode Electrocatalyst Electrochromism pH sensor Oxygen evolution reaction

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Schottky barrier modulation of bottom contact SnO_(2) thin-film transistors via chloride-based combustion synthesis

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Journal of Materials Science & Technology 2023年第17期148卷 199-208页

作者： Bongho jang Junhee Lee Hongki Kang Jaewon jang Hyuk-Jun Kwon Department of Electrical Engineering and Computer Science DGISTDaegu 42988South Korea School of Electronic and Electrical Engineering Kyungpook National UniversityDaegu 41566South Korea School of Electronics Engineering Kyungpook National UniversityDaegu 41566South Korea Convergence Research Advanced Centre for Olfaction DGISTDaegu 42988South Korea

The enhanced carrier flow at the interface between Au and SnO_(2)semiconductors,which initially form Schottky contacts,is realized using chloride-based combustion ***-based combustion sys-tems can achieve chlorine(Cl)doping effects as well as conversion to crystalline SnO_(2)films at clearly lower temperatures(∼250℃)than conventional *** to the Cl doping effect,the high carrier concentration can induce thin potential barriers at the metal/semiconductor(MS)junctions,resulting in carrier injection by *** a result,compared to conventional SnO_(2)thin-film transistors,the de-vices fabricated by combustion synthesis exhibit significantly improved electrical performance with field-effect mobility of 6.52 cm 2/Vs(∼13 times),subthreshold swing of 0.74 V/dec,and on/offratio of∼10^(7)below 300℃.Furthermore,because of the enhanced tunneling carriers induced by the narrowed barrier width,the Schottky barriers are significantly reduced from 0.83 to 0.29 eV(65%decrease)at 250℃and from 0.42 to 0.17 eV(60%decrease)at 400℃.Therefore,chloride-based combustion synthesis can con-tribute to developing SnO_(2)-based electronics and flexible devices by achieving both high-quality oxide films and improved current flow at the MS interface with low-temperature annealing.

关键词： SnO_(2) Combustion Sol-gel Schottky contact Thin-film transistors

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Stable switching behavior of low-temperature ZrO_(2)RRAM devices realized by combustion synthesis-assisted photopatterning

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Journal of Materials Science & Technology 2024年第22期189卷 68-76页

作者： Bongho jang Junil Kim Jieun Lee Jaewon jang Hyuk-Jun Kwon Department of Electrical Engineering and Computer Science DGISTDaegu 42988Korea School of Electronic and Electrical Engineering Kyungpook National UniversityDaegu 41566Korea School of Electronics Engineering Kyungpook National UniversityDaegu 41566Korea Convergence Research Advanced Centre for Olfaction DGISTDaegu 42988Korea

We have realized efficient photopatterning and high-quality ZrO_(2)films through combustion synthesis and manufactured resistive random access memory(RRAM)devices with excellent switching stability at low temperatures(250℃)using these *** synthesis reduces the energy required for oxide conversion,thus accelerating the decomposition of organic ligands in the UV-exposed area,and promoting the formation of metal-oxygen networks,contributing to *** analysis confirmed a reduction in the conversion temperature of combustion precursors,and the prepared combustion ZrO_(2)films exhibited a high proportion of metal-oxygen bonding that constitutes the oxide lattice,along with an amorphous ***,the synergistic effect of combustion synthesis and UV/O_(3)-assisted photochemical activation resulted in patterned ZrO_(2)films forming even more complete metal-oxygen *** devices fabricated with patterned ZrO_(2)films using combustion synthesis exhibited excellent switching characteristics,including a narrow resistance distribution,endurance of 103 cycles,and retention for 105 s at 85℃,despite low-temperature *** synthesis not only enables the formation of high-quality metal oxide films with low external energy but also facilitates improved photopatterning.

关键词： ZrO_(2) Combustion Sol-gel RRAM Patterning

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Graphene and MXene-based porous structures for multifunctional electromagnetic interference shielding

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Nano Research 2023年第1期16卷 1387-1413页

作者： Xi Shen jang-Kyo Kim Department of Aeronautical and Aviation Engineering The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong 999077China School of Mechanical and Manufacturing Engineering University of New South WalesSydneyNSW 2052Australia The Research Institute for Sports Science and Technology The Hong Kong Polytechnic UniversityHung HomHong Kong 999077China

Electrically conductive porous structures are ideal candidates for lightweight and absorption-dominant electromagnetic interference(EMI)*** this review,we summarize the recent progress in developing porous composites and structures from emerging two-dimensional(2D)graphene and MXene nanosheets for EMI shielding *** properties contributing to various energy loss mechanisms are probed with a critical discussion on their correlations with EMI shielding *** approaches to constructing bulk porous structures,such as 2D porous films,three-dimensional(3D)aerogels and foams,and hydrogels,are compared to highlight important material and processing parameters required to achieve optimal microstructures.A comprehensive comparison of EMI shielding performance is also carried out to elucidate the effects of different assembly techniques and *** multifunctional applications in adaptive EMI shielding,mechanical force attenuation,thermal management,and wearable devices are introduced,underlining the importance of unique compositions and microstructures of porous *** process–structure–property relationships established in this review would offer valuable guidance and insights into the design of lightweight EMI shielding materials.

关键词： porous composite graphene MXene electrical conductivity electromagnetic interference(EMI)shielding

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Difference in cortical activation during use of volar and dorsal hand splints:a functional magnetic resonance imaging study

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Neural Regeneration Research 2016年第8期11卷 1274-1277页

作者： Sung Ho jang Woo Hyuk jang Department of Physical Medicine and Rehabilitation College of MedicineYeungnam University

There have been no studies reported on the difference in cortical activation during use of volar and dorsal hand *** attempted to investigate the difference in cortical activation in the somatosensory cortical area during use of volar and dorsal hand splints by functional magnetic resonance imaging（f MRI）.We recruited eight healthy volunteers.f MRI was performed while subjects who were fitted with volar or dorsal hand splints performed grasp-release *** of interest were placed on the primary motor cortex（M1）,primary somatosensory cortex（S1）,posterior parietal cortex（PPC）,and secondary somatosensory cortex（S2）.Results of group analysis of f MRI data showed that the total numbers of activated voxels in all ROIs were significantly higher during use of volar hand splint（3,376） compared with that（1,416） during use of dorsal hand *** each ROI,use of volar hand splint induced greater activation in all ROIs（M1：1,748,S1 ：1,455,PPC：23,and S2：150） compared with use of dorsal hand splint（M1：783,S1：625,PPC：0,and S2：8）.The peak activated value was also higher during use of volar hand splint（t-value：17.29） compared with that during use of dorsal hand splint（t-value：13.11）.Taken together,use of volar hand splint induced greater cortical activation relevant to somatosensory function than use of dorsal hand *** result would be important for the physiatrist and therapist to apply appropriate somatosensory input in patients with brain injury.

关键词： nerve regeneration functional MRI hand splint somatosensory function dorsal hand splint volar hand splint neural regeneration

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