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Yu-Hu Lv(루이후),Lin Cheng(쳉린),Hong-Jun Liu(리홍준),Yuan Yang(양원),Jing-Quan Sun(선징콴) 한국웰니스학회 2019 한국웰니스학회지 Vol.14 No.2
기도 운동이 대학생의 신체구성과 심혈관 기능에 미치는 영향을 평가했다. 방법: 피험자들은 5주 동안 주 3회, 108 동작을 총 1,620회 기도 운동에 참여했다. 결과적으로 피험자 사지와 몸통의 체지방률이 감소했으며(P<0.05), 오른쪽 상지를 제외하고 뚜렷한 통계적 차이를 보였다(P<0.05). 근육량은 증가하였으며, 왼쪽 하체가 유의하게 높아졌다(P<0.05). 심근사용률, 심근혈액공급률, 혈관수용성, 혈액량효율성, 미세순환률은 증가하였으나 통계적으로 유의하지 않았다. MOCI, MOC, CMBN, MSP, MDP, MAP, TPR, SPR, VEF, WBV, RWBV, MHUT, ADT 은 모두 떨어졌다. MDP, MAP, RWBV, MHUT, ADT는 유의한 차이를 나타냈다 (P<0.05). 대예배 운동은 대학생의 신체성분을 개선하고, 신체 각 부위의 각 지방의 함량을 줄이고, 근육의 함량을 증가시켰다. 또한 심장혈관과 미세순환 기능을 개선하여 심혈관 기능을 향상시켰다. Objective: To understand the influence of the prayer movement on the body composition and cardiovascular function of college students. Methods: The Subjects were trained for 5 weeks, 3 times a week, with 108 prayer movements each time, and a total of 1620 prayer sessions per week. Results: The fat content of the limbs and trunk decreased, except that of the right upper extremity, while the other limbs and trunk showed significant differences (P<0.05). The muscle content increased, with that of the left lower limb showing significant increase. (P<0.05). The heart muscle utilization rate(HMUR), myocardial blood supply rate (MBSR), vascular compliance(VC), effective blood volume(EBV), and micro-circulation half update rate(MHUR) were increased, but they did not show significant difference. Other levels such as myocardial oxygen consumption index(MOCI), myocardial oxygen consumption(MOC), myocardial blood requirements(CMBN), mean systolic pressure(MSP), mean diastolic pressure(MDP), mean arterial pressure(MAP), total peripheral resistance(TPR), standard peripheral resistance(SPR), left ventricular ejection fraction(VEF), whole blood viscosity(WBV), reduced whole blood viscosity(RWBV), micro-circulation half update time(MHUT), and average detention time(ADT) were all declined. Among them, MDP, MAP, RWBV, MHUT, and ADT showed significant difference(P<0.05). Conclusion: For college students, the prayer movement can improve body composition, reduce the fat content in various parts of the body, increase the muscle content, improve the cardiovascular and micro-circulation functional status, and enhance the cardiovascular functions.
Yu, Jing,Zhou, Quan-Yong,Zhu, Meng-Jin,Li, Chang-Chun,Liu, Bang,Fan, Bin,Zhao, Shu-Hong Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.5
FoxO1, FoxO3a and FoxO4 belong to the FoxO gene family, which play important roles in the PI3K/PKB pathway. In this study, we cloned the porcine FoxO1, FoxO3a and FoxO4 sequences and assigned them to SSC11p11-15, SSC1p13 and SSC xq13 using somatic cell hybrid panel (SCHP) and radiation hybrid panel (IMpRH). RT-PCR results showed that these three genes are expressed in multiple tissues. Sequencing of PCR products from different breeds identified a synonymous T/C polymorphism in exon 2 of FoxO3a. This FoxO3a single nucleotide polymorphism (SNP) can be detected by AvaII restriction enzyme. The allele frequencies of this SNP were investigated in Dahuabai, Meishan, Tongcheng, Yushan, Large White, and Duroc pigs. Association of the genotypes with growth and carcass traits showed that different genotypes of FoxO3a were associated with carcass length and backfat thickness between 6th and 7th ribs (BTR) and drip loss (p<0.05).
Preparation and properties of cement based piezoelectric composites modified by CNTs
Hong-Yu Gong,Yu-Jun Zhang,Jing Quan,Songwei Che 한국물리학회 2011 Current Applied Physics Vol.11 No.3
In this study, cement based piezoelectric composites have been prepared from Portland cement with the addition of 70 vol.% of PZT powders and various amounts of modified CNTs ranging from 0 to 1.3 vol.%. The CNTs act as a conductive filler dispersed in the cement matrix, improving the poling efficiency of the composites and enabling the poling process to be carried out at room temperature, in contrast to the 120 ℃ required for the PZT/cement composites without CNTs. The addition of CNTs significantly enhanced the piezoelectric properties of the composites. With a CNT content of 0.3 vol.%, the CNTs/PZT/cement composite showed the highest piezoelectric strain factors (d_33) of 62 pC/N and piezoelectric voltage factors (g_33) 60 × 10^-3 Vm/N, which are the promising characteristics for its potential use in the smart civil engineering structures.
Zu-Quan Hu,He-Ping Li,Jin-Long Liu,Sheng Xue,An-Dong Gong,Jing-Bo Zhang,Yu-Cai Liao 한국생물공학회 2016 Biotechnology and Bioprocess Engineering Vol.21 No.1
Fumonisins produced by Fusarium pathogens are mycotoxins present in maize and other grains in the field as well as during storage worldwide and pose a serious threat to humans and domestic animals. Fumonisin B consists of different chemotypes, and fumonisin B1 (FB1) is the most predominant fumonisin found in food/feed commodities. Recombinant antibody can be deployed to analyze the fumonisin toxicological mechanism and develop a simple and cost-effective method for the detection of fumonisins, which is vitally important for monitoring and preventing fumonisins from entering food/feed chains. In this study, FB1 conjugated to keyhole limpet hemocyanin was used to immunize mice, from which RNA was isolated to construct a recombinant antibody library. Successive panning of the library by phage display was used to select monoclonal phage clones reactive to FB1 conjugated to bovine serum albumin. Subsequent phage ELISA and sequencing analyses revealed four different reactive scFv antibodies specific to FB1. Soluble expression and ELISA analysis showed that one scFv antibody, FBMA1, had the highest reactivity and could be purified from bacterial cells in large quantities. Surface plasmon resonance measurements further revealed that the FBMA1 scFv antibody had a binding kinetics of KD = 1.89 × 10–7 M. Molecular modeling and docking analyses suggested that the FBMA1 antibody shaped a proper cavity to embed the whole FB1 molecule and that a steady-state complex was formed relying on intermolecular forces, including hydrogen bonding, electrostatic force and hydrophobic interactions. Thus, the scFv antibody can be applied for mechanistic studies of intermolecular interactions and fumonisin toxicity, and for the development of an immunoassay for fumonisin-contaminated food/feed samples.
Gao Chen,Jing-Quan Lin,Yu-Jun Yang 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.58 No.4
We investigate the influence of an attosecond pulse on the high-order harmonic spectra generated from a stretched diatom molecule subjected to a mid-infrared femtosecond pulse by numerically solving the one-dimensional time-dependent Schrödinger equation. We show that, by adding a 750 attosecond pulse with wavelength of 76 nm to a five-cycle mid-infrared femtosecond pulses with wavelength of 1600 nm, the harmonic efficiencies are effectively enhanced compared with the case of only one mid-infrared femtosecond pulse; meanwhile, the enhanced harmonic efficiencies exhibit an obvious feature of a relative phase dependence between the two pulses. The harmonic efficiencies are enhanced overall by 2 - 3 orders of magnitude when the relative phase of the two pulses is set as φ = 2T + 0.3T (T is the oscillation period of the mid-infrared pulse), and the harmonic efficiencies near the second cutoff position of I_p + 5.6U_p are enhanced over 4 orders of magnitude when the relative phase is set as φ = 2T. This result indicates that frequency-selected enhancement can be realized by adjusting the relative phase of the two pulses. The reason for relative-phase-dependent structure of the spectra is discussed in detail by using the four main mechanisms of harmonic generation in molecules and the property of atomic ionization.
Li, Dan,Quan, He Xiu,Wen, Jin-Fu,Jin, Jing-Yu,Park, Sung-Hun,Kim, Sun-Young,Kim, Sung-Zoo,Cho, Kyung-Woo The Korean Society of Pharmacology 2005 The Korean Journal of Physiology & Pharmacology Vol.9 No.2
It is not clear whether $Ca^{2+}-induced$ $Ca^{2+}$ release from the sarcoplasmic reticulum (SR) is involved in the regulation of atrial natriuretic peptide (ANP) release. Previously, we have shown that nifedipine increased ANP release, indicating that $Ca^{2+}$ entry via voltage-gated L-type $Ca^{2+}$ channel activation decreases ANP release. The purpose of the present study was two-fold: to define the role of SR $Ca^{2+}$ release in the regulation of ANP release and whether $Ca^{2+}$ entry via L-type $Ca^{2+}$ channel is prerequisite for the SR-related effect on ANP release. Experiments were performed in perfused beating rabbit atria. Ryanodine, an inhibitor of SR $Ca^{2+}$ release, increased atrial myocytic ANP release ($8.69{\pm}3.05$, $19.55{\pm}1.09$, $27.31{\pm}3.51$, and $18.91{\pm}4.76$% for 1, 2, 3, and $6{\mu}M$ ryanodine, respectively; all P<0.01) with concomitant decrease in atrial stroke volume and pulse pressure in a dose-dependent manner. In the presence of thapsigargin, an inhibitor of SR $Ca^{2+}$ pump, ryanodine-induced increase in ANP release was not observed. Thapsigargin attenuated ryanodine-induced decrease in atrial dynamic changes. Blockade of L-type $Ca^{2+}$ channel with nifedipine abolished ryanodine-induced increase in ANP release ($0.69{\pm}5.58$% vs. $27.31{\pm}3.51$%; P<0.001). In the presence of thapsigargin and ryanodine, nifedipine increased ANP release and decreased atrial dynamics. These data suggest that $Ca^{2+}$-induced $Ca^{2+}$ release from the SR is inversely involved in the regulation of atrial myocytic ANP release.