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q-analogues of some results for the Apostol-Euler polynomials
Qiu-Ming Luo 장전수학회 2010 Advanced Studies in Contemporary Mathematics Vol.20 No.1
We investigate some bacic properties and the generating functions of q-Apostol-Euler polynomials of higher order. Several interesting relationships between the q-Apostol-Euler polynomials and q-Hurwitz-Lerch Zeta function are obtained. We also try to give some conjectures concerning the multiplication formulas of q-Apostol-Euler polynomials of higher order.
An Increase in Synaptic NMDA Receptors in the Insular Cortex Contributes to Neuropathic Pain
Qiu, Shuang,Chen, Tao,Koga, Kohei,Guo, Yan-yan,Xu, Hui,Song, Qian,Wang, Jie-jie,Descalzi, Giannina,Kaang, Bong-Kiun,Luo, Jian-hong,Zhuo, Min,Zhao, Ming-gao AAAS 2013 Science signaling Vol.6 No.275
<P><B>Stopping the Pain</B></P><P>Damage to the central or peripheral nervous system can trigger the development of neuropathic pain, which can manifest as painful sensations in response to stimuli that are not normally painful. Qiu <I>et al.</I> found that mice that had developed neuropathic pain after peripheral nerve injury showed changes in synaptic plasticity and increased abundance of synaptic NMDA receptors in the insular cortex, a region of the brain that is activated by acute and chronic pain. Using pharmacological inhibitors and transgenic mice, they mimicked these changes in vitro with insular cortical slices and thus identified the signaling pathway responsible. Mice injected with NMDA receptor inhibitors showed reduced behavioral signs of neuropathic pain after peripheral nerve injury. Thus, blocking NMDA receptor function in the insular cortex may prevent the development of neuropathic pain.</P>
Characteristics of Pre-alloyed Powders for Diamond Tools
Luo Xi-Yu,Ma Hong-Qiu,Kuang Xing,Huang Man,Tang Ming-Qiang 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
In this paper, the fundamental attributes, phase composition of three pre-alloyed powders for diamond tools by water atomization were investigated. The density, hardness, bend strength and bending modulus of their hot pressing samples were examined. The results showed that the three pre-alloyed powders have excellent low temperature sintering characteristics. The physical and mechanical properties of the samples were found to be nearly the same as those of fine cobalt powders.
Qiu-Yan Chen,Qing-Nan Tang,Lin-Quan Tang,Wen-Hui Chen,Shan-Shan Guo,Li-Ting Liu,Chao-Feng Li,Yang Li,Yu-Jing Liang,Xue-Song Sun,Ling Guo,Hao-Yuan Mo,Rui Sun,Dong-Hua Luo,Yu-Ying Fan,Yan He,Ming-Yuan C 대한암학회 2018 Cancer Research and Treatment Vol.50 No.3
Purpose The measuring Epstein-Barr virus (EBV) DNA is an important predictor of nasopharyngeal carcinoma (NPC). This study evaluated the predictive value of pretreatment serum amyloid A (SAA) and C-reactive protein (CRP) comparing with EBV DNA in patients with NPC. Materials and Methods In an observational study of 419 non-metastatic NPC patients, we prospectively evaluated the prognostic effects of pretreatment SAA, CRP, and EBV DNA on survival. The primary endpoint was progress-free survival (PFS). Results The median level of SAA and CRP was 4.28 mg/L and 1.88 mg/L, respectively. For the high- SAA group (> 4.28 mg/L) versus the low-SAA ( 4.28 mg/L) group and the high-CRP group (> 1.88 mg/L) versus the low-CRP ( 1.88 mg/L) group, the 5-year PFS was 64.5% versus 73.1% (p=0.013) and 65.2% versus 73.3% (p=0.064), respectively. EBV DNA detection showed a superior predictive result, the 5-year PFS in the EBV DNA 1,500 copies/mL group was obviously different than the EBV DNA < 1,500 copies/mL group (62.2% versus 77.8%, p < 0.001). Multifactorial Cox regression analysis confirmed that in the PFS, the independent prognostic factors were including EBV DNA (hazard ratio [HR], 1.788; p=0.009), tumour stage (HR, 1.903; p=0.021), and node stage (HR, 1.498; p=0.049), but the SAA and CRP were not included in the independent prognostic factors. Conclusion The results of SAA and CRP had a certain relationship with the prognosis of NPC, and the prognosis of patients with high level of SAA and CRP were poor. However, the predictive ability of SAA and CRP was lower than that of EBV DNA.
Highly Oriented Monolayer Graphene Grown on a Cu/Ni(111) Alloy Foil
Huang, Ming,Biswal, Mandakini,Park, Hyo Ju,Jin, Sunghwan,Qu, Deshun,Hong, Seokmo,Zhu, Zhili,Qiu, Lu,Luo, Da,Liu, Xiaochi,Yang, Zheng,Liu, Zhongliu,Huang, Yuan,Lim, Hyunseob,Yoo, Won Jong,Ding, Feng,Wa American Chemical Society 2018 ACS NANO Vol.12 No.6
<P>Fast-growth of single crystal monolayer graphene by CVD using methane and hydrogen has been achieved on “homemade” single crystal Cu/Ni(111) alloy foils over large area. Full coverage was achieved in 5 min or less for a particular range of composition (1.3 at.% to 8.6 at.% Ni), as compared to 60 min for a pure Cu(111) foil under identical growth conditions. These are the bulk atomic percentages of Ni, as a superstructure at the surface of these foils with stoichiometry Cu<SUB>6</SUB>Ni<SUB>1</SUB> (for 1.3 to 7.8 bulk at.% Ni in the Cu/Ni(111) foil) was discovered by low energy electron diffraction (LEED). Complete large area monolayer graphene films are either single crystal or close to single crystal, and include folded regions that are essentially parallel and that were likely wrinkles that “fell over” to bind to the surface; these folds are separated by large, wrinkle-free regions. The folds occur due to the buildup of interfacial compressive stress (and its release) during cooling of the foils from 1075 °C to room temperature. The fold heights measured by atomic force microscopy (AFM) and scanning tunneling microscopy (STM) prove them to all be 3 layers thick, and scanning electron microscopy (SEM) imaging shows them to be around 10 to 300 nm wide and separated by roughly 20 μm. These folds are always essentially perpendicular to the steps in this Cu/Ni(111) substrate. Joining of well-aligned graphene islands (in growths that were terminated prior to full film coverage) was investigated with high magnification SEM and aberration-corrected high-resolution transmission electron microscopy (TEM) as well as AFM, STM, and optical microscopy. These methods show that many of the “join regions” have folds, and these arise from interfacial adhesion mechanics (they are due to the buildup of compressive stress during cool-down, but these folds are different than for the continuous graphene films-they occur due to “weak links” in terms of the interface mechanics). Such Cu/Ni(111) alloy foils are promising substrates for the large-scale synthesis of single-crystal graphene film.</P> [FIG OMISSION]</BR>
Lu Ming,Li Min,Luo Tao,Li Yongsui,Wang Mingxin,Xue Huashi,Zhang Mengchen,Chen Qiu 대한독성 유전단백체 학회 2023 Molecular & cellular toxicology Vol.19 No.3
Background Treating large-volume bone defects (LVBD) remains a challenge for orthopedics and maxillofacial surgeons globally. Objective The present study was to aimed investigate the role of Beta-naphthofl avone (BNF) a synthetic fl avonoid on differentiation of osteoblast of human adipose derived stem cells. Results BNF at 1 μM showed a signifi cantly increased ALP activity and rate of cell proliferation compared to control on the 3rd, 7th and 14th day. Also, it was observed that, BNF at 1 μM resulted in signifi cantly increased expression of BSP. On the 14th day of treatment, BNF at all the three treatments resulted in increased levels of OCN. Also, extracellular matrix mineralization levels were recorded to be highest for BNF 1 μM. The levels of Runx2 were higher in 1 μM treated group on the 3rd day compared to other, whereas in contrast the levels were lower on the 7th and 14th day compared to control. BNF at all the three treatments caused a signifi cant decrease in levels of pSTAT3, C/EBP-α and PPAR-γ levels. Conclusion BNF treatment resulted in increased diff erentiation of osteoblast of hASCs by targeting STAT3 pathway.
Feng Qi,Qiu-Ming Luo,Bai-Ni Guo 한국수학교육학회 2004 純粹 및 應用數學 Vol.11 No.3
In this article, using the L'Hospital rule, mathematical induction, the trigonometric power formulae and integration by parts, some integral formulae for the improper integrals R1 0 [sin2m(��x)]=(x2n)dx and R1 0 [sin2m+1(��x)]=(x2n+1)dx are established, where m ¸ n are all positive integers and �� 6= 0.