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Broadband mode converter and multiplexer based on dielectric-loaded plasmonic waveguides
Ying Qiu,Jin Tao,Zichen Liu,Xiang Li 한국물리학회 2020 Current Applied Physics Vol.20 No.2
We theoretically demonstrate a broadband mode converter and multiplexer based on plasmonic waveguides loaded with structured dielectrics. The proposed device can realize conversions between a fundamental TM0 mode and a first order TM1 mode, as well as (de)multiplex them with another TM0 mode. Our design exhibits as wide as 400 nm bandwidth and as short as 6~7 μm coupling length. This work has potential application in high density photonic integrated devices for both computing and communication applications.
Two New α-Pyrones and Other Components from the Cladodes of Opuntia dillenii
Ying Kun Qiu,Yan Yan Zhao,De Qiang Dou,Bi Xia Xu,Ke Liu 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.6
The aqueous ethanolic extract from the fresh cladodes of Opuntia dillenii HAW. was found to show anti-inflammatory activity. Two new α-pyrones, named opuntioside II (1) and opuntioside III (2), were isolated from the extract together with six known compounds. The structures of the new compounds were determined on the basis of chemical and physicochemical evidence.
Effects of Glycinin Basic Polypeptide on Sensory and Physicochemical Properties of Chilled Pork
Ying-Qiu Li,Man Hao,Jie Yang,Hai-Zhen Mo 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.3
Effects of glycinin basic polypeptide (GBP) on sensory and physicochemical properties of pork during chilled storage were investigated. Pork treated with GBP was analyzed periodically for sensory properties, pH, total volatile base nitrogen (TVB-N), α-thiobarbituric acid (TBA), and total viable count (TVC) values. Compared with controls, TBA values of pork treated with GBP did not change. TVB-N, pH, and TVC values of pork showed reductions with increasing concentrations of GBP during 8 days of storage. However, there were increases in sensory scores. TVC values of treated pork showed a positive linear relationship with both pH and TVB-N values. GBP at 0.16 and 0.20% efficiently inhibited bacterial growth, and enhanced chilled pork sensory scores. Therefore, GBP has potential as a pork biological preservative for extension of shelf life during chilled storage.
Two New ${\alpha}$-Pyrones and Other Components from the Cladodes of Opuntia dillenii
Qiu, Ying-Kun,Zhao, Yan-Yan,Dou, De-Qiang,Xu, Bi-Xia,Liu, Ke 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.6
The aqueous ethanolic extract from the fresh cladodes of Opuntia dillenii HAW. was found to show anti-inflammatory activity. Two new ${\alpha}$-pyrones, named opuntioside II (1) and opuntioside III (2), were isolated from the extract together with six known compounds. The structures of the new compounds were determined on the basis of chemical and physicochemical evidence.
Machining mechanism research of glass by discrete element method
Ying Qiu,Meilin Gu,Zhi Wei 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.3
The discrete element method (DEM) is applied to glass micromachining in this study. The indentating, cutting, micro milling processare simulated by the established DEM matching the main mechanical properties of glass in three sets of standard tests. Results show thatthe vertical damage depth is prevented from reaching the final machined surface in cutting process. Tool rake angle is the most remarkablefactor influencing the chip deformation and cutting force. The final machined surface is determined by the minimum cutting thicknessper edge. Different cutting thickness, cutter shape and spindle speed largely affect the mechanism of glass.
Clinical Significance of Basal-like Breast Cancer in Chinese Women in Heilongjiang Province
Liu, Ying,Jiang, Qiu-Ying,Xin, Tao,Cai, Li,Zhao, Chang-Hong Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.6
Background: Our objective was to clarify the clinical and biological characteristics of basal-like breast cancer (BLBC) and non-basal-like breast cancer (TN3BKE) in Heilongjiang. Methods: We examined, by immunohistochemistry, expression of biological markers cytokeratin (CK) 5/6 and epidermal growth factor receptor (EGFR) and B cell specific moloney murine leukemia virus integration site 1( Bmi-1) in triple-negative breast cancer (TNBC). We studied the correlation between BLBC and several factors related to tumor progression, along with its prognostic value. Results: In the 229 cases of operable TNBC, BLBC was detected in 178 (77.7%) and TN3BKE- in 51 (22.2%). There was no significant difference in clinicopathological factors between them, However, BLBC was significantly associated with Bmi-1 expression (P=0.000) and shorter disease-free survival (DFS) (P = 0.045) and overall survival (OS) (P = 0.041). Conclusions: Compared with the non-basal group, patients with BLBC have a high expression of Bmi-1 and a poor prognosis.
Liu, Ying,Zhou, Yan-Dong,Xiao, Yu-Li,Li, Ming-Hua,Wang, Yu,Kan, Xuan,Li, Qiu-Ying,Lu, Jian-Guang,Jin, De-Jun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.7
Background: To examine the expression of cysteine-rich 61 (Cyr61/CCN1) protein in laryngeal squamouscell carcinoma (LSCC) tissues, and its relationship with the tumor epithelial-mesenchymal transition (EMT), invasion, metastasis, and prognosis. Materials and Methods: Immunohistochemistry was used to detect the expressions of Cyr61, Vimentin (Vim), and E-cadherin (E-cad) in 88 cases of LSCC tissues and 30 cases of tumor-adjacent normal tissues. Vim and E-cad were used as mesenchymal and epithelial markers, respectively, to determine the relationship between Cyr61 expression and the EMT of LSCC cells. In addition, clinical and histopathological data were combined to analyze the relationship between the positive-expression rates of Cyr61, Vim and E-cad and LSCC invasion, metastasis and prognosis. Results: In LSCC tissues, Vim expression rate was significantly higher than that of the tumor-adjacent tissues, whereas E-cad expression rate was significantly lower than that of the tumor-adjacent tissues. The Vim expression rate was significantly higher in stages T3 and T4 than in stages T1 and T2 LSCC tissues, whereas E-cad expression rate was significantly lower in stages T3 and T4 than in stages T1 and T2 LSCC tissues. Compared to the group without lymph node metastasis, the Vim expression rate was significantly higher and the E-cad expression rate was significantly lower in the group with lymph node metastasis. The expression rate of Cyr61 was significantly higher in LSCC tissues than in the tumor-adjacent normal tissues. In addition, the Cyr61 expression rate was higher in stages T3 and T4 than in stages T1 and T2 LSCC, and higher in the group with lymph node metastasis than in the group without lymph node metastasis. The Vim expression rate was significantly higher in the Cyr61 positive group than in the Cyr61 negative group, whereas the E-cad expression rate was significantly higher in the Cyr61 negative group than in the Cyr61 positive group. Survival analysis indicated that survival rates of Cyr61 positive, Vim positive and E-cad negative groups were significantly lower than that of Cyr61 negative, Vim negative and E-cad positive groups, respectively. Conclusions: Cyr61 expression is closely associated with LSCC invasion and lymph node metastasis. Overexpression of Cyr61 may induce EMT and therefore leads to LSCC invasion and metastasis and poor prognosis. Cyr61 may become a new maker for clinical prediction of LSCC invasion and metastasis and a new target for LSCC treatment.