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TING-TING ZHANG,TING-TING GUO,ZHI-PING WU,SI-WEI YANG,ZHOU-FENG WANG,FANG LIAO 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2013 NANO Vol.8 No.5
In this paper, a new simple approach has been developed for the preparation of α-Fe2O3 microspheres by a facile hydrothermal method using PVP as a surfactant. Uniform α-Fe2O3 microspheres could be routinely synthesized through solvothermal approach by controlling the PVP/FeCl3⋅6H2O ratio. The as-obtained α-Fe2O3 microspheres exhibit high efficiency on the decolorization of RhB aqueous solution in the presence of H2O2 at room temperature.
Using PCA to detect objects in moving background
Ting Ting Li(이팅팅),Rishu Gupia(리슈),Namseok Choi(최남석),Byung-Gook Lee(이병국) 한국멀티미디어학회 2009 한국멀티미디어학회 학술발표논문집 Vol.2009 No.2
Moving object detection is a basic component of many computer vision applications. It has a critical impact on the performance of visual surveillance and intelligent transportation. This paper proposes an adaptive moving object detection approach that can deal with dynamic scenes. This approach uses PCA to describe the background model. Experimental results demonstrate that the proposed method is able to detect moving objects under various types of dynamic scenarios.
Ting-Ting Li,Fei Sun,Xing Liu,Hua-Ling Wu,Ching-Wen Lou,Jia-Horng Lin 한국섬유공학회 2018 Fibers and polymers Vol.19 No.6
High-modulus PET filaments and thermal bonding are used to reinforce the puncture resistance stability of the insole composite. This study aims to discuss the influences of the amount of low-melting-point polyester fibers (LMPET) and needle densities (ND) on tensile, bursting, and quasi-static puncture resistance properties. Besides, significance of LMPET amount and ND on puncture resistance against flat-head (A), spherical-head (B), and pointed-head (C) probes are in particular investigated to simulate the diversified application environments for insoles. Research result shows that, LMPET amount significantly affects the static puncture resistance against three probes; ND only significantly influences the puncture resistance against Probe A and C. Thermal bonding significantly improves the puncture strength against Probe B with various LMPET amounts of insoles, but evidently increases the puncture resistance against Probe A and C when being punched at various ND. The amount of LMPET fibers has a positive influence on the puncture strength of insoles, and 70 wt% of LMPET provide the average static puncture resistance up to 342.6 N. The high-modulus resultant insoles have advantages of flexibility, ease of process, and bendability with a higher and more stabilized puncture resistances.
Ting-Ting Li,Shuang-Shuang Geng,Hui-Yan Xu,Ao-Lin Luo,Peng-Wei Zhao,Huan Yang,Xing-Wei Liang,Yang-Qing Lu,Xiao-Gan Yang,Ke-Huan Lu 대한수의학회 2020 Journal of Veterinary Science Vol.21 No.1
Currently, the systems for culturing buffalo spermatogonial stem cells (SSCs) in vitro are varied, and their effects are still inconclusive. In this study, we compared the effects of culture systems with undefined (foetal bovine serum) and defined (KnockOut Serum Replacement) materials on the in vitro culture of buffalo SSC-like cells. Significantly more DDX4- and UCHL1-positive cells (cultured for 2 days at passage 2) were observed in the defined materials culture system than in the undefined materials system (p < 0.01), and these cells were maintained for a longer period than those in the culture system with undefined materials (10 days vs. 6 days). Furthermore, NANOS2 (p < 0.05), DDX4 (p < 0.01) and UCHL1 (p < 0.05) were expressed at significantly higher levels in the culture system with defined materials than in that with undefined materials. Induction with retinoic acid was used to verify that the cultured cells maintained SSC characteristics, revealing an SCP3+ subset in the cells cultured in the defined materials system. The expression levels of Stra8 (p < 0.05) and Rec8 (p < 0.01) were significantly increased, and the expression levels of ZBTB16 (p < 0.01) and DDX4 (p < 0.05) were significantly decreased. These findings provided a clearer research platform for exploring the mechanism of buffalo SSCs in vitro.
Ting-Ting Sun,Xin-Lei Liang,He-Yun Zhu,Xu-Ling Peng,Xing-Jie Guo,Long-Shan Zhao 고려인삼학회 2016 Journal of Ginseng Research Vol.40 No.3
Background: Among the various ginseng strains, Shizhu ginseng is endemic to China, mainly distributed in Kuandian Manchu Autonomous County (Liaoning Province, China); however, not much is known about the compounds (especially saponins) in Shizhu ginseng. Methods: A rapid, sensitive, and reliable ultra-high performance liquid chromatography coupled with MS/MS (UHPLCeMS/MS) method was developed to separate and identify saponins in Shizhu ginseng. Results: The separation was carried out on a Waters ACQUITY UPLC BEH C18 column (100 mm × 2.1 mm, 1.7 ㎛) with acetonitrile and 0.1% formic acid aqueous solution as the mobile phase under a gradient elution at 40℃. The detection was performed on a Micromass Quattro Micro API mass spectrometer equipped with electrospray ionization source in both positive and negative modes. Under the optimized conditions, a total of 31 saponins were identified or tentatively characterized by comparing retention time and MS data with related literatures and reference substances. Conclusion: The developed UHPLCeMS/MS method was suitable for identifying and characterizing the chemical constituents in Shizhu ginseng, which provided a helpful chemical basis for further research on Shizhu ginseng.
Human Sense-Based Simulation-Experience Model for Interactive Art Production
Ting-Ting Liu,Young-Hoon Lim,Joon-Ki Paik 한국융합학회 2021 한국융합학회논문지 Vol.12 No.11
현대 과학기술의 발전에 따라 예술의 도구도 점차적으로 발전하였다. 다양한 미디어 기술들을 활용한 인터랙티브 아트는 사람들에게 빠르게 전파되었고, 새로운 예술의 형식으로 인식되고 있다. 인터랙티브 아트는 회화나 조각과 같은 전통적인 예술 표현 방식과는 차이가 있다. 관객과 작품 사이의 인터랙션을 통해 예술가, 참여 자와 작품의 사이의 균형을 이루었다. 관객은 작품을 감상하는 것을 넘어서, 작품을 만드는 데 참여할 수 있다. 본 논문은 예술 창작의 관점에서 인간의 감각에 기반한 인터렉티브 아트 제작 기술을 시각적, 청각적, 촉각적 측면 에서 분석하고, 관련 사례들을 결합하여 ‘시뮬레이션-체험’모델을 제안한다. 그리고 제안한 모델을 사용해서 제작 한 ‘Charming’이란 작품을 소개하고, 그 의미를 분석한다. 본 논문은 인간의 감각에 기반한 인터랙티브 아트 제작 기술 분석을 통해 형식의 변화 및 인터랙티브 아트의 미래 발전을 예측하여 예술성, 기술성, 그리고 사회적 영향성 에 적용될 수 있도록 비전을 제시한다. Recent advances in science and technology leveraged various artistic tools. Interactive art based on various media technologies became popular in a short period, and is widely appreciated as a new form of art. This new form of art has a different method of expression from traditional art such as painting or sculpture. It aims to strike a balance among the artist, audience, and piece of art through interaction between the work and viewers. Viewers can take part in the creation process, going beyond the conventional way of art appreciation. This paper analyzes interactive art production techniques based on human senses from the artist’s perspective. “Simulation-experience model” will be suggested after looking at several example artworks. Charming, which was produced based on this model, will be introduced and its meaning will be analyzed. The objective of this paper is to predict the future of interactive art and changes in the art form by studying interactive art production techniques based on human senses. We believe that the prediction is helpful in understanding the artistic and technological value and the social influence of interactive art in the future.
Ting-Ting Li,Wenna Dai,Liwei Wu,Hao-Kai Peng,Xiayun Zhang,Bing-Chiuan Shiu,Jia-Horng Lin,Ching-Wen Lou 한국섬유공학회 2019 Fibers and polymers Vol.20 No.2
In order to deeply explore the fiber characteristics influencing on stab resistance of shear thickening fluid (STF)-impregnated fabrics, two different weaving fabrics, ultra-high molecular weight polyethylene (UHMWPE) fabric and Kevlar fabrics are saturate the various concentrations and particle size of STFs. Result shows that, SiO2/PEG-200 blends demonstrate quick shear-thickening property, and the critical shear rate lowers to 1.2-45 s-1 with higher concentration of 75 nm SiO2. STF concentration and particle size significantly affect spike puncture resistance property, but the knife stab resistance mainly depends on fiber characteristics. Comparatively, STF-UHMWPE composite fabrics exhibit better knife stab resistance but weaker spike puncture resistance than STF-Kevlar fabrics. This study can provide an optimization for structure design of stab resistance armors in the future.