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2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)最新文献

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A visualization study of venting gas via hydrophobic nanoporous membrane 疏水纳米孔膜排气的可视化研究
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196857
Jin‐Cherng Shyu, Sin-Min Dai, Kai-Shing Yang, Chi-Chuan Wang
{"title":"A visualization study of venting gas via hydrophobic nanoporous membrane","authors":"Jin‐Cherng Shyu, Sin-Min Dai, Kai-Shing Yang, Chi-Chuan Wang","doi":"10.1109/NEMS.2012.6196857","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196857","url":null,"abstract":"This study examines the venting gas characteristics in a microchannel through a hydrophobic nanoporous membrane with a pore size of 0.22 μm and a porosity of 70%. A total of three microchannels were made and tested, including a serpentine, a parallel and a contraction-expansion configuration. The mass flux (G) is 5, 7.5 and 10 kg/m2s with the quality (x) ranging from 0 to 0.1. Flow visualization is also performed to observe the bubbles movement under different experimental conditions. The tested results show that the amount of venting gas is strongly related to the contact time and configuration of gas slug and the development of flow pattern in the channel.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115754280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The optimal vibrational shear stress for bovine endothelial cell proliferation 牛内皮细胞增殖的最佳振动剪切应力
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196875
Ching-Wen Li, Jau-Liang Chen, Chia-Ching Wu, Gou-Jen Wang
{"title":"The optimal vibrational shear stress for bovine endothelial cell proliferation","authors":"Ching-Wen Li, Jau-Liang Chen, Chia-Ching Wu, Gou-Jen Wang","doi":"10.1109/NEMS.2012.6196875","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196875","url":null,"abstract":"In this study, a novel method for quantitative analysis of the optimal shear stress for better cell growth using a micro-positioning piezoelectric lead zirconate titanate (PZT) stage is proposed. Compared with the conventional fluidic sheer stress, a micro- positioning PZT stage not only provides cultured cells with laminar flow, but also is able to generate large shear stress gradient by precise reciprocating motions. Bovine endothelial cells (BEC) are than cultured on different scaffolds for investigation of cell proliferation under different vibrational excitations by a PZT stage. The fluorescence labeling is adopted to estimate the adhesive area of a cultured cell. It is observed that cells cultured on different artificial scaffolds adjusted their adhesion area to respond to the shear stress induced stimulus. Optimal growth curves for BECs on different scaffolds are drawn. The optimal shear stress for the proliferation of BECs on different scaffolds is found to be closely identical. It is suggested that a micro-positioning PZT stage may be a more cost and time effective solution than the nanostructured scaffold approach for the enhancement of cell growth.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125837404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Three-dimensional lab-on-a-CD with enzyme-linked immunosorbent assay 三维实验室-酶联免疫吸附测定
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196759
M. Ishizawa, T. Azeta, H. Nose, Y. Ukita, Y. Utsumi
{"title":"Three-dimensional lab-on-a-CD with enzyme-linked immunosorbent assay","authors":"M. Ishizawa, T. Azeta, H. Nose, Y. Ukita, Y. Utsumi","doi":"10.1109/NEMS.2012.6196759","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196759","url":null,"abstract":"This paper reports a new type of lab-on-a-CD device with three-dimensional microchannel networks and vertical capillary bundle structure. The device consist of the multiple lab-on-a-CD chips with conventional planer microchannels and vertical microchannels which constructed on the disks made of poly-dimethylsiloxane (PDMS) and poly-methylmethacrilrate (PMMA). The PMMA layer with vertical channel were fabricated by deep X-ray lithography using synchrotron radiation. We designed and fabricated the chips for aim of taking enzyme-linked immunosorbent assay(ELISA). Three-dimensional liquid transportation through vertical capillary bundle structure is suggested by computational fluid dynamics and it is successfully demonstrated chips. Detection of immunogroblin G(IgG) from mouse is successfully demonstrated in the three-dimensional devices and it is notable that the result suggests quite high-sensitive implying detection limit down to few ng/mL by primitive result.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126834551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and fabrication of flexible parylene-based inductors with electroplated NiFe magnetic core for wireless power transmission system 无线电力传输系统用电镀NiFe磁芯柔性聚苯乙烯电感器的设计与制造
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196765
Xuming Sun, Yang Zheng, Zhongliang Li, Miao Yu, Q. Yuan, Xiuhan Li, Haixia Zhang
{"title":"Design and fabrication of flexible parylene-based inductors with electroplated NiFe magnetic core for wireless power transmission system","authors":"Xuming Sun, Yang Zheng, Zhongliang Li, Miao Yu, Q. Yuan, Xiuhan Li, Haixia Zhang","doi":"10.1109/NEMS.2012.6196765","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196765","url":null,"abstract":"Integrated flexible parylene-based MEMS inductors were successfully designed, fabricated and analyzed. By elctrodeposition technique, Ni80Fe20 Permalloy with high permeability was acquired as the magnetic core to increase the inductance and quality factor of inductors. Using parylene as substrates, these inductors became more flexible and biocompatible. For small scale inductors, by HFSS simulation, a maximum quality factor of 51.52 was achieved at 3.10 GHz. The inductance of inductors with magnetic core was enhanced by 3.3% than those with air core. As the width of the core increased from 25 μm to 100 μm, the inductance was also increased by 11.3% maximally. For large scale inductors fabricated, the tested maximum quality factor was 110 at 6 MHz. Based on the IC compatible fabrication process, these inductors could be used in wireless power transmission system for implantable medical devices.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126865979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Preparation and physicochemical study of liposomes containing nicotinamide 烟酰胺脂质体的制备及理化研究
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196833
N. Langlah, S. Pinsuwan, T. Amnuaikit
{"title":"Preparation and physicochemical study of liposomes containing nicotinamide","authors":"N. Langlah, S. Pinsuwan, T. Amnuaikit","doi":"10.1109/NEMS.2012.6196833","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196833","url":null,"abstract":"This study was undertaken to evaluated preparation and physicochemical properties of liposomes formulations containing nicotinamide (NCM), sixteen different liposomal formulations were prepared using phosphatidylcholine from soybean (SPC), cholesterol (CHO) and Tween80 by modified ethanol injection method. Total lipid ratio of all formulations were varied in rang 20-80 (μmole/ml). All liposomal formulations prepared showed mean particle size of about 430 nm or less. Among the sixteen liposomal formulations prepared, liposomal formulation number 12 showed the best result in the physicochemical properties such as entrapment efficiency, particle size, polydispersity index (PI), and zeta potential. In additional this formulation has been stable when stability studies for 2 month. SPC:CHOL:Tween80 (80 μmole/ml) were composed of liposomal formulation number 12, it has percent entrapment efficiency equal 73.86±0.09 while that in others formulations less than.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"315 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122900928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Proton exchange membranes based on aryl epoxy resin for fuel cells operated at elevated temperatures 基于芳基环氧树脂的高温燃料电池质子交换膜
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196816
Tung-Yuan Lee, Tsung-Cheng Ho, Chia-Jung Chang, Pen-Cheng Wang, F. Tseng
{"title":"Proton exchange membranes based on aryl epoxy resin for fuel cells operated at elevated temperatures","authors":"Tung-Yuan Lee, Tsung-Cheng Ho, Chia-Jung Chang, Pen-Cheng Wang, F. Tseng","doi":"10.1109/NEMS.2012.6196816","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196816","url":null,"abstract":"This paper reports the characterization of a new type of low-cost proton exchange membrane (PEM) based on photo-patternable nano porous aryl epoxy resin (npAER) sulfonated by sulfanilic acid. The npAER PEM fabrication process involves solvent-casting nanoporous structure formation combined with standard photolithography steps for microstructure fabrication. The PEM was placed in the cathode of a half-fuel cell for testing in 0.5M H2SO4 at different temperatures with constant oxygen flow. When compared to commercial PEM Nafion®, this npAER PEM exhibits increased current density by about 170% as temperature increased from 60°C to 90°C, while the current density of Nafion® dropped by about 70%. The new npAER PEM demonstrates decent thermal stability, mechanical strength and proton transport ability at a higher temperature (90°C).","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"406 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122109310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use bionic microlens array and CMOS image sensor for three-dimensional motion detection 采用仿生微透镜阵列和CMOS图像传感器进行三维运动检测
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196800
Chung-You Liu, J. Chuang, Ting-Chieh Yu, Kerwin Wang
{"title":"Use bionic microlens array and CMOS image sensor for three-dimensional motion detection","authors":"Chung-You Liu, J. Chuang, Ting-Chieh Yu, Kerwin Wang","doi":"10.1109/NEMS.2012.6196800","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196800","url":null,"abstract":"This paper proposed a novel three dimensional motion detection design. This design consists of a bionic microlens array, which integrates an aberration limited four-lens system and a CMOS image sensor to mimic insect compound eye vision. The microlens array, made from time multiplexed SF6/O2 plasma and PDMS (polydimethylsiloxane)-molding, is directly placed on the top of CMOS image sensor. A LED testing setup is prepared to project referent rays through the artificial ommatidium to the image sensor for 3D motion analysis and characterization. A computational method also has been established to convert sensor image into displacement. Both analysis and experiment results demonstrate that the design can predict the three-dimensional positions with average error less than 2.41%.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128957848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Printed carbon nanotube devices and their applications 印刷碳纳米管器件及其应用
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196705
Z. Cui, Jianwen Zhao, Tingke Zhang
{"title":"Printed carbon nanotube devices and their applications","authors":"Z. Cui, Jianwen Zhao, Tingke Zhang","doi":"10.1109/NEMS.2012.6196705","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196705","url":null,"abstract":"Printed electronics represents a paradigm shift in electronics manufacturing after 50 years of development in silicon microelectronics. Manufacturing of electronic devices by printing can significantly reduce the equipment investment which is nowadays astronomical in the latest generation of very large scale integrated circuits manufacturing. Printing is an additive process where electronic materials are printed layer by layer to form the final device structure, which is independent of the properties of substrate materials. Such a feature enables electronic devices to be made on flexible substrate, such as plastic or paper, and of much larger size than a silicon wafer. In this paper, development in formulation of single-wall carbon nanotubes ink and printing of field effect transistors are reported. A simple and scalable method to print high performance thin-film transistors (TFTs) with high yield by an aerosol jet printer has been developed, using water-based and chemically functionalized single-wall carbon nanotube inks as the semiconducting layer.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"185 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129079107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Scanning electron beam induced deposition for conductive tip modification 扫描电子束诱导沉积用于导电尖端改性
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196836
P. Chen, James Su, M. Shiao, M. Chang, C. H. Lee, Cheewee Liu
{"title":"Scanning electron beam induced deposition for conductive tip modification","authors":"P. Chen, James Su, M. Shiao, M. Chang, C. H. Lee, Cheewee Liu","doi":"10.1109/NEMS.2012.6196836","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196836","url":null,"abstract":"In this study, we have developed conductive tips with high aspect ratio and good sharpness by scanning electron beam induced deposition (SEBID) method. The structure and morphology of modified conductive tips were performed by analytical transmission electron microscopy (TEM) methods. Atomic force microscope (AFM), scanning Kelvin probe microscopy (SKPM) and electrostatic force microscopy (EFM) analysis were done by using these modified tips and compared to standard commercially scanning probe microscopy (SPM) probes. The SEBID modified tips demonstrate signals with smaller full-width at half-maximum (FWHM) value in EFM measurements. The prepared tips could provide high spatial resolution and high stability to avoid a perturbation of the sensor characterization due to the sample's stray field.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123237309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
3D microstructure integrated bioreactor system for transgenic mice thick liver tissue culture 转基因小鼠厚肝组织培养的三维微结构集成生物反应器系统
2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2012-03-05 DOI: 10.1109/NEMS.2012.6196746
S. Sivashankar, S. Puttaswamy, Hui-Ling Lin, Shih-Mo Yang, Hung-Po Chen, C. Yeh, Cheng-Hsien Liu
{"title":"3D microstructure integrated bioreactor system for transgenic mice thick liver tissue culture","authors":"S. Sivashankar, S. Puttaswamy, Hui-Ling Lin, Shih-Mo Yang, Hung-Po Chen, C. Yeh, Cheng-Hsien Liu","doi":"10.1109/NEMS.2012.6196746","DOIUrl":"https://doi.org/10.1109/NEMS.2012.6196746","url":null,"abstract":"A bioreactor system with 3-diementional (3D) Poly ethylene glycol diacrylate (PEGDA) structures in the culture-well to provide 3D culturing conditions is proposed here. The culture medium diffused through the tissue cause of the nozzle shaped flow channel at the outlet of each bioreactor and tissue being held between PEGDA microstructures. This helps in delivering the required nutrients to core of the tissue, eliminating the mass transfer problem. Presence of PEGDA based microstructures resulted in better circulation of medium around the liver tissue and mesothelial cells providing 3D microenvironment and to retain intact architecture. The flow rate was 20 μl/min and the flow direction is changed every 12hrs for effective removal of waste products and toxins. Tissues slices of 2mm thick have been cultured for 12 days with 76% viable cells.","PeriodicalId":156839,"journal":{"name":"2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)","volume":"19 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120905594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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