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International Workshop on Wearable and Implantable Body sensor Networks (BSN)

作者： Rui He Zhi-Pei Huang Lian-Ying Ji Jian-Kang Wu Huihui Li Zhi-Qiang Zhang Sensor Networks and Applications Research Center University of the Chinese Academy of Sciences Beijing China Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen China School of Electronic and Electrical Engineering University of Leeds Leeds U.K.

ISBN: (纸本)9781509030880

Ambulatory blood pressure is critical in predicting some major cardiovascular events; therefore, cuff-less and noninvasive beat-to-beat ambulatory blood pressure measurement is of great significance. Machine-learning methods have shown the potential to derive the relationship between physiological signal features and ABP. In this paper, we apply random forest method to systematically explorer the inherent connections between photoplethysmography signal, electrocardiogram signal and ambulatory blood pressure. To archive this goal, 18 features were extracted from PPG and ECG signals. Several models with most significant features as inputs and beat-to-beat ABP as outputs were trained and tested on data from the Multi-Parameter Intelligent Monitoring in Intensive Care II database. Results indicate that compared with the common pulse transit time method, the RF method gives a better performance for one-hour continuous estimation of diastolic blood pressure and systolic blood pressure under both the Association for the Advancement of Medical Instrumentation and British Hyper-tension Society standard.

关键词： Decision support systems

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Angle Independent Fano Resonances in Bioinspired Nanostructured Fabry-Pérot sensors

Angle Independent Fano Resonances in Bioinspired Nanostructu...

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Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim)

作者： Daniel Assumpcao Radwanul Siddique Vinayak Narasimhan Hyuck Choo 1200 E. California Blvd. MC 136-93 California Institute of Technology Pasadena California USA Image Sensor Lab Samsung Advanced Institute of Technology (SAIT) Samsung Semiconductor Inc. 2 N Lake Ave #240Pasadena CA USA Device Lab Device & System Research Center Samsung Advanced Institute of Technology (SAIT) Suwon Republic of Korea

The utility of Fabry-Pérot based optical sensors is limited by their poor readout angle. We numerically demonstrate that adding bioinspired short-range-order nanostructuring to these devices leads to angle-indepe... 详细信息

ISBN: (数字)9781728143330

ISBN: (纸本)9781728152394

关键词： Nanopatterning Interference Lasers and electrooptics Biomembranes Nanoscale devices Fabry-Perot Optical sensors

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Utilization of asian green mussel calcium carbonate as an alternative filler in natural rubber

Utilization of asian green mussel calcium carbonate as an al...

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The 3rd International Congress on advanced Materials（AM2016）

作者： Sarawut Prasertsri Chalika Kaewpruk Pattama Kamturee Panithi Wiroonpochit Sirichai Pattanawanidchai Chutiparn Lertvachirapaiboon Kanet Wongravee Laboratory of Advanced Polymer and Rubber Materials (APRM) Department of Chemistry Faculty of Science Ubon Ratchathani University Natural Rubber Focus Unit National Metal and Materials Technology Center Sensor Research Unit Department of Chemistry Faculty of Science Chulalongkorn University

Every year, over 100,000 tons of Asian green mussel(AGM) shells become an agricultural waste. The AGM shells are composed of thin aragonite calcium carbonate which is very hard and very difficult to be destroyed. Thus, the use of AGM calcium carbonate(AGM-CC) as a filler in natural rubber(NR) exhibits one of the promising applications in environmental remediation. The AGM-CC, which was prepared by a consecutive thermal/chemical treatment, was characterized by X-ray diffraction(XRD) technique comparing to commercial calcium carbonate(CCC) and nano calcium carbonate(NCC). The results showed that the crystal structure of AGM-CC is the aragonite while the others are calcite. After that, the NR compounds filled with different calcium carbonate types were similarly prepared by using an internal mixer and a two-roll mill. The amount of each calcium carbonate type was incorporated from 0, 10, 20, 30 and 40 parts per hundred parts of rubber(phr) in NR compound. The curing characteristics and mechanical properties of the addition of AGM-CC, CCC and NCC in NR were compared. The results show the amount of all types of calcium carbonate, AGM-CC, CCC and NCC, increased, scorch time and cure time of NR compounds slightly decrease, whereas hardness and 100% modulus increase. The maximum values of tensile and tear strengths of all types of calcium carbonate-filled NR compounds are found at 20-30 phr. These show the AGM-CC has the same reinforcing efficiency in natural rubber as CCC and NCC.

关键词： Natural rubber Filler Calcium carbonate Asian green muscle shell

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Plasmonic photothermal therapy of thyroid cancer cells with gold nanorods using thermal image monitoring

Plasmonic photothermal therapy of thyroid cancer cells with ...

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OptoElectronics and Communications Conference, OECC

作者： Chi Woong Jang Yoshie Arai Ji A An Hyun Jung Wonhee Jang Young Min Jhon Sensor System Research Center Korea Institute of Science and Technology Seoul South Korea Department of Life Science Dongguk University Seoul South Korea Advanced Functional Nanohybrid Material Laboratory Department of Chemistry Dongguk University Seoul South Korea

Thermal images were observed while irradiating a laser beam on thyroid cancer cells treated with gold nanorods submerged in phosphate buffered saline. Cancer cells were found to be dead only in the irradiation area.

关键词： Cancer Gold Measurement by laser beam Radiation effects Medical treatment Laser beams Temperature measurement

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Mechanoluminescent hybrids from a natural resource for energy-related applications

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InfoMat 2021年第11期3卷 1272-1284页

作者： Chunfeng Wang Ronghua Ma Dengfeng Peng Xianhu Liu Jing Li Boru Jin Aixian Shan Yu Fu Lin Dong Wenchao Gao Zhong Lin Wang Caofeng Pan Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhenChina CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijingChina Key Laboratory of Materials Processing and Mold(Ministry of Education) Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesKey Laboratory of Material PhysicsMinistry of EducationSchool of Physics and MicroelectronicsZhengzhou UniversityZhengzhouChina Beijing Advanced Innovation Center for Materials Genome Engineering Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface ScienceSchool of Mathematics and PhysicsUniversity of Science and Technology BeijingBeijingChina Department of Civil Engineering Monash UniversityClaytonAustralia

Mechanoluminescent(ML)materials that directly convert mechanical energy into photon emission have emerged as promising candidates for various *** the recent advances in the development of both novel and conventional ML materials,the limited access to ML materials that simultaneously have the attributes of high brightness,low cost,self-recovery,and stability,and the lack of appropriate designs for constructing ML devices represent significant challenges that remain to be addressed to boost the practical application of ML ***,ML hybrids derived from a natural source,waste eggshell,with the aforementioned attributes are *** introduction of the eggshell not only enables the preparation of the hybrid in a simple and cost-effective manner but also contributes to the homochromatism(red,green,or blue emission),high brightness,and robustness of the resultant ML *** significant properties of the ML hybrids,together with the proposed structural design,such as porosity or core–shell structure,could expedite a series of mechanic-optical applications,including the self-luminous shoes for the conversion of human motions into light and light generators that efficiently harvest water wave *** fascinating properties,versatile designs,and the efficient protocol of“turning waste into treasure”of the ML hybrids represent significant advances in ML materials,promising a leap to the practical applications of this flouring material family.

关键词： blue energy harvesting eggshell waste mechanoluminescent hybrids smart sensing

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基于摩擦伏特效应的超滑表征技术

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Science Bulletin 2024年第9期69卷 1197-1201页

作者：王昭政高凯冯源曹杰宫礼坤范贝贝张毅解国新张弛 CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China State Key Laboratory of Tribology in Advanced Equipment Tsinghua UniversityBeijing 100084China School of Nanoscience and Engineering University of Chinese Academy of SciencesBeijing 100049China School of Electrical&Electronic Engineering Nanyang Technological UniversitySingapore 639798Singapore Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004China Institute of Intelligent Flexible Mechatronics Jiangsu UniversityZhenjiang 212013China Institute of New Materials and Advanced Manufacturing Beijing Academy of Science and TechnologyBeijing 100084China

Friction occurs in our daily lives, and statistics have shown that it consumes approximately 1/3 of the primary energy. In addition,mechanical interface friction significantly impacts the efficiency,noise, accuracy, corrosion, reliability, and operational lifespans of equipment. Several studies have revealed various methods for reducing the coefficient of friction (COF) to the superlubricity state(COF <0.01) through efficient lubrication technology.

关键词： friction corrosion energy.

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Electrochemical formation of ‘synthetic receptors’ based on conducting polymers

Electrochemical formation of ‘synthetic receptors’ based o...

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International Conference on Nanomaterials in Biomedical Application and Biosensors, NAP 2019

作者： Ramanavicius, A. Tereshchenko, A. Plikusiene, I. Ratautaite, V. Deshmukh, M.A. Smyntyna, V. Oztekin, Ya. Bubniene, U. Ramanaviciene, A. Department of Physical Chemistry Faculty of Chemistry and Geosciences Vilnius University Vilnius Lithuania Laboratory of Nanotechnology State Research Institute Center for Physical Sciences and Technology Vilnius Lithuania Faculty of Chemistry and Geosciences NanoTechnas-Centre of Nanotechnology and Material Science Vilnius University Vilnius Lithuania Department of Experimental Physics Faculty of Mathematics Physics and Information Technologies Odesa I.I. Mechnikov National University Odesa Ukraine Department of Physics RUSA-Center for Advanced Sensor Technology Dr. Babasaheb Ambedkar Marathwada University AurangabadMaharashtra431 004 India Faculty of Science Department of Chemistry Selcuk University Konya Turkey

ISBN: (纸本)9789811539954

Analysis of pharmaceuticals and biologically active materials recently can be performed by biosensors, which can be based on conducting polymers. Therefore, in this Mini Review some achievements in the synthesis and application of conducting polymer—polypyrrole (Ppy), which is often used in the design of sensors and biosensors, are overviewed. Some perspective methods of conducting polymer synthesis are outlined. Significant attention has been paid to electrochemical, chemical and biochemical synthesis of conducting polymers (CPs), which were developed by authors. The applicability of polypyrrole based functional layers in the design of electrochemical biosensors is overviewed. The adaptability of enzyme— glucose oxidase (GOx), which can be applied as (i) biological recognition element— in the design of glucose biosensors, (ii) a biocatalyst—in the synthesis of some above mentioned conducting polymers, is discussed. Part of biocompatibility related aspects of some conducting polymers are also discussed and some insights in the application of polypyrrole-based coatings for implantable sensors are outlined. © Springer Nature Singapore Pte Ltd. 2020.

关键词： Conducting polymers

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High resolution fluorescence-based temperature sensor for stand-off detection in physiological range

High resolution fluorescence-based temperature sensor for st...

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IEEE sensors

作者： Timothy Kuester Ryan Robucci Hung Lam Govind Rao Yordan Kostov Dept. Computer Science and Electrical Engineering University of Maryland Baltimore County Baltimore MD USA Center for Advanced Sensor Technology and Dept. of Chem. Biochem and Env. Engineering University of Maryland Baltimore County Baltimore MD USA

ISBN: (纸本)9781467346412

Fluorescence ratiometric temperature sensing system for stand-off temperature measurements in the physiological range is presented. It is based on the use of fluorescence dyes and an integrating photodetector system. The system is intended for use in neonatal intensive care units (NICU). It utilizes a measurement and a reference fluorescence dyes encapsulated in a film. Fluorescence is excited using LEDs and the emission is detected using photodiodes equipped with optical band pass filters. The current generated by the photodiodes is integrated and the charge is digitized. The fluorescence intensity is calculated as the difference in the measured intensities when the LED is on or off. The ratio of the two emission intensities depends linearly on the temperature. The system operates under room-light illumination with resolution <0.1℃ at a rate 1 sample per second. It is capable to better suppress the influence of the ambient light intensity as compared with previous camera based systems.

关键词： Fluorescent Dyes Temperature sensor Device Component Photodiodes External prosthesis for sonographic procedure Neonatal Intensive Care Units

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Self-powered technology for next-generation biosensor

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Science Bulletin 2021年第17期66卷 1709-1712,M0003页

作者： Han Ouyang Dongjie Jiang Yubo Fan Zhong Lin Wang Zhou Li CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 100083China Key Laboratory for Biomechanics and Mechanobiology(Ministry of Education) Beijing Advanced Innovation Centre for Biomedical EngineeringSchool of Biological Science and Medical EngineeringBeihang UniversityBeijing 100083China School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049China Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004China

Owing to their potential for diagnosis and remote healthcare monitoring,biosensors are a major research focus for the medical *** general,biosensors contain two key components:a biological component and a physical or chemical transducing *** a typical convergence technology,biosensor integrates the principles and technologies of biology.

关键词：生物传感器自驱动 biosensors

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Structural and optical properties evolution in pressure-induced amorphization of metal-organic framework ZIF-8

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Chinese Optics Letters 2022年第9期20卷 49-54页

作者： Xin Huang Jin He Yiguang Jiang Zhuocheng Chen Xing Duan Long Zhang CAS Key Laboratory of Materials for High Power Laser Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China College of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences(UCAS)Beijing 100049China Hangzhou Institute for Advanced Study UCASHangzhou 310024China School of Materials and Chemistry University of Shanghai for Science and TechnologyShanghai 200093China Center of Advanced Optoelectronic Materials and Devices Key Laboratory of Novel Materials for Sensor of Zhejiang ProvinceCollege of Materials and Environmental EngineeringHangzhou Dianzi UniversityHangzhou 310018China Collaborative Innovation Center of IFSA(CICIFSA) Shanghai Jiao Tong UniversityShanghai 200240China

Zeolitic imidazolate framework-8(ZIF-8),a metal-organic framework(MOF)with a non-centrosymmetric crystal structure,exhibits nonlinear optics(NLO)properties and can act as the nanoporous matrix of guest *** of ZIF-8 can be achieved by pressure or high *** crystalline and amorphous states have their inherent features for optical *** effects of the crystalline-amorphous transition on the structural and optical properties under pressure were investigated in *** leads to the destruction of the ZIF-8 lattice structure,collapse of pores,and the change of spatial symmetry,which in turn alters the NLO properties of ZIF-8 and the luminescence properties of the guest Eu *** results establish the structure–optical properties relationship in the amorphization process and provide new clues in designing novel MOFs optical materials.

关键词： ZIF-8 structure optical properties pressure

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