Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.1T6-3-5-1
Yuta Kozaki, Kenji Suzuki
Facial paralysis is the loss of voluntary muscle movement on one or both sides of the face inhibits the movement of orbicularis oculus. People with facial paralysis cannot blink which triggers dry eye and it affects the lives of many people. We propose a novel approach for supporting blinking with facial wearable robotic technology. This robot has a novel eyelid gating support mechanism using deformation of elastomer for recreating eye blink, triggered by blink detection on healthy side. We evaluated this system with a healthy participant and indicated the feasibility of eye blink support for people with facial paralysis.
{"title":"Development of Facial Wearable Robot for Supporting Eye Blink","authors":"Yuta Kozaki, Kenji Suzuki","doi":"10.11239/JSMBE.54ANNUAL.1T6-3-5-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.1T6-3-5-1","url":null,"abstract":"Facial paralysis is the loss of voluntary muscle movement on one or both sides of the face inhibits the movement of orbicularis oculus. People with facial paralysis cannot blink which triggers dry eye and it affects the lives of many people. We propose a novel approach for supporting blinking with facial wearable robotic technology. This robot has a novel eyelid gating support mechanism using deformation of elastomer for recreating eye blink, triggered by blink detection on healthy side. We evaluated this system with a healthy participant and indicated the feasibility of eye blink support for people with facial paralysis.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75470722","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.1T6-2-2-1
Takuya Nishikawa, K. Saku, Takafumi Sakamoto, Yasuhiro Oga, T. Tohyama, T. Kishi, K. Sunagawa
Although the dynamic mechanical properties such as arterial compliance (C) have been shown to predict increased mortality in patients with pulmonary arterial hypertension (PAH), a simple static index, i.e., pulmonary arterial resistance (R) has been exclusively used in clinical settings. We examined how a Rho-kinase inhibitor, fasudil, that is known to suppress vasoconstriction, affects pulmonary artery input impedance (Z) in Sugen/Hypoxia (SuHx) PAH in rats. We measured Z before PAH induction (Normal), and re-measured before/after fasudil injection (10 mg/kg) (PAH/Fasudil). PAH increased R while Fasudil decreased R (Normal: 16.3±2.6, PAH: 56.5±6.9, Fasudil: 39.9±5.2 mmHg/ml/sec, p<0.01). In contrast, PAH decreased C while Fasudil increased C (Normal: 3.6±0.6, PAH: 1.8±0.4, Fasudil: 2.5±0.8 ×103 ml/mmHg, p<0.01). We conclude that the pulmonary arterial impedance may serve as a new tool in analyzing vascular mechanics to assess the severity or the drug efficacy in PAH patients.
{"title":"Rho-kinase inhibitor decreased pulmonary artery resistance, whereas increased compliance in a rat model of pulmonary hypertension","authors":"Takuya Nishikawa, K. Saku, Takafumi Sakamoto, Yasuhiro Oga, T. Tohyama, T. Kishi, K. Sunagawa","doi":"10.11239/JSMBE.54ANNUAL.1T6-2-2-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.1T6-2-2-1","url":null,"abstract":"Although the dynamic mechanical properties such as arterial compliance (C) have been shown to predict increased mortality in patients with pulmonary arterial hypertension (PAH), a simple static index, i.e., pulmonary arterial resistance (R) has been exclusively used in clinical settings. We examined how a Rho-kinase inhibitor, fasudil, that is known to suppress vasoconstriction, affects pulmonary artery input impedance (Z) in Sugen/Hypoxia (SuHx) PAH in rats. We measured Z before PAH induction (Normal), and re-measured before/after fasudil injection (10 mg/kg) (PAH/Fasudil). PAH increased R while Fasudil decreased R (Normal: 16.3±2.6, PAH: 56.5±6.9, Fasudil: 39.9±5.2 mmHg/ml/sec, p<0.01). In contrast, PAH decreased C while Fasudil increased C (Normal: 3.6±0.6, PAH: 1.8±0.4, Fasudil: 2.5±0.8 ×103 ml/mmHg, p<0.01). We conclude that the pulmonary arterial impedance may serve as a new tool in analyzing vascular mechanics to assess the severity or the drug efficacy in PAH patients.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90581062","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.1OS4-3-5-1
K. Honda, K. Murata, Kun Li, K. Ogawa, Y. Koyanagi, Hiroshi Sato, Ritsu Miura
In healthcare data radio system, it is essential to avoid the communication disconnection when the transmission signal bit error rate (BER) exceeds a specific value. When the BAN antenna is attached at wrist, the polarization characteristics will be varied significantly according to the antenna rotation angle caused by the arm-swing motion. In this paper, the BER characteristic of a weighted-polarization BAN antenna considering human walking motion is measured while the validity of the proposed antenna is verified. At first, a method of BER Over-The-Air (OTA) Testing is proposed, where a fading emulator is utilized for realizing the actual propagation environment. Then, the BER measurement is carried out in considerations of the arm-swing motion using a human phantom. Compared with the conventional antenna, less SNR is required when the weighted-polarization BAN antenna is used to obtain the desired BER, indicating the effectiveness of proposed weighted-polarization antenna for BAN wireless applications.
{"title":"Bit-Error-Rate Over-The-Air Testing of Weighted-Polarization BAN Antenna Using an Arm-Swinging Dynamic Phantom","authors":"K. Honda, K. Murata, Kun Li, K. Ogawa, Y. Koyanagi, Hiroshi Sato, Ritsu Miura","doi":"10.11239/JSMBE.54ANNUAL.1OS4-3-5-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.1OS4-3-5-1","url":null,"abstract":"In healthcare data radio system, it is essential to avoid the communication disconnection when the transmission signal bit error rate (BER) exceeds a specific value. When the BAN antenna is attached at wrist, the polarization characteristics will be varied significantly according to the antenna rotation angle caused by the arm-swing motion. In this paper, the BER characteristic of a weighted-polarization BAN antenna considering human walking motion is measured while the validity of the proposed antenna is verified. At first, a method of BER Over-The-Air (OTA) Testing is proposed, where a fading emulator is utilized for realizing the actual propagation environment. Then, the BER measurement is carried out in considerations of the arm-swing motion using a human phantom. Compared with the conventional antenna, less SNR is required when the weighted-polarization BAN antenna is used to obtain the desired BER, indicating the effectiveness of proposed weighted-polarization antenna for BAN wireless applications.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83389417","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.P2-C06-1
Kaito Saito, T. Uchiyama
The aim of this study was to evaluate muscle stiffness during one cycle of pedaling exercises. Electrical stimulation was applied to the vastus lateralis muscle at various clank angles in a resting state and during pedaling exercises. The angles were -30°, +30°, and +90°. The angle of 0° corresponds to top center of the pedal, and the clockwise direction is positive. A mechanomyogram (MMG) was measured with a capacitor microphone. The MMG system was identified using a singular value decomposition method and the poles of the transfer function were calculated. The poles and mass of the vastus lateralis muscle were used to estimate the muscle stiffness. The muscle stiffness increased as the muscle activity increased. In conclusion, it was suggested that muscle stiffness during pedaling exercises changes depending on muscle activity.
{"title":"Estimation of muscle stiffness during one cycle of pedaling exercises using system identification","authors":"Kaito Saito, T. Uchiyama","doi":"10.11239/JSMBE.54ANNUAL.P2-C06-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.P2-C06-1","url":null,"abstract":"The aim of this study was to evaluate muscle stiffness during one cycle of pedaling exercises. Electrical stimulation was applied to the vastus lateralis muscle at various clank angles in a resting state and during pedaling exercises. The angles were -30°, +30°, and +90°. The angle of 0° corresponds to top center of the pedal, and the clockwise direction is positive. A mechanomyogram (MMG) was measured with a capacitor microphone. The MMG system was identified using a singular value decomposition method and the poles of the transfer function were calculated. The poles and mass of the vastus lateralis muscle were used to estimate the muscle stiffness. The muscle stiffness increased as the muscle activity increased. In conclusion, it was suggested that muscle stiffness during pedaling exercises changes depending on muscle activity.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78707189","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.1T6-3-4-1
Michihiko Fukunaga, Fumiya Ayaka, K. Morimoto
It is important to consider the thigh-calf contact force to analyze the kinetics of a lower limb during deep knee flexion, however, the measured forces have varied very much and difficult to understand systematically. In this study, we considered that the thigh-calf contact force might be estimated by considering not only the individual difference but also the joint angles or the posture of an upper body, and measured the forces and introduced the estimating equation. The test subjects were 6 healthy male, and measured the joint angles and thigh-calf contact force, and performed a multiple regression analysis. As a result, equations to estimate thigh-calf contact force using joint angles and the individual parameter were introduced. The average error of estimation was 0.11BW and the maximum was 0.33BW. It was clearly indicated that the postures of the upper body effected to the thigh-calf contact force.
{"title":"Relation between the thigh-calf contact force and the posture of an upper body at squatting","authors":"Michihiko Fukunaga, Fumiya Ayaka, K. Morimoto","doi":"10.11239/JSMBE.54ANNUAL.1T6-3-4-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.1T6-3-4-1","url":null,"abstract":"It is important to consider the thigh-calf contact force to analyze the kinetics of a lower limb during deep knee flexion, however, the measured forces have varied very much and difficult to understand systematically. In this study, we considered that the thigh-calf contact force might be estimated by considering not only the individual difference but also the joint angles or the posture of an upper body, and measured the forces and introduced the estimating equation. The test subjects were 6 healthy male, and measured the joint angles and thigh-calf contact force, and performed a multiple regression analysis. As a result, equations to estimate thigh-calf contact force using joint angles and the individual parameter were introduced. The average error of estimation was 0.11BW and the maximum was 0.33BW. It was clearly indicated that the postures of the upper body effected to the thigh-calf contact force.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84408183","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.3T4-3-1-1
S. Onogi, T. Ikeda, J. Arata, Susumu Oguri, R. Nakadate, T. Akahoshi, M. Mitsuishi, M. Hashizume
{"title":"Development of intra-operative ultrasound navigation system for laparoscopic liver surgery","authors":"S. Onogi, T. Ikeda, J. Arata, Susumu Oguri, R. Nakadate, T. Akahoshi, M. Mitsuishi, M. Hashizume","doi":"10.11239/JSMBE.54ANNUAL.3T4-3-1-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.3T4-3-1-1","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86513114","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}
Haruki Ishii, A. Hanafusa, Tomohiko Shimizu, K. Ohnishi
{"title":"Development of an EMG measuring system aiming to control upper limb orthosis with reduced discriminant error rate","authors":"Haruki Ishii, A. Hanafusa, Tomohiko Shimizu, K. Ohnishi","doi":"10.11239/JSMBE.54.145","DOIUrl":"https://doi.org/10.11239/JSMBE.54.145","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89161663","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.P2-A07-1
S. Nakagawa, T. Imada, H. Hosoi, A. Meltzoff, P. Kuhl
An infant-friendly earphone using the cartilage conduction for non-invasive functional brain imaging was developed. The earphone was composed of a piezoelectric vibrator that is firmly glued to a flat round brass panel, with a diameter of 35 mm, to amplify the vibration. The earphone can be attached to the baby head cap, and just mildly touched to baby's pinna. Since sounds are conveyed via both airand bone-conduction (mainly osseotympanic emission) pathways by the earphone, the enhancement of low frequency component is expected by the occlusion of the ear canal. Clear auditory evoked MEG responses were obtained from awake babies (6-month-old and 8-month-old) as well as adults, using our first prototype flat-panel earphone. Also, the babies did not dislike to wear the developed earphone at all. The earphone enables an experiment of dichotic listening that was quite difficult for awake babies.
{"title":"Development of an infant-friendly flat-panel earphone for non-invasive functional brain imaging on awake babies using cartilage conduction","authors":"S. Nakagawa, T. Imada, H. Hosoi, A. Meltzoff, P. Kuhl","doi":"10.11239/JSMBE.54ANNUAL.P2-A07-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.P2-A07-1","url":null,"abstract":"An infant-friendly earphone using the cartilage conduction for non-invasive functional brain imaging was developed. The earphone was composed of a piezoelectric vibrator that is firmly glued to a flat round brass panel, with a diameter of 35 mm, to amplify the vibration. The earphone can be attached to the baby head cap, and just mildly touched to baby's pinna. Since sounds are conveyed via both airand bone-conduction (mainly osseotympanic emission) pathways by the earphone, the enhancement of low frequency component is expected by the occlusion of the ear canal. Clear auditory evoked MEG responses were obtained from awake babies (6-month-old and 8-month-old) as well as adults, using our first prototype flat-panel earphone. Also, the babies did not dislike to wear the developed earphone at all. The earphone enables an experiment of dichotic listening that was quite difficult for awake babies.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85632852","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.S164
M. Hashizume, K. Ikuta, H. Imachi, Kouichi Shimizu, I. Sakuma, K. Sunagawa, K. Ishihara, A. Hanafusa
{"title":"Significance and Strategy in the Foundation of Department for Bio-Medical Engineering in Japan","authors":"M. Hashizume, K. Ikuta, H. Imachi, Kouichi Shimizu, I. Sakuma, K. Sunagawa, K. Ishihara, A. Hanafusa","doi":"10.11239/JSMBE.54ANNUAL.S164","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.S164","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87774485","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}
Pub Date : 2016-01-01DOI: 10.11239/JSMBE.54ANNUAL.P2-C04-1
Shinichi Fukuhara, Takeshi Fujinaga, Shogo Watanabe, H. Oka
Electromyogram (EMG) is recorded electrical muscle contraction, mechanomyogram (MMG) indicates cross-sectional area change of muscle, reflect mechanical muscle contraction. By simultaneously measuring both signals, it is possible to multifaceted evaluation of muscle contraction. However, MMG measurement at voluntary movement was difficult. Therefore, the authors developed MMG / EMG hybrid transducer capable of simultaneous measurement of MMG and EMG. This study evaluated MMG and EMG of rectus femoris (RF) and hamstrings using recumbent bicycle of easy load regulation. As result, dMMGbase (baseline of displacement MMG) indicated cross-sectional area change of muscle at pushing down and pulling up of pedal. In addition, EMG and dMMGbase increased with pushing down of pedal in RF, dMMGacc (acceleration dMMGbase) showing muscle contraction force was output simultaneously. Each signal of hamstrings had output that antagonize RF. By simultaneously measuring MMG and EMG at recumbent bicycle pedaling, it was possible to evaluate muscle contraction of voluntary movement.
肌电图(EMG)是记录肌肉收缩的电图，肌力图(MMG)表示肌肉横截面积的变化，反映肌肉的机械收缩。通过同时测量这两种信号，可以对肌肉收缩进行多方面的评估。然而，自主运动时的MMG测量是困难的。因此，作者开发了能够同时测量肌电和肌电的肌电/肌电混合传感器。本研究利用易于负荷调节的卧式自行车对股直肌(RF)和腘绳肌的肌电图进行了评价。结果dMMGbase (baseline of displacement MMG)表示上下蹬踏板时肌肉横截面积的变化。肌电图和dMMGbase随踩下踏板而升高，同时输出显示肌肉收缩力的dMMGacc(加速度dMMGbase)。腿筋的每个信号都有拮抗RF的输出。通过同时测量横卧自行车踏板时的肌电图和肌电图，可以评估随意运动的肌肉收缩。
{"title":"Evaluation of Skeletal Muscle Contraction during Pedaling of Recumbent Bicycle using MMG / EMG Hybrid Transducer","authors":"Shinichi Fukuhara, Takeshi Fujinaga, Shogo Watanabe, H. Oka","doi":"10.11239/JSMBE.54ANNUAL.P2-C04-1","DOIUrl":"https://doi.org/10.11239/JSMBE.54ANNUAL.P2-C04-1","url":null,"abstract":"Electromyogram (EMG) is recorded electrical muscle contraction, mechanomyogram (MMG) indicates cross-sectional area change of muscle, reflect mechanical muscle contraction. By simultaneously measuring both signals, it is possible to multifaceted evaluation of muscle contraction. However, MMG measurement at voluntary movement was difficult. Therefore, the authors developed MMG / EMG hybrid transducer capable of simultaneous measurement of MMG and EMG. This study evaluated MMG and EMG of rectus femoris (RF) and hamstrings using recumbent bicycle of easy load regulation. As result, dMMGbase (baseline of displacement MMG) indicated cross-sectional area change of muscle at pushing down and pulling up of pedal. In addition, EMG and dMMGbase increased with pushing down of pedal in RF, dMMGacc (acceleration dMMGbase) showing muscle contraction force was output simultaneously. Each signal of hamstrings had output that antagonize RF. By simultaneously measuring MMG and EMG at recumbent bicycle pedaling, it was possible to evaluate muscle contraction of voluntary movement.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89526686","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}
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