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Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)最新文献

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Neurotransducers Based Voltage Sensitive Dye-Doped Microlasers 基于电压敏感染料掺杂神经换能器的微激光器
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/boda.2019.jt4a.14
M. Manzo, O. Cavazos
{"title":"Neurotransducers Based Voltage Sensitive Dye-Doped Microlasers","authors":"M. Manzo, O. Cavazos","doi":"10.1364/boda.2019.jt4a.14","DOIUrl":"https://doi.org/10.1364/boda.2019.jt4a.14","url":null,"abstract":"We demonstrate a novel neurotransducer for nerve cells electric potential detection that is based on voltage sensitive dye coupled to a microlaser. The neurotransducer exhibits a sensitivity of Δλ/ΔE=−5*10−4nm/(V/m) and a resolution of 34 V/m.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82992425","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: 6
Theoretical Limits of Nanoparticle Optical Manipulation 纳米粒子光学操作的理论极限
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/oma.2019.am3e.2
J. Melzer, E. Mcleod
{"title":"Theoretical Limits of Nanoparticle Optical Manipulation","authors":"J. Melzer, E. Mcleod","doi":"10.1364/oma.2019.am3e.2","DOIUrl":"https://doi.org/10.1364/oma.2019.am3e.2","url":null,"abstract":"Efficient translation of nanoparticles using optical tweezers (OT) is critical in OT-based methods such as micro- and nano-assembly. We investigate the limits of OT nanoparticle manipulation, achieving record lateral translation speeds of ~ 0.17 mm/s.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"78 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83317760","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
Study of single airborne particle using laser spectroscopy and universal optical-trapping 利用激光光谱学和通用光捕获技术研究单个空气粒子
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/oma.2019.aw1e.3
Yong-le Pan, Aimable Kalume, Z. Gong, Chuji Wang, J. Santarpia
{"title":"Study of single airborne particle using laser spectroscopy and universal optical-trapping","authors":"Yong-le Pan, Aimable Kalume, Z. Gong, Chuji Wang, J. Santarpia","doi":"10.1364/oma.2019.aw1e.3","DOIUrl":"https://doi.org/10.1364/oma.2019.aw1e.3","url":null,"abstract":"A new universal optical-trapping (UOT) technology was developed. Physical, chemical and biological properties and their evolving dynamics from single UOT airborne particles were studied using position-resolved temporal Raman spectroscopy, back-scattering patterns, and cavity ringdown spectroscopy.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87646796","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
Optical manipulation with an optothermal surface bubble for ultrasensitive sensing 光学操纵与光热表面气泡超灵敏传感
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/OMA.2019.AW2E.3
Chenglong Zhao
{"title":"Optical manipulation with an optothermal surface bubble for ultrasensitive sensing","authors":"Chenglong Zhao","doi":"10.1364/OMA.2019.AW2E.3","DOIUrl":"https://doi.org/10.1364/OMA.2019.AW2E.3","url":null,"abstract":"We report an optical manipulation method based on an optothermal surface bubble. Nanogap-rich structures that are fabricated with this method are used to detect chemical substance down to femtomolar concentrations.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76472106","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
Supervised Learning: How Training Detects Microvasculature in Photoacoustic Images 监督学习:训练如何在光声图像中检测微血管
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/BODA.2019.JT4A.41
R. Chowdhary, Junjie Yao
{"title":"Supervised Learning: How Training Detects Microvasculature in Photoacoustic Images","authors":"R. Chowdhary, Junjie Yao","doi":"10.1364/BODA.2019.JT4A.41","DOIUrl":"https://doi.org/10.1364/BODA.2019.JT4A.41","url":null,"abstract":"Vessel segmentation algorithms in photoacoustic images suffer from discontinued vessels. We developed a supervised learning algorithm that determines vessels and non-vessels. Our results indicated our algorithm can determine more microvasculature.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"124 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87914030","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
Mid-infrared and Near infrared spectroscopic analysis of mechanically and enzymatically damaged cartilage 机械和酶损伤软骨的中红外和近红外光谱分析
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/boda.2019.jt4a.37
E. Nippolainen, R. Shaikh, V. Virtanen, L. Rieppo, I. Afara, S. Saarakkala, J. Töyräs
{"title":"Mid-infrared and Near infrared spectroscopic analysis of mechanically and enzymatically damaged cartilage","authors":"E. Nippolainen, R. Shaikh, V. Virtanen, L. Rieppo, I. Afara, S. Saarakkala, J. Töyräs","doi":"10.1364/boda.2019.jt4a.37","DOIUrl":"https://doi.org/10.1364/boda.2019.jt4a.37","url":null,"abstract":"In this study, we demonstrate the potential of mid-infrared (MIR) and near infrared (NIR) spectroscopies to reveal and differentiate between superficial changes in articular cartilage (AC) after mechanical or enzymatic degradation.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"121 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82793316","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
FORMA: Force Reconstruction via Maximum-likelihood-estimator Analysis 形式:通过最大似然估计分析的力重构
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/oma.2019.at2e.2
Laura Pérez García, J. Pérez, G. Volpe, A. Arzola, G. Volpe
{"title":"FORMA: Force Reconstruction via Maximum-likelihood-estimator Analysis","authors":"Laura Pérez García, J. Pérez, G. Volpe, A. Arzola, G. Volpe","doi":"10.1364/oma.2019.at2e.2","DOIUrl":"https://doi.org/10.1364/oma.2019.at2e.2","url":null,"abstract":"We propose an algorithm to retrieve the conservative and non-conservative components of a force field acting on a Brownian particle from the analysis of its displacements with important advantages over established techniques.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77215475","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
Improved Non-contact Optical Monitoring of Blood Pulsation in IR using Laser Speckle Contrast Analysis 利用激光散斑对比分析改进非接触式红外血液脉动光学监测
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/boda.2019.jt4a.51
H. Genish, Matan Binyamin, A. Schwarz, N. Ozana, Z. Zalevsky, R. Califa
{"title":"Improved Non-contact Optical Monitoring of Blood Pulsation in IR using Laser Speckle Contrast Analysis","authors":"H. Genish, Matan Binyamin, A. Schwarz, N. Ozana, Z. Zalevsky, R. Califa","doi":"10.1364/boda.2019.jt4a.51","DOIUrl":"https://doi.org/10.1364/boda.2019.jt4a.51","url":null,"abstract":"A non-contact optical method based on laser speckle contrast analysis in IR for monitoring of blood pulsation is compared to remote PPG. Suggested method show superiority at anatomic sites with week pulsation.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"61 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84004957","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
Tryptophan and kynurenines in neurodegenerative disease 色氨酸和犬尿氨酸在神经退行性疾病中的作用
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/boda.2019.jt4a.8
Laura A. Sordillo, P. Sordillo, Lin Zhang, R. Alfano
{"title":"Tryptophan and kynurenines in neurodegenerative disease","authors":"Laura A. Sordillo, P. Sordillo, Lin Zhang, R. Alfano","doi":"10.1364/boda.2019.jt4a.8","DOIUrl":"https://doi.org/10.1364/boda.2019.jt4a.8","url":null,"abstract":"There is mounting evidence that there exists a connection between abnormal tryptophan metabolism and neurodegenerative diseases. The relationship between tryptophan and kynurenines in 48 age-matched normal and Alzheimer’s disease human brain tissues was investigated using label-free fluorescence spectroscopy.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"262 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76742477","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
Reversible Optogenetic Control of Growth Factor Signaling During Cell Differentiation and Vertebrate Embryonic Development 细胞分化和脊椎动物胚胎发育过程中生长因子信号的可逆光遗传调控
Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP) Pub Date : 2019-04-15 DOI: 10.1364/OMA.2019.AW1E.1
Vishnu V. Krishnamurthy, John S. Khamo, P. Mondal, S. Sharum, Jing Yang, Kai Zhang
{"title":"Reversible Optogenetic Control of Growth Factor Signaling During Cell Differentiation and Vertebrate Embryonic Development","authors":"Vishnu V. Krishnamurthy, John S. Khamo, P. Mondal, S. Sharum, Jing Yang, Kai Zhang","doi":"10.1364/OMA.2019.AW1E.1","DOIUrl":"https://doi.org/10.1364/OMA.2019.AW1E.1","url":null,"abstract":"To decipher the kinetic regulation of growth factor signaling outcomes, I will introduce our recently developed non-neuronal optogenetic strategies that enable reversible control of growth factor signaling during cell differentiation and embryonic development.","PeriodicalId":8973,"journal":{"name":"Biophotonics Congress: Optics in the Life Sciences Congress 2019 (BODA,BRAIN,NTM,OMA,OMP)","volume":"44 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76006543","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
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