Article
Chemistry, Multidisciplinary
Tucker Stuart, William J. Jeang, Richard A. Slivicki, Bobbie J. Brown, Alex Burton, Victoria E. Brings, Lilian C. Alarcon-Segovia, Prophecy Agyare, Savanna Ruiz, Amanda Tyree, Lindsay Pruitt, Surabhi Madhvapathy, Martin Niemiec, James Zhuang, Siddharth Krishnan, Bryan A. Copits, John A. Rogers, Robert W. Gereau, Vijay K. Samineni, Amay J. Bandodkar, Philipp Gutruf
Summary: Neurotransmitters and neuromodulators play a crucial role in neuronal communication, but studying their release dynamics has been challenging due to technical limitations. Researchers have developed an implantable, wireless, and battery-free platform that allows real-time optogenetic stimulation and electrochemical recording of catecholamine dynamics. The platform has a small size and high sensitivity, making it suitable for studying these dynamics in small animal models. In vitro and in vivo experiments have demonstrated the platform's capabilities and its potential applications in studying dopamine concentration changes and opioid effects in freely behaving subjects.
Article
Spectroscopy
Zhifeng Cai, Shulin Pang, Liangliang Wu, Erxiao Hao, Jiaxin Rong
Summary: Dopamine-protected copper nanoclusters were utilized as a novel fluorescent nanosensor for the detection of nitrofurantoin. The sensor demonstrated good linear relationship and low detection limit, and was successfully applied for NFT detection in bovine serum samples.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Review
Engineering, Multidisciplinary
Muthaiyan Lakshmanakumar, Noel Nesakumar, Arockia Jayalatha Kulandaisamy, John Bosco Balaguru Rayappan
Summary: Dopamine plays a crucial role in neurological diseases and its accurate detection is essential for studying its function in biological processes. Utilizing new biosensing devices based on nanostructured materials is an effective approach to address the challenges of detecting dopamine concentration changes.
Article
Chemistry, Analytical
Lipeng Pan, Mingye Zou, Fangxing Ma, Lingqing Kong, Changnan Zhang, Likun Yang, Anna Zhu, Feng Long, Xiang-Yang Liu, Naibo Lin
Summary: A compact evanescent wave detection platform is developed for the detection of fluorescence gold nanoclusters. The platform employs a simple optical system and a Si-based photodetector assembly, improving the optical efficiency and detection sensitivity. It has potential applications for fast detection of dopamine in microsamples.
ANALYTICA CHIMICA ACTA
(2022)
Article
Telecommunications
Yunfeng Wen, Fang Yang, Jian Song, Zhu Han
Summary: This letter proposes an integrated sensing and communication scheme based on pulse sequence sensing and pulse position modulation for free space optics. By generating a unipolar optical signal, optical wireless communication and optical sensing can adopt the intensity modulation and direct detection scheme simultaneously. The performance metrics for communication and sensing are derived theoretically and simulations demonstrate the effectiveness of the proposed method, even in multi-user scenarios. Different optical systems can adjust system parameters to enhance the future wireless network's ability.
IEEE COMMUNICATIONS LETTERS
(2023)
Article
Physics, Applied
Yurui Qu, Soongyu Yi, Lan Yang, Zongfu Yu
Summary: Consumer cameras currently only detect light intensity, while spectral, angular, and phase information of incident light is largely lost. More advanced sensing applications, like autonomous vehicles and robotics, could benefit from extracting additional information from incident light to help machines make better decisions. In the future, it is expected that cameras will be increasingly designed for machines rather than people, with rapid progress in machine learning and artificial intelligence driving this trend.
APPLIED PHYSICS LETTERS
(2022)
Article
Materials Science, Ceramics
JunYu Chen, LianJie Li, Tao Pang, Hai Guo, LiPing Chen
Summary: Multi-mode optical thermometry demonstrates great potential in accurate temperature measurement. Through the elaboration of Na2GdMg2V3O12:Sm3+ phosphors, the material with dual-emission centers is successfully achieved. By irradiation of 349 nm light, NGMVO:Sm3+ can generate emissions from VO43- and Sm3+ due to energy transfer between them. The designed fluorescence intensity (FI), fluorescence intensity ratio (FIR), and Commission Internationale de L'Eclairage coordinate modes of NGMVO:Sm3+ thermometer exhibit high relative sensitivities (S-R) up to 2.21 %K-1, 2.12 %K-1, and 0.244 %K-1, respectively. Furthermore, the S-R values of FI and FIR modes decrease slowly with increasing temperature, maintaining above 1.36 %K-1 and 1.08 %K-1, respectively, between 303 and 513 K. These findings highlight the promising applications of NGMVO:Sm3+ phosphors in multimode temperature sensors.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Physics, Applied
Yurui Qu, Soongyu Yi, Lan Yang, Zongfu Yu
Summary: Traditional consumer cameras only detect the intensity of light, while advanced applications like autonomous vehicles, biomedical imaging, and robotics could benefit from extracting more information such as spectral, angular, and phase information from incident light.
APPLIED PHYSICS LETTERS
(2022)
Article
Biochemical Research Methods
Qian Li, Aixiang Tian, Cuiying Chen, Tiying Jiao, Ting Wang, Shengyu Zhu, Jingquan Sha
Summary: FeMo6, a polyoxometalate containing Fe3+ and Mo6+, was discovered as an oxidase-mimicking nanoenzyme for the first time, showing catalytic oxidation ability towards o-phenylenediamine and other substrates. A novel sensor for dopamine detection was developed based on the FeMo6-OPD system. The FeMo6@rGO composite enhanced the oxidase-mimic activity of FeMo6, with the FeMo6@rGO (10%) showing the highest activity and fastest response time among known DA oxidase mimics.
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2021)
Article
Optics
Xiaojing Long, Zhuili Huang, Ye Tian, Jihe Du, Yufei Liu
Summary: A novel compact on-chip Fourier transform (FT) spectrometer based on the silicon-on-insulator (SOI) platform is proposed, featuring wide operating bandwidth and high resolution. Experimental results demonstrate the performance of the spectrometer in a specific wavelength range, along with the application of a spectral retrieval algorithm.
Article
Materials Science, Multidisciplinary
Punuri Jayasekhar Babu, Sibyala Saranya, Yengkhom Disco Singh, Mallepogu Venkataswamy, Ashok M. Raichur, Mukesh Doble
Summary: This study demonstrates the synthesis of carbon nano dots (CNDs) using custard apple peel waste biomass for conductivity-based dopamine sensing and bioimaging applications. The CNDs show biocompatibility, fluorescence, and non-toxicity properties, suggesting their potential use in biomedical applications. Additionally, a novel route for dopamine detection is provided through the CND-Fe complex, showing conductivity-based sensing.
Article
Materials Science, Ceramics
Lixin Zhang, Qingyu Meng, Wenjun Sun, Shuchen Lue
Summary: In this study, Sm3+/Tb3+-co-doped NaGd(MoO4)(2) phosphors were prepared and their temperature-dependent emission spectra were analyzed to show that the fluorescence intensity ratio can be used to represent temperature. The temperature-sensing sensitivity of the phosphors gradually increased with the increasing sodium citrate and rare earth molar ratio. The Commission International del'Eclairage chromaticity coordinates displayed continuous color changes of the specimens from green to red with temperature.
CERAMICS INTERNATIONAL
(2021)
Review
Chemistry, Analytical
Cristiano Pendao, Ivo Silva
Summary: Optical fiber sensors have several advantages over other types of sensors due to their small size, lightweight, resistance to high temperatures and pressure, and electromagnetic passivity. They utilize the properties of light to measure parameters such as temperature, strain, or angular velocity. Optical fiber sensors find applications in various fields, including periodic monitoring, hazardous environments, structural and engine monitoring, clothing applications, and health monitoring and assistance.
Article
Optics
Fenghong Chu, Shi Feng, Zhenglan Bian, Chunpeng Zhao, Liang Xue, Anduo Hu
Summary: A hydrogel optical fiber doped with fluorescent indicator was successfully used to detect dissolved oxygen based on fluorescence quenching method. The experiment demonstrated good repeatability and improved sensitivity in detecting dissolved oxygen.
Article
Multidisciplinary Sciences
Chunhui Yao, Kangning Xu, Wanlu Zhang, Minjia Chen, Qixiang Cheng, Richard Penty
Summary: This paper introduces a novel integrated reconstructive spectrometer with programmable photonic circuits using a few engineered MZI elements. The design creates a large number of uncorrelated sampling channels without additional hardware costs, achieving ultra-high resolution. Experimental results demonstrate a bandwidth-to-resolution ratio of over 20,000 using only 729 sampling channels, with a resolution of less than 10 picometers and a bandwidth of over 200 nanometers.
NATURE COMMUNICATIONS
(2023)
Article
Materials Science, Multidisciplinary
Hwan-Sik Yoon, Se-hun Kim, Min-Hyuck Kim, Dongsoo Jung, Joo-Hyung Kim, Hyeon-Ju Kim, Ho-Saeng Lee
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
(2015)
Proceedings Paper
Nanoscience & Nanotechnology
Sang H. Choi, Min Hyuck Kim, Kyo D. Song, Hargsoon Yoon, Uhn Lee
MICRO+NANO MATERIALS, DEVICES, AND SYSTEMS
(2015)
Proceedings Paper
Engineering, Electrical & Electronic
Min Hyuck Kim, Ilho Nam, Youngki Ryu, Laurie W. Wellman, Larry D. Sanford, Hargsoon Yoon
NANOSENSORS, BIOSENSORS, AND INFO-TECH SENSORS AND SYSTEMS 2015
(2015)
Proceedings Paper
Engineering, Electrical & Electronic
Min Hyuck Kim, Kyo D. Song, Hargsoon Yoon, Yeonjoon Park, Sang H. Choi, Dae-Sung Lee, Kyu-Sik Shin, Hak-In Hwang, Uhn Lee
NANOSENSORS, BIOSENSORS, AND INFO-TECH SENSORS AND SYSTEMS 2015
(2015)
Proceedings Paper
Engineering, Electrical & Electronic
Camille Cooper, Keisharra Eldridge, Min Hyuck Kim, Hargsoon Yoon, Sang H. Choi, Kyo D. Song
NANOSENSORS, BIOSENSORS, AND INFO-TECH SENSORS AND SYSTEMS 2014
(2014)
Proceedings Paper
Nanoscience & Nanotechnology
Courtney S. Smith, Darryl W. Scott, Min H. Kim, Larry D. Sanford, Kyo D. Song, Hargsoon Yoon
NANOSENSORS, BIOSENSORS, AND INFO-TECH SENSORS AND SYSTEMS 2013
(2013)
Proceedings Paper
Engineering, Electrical & Electronic
Minhyuck Kim, Hwan-Sik Yoon, Sehun Kim, Joo-Hyung Kim
SMART SENSOR PHENOMENA, TECHNOLOGY, NETWORKS, AND SYSTEMS INTEGRATION 2012
(2012)
