Relevant bibliographies by topics / Light-assisted sensing

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Light-assisted sensing'

Author: Grafiati
Published: 11 December 2022
Last updated: 26 January 2023

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Journal articles on the topic "Light-assisted sensing"

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Della Ventura, Bartolomeo, Luigi Schiavo, Carlo Altucci, Rosario Esposito, and Raffaele Velotta. "Light assisted antibody immobilization for bio-sensing." Biomedical Optics Express 2, no. 11 (October 28, 2011): 3223. http://dx.doi.org/10.1364/boe.2.003223.

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Caucheteur, Christophe. "Light Polarization-Assisted Sensing with Tilted Fiber Bragg Gratings." Open Optics Journal 7, no. 1 (2013): 95–103. http://dx.doi.org/10.2174/1874328501307010095.

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Sonia, T., and B. G. Jeyaprakash. "Visible light assisted acetone sensing characteristics of ZnO deposited over LED." Materials Letters 301 (October 2021): 130303. http://dx.doi.org/10.1016/j.matlet.2021.130303.

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Park, Sunghoon, Soohyun Kim, Hyunsung Ko, and Chongmu Lee. "Light Assisted Room Temperature Ethanol Gas Sensing of ZnO–ZnS Nanowires." Journal of Nanoscience and Nanotechnology 14, no. 12 (December 1, 2014): 9025–28. http://dx.doi.org/10.1166/jnn.2014.10065.

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Mishra, Prashant Kumar, Saniya Ayaz, Bungkiu Kissinquinker, and Somaditya Sen. "Defects assisted visible light sensing in Zn1 − x(GaSi)x/2O." Journal of Applied Physics 127, no. 15 (April 21, 2020): 154501. http://dx.doi.org/10.1063/1.5139896.

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SHARMA, RAJVEER, K. S. DAYA, and PREM SARAN TIRUMALAI. "LIGHT ASSISTED IN-VIVO MICROWAVE SENSING FOR ELECTRICAL CHARACTERIZATION OF PROKARYOTES." Biophysical Reviews and Letters 07, no. 03n04 (December 2012): 219–27. http://dx.doi.org/10.1142/s1793048012500105.

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This paper reports an in vivo characterization technique to characterize dielectric properties of living tissues and bio-molecules at microwave frequency using cavity perturbation technique, where a slot ring resonant sensor has been used, that works at 8 GHz and has been designed to enumerate the effective dielectric constant of Spirulina platensis and chlorophyll molecule. Observed value of the dielectric constant of Spirulina platensis was 8 ± 0.04 in the absence of light and 14.575 ± 0.145 in the presence of light. Molecular polarizability of chl a molecule was 5.07 ± 0.05 × 104 Å3. Experimentally calculated local electric field actually experienced by chl a molecule was 14.197 ± 0.003 V/m for applied field of 9.79 V/m across the slot ring, dipole moment of chl a molecule was 2.175 ± 0.005 × 105 Debye and total polarisation produced due to these molecules was 1.545 ± 0.005 C/m 2. Observed relaxation time of chl a molecule was 8.09 ± 0.18 × 10-9 s . The proposed sensing method can be an alternate to spectral characterisation technique, generally used to characterize light sensitive bio-molecules and can also be extended to characterize light sensitive bio-molecules in plant cells.
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Sabek, Jad, Luis Torrijos-Morán, Amadeu Griol, Zeneida Díaz Betancor, María-José Bañuls Polo, Ángel Maquieira, and Jaime García-Rupérez. "Real Time Monitoring of a UV Light-Assisted Biofunctionalization Protocol Using a Nanophotonic Biosensor." Biosensors 9, no. 1 (December 30, 2018): 6. http://dx.doi.org/10.3390/bios9010006.

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A protocol for the covalent biofunctionalization of silicon-based biosensors using a UV light-induced thiol–ene coupling (TEC) reaction has been developed. This biofunctionalization approach has been used to immobilize half antibodies (hIgG), which have been obtained by means of a tris(2-carboxyethyl)phosphine (TCEP) reduction at the hinge region, to the surface of a vinyl-activated silicon-on-insulator (SOI) nanophotonic sensing chip. The response of the sensing structures within the nanophotonic chip was monitored in real time during the biofunctionalization process, which has allowed us to confirm that the bioconjugation of the thiol-terminated bioreceptors onto the vinyl-activated sensing surface is only initiated upon UV light photocatalysis.
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Zhu, Junlun, Wei Nie, Qin Wang, Wei Wen, Xiuhua Zhang, Fujun Li, and Shengfu Wang. "A competitive self-powered sensing platform based on a visible light assisted zinc–air battery system." Chemical Communications 56, no. 43 (2020): 5739–42. http://dx.doi.org/10.1039/d0cc01163k.

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We developed a competitive and oxygen concentration sensitive self-powered sensing platform based on the discharge process of a visible light assisted zinc–air battery system for the detection of targets.
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Hsu, Wei-En, Yu-Hao Chang, Yu-Jie Huang, Jui-Cheng Huang, and Chih-Ting Lin. "A pH/Light Dual-Modal Sensing ISFET Assisted by Artificial Neural Networks." ECS Transactions 89, no. 6 (April 9, 2019): 31–37. http://dx.doi.org/10.1149/08906.0031ecst.

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Li, Hua-Yao, Ji-Won Yoon, Chul-Soon Lee, Kyeorei Lim, Ji-Wook Yoon, and Jong-Heun Lee. "Visible light assisted NO2 sensing at room temperature by CdS nanoflake array." Sensors and Actuators B: Chemical 255 (February 2018): 2963–70. http://dx.doi.org/10.1016/j.snb.2017.09.118.

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Dissertations / Theses on the topic "Light-assisted sensing"

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Imran, Muhammad. "Photo assisted amperometric sensing of electrospun tungsten oxide nanofibers." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/202535/2/Muhammad_Imran_Thesis.pdf.

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Monitoring and control of volatile organic compounds have become increasingly important for humans as well as for environment because of their diverse applications spanning from industrial chemical reagent to patient condition monitoring using breath analysis. For instance, exposure to low concentration of volatile organic compounds i.e. acetone, even in the range of few parts per million can cause suffocation, and nervous system disorder. Moreover, acetone is also a biomarker for type-1 diabetes and its concentration more than 1.8 ppm is an indication of diabetes compared to 0.3 – 0.9 ppm for healthy person. Nanotechnology has a significant impact on gas sensing enabling the development of nanostructure materials with high sensitivity and stability. The aim of this research was the development of low-cost miniaturised breath analyser for diabetics detection by employing nanomaterials as a sensing layer. That was achieved successfully using metal oxide nanofibers.
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Li, Zong-Yu, and 李宗育. "UV Light-Assisted Synthesis of Polyadenosine-Stabilized Gold Nanoclusters for Ratiometric Fluorescent Sensing of Hg(II), Enzyme Activity, and Target Nucleic Acid." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/zp3d46.

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碩士
國立中山大學
化學系研究所
103
DNA sequence has been used in synthesis of silver nanoclusters that play a role of template in decade in decade. The DNA-templated silver nanocluster has been widely applied at sensing of metal ion, biomolecular and bio-image. But there is a challenge in synthesis of gold nanoclusters by using DNA sequence as a template. In this study, we develop a new approach that UV light-assisted, facile, one-pot, NaBH4-free and boundary way to synthesize gold nanoclusters by using poly-adenosine as a template, and get the poly-adenosine stabilized gold nanoclusters that have an emission at 475 nm under the excitation of 280 nm. Under a series of experiment, we definit the UV light play an important role in reduction reaction of gold ion by citrate ion. In size-exclusion chromatogaph(SEC), we can find the structure of poly-adenosine is more compact after the formation of poly-adenosine stabilized gold nanoclusters, it provide an evidence that poly-adenosine is a stabilizer for preventing gold atom aggregate into gold nanoparticles and forming of gold nanoclusters. On the other hand, we design a sequence contain poly-adenosine and specific DNA sequence to synthesize a poly-adenosine stabilized gold nanoclusters of containing specific DNA sequence, and it can combine with SYBR GREEN I to provide a ratiometric fluorescent sensors. This ratiometric fluorescent sensors provide a sensitivie and selective detection for specific DNA sequence, thiol-relative enzyme and mercury ion by hybridization of DNA, etching of thiol and metallophilic interactions, and successfully used in real sample.
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Book chapters on the topic "Light-assisted sensing"

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Hasan Hamood Al-Masoodi, Abtisam, Boon Tong Goh, Ahmed H.H. Al-Masoodi, and Wan Haliza Binti Abd Majid. "Deposition of Silver Nanoparticles on Indium Tin Oxide Substrates by Plasma-Assisted Hot-Filament Evaporation." In Thin Films [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94456.

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Nanoparticles of noble metals have unique properties including large surface energies, surface plasmon excitation, quantum confinement effect, and high electron accumulation. Among these nanoparticles, silver (Ag) nanoparticles have strong responses in visible light region due to its high plasmon excitation. These unique properties depend on the size, shape, interparticle separation and surrounded medium of Ag nanoparticles. Indium tin oxide (ITO) is widely used as an electrode for flat panel devices in such as electronic, optoelectronic and sensing applications. Nowadays, Ag nanoparticles were deposited on ITO to improve their optical and electrical properties. Plasma-assisted hot-filament evaporation (PAHFE) technique produced high-density of crystalline Ag nanoparticles with controlling in the size and distribution on ITO surface. In this chapter, we will discuss about the PAHFE technique for the deposition of Ag nanoparticles on ITO and influences of the experimental parameters on the physical and optical properties, and electronic structure of the deposited Ag nanoparticles on ITO.
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Kantarci, Burak, Kevin G. Carr, and Connor D. Pearsall. "SONATA." In The Internet of Things, 278–99. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1832-7.ch013.

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With the advent of mobile cloud computing paradigm, mobile social networks (MSNs) have become attractive tools to share, publish and analyze data regarding everyday behavior of mobile users. Besides revealing information about social interactions between individuals, MSNs can assist smart city applications through crowdsensing services. In presence of malicious users who aim at misinformation through manipulation of their sensing data, trustworthiness arises as a crucial issue for the users who receive service from smart city applications. In this paper, the authors propose a new crowdsensing framework, namely Social Network Assisted Trustworthiness Assurance (SONATA) which aims at maximizing crowdsensing platform utility and minimizing the manipulation probability through vote-based trustworthiness analysis in dynamic social network architecture. SONATA adopts existing Sybil detection techniques to identify malicious users who aim at misinformation/disinformation at the crowdsensing platform. The authors present performance evaluation of SONATA under various crowdsensing scenarios in a smart city setting. Performance results show that SONATA improves crowdsensing utility under light and moderate arrival rates of sensing task requests when less than 7% of the users are malicious whereas crowdsensing utility is significantly improved under all task arrival rates if the ratio of malicious users to the entire population is at least 7%. Furthermore, under each scenario, manipulation ratio is close to zero under SONATA while trustworthiness unaware recruitment of social network users leads to a manipulation probability of 2.5% which cannot be tolerated in critical smart city applications such as disaster management or public safety.
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Conference papers on the topic "Light-assisted sensing"

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Funari, Riccardo, Bartolomeo Della Ventura, Antonio Ambrosio, Stefano Lettieri, Pasqualino Maddalena, Carlo Altucci, and Raffaele Velotta. "UV-light-assisted functionalization for sensing of light molecules." In SPIE Optics + Optoelectronics, edited by Francesco Baldini, Jiri Homola, and Robert A. Lieberman. SPIE, 2013. http://dx.doi.org/10.1117/12.2018510.

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Nicolau, Dan V., Takahisa Taguchi, and Hitoshi Suzuki. "Response of the fluorescence of tagged proteins on light-assisted modified polymer surfaces." In Environmental and Industrial Sensing, edited by Robert A. Lieberman. SPIE, 2000. http://dx.doi.org/10.1117/12.411711.

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Hoshino, Kazuki, Daiki Saito, Mohd Saiful Dzulkefly Zan, and Yosuke Tanaka. "Distributed strain sensing using slope assisted BOTDA based on virtual Brillouin gain spectrum synthesized by multi-frequency light." In SPIE Future Sensing Technologies, edited by Christopher R. Valenta, Joseph A. Shaw, and Masafumi Kimata. SPIE, 2021. http://dx.doi.org/10.1117/12.2603932.

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Es, Firat, Olgu Demircioglu, Mustafa Kulakci, Husnu Emrah Unalan, and Rasit Turan. "Light management on industrial size c-Si solar cells by Si nanowires fabricated by metal-assisted etching." In SPIE Defense, Security, and Sensing, edited by Thomas George, M. Saif Islam, and Achyut Dutta. SPIE, 2012. http://dx.doi.org/10.1117/12.918884.

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Tatti, F., X. Hu, and F. Rodriguez y Baena. "Proof-of-concept investigation of an instrument-mounted markerless tracking system for robot-assisted orthopaedic surgery." In The Hamlyn Symposium on Medical Robotics: "MedTech Reimagined". The Hamlyn Centre, Imperial College London London, UK, 2022. http://dx.doi.org/10.31256/hsmr2022.28.

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Intraoperative patient registration and tracking are key enabling components of Computer-Assisted Orthopaedic Surgery (CAOS). Optical tracking systems that detect rigidly-attached reference frames with reflective markers are the standard in current CAOS systems, due to their large field of view and high accuracy [1], [2]. Recent improvements in depth sensing technology have led to the widespread availability of RGBD stereo- cameras. Their adoption in CAOS is appealing, as it would allow to reconstruct a patient’s anatomy with a simple ‘snapshot’ of the scene [3], [4]. However, inte- grating such cameras into a CAOS system would not be straightforward, as would require changes to the layout traditionally used in current systems. Indeed, while the camera is normally positioned laterally to the patient, a markerless system would need to look directly into the surgical incision, at a much closer distance so as to maximise the density of points in the Region-of-Interest (RoI). While these constraints present some challenges, the light weight and small form factor of many state-of- the-art RGBD cameras allow to envision solutions that would not be possible with bulkier systems. In this abstract we present a preliminary study for an integrated solution composed of a lightweight RGBD camera connected to the robot-assisted burring tool of a commercial CAOS system. We present preliminary results on the tracking accuracy of the system, and discuss the advantages and disadvantages of such a solution.
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Jambhulkar, Sayli, Weiheng Xu, Yuxiang Zhu, Dharneedar Ravichandran, and Kenan Song. "Microscale 3D Printed Patterns for Nanoscale Particle Assembly." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-63902.

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Abstract Directed particle assembly has broad applications in sensors, actuators, microelectronics, robotics, and the biomedical area. Currently available methods include external fields such as electrical or magnetic fields, surface treatment on substrates, and DNA-assisted templates. However, these methods are most efficient at the nanoscale and would lose their efficiency and scalability above microscales. We reported in this research the uses of the 3D printed surface to direct the assembly of nanoparticles. We used carbon nanofibers (CNFs) as an example to show the long-range orders after dipping the 3D printed substrates in CNFs suspensions. The anchoring of CNFs at the solid-liquid-air contact lines will initiate the assembly procedure and further induced the neighboring CNFs because of the van der Waals forces. As a result, the CNFs formed well-regulated bands with controlled spacing and close-packing. These assembled CNFs were demonstrated in sensing applications. A gauge factor regulated the methanol at different concentrations and temperatures to pass the sensor, with the device resistivity change. In this way, the sensitivity as a function of analyte concentration and temperatures was obtained. This research studied nanoparticles’ microscale assembly based on a simple 3D printing surface and shed light on a new hybrid manufacturing for nanoparticle assembly.
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Bhagavatula, V., S. Chaparala, and J. Himmelreich. "A Novel Precision Die Attach Technique for Opto-Electronics Packaging." In ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems. ASMEDC, 2011. http://dx.doi.org/10.1115/ipack2011-52028.

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Semiconductor Laser diodes that emit visible light have various interesting applications such as sensing, high density optical storage and projection displays. In any opto-electronic package, the laser diode chips are typically attached or soldered to metal or ceramic substrates that have good thermal conductivity and are well-matched in coefficient of thermal expansion using solder. Some applications require a critical alignment of the front facet of the laser diode to the front edge of the substrate onto which the laser diode chip is attached to. Depending on the application, the alignment precision could be varying from 20 μm to being as stringent as 0.5 to 1 μm. In many of these applications, the cost of packaging is also a very important factor. In such applications, it is essential to develop a laser diode chip bonding process that can meet such stringent die alignments along with a low cost manufacturing process. Therefore, the objective of this research work is to provide a low cost alternative solution for die attach process that can guarantee alignment precision of 0.5 to 1 microns and can be easily adapted to high volume manufacturing. The novel technique proposed in this work uses primarily gravity force for the facet alignments between the two components. In this passive-gravity assisted precision (P-GAP) assembly process, the laser diode (LD) chip is placed on the substrate using a traditional pick and place machine and later the substrate and the chip are tilted such that the chip slides on the substrate due to the gravity and touches a mechanical stop in-front of them. This does not involve any active alignment. In addition, we have provided few ideas to improve the sliding when gravity is used. This technique has been implemented on several samples and the feasibility of achieving the alignment precision to within a micron was demonstrated.
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