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1. Microrheology with optical tweezers: peaks & troughs

Author:
Tassieri, Manlio
Source:
Current opinion in colloid & interface science 2019 v.43 pp. 39-51
ISSN:
1359-0294
Subject:
sensors (equipment),   etc   ; optical traps; rheology;     Show all 3 Subjects
Abstract:
... Since their first appearance in the 1970s, optical tweezers have been successfully exploited for a variety of applications throughout the natural sciences, revolutionising the field of microsensing. However, when adopted for microrheology studies, there exist some peaks and troughs on their modus operandi and data analysis that I wish to address and possibly iron out, providing a guide to future r ...
DOI:
10.1016/j.cocis.2019.02.006

2. Gas sensors based on mass-sensitive transducers part 1: transducers and receptors—basic understanding

Author:
Oprea, Alexandru; Weimar, Udo
Source:
Analytical and bioanalytical chemistry 2019 v.411 no.9 pp. 1761-1787
ISSN:
1618-2642
Subject:
sensors (equipment),   etc   ; gases; transducers (equipment);     Show all 3 Subjects
Abstract:
... The scientific interest in gas sensors is continuously increasing because of their environmental, medical, industrial, and domestic applications. This has resulted in an increasing number of investigations being reported in the literature and communicated at conferences. The present review, organized in two parts, addresses the peculiarities of gas sensors based on mass-sensitive transducers, star ...
DOI:
10.1007/s00216-019-01630-7

3. Automatic Sensor Orientation using Horizontal and Vertical Line Feature Constraints

Author:
Sun, Yanbiao; Robson, Stuart; Scott, Daniel; Boehm, Jan; Wang, Qiang
Source:
ISPRS journal of photogrammetry and remote sensing 2019
ISSN:
0924-2716
Subject:
sensors (equipment),   etc   ; aerial photography; cameras; geometry;     Show all 4 Subjects
Abstract:
... To improve the accuracy of sensor orientation using calibrated aerial images, this paper proposes an automatic sensor orientation method utilizing horizontal and vertical constraints on human-engineered structures, addressing the limitations faced with sub-optimal number of Ground Control Points (GCPs) within a scene. Related state-of-the-art methods rely on structured building edges, and necessit ...
DOI:
10.1016/j.isprsjprs.2019.02.011

4. Porous Graphene Oxide Enhanced Aptamer Specific Circulating-Tumor-Cell Sensing Interface on Light Addressable Potentiometric Sensor: Clinical Application and Simulation

Author:
Li, Fang; Hu, Shihui; Zhang, Rong; Gu, Yajun; Li, Yueguo; Jia, Yunfang
Source:
ACS applied materials & interfaces 2019 v.11 no.9 pp. 8704-8709
ISSN:
1944-8252
Subject:
sensors (equipment),   etc   ; graphene oxide; materials science; oligonucleotides;     Show all 4 Subjects
Abstract:
... The circulating-tumor-cell (CTC) specific aptamer is believed to be a power recognition factor to realize clinical CTC assay. However, the limited sensing range is still one of the challenges in its real application. The porous-graphene-oxide (PGO) enhanced aptamer specific CTC sensing interface is studied on the platform of light-addressable-potentiometric-sensor (LAPS) to provide a clinical avai ...
DOI:
10.1021/acsami.8b21101

5. A Novel System for Yarn Cross-Section Analysis Based on Dual Orthogonal CCD Sensors

Author:
Li, Guanzhi; Akankwasa, Nicholus Tayari; Zhao, Qiang; Wang, Jun
Source:
Journal of natural fibers 2019 v.16 no.1 pp. 114-125
ISSN:
1544-046X
Subject:
sensors (equipment),   etc   ; algorithms; equipment performance; mathematics; yarns;     Show all 5 Subjects
Abstract:
... As a basis for yarn evenness measurement, a novel method based on two orthogonal charge-coupled device (CCD) sensors has been devised. We present a system for analyzing yarn evenness from the coefficient of variation of yarn perimeter, treating the yarn cross-sectional shape like an ellipse with uneven edges. The system architecture, algorithm flow, mathematical principle, and the experimental val ...
DOI:
10.1080/15440478.2017.1409151

6. Recent advances in sensors for tetracycline antibiotics and their applications

Author:
Liu, Xigui; Huang, Danlian; Lai, Cui; Zeng, Guangming; Qin, Lei; Zhang, Chen; Yi, Huan; Li, Bisheng; Deng, Rui; Liu, Shiyu; Zhang, Yujin
Source:
Trends in analytical chemistry 2018 v.109 pp. 260-274
ISSN:
0165-9936
Subject:
sensors (equipment),   etc   ; antibiotics; electrochemiluminescence;     Show all 3 Subjects
Abstract:
... To control food safety, protect human safety and health, sensors for tetracycline antibiotics with easy operation, in-situ applications, high sensitivity and selectivity have been urgently needed. In this review, we provide an overview of recent advances and new trends in sensors for the detection of tetracycline antibiotics based on optical sensors, electrochemical sensors and other sensors inclu ...
DOI:
10.1016/j.trac.2018.10.011

7. Thickness-Dependently Enhanced Photodetection Performance of Vertically Grown SnS2 Nanoflakes with Large Size and High Production

Author:
Jia, Xiansheng; Tang, Chengchun; Pan, Ruhao; Long, Yunze; Gu, Changzhi; Li, Junjie
Source:
ACS applied materials & interfaces 2018 v.10 no.21 pp. 18073-18081
ISSN:
1944-8252
Subject:
sensors (equipment),   etc   ; crystals; nanomaterials; silicon;     Show all 4 Subjects
Abstract:
... Photodetection based on two-dimensional (2D) SnS₂ has attracted growing interest due to its superiority in response rate and responsivity, but high-quality growth and high performance photodetection of 2D SnS₂ still face great challenges. Here, high-quality SnS₂ nanoflakes with large-size and high-production are vertically grown on an Si substrate by a modified CVD method, having an average size o ...
DOI:
10.1021/acsami.8b03194

8. In-situ measurement of tension and contact forces for weaving process monitoring: Application to 3D interlock

Author:
Bessette, Carole; Decrette, Mathieu; Tourlonias, Michel; Osselin, Jean-François; Charleux, François; Coupé, Dominique; Bueno, Marie-Ange
Source:
Composites 2019
ISSN:
1359-835X
Subject:
sensors (equipment),   etc   ; composite materials; process monitoring; spectral analysis; weaving;     Show all 5 Subjects
Abstract:
... This study is focused on the monitoring of 3D interlock weaving, which is a process used for structural composite reinforcements. As high-density weaving leads to significant damage on warp tows, the standard execution of the process is impacted. To increase the production rate, tow-to-tow interactions need to be clearly understood, which is the aim of in-situ measurements on a sequential weaving ...
DOI:
10.1016/j.compositesa.2019.105604

9. Core@shell nanomaterials based sensing devices: A review

Author:
Kalambate, Pramod K.; Dhanjai,; Huang, Zhimei; Li, Yankai; Shen, Yue; Xie, Meilan; Huang, Yunhui; Srivastava, Ashwini K.
Source:
Trends in analytical chemistry 2019 v.115 pp. 147-161
ISSN:
0165-9936
Subject:
sensors (equipment),   etc   ; deformation; food analysis; humans; monitoring; nanomaterials; surface area;     Show all 7 Subjects
Abstract:
... Core-shell nanomaterials (CSNs) have achieved huge popularity due to multifunctional properties achieved by manipulation of core or shell materials. This review highlights recent development in CSNs based sensing devices such as electrochemical sensors, optical sensors, wearable sensing devices, and gas adsorptive sensors, which find potential applications in numerous fields ranging from industria ...
DOI:
10.1016/j.trac.2019.04.002

10. Local Binary Pattern, Local Derivative Pattern and Skeleton Features for RGB-D Person Re-identification

Author:
Imani, Zeynab; Soltanizadeh, Hadi
Source:
National Academy science letters 2019 v.42 no.3 pp. 233-238
ISSN:
0250-541X
Subject:
sensors (equipment),   etc   ; databases; head; legs; lighting; skeleton; torso;     Show all 7 Subjects
Abstract:
... Novel methods based on depth and skeleton information of RGB-D sensors are proposed for person re-identification. Firstly, the depth images of the body are divided into three parts, i.e., head, torso and legs. Then, each part is described using histograms of local binary pattern and local derivative pattern. Also, the local pattern descriptors are combined with Gabor features for robustness agains ...
DOI:
10.1007/s40009-018-0736-9

11. Sensor Placement Strategy for Pipeline Condition Assessment Using Inverse Transient Analysis

Author:
Zhang, Chi; Gong, Jinzhe; Lambert, Martin F.; Simpson, Angus R.; Zecchin, Aaron C.
Source:
Water resources management 2019 v.33 no.8 pp. 2761-2774
ISSN:
0920-4741
Subject:
sensors (equipment),   etc   ; case studies; models; pipelines; pressure gauges;     Show all 5 Subjects
Abstract:
... Inverse transient analysis (ITA) has been recognized as a useful technique for pipeline condition assessment, such as leak detection and pipe wall thickness estimation. The effectiveness and accuracy of the inverse analysis are dependent on the sensor placement design; however, previous research on this topic is limited. This paper investigates how the number and location of pressure sensors affec ...
DOI:
10.1007/s11269-019-02239-2

12. Multifunctional Green Sensor Prepared by Direct Laser Writing of Modified Wood Component

Author:
Niu, Muchuan; Yao, Yanbo; Shi, Yulin; Luo, Jiangjiang; Duan, Xiaoshuang; Liu, Tao; Guo, Xuhong
Source:
Industrial & engineering chemistry process design and development 2019 v.58 no.24 pp. 10364-10372
ISSN:
1520-5045
Subject:
sensors (equipment),   etc   ; carbon; carbonization; chemical structure; humidity; lignosulfonates; wood;     Show all 7 Subjects
Abstract:
... The carbonization process of the cheap and renewable biomass–sodium lignosulfonate (NaLS) as a green carbon sources by an in-situ environmentally friendly processing method—direct laser writing carbonization (DLWc)—was investigated. With various characterization methods the film formation conditions and laser processing parameters were investigated for their effect on physical and chemical structu ...
DOI:
10.1021/acs.iecr.9b00850

13. Quantitative Measurement of Spatial Effects of DNA Origami on Molecular Binding Reactions Detected using Atomic Force Microscopy

Author:
Zhang, Ping; Wang, Fei; Liu, Wenjing; Mao, Xiuhai; Hao, Changchun; Zhang, Yi; Fan, Chunhai; Hu, Jun; Wang, Lihua; Li, Bin
Source:
ACS applied materials & interfaces 2019 v.11 no.24 pp. 21973-21981
ISSN:
1944-8252
Subject:
sensors (equipment),   etc   ; DNA; atomic force microscopy; kinesin; nanomaterials; quantitative analysis;     Show all 6 Subjects
Abstract:
... DNA origami is a ubiquitous nanostructure that can be used as a universal scaffold for constructing molecular motors, nanosensors, nanodrugs, and optical devices. Understanding the inherent heterogeneity of DNA origami structures is crucial for optimizing the design of high-efficiency nanosized-devices. Here, we investigated the spatial effects of the DNA origami on binding reactions using atomic ...
DOI:
10.1021/acsami.9b01691

14. An electro-active amphiphilic copolymer to functionalize carbon nanotubes for highly sensitive determination of nitrite in water

Author:
Xu, Mengyi; Zhu, Xiaojie; Hong, Hui; Hu, Kezhen; Yang, Ran; Wang, Xiaoyu; Li, Xiaojie; Liu, Xiaoya
Source:
Colloids and surfaces 2019
ISSN:
0927-7757
Subject:
sensors (equipment),   etc   ; carbon nanotubes; composite polymers; detection limit; dispersibility; nitrites;     Show all 6 Subjects
Abstract:
... Carbon nanotubules (CNTs) are an attractive material to enhance the properties of electrochemical sensors because of their excellent conductivity. However, their poor dispersibility limits their application. In this paper, CNTs were successfully dispersed and stabilized through co-assembly with the copolymer poly(VMc-co-VCz-co-AA) (PCMA). The resulting PCMA/CNT sensor was able to rapidly measure n ...
DOI:
10.1016/j.colsurfa.2019.05.014

15. Double signal amplification through a functionalized nanoporous Au–Ag alloy microwire and Au nanoparticles: development of an electrochemical ˙OH sensor based on a self-assembled layer of 6-(ferrocenyl)hexanethiol

Author:
WangThese authors contributed equally to this work., Dongyang; Huang, Bintong; Li, Yingchun
Source:
Chemical communications 2019 v.55 no.17 pp. 2425-2428
ISSN:
1364-548X
Subject:
sensors (equipment),   etc   ; alloys; chemical reactions; electrochemistry; gold; nanogold; nanopores; silver;     Show all 8 Subjects
Abstract:
... Novel electrochemical sensors were developed based on a FcHT functionalized NPAMW and AuNPs for the analysis of ˙OH released from live cells. Self-assembled layers of FcHT can be selectively attacked by ˙OH, enabling simultaneous recognition and quantification of ˙OH, while the NPAMW and AuNPs provide a 3D multiplexed conductive structure rendering dual signal amplification. ...
DOI:
10.1039/c8cc08420c

16. Tuning the sub-processes in laser reduction of graphene oxide by adjusting the power and scanning speed of laser

Author:
Wan, Zhengfen; Wang, Shujun; Haylock, Ben; Kaur, Jasreet; Tanner, Philip; Thiel, David; Sang, Robert; Cole, Ivan S.; Li, Xiangping; Lobino, Mirko; Li, Qin
Source:
Carbon 2019 v.141 pp. 83-91
ISSN:
0008-6223
Subject:
sensors (equipment),   etc   ; carbon; graphene oxide; manufacturing; moieties; oxygen; transistors;     Show all 7 Subjects
Abstract:
... Laser reduction of graphene oxide is a promising technology for manufacturing advanced devices such as supercapacitors, sensors and transistors, owing to its distinctive advantages in selective and localized GO reduction, direct micro-nanoscale patterning, and no requirement for chemicals. However, the fundamental mechanism underlying the laser induced reduction is still not well understood. In th ...
DOI:
10.1016/j.carbon.2018.09.030

17. Correction: One-step trapping of droplets and surface functionalization of sensors using gold-patterned structures for multiplexing in biochips

Author:
Dias, T. M.; Fernandes, E.; Cardoso, S.; Monteiro, G.; Freitas, P. P.
Source:
RSC advances 2017 v.7 no.73 pp. 46124
ISSN:
2046-2069
Subject:
sensors (equipment),   etc   ; droplets; trapping;     Show all 3 Subjects
Abstract:
... Correction for ‘One-step trapping of droplets and surface functionalization of sensors using gold-patterned structures for multiplexing in biochips’ by T. M. Dias et al., RSC Adv., 2017, 7, 43273–43282. ...
DOI:
10.1039/c7ra90095c

18. All-graphene strain sensor on soft substrate

Author:
Chun, Sungwoo; Choi, Yeonhoi; Park, Wanjun
Source:
Carbon 2017 v.116 pp. 753-759
ISSN:
0008-6223
Subject:
sensors (equipment),   etc   ; electrodes; graphene;     Show all 3 Subjects
Abstract:
... We propose a transparent and stretchable all-graphene strain sensor that can detect various types of strain induced via stretching, bending, and torsion. The sensor is fabricated by introducing single-layer graphene as a force sensing material with a conductive film composed of graphene flake for the electrode. With the exclusive use of flexible materials, the completed strain sensor is fully flex ...
DOI:
10.1016/j.carbon.2017.02.058

19. Correction: A bodipy based hydroxylamine sensor

Author:
Sedgwick, Adam C.; Chapman, Robert S. L.; Gardiner, Jordan E.; Peacock, Lucy R.; Kim, Gyoungmi; Yoon, Juyoung; Bull, Steven D.; James, Tony D.
Source:
Chemical communications 2018 v.54 no.77 pp. 10922
ISSN:
1364-548X
Subject:
sensors (equipment),   etc   ; analytical methods; chemical reactions; hydroxylamine;     Show all 4 Subjects
Abstract:
... Correction for ‘A bodipy based hydroxylamine sensor’ by Adam C. Sedgwick et al., Chem. Commun., 2017, 53, 10441–10443. ...
DOI:
10.1039/c8cc90409j

20. Frontiers in highly sensitive molecularly imprinted electrochemical sensors: Challenges and strategies

Author:
Yang, Bin; Fu, Cong; Li, Jianping; Xu, Guobao
Source:
Trends in analytical chemistry 2018 v.105 pp. 52-67
ISSN:
0165-9936
Subject:
sensors (equipment),   etc   ; electrodes; molecular imprinting; polymers;     Show all 4 Subjects
Abstract:
... Sensitivity is an important parameter of molecularly imprinted electrochemical sensors, and various methods have been extensively investigated to improve this parameter. This review focuses on recent reports about different methods that can enhance the sensitivity of these sensors. To a great extent, the sensitivity of the molecularly imprinted sensor is limited by the number of cavities formed in ...
DOI:
10.1016/j.trac.2018.04.011