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1. Nanopore-Based Electrodes for Quinotrione Detection: Host–Guest-Induced Electrochemical Signal Switching

Author:
Zhang, Jin; Lucas, Rachel A.; Gu, Yulin; Yang, Yuxia; Sun, Kunpeng; Li, Haibing
Source:
Analytical chemistry 2021 v.93 no.13 pp. 5430-5436
ISSN:
1520-6882
Subject:
portable equipment,   etc   ; analytical chemistry; chemical species; electrochemistry; electrodes; nanopores; pesticides;     Show all 7 Subjects
Abstract:
... Nanopore-based detection techniques, with a wide range of transport properties, exhibit impressive selectivity and sensitivity for analytes. To expand the application of nanoporous sensors, real-time and fast detection of targets, all within a portable device, is highly desired for nanopore-based sensors. In addition, to improve the accuracy of the output signal, more appropriate readout methods a ...
DOI:
10.1021/acs.analchem.0c05033

2. A Photogrammetry-Based Workflow for the Accurate 3D Construction and Visualization of Museums Assets

Author:
Apollonio, Fabrizio Ivan; Fantini, Filippo; Garagnani, Simone; Gaiani, Marco
Source:
Remote Sensing 2021 v.13 no.3
ISSN:
2072-4292
Subject:
portable equipment,   etc   ; automation; classification; cultural heritage; geometry; museums; paper;     Show all 7 Subjects
Abstract:
... Nowadays digital replicas of artefacts belonging to the Cultural Heritage (CH) are one of the most promising innovations for museums exhibitions, since they foster new forms of interaction with collections, at different scales. However, practical digitization is still a complex task dedicated to specialized operators. Due to these premises, this paper introduces a novel approach to support non-exp ...
DOI:
10.3390/rs13030486

3. Food object recognition using a mobile device: Evaluation of currently implemented systems

Author:
Knez, Simon; Šajn, Luka
Source:
Trends in food science & technology 2020 v.99 pp. 460-471
ISSN:
0924-2244
Subject:
portable equipment,   etc   ; dieting; image analysis;     Show all 3 Subjects
Abstract:
... Food object recognition systems present an attractive and useful research field since they enable objective measurements of eating activity. This feature is helpful and welcome in many dieting related instances, especially for managing health conditions or for analyzing eating patterns of research subjects.We evaluate current food object recognition systems that were implemented on a mobile device ...
DOI:
10.1016/j.tifs.2020.03.017

4. A portable test strip based on fluorescent europium-based metal–organic framework for rapid and visual detection of tetracycline in food samples

Author:
Gan, Ziyu; Hu, Xuetao; Xu, Xuechao; Zhang, Wen; Zou, Xiaobo; Shi, Jiyong; Zheng, Kaiyi; Arslan, Muhammad
Source:
Food chemistry 2021 v.354 pp. 129501
ISSN:
0308-8146
Subject:
portable equipment,   etc   ; beef; coordination polymers; detection; electron transfer; fluorescence; food chemistry; humans; milk; rapid methods; tetracycline;     Show all 11 Subjects
Abstract:
... Residual tetracycline (TC) in animal food caused by abuse of antibiotics leads to many chronic diseases in the human body. The development of a simple and on-site visualization method for TC detection is need of the hour. Herein, a fluorescent europium-based metal–organic framework (Eu-MOF) sensor for visual and rapid detection of TC was developed. Eu-MOF displays a red emission being excited at 2 ...
DOI:
10.1016/j.foodchem.2021.129501

5. Smartphone as a simple device for visual and on-site detection of fluoride in groundwater

Author:
Tian, Yayang; Che, Huachao; Wang, Jiahuan; Wang, Dan; Yang, Liangzhe; Wang, Longyan; Nie, Yulun; Tian, Xike
Source:
Journal of hazardous materials 2021 v.411 pp. 125182
ISSN:
0304-3894
Subject:
portable equipment,   etc   ; color; detection limit; fluorescence; fluorides; groundwater; mobile telephones; tautomerization;     Show all 8 Subjects
Abstract:
... Developing a portable device for visual and on-site detection of fluoride in groundwater is highly anticipated. In this paper, 2-(tert-butyl-diphenylsilanyloxy)−5-nitro-1H-benzoimidazole (1) has been rationally designed via a silanization reaction for self-calibration detection of fluoride, and the detection limit was calculated as 0.11 μM. The contact of 1 with fluoride would induce the cleavage ...
DOI:
10.1016/j.jhazmat.2021.125182

6. Inter-Urban Analysis of Pedestrian and Drivers through a Vehicular Network Based on Hybrid Communications Embedded in a Portable Car System and Advanced Image Processing Technologies

Author:
Zadobrischi, Eduard; Dimian, Mihai
Source:
Remote Sensing 2021 v.13 no.7
ISSN:
2072-4292
Subject:
portable equipment,   etc   ; administrative management; architecture; classification; density; detection; hybrids; light; paper; radio waves; traffic;     Show all 11 Subjects
Abstract:
... Vehicle density and technological development increase the need for road and pedestrian safety systems. Identifying problems and addressing them through the development of systems to reduce the number of accidents and loss of life is imperative. This paper proposes the analysis and management of dangerous situations, with the help of systems and modules designed in this direction. The approach and ...
DOI:
10.3390/rs13071234

7. Greater self-reported preference for fat taste and lower fat restraint are associated with more frequent intake of high-fat food

Author:
Chmurzynska, Agata; Mlodzik-Czyzewska, Monika A.; Malinowska, Anna M.; Radziejewska, Anna; Mikołajczyk-Stecyna, Joanna; Bulczak, Ewa; Wiebe, Douglas J.
Source:
Appetite 2021 v.159 pp. 105053
ISSN:
0195-6663
Subject:
portable equipment,   etc   ; appetite; energy intake; food intake; frequency; high fat foods; ingestion; meat; overweight; people; questionnaires; taste; weight; Poland;     Show all 14 Subjects
Abstract:
... The determinants of the intake of high-fat products are not well recognized, but fat preference may be one of them. The aim of this study was thus to determine whether intake of different types of high-fat food is associated with fat preference in people with normal and increased body weight.Participants aged 20–40 years [n = 421] were enrolled in Poznań, Poland in 2016–2018. Fat preference was me ...
DOI:
10.1016/j.appet.2020.105053

8. A New Approach for Microfabrication of Printed Circuit Boards with Ultrafine Traces

Author:
Mirvakili, Seyed M.; Broderick, Kurt; Langer, Robert S.
Source:
ACS applied materials & interfaces 2019 v.11 no.38 pp. 35376-35381
ISSN:
1944-8252
Subject:
portable equipment,   etc   ; electronic equipment; nanotechnology;     Show all 3 Subjects
Abstract:
... The advances in micro/nanofabrication techniques have enabled miniaturization of printed circuit boards (PCBs) for various applications such as portable devices, smart sensors, and IoTs, to name a few. PCBs provide electrical connectivity between the components as well as mechanical support. Down-scaling of PCBs is crucial for miniaturization of large systems and devices. Currently, microtraces do ...
DOI:
10.1021/acsami.9b08761

9. Spatial Knowledge Acquisition with Mobile Maps: Effects of Map Size on Users’ Wayfinding Performance with Interactive Interfaces

Author:
Chen, Chien-Hsiung; Li, Xiao
Source:
ISPRS international journal of geo-information 2020 v.9 no.11
ISSN:
2220-9964
Subject:
portable equipment,   etc   ; Sus; design; knowledge; questionnaires; spatial data;     Show all 6 Subjects
Abstract:
... Restricted by the small screen size, it is challenging for users to obtain all the wayfinding content they need when utilizing mobile devices. This study investigated the effects of map size and interactive interface on users’ wayfinding performance and preference when using mobile devices. Two types of interactive interfaces (i.e., panning and peephole interfaces) and three different map sizes (i ...
DOI:
10.3390/ijgi9110614

10. High-Performance Electromagnetic Wave Absorbing CNT/SiCf Composites: Synthesis, Tuning, and Mechanism

Author:
Xu, Jiaming; Xia, Long; Luo, Juhua; Lu, Siru; Huang, Xiaoxiao; Zhong, Bo; Zhang, Tao; Wen, Guangwu; Wu, Xin; Xiong, Li; Wang, Gang
Source:
ACS applied materials & interfaces 2020 v.12 no.18 pp. 20775-20784
ISSN:
1944-8252
Subject:
portable equipment,   etc   ; aircraft; carbon nanotubes; electromagnetic radiation; silicon carbide;     Show all 5 Subjects
Abstract:
... High-performance electromagnetic (EM) wave absorbing materials are strongly desired in many fields like portable devices and aircraft. Introducing carbon nanotubes (CNTs) to certain materials has been proved to be an effective method leading to good EM wave absorption capability. In this work, CNTs are successfully synthesized on SiC fibers with high speed by using a newly developed method which i ...
DOI:
10.1021/acsami.9b19281

11. Quantitative analysis of various targets based on aptamer and functionalized Fe3O4@graphene oxide in dairy products using pregnancy test strip and smartphone

Author:
Zhong, Zi-Tao; Wang, Hai-Bo; Zhang, Ting; Li, Chao-Qing; Liu, Bo; Zhao, Yuan-Di
Source:
Food chemistry 2021 v.352 pp. 129330
ISSN:
0308-8146
Subject:
portable equipment,   etc   ; chemical species; chloramphenicol; detection; flow; food chemistry; human chorionic gonadotropin; laboratories; mobile telephones; oligonucleotides; pregnancy; quantitative analysis; rapid methods;     Show all 13 Subjects
Abstract:
... Pregnancy test strips are one of the most mature and widely used commercial lateral flow devices used to determine pregnancy. Being a simple and rapid detection method, human chorionic gonadotropin (hCG) was used with different aptamers (hCG-apt) as probes for the detection of metal ions, small organic molecules, and proteins. Quantitative detection of target analytes was achieved using a smartpho ...
DOI:
10.1016/j.foodchem.2021.129330

12. A soft-computing approach to estimate soil electrical conductivity

Author:
Baradaran Motie, Jalal; Aghkhani, Mohammad H.; Rohani, Abbas; Lakzian, Amir
Source:
Biosystems engineering 2021 v.205 pp. 105-120
ISSN:
1537-5110
Subject:
portable equipment,   etc   ; bulk density; clay; data collection; experimental design; multivariate analysis; neural networks; response surface methodology; salinity; semiarid zones; soil electrical conductivity; soil salinity; temperature; water content;     Show all 14 Subjects
Abstract:
... Soil apparent electrical conductivity (ECₐ) is an indirect and rapid measurement for soil salinity, but because of its dependency on some physical and chemical properties of soil in addition to salinity, consideration of the soil extract EC is preferred for monitoring soil salinity, especially in semi-arid areas, though its measurement needs laboratory processes. This study, therefore, sought to d ...
DOI:
10.1016/j.biosystemseng.2021.02.015

13. Electrochemical micropipette-tip for low-cost environmental applications: Determination of anionic surfactants through their interaction with methylene blue

Author:
González-López, Andrea; Costa-Rama, Estefanía; Fernández-Abedul, M. Teresa
Source:
Talanta 2021 v.224 pp. 121732
ISSN:
0039-9140
Subject:
portable equipment,   etc   ; anionic surfactants; carbon; cells; cost effectiveness; design; electrochemistry; electrodes; environmental monitoring; extraction; methylene blue; pins; polypropylenes; reproducibility; sampling; sodium dodecyl sulfate; stainless steel; standard deviation; water;     Show all 19 Subjects
Abstract:
... Miniaturization is one of the main requirements in the design of portable devices that allow in-field analysis. This is especially interesting in environmental monitoring, where the time of the sample-to-result process could be decreased considerably by approaching the analytical platforms to the sampling point. We employed traditional mass-produced and low-cost elements (micropipette tips and pin ...
DOI:
10.1016/j.talanta.2020.121732

14. Prediction of stable isotopes and fatty acids in subcutaneous fat of Iberian pigs by means of NIR: A comparison between benchtop and portable systems

Author:
González-Martín, María Inmaculada; Escuredo, Olga; Hernández-Jiménez, Miriam; Revilla, Isabel; Vivar-Quintana, Ana MA.; Martínez-Martín, Iván; Hernández-Ramos, Pedro
Source:
Talanta 2021 v.224 pp. 121817
ISSN:
0039-9140
Subject:
portable equipment,   etc   ; Iberian (swine breed); correlation; fatty acid composition; fatty acids; gas chromatography; prediction; sampling; slaughter; spectrophotometers; stable isotopes; subcutaneous fat;     Show all 12 Subjects
Abstract:
... The potential of a portable Near Infrared spectrophotometer compared with that of NIR benchtop equipment is assessed to determine the¹³C/¹²C relationship of stable isotopes and the fatty acid content. 105 samples of subcutaneous fat of Iberian pigs collected at the time of their slaughter have been analyzed. The analysis of stable isotopes and gas chromatography were the methods of reference used. ...
DOI:
10.1016/j.talanta.2020.121817

15. A recombinase polymerase amplification–based assay for rapid detection of Chlamydia psittaci

Author:
Pang, Yanling; Cong, Feng; Zhang, Xinheng; Li, Hongxin; Chang, Yung-Fu; Xie, Qingmei; Lin, Wencheng
Source:
Poultry science 2021 v.100 no.2 pp. 585-591
ISSN:
0032-5791
Subject:
portable equipment,   etc   ; ; Chlamydophila psittaci; DNA; cross reaction; genes; outer membrane proteins; pneumonia; poultry science; public health; rapid methods; recombinase polymerase amplification; recombinases; risk;     Show all 14 Subjects
Abstract:
... Chlamydia psittaci is a zoonotic agent of systemic wasting disease in birds and atypical pneumonia in mammalians including humans, constituting a public health risk. A rapid diagnostic assay would be beneficial in screening C. psittaci in the field. In this study, we developed a probe-based recombinase polymerase amplification (RPA) assay for the rapid detection of C. psittaci. The specific primer ...
DOI:
10.1016/j.psj.2020.11.031

16. Rapid safety and quality control during fish shelf‐life by using a portable device

Author:
Castrica, Marta; Chiesa, Luca Maria; Nobile, Maria; De Battisti, Francesca; Siletti, Elena; Pessina, Davide; Panseri, Sara; Balzaretti, Claudia M
Source:
Journal of the science of food and agriculture 2021 v.101 no.1 pp. 315-326
ISSN:
0022-5142
Subject:
portable equipment,   etc   ; Salmo salar; agriculture; electronic nose; fish consumption; food industry; food storage; freshness; perishable foods; quality control; refrigeration; risk; salmon; shelf life; storage time; sushi; temperature;     Show all 17 Subjects
Abstract:
... BACKGROUND: Fish consumption is increasing nowadays both because of its positive role for health due to the abundant presence of unsaturated fatty acids and for its use in many new food preparations (e.g. raw fillet used for uncooked sushi and sashimi dishes). The growing food industry and increased demand for the long‐term storage and preservation of food have created the need to develop methods ...
DOI:
10.1002/jsfa.10646

17. Detecting Harmful Algal Blooms with Isothermal Molecular Strategies

Author:
Toldrà, Anna; O’Sullivan, Ciara K.; Campàs, Mònica
Source:
Trends in biotechnology 2019 v.37 no.12 pp. 1278-1281
ISSN:
0167-7799
Subject:
portable equipment,   etc   ; algal blooms; gene amplification;     Show all 3 Subjects
Abstract:
... The use of isothermal nucleic acid amplification strategies to detect harmful algal blooms (HABs) is in its infancy. We describe recent advances in these systems and highlight the challenges for the achievement of simple, low-cost, compact, and portable devices for field applications. ...
DOI:
10.1016/j.tibtech.2019.07.003

18. Facile and Scalable Fabrication of Flexible Reattachable Ionomer Nanopatterns by Continuous Multidimensional Nanoinscribing and Low-temperature Roll Imprinting

Author:
Oh, Dong Kyo; Nguyen, Dang Thuan; Lee, Seungjo; Ko, Pyeongsam; Heo, Gi-Seok; Yun, Chang-Hun; Ha, Tae-Won; Youn, Hongseok; Ok, Jong G.
Source:
ACS applied materials & interfaces 2019 v.11 no.12 pp. 12070-12076
ISSN:
1944-8252
Subject:
portable equipment,   etc   ; adhesion; polymers; temperature; thermosensitivity;     Show all 5 Subjects
Abstract:
... We develop a facile route to the scalable fabrication of flexible reattachable ionomer nanopatterns (RAINs) by continuous nanoinscribing and low-temperature roll imprinting, which are repeatedly attachable to and detachable from arbitrarily shaped surfaces. First, by sequentially performing continuous nanoinscribing over a polymer substrate along the multiple directions, we readily create the mult ...
DOI:
10.1021/acsami.8b21915

19. A Simple Automated Laser Profile Meter

Author:
Polyakov, V.; Nearing, M.
Source:
Soil Science Society of America journal 2019 v.83 no.2 pp. 327-331
ISSN:
0361-5995
Subject:
portable equipment,   etc   ; automation; lidar; lighting; roughness; soil;     Show all 6 Subjects
Abstract:
... An automated profile meter with vertical precision of ±0.2 mm was built to measure soil surface elevations. It consists of a laser distance meter mounted on an automated linear motion system. Operation and data logging is conducted wirelessly using a Bluetooth enabled mobile device. The profile meter performed well under various lighting conditions and on a variety of natural materials, with the e ...
Handle:
10113/6471240
DOI:
10.2136/sssaj2018.10.0378

20. Evaluation of the Use of a City Center through the Use of Bluetooth Sensors Network

Author:
Martínez Plumé, Javier; Marténez Durá, Juan José; Cirilo Gimeno, Ramón Vicente; Soriano García, Francisco Ramón; García Celda, Antonio
Source:
Sustainability 2019 v.11 no.4
ISSN:
2071-1050
Subject:
portable equipment,   etc   ; algorithms; cities; vehicles (equipment);     Show all 4 Subjects
Abstract:
... In order to achieve the objectives of Smart Cities, public administrations need to take measures to regulate mobility, which undoubtedly requires a high level of information and sensorization. Until the implementation of the connected vehicle takes place, it is still necessary to install sensors to obtain information about mobility. Bluetooth sensors are becoming a useful tool due to the low cost ...
DOI:
10.3390/su11041002