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Sensors, Volume 24, Issue 4

February-2 2024 - 306 articles

Cover Story: In this paper, a nanomaterial substrate functionalized with cyclodextrin-encapsulated gold nanoparticles (SH-β-CD@AuNPs) was prepared by reacting o-phenylenediamine (OPD) with nitrite, incorporating mono-(6-mercapto)-β-cyclodextrin molecules and AuNPs. Nitrate was oxidized to nitrite via vanadium (III) chloride, followed by the cyclization of nitrite and OPD under acidic conditions to form benzotriazole (BTAH). Experimental results show that BTAH exhibits distinct SERS characteristic peaks at 1168, 1240, 1375, and 1600 cm−1, with the lowest detection limits of 3.33 × 10−2, 5.84 × 10−2, 2.40 × 10−2, and 1.05 × 10−2 μmol/L, respectively, and a linear range of 0.1–30.0 μmol/L. The proposed method provides an effective tool for selective and accurate online detection of nitrite and nitrate nitrogen in aquaculture water. View this paper
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Articles (306)

  • Article
  • Open Access
8 Citations
4,035 Views
12 Pages

A Flexible Wearable Sensor Based on Laser-Induced Graphene for High-Precision Fine Motion Capture for Pilots

  • Xiaoqing Xing,
  • Yao Zou,
  • Mian Zhong,
  • Shichen Li,
  • Hongyun Fan,
  • Xia Lei,
  • Juhang Yin,
  • Jiaqing Shen,
  • Xinyi Liu and
  • Man Xu
  • + 4 authors

19 February 2024

There has been a significant shift in research focus in recent years toward laser-induced graphene (LIG), which is a high-performance material with immense potential for use in energy storage, ultrahydrophobic water applications, and electronic devic...

  • Article
  • Open Access
9 Citations
2,250 Views
22 Pages

19 February 2024

A collection of smaller, less expensive sensor nodes called wireless sensor networks (WSNs) use their sensing range to gather environmental data. Data are sent in a multi-hop manner from the sensing node to the base station (BS). The bulk of these se...

  • Article
  • Open Access
2 Citations
1,585 Views
17 Pages

Research on Alternating Current Field Measurement Method for Buried Defects of Titanium Alloy Aircraft Skin

  • Chunhui Liao,
  • Ruize Wang,
  • Cheng Lv,
  • Tao Chen,
  • Zhiyang Deng and
  • Xiaochun Song

19 February 2024

Titanium alloys are extensively used in the manufacturing of key components in aerospace engines and aircraft structures due to their excellent properties. However, aircraft skins in harsh operating environments are subjected to long-term corrosion a...

  • Article
  • Open Access
13 Citations
4,913 Views
14 Pages

19 February 2024

Addressing the increasing demand for remote patient monitoring, especially among the elderly and mobility-impaired, this study proposes the “ScalableDigitalHealth” (SDH) framework. The framework integrates smart digital health solutions w...

  • Article
  • Open Access
6 Citations
4,433 Views
19 Pages

19 February 2024

In Advanced Driving Assistance Systems (ADAS), Automated Driving Systems (ADS), and Driver Assistance Systems (DAS), RGB camera sensors are extensively utilized for object detection, semantic segmentation, and object tracking. Despite their popularit...

  • Communication
  • Open Access
5 Citations
3,249 Views
9 Pages

Jumping Motor Skills in Typically Developing Preschool Children Assessed Using a Battery of Tests

  • Ewa Gieysztor,
  • Aleksandra Dawidziak,
  • Mateusz Kowal and
  • Małgorzata Paprocka-Borowicz

19 February 2024

The preschool period is characterised by the improvement in motor skills. One of the developmental tasks in children is the ability to jump. Jumping plays an important role in the development of leg strength and balance. It is the gateway to more com...

  • Article
  • Open Access
10 Citations
2,907 Views
19 Pages

19 February 2024

The trajectory or moving-target tracking feature is desirable, because it can be used in various applications where the usefulness of UAVs is already proven. Tracking moving targets can also be applied in scenarios of cooperation between mobile groun...

  • Article
  • Open Access
5 Citations
2,411 Views
23 Pages

19 February 2024

One of the main lines of research in distributed learning in recent years is the one related to Federated Learning (FL). In this work, a decentralized Federated Learning algorithm based on consensus (CoL) is applied to Wireless Ad-hoc Networks (WANET...

  • Article
  • Open Access
7 Citations
2,143 Views
19 Pages

19 February 2024

Underwater acoustic technology as an important means of exploring the oceans is receiving more attention. Denoising for underwater acoustic information in complex marine environments has become a hot research topic. In order to realize the hydrophone...

  • Review
  • Open Access
9 Citations
6,198 Views
21 Pages

Wearables for Monitoring and Postural Feedback in the Work Context: A Scoping Review

  • Vânia Figueira,
  • Sandra Silva,
  • Inês Costa,
  • Bruna Campos,
  • João Salgado,
  • Liliana Pinho,
  • Marta Freitas,
  • Paulo Carvalho,
  • João Marques and
  • Francisco Pinho

19 February 2024

Wearables offer a promising solution for simultaneous posture monitoring and/or corrective feedback. The main objective was to identify, synthesise, and characterise the wearables used in the workplace to monitor and postural feedback to workers. The...

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Sensors - ISSN 1424-8220Creative Common CC BY license