Article
Chemistry, Inorganic & Nuclear
Mani Rajasekar, Saravanan Geetha Sree Agash, Chiterasu Narendran, Kumarasan Rajasekar
Summary: Luminescent chemosensors for sensing Cu2+ have gained significant attention in recent years due to their potential applications in biochemistry and environmental research. These sensors are based on host-guest interactions, which include van der Waals forces, hydrophobic contacts, electrostatic forces, coordination between metal ligands, and hydrogen bonds. They allow for selective detection of different species, making them valuable for detecting metal ions in biological and environmental systems. Small-molecule fluorescence probes that utilize selective, bio-orthogonal chemistry have been summarized for their ability to recognize Cu2+ ions in this article.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Sohail Amin Malik, Aijaz Ahmad Dar, Javid Ahmad Banday
Summary: In this study, novel hydrogel beads based on alginate (Alg) and alginate-chitosan (Alg-Ch) were fabricated using a trivalent lanthanide dysprosium (Dy3+) ion as a crosslinking agent. The chemical composition, morphology, and viscoelasticity of the hydrogels were characterized using FT-IR, FESEM, and rheology. The results showed that the addition of chitosan resulted in a significant macro-porous structure in the hybrid beads. The Dy-Alg beads exhibited higher viscoelasticity compared to the Dy-Alg-Ch hybrid beads. Moreover, the hybrid beads with a ratio of 1:2 or 1:1 showed stable gel structure up to 80 degrees C, indicating the stabilization effect of adding chitosan to the Dy-Alg beads. The beads with higher chitosan content showed higher adsorption of cationic dye Rhodamine B (RhB), while lower chitosan content favored the adsorption of anionic dye Fluorescein (Flu).
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Engineering, Electrical & Electronic
Maria Gorbunova, Polina Yu Evstigneeva, Vladimir V. Apyari, Stanislava G. Dmitrienko
Summary: The study found that a monitor calibrator can be used as a portable tool to detect luminescent substances, demonstrated by its ability to detect rhodamine 3B and fluorescein, with the lowest detection limit being 0.03 and 0.01 mu mol L-1, respectively.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2021)
Article
Chemistry, Multidisciplinary
Miao Zhu, Xixin Wang, Dongxin Liu, Zekun Yin, Fenglin Li, Jianling Zhao
Summary: ZrO2 nano-porous films with different morphologies were prepared by anodic oxidation method, and then composite fluorescent films were obtained by immobilizing rhodamine B (RB) and fluorescein (FL) on the surface of ZrO2. The effects of ZrO2 morphology, loading amount of RB and FL, excitation wavelength, and FL/RB ratio on the fluorescence performance of the composite films and the FL-RB fluorescence resonance energy transfer (FRET) system were studied. Results showed that the optimized ZrO2 nanoporous film significantly improved the fluorescence performance of RB and FL, with emission intensity increased by 4.5 and 5.7 times, respectively. The efficiency of FRET system on ZrO2 nano-porous film was significantly higher than that in aqueous solution.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2021)
Article
Biochemical Research Methods
Xincheng Yao, Devrim Toslak, Taeyoon Son, Jiechao Ma
Summary: This study aims to derive the relationship between visual-angle and eye-angle for reliable determination of FOV in wide field fundus photography. Non-linear conversion ratios between central and peripheral regions are observed, with a 1.51-fold difference in conversions at different areas of the field of view.
BIOMEDICAL OPTICS EXPRESS
(2021)
Article
Environmental Sciences
Leon Amadeus Varga, Sebastian Koch, Andreas Zell
Summary: This research focuses on optimizing input images to improve the performance of object detectors, rather than solely improving image quality or detection models. Through empirical analysis, the study demonstrates the varying impacts of different parameters on detection accuracy and data throughput, and provides best practice recommendations based on the findings.
Article
Chemistry, Applied
Ziyan Wang, Jingyao Li, Yanbin Sun, Jiangtao Peng, Jian Wang, Yizhan Hao, Wenqing Li, Peiping Zhang, Weikun Ning, Shiding Miao
Summary: The study enhanced the fluorescence resonance energy transfer between fluorescein and rhodamine B through the Langmuir-Blodgett technique. The successful incorporation of clay sheets in hybrid films with loaded dye molecules, along with spectroscopic measurements, led to high efficiency FRET transfer from fluorescein to rhodamine B.
Article
Agronomy
Yang Liu, Yan Chen, Ming Wen, Yang Lu, Fuyu Ma
Summary: The study aimed to estimate leaf nitrogen content (LNC) and plant nitrogen content (PNC) in cotton using low-cost UAV-based digital system. The correlation between N content and visible light vegetation indices (VIs) was analyzed, and different models were developed using Random Forest, Support Vector Machine, Back Propagation Neural Network, and stepwise multiple linear regression. The results showed that the best accuracy was obtained when applying Random Forest at the peak squaring stage. This study highlights the potential of using affordable and non-destructive UAV-based digital system for nitrogen content estimation in cotton fields.
Article
Engineering, Chemical
Joao Peres Ribeiro, Margarida S. C. A. Brito, Ricardo Jorge Santos, Maria Isabel Nunes
Summary: This study aimed to test and optimize reactive Planar Laser-Induced Fluorescence (PLIF) methods for visualizing micromixing regions in chemical reactors. Two methods were tested and suitable operational conditions were determined. The mixing and reaction regions were visualized using PLIF images and the Fenton's reaction method.
Article
Engineering, Mechanical
Brody Di Bella, Mehdi Khatamifar, Wenxian Lin
Summary: Flow visualisation is an important tool in studying fluid dynamics, providing a visible presentation and quantitative description of unsteady flow fields. The study used different dye types, concentrations, and injection nozzle sizes to visualise a Karman vortex street flow. The analysis revealed that dye intensity is dependent on concentration and nozzle size. Results indicated that fluorescein dye at a concentration of 1250 mg/L was the superior choice for flow visualisation, and injection nozzles with diameters of 0.51 mm and 0.9 mm allowed for precise dye release.
FLOW MEASUREMENT AND INSTRUMENTATION
(2022)
Article
Agriculture, Multidisciplinary
Xinlong Zhao, Yankun Peng, Yongyu Li, Yali Wang, Yang Li, Yahui Chen
Summary: A close detection system was designed using a multispectral sensor and an RGB-D camera carried by micro unmanned aerial vehicles (UAVs) for determining the internal and external quality of apples on trees. The system utilized the RGB-D camera to perceive the spatial position and predict the diameter of the apple, and the self-optimized multispectral sensor for apple soluble solid content (SSC) detection. The results showed that the system has the potential to accurately detect the quality of apples on trees.
COMPUTERS AND ELECTRONICS IN AGRICULTURE
(2023)
Article
Construction & Building Technology
Yi Tan, Wen Yi, Penglu Chen, Yang Zou
Summary: This study proposes a global-local adaptive inspection method for building surfaces by integrating BIM, UAV, and edge computing, enabling real-time synchronization of crack data collection and analysis. The method significantly improves efficiency and reduces costs.
AUTOMATION IN CONSTRUCTION
(2024)
Article
Engineering, Aerospace
Shengyang Chen, Weifeng Zhou, An-Shik Yang, Han Chen, Boyang Li, Chih-Yung Wen
Summary: Visual SLAM and UAV navigation are gaining increasing attention in research and education. To efficiently develop navigation algorithms and autonomous systems, as well as for educational purposes, the ROS-Gazebo-PX4 simulator has been customized to provide an end-to-end simulation solution. Unlike other simulators, this platform can simulate all localization, mapping, and path-planning tools. The navigation stack performs well in tests, with low absolute pose errors.
Article
Chemistry, Analytical
Anna Fryskowska-Skibniewska, Paulina Delis, Michal Kedzierski, Dominik Matusiak
Summary: The study analyzed the possibilities of geometric calibration of thermal UAV cameras using proposed test field patterns and materials, showing that the consecutive application of processing methods significantly improved the effectiveness. Specific methods for thermogram sharpness enhancement resulted in standard deviations two to three times better than results without any correction, indicating satisfactory results for fast and low-cost calibration.
Article
Environmental Sciences
Adam Mlynarczyk, Slawomir Krolewicz, Monika Konatowska, Grzegorz Jankowiak
Summary: This study focuses on the experiments using the Yuneec E10T thermal imaging camera in environmental research and evaluates the camera's radiometric calibration and stability.
Article
Environmental Sciences
Dominika Kalinowska, Pawel Wielgat, Tomasz Kolerski, Piotr Zima
Article
Multidisciplinary Sciences
Pawel Wielgat, Dominika Kalinowska, Adam Szymkiewicz, Piotr Zima, Beata Jaworska-Szulc, Ewa Wojciechowska, Nicole Nawrot, Karolina Matej-Lukowicz, Lidia Anita Dzierzbicka-Glowacka
Summary: This study analyzed the impact of fertilization changes on crop yields and nutrient runoff in a small agricultural catchment using the SWAT model. Results showed that the annual loads of NO3 and organic phosphorous were relatively low for different crops, while the surface runoff of dissolved Glyphosate was relatively high.
Article
Chemistry, Analytical
Pawel Burdziakowski, Angelika Zakrzewska
Summary: The continuous development of reality modeling measurement technologies includes popular methods such as remote sensing techniques and active methods. A research paper introduced a process of integrating TLS and UAV image data for spatial mapping of complex steel structures, along with a new structure extraction method. The developed technology aims to acquire precise information and automatically extract key points for engineering purposes.
Article
Chemistry, Analytical
Pawel Burdziakowski, Katarzyna Bobkowska
Summary: The authors of this paper discuss the potential and challenges of using UAV photogrammetry during darker time of the day, highlighting the differences in day- and night-time photogrammetric models and factors affecting them. They also present conclusions based on their comparisons of the two models.
Article
Environmental Sciences
Michal Szydlowski, Wojciech Artichowicz, Piotr Zima
Summary: The Vistula Lagoon is located in both Poland and Russia along the southern coast of the Baltic Sea. This paper aims to identify the dominant factors underlying the water level variation mechanism at Tolkmicko in the lagoon, with historical research showing complexity in water exchange. The analysis reveals that water level variation on the Polish side is mainly influenced by the water level in the Gulf of Gdansk and wind action, with an estimated average annual marine water inflow of 15.87 km(3).
Article
Energy & Fuels
Pawel Burdziakowski
Summary: Photogrammetry using unmanned aerial vehicles is popular but can be impacted by unsuitable lighting conditions and unstable flight. A new method has been proposed to improve image quality and enhance both interpretative and geometric aspects of photogrammetric products.
Article
Energy & Fuels
Katarzyna Bobkowska, Pawel Burdziakowski, Jakub Szulwic, Karolina M. Zielinska-Dabkowska
Summary: This study investigated the impact of different types of LED lighting on the quality of photogrammetric studies on a 3D urban mock-up. By evaluating artificial light sources and point cloud data, the research compared the quality of photogrammetric studies under various lighting conditions, providing insights for urban lighting monitoring and selection of lighting conditions.
Editorial Material
Chemistry, Analytical
Andrzej Stateczny, Marta Wlodarczyk-Sielicka, Pawel Burdziakowski
Article
Agronomy
Lidia Dzierzbicka-Glowacka, Dawid Dybowski, Maciej Janecki, Ewa Wojciechowska, Beata Szymczycha, Dawid Potrykus, Artur Nowicki, Adam Szymkiewicz, Piotr Zima, Beata Jaworska-Szulc, Stefan Pietrzak, Grazyna Pazikowska-Sapota, Dominika Kalinowska, Nicole Nawrot, Pawel Wielgat, Grazyna Dembska, Karolina Matej-Lukowicz, Katarzyna Szczepanska, Tadeusz Puszkarczuk
Summary: The changes in marine coastal zones are of great significance due to the increasing human population living in these areas. This study presents an innovative toolkit that allows researchers to identify and assess the sources of nutrient and pesticide pollution, calculate their flux, and evaluate their influence on the coastal ecosystem.
AGRICULTURAL WATER MANAGEMENT
(2022)
Article
Energy & Fuels
Mariusz Specht, Cezary Specht, Andrzej Stateczny, Pawel Burdziakowski, Pawel Dabrowski, Oktawia Lewicka
Summary: This article investigates the suitability of the GNSS/INS system supported by the RTK receiver for certain geodetic and construction tasks in railway engineering. The research concludes that the Ekinox2-U system can meet the positioning accuracy requirements for rapid stocktaking of existing rail tracks and design and construction works, but cannot be used to determine the place and extent of rail track deformations.
Editorial Material
Chemistry, Analytical
Andrzej Stateczny, Witold Kazimierski, Pawel Burdziakowski
Article
Environmental Sciences
Karolina Fitobor, Rafal Ulanczyk, Katarzyna Kolecka, Klara Ramm, Iwona Wlodarek, Piotr Zima, Dominika Kalinowska, Pawel Wielgat, Malgorzata Mikulska, Danuta Antonczyk, Krzysztof Krzaczkowski, Remigiusz Lyszyk, Magdalena Gajewska
Summary: One of the most severe climate risks is related to stormwater, which is expected to increase in frequency and intensity due to climate change. Urban areas are becoming more vulnerable to stormwater flooding due to ongoing densification and the lack of consideration for the impacts of land use on urban drainage systems. This study presents a planning method called the Extreme Weather Layer (EWL), which combines drainage modelling with GIS and other databases to analyze the impact of development on urban drainage and flooding risk. The EWL, along with the transition from grey to green infrastructure, can be a smart tool for implementing nature-based solutions for stormwater management in urban areas.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
