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A Study of the Improved A* Algorithm Incorporating Road Factors for Path Planning in Off-Road Emergency Rescue Scenarios.
Sensors (Basel)
August 2024
Institute of Aerospace Information Innovation, Chinese Academy of Sciences, Beijing 100094, China.
Article Synopsis
- An improved A* algorithm is developed to enhance off-road emergency rescue path planning by considering unpaved roads and road factors for better efficiency.
- The algorithm classifies nodes based on their angles to optimize search directions, leading to quicker identification of the shortest travel time for emergency rescues in wilderness settings.
- Experimental results show this improved A* algorithm decreases travel time for off-road vehicles by over 21% and boosts search efficiency by nearly 94% compared to the traditional A* algorithm.
Gasdermin E-mediated programmed cell death: An unpaved path to tumor suppression.
J Cancer
June 2021
Department of Breast Surgery, The First Hospital of Jilin University, Changchun, People's Republic of China.
Article Synopsis
- Gasdermin E (GSDME) is a protein linked to hearing loss and is part of a new pathway for programmed cell death (PCD) that may help in cancer treatment.
- Mutations and gene silencing of GSDME are found in cancer tissues, suggesting it could function as a tumor suppressor by slowing tumor growth and reducing metastasis.
- The study explores how GSDME interacts with other cell death processes and highlights its potential for cancer prevention and treatment by creating cell membranes that promote anti-cancer immune responses.
Human paths have positive impacts on plant richness and diversity: A meta-analysis.
Ecol Evol
November 2018
Section for Ecoinformatics & Biodiversity, Department of Bioscience Aarhus University Aarhus Denmark.
We assess the impacts of human paths, trails, and roads on plant species richness and Shannon diversity. Most reviews of this topic have not considered community-level measures and have focused on excessive tourism impacts. We found significant positive effects of paths on plant richness and diversity.
View Article and Find Full Text PDFScraping marking behaviour of the largest Neotropical felids.
PeerJ
June 2018
Departamento de Biologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil.
Background: Details of how, why and in what conditions large felids make scrapes is unknown. Here, we examined the general hypothesis about the use of scrapes for marking proposals, as well as to communicate with other individuals to signalize particular points or areas of interest, by studying scrape-marking behaviour of jaguars and pumas.
Methods: We surveyed by scrapes between five days and two months mainly during dry season in five study areas from Mexico (El Edén and San Ignacio), Belize (Cockscomb) and Brazil (Angatuba and Serra das Almas), which differed in presence and/or abundance of jaguars and pumas.
Spatial and temporal patterns of particulate matter sources and pollution in four communities in Accra, Ghana.
Sci Total Environ
October 2012
Harvard-MIT Division of Health Sciences and Technology, Cambridge, USA.
Sources of air pollution in developing country cities include transportation and industrial pollution, biomass fuel use, and re-suspended dust from unpaved roads. We examined the spatial patterns of particulate matter (PM) and its sources in four neighborhoods of varying socioeconomic status (SES) in Accra. PM data were from 1 week of morning and afternoon mobile and stationary air pollution measurements in each of the study neighborhoods.
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