Results 71 to 80 of about 287,376 (294)

Pharmacological Effects of a Novel Bradykinin-Related Peptide (RR-18) from the Skin Secretion of the Hejiang Frog (Ordorrana hejiangensis) on Smooth Muscle

open access: yesBiomedicines, 2020
Bradykinin (BK) and bradykinin-related peptides (BRPs), which were identified from a diversity of amphibian skin secretions, exerted contractile and relaxing effects on non-vascular and vascular smooth muscle, respectively.
Xiaowei Zhou   +10 more
doaj   +1 more source

Laws of large numbers for the frog model on the complete graph

open access: yes, 2019
The frog model is a stochastic model for the spreading of an epidemic on a graph, in which a dormant particle starts to perform a simple random walk on the graph and to awake other particles, once it becomes active.
Estrada, Mario Andres   +1 more
core   +1 more source

Heterogeneous Wettability‐Based Construction of Two‐Phase Interfaces for Underwater Reversible Adhesion

open access: yesAdvanced Science, EarlyView.
The design employs heterogeneous wettability surfaces that construct stable oil‐water interfaces to achieve robust and rapid reversible adhesion. Linear enhancement of adhesion strength is realized through multi‐interface patterning. This adhesive enables rapid on‐demand detachment within five seconds via voltage‐induced electrolysis, offering a level ...
Xiaokai Li   +11 more
wiley   +1 more source

Emerging Advanced Electronic Packaging Materials for Thermal Management in Power Electronics

open access: yesAdvanced Science, EarlyView.
This review surveys emerging materials for thermal management in advanced electronic packaging, with emphasis on ceramic substrates and thermal interface materials. Multiscale simulations and mechanistic analyses are highlighted, alongside the emerging role of artificial intelligence in predicting thermal properties and guiding design, offering ...
Yongjun Huo   +11 more
wiley   +1 more source

A Review on Recent Trends of Bioinspired Soft Robotics: Actuators, Control Methods, Materials Selection, Sensors, Challenges, and Future Prospects

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This article reviews the current state of bioinspired soft robotics. The article discusses soft actuators, soft sensors, materials selection, and control methods used in bioinspired soft robotics. It also highlights the challenges and future prospects of this field.
Abhirup Sarker   +2 more
wiley   +1 more source

Investigating the Antimicrobial Activity of Anuran Toxins

open access: yesMicroorganisms
Anurans, commonly known as frogs and toads, comprise a diverse group of amphibians distributed across all continents except Antarctica. This manuscript provides a detailed overview of the global anuran fauna, emphasizing their biology, remarkable ...
Manuela B. Pucca   +10 more
doaj   +1 more source

Investigation of Hexagonal Honeycomb Topology for Impact Optimization in Energetic Material

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The regulation of the mechanical properties of energetic materials manufactured by traditional processes is constrained. However, the introduction of lattice structures can facilitate the regulation of mechanical properties without necessitating alterations to the materials themselves. Using finite element analysis and experimental validation,
Xueye Chen   +4 more
wiley   +1 more source

Importance of Spring Habitats for Amphibians: The Case of Estavelle Ecotones in the Classical Karst Region

open access: yesAnimals
Springs are ecotones between groundwater and surface water, important for a variety of both surficial and subterranean organisms. However, their use by amphibians has been poorly assessed.
Damiano Brognoli   +10 more
doaj   +1 more source

CALL #FROG2023: "Money & Games" vom 13. bis 15. Oktober 2023, im Wiener Rathaus

open access: yesMedienimpulse, 2023
While thousands of enthusiastic players are gathering annually at the Game City in the Vienna City Hall, the FROG invites to an academic discourse on the subject of games and play.
Katharina Kaiser-Müller
doaj  

Distribution of amphibians and reptiles in central Poland: 1980-2000 [PDF]

open access: yes, 2005
Based on 3047 records from 97 recorders distribution maps were drawn for the amphibians and reptiles of central Poland (lirom 51°00’N to 52°15’N and from 18°20’E to 20°20’E). The study area was divided into 180 atlas fields based on the geographic grid.
Hejduk, Janusz   +3 more
core  

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