Results 41 to 50 of about 2,439,749 (187)

Proto‐Panic Modulation by Caffeine‐Proteinoid Complexes

Journal of Applied Polymer Science, Volume 143, Issue 41, November 5, 2026.
Caffeine–proteinoid microspheres synthesized by thermal polymerization exhibit compartmentalized drug loading with encapsulation efficiencies of 61%–82% and triphasic release kinetics. Electrochemical monitoring reveals multi‐scale oscillatory dynamics consistent with chaotic and damped harmonic behavior, while Boolean logic operations demonstrate ...
Panagiotis Mougkogiannis, Andrew Adamatzky   +1 more
wiley   +1 more source

Existence and uniqueness of radial solutions for elliptic equations with nonlinear gradient terms

Boundary Value Problems
In this paper, we discuss the existence and uniqueness of radial solutions of the elliptic equation with nonlinear gradient term { − △ u = f ( | x | , u , x | x | ⋅ ∇ u ) , x ∈ Ω , u | ∂ Ω = 0 , $$ \left \{ \textstyle\begin{array}{l} -\triangle u = f\big(
Xiaoya Liu, Yongxiang Li
doaj   +1 more source

Nagumo conditions for systems of second-order differential equations

Journal of Mathematical Analysis and Applications, 1985
The existence of solutions for the boundary value problem \[ (1)\quad x''(t)+f(t,x(t),x'(t))=0,\quad t\in [a,b],\quad x(a)=A,\quad x(b)=B \] where x takes values in a Hilbert space H and f:[a,b]\(\times H\times H\times H\to H\) is a compact mapping, is studied.
openaire   +1 more source

Positive Invariance Condition for Continuous Dynamical Systems Based on Nagumo Theorem

, 2022
In this paper, we obtain sufficient and necessary conditions of some classical convex sets as positively invariant sets for a continuous dynamical system, namely positive invariance conditions. The approach is based on Nagumo Theorem by deriving the tangent cones of these sets.
openaire   +2 more sources

Impact of 1024‐Matrix Size on Perforating Artery Visualisation in Cerebral Computed Tomography Angiography Using a 64‐Slice CT Scanner

Journal of Medical Radiation Sciences, Volume 73, Issue 3, Page 263-269, September 2026.
This study investigated whether using a larger image matrix (1024 × 1024 pixels instead of 512 × 512) improves the visibility of tiny brain arteries on CT scans performed with standard 64‐slice scanners. While physical image quality measurements remained unchanged, the larger matrix provided finer digital sampling of blood vessel structures, resulting ...
Hokuto Nagumo, Yuki Nagata, Mayumi Maruko, Jun Sakai, Yusuke Fujiwara, Joma Oikawa   +5 more
wiley   +1 more source

The Temporal Imperative: Palaeo‐Proxies and Nature‐Based Solutions for Resilient Natural Inland Wetland Conservation and Management in Southeast Asia—A Systematic Review

Ecological Management &Restoration, Volume 27, Issue 3, September 2026.
ABSTRACT Natural inland wetlands in Southeast Asia provide key biodiversity, hydrological, carbon‐storage and livelihood functions, but are increasingly affected by land‐use change, fire, hydrological modification and climate change and variability.
Thunyapat Sattraburut, Sirasit Vongvassana, Thamarat Phutthai   +2 more
wiley   +1 more source

A note on a class of problems for a higher-order fully nonlinear equation under one-sided Nagumo-type condition [PDF]

Nonlinear Analysis: Theory, Methods & Applications, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Grossinho, Maria do Rosário, Minhós, F., Santos, A.I.   +2 more
openaire   +3 more sources

Efficacy of Nivolumab in Chemotherapy‐Resistant Mesothelioma of the Tunica Vaginalis Testis: A Case Report

Cancer Reports, Volume 9, Issue 8, August 2026.
ABSTRACT Background Mesothelioma of the tunica vaginalis testis is a rare neoplasm, accounting for less than 1% of all mesothelioma cases. Due to the rarity of this disease, a standard treatment has not been established. Clinical management is generally adapted from the strategies used for pleural mesothelioma.
Haruki Koyanagi, Takashi Kawahara, Natsuki Inagawa, Miho Shiga, Hiromichi Sakurai, Akane Yamaguchi, Kouzaburou Tanuma, Satoshi Nitta, Kosuke Kojo, Masanobu Shiga, Yoshiyuki Nagumo, Atsushi Ikeda, Shuya Kandori, Akio Hoshi, Hiromitsu Negoro, Hitomi Kawai, Daisuke Matsubara, Hiroyuki Nishiyama   +17 more
wiley   +1 more source

Existence of solutions of a third-order boundary value problem

四川大学学报. 自然科学版, 2018
In this paper,the existence of solutions of a class of fully third order boundary value problem is considered, where f is continuous. Applying the Leray-schauder fixed point theorem, the existence of solutions is obtained under f satisfies an inequality ...
LI Ju-Peng, LI Yong-Xiang
doaj  

Cooperative and Non‐Cooperative Solutions in a Dynamic Model of Forest Management

Natural Resource Modeling, Volume 39, Issue 3, August 2026.
ABSTRACT This study develops a deterministic finite‐horizon bioeconomic control model linking forest biomass, biodiversity, cumulative harvesting pressure, and disturbance‐motivated expected biodiversity losses. Biodiversity is modeled as a productive state variable that feeds back into biomass growth, while cumulative harvesting pressure records the ...
Seyedalireza Seyedi, Elettra Agliardi, Anastasios Xepapadeas   +2 more
wiley   +1 more source