Results 71 to 80 of about 54,095 (272)

On Profit-Maximizing Pricing for the Highway and Tollbooth Problems [PDF]

open access: yes, 2009
In the \emph{tollbooth problem}, we are given a tree $\bT=(V,E)$ with $n$ edges, and a set of $m$ customers, each of whom is interested in purchasing a path on the tree.
A. Grigoriev   +13 more
core   +8 more sources

Expanded application to plant reproductive tissues of a branched DNA probe‐based in situ hybridization method

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise Detecting clear tissue‐ and organ‐specific patterns of gene expression is key to understanding the genetic mechanisms that control plant development. In situ hybridization (ISH) of mRNA is one of the most precise, yet most challenging approaches to gene expression assays.
Brooklyn M. Anaya   +3 more
wiley   +1 more source

Tuz Stresinin Hafifletilmesinde L-Argininin Zea mays’da Antioksidan Enzim Aktivitesi Üzerine Etkisi

open access: yesTurkish Journal of Agriculture: Food Science and Technology
Arjinin, bitkilerde stres metabolizmasında yer alan çeşitli metabolitlerin öncülüğünü yapan bir aminoasit olmasının yanı sıra, bitkilerin çevresel streslere yanıtını modüle edebilen bir sinyal molekülüdür.
Esra Arslan Yüksel
doaj   +1 more source

A novel pan-Nox inhibitor, APX-115, protects kidney injury in streptozotocin-induced diabetic mice: possible role of peroxisomal and mitochondrial biogenesis

open access: yesOncoTarget, 2017
NADPH oxidase (Nox)-derived reactive oxygen species (ROS) are increasingly recognized as a key factor in inflammation and extracellular matrix accumulation in diabetic kidney disease. APX-115 (3-phenyl-1-(pyridin-2-yl)-4-propyl-1-5-hydroxypyrazol HCl) is
Guideock Kwon   +11 more
semanticscholar   +1 more source

Classifying Approximation Algorithms: Understanding the APX Complexity Class

open access: yes, 2021
We are interested in the intersection of approximation algorithms and complexity theory, in particular focusing on the complexity class APX. Informally, APX $\subseteq$ NPO is the complexity class comprising optimization problems where the ratio $\frac{OPT(I)}{ALG(I)} \leq c$ for all instances I. We will do a deep dive into studying APX as a complexity
Lee, Arthur, Xu, Bruce
openaire   +2 more sources

Finite element analysis of feeding in red and gray squirrels (Sciurus vulgaris and Sciurus carolinensis)

open access: yesThe Anatomical Record, EarlyView.
Abstract Invasive gray squirrels (Sciurus carolinensis) have replaced the native red squirrel (Sciurus vulgaris) across much of Great Britain over the last century. Several factors have been proposed to underlie this replacement, but here we investigated the potential for dietary competition in which gray squirrels have better feeding performance than ...
Philip G. Cox, Peter J. Watson
wiley   +1 more source

Changes in activities of antioxidant enzymes in radish (Raphanus sativus) seedlings in response to allelopathic effect of safflower (Carthamus tinctorius)

open access: yesBrazilian Journal of Pharmaceutical Sciences, 2023
ROS (Reactive Oxygen Species) production is a usual plant reaction to environmental stresses such as allelopathy. Plants possess antioxidant enzymes to scavenge cells and resist against the ROS. This study was conducted to evaluate changes in antioxidant
Marzieh Motamedi   +3 more
doaj   +1 more source

Enhancing partition crossover with articulation points analysis [PDF]

open access: yes, 2018
Partition Crossover is a recombination operator for pseudo-Boolean optimization with the ability to explore an exponential number of solutions in linear or square time.
Chicano, Francisco   +3 more
core  

Ascorbate-Dependent Peroxidase (APX) from Leishmania amazonensis Is a Reactive Oxygen Species-Induced Essential Enzyme That Regulates Virulence

open access: yesInfection and Immunity, 2019
The molecular mechanisms underlying biological differences between two Leishmania species that cause cutaneous disease, L. major and L. amazonensis, are poorly understood. In L.
L. Xiang   +5 more
semanticscholar   +1 more source

Dynamics of bubble absorption over porous membranes in an immersed medium

open access: yesDroplet, EarlyView.
The dynamics of a bubble interacting with a flat, porous superhydrophobic membrane underwater has been illustrated. Abstract Porous superhydrophobic (SHP) membranes are gaining considerable attention due to their excellent underwater absorption and drag reduction properties. They exploit the Cassie‒Baxter state of wetting to remove the bubble in a fast
Kiran Raj M
wiley   +1 more source

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