Results 131 to 140 of about 27,855,056 (325)

Fisetin as a Blueprint for Senotherapeutic Agents – Elucidating Geroprotective and Senolytic Properties with Molecular Modeling

open access: yesChemistry – A European Journal, Volume 31, Issue 16, March 17, 2025.
The exceptional senotherapeutic activity of fisetin, combining both geroprotective and senolytic effects, was validated using computational chemistry tools, establishing it as a cornerstone template for the development of novel agents. Abstract Targeting senescent cells and the factors that accelerate this pathological state has recently emerged as a ...
Maciej Spiegel
wiley   +1 more source

Collocation and Galerkin Time-Stepping Methods [PDF]

open access: yes
We study the numerical solutions of ordinary differential equations by one-step methods where the solution at tn is known and that at t(sub n+1) is to be calculated.
Huynh, H. T.
core   +1 more source

Suzuki‐Miyaura Cross‐Couplings: Juxtaposing the Transmetalation of Arylboronic Acids and Alkylboranes

open access: yesChemistry – A European Journal, EarlyView.
This report employs computational methods at unified levels of theory to examine the respective transmetalation mechanisms underpinning classical palladium‐catalyzed Csp2–Csp2 and Csp2–Csp3 Suzuki–Miyaura cross‐couplings. This approach enabled fundamental aspects of these transmetalation pathways involving archetypal arylboronic acid and B‐alkyl‐9 ...
Allan J. Canty, Alex C. Bissember
wiley   +1 more source

Unveiling the Materiality of 19th Century's Color Spaces

open access: yesColor Research &Application, EarlyView.
ABSTRACT Several color theories flourished during the 19th century, marked by experiments on the distinction between color‐light and color‐matter. This study aims to compare the color plates designed to illustrate three of these color theories, namely M.E. Chevreul's chromatic circle (1861), O. Rood's frontispiece (1879), and C.
Aurore Malmert   +3 more
wiley   +1 more source

‎Multistep collocation method for nonlinear delay integral equations [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2016
‎The main purpose of this paper is to study the numerical solution of nonlinear Volterra integral equations with constant delays, based on the multistep collocation method.
Parviz Darania
doaj  

Spectroscopic Investigations of a Vandalized Contemporary Acrylic Painting on Canvas Using Model Paintings and Chemometrics

open access: yesChemPlusChem, Accepted Article.
The characterization and conservation of materials constituting contemporary art pose a significant challenge for scientists and restorers due to the wide variability and heterogeneity in their compositions and their chemical instability. The aim of this study is to contribute to the understanding of the composition and ageing of materials in ...
Jana Striova   +4 more
wiley   +1 more source

Studies on the Method of the Orthogonal Collocation VIII: A Spline Collocation Method for Distillation Columns Simulation

open access: yesJournal of King Saud University - Engineering Sciences, 2009
The author (1992) developed a spline collocation method that was successfully applied to continuous systems described by differential equations. It is based on selecting the spline point such that the second derivative of the independent variable is zero at the spline point.
openaire   +3 more sources

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