Results 131 to 140 of about 3,919,417 (298)

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source

A Pretest to Differentiate Between Weak and Nearly-Weak Instrument Asymptotics [PDF]

open access: yes
We propose a pretest, bootstrap Kolmogorov-Smirnov test, to differentiate between weak and nearly-weak asymptotics. This is based on bootstrapping Wald Continuous Updating Estimator (CUE) based test.
Mehmet Caner
core  

Uniqueness and regularity of weak solutions of a drift-diffusion system for perovskite solar cells

open access: yes
We establish a novel uniqueness result for an instationary drift-diffusion model for perovskite solar cells. This model for vacancy-assisted charge transport uses Fermi--Dirac statistics for electrons and holes and Blakemore statistics for the mobile ...
Glitzky, Annegret, Liero, Matthias
core   +1 more source

Three nontrivial solutions for the p-Laplacian Neumann problems with a concave nonlinearity near the origin [PDF]

open access: yes, 2010
We consider a nonlinear Neumann problem driven by the p- Laplacian, with a right-hand side nonlinearity which is concave near the origin. Using variational techniques, combined with the method of upper-lower solutions and with Morse theory, we show ...
Staicu, Vasile   +2 more
core  

Identification of (20R)‐protopanaxadiol from Panax ginseng as a novel anti‐SARS‐CoV‐2 compound

open access: yesFEBS Open Bio, EarlyView.
We established a noninfectious BAC‐based SARS‐CoV‐2 replicon that enables antiviral screening under BSL‐2 conditions. Using this platform, we screened 373 food‐derived compounds and identified (20R)‐protopanaxadiol from Panax ginseng as a novel inhibitor of SARS‐CoV‐2 RNA replication, highlighting the value of safe replicon systems for antiviral ...
Midori Takeda   +4 more
wiley   +1 more source

Existence of solutions for quasilinear elliptic degenerate systems with L^1 data and nonlinearity in the gradient

open access: yesElectronic Journal of Differential Equations, 2013
In this article we show the existence of weak solutions for some quasilinear degenerate elliptic systems arising in modeling chemotaxis and angiogenesis.
Abdelhaq Mouida   +3 more
doaj  

Weak solutions for anisotropic parabolic equations with low-integrability initial data

open access: yesAdvances in Nonlinear Analysis
We study an anisotropic nonlinear parabolic equation with initial data u 0 ∈ L r(Ω), for 1 < r < 2, and a general Carathéodory lower-order term. The zero-order term is allowed to grow with a coefficient b(x, t) belonging to a suitable Lorentz space ...
Li Zhongqing
doaj   +1 more source

Weak-Strong Uniqueness for Measure-Valued Solutions [PDF]

open access: yes, 2018
We prove the weak-strong uniqueness for measure-valued solutions of the incompressible Euler equations. These were introduced by DiPerna and Majda in their landmark paper (Commun Math Phys 108(4):667-689, 1987), where in particular global existence to ...
Székelyhidi Jr., László   +2 more
core  

Evolution‐guided yeast complementation reveals functional differences in human PSPH variants

open access: yesFEBS Open Bio, EarlyView.
Ancient genomes can help guide which human genetic variants are tested experimentally. This study applies that idea to PSPH, a gene involved in serine biosynthesis, and uses high‐throughput yeast complementation to compare variant function. The findings reveal measurable differences among selected alleles and illustrate the value of evolution‐guided ...
Mauricio Campa‐Álvarez   +6 more
wiley   +1 more source

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