Results 91 to 100 of about 18,913 (265)

Enhancing Market Power by Reducing Switching Costs [PDF]

open access: yes
Competing firms often have the possibility to jointly determine the magnitude of consumers’ switching costs. Examples include compatibility decisions and the option of introducing number portability in telecom and banking.
Thomas Provoost   +2 more
core  

Desynchronizing Paralleled GaN HEMTs to Reduce Light-Load Switching Loss

open access: yes, 2020
Parallel connection of GaN high-electron-mobility transistors (HEMTs) is a more cost-effective or even an unavoidable solution to achieve higher current ratings.

core   +1 more source

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

open access: yesFEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli   +8 more
wiley   +1 more source

Quadratic risk minimization in a regime-switching model with portfolio constraints [PDF]

open access: yes, 2012
We study a problem of stochastic control in mathematical finance, for which the asset prices are modeled by Ito processes. The market parameters exhibit "regime-switching" in the sense of being adapted to the joint filtration of the Brownian motion in ...
Heunis, Andrew, Donnelly, Catherine
core   +1 more source

Iron homeostasis disruption and lipid peroxidation in skeletal muscle during short‐term immobilization

open access: yesFEBS Open Bio, EarlyView.
14‐day casting‐induced immobilization reduced gastrocnemius muscle mass and increased non‐heme iron and ferritin heavy chain levels. Despite iron accumulation, transferrin receptor 1 and iron regulatory protein 2 were paradoxically upregulated. Lipid peroxidation was elevated without compensatory antioxidant responses.
Haruka Yokogawa   +2 more
wiley   +1 more source

Miller Plateau Corrected with Displacement Currents and Its Use in Analyzing the Switching Process and Switching Loss

open access: yes, 2021
This paper reveals the relationship between the Miller plateau voltage and the displacement currents through the gate–drain capacitance (CGD) and the drain–source capacitance (CDS) in the switching process of a power transistor.
Ning Xie   +5 more
core   +1 more source

Derivation and characterization of retinal pigment epithelium from urine‐derived iPSCs

open access: yesFEBS Open Bio, EarlyView.
Age‐related macular degeneration causes vision loss via RPE dysfunction and loss. Traditional iPSC therapies rely on invasive biopsies, limiting scalability. Here, we utilize urine‐derived stem cells as an accessible source to generate u‐iPSCs, successfully differentiated into pigmented RPE. This “Urine‐to‐Retina” platform provides a promising path for
Daniella Beiner   +7 more
wiley   +1 more source

Long Memory with Markov-Switching GARCH [PDF]

open access: yes
The paper considers the Markov-Switching GARCH(1,1)-model with time-varying transition probabilities. It derives sufficient conditions for the square of the process to display long memory and provides some additional intuition for the empirical ...
Walter Kraemer
core  

Minimum switching loss pulse width modulation for reduced power conversion loss in reactive power compensators

open access: yes, 2014
Advanced bus-clamping switching sequences, which employ an active vector twice in a subcycle, are used to reduce line current distortion and switching loss in a space vector modulated voltage source converter.
Narayanan, Gopalaratnam   +1 more
core   +1 more source

Optimizing photoactivation of PA‐mCherry for optical pooled CRISPR screens

open access: yesFEBS Open Bio, EarlyView.
Photoactivatable PA‐mCherry finds widespread use to optically tag individual cells. However, confocal 405 nm UV laser‐scanning (normal scan) is much less efficient than widefield UV illumination, limiting the use of PA‐mCherry on confocal instruments. We remedy this limitation by reporting that rapid and repeated confocal scanning with a low‐intensity,
Sravasti Mukherjee   +3 more
wiley   +1 more source

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