Results 81 to 90 of about 10,610,136 (340)

EGFR‐STAT3 activation provides a therapeutic rationale for targeting aggressive ETV1‐positive prostate cancer

open access: yesMolecular Oncology, EarlyView.
Cotargeting EGFR and STAT3 with Erlotinib and TTI‐101 impairs both 2D and 3D growth of ETV1‐overexpressing prostate cancer cells by disrupting a self‐sustaining ETV1–EGFR positive feedback loop that promotes EGFR and STAT3 expression and phosphorylation (activation).
Elsa Gomes Paiva   +5 more
wiley   +1 more source

To sigmoid-based functional description of the volatility smile [PDF]

open access: yesThe North American Journal of Economics and Finance, 2015
32 pages, 18 figures, 5 ...
openaire   +3 more sources

An Efficient Image Contrast Enhancement Method using Sigmoid Function and Differential Evolution

open access: yesJournal of Advanced Engineering and Computation, 2020
Image enhancement is an adjusting process to make an image more appropriate for certain applications. The contrast enhancement is one of the most frequently used image enhancement methods.
Thi-Xuan-Hoa Nguyen   +2 more
semanticscholar   +1 more source

Thrombolytic proteins profiling: High‐throughput activity, selectivity, and resistance assays

open access: yesFEBS Open Bio, EarlyView.
We present optimized biochemical protocols for evaluating thrombolytic proteins, enabling rapid and robust screening of enzymatic activity, inhibition resistance, and fibrin affinity, stimulation, and selectivity. The outcome translates to key clinical indicators such as biological half‐life and bleeding risk. These assays streamline the development of
Martin Toul   +3 more
wiley   +1 more source

On the Approximation of the Cut and Step Functions by Logistic and Gompertz Functions

open access: yesBiomath, 2015
We study the uniform approximation of the sigmoid cut function by smooth sigmoid functions such as the logistic and the Gompertz functions. The limiting case of the interval-valued   step function is   discussed  using   Hausdorff metric.
Anton Iliev Iliev   +2 more
doaj   +1 more source

APPROXIMATION OF THE CUT FUNCTION BY STANNARD AND RICHARD SIGMOID FUNCTIONS [PDF]

open access: yesInternational Journal of Pure and Apllied Mathematics, 2016
Several sigmoidal functions (Stannard [10], [16], [19], [23], Richards [13], [17], [20], [22], Chapman–Richards [5]) find numerous applications in various fields related to life sciences, chemistry, physics, artificial intelligence, population dynamics, plant biology, fuzzy set theory, etc.
Svetoslav Markov   +2 more
openaire   +1 more source

Discontinuities in recurrent neural networks [PDF]

open access: yes, 1997
This paper studies the computational power of various discontinuous real computational models that are based on the classical analog recurrent neural network (ARNN).
Gavaldà Mestre, Ricard   +1 more
core   +1 more source

Microstructural Evolution and Mechanical Properties of a Medium‐Manganese Steel Manufactured by Laser‐Based Powder Bed Fusion of Metals

open access: yesAdvanced Engineering Materials, EarlyView.
Fe–12Mn–0.2C medium‐manganese steel is processed by laser‐based powder bed fusion of metals using blended as well as pre‐alloyed powder. Various scanning speeds are used to determine the influence of energy deposition rate on microstructure and mechanical properties.
Leoni Hübner   +4 more
wiley   +1 more source

Comparison of Principal-Component-Analysis-Based Extreme Learning Machine Models for Boiler Output Forecasting

open access: yesApplied Sciences, 2022
In this paper, a combined approach of Principal Component Analysis (PCA)-based Extreme Learning Machine (ELM) for boiler output forecasting in a thermal power plant is presented.
K. K. Deepika   +6 more
doaj   +1 more source

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