Results 51 to 60 of about 68,391 (303)

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

A Novel High Gain Voltage-Lift Technique Based Transformer free Non-isolated Quadratic Boost Converter

open access: yesMATEC Web of Conferences, 2018
A novel high gain voltage lift technique based transformer free non isolated boost converter is proposed with single switch operating at constant frequency in this paper.
Padmavathi Pydikalva, Natarajan Sudhakar
doaj   +1 more source

Development of a DC-DC buck boost converter using fuzzy logic control [PDF]

open access: yes, 2011
A fuzzy controller of DC-DC Buck-boost converter is designed and presented in this project. In order to control the output voltage of the buck-boost converter, the controller is designed to change the duty cycle of the converter. The mathematical model
Shaban Jaber, Fathi
core  

A Modified Method for Tuning PID Controller for Buck-Boost Converter [PDF]

open access: yes, 2016
This paper presents a design and simulation of simplified method for designing a proportional – integral–derivative(PID)controller operating in continuous conduction mode for the Buck-Boost converter ,this method provides good voltage ...
Almawlawe, M. D. (Muhanad)   +1 more
core   +1 more source

Detection of circulating tumor DNA in colorectal cancer patients using a methylation‐specific droplet digital PCR multiplex

open access: yesMolecular Oncology, EarlyView.
We developed a cost‐effective methylation‐specific droplet digital PCR multiplex assay containing tissue‐conserved and tumor‐specific methylation markers. The assay can detect circulating tumor DNA with high accuracy in patients with localized and metastatic colorectal cancer.
Luisa Matos do Canto   +8 more
wiley   +1 more source

MPPT Menggunakan Algoritme Particle Swarm Optimization dan Artificial Bee Colony

open access: yesJurnal Nasional Teknik Elektro dan Teknologi Informasi, 2020
Pembangkit Listrik Tenaga Surya (PLTS) merupakan salah satu pembangkit energi listrik terbarukan yang memanfaatkan panas matahari. Namun, karena intensitas cahaya yang diterima oleh solar cell dan suhu pada solar cell selalu berubah-ubah, daya yang ...
Ermanu Azizul Hakim   +3 more
doaj   +1 more source

Optimization of DC - DC boost converter using fuzzy logic controller [PDF]

open access: yes, 2013
DC-DC converters are electronic devices used to change DC electrical power efficiently from one voltage level to another. Operation of the switching devices causes the inherently nonlinear characteristic of the DC-DC converters including one known as
Soluman Ahtiwish, Aimen Khalifa
core  

RaMBat: Accurate identification of medulloblastoma subtypes from diverse data sources with severe batch effects

open access: yesMolecular Oncology, EarlyView.
To integrate multiple transcriptomics data with severe batch effects for identifying MB subtypes, we developed a novel and accurate computational method named RaMBat, which leveraged subtype‐specific gene expression ranking information instead of absolute gene expression levels to address batch effects of diverse data sources.
Mengtao Sun, Jieqiong Wang, Shibiao Wan
wiley   +1 more source

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

open access: yesMolecular Oncology, EarlyView.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley   +5 more
wiley   +1 more source

Composite model predictive control for the boost converter and two-phase interleaved boost converter

open access: yesFrontiers in Energy Research, 2023
This article compares the conventional model predictive control (MPC) and active disturbance rejection control (ADRC) with a novel MPADRC technique for controlling a non-minimum phase behavior in the DC–DC boost converter.
Muhammad Adnan Samad   +6 more
doaj   +1 more source

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