Results 51 to 60 of about 55,867 (251)
FEBS Letters, EarlyView.The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li +2 more
wiley +1 more source
EnergiesThe electrification of mobility sectors, including automotive, aerospace, and robotics, has accelerated the need for compact and high-efficiency power converters in electric motor drives. Wide-bandgap (WBG) semiconductor–based inverters offer significant
Mustafa Memon, Mohamed Diab
doaj +1 more source
Modified Slot Opening for Reducing Shaft-to-Frame Voltage of AC Motors
Energies, 2020 This paper presents a method to reduce the winding-to-rotor capacitance of electrical machines for the purpose of suppressing shaft-to-frame voltage, which causes reliability issues, such as electromagnetic interference (EMI) and bearing current.
Manje Yea, Ki Jin Han
doaj +1 more source
Resonant DC link inverters for AC motor drive systems – critical evaluation [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2019 In this survey paper, resonant and quasiresonant dc link inverters are reexamined for ac motor drive applications. Critical evaluation of representative topologies is based on simulation and waveform analysis to characterize current/voltage stress of ...
M. Turzyński, P.J. Chrzan
doaj +1 more source
FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source
A Novel Bearing Lubricating Device Based on the Piezoelectric Micro-Jet
Applied Sciences, 2016 A novel bearing lubricating device, which is embedded in gyroscope’s bearing system and based on the theory of the piezoelectric micro-jet, was designed for this study.
Kai Li +4 more
doaj +1 more source
Calpain small subunit homodimerization is robust and calcium‐independent
FEBS Letters, EarlyView.Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source
Experimental High-Frequency Parameter Identification of AC Electrical Motors [PDF]
, 2007 In order to predict conducted electromagnetic interference in inverter-motor drive systems, high-frequency (HF) motor models are requested and the involved parameters have to be available.
Boglietti, Aldo +2 more
core +1 more source
Reduction of Shaft Voltage of IPMSM According to the Shape of the Novel Shield Ring
IEEE AccessRecently, the motor drive system of electric vehicles (EVs) has been increased to high voltage to enhance the output and efficiency of the motor. However, higher voltage exacerbates common-mode voltage (CMV), which is the main cause of bearing faults ...
Jun-Kyu Kang +3 more
doaj +1 more source
FEBS Letters, EarlyView.Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil +4 more
wiley +1 more source