Buscar recursos académicos

A simple and rapid procedure has been developed and validated for the simultaneous determination of benzoylecgonine and ecgonine methyl ester in human urine samples. After extraction and sample cleanup by solid-phase ext...

"This paper presents the design of Electrostatic Discharge (ESD) protections for a remote Electroencephalograph (ECG). Design and layout guidelines are analyzed to improve the ESD robustness of a Grounded-Gate NMOS (GGNM...

The present study was designed to assess the influence of ACE inhibitors on the electrocardiograph of acute renal hypertensive rats. Acute Renal Hypertension (ARH) was induced in healthy Wistar male rats by clamping/occl...

"This paper presents the design and experimental results of a digital acquisition system based on a chopper-stabilized Instrumentation Amplifier with Common-Mode feedback for CMRR enhancement. Chopping techniques are us...

"The aim of this work is to evaluate the espina corona gum (ECG) as a sustainable viscosifier or filtration reducer additive in water-based drilling fluids (WBMs) as a potential replacement of guar gum (GG). ECG is a gal...