نتایج جستجو برای: ph sensor
تعداد نتایج: 353417 فیلتر نتایج به سال:
In the expanding field of physiological pH skin sensors, thin temporary tattoo-based devices have gained attention because ultra-conformal adhesion while providing excellent water vapor transmission. Here, a sensor tattoo made paper, screen-printed poly(3,4-ethylenedioxythiophene):polystyrene sulfonate electrodes, and pH-responsive hydrogel deposited via initiated chemical deposition, is propos...
Monitoring rumen conditions in cows is important because a dysfunctional rumen system may cause death. Sub-acute ruminal acidosis (SARA) is a typical disease in cows, and is characterized by repeated periods of low ruminal pH. SARA is regarded as a trigger for rumen atony, rumenitis, and abomasal displacement, which may cause death. In previous studies, rumen conditions were evaluated by wirele...
Activity in many biological systems is mediated by pH, involving proton titratable groups with pKas in the relevant pH range. Experimental analysis of pH-dependence in proteins focusses on particular sidechains, often with mutagenesis of histidine, due to its pKa near to neutral pH. The key question for algorithms that predict pKas is whether they are sufficiently accurate to effectively narrow...
In this work, we present a comprehensive analytical model and results for an absolute pH sensor. Our work aims to address critical scientific issues such as: (1) the impact of oxide degradation (sensing interface deterioration) on sensor’s performance (2) how achieve measurement ion activity. The methods described here are based equations which have derived implemented in MATLAB code execute nu...
This work summarizes the electrochemical response of flavanone carbon composite electrodes in comparison with Nafion®-coated electrodes, for use as voltammetric pH sensors both buffered and low-buffered media. Square wave measurements suggest peak potential achieved from polymerization after electron-proton oxidation responds accuracy to solutions coated non-coated a shift 55.1 mV 54.6 per unit...
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