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Article | 01-March-2012

FLEXIBLE PH SENSOR WITH POLYANILINE LAYER BASED ON IMPEDANCE MEASUREMENT

A flexible sensor with conducting polyaniline layer for detecting pH value based on the impedance measurement is fabricated and demonstrated in this study. The pH sensor consists of an interdigital electrode array on a flexible printed circuit and a thin-film polyaniline as the sensing layer. As the conductivity of polyaniline depends on the redox state, the impedance change of the polyaniline after it has reacted with different pH value solutions works as the sensing mechanism. In order to

Cheng-Hsin Chuang, Hsun-Pei Wu, Cheng-Ho Chen, Peng-Rong Wu

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 1, 1–13

Original Research | 04-September-2018

Optimization of Mixed Solid-state Fermentation of Soybean Meal by Lactobacillus Species and Clostridium butyricum

. In this study, we investigated the optimal parameters for SSF of soybean meal by Lactobacillus species and Clostridium butyricum. The results showed that two days of fermentation was sufficient to increase the viable count of bacteria, lactic acid levels and degradation of soybean protein in fermented soybean meal at the initial moisture content of 50%. The pH value, lowering sugar content and oligosaccharides in fermented soybean meal, was significantly reduced at the initial moisture content of

LI-WEN SU, YEONG-HSIANG CHENG, FELIX SHIH-HSIANG HSIAO, JIN-CHENG HAN, YU-HSIANG YU

Polish Journal of Microbiology, Volume 67 , ISSUE 3, 297–305

Article | 27-August-2018

DISCOLORATION OF DYE WASTEWATER BY MODIFIED UV-FENTON PROCESS WITH SODIUM PERCARBONATE

system with a medium pressure UV lamp the optimal doses of SP and Fe2+/SP ratio were 200 mg/dm3 and 0.33, respectively at pH 3 and 20 minutes reaction time. In both cases, at described conditions total visual discoloration was achieved. Better results of colour removal (concentration of Acid Green 16 was in the range of 0.64-0.96 mg/dm3) were achieved when the initial pH value equalled 3.0 than at initial pH value of 4.0 (concentration of Acid Green 16 was in the range of 0.80-6.87 mg/dm3).

Barbara PIECZYKOLAN, Izabela PŁONKA, Krzysztof BARBUSIŃSKI

Architecture, Civil Engineering, Environment, Volume 9 , ISSUE 4, 135–140

original-paper | 28-January-2020

Banana Peels: A Promising Substrate for the Coproduction of Pectinase and Xylanase from Aspergillus fumigatus MS16

. fumigatus MS16 under solid-state (SSF) and submerged fermentation (Smf). The pH value of the medium influences the production of an enzyme by regulating the solubility of the nutrients, the permeability of the cell membrane, and ionization of amino acids and/or proteins. Usually, fungal strains grow better under acidic conditions; A. fumigates MS16 did not show any exception, indeed a value of 5 as initial pH of the medium favored the production of pectinase (Fig. 4) and pH 6 spurred xylanase

MAHWISH ZEHRA, MUHAMMAD NOMAN SYED, MUHAMMAD SOHAIL

Polish Journal of Microbiology, Volume 69 , ISSUE 1, 19–26

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