“…The volumetric ratio of the bacterial culture and methylene blue in the previous studies 22–25 was 400 : 1, i.e. , 2 mL of bacterial culture mixed with 5 μL of methylene blue at a 50 mM concentration.…”
Section: Resultsmentioning
confidence: 99%
“…This assay has been used for assessing the activity of antimicrobial agents and screening antibiotic-resistant bacteria. 23 This assay has also been used to assess the microbial electron-transfer activity in inocula 24 and screening sediment samples used as analytes in microbial fuel cells. 25…”
Section: Introductionmentioning
confidence: 99%
“…This assay has been used for assessing the activity of antimicrobial agents and screening antibiotic-resistant bacteria. 23 This assay has also been used to assess the microbial electrontransfer activity in inocula 24 and screening sediment samples used as analytes in microbial fuel cells. 25 Bacterial activity assessment of untreated wastewater is primarily important for determining the optimal treatment method and dening treatment parameters that are best suited for decentralized wastewater treatment setups.…”
We present an innovative, cost-effective photodiode-based device with high sensitivity for microscale assessment of bacterial activity with a significant potential for applications in wastewater management and assessment of antimicrobial activity.
“…The volumetric ratio of the bacterial culture and methylene blue in the previous studies 22–25 was 400 : 1, i.e. , 2 mL of bacterial culture mixed with 5 μL of methylene blue at a 50 mM concentration.…”
Section: Resultsmentioning
confidence: 99%
“…This assay has been used for assessing the activity of antimicrobial agents and screening antibiotic-resistant bacteria. 23 This assay has also been used to assess the microbial electron-transfer activity in inocula 24 and screening sediment samples used as analytes in microbial fuel cells. 25…”
Section: Introductionmentioning
confidence: 99%
“…This assay has been used for assessing the activity of antimicrobial agents and screening antibiotic-resistant bacteria. 23 This assay has also been used to assess the microbial electrontransfer activity in inocula 24 and screening sediment samples used as analytes in microbial fuel cells. 25 Bacterial activity assessment of untreated wastewater is primarily important for determining the optimal treatment method and dening treatment parameters that are best suited for decentralized wastewater treatment setups.…”
We present an innovative, cost-effective photodiode-based device with high sensitivity for microscale assessment of bacterial activity with a significant potential for applications in wastewater management and assessment of antimicrobial activity.
“…It can be used as a suitable alternative to expensive electrochemical methods. This assay has previously been used to determine microbial electron transfer activities of samples used as inocula in microbial fuel cells [ 15 , 18 ]. It has also been employed for estimating antibiotic resistance among different bacteria [ 19 ].…”
Section: Resultsmentioning
confidence: 99%
“…The assay was performed as per Aiyer et al. [ 15 ] as follows. Two ml of the microbial culture was taken in a cuvette, to which methylene blue (0.2 μl; final concentration of 50 mg ml −1 ) was added.…”
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