Analysis of the electric charge properties of biofilm for the development of biofilm matrices as biosorbents for water pollutant

Kurniawan, Andi; Fukuda, Yasuaki

doi:10.1007/s40974-022-00253-6

Cited by 8 publications

(5 citation statements)

References 36 publications

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“…Peaks around 1650 cm⁻¹ in the spectra indicated the presence of carboxylic groups (C=O) within the biofilm matrix. These carboxylic groups are known to ionize, contributing to the negatively charged electrical sites in the biofilm matrix [Kurniawan and Fukuda, 2023]. The spectrum's region at 3600-3100 cm⁻¹ suggested the existence of hydroxyl groups (-OH), a finding supported by the stretching of C=O due to the presence of a carboxylic skeleton.…”

Section: Functional Groups At Biofilm Matricesmentioning

confidence: 94%

“…The negative EPM indicated the presence of negatively charged sites within the biofilm polymer, likely stemming from functional groups As H⁺ concentration increased, a deionization process unfolded, facilitating the binding of H⁺ to these negatively charged sites. A pivotal EPM shift around pH 4 suggested the existence of highly protonated functional groups, notably those with pKa 4 values, such as carboxyl groups [Kurniawan and Fukuda, 2023]. The transition to positive EPM at pH 2 signified the emergence of positively charged sites, potentially associated with amino groups.…”

Section: Electric Charge Properties Of Biofilmmentioning

confidence: 99%

“…A critical aspect of the biofilm matrix, facilitating the accumulation of diverse ions, is the presence of charged sites within biofilm polymers. These electrically charged sites stem from the ionization of various functional groups in biofilm polymers [Kurniawan and Fukuda, 2023]. To assess the composition of functional groups in biofilm matrices, both intact and autoclaved biofilms were subjected to FTIR spectral analysis in this study (Figure 3).…”

Section: Functional Groups At Biofilm Matricesmentioning

confidence: 99%

See 2 more Smart Citations

Comparative Biosorption Proficiency in Intact and Autoclaved Biofilm Matrices

Kurniawan,

Pramudia,

Susanti

et al. 2024

J. Ecol. Eng.

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The urgent need for technological innovation to combat water pollution underscores the significance of biosorption as a potential solution. The success of biosorption hinges on the careful selection of a suitable biosorbent. Biofilms, composed of microbial communities, emerge as a promising alternative due to their expansive adsorption capacity and ready availability. In practical applications, biosorption is often executed at pollutant concentrations lethal to microbes. Consequently, comprehending the biosorption potential of biofilms with deceased microbes becomes imperative. Notably, biofilms with deceased microbes offer the added advantage of minimizing the risk of pathogenic microbial contamination. Despite this, studies are scarce comparing biosorption between intact biofilms and those with deceased microbes. This comparative analysis could enhance the feasibility of biofilms in biosorption as an eco-aquatic technology for alleviating aquatic pollution. This study aims to scrutinize the biosorption characteristics of intact biofilm (with living microbes) and autoclaved biofilm (with deceased microbes). The methods employed for analyzing biosorption characteristics encompass examining electric charge properties, FTIR spectra analysis, ion adsorption, and ion desorption. The model ions chosen for this study are K⁺ (monovalent ion) and Mg²⁺ (divalent ion). Results indicate that the biofilm's electric charge properties and adsorption capacity remain relatively unchanged post-autoclaving. Based on these findings, it can be concluded that biofilms, whether intact or autoclaved, present substantial potential as biosorbents in the advancement of eco-aquatic technology for mitigating water pollution.

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Section: Functional Groups At Biofilm Matricesmentioning

confidence: 94%

Section: Electric Charge Properties Of Biofilmmentioning

confidence: 99%

Section: Functional Groups At Biofilm Matricesmentioning

confidence: 99%

See 1 more Smart Citation

Comparative Biosorption Proficiency in Intact and Autoclaved Biofilm Matrices

Kurniawan,

Pramudia,

Susanti

et al. 2024

J. Ecol. Eng.

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“…The number of microplastics in Lusi Island would provide essential data on microplastic pollution downstream. More studies are needed to explore the number of microplastics in ecosystem components abundant in aquatic ecosystems, like microbial biofilm [41,42] or gastropods [43]. Moreover, the study in other locations, such as the beach and ocean, connected to the Brantas River and Lusi Island to provide the distribution data of microplastics from upstream, downstream, and estuaries to marine areas.…”

Section: Microplastics Analysismentioning

confidence: 99%

Distribution of microplastics in Lusi Island, Sidoarjo, Indonesia

Salamah,

Al-Zamzami,

Pramudia

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Lusi Island, situated downstream of the Brantas River, is anticipated to harbour significant microplastics from Brantas River runoff. Consequently, a thorough analysis of the microplastic presence on Lusi Island is crucial for effective pollution mitigation. Despite the critical need for such investigations, more studies must report the abundance of microplastics in this locale. This study aims to fill this gap by examining the abundance of microplastics in the downstream area of the Brantas River, specifically Lusi Island. The research not only delves into the prevalence of microplastics but also investigates various water quality parameters, including dissolved oxygen, pH, temperature, turbidity, and total dissolved oxygen. The study reveals that the abundance of microplastics in Lusi Island ranges from 597 to 787 particles per litre in surface water samples. Three distinct types of microplastics—fragments, fibres, and film—were identified on the island. Notably, microplastic fragments dominate in number compared to other forms. Despite the favourable water quality parameters suggesting a healthy aquatic environment, the study underscores the necessity of implementing mitigation measures to address microplastic pollution effectively.

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“…Bioremediation is a method that utilizes living creatures' capability to diminish, deteriorate, and eliminate environmental pollutants, including marine and terrestrial ecosystems, thereby decreasing the harm to human health by rehabilitating the ecosystem to its normal condition. The foundational concepts of bioremediation require reducing the solubility, redox reactions, and adsorption of contaminants from the polluted environment (Kurniawan and Fukuda, 2023). The achievement of this method also relies on the origin of the pollutant, which may be sewage, nuclear waste, greenhouse gases, agrochemicals, heavy metals, and hydrocarbons (polycyclic aromatic hydrocarbon).…”

Section: Introductionmentioning

confidence: 99%

Oxygenase Enzyme Activity and Compound Profile in Hydrocarbon Bioremediation by Pseudomonas aeruginosa and Rhodococcus erythropolis Consortium

Yanuar,

Amin,

Salamah

et al. 2023

JIPK

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Hydrocarbon contamination is one of the most significant environmental problems, including in the marine environment. Several methods, such as chemical and physical remediation, have been constructed to remediate pollutants but remain side effects and have a relatively high cost. Bioremediation is an alternative method for degrading contaminants due to its eco-friendliness and low cost. During bioremediation, the enzyme oxygenase is produced by bacteria to degrade pollutants. However, the oxygenation enzyme's activity and compound profile during this bioremediation process are still sparsely explored. This study aimed to analyze oxygenation enzyme activity and compound profiles during the hydrocarbon bioremediation process by bacterial consortia of Pseudomonas aeruginosa and Rhodococcus erythopolis. The materials of this research were the oxygenase enzyme activity, compound profile, and amount of BOD and COD during the bioremediation process. The results showed that the monooxygenase enzyme has activity between 0.257 and 3.859 U/mL. Meanwhile, the dioxygenase enzyme has activity between 0.579 and 5.402 U/mL. The final incubation compound profile found that Hexadecanoic acid methyl ester (C17H34O2) decreased by up to 47.66%. Moreover, BOD and COD reductions were 68.59% and 67.51%, respectively. This study concluded that oxygenation enzymes were produced to degrade pollutant compounds during the hydrocarbon bioremediation process. Further research is needed to improve the effectiveness of bioremediation by enhancing enzyme activity. Highlight Research The potential of hydrocarbon-degrading bacteria (Rhodococcus erythropolis and Pseudomonas aeruginosa) for pollutant degradation in the marine environment. Enzyme activity of hydrocarbon-degrading bacteria and degradation profile of pollutants. The dynamics of BOD and COD during the bioremediation process.

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Analysis of the electric charge properties of biofilm for the development of biofilm matrices as biosorbents for water pollutant

Cited by 8 publications

References 36 publications

Comparative Biosorption Proficiency in Intact and Autoclaved Biofilm Matrices

Comparative Biosorption Proficiency in Intact and Autoclaved Biofilm Matrices

Distribution of microplastics in Lusi Island, Sidoarjo, Indonesia

Oxygenase Enzyme Activity and Compound Profile in Hydrocarbon Bioremediation by Pseudomonas aeruginosa and Rhodococcus erythropolis Consortium

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