Pascal E. Saikaly
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View article: Characterization of nanoplastics and small-sized microplastics in sewage treatment
Characterization of nanoplastics and small-sized microplastics in sewage treatment Open
The presence of nanoplastics (NPs) in sewage treatment plants (STPs) remains a critical yet underexplored environmental issue. Here, we present a novel investigation into the occurrence, recovery, and characterization of nanoplastics and s…
View article: Balancing Surface Chemistry and Flake Size of MXene‐Based Electrodes for Bioelectrochemical Reactors (Small 20/2025)
Balancing Surface Chemistry and Flake Size of MXene‐Based Electrodes for Bioelectrochemical Reactors (Small 20/2025) Open
View article: Genome-resolved metatranscriptomics unveils distinct microbial functionalities across aggregate sizes in aerobic granular sludge
Genome-resolved metatranscriptomics unveils distinct microbial functionalities across aggregate sizes in aerobic granular sludge Open
Microbial aggregates of different sizes in aerobic granular sludge (AGS) systems have been shown to exhibit distinct microbial community compositions. However, studies comparing the microbial activities of different-sized aggregates in AGS…
View article: Genome-Resolved Metatranscriptomics Provide Insights on Immigration Influence in Structuring Microbial Community Assembly of a Full-Scale Aerobic Granular Sludge Plant
Genome-Resolved Metatranscriptomics Provide Insights on Immigration Influence in Structuring Microbial Community Assembly of a Full-Scale Aerobic Granular Sludge Plant Open
Understanding the relative influence of immigration and species sorting in wastewater treatment systems is essential, as bacteria in influent wastewater can significantly impact treatment system functionality. This study investigated the c…
View article: Real-Time, Closed-Loop Ammonium Monitoring Using Laser-Scribed Graphene Sensors for Wastewater Treatment
Real-Time, Closed-Loop Ammonium Monitoring Using Laser-Scribed Graphene Sensors for Wastewater Treatment Open
View article: Independently evolved extracellular electron transfer pathways in ecologically diverse <i>Desulfobacterota</i>
Independently evolved extracellular electron transfer pathways in ecologically diverse <i>Desulfobacterota</i> Open
Extracellular electron transfer plays a role in the biogeochemical cycling of carbon, metals, sulfur, and nitrogen, and has wide-ranging biotechnological applications. The metal-reducing (Mtr), outer-membrane cytochrome (Omc), and porin-cy…
View article: Alginate-like exopolysaccharides extracted from different waste sludges exhibit varying physicochemical and material properties
Alginate-like exopolysaccharides extracted from different waste sludges exhibit varying physicochemical and material properties Open
This study examined the influence of different wastewater treatment processes on the physicochemical properties of Alginate-Like Exopolymers (ALE) extracted from waste sludge. Sludge samples were collected from wastewater treatment plants …
View article: Striking a Balance: Decentralized and Centralized Wastewater Treatment Systems for Advancing Sustainable Development Goal 6
Striking a Balance: Decentralized and Centralized Wastewater Treatment Systems for Advancing Sustainable Development Goal 6 Open
View article: The unique chemical and microbiological signatures of an array of bottled drinking water
The unique chemical and microbiological signatures of an array of bottled drinking water Open
The bottled drinking water market has seen significant growth and diversification, yet the selection criteria lack scientific basis, as all must adhere to stringent health standards. Prior studies predominantly focused on chemical quality,…
View article: MiDAS 5: Global diversity of bacteria and archaea in anaerobic digesters
MiDAS 5: Global diversity of bacteria and archaea in anaerobic digesters Open
View article: Striking a Balance: Decentralized and Centralized Wastewater Treatment Systems for Advancing Sustainable Development Goal 6
Striking a Balance: Decentralized and Centralized Wastewater Treatment Systems for Advancing Sustainable Development Goal 6 Open
Water scarcity and sanitation pose a critical global challenge worsened by population growth and the finite nature of freshwater resources. Despite the United Nations’ Sustainable Development Goal 6 (SDG6) advocating for universal water an…
View article: Lactate-mediated medium-chain fatty acid production from expired dairy and beverage waste
Lactate-mediated medium-chain fatty acid production from expired dairy and beverage waste Open
Fruits, vegetables, and dairy products are typically the primary sources of household food waste. Currently, anaerobic digestion is the most used bioprocess for the treatment of food waste with concomitant generation of biogas. However, to…
View article: Effect of alkaline pretreatment on the characteristics of barley straw and modeling of methane production via codigestion of pretreated straw with sewage sludge
Effect of alkaline pretreatment on the characteristics of barley straw and modeling of methane production via codigestion of pretreated straw with sewage sludge Open
Straw pretreatment enhances the cellulose accessibility and increases the methane yield from anaerobic digestion. This study investigated the effects of alkali pretreatments with different chemical agents (NaOH, KOH, and Na2CO3) on the phy…
View article: Demystifying polyphosphate-accumulating organisms relevant to wastewater treatment: A review of their phylogeny, metabolism, and detection
Demystifying polyphosphate-accumulating organisms relevant to wastewater treatment: A review of their phylogeny, metabolism, and detection Open
View article: Genomics Tools to Study Membrane-Based Systems
Genomics Tools to Study Membrane-Based Systems Open
Water quality is a critical issue for the water industry today, and membrane fi ltration a highly effective treatment used to provide clean water for the global population. Experimental processes and methods are being developed for assessi…
View article: MiDAS 5: Global diversity of bacteria and archaea in anaerobic digesters
MiDAS 5: Global diversity of bacteria and archaea in anaerobic digesters Open
Anaerobic digestion represents a key biotechnology for the transformation of organic waste into renewable energy (biogas) and relies on complex microbial communities that work in concert to degrade the complex substrates into methane and c…
View article: Performance Evaluation of a Pilot-Scale Aerobic Granular Sludge Integrated with Gravity-Driven Membrane System Treating Domestic Wastewater
Performance Evaluation of a Pilot-Scale Aerobic Granular Sludge Integrated with Gravity-Driven Membrane System Treating Domestic Wastewater Open
This study describes a novel integration of aerobic granular sludge (AGS) with a gravity-driven membrane (GDM) system at a pilot scale with a treatment capacity of approximately 150 L per day to treat raw domestic wastewater. The treatment…
View article: W2N-MXene composite anode catalyst for efficient microbial fuel cells using domestic wastewater
W2N-MXene composite anode catalyst for efficient microbial fuel cells using domestic wastewater Open
Microbial fuel cells (MFCs) have enormous potential to treat wastewater and reduce the energy demands of wastewater treatment plants while generating electricity using active microorganisms as biocatalysts. However, the practical applicati…
View article: Adopting the circular model: opportunities and challenges of transforming wastewater treatment plants into resource recovery factories in Saudi Arabia
Adopting the circular model: opportunities and challenges of transforming wastewater treatment plants into resource recovery factories in Saudi Arabia Open
With the ever-growing population, water, energy, and resources need to be used carefully, reused, and renewed. There is an increasing global interest in resource recovery from ‘waste’, which is driven by sustainability and environmental co…
View article: Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis
Nickel-Coated ceramic hollow fiber cathode for fast enrichment of chemolithoautotrophs and efficient reduction of CO2 in microbial electrosynthesis Open
View article: A novel anaerobic fluidized membrane bioreactor system: Improving process performance and fouling control
A novel anaerobic fluidized membrane bioreactor system: Improving process performance and fouling control Open
In this study, the effectiveness of a novel system of an anaerobic fluidized membrane bioreactor (AnFMBR) in treating wastewater was demonstrated and the results were validated by testing duplicate systems in parallel under similar operati…
View article: High-rate microbial electrosynthesis using a zero-gap flow cell and vapor-fed anode design
High-rate microbial electrosynthesis using a zero-gap flow cell and vapor-fed anode design Open
View article: Continuous extraction and concentration of secreted metabolites from engineered microbes using membrane technology
Continuous extraction and concentration of secreted metabolites from engineered microbes using membrane technology Open
Microalgal cultivation in photobioreactors and membrane separations are both considered sustainable processes. Here we explore their synergistic combination to extract and concentrate a heterologous sesquiterpenoid produced by engineered g…
View article: Pilot scale microbial fuel cells using air cathodes for producing electricity while treating wastewater
Pilot scale microbial fuel cells using air cathodes for producing electricity while treating wastewater Open
View article: Continuous extraction and concentration of secreted metabolites from engineered microbes using membrane technology
Continuous extraction and concentration of secreted metabolites from engineered microbes using membrane technology Open
Light-driven engineered microalgal cultivation in photobioreactors coupled with membrane separations of secreted metabolites as next generation sustainable bio-processes.
View article: Seawater desalination based drinking water: Microbial characterization during distribution with and without residual chlorine
Seawater desalination based drinking water: Microbial characterization during distribution with and without residual chlorine Open
View article: Relative Importance of Stochastic Assembly Process of Membrane Biofilm Increased as Biofilm Aged
Relative Importance of Stochastic Assembly Process of Membrane Biofilm Increased as Biofilm Aged Open
The relative importance of different ecological processes controlling biofilm community assembly over time on membranes with different surface characteristics has never been investigated in membrane bioreactors (MBRs). In this study, five …
View article: Long-Term Continuous Extraction of Medium-Chain Carboxylates by Pertraction With Submerged Hollow-Fiber Membranes
Long-Term Continuous Extraction of Medium-Chain Carboxylates by Pertraction With Submerged Hollow-Fiber Membranes Open
Medium-chain carboxylic acids (MCCAs), which can be generated from organic waste and agro-industrial side streams through microbial chain elongation, are valuable chemicals with numerous industrial applications. Membrane-based liquid-liqui…
View article: Physicochemical Properties of Extracellular Polymeric Substances Produced by Three Bacterial Isolates From Biofouled Reverse Osmosis Membranes
Physicochemical Properties of Extracellular Polymeric Substances Produced by Three Bacterial Isolates From Biofouled Reverse Osmosis Membranes Open
This work describes the chemical composition of extracellular polymeric substances (EPS) produced by three bacteria (RO1, RO2, and RO3) isolated from a biofouled reverse osmosis (RO) membrane. We isolated pure cultures of three bacterial s…
View article: Coupling anaerobic fluidized membrane bioreactors with microbial electrolysis cells towards improved wastewater reuse and energy recovery
Coupling anaerobic fluidized membrane bioreactors with microbial electrolysis cells towards improved wastewater reuse and energy recovery Open