Skip to main content

Akhenaton-Andrew Dhafir Jones

Assistant Professor of Civil and Environmental Engineering
Civil and Environmental Engineering
Box 90287, Durham, NC 27708-0287
534 Research Dr., Wilkinson 215, Durham, NC 27708

Selected Publications


The Climate Change Burden on Immune Health: Are Persons Living with HIV More at Risk?

Journal Article AIDS Res Hum Retroviruses · May 27, 2024 Climate change poses one of the most significant modern threats to overall human health,especially for vulnerable populations including persons living with HIV (PLWH). In this perspective, we specifically explore the concept of immune resilience in human h ... Full text Link to item Cite

A microtiter peg lid with ziggurat geometry for medium-throughput antibiotic testing and in situ imaging of biofilms.

Journal Article Biofilm · December 2023 Bacteria biofilm responses to disinfectants and antibiotics are quantified and observed using multiple methods, though microscopy, particularly confocal laser scanning microscopy (CLSM) is preferred due to speed, a reduction in user error, and in situ Full text Open Access Cite

Heterogenous biofilm mass-transport model replicates periphery sequestration of antibiotics in Pseudomonas aeruginosa PAO1 microcolonies.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · November 2023 A model for antibiotic accumulation in bacterial biofilm microcolonies utilizing heterogenous porosity and attachment site profiles replicated the periphery sequestration reported in prior experimental studies on Pseudomonas aeruginosa PAO1 biofilm ... Full text Open Access Cite

In situ continuous electrochemical quantification of bacterial adhesion to electrically polarized metallic surfaces under shear.

Journal Article Biointerphases · March 2022 Biofouling creates significant human and economic losses through infections, corrosion, and drag losses on ships and in oil and food distribution pipelines. Organisms adhered to these surfaces contend with high shear rates and are actively transported to t ... Full text Cite

Adapting Undergraduate Research to Remote Work to Increase Engagement.

Journal Article Biophysicist (Rockville, Md.) · September 2021 Demand for undergraduate research experiences typically outstrips the available laboratory positions, which could have been exacerbated during the remote work conditions imposed by the SARS-CoV-2/COVID-19 pandemic. This report presents a collection of exam ... Full text Cite

Aloe Vera-Mediated Te Nanostructures: Highly Potent Antibacterial Agents and Moderated Anticancer Effects.

Journal Article Nanomaterials (Basel, Switzerland) · February 2021 Cancer and antimicrobial resistance to antibiotics are two of the most worrying healthcare concerns that humanity is facing nowadays. Some of the most promising solutions for these healthcare problems may come from nanomedicine. While the traditional synth ... Full text Cite

A hierarchical integration pyramid to increase translation of biomaterials based on recent successes in multiscale synthetic biomaterials research

Journal Article Current Opinion in Biomedical Engineering · June 1, 2019 The success of science and engineering in increasing life span and quality of life has generated difficult challenges to sustaining health span. Aging populations and poor health patterns have increased the need for replacement organs, tissues, and limbs t ... Full text Cite

A Status Report on FDA Approval of Medical Devices Containing Nanostructured Materials.

Journal Article Trends in biotechnology · February 2019 Commercialization has been slow since the FDA approved a medical device containing nanomaterials in 1980. In 2017, the FDA released draft guidance to accelerate approval. We highlight here that geographical and structural separation of researchers, manufac ... Full text Cite

Continuous shear stress alters metabolism, mass-transport, and growth in electroactive biofilms independent of surface substrate transport.

Journal Article Scientific reports · February 2019 Electroactive bacteria such as Geobacter sulfurreducens and Shewanella onedensis produce electrical current during their respiration; this has been exploited in bioelectrochemical systems. These bacteria form thicker biofilms and stay more active than solu ... Full text Open Access Cite

Translational medicine and biomaterials

Chapter · January 1, 2019 There is great promise for new scientific and technical breakthroughs, specifically around biomaterials, to address global health challenges. New biomaterials can serve as replacement body parts, reduce healing time, and reduce reliance on antibiotics and ... Full text Cite

Microfluidic dielectrophoresis illuminates the relationship between microbial cell envelope polarizability and electrochemical activity.

Journal Article Science advances · January 2019 Electrons can be transported from microbes to external insoluble electron acceptors (e.g., metal oxides or electrodes in an electrochemical cell). This process is known as extracellular electron transfer (EET) and has received considerable attention due to ... Full text Cite

Translational medicine and biomaterials: Basics and relationship

Chapter · January 1, 2018 There is great promise for new scientific and technical breakthroughs, specifically around biomaterials, to address global health challenges. New biomaterials can serve as replacement body parts, reduce healing time, and reduce reliance on antibiotics and ... Full text Cite

Strong correlation between bacterial extracellular electron transport and cell envelope polarizability

Conference 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016 · January 1, 2016 Extracellular electron transfer (EET) in Geobacter sulfurreducens is mediated by outer-membrane cytochromes. We show that loss of outer-membrane cytochromes reduces G. sulfurreducens surface polarizability. In the contrast, G. sulfurreducens harvested from ... Cite

Numerical simulation and verification of gas transport during an atomic layer deposition process

Journal Article Materials Science in Semiconductor Processing · May 1, 2014 Atomic Layer Deposition (ALD) is a process used to deposit nanometer scale films for use in semiconductor electronics. The reactor consists of a warm wall horizontal flow tube, a substrate mounted on a disk downstream from the inlet, and cyclic flow betwee ... Full text Cite

The Climate Change Burden on Immune Health: Are Persons Living with HIV More at Risk?

Journal Article AIDS Res Hum Retroviruses · May 27, 2024 Climate change poses one of the most significant modern threats to overall human health,especially for vulnerable populations including persons living with HIV (PLWH). In this perspective, we specifically explore the concept of immune resilience in human h ... Full text Link to item Cite

A microtiter peg lid with ziggurat geometry for medium-throughput antibiotic testing and in situ imaging of biofilms.

Journal Article Biofilm · December 2023 Bacteria biofilm responses to disinfectants and antibiotics are quantified and observed using multiple methods, though microscopy, particularly confocal laser scanning microscopy (CLSM) is preferred due to speed, a reduction in user error, and in situ Full text Open Access Cite

Heterogenous biofilm mass-transport model replicates periphery sequestration of antibiotics in Pseudomonas aeruginosa PAO1 microcolonies.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · November 2023 A model for antibiotic accumulation in bacterial biofilm microcolonies utilizing heterogenous porosity and attachment site profiles replicated the periphery sequestration reported in prior experimental studies on Pseudomonas aeruginosa PAO1 biofilm ... Full text Open Access Cite

In situ continuous electrochemical quantification of bacterial adhesion to electrically polarized metallic surfaces under shear.

Journal Article Biointerphases · March 2022 Biofouling creates significant human and economic losses through infections, corrosion, and drag losses on ships and in oil and food distribution pipelines. Organisms adhered to these surfaces contend with high shear rates and are actively transported to t ... Full text Cite

Adapting Undergraduate Research to Remote Work to Increase Engagement.

Journal Article Biophysicist (Rockville, Md.) · September 2021 Demand for undergraduate research experiences typically outstrips the available laboratory positions, which could have been exacerbated during the remote work conditions imposed by the SARS-CoV-2/COVID-19 pandemic. This report presents a collection of exam ... Full text Cite

Aloe Vera-Mediated Te Nanostructures: Highly Potent Antibacterial Agents and Moderated Anticancer Effects.

Journal Article Nanomaterials (Basel, Switzerland) · February 2021 Cancer and antimicrobial resistance to antibiotics are two of the most worrying healthcare concerns that humanity is facing nowadays. Some of the most promising solutions for these healthcare problems may come from nanomedicine. While the traditional synth ... Full text Cite

A hierarchical integration pyramid to increase translation of biomaterials based on recent successes in multiscale synthetic biomaterials research

Journal Article Current Opinion in Biomedical Engineering · June 1, 2019 The success of science and engineering in increasing life span and quality of life has generated difficult challenges to sustaining health span. Aging populations and poor health patterns have increased the need for replacement organs, tissues, and limbs t ... Full text Cite

A Status Report on FDA Approval of Medical Devices Containing Nanostructured Materials.

Journal Article Trends in biotechnology · February 2019 Commercialization has been slow since the FDA approved a medical device containing nanomaterials in 1980. In 2017, the FDA released draft guidance to accelerate approval. We highlight here that geographical and structural separation of researchers, manufac ... Full text Cite

Continuous shear stress alters metabolism, mass-transport, and growth in electroactive biofilms independent of surface substrate transport.

Journal Article Scientific reports · February 2019 Electroactive bacteria such as Geobacter sulfurreducens and Shewanella onedensis produce electrical current during their respiration; this has been exploited in bioelectrochemical systems. These bacteria form thicker biofilms and stay more active than solu ... Full text Open Access Cite

Translational medicine and biomaterials

Chapter · January 1, 2019 There is great promise for new scientific and technical breakthroughs, specifically around biomaterials, to address global health challenges. New biomaterials can serve as replacement body parts, reduce healing time, and reduce reliance on antibiotics and ... Full text Cite

Microfluidic dielectrophoresis illuminates the relationship between microbial cell envelope polarizability and electrochemical activity.

Journal Article Science advances · January 2019 Electrons can be transported from microbes to external insoluble electron acceptors (e.g., metal oxides or electrodes in an electrochemical cell). This process is known as extracellular electron transfer (EET) and has received considerable attention due to ... Full text Cite

Translational medicine and biomaterials: Basics and relationship

Chapter · January 1, 2018 There is great promise for new scientific and technical breakthroughs, specifically around biomaterials, to address global health challenges. New biomaterials can serve as replacement body parts, reduce healing time, and reduce reliance on antibiotics and ... Full text Cite

Strong correlation between bacterial extracellular electron transport and cell envelope polarizability

Conference 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016 · January 1, 2016 Extracellular electron transfer (EET) in Geobacter sulfurreducens is mediated by outer-membrane cytochromes. We show that loss of outer-membrane cytochromes reduces G. sulfurreducens surface polarizability. In the contrast, G. sulfurreducens harvested from ... Cite

Numerical simulation and verification of gas transport during an atomic layer deposition process

Journal Article Materials Science in Semiconductor Processing · May 1, 2014 Atomic Layer Deposition (ALD) is a process used to deposit nanometer scale films for use in semiconductor electronics. The reactor consists of a warm wall horizontal flow tube, a substrate mounted on a disk downstream from the inlet, and cyclic flow betwee ... Full text Cite

A microfluidic platform for evaluating anode substrates for microbial fuel cells

Conference ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE) · December 1, 2012 Microbial fuel cell technology is a new technology for producing green energy from wastewater. While lab scale and commercial microbial fuel cells typically utilize graphite as the film substrate, it is difficult to rapidly prototype micro-patterned graphi ... Full text Cite