All Outputs (61)

Removal of copper from cattle footbath wastewater with layered double hydroxide adsorbents as a route to antimicrobial resistance mitigation on dairy farms (2018)
Journal Article
Williams, O., Clark, I., Gomes, R. L., Perehinec, T., Hobman, J. L., Stekel, D. J., …Lester, E. (2019). Removal of copper from cattle footbath wastewater with layered double hydroxide adsorbents as a route to antimicrobial resistance mitigation on dairy farms. Science of the Total Environment, 655, 1139-1149. https://doi.org/10.1016/j.scitotenv.2018.11.330

Copper and zinc are routinely used in livestock antimicrobial footbaths in commercial farming. The footbath mix is a cost to farmers, and the disposal of spent footbath into slurry tanks leads to soil contamination, as well as the potential for antim... Read More about Removal of copper from cattle footbath wastewater with layered double hydroxide adsorbents as a route to antimicrobial resistance mitigation on dairy farms.

Vestibulotoxicity associated with platinum-based chemotherapy in survivors of cancer: a scoping review (2018)
Journal Article
Prayuenyong, P., Taylor, J. A., Pearson, S. E., Gomez, R., Patel, P. M., Hall, D. A., …Baguley, D. M. (2018). Vestibulotoxicity associated with platinum-based chemotherapy in survivors of cancer: a scoping review. Frontiers in Oncology, 8, Article 363. https://doi.org/10.3389/fonc.2018.00363

Background: Cochleotoxicity following the treatment with platinum-based chemotherapy is well documented. The potential for vestibulotoxicity is still unclear. This scoping review examined the extent of current research literature, summarized research... Read More about Vestibulotoxicity associated with platinum-based chemotherapy in survivors of cancer: a scoping review.

Anthropogenic environmental drivers of antimicrobial resistance in wildlife (2018)
Journal Article
Swift, B. M., Bennett, M., Waller, K., Dodd, C., Murray, A., Gomes, R. L., …Arnold, K. E. (2019). Anthropogenic environmental drivers of antimicrobial resistance in wildlife. Science of the Total Environment, 649, 12-20. https://doi.org/10.1016/j.scitotenv.2018.08.180

The isolation of antimicrobial resistant bacteria (ARB) from wildlife living adjacent to humans has led to the suggestion that such antimicrobial resistance (AMR) is anthropogenically driven by exposure to antimicrobials and ARB. However, ARB have al... Read More about Anthropogenic environmental drivers of antimicrobial resistance in wildlife.

Rational design of thermostable carbonic anhydrase mutants using molecular dynamics simulations (2018)
Journal Article
Parra-Cruz, R., Jäger, C. M., Lau, P. L., Gomes, R. L., & Pordea, A. (2018). Rational design of thermostable carbonic anhydrase mutants using molecular dynamics simulations. Journal of Physical Chemistry B, 122(36), 8526-8536. https://doi.org/10.1021/acs.jpcb.8b05926

The stability of enzymes is critical for their application in industrial processes, which generally require different conditions from the natural enzyme environment. Both rational and random protein engineering approaches have been used to increase s... Read More about Rational design of thermostable carbonic anhydrase mutants using molecular dynamics simulations.

Cloud manufacturing as a sustainable process manufacturing route (2018)
Journal Article
Fisher, O., Watson, N., Porcu, L., Bacon, D., Rigley, M., & Gomes, R. (2018). Cloud manufacturing as a sustainable process manufacturing route. Journal of Manufacturing Systems, 47, https://doi.org/10.1016/j.jmsy.2018.03.005

Cloud Manufacturing (CM) is a service oriented business model to share manufacturing capabilities and resources on a cloud platform. Manufacturing is under pressure to achieve cost and environmental impact reductions, as manufacturing becomes more in... Read More about Cloud manufacturing as a sustainable process manufacturing route.

A techno-economic assessment of the potential for combining supercritical water oxidation with ‘in-situ’ hydrothermal synthesis of nanocatalysts using a counter current mixing reactor (2018)
Journal Article
Al-Atta, A., Huddle, T., Rodríguez, Y. G., Mato, F., García-Serna, J., Cocero, M. J., …Lester, E. (2018). A techno-economic assessment of the potential for combining supercritical water oxidation with ‘in-situ’ hydrothermal synthesis of nanocatalysts using a counter current mixing reactor. Chemical Engineering Journal, 344, 431-440. https://doi.org/10.1016/j.cej.2018.03.058

A combined process of supercritical water oxidation (SCWO) and supercritical water hydrothermal synthesis (SCWHS) in a continuous counter current reactor is reported. Acrylic acid was used as a model unsaturated carboxylic acid compound and the effec... Read More about A techno-economic assessment of the potential for combining supercritical water oxidation with ‘in-situ’ hydrothermal synthesis of nanocatalysts using a counter current mixing reactor.

Techno-economic assessment of scale-up of bio-flocculant extraction and production by using okra as biomass feedstock (2018)
Journal Article
Lee, C. S., Chong, M. F., Binner, E., Gomes, R. L., & Robinson, J. P. (2018). Techno-economic assessment of scale-up of bio-flocculant extraction and production by using okra as biomass feedstock. Chemical Engineering Research and Design, 132, https://doi.org/10.1016/j.cherd.2018.01.050

This paper reports a techno-economic assessment for industrial scale bio-flocculant production with okra as biomass feedstock. The sludge dewatering ability of the bio-flocculant was evaluated prior to economic analysis. Several optimisation strategi... Read More about Techno-economic assessment of scale-up of bio-flocculant extraction and production by using okra as biomass feedstock.

Continuous hydrothermal synthesis of Ca2Al-NO3 layered double hydroxides: the impact of reactor temperature, pressure and NaOH concentration on crystal characteristics (2017)
Journal Article
Clark, I., Dunne, P. W., Gomes, R. L., & Lester, E. (2017). Continuous hydrothermal synthesis of Ca2Al-NO3 layered double hydroxides: the impact of reactor temperature, pressure and NaOH concentration on crystal characteristics. Journal of Colloid and Interface Science, 504, Article 492-499. https://doi.org/10.1016/j.jcis.2017.05.105

Predicting the capability of carboxylated cellulose nanowhiskers for the remediation of copper from water using response surface methodology (RSM) and artificial neural network (ANN) models (2016)
Journal Article
Hamid, H. A., Jenidi, Y., Thielemans, W., Somerfield, C., & Gomes, R. L. (2016). Predicting the capability of carboxylated cellulose nanowhiskers for the remediation of copper from water using response surface methodology (RSM) and artificial neural network (ANN) models. Industrial Crops and Products, 93, 108-120. https://doi.org/10.1016/j.indcrop.2016.05.035

This study observed the influence of temperature, initial Cu(II) ion concentration, and sorbent dosage on the Cu(II) removal from the water matrix using surface-oxidized cellulose nanowhiskers (CNWs) bearing carboxylate functionalities. In addition,... Read More about Predicting the capability of carboxylated cellulose nanowhiskers for the remediation of copper from water using response surface methodology (RSM) and artificial neural network (ANN) models.

Enhancing natural product extraction and mass transfer using selective microwave heating (2016)
Journal Article
Lee, C. S., Binner, E., Winkworth-Smith, C., John, R., Gomes, R., & Robinson, J. (2016). Enhancing natural product extraction and mass transfer using selective microwave heating. Chemical Engineering Science, 149, https://doi.org/10.1016/j.ces.2016.04.031

This study uses a combination of empirical observations and an analysis of mass transfer behaviour to yield new insights into the mechanism of microwave assisted extraction. Enhancements in extraction rate and yield were observed experimentally compa... Read More about Enhancing natural product extraction and mass transfer using selective microwave heating.

Process intensification of anaerobically digested palm oil mill effluent (AAD-POME) treatment using combined chitosan coagulation, hydrogen peroxide (H2O2) and Fenton’s oxidation (2015)
Journal Article
Parthasarathy, S., Gomes, R., & Manickam, S. (2016). Process intensification of anaerobically digested palm oil mill effluent (AAD-POME) treatment using combined chitosan coagulation, hydrogen peroxide (H2O2) and Fenton’s oxidation. Clean Technologies and Environmental Policy, 18(1), 219-230. https://doi.org/10.1007/s10098-015-1009-7

The present study investigates the removal efficiency of chemical oxygen demand (COD) and total suspended solids (TSS) of anaerobically digested palm oil mill effluent in batch studies through the following 4 strategies: coagulation by chitosan, addi... Read More about Process intensification of anaerobically digested palm oil mill effluent (AAD-POME) treatment using combined chitosan coagulation, hydrogen peroxide (H2O2) and Fenton’s oxidation.

A novel hybrid approach of activated carbon and ultrasound cavitation for the intensification of palm oil mill effluent (POME) polishing (2015)
Journal Article
Parthasarathy, S., Mohammed, R. R., Fong, C. M., Gomes, R., & Manickam, S. (2016). A novel hybrid approach of activated carbon and ultrasound cavitation for the intensification of palm oil mill effluent (POME) polishing. Journal of Cleaner Production, 112(1), https://doi.org/10.1016/j.jclepro.2015.05.125

This investigation focuses on activated carbon (AC) adsorption and ultrasound (US) cavitation for polishing the palm oil mill effluent (POME). Both AC adsorption and US cavitation were investigated individually, in series and operating them in a comb... Read More about A novel hybrid approach of activated carbon and ultrasound cavitation for the intensification of palm oil mill effluent (POME) polishing.

Comparison of response surface methodology (RSM) and artificial neural networks (ANN) towards efficient extraction of artemisinin from Artemisia annua (2014)
Journal Article
Pilkington, J., Preston, C., & Gomes, R. L. (2014). Comparison of response surface methodology (RSM) and artificial neural networks (ANN) towards efficient extraction of artemisinin from Artemisia annua. Industrial Crops and Products, 58, 15-24. https://doi.org/10.1016/j.indcrop.2014.03.016

The solid-liquid extraction of Artemisia annua remains an important source of artemisinin, the precursor molecule to the most potent anti-malarial drugs available. Industrial manufacturers of artemisinin face many challenges in regards to volatile ma... Read More about Comparison of response surface methodology (RSM) and artificial neural networks (ANN) towards efficient extraction of artemisinin from Artemisia annua.

Role of H2O2 in the fluctuating patterns of COD (chemical oxygen demand) during the treatment of palm oil mill effluent (POME) using pilot scale triple frequency ultrasound cavitation reactor (2014)
Journal Article
Manickam, S., binti Zainal Abidin, N., Parthasarathy, S., Alzorqi, I., Huay Ng, E., Joyce Tiong, T., …Ali, A. (2014). Role of H2O2 in the fluctuating patterns of COD (chemical oxygen demand) during the treatment of palm oil mill effluent (POME) using pilot scale triple frequency ultrasound cavitation reactor. Ultrasonics Sonochemistry, 21(4), 1519-1526. https://doi.org/10.1016/j.ultsonch.2014.01.002

Palm oil mill effluent (POME) is a highly contaminating wastewater due to its high chemical oxygen demand (COD) and biochemical oxygen demand (BOD). Conventional treatment methods require longer residence time (10–15 days) and higher operating cost.... Read More about Role of H2O2 in the fluctuating patterns of COD (chemical oxygen demand) during the treatment of palm oil mill effluent (POME) using pilot scale triple frequency ultrasound cavitation reactor.

The impact of impurities in various crude A. annua extracts on the analysis of artemisinin by liquid chromatographic methods (2012)
Journal Article
Pilkington, J. L., Preston, C., & Gomes, R. L. (2012). The impact of impurities in various crude A. annua extracts on the analysis of artemisinin by liquid chromatographic methods. Journal of Pharmaceutical and Biomedical Analysis, 70, 136-142. https://doi.org/10.1016/j.jpba.2012.06.015

Analysis of Artemisia annua extracts by liquid chromatographic methods has traditionally been complicated by the presence of significant quantities of impurities. It has been observed that these impurities often remain as a solid residue after sample... Read More about The impact of impurities in various crude A. annua extracts on the analysis of artemisinin by liquid chromatographic methods.

The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments (2010)
Journal Article
Gomes, R. L., Scrimshaw, M. D., Cartmell, E., & Lester, J. N. (2010). The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments. Environmental Monitoring and Assessment, 175, 431–441. https://doi.org/10.1007/s10661-010-1541-1

The partitioning of steroid estrogens in wastewater treatment and receiving waters is likely to influence their discharge to, and persistence in, the environment. This study investigated the partitioning behaviour of steroid estrogens in both laborat... Read More about The fate of steroid estrogens: Partitioning during wastewater treatment and onto river sediments.

Fate of conjugated natural and synthetic steroid estrogens in crude sewage and activated sludge batch studies (2009)
Journal Article
Gomes, R. L., Scrimshaw, M. D., & Lester, J. N. (2009). Fate of conjugated natural and synthetic steroid estrogens in crude sewage and activated sludge batch studies. Environmental Science and Technology, 43(10), 3612–3618. https://doi.org/10.1021/es801952h

Steroids are excreted from the human body in the conjugated form but are present in sewage influent and effluent as the free steroid, the major source of estrogenic activity observed in water courses. The fate of sulfate and glucuronide conjugated st... Read More about Fate of conjugated natural and synthetic steroid estrogens in crude sewage and activated sludge batch studies.

Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography/mass spectrometry (2005)
Journal Article
Gomes, R. L., Birkett, J. W., Scrimshaw, M. D., & Lester, J. N. (2005). Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography/mass spectrometry. International Journal of Environmental Analytical Chemistry, 85(1), 1-14. https://doi.org/10.1080/03067310512331324745

An analytical method for the simultaneous determination of nine free and conjugated steroid estrogens was developed with application to environmental aqueous matrices. Solid-phase extraction (SPE) was employed for isolation and concentration, with de... Read More about Simultaneous determination of natural and synthetic steroid estrogens and their conjugates in aqueous matrices by liquid chromatography/mass spectrometry.

Steroid-estrogen determination in sediment and sewage sludge: A critique of sample preparation and chromatographic/mass spectrometry considerations, incorporating a case study in method development (2004)
Journal Article
Gomes, R. L., Avcioglu, E., Scrimshaw, M. D., & Lester, J. N. (2004). Steroid-estrogen determination in sediment and sewage sludge: A critique of sample preparation and chromatographic/mass spectrometry considerations, incorporating a case study in method development. Trends in Analytical Chemistry, 23(10-11), 737-744. https://doi.org/10.1016/j.trac.2004.08.006

An assessment of the bioaccumulation of estrone in Daphnia magna (2004)
Journal Article
Gomes, R. L., Deacon, H. E., Lai, K. M., Birkett, J. W., Scrimshaw, M. D., & Lester, J. N. (2004). An assessment of the bioaccumulation of estrone in Daphnia magna. Environmental Toxicology and Chemistry, 23(1), 105-108. https://doi.org/10.1897/02-613

The bioaccumulation of estrone by Daphnia magna was determined. Direct uptake via the aqueous medium occurred within the first 16 h. A bioconcentration factor of 228 was established over all temporal periods. Ingestion via Chlorella vulgaris gave a p... Read More about An assessment of the bioaccumulation of estrone in Daphnia magna.