NDLI: Inactivation of bacteria from contaminated streams in Limpopo, South Africa by silver- or copper-nanoparticle paper filters

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Environmental Science: Water Research & Technology Vol -3

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Environmental Science: Water Research & Technology Vol - 2 Issue - 2

Environmental Science: Water Research & Technology Vol - 2 Issue - 1

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Inside front cover

Contents list

Looking back while moving forward

Research highlights: visible light driven photocatalysis and photoluminescence and their applications in water treatment

Membrane materials for water purification: design, development, and application

Inorganic engineered nanoparticles in drinking water treatment: a critical review

Macromolecule-based platforms for developing tailor-made formulations for scale inhibition

Inactivation of bacteria from contaminated streams in Limpopo, South Africa by silver- or copper-nanoparticle paper filters

Optimisation and costing of faecal sludge management options for Lusaka's informal settlements

Acid–base dynamics in seawater reverse osmosis: experimental evaluation of a reactive transport algorithm

Nitrate removal from water using a nanopaper ion-exchanger

A pilot-scale study of a powdered activated carbon-membrane bioreactor for the treatment of water with a high concentration of ammonia

A quantitative microbial risk assessment of wastewater treatment plant blending: case study in San Francisco Bay

Development and field test of a mobile continuous flow system utilizing Chemcatcher for monitoring of rare earth elements in marine environments

Effect of sewage sludge type on the partitioning behaviour of pharmaceuticals: a meta-analysis

Survey of green building water systems reveals elevated water age and water quality concerns

Silica scale formation and effect of sodium and aluminium ions -²⁹Si NMR study

Microbial fuel cells with an integrated spacer and separate anode and cathode modules

Emerging investigators series: formation of disinfection byproducts during the preparation of tea and coffee

Future sustainable desalination using waste heat: kudos to thermodynamic synergy

Demonstrating organic contaminant removal in an ozone-based water reuse process at full scale

Characterization, fate and transport of floc aggregates in full-scale flocculation tanks

Back cover

Environmental Science: Water Research & Technology Vol -1

Inactivation of bacteria from contaminated streams in Limpopo, South Africa by silver- or copper-nanoparticle paper filters

Content Provider	Royal Society of Chemistry (RSC)
Author	Dillingham, Rebecca Levine, Jonathan S. Smith, James A. Dankovich, Theresa A. Potgieter, Natasha
Copyright Year	2016
Abstract	There is an urgent need for inexpensive point-of-use methods to purify drinking water in developing countries to reduce the incidence of illnesses caused by waterborne pathogens. Previously, our work showed the deactivation of laboratory-cultured bacteria by percolation through a thick paper sheet containing either silver (Ag) or copper (Cu) nanoparticles (NP). In this study, these paper filters containing AgNPs or CuNPs have been tested with water sourced from contaminated streams in Limpopo, South Africa. Following the percolation of the contaminated stream water through the metal nanoparticle (MNP) papers, the water quality of the filtered effluent was evaluated with respect to the colony counts of total coliform and E. coli bacteria, turbidity, and either silver or copper ions. Influent total coliform bacteria concentrations from the stream water in Limpopo ranged from 250 CFU per 100 mL to 1 750 000 CFU per 100 mL. With the less contaminated stream water (250–15 000 CFU per 100 mL), both AgNP and CuNP papers showed complete inactivation of the coliform bacteria. With the surface water with higher coliform bacteria levels (500 000–1 000 000 CFU per 100 mL), both the AgNP and CuNP papers showed similar results with a slightly higher bacteria reduction of log10 5.1 for the AgNP papers than the log10 4.8 reduction for the CuNP papers. E. coli results followed similar trends. For most water purification experiments, the metal release from the sheets was minimal, with values under 0.1 ppm for Ag and 1.0 ppm for Cu (the current US EPA and WHO drinking water limits for Ag and Cu, respectively). These results show good potential for the use of paper embedded with silver and/or copper nanoparticles as effective point-of-use water purifiers.
Starting Page	85
Ending Page	96
Page Count	12
File Format	HTM / HTML PDF
ISSN	20531400
Volume Number	2
Issue Number	1
Journal	Environmental Science: Water Research & Technology
DOI	10.1039/c5ew00188a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	NP MNP EPA Cu Limpopo South Africa US Bacteria Percolation Copper Nanoparticle Coliform bacteria Escherichia coli Turbidity Purifiers
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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Cefsulodin and Vancomycin: A Supplement for Chromogenic Coliform Agar for Detection of Escherichia coli and Coliform Bacteria from Different Water Sources.

Inactivation of enterohemorrhagic Escherichia coli in rumen content- or feces-contaminated drinking water for cattle.

Inactivation of Escherichia coli Using Biogenic Silver Nanoparticles and Ultraviolet (UV) Radiation in Water Disinfection Processes

Preparation and characterisation of silver nanoparticle coated on cellulose paper: evaluation of their potential as antibacterial water filter

Analisis Total Bakteri Coliform Di Perairan Muara Kali Wiso Jepara

Kualitas Air Peternakan Ayam Broiler Ditinjau dari Jumlah Bakteri Coliform dan Escherichia coli (WATER QUALITY IN BROILER CHICKENS FARMS TOWARDS THE NUMBER OF COLIFORM AND ESCHERICHIA COLI BACTERIA)

Precipitation-Driven Anthropogenic Pollutant Fluctuations Within Standing Water Sources of the Edwards Aquifer Region, Texas

Monitoring of total coliform and escherichia coli levels in a second order stream in west-central oklahoma.

Soil: the environmental source of Escherichia coli and Enterococci in Guam's streams

Inactivation of bacteria from contaminated streams in Limpopo, South Africa by silver- or copper-nanoparticle paper filters

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Inactivation of enterohemorrhagic Escherichia coli in rumen content- or feces-contaminated drinking water for cattle.

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