PERFORM Publications

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Title		Authors	PubMed ID
1	Insights into the Toxicity of Triclosan to Green Microalga Chlorococcum sp. Using Synchrotron-Based Fourier Transform Infrared Spectromicroscopy: Biophysiological Analyses and Roles of Environmental Factors.	Xin X, Huang G, An C, Huang C, Weger H, Zhao S, Zhou Y, Rosendahl S	29377676 ENCS
2	Interactive Toxicity of Triclosan and Nano-TiO2 to Green Alga Eremosphaera viridis in Lake Erie: A New Perspective Based on Fourier Transform Infrared Spectromicroscopy and Synchrotron-Based X-ray Fluorescence Imaging.	Xin X, Huang G, An C, Feng R	31322895 ENCS
3	Elemental, isotopic, and spectroscopic assessment of chemical fractionation of dissolved organic matter sampled with a portable reverse osmosis system.	Ouellet A, Catana D, Plouhinec JB, Lucotte M, Gélinas Y	18504986 CHEMBIOCHEM
4	Evaluating the Impact of Neighborhood Characteristics on Differences between Residential and Mobility-Based Exposures to Outdoor Air Pollution.	Fallah-Shorshani M, Hatzopoulou M, Ross NA, Patterson Z, Weichenthal S	30119601 ENCS
5	Differences in Riverine and Pond Water Dissolved Organic Matter Composition and Sources in Canadian High Arctic Watersheds Affected by Active Layer Detachments.	Wang JJ, Lafrenière MJ, Lamoureux SF, Simpson AJ, Gélinas Y, Simpson MJ	29301070 CHEMBIOCHEM
6	Insights into Long-Term Toxicity of Triclosan to Freshwater Green Algae in Lake Erie.	Xin X, Huang G, An C, Raina-Fulton R, Weger H	30673261 CHEMBIOCHEM

Title:	Elemental, isotopic, and spectroscopic assessment of chemical fractionation of dissolved organic matter sampled with a portable reverse osmosis system.
Authors:	Ouellet A, Catana D, Plouhinec JB, Lucotte M, Gélinas Y
Link:	https://www.ncbi.nlm.nih.gov/pubmed/18504986?dopt=Abstract
DOI:	10.1021/es702523w
Publication:	Environmental science & technology
Keywords:
PMID:	18504986	Category:	Environ Sci Technol	Date Added:	2019-06-20
Dept Affiliation:	CHEMBIOCHEM 1 GEOTOP and Department of Chemistry and Biochemistry, Concordia University, 7141 Sherbrooke Street West, Montreal, Quebec, Canada.

Description:

Elemental, isotopic, and spectroscopic assessment of chemical fractionation of dissolved organic matter sampled with a portable reverse osmosis system.

Environ Sci Technol. 2008 Apr 01;42(7):2490-5

Authors: Ouellet A, Catana D, Plouhinec JB, Lucotte M, Gélinas Y

Abstract

Portable reverse osmosis (RO) systems are increasingly being used for isolating dissolved organic matter (DOM) from freshwater aquatic systems because of their high volume processing capacity and high absolute DOM recoveries. However, obtaining complete recoveries implies the rinsing of the reverse osmosis system with a solution of dilute NaOH and combining the rinse solution and the DOM concentrate. Because of the potential chemical alterations that can affect the integrity of the organic pool leached from the RO system at high pHs, this approach is not compatible with studies based on the molecular-level analysis of DOM. The potential for elemental, isotopic, and chemical fractionation was thus evaluated on a series of freshwater DOM samples concentrated in the field with a portable RO system when the concentrate and the rinse solution are not combined. DOC recoveries in the concentrate varied between 81.6 and 88.8%, and total balance calculations showed total recoveries of dissolved and particulate organic carbon ranging between 96.4 and 106.9%. Despite similar delta13C signatures, differences in N content and FTIR-based chemical composition between the concentrate and the rinse DOM solutions suggest some degree of chemical fractionation.

PMID: 18504986 [PubMed - indexed for MEDLINE]

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