Jim Avik Ghoshdastidar

Jim Avik Ghoshdastidar
Ryerson University · Department of Chemistry and Biology

PhD (Chemistry)

About

16
Publications
3,049
Reads
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277
Citations
Additional affiliations
September 2012 - present
McGill University
Position
  • Research Assistant
Description
  • -Development of inorganic mercury speciation techniques using APCI-MS and CVAFS -Second harmonic generation femosecond laser spectroscopy of mercury surfaces
September 2009 - present
Acadia University
Position
  • Research Assistant
Description
  • - Treatment of Organophosphorous Insecticides and Phenoxyacetic acid Herbicides using Membrane Bioreactor technology - The Detection and Occurence of Pharmaceuticals in Wastewater in the Annapolis and Cornwallis River Watersheds
September 2008 - April 2009
Queen's University
Position
  • Research Assistant
Description
  • Design and Characterization of Poly(methyloctyl siloxane) Coated Long Period Grating Optical Fibre Sensors and Poly(methylphenyl siloxane) Films
Education
September 2012 - May 2016
McGill University
Field of study
  • Chemistry
September 2009 - May 2012
Acadia University
Field of study
  • Chemistry
September 2004 - June 2008
Queen's University
Field of study
  • Mathematics

Publications

Publications (16)
Article
Full-text available
Mercury is an important global toxic contaminant of concern that causes cognitive and neuromuscular damage in humans. It is ubiquitous in the environment and can travel in the air, in water, or adsorb to soils, snow, ice and sediment. Two significant factors that influence the fate of atmospheric mercury, its introduction to aquatic and terrestrial...
Article
The phase of oxidized mercury is critical in the fate, transformation, and bioavailability of mercury species in Earth’s ecosystem. There is now evidence that what is measured as gaseous oxidized mercury (GOM) is not only gaseous but also consists of airborne nanoparticles with distinct physicochemical properties. Herein, we present the development...
Article
Measurement of oxidized mercury, Hg(II), in the atmosphere poses a significant analytical challenge as Hg(II) is present at ultra-trace concentrations (picograms per cubic meter air). Current technologies are sufficiently sensitive to measure the total Hg present as Hg(II), but cannot determine the chemical speciation of Hg(II). We detail here the...
Article
From a list of the top prescribed drugs in Canada, 11 pharmaceuticals and two metabolites were selected for study in municipal sewage treatment plant effluents and receiving waters. Wastewater samples were collected from 16 wastewater treatment plants across Southwest Nova Scotia including the Annapolis Valley, South Shore, and Metropolitan Halifax...
Article
Phenoxyacetic and benzoic acid herbicides are widely used agricultural, commercial, and domestic pesticides. As a result of high water solubility, mobility, and persistence, 2,4-dichlorophenoxyacetic acid (2,4-D), methylchlorophenoxypropionic acid (mecoprop), and 3,6-dichloro-2-methoxybenzoic acid (dicamba) have been detected in surface and waste w...
Article
The authors would like to call the reader’s attention to the fact that, unfortunately, there was an unintentional oversight regarding the funding information in this manuscript; please find the correct information below.
Article
Full-text available
The post-secondary education system in the Province de Québec is quite different from that in the rest of Canada and in many other countries throughout the world. The introduction of a 2-year Collèges d’enseignement général et professionnel (CEGEP) program in 1967 has led to a reduction in the number of years that Quebec students have to spend in b...
Article
Full-text available
This study serves as a baseline characterization of indoor and outdoor air quality in a remote northern indigenous community prior to the start of a major nearby mining operation, including measurements of nanoparticles, which has never been performed in this context before. We performed aerosol sample collection and real-time aerosol measurements...
Poster
Full-text available
For two hours a day, four days a week, the Royal Victoria College Dining Hall transforms into an integrated hub of active learning for first year McGill science students. FRezCa or the “First Year Residence Cafeteria” Help Centre has become a one-stop shop for students to get homework and exam help in introductory physics, general chemistry, biolog...
Article
The widespread use of energy efficient mercury containing lamps and impending regulations on the control of mercury emissions has necessitated the development of green mercury control technologies such as nano sorbent capture and electrolysis regeneration. Herein we describe a two-step green technique to remove and recycle mercury from spent compac...
Conference Paper
Full-text available
McGill’s “Chem 110 & 120 – General Chemistry I/II” are two catch-all, required courses for science and engineering students with enrolments typically 1000 students and greater. Students come in with a range of chemistry backgrounds and while required for continuation in chemistry, for many students they are terminal courses. Marks for the lecture c...
Poster
Full-text available
A global concern because of its potential for long range transport and toxicity, atmospheric mercury is loosely defined as gaseous elemental mercury (GEM), reactive gaseous Hg2+ mercury species (RGM) and particulate mercury (Hgp) with the chemical speciation of RGM long recognized as unknown. Elemental and inorganic mercury are typically measured i...
Article
Compost leachate forms during the composting process of organic material. It is rich in oxidizable organics, ammonia and metals, which pose a risk to the environment if released without proper treatment. An innovative method based on the membrane bioreactor (MBR) technology was developed to treat compost leachate over 39 days. Water quality paramet...
Poster
Full-text available
Organophosphate (OP) insecticides and phenoxyacetic acid (PA) herbicides are among the most widely used chemical classes of pesticides worldwide. These pesticides can cause adverse health effects in humans and aquatic organisms, and some are considered endocrine disrupting chemicals. Human exposure to these pesticides can occur through ingestion of...
Article
Five pesticide formulations registered for use in Canada containing organophosphate-insecticide active ingredients azinphos-methyl, chlorpyrifos, diazinon, malathion and phorate were subjected to treatment by membrane bioreactor (MBR) technology. The target active ingredients were introduced to the MBR at ppm level concentrations. The biodegradatio...
Article
Pharmaceuticals are designed to have physiological effects on target organisms. Their presence and effect in aquatic ecosystems in the Annapolis Valley in Nova Scotia is relatively unknown. Over-the-counter (OTC) and prescription drugs are continually introduced to aquatic ecosystems through treated sewage effluent outflows into rivers and other bo...

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