Vlad Isakov
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View article: Sourceland of terrigenous material during the formation of aquatic deposits of the Keltmin burial canyon (based on the study of chromespinelides)
Sourceland of terrigenous material during the formation of aquatic deposits of the Keltmin burial canyon (based on the study of chromespinelides) Open
The typomorphic features and chemical composition of chromespinelides from the Quaternary aquatic sediments of the Keltmin Buried Canyon in the southeastern Komi Republic have been studied for the first time. It has been established that t…
View article: Does personalization in exposure assessment change ambient air pollution exposure-response relationships? A panel study
Does personalization in exposure assessment change ambient air pollution exposure-response relationships? A panel study Open
Accurate exposure assessment is crucial to understand linkages between ambient air pollution and cardiopulmonary disease. Air quality monitors (AQM) are widely used, but do not account for personal behaviors. We compare the exposure-respon…
View article: Formation of Holocene sediments in the lower reach of the Chernaya River (northwest of the Bolshezemelskaya tundra)
Formation of Holocene sediments in the lower reach of the Chernaya River (northwest of the Bolshezemelskaya tundra) Open
The facies dissection of Holocene deposits in the estuary part of the Chernaya River (northwest of the Bolshezemelskaya tundra) was carried out. A geomorphological scheme of the river valley was constructed on the basis of the results of l…
View article: Cardiopulmonary effects of short-term ambient PM2.5 exposure: central air quality monitor data versus personal exposure models
Cardiopulmonary effects of short-term ambient PM2.5 exposure: central air quality monitor data versus personal exposure models Open
View article: Air pollution benefits from reduced on-road activity due to COVID-19 in the United States
Air pollution benefits from reduced on-road activity due to COVID-19 in the United States Open
On-road transportation is one of the largest contributors to air pollution in the United States. The COVID-19 pandemic provided the unintended experiment of reduced on-road emissions’ impacts on air pollution due to lockdowns across the Un…
View article: Air pollution benefits from reduced on-road activity due to COVID-19 in the United States
Air pollution benefits from reduced on-road activity due to COVID-19 in the United States Open
On-road transportation is one of the largest contributors to air pollution in the United States. The COVID-19 pandemic provided the unintended experiment of reduced on-road emissions’ impacts on air pollution due to lockdowns across the Un…
View article: Geological and geomorphological zoning of the Seyda river basin (east of the Bolshezemelskaya tundra) based on the ArcticDEM digital elevation model
Geological and geomorphological zoning of the Seyda river basin (east of the Bolshezemelskaya tundra) based on the ArcticDEM digital elevation model Open
The Bolshezemelskaya tundra is one of the least studied and poorly mapped territories of the European North-East of Russia. The availability of the ArcticDEM digital elevation model with a high spatial resolution allowed conducting a compr…
View article: Integrating Time-Activity and Air Sensors into Smartphone-based PM2.5 and Ozone Exposure Model for Epidemiologic Studies
Integrating Time-Activity and Air Sensors into Smartphone-based PM2.5 and Ozone Exposure Model for Epidemiologic Studies Open
BACKGROUND AND AIM: Epidemiologic studies of fine particulate matter (PM2.5) and ozone (O3) often use outdoor concentrations as exposure surrogates, which can induce measurement error. The goal of this study was to improve PM2.5 and O3 exp…
View article: Specific pollutants in urban wastewater and their impact on the environment
Specific pollutants in urban wastewater and their impact on the environment Open
This paper substantiates the relevance of a study to assess environmental pollution with specific pollutants. It has been established that wastewater treatment plants, which play a key role in the protection of natural water bodies, are “h…
View article: Integrating Personal Air Sensor and GPS to Determine Microenvironment-Specific Exposures to Volatile Organic Compounds
Integrating Personal Air Sensor and GPS to Determine Microenvironment-Specific Exposures to Volatile Organic Compounds Open
Personal exposure to volatile organic compounds (VOCs) from indoor sources including consumer products is an understudied public health concern. To develop and evaluate methods for monitoring personal VOC exposures, we performed a pilot st…
View article: Improving emissions inputs via mobile measurements to estimate fine-scale Black Carbon monthly concentrations through geostatistical space-time data fusion
Improving emissions inputs via mobile measurements to estimate fine-scale Black Carbon monthly concentrations through geostatistical space-time data fusion Open
View article: Technological process automation of drinking water deodoration using the methods of machine learning
Technological process automation of drinking water deodoration using the methods of machine learning Open
The study presents an analysis and the possibility of applying machine learning methods to automate the technological process of drinking water deodorization. One of the most actual and popular machine learning methods today is the use of …
View article: Effect of geocoding errors on traffic-related air pollutant exposure and concentration estimates
Effect of geocoding errors on traffic-related air pollutant exposure and concentration estimates Open
Exposure to traffic-related air pollutants is highest very near roads, and thus exposure estimates are sensitive to positional errors. This study evaluates positional and PM2.5 concentration errors that result from the use of automated geo…
View article: Creating Locally-Resolved Mobile-Source Emissions Inputs for Air Quality Modeling in Support of an Exposure Study in Detroit, Michigan, USA
Creating Locally-Resolved Mobile-Source Emissions Inputs for Air Quality Modeling in Support of an Exposure Study in Detroit, Michigan, USA Open
This work describes a methodology for modeling the impact of traffic-generated air pollutants in an urban area. This methodology presented here utilizes road network geometry, traffic volume, temporal allocation factors, fleet mixes, and e…
View article: Comparison of Highly Resolved Model-Based Exposure Metrics for Traffic-Related Air Pollutants to Support Environmental Health Studies
Comparison of Highly Resolved Model-Based Exposure Metrics for Traffic-Related Air Pollutants to Support Environmental Health Studies Open
Human exposure to air pollution in many studies is represented by ambient concentrations from space-time kriging of observed values. Space-time kriging techniques based on a limited number of ambient monitors may fail to capture the concen…
View article: A Method for Estimating Urban Background Concentrations in Support of Hybrid Air Pollution Modeling for Environmental Health Studies
A Method for Estimating Urban Background Concentrations in Support of Hybrid Air Pollution Modeling for Environmental Health Studies Open
Exposure studies rely on detailed characterization of air quality, either from sparsely located routine ambient monitors or from central monitoring sites that may lack spatial representativeness. Alternatively, some studies use models of v…
View article: Air Quality Modeling in Support of the Near-Road Exposures and Effects of Urban Air Pollutants Study (NEXUS)
Air Quality Modeling in Support of the Near-Road Exposures and Effects of Urban Air Pollutants Study (NEXUS) Open
A major challenge in traffic-related air pollution exposure studies is the lack of information regarding pollutant exposure characterization. Air quality modeling can provide spatially and temporally varying exposure estimates for examinin…
View article: Migration of antibiotics in natural aquatic environment
Migration of antibiotics in natural aquatic environment Open
The article is devoted to the analysis of available information about the migration of antibiotics in natural aquatic environment. Realizing the mechanism of drug release into the environment and into the aquatic environment will further d…
View article: Modeling of Residential Indoor Concentrations of Ambient PM2.5, Ozone for the Catheterization Genetics (CATHGEN) Study
Modeling of Residential Indoor Concentrations of Ambient PM2.5, Ozone for the Catheterization Genetics (CATHGEN) Study Open
Air pollution epidemiological studies of ambient fine particulate matter (PM2.5) and ozone (O3) often use outdoor concentrations from central-site monitors as exposure surrogates, which can add bias or uncertainty in health effect estimate…
View article: Energy Efficiency of a Small Bioreactor in Various Climatic Zones
Energy Efficiency of a Small Bioreactor in Various Climatic Zones Open
The authors proposed a model for estimating the heat balance and energy efficiency of a bioreactor that makes possible for a small-sized reactor operating on a relatively low-energy substrate to determine the critical volume, under which t…
View article: The experience of laboratory flotation equipment for treating wastes from dairy
The experience of laboratory flotation equipment for treating wastes from dairy Open
This article presents the test results of the laboratory flotation equipment LFM-001 for the treatment of model wastewater simulating sewage dairy production. To simulate effluents, 200 ml of goat milk was mixed with 4800 ml of tap water, …
View article: Classification of antibiotics contained in urban wastewater
Classification of antibiotics contained in urban wastewater Open
The article is devoted to the study of available information about identification of groups of antibiotics in urban wastewater. At the same time, results of research conducted in Tunisia, Spain, the United States, China and other countries…
View article: Methods for detection of antibiotics in urban wastewater
Methods for detection of antibiotics in urban wastewater Open
This review provides analysis of existing methods for detection antibiotics in wastewater. Special attention is paid to the classification of methods for the detection of antibiotics and the possibility of these methods during antibiotics …
View article: A web-based screening tool for near-port air quality assessments
A web-based screening tool for near-port air quality assessments Open
Author(s): Isakov, Vlad; Barzyk, Timothy M; Smith, Elizabeth R; Arunachalam, Saravanan; Naess, Brian; Venkatram, Akula
View article: Enhancing the local air quality benefits of roadside green infrastructure using low-cost, impermeable, solid structures (LISS)
Enhancing the local air quality benefits of roadside green infrastructure using low-cost, impermeable, solid structures (LISS) Open
View article: Identifying air pollution source impacts in urban communities using mobile monitoring
Identifying air pollution source impacts in urban communities using mobile monitoring Open
View article: Fine-Scale Modeling of Individual Exposures to Ambient PM2.5, EC, NOx, and CO for the Coronary Artery Disease and Environmental Exposure (CADEE) Study
Fine-Scale Modeling of Individual Exposures to Ambient PM2.5, EC, NOx, and CO for the Coronary Artery Disease and Environmental Exposure (CADEE) Study Open
Air pollution epidemiological studies often use outdoor concentrations from central-site monitors as exposure surrogates, which can induce measurement error. The goal of this study was to improve exposure assessments of ambient fine partic…
View article: α-factor experimental determination of aeration system in aeration tanks
α-factor experimental determination of aeration system in aeration tanks Open
The article is dedicated to determine the α-factor of aeration systems in case of changing the wastewater treatment line (transfer of aeration tanks to the nitri-denitrifier aeration mode). The studies were performed on an experimental ins…
View article: Denitrification rates determination in the process of removing nitrogen from wastewater
Denitrification rates determination in the process of removing nitrogen from wastewater Open
The purpose of the study was to determine denitrification rates during aeration tanks converting to the aero-mode of the nitri-denitrifier with the nitrate recycling. Studies were conducted on an experimental facility with wastewater and a…
View article: Combining Dispersion Modeling and Monitoring Data for Community-Scale Air Quality Characterization
Combining Dispersion Modeling and Monitoring Data for Community-Scale Air Quality Characterization Open
Spatially and temporally resolved air quality characterization is critical for community-scale exposure studies and for developing future air quality mitigation strategies. Monitoring-based assessments can characterize local air quality wh…