Minna M Keinänen-Toivola

Minna M Keinänen-Toivola
Satakunta University of Applied Sciences

PhD (Environmental Sciences)

About

49
Publications
7,409
Reads
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1,244
Citations
Additional affiliations
April 2012 - June 2016
Satakunta University of Applied Sciences
Position
  • Project Manager
November 2005 - August 2013
Prizztech Ltd.
Position
  • consultant; senior consultant; research manager
Description
  • Consultant 1.11.2005-31.12.2006; Senior consultant 1.1.2007-31.1.2011; Research manager 1.2.2011-31.8.2013 (10.4.2012-1.9.2013 20%).
November 2004 - October 2005
United States Environmental Protection Agency
Position
  • Post doctoral researcher, ASLA Fulbright scholar

Publications

Publications (49)
Article
Full-text available
This research provides an overview of the process and results of the development and implementation of the Port Activity Application. The aim of the application is to improve the coordination and information exchange mechanisms between the existing systems of ports and ships during piloting ordering process to ensure their effective interoperabilit...
Article
Full-text available
Nitrite in drinking water is a potentially harmful substance for humans, and controlling nitrite formation in drinking water distribution systems (DWDSs) is highly important. The effect of natural organic matter (NOM) on the formation of nitrite in simulated distribution systems was studied. The objective was to inspect how a reduced NOM concentrat...
Article
Full-text available
This article presents a comparative study of the urban water and energy sectors in the coastal city of Walvis Bay in Namibia, where the rapid urbanization places pressure on public infrastructure development. A multidata approach is used to study the ability of the energy and water sectors to adapt to this pressure. Theoretically, the analysis is g...
Research
Full-text available
This report is a market analysis, which aims to provide basic information of the Southern African Development Community’s (SADC) business environment. The report is prepared in accordance with the Central Baltic project SME Aisle (duration 1.3.2018–31.8.2021) project and its core themes, which include shipbuilding, maritime and logistics, renewable...
Article
Full-text available
We studied the seasonal variation of nitrite exposure in a drinking water distribution system (DWDS) with monochloramine disinfection in the Helsinki Metropolitan Area. In Finland, tap water is the main source of drinking water, and thus the nitrite in tap water increases nitrite exposure. Our data included both the obligatory monitoring and a samp...
Technical Report
Full-text available
NAMURBAN was a research project on urban development using Namibia as a pilot country. It brought Finnish and Namibian partners together to meet the local needs in Namibia as well as research, technology and capacity building. The NAMURBAN project included the sustainable technological concept of urban environments in developing countries. The coa...
Article
Full-text available
Recognized issues with poor hand hygiene compliance among healthcare workers, and reports of re-contamination of previously chemically disinfected surfaces through hand contact, emphasize need for novel hygiene methods in addition to those currently available. One such approach involves antimicrobial (nano)-coatings (AMC), whereby integrated active...
Article
The spread of infections in health care environments is a persistent and growing problem in most countries, aggravated by the development of microbial resistance to antibiotics and disinfectants. In addition to indwelling medical devices (implants, catheters, etc.), such infections may also result from adhesion of microbes either to external solid-...
Article
Aims: To study stability of biofilms and water quality in pilot scale drinking water copper and PEX pipes in changing conditions (extra disinfection, magnetic water treatment MWT). Methods and results: Next-generation sequencing (NGS) of 16S ribosomal RNA genes (rDNA) to describe total bacterial community and ribosomal RNA (rRNA) to describe act...
Article
Full-text available
Worldwide, millions of patients are affected annually by healthcare-associated infection (HCAI), impacting up to 80,000 patients in European Hospitals on any given day. This represents not only public health risk, but also an economic burden. Complementing routine hand hygiene practices, cleaning and disinfection, antimicrobial coatings hold promis...
Article
Full-text available
Infections and infectious diseases are considered a major challenge to human health in healthcare units worldwide. This opinion paper was initiated by EU COST Action network AMiCI (AntiMicrobial Coating Innovations) and focuses on scientific information essential for weighing the risks and benefits of antimicrobial surfaces in healthcare settings....
Article
Significance and impact of the study: The efficiency of copper as an antimicrobial material has been noted in laboratory studies and in the hospital environment. The present study further shows that copper exerted an antibacterial effect in different facilities, i.e. in a hospital, a kindergarten, an office building and in a retirement home for th...
Article
Aims: Next-generation sequencing of 16S ribosomal RNA genes (rDNA) and ribosomal RNA (rRNA) was used to characterize water and biofilm microbiome collected from a drinking water distribution system of an office building after its first year of operation. Methods and results: The total bacterial community (rDNA) and active bacterial members (rRNA...
Article
Complex interactions existing between water distribution systems' materials and water can cause a reduction in water quality and unwanted changes in materials, aging or corrosion of materials and formation of biofilms on surfaces. Substances leaching from pipe materials and water fittings, as well as the microbiological quality of water and formati...
Article
Full-text available
Electronic faucets (types E1 and E2) and manual (M) faucets were studied for microbial quality, i.e., biomass and pathogenic microbes of biofilms in the faucet aerator, the water, and the outer surface of faucet in a hospital in Finland. Heterotrophic plate count content reflecting culturable microbial biomass and adenosine triphosphate content rep...
Conference Paper
The continuous measurements of water pressure and temperature and multivariate methods are applied in researching of building water network, especially water hammer phenomenon. Measured data used in this study was collected continuously in an office building located in Rauma, Western Finland, during seven days long period. Parameters measured were...
Conference Paper
World widely, demand for clean and safe potable water consumption is continuously increasing. However, there is a lack of clean potable water in several countries, as the quality of raw water is poor or there is lack of raw water. New legislation is under preparation in EU-level to diminish the used water and energy. Because of that, there is a nee...
Article
Organic peat soils have been extensively drained and used for agricultural, horticultural and energy purposes. The management practices of organic soils accelerate decomposition processes resulting generally in loss of carbon. Microbes are the key players in soil carbon cycling. We studied the effects of cultivation of a perennial bioenergy plant (...
Conference Paper
This paper summarizes the different aspects that play major roles in the function of pipe materials in drinking water distributions systems. World widely, there are different water qualities and different materials used in drinking water pipe systems. Different materials with different properties used in water distribution systems consist of metals...
Article
The microbiological quality of drinking water is assessed using culture-based methods that are highly selective and that tend to underestimate the densities and diversity of microbial populations inhabiting distribution systems. In order to better understand the effect of different disinfection treatments on the bacteria in water distribution syste...
Article
Two Finnish agricultural soils (peat soil and loamy sand) were exposed to four freeze-thaw cycles (FTC), with a temperature change from −17.3±0.4 °C to +4.1±0.4 °C. Control cores from both soils were kept at constant temperature (+6.6±2.0 °C) without FTCs. Soil N2O and CO2 emissions were monitored during soil thawing, and the effects of FTCs on soi...
Article
Full-text available
Recent phylogenetic studies have used DNA as the target molecule for the development of environmental 16S rRNA gene clone libraries. As DNA may persist in the environment, DNA-based libraries cannot be used to identify metabolically active bacteria in water systems. In this study, an annular reactor was used to generate model drinking water biofilm...
Article
Field-growing silver birch (Betula pendula Roth) clones (clone 4 and 80) were exposed to elevated CO2 and O3 in open-top chambers for three consecutive growing seasons (1999–2001). At the beginning of the OTC experiment, all trees were 7 years old. We studied the single and interaction effects of CO2 and O3 on silver birch below-ground carbon pools...
Article
We assessed the effects of ambient solar ultraviolet (UV) radiation on below-ground parameters in an arctic heath in north-eastern Greenland. We hypothesized that the current UV fluxes would reduce root biomass and mycorrhizal colonization and that these changes would lead to lower soil microbial biomass and altered microbial community composition....
Article
We studied the changes in water quality and formation of biofilms occurring in a pilot-scale water distribution system with two generally used pipe materials: copper and plastic (polyethylene, PE). The formation of biofilms with time was analysed as the number of total bacteria, heterotrophic plate counts and the concentration of ATP in biofilms. A...
Article
Traditional techniques to study microbes, such as culturable counts, microbial biomass, or microbial activity, do not give information on the microbial ecology of drinking water systems. The aim of this study was to analyze whether the microbial community structure and biomass differed in biofilms collected from two Finnish drinking water distribut...
Article
Phospholipid (PL), glycolipid (GL), and neutral lipid (NL) FA, and the lipopolysaccharide 2- and 3-hydroxy (LPS 2-OH and 3-OH) FA of activated sludges and extracted extracellular polymeric substances (EPS) were determined on samples collected from two wastewater treatment plants. EPS extracted from sludges by means of sonication and cation exchange...
Article
Full-text available
The effects of plasterboard composition on Streptomyces californicus growth and bioactivity of spores were studied. Streptomyces californicus was grown on 13 modified plasterboards under saturated humidity conditions. The total content of fatty acid methyl esters was used for quantifying S. californicus biomass, while the spore-induced cytotoxicity...
Article
The development of microbial communities in biofilms of a drinking water distribution system was monitored, and compared to the microbial communities in water. The microbial communities were studied by phospholipid fatty acid (PLFA) profiles. In drinking water samples the most common PLFAs, with the proportion of 60.9%, were monoenoic fatty acids,...
Article
Hydroxy fatty acids (OH-FAs) can be used in the characterization of microbial communities, especially Gram-negative bacteria. We prepared methyl esters of 2- and 3-OH-FAs from the lipid extraction residue of soil, sediment, and biofilm samples without further purification or derivatization of hydroxyl groups. OH-FA methyl esters were analyzed using...
Article
Full-text available
Microbial communities in biofilms grown for 4 and 11 weeks under the flow of drinking water supplemented with 0, 1, 2, and 5 μg of phosphorus liter−1 and in drinking and warm waters were compared by using phospholipid fatty acids (PLFAs) and lipopolysaccharide 3-hydroxy fatty acids (LPS 3-OH-FAs). Phosphate increased the proportion of PLFAs 16:1ω7c...
Article
Full-text available
Fecal contamination of drinking, recreational, and industrial waters is a worldwide issue that causes economic and public health problems. This paper evaluates a previously developed microbial source tracking method to identify the source of fecal contamination in Finland, using human and bovine-specific protocols. The specificity and precision of...

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Projects

Projects (4)
Archived project
AMICI brings together stakeholders from different countries and disciplines, including knowledge institutes, producers and processors of antimicrobial coatings, and organizations involved in the compliance with international standards on hygiene. The central aim is to evaluate the impact of (introducing) AMC in healthcare on the spread of infections and on the efficacy in fighting HCAI and bacterial resistance to current antibiotics. http://www.cost.eu/COST_Actions/ca/CA15114
Project
To evaluate the impact of (introducing) AntiMicrobial Coatings in healthcare on the spread of infections and on the efficacy in fighting HealthCare Associated Infections and bacterial resistance to current antibiotics. AMiCI secondary objectives: This Action will coordinate international and cross sectoral research efforts, by a variety of activities such as collaborating with existing projects, organizing new events, jointly developing and implementing working groups, so that forces can be joined in combatting AMR. This Action will stimulate collaboration between industry and research institutes using available knowledge, and disclose state of- the- art nanotechnology and biotechnology knowledge, to industrial partners. This will lead to more effective AMC and successful new market applications. More to be found on project website: www.amici-consortium.eu