Academic literature on the topic 'Biocidal activities'

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Journal articles on the topic "Biocidal activities"

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Ercken, D., L. Verelst, P. Declerck, L. Duvivier, A. Van Damme, and F. Ollevier. "Effects of peracetic acid and monochloramine on the inactivation of Naegleria lovaniensis." Water Science and Technology 47, no. 3 (2003): 167–71. http://dx.doi.org/10.2166/wst.2003.0190.

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Biocidal activities of monochloramine and peracetic acid were studied on cysts of Naegleria lovaniensis. Until recently the most commonly used biocide to disinfect cooling water systems was hypochlorite. Owing to its negative impact on the aquatic environment, ecologically less harmful alternatives have been sought. As the biocidal activity of monochloramine and peracetic acid makes them good candidates for inactivation of pathogenic Naegleria species, these biocides were tested against Naegleria lovaniensis, a relative of the pathogen Naegleria fowleri, as an alternative treatment to hypochlo
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Thorn, R. M. S., G. M. Robinson, and D. M. Reynolds. "Comparative Antimicrobial Activities of Aerosolized Sodium Hypochlorite, Chlorine Dioxide, and Electrochemically Activated Solutions Evaluated Using a Novel Standardized Assay." Antimicrobial Agents and Chemotherapy 57, no. 5 (2013): 2216–25. http://dx.doi.org/10.1128/aac.02589-12.

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ABSTRACTThe main aim of this study was to develop a standardized experimental assay to enable differential antimicrobial comparisons of test biocidal aerosols. This study represents the first chlorine-matched comparative assessment of the antimicrobial activities of aerosolized sodium hypochlorite, chlorine dioxide, and electrochemically activated solution (ECAS) to determine their relative abilities to decontaminate various surface-associated health care-relevant microbial challenges. Standard microbiological challenges were developed by surface-associating typedPseudomonas aeruginosa,Staphyl
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Süer, N. Ceren, Ceren Demir, Nihan A. Ünübol, Özlem Yalçın, Tanıl Kocagöz, and Tarik Eren. "Antimicrobial activities of phosphonium containing polynorbornenes." RSC Advances 6, no. 89 (2016): 86151–57. http://dx.doi.org/10.1039/c6ra15545f.

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Gabbay, Jeffrey, Gadi Borkow, Joseph Mishal, Eli Magen, Richard Zatcoff, and Yonat Shemer-Avni. "Copper Oxide Impregnated Textiles with Potent Biocidal Activities." Journal of Industrial Textiles 35, no. 4 (2006): 323–35. http://dx.doi.org/10.1177/1528083706060785.

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MOCANU, Anca Mihaela, Mariana DIACONU, and Laura BULGARIU. "Estimation of biocidal activity of some imidazoline derivatives by using pathogenic bacterial and yeast strains." Revue Roumaine de Chimie 65, no. 10 (2021): 893–98. http://dx.doi.org/10.33224/rrch.2020.65.10.04.

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The present study is aimed to estimate the biocidal activity of some imidazoline derivatives with potential biological activities such as cardiovascular, analgesic, vasodilating, anti-bacterial, anti-fungal, herbicidal and plant growth regulatory properties The newly obtained compounds were studied for their biocidal activities on two pathogenic bacterial species (Escherichia coli and Staphylococcus aureus) and also on an yeast strain (Candida albicans), in vitro, when their efficiency was estimated by means of the submerged cultivation method and the biomass determination. The compounds under
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Rugnini, Lorenza, Giada Migliore, Flavia Tasso, Neil Thomas William Ellwood, Anna Rosa Sprocati, and Laura Bruno. "Biocidal Activity of Phyto-Derivative Products Used on Phototrophic Biofilms Growing on Stone Surfaces of the Domus Aurea in Rome (Italy)." Applied Sciences 10, no. 18 (2020): 6584. http://dx.doi.org/10.3390/app10186584.

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Hypogean or enclosed monuments are important cultural heritage sites that can suffer biodegradation. Many of the stone walls of the prestigious Domus Aurea are overwhelmed by dense biofilms and so need intervention. Room 93 was chosen as a study site with the aim to test the efficacy of phyto-derivatives as new biocides. Laboratory studies were performed comparing the effects of liquorice leaf extract (Glycyrrhiza glabra L.), lavender essential oil (Lavandula angustifolia Mill.) and a combination of both. In situ studies were also performed to test the effect of liquorice. The results were com
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Li, Jie, Teng Xi, Biao Yan, Mingyan Yang, Jirong Song, and Haixia Ma. "Two Cu(ii) complexes of triadimefon: crystal structure, antifungal activities and structure–activity relationship." New Journal of Chemistry 39, no. 9 (2015): 6997–7003. http://dx.doi.org/10.1039/c5nj00679a.

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Lee, Hyun-Ju, and Yong-Jae Chung. "Antifungal, Antibacterial, and Interference Effects of Plant-Extracted Essential Oils Used for Mural Conservation at Buyeo Royal Tomb No. 1." Applied Sciences 13, no. 6 (2023): 3645. http://dx.doi.org/10.3390/app13063645.

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Although subterranean tombs are largely protected from the external environment, the colonization of microorganisms threatens their conservation. Conventional biocides have negative effects on the environment, human health, and the sensitive materials in ancient tombs, especially painted murals. Therefore, we tested the biocidal effects of 11 plant-extracted essential oils (EOs) against two fungal strains and four bacterial strains isolated from Buyeo Royal Tomb No. 1, a World Heritage Site in South Korea. Oregano, clove bud, thyme, and cinnamon cassia EOs showed the highest antifungal and ant
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Gideon, A.Shallangwa, Musa Haliru, and Ogbe Elizabeth. "Design and Synthesis of New Series of One Pot Schiff Bases of 4-AminobenzenesulfonAmideas Potent Antibacterial and Anti-Fungal Agents." Journal of Progressive Research in Chemistry 1, no. 1 (2015): 14–21. https://doi.org/10.5281/zenodo.3970062.

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Schiff bases are imines formed by the condensation of a primary amine and a carbonyl compound. These classes of compounds are very important due to their wide range of biological activities and industrial applications. In this study, some Schiff bases (coded GAS1-5) were synthesized by condensation of 4–Aminobenzenesulfonamide and some selected carbonyl molecules via MW irradiation for 1 minute at 385 watt power; and were characterized by FT-IR and elemental analyses. These Schiff bases were then evaluated for their bactericidal effects against two Gram positive and two Gram negative bac
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Zgura, Irina, Nicoleta Preda, Monica Enculescu, et al. "Cytotoxicity, Antioxidant, Antibacterial, and Photocatalytic Activities of ZnO–CdS Powders." Materials 13, no. 1 (2020): 182. http://dx.doi.org/10.3390/ma13010182.

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In this work, ZnO–CdS composite powders synthesized by a simple chemical precipitation method were thoroughly characterized. The morphological, structural, compositional, photocatalytical, and biological properties of the prepared composites were investigated in comparison with those of the pristine components and correlated with the CdS concentration. ZnO–CdS composites contain flower-like structures, their size being tuned by the CdS amount added during the chemical synthesis. The photocatalytic activity of the composites was analyzed under UV irradiation using powders impregnated with methy
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Dissertations / Theses on the topic "Biocidal activities"

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Sarkar, Antara. "Synthesis, characterization and biocidal activities of the derivatives of steroids and pentacyclic triterpenoids." Thesis, University of North Bengal, 2015. http://hdl.handle.net/123456789/1550.

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Book chapters on the topic "Biocidal activities"

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Rathore, Bharat Raj Singh, Bhawani Shankar Parmar, Narendra Singh Chundawat, and Narendra Pal Singh Chauhan. "8. Antimicrobial activities of plastics and elastomers." In Biocidal Polymers, edited by Narendra Pal Singh Chauhan. De Gruyter, 2019. http://dx.doi.org/10.1515/9783110639131-008.

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Chundawat, Narendra Singh, Girdhar Pal Singh, and Narendra Pal Singh Chauhan. "10. Antimicrobial activities of N-halaminebased polymers." In Biocidal Polymers, edited by Narendra Pal Singh Chauhan. De Gruyter, 2019. http://dx.doi.org/10.1515/9783110639131-010.

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Blum, Murray S. "Biocidal and Deterrent Activities of Nitrogen Heterocycles Produced by Venomous Myrmicine Ants." In ACS Symposium Series. American Chemical Society, 1988. http://dx.doi.org/10.1021/bk-1988-0380.ch030.

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Caldeira, Ana Teresa. "Green Mitigation Strategy for Cultural Heritage Using Bacterial Biocides." In Microorganisms in the Deterioration and Preservation of Cultural Heritage. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69411-1_6.

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AbstractThe microbiota present in cultural heritage objects, made by diverse inorganic and organic materials and inserted into particular environment, represents a complex and dynamic ecosystem composed by bacteria, cyanobacteria, fungi, algae and lichens, which can induce decay by biological mechanisms. To control the microbial growth several methods are being applied such as mechanical and physical processes and chemical biocides. However, these methods have several weaknesses like be dangerous to handle, material incompatibility or produce environmental and health hazards. Therefore, the id
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Céspedes, Carlos L., Julio Alarcón, J. Guillermo Ávila, and Isao Kubo. "Antioxidant and Biocide Activities of Selected Mexican and Chilean Plants." In ACS Symposium Series. American Chemical Society, 2008. http://dx.doi.org/10.1021/bk-2008-0993.ch025.

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Chauhan, Narendra Pal Singh, Nirmala Kumari Jangid, and Priya Juneja. "Biocidal Activities: Antifouling and Antibacterial Membranes." In Encyclopedia of Biomedical Polymers and Polymeric Biomaterials. Taylor & Francis, 2016. http://dx.doi.org/10.1081/e-ebpp-120049908.

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Khanikor, Bulbuli, Kamal Adhikari, and Bikash Rabha. "Citrus Essential Oils: A Suite of Insecticidal Compounds." In Citrus [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95887.

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Citrus essential oils (CEOs) and their constituent compounds are being reported to have multifarious activities. In this chapter an attempt is made to discuss the insecticidal activities, as well as CEO profile of different vegetative part of Citrus species and biocidal potentiality of their constituent compounds against diverse insect pests. It is observed that in most of the CEO constituent profile, limonene is the major constituent compound. Other important constituents present in different percentages in different CEOs are β-citronellal, linalool, pinene, β- caryophyllene, β-myrcene, terpi
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Magot, Michel. "Biodétérioration des matériaux." In Biodétérioration des matériaux. EDP Sciences, 1998. https://doi.org/10.3917/edp.lemai.1998.01.0145.

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Résumé Les biocides constituent une gamme variée de produits antibactériens utilisés dans l’industrie pour lutter contre les contaminations microbiennes. Dans ce texte, les principaux termes définissant l’activité de ces produits sont rappelés, et des exemples de techniques permettant de mesurer leurs activités bactériostatiques et bactéricides sont donnés.
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Conference papers on the topic "Biocidal activities"

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Kotu, Susmitha Purnima, Christopher Kagarise, Richard B. Eckert, and Torben Lund Skovhus. "Laboratory Investigation of Biocide Treated Waters to Inhibit Bofilm Growth and Reduce the Potential for MIC." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16209.

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Abstract Introducing water into pipelines for various applications, such as hydrotesting, long term layup, hydraulic fracturing, water injection, and other production related activities poses the threat of microbiologically influenced corrosion (MIC) when conditions are favorable. The focus of this paper is to outline a test method to evaluate the potential for MIC with untreated waters and subsequently assess the effectiveness of biocides to inhibit biofilm growth and mitigate MIC. The changes in the microbial activity, abundance, and diversity in the biofilm along with pitting and general co
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Jenneman, Gary E. "A Novel Method for the Enhanced Kill of Sulfate Reducing Microorganisms." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14412.

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Abstract Hydrogen sulfide gas produced by sulfate reducing microorganisms (SRM) creates significant challenges in the petroleum industry including corrosion concerns, product devaluation, and significant health risks. Biocides and inhibitors are often employed to control these detrimental activities. Recently, co-injection of a synergistic blend of biocides and the SRM inhibitor, nitrite, was proposed as an effective means to control biogenic sulfide production, however, the method only addressed inhibition of SRM activity and not kill. Inhibition can have the undesirable consequence of allowi
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Licina, George J., and George Nekoksa. "The Influence of Water Chemistry and Biocide Additions on the Response of an On-line Biofilm Monitor." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95527.

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Abstract Microbiologically influenced corrosion (MIC) is a significant cause of degradation of piping and heat transfer surfaces in cooling water systems. The interaction between the metabolic processes of microorganisms attached to metallic surfaces and corrosion processes can lead to localized corrosion and rapid penetration of piping and heat exchanger tubes. On-line Monitoring of biofilm formation on Metallic Surfaces is a key both for automatic control equipment and for system operators so that mitigation activities can be initiated well before the structural integrity of piping or compon
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Fallon, Hugh, and George J. Licina. "Plant Experience with Dosing Optimisation of an Environmentally Friendly Biocide." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04086.

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Abstract Initial experience with an environmentally friendly biocide at a brackish water-cooled power plant showed that the biocide was very effective in controlling microbiological fouling of piping and condenser tubes. Subsequent activities demonstrated that the biocide could be used more economically by closely tracking the biocide's effectiveness on biofilm activity using an electrochemical biofilm activity monitor.
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Walter, Richard W., and Lisa M. Cooke. "2-(Decylthio)ethanamine Hydrochloride: a New Multifunctional Biocide Which Enhances Corrosion Inhibition." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97410.

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Abstract 2-(Decylthio)ethanamine hydrochloride is a new multifunctional biocide that is registered for use in a variety of recirculating cooling water systems. This biocide has broad spectrum activity against bacteria, fungi and algae. It also has biofilm and corrosion inhibition properties. Data on these various activities will be presented for both laboratory and field evaluations.
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Morris, E. Alan, David M. Dziewulski, Daniel H. Pope, and Scott T. Paakkonen. "Field and Laboratory Studies into the Detection and Treatment of Microbiologically Influenced Souring (MIS) in Natural Gas Storage Facilities." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94271.

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Abstract Microbiologically influenced souring (MIS) is the production of hydrogen sulfide (H2S) through the metabolic activities of microorganisms1-3. There is better potential for mitigating MIS in some downhole environments using biocides if the problem is detected early in the souring process. However, if the H2S producing community is allowed to spread into subsurface regions which are less accessible to biocides (profuse-stage MIS), the problem becomes less mitigable by conventional means. Attempts to mitigate profuse-stage MIS in a gas storage field are reported in this paper. A diagnost
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Elboujdaini, M., and V. S. Sastri. "Field Studies of Microbiological Corrosion in Water Injection Plant." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95213.

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Abstract Electrochemical impedance, weight loss and potentiodyne techniques were used to determine the corrosion rates of carbon steel along with the determination of activities of both sulphate-reducing bacteria (SRB) and acid-producing bacteria (APB) in a water injection field test facility. Corrosion rates determined by the potentiodyne technique did not correlate with the bacterial activity. Corrosion rates obtained by electrochemical impedance spectroscopy (EIS) were comparable to the rates obtained by weight loss measurements. The average corrosion rates obtained by EIS paralleled the cu
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Licina, George J., and Curtis S. Carney. "Monitoring Biofilm Formation and Incipient MIC in Real Time." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99175.

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Abstract Microbiologically Influenced corrosion (MIC) and microbiological fouling of piping and heat exchanger materials is a common and often costly problem in industrial cooling water and process water systems. MIC failures have caused expensive unplanned outages, the need for local repairs, and, in some cases, complete system replacement. The control of biofilm on surfaces has been shown to be the most effective tool for mitigating MIC as well as for maintaining heat transfer in heat exchangers. The most common method for control of microbiological fouling is the use of oxidizing biocides.
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Willmon, Jeffrey. "Sub-Sea SCR/Flowline Preservation - Maintenance of Fill Fluids During the Thunder Horse Sub-Sea Kit Re-Installation Campaign." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10403.

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Abstract This paper will summarize the activities undertaken by the Thunder Horse Sub-sea Team in the maintenance of the hydrotest-fill fluids for the sub-sea production flow-line/equipment from initial fill until start-up. Discussed will be: The initial fill of the Thunder Horse sub-sea system with chemically treated water and how this treatment aligned with BP and MMS/EPA requirements.The position that the project team took as related to the continued effectiveness of the chemically treated fill fluids, particularly with respect to the degradation of the biocide product (THPS) and its abilit
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Dias, O. C., and M. C. Bromel. "Case History of Microbially Induced Organic Acid Underdeposit Attack in a Gas Pipeline." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89194.

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Abstract A detailed investigation was conducted into a leaking undersea carbon steel gas pipeline. Attack was confined to low areas where water had accumulated. Metallurgical, biological and chemical analyses showed that pitting, which occurred under deposits, was caused by organic acids generated by bacteria. We have concluded that the metabolic activities of anaerobic sporeformers (Clostridia and Butyribacteria) produced these acids. The pitting mechanism is defined and illustrated. Laboratory biocide testing showed both alkyl amine carboxylic acid and metronidizole to be very effective at l
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Reports on the topic "Biocidal activities"

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Paterek, J. Robert. L51963 Environmental Benign Mitigation of Microbiologically Influenced Corrosion (MIC). Pipeline Research Council International, Inc. (PRCI), 2002. http://dx.doi.org/10.55274/r0011299.

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The objective is to develop and evaluate environmental benign agents or products that are effective in the prevention, inhibition, and mitigation of microbially influenced corrosion (MIC) on the internal surfaces of metallic natural gas pipelines. The goal is one or more products that can be applied to maintain the structure and dependability of the natural gas infrastructure. The technical approach for this year has been to evaluate a number of methods to fractionate and concentrate the components found in the pepper extracts. The separation methods considered include size exclusion chromatog
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