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Relevant bibliographies by topics / Initial Biofilm

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Academic literature on the topic 'Initial Biofilm'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Initial Biofilm"

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Dige, I., M. K. Raarup, J. R. Nyengaard, M. Kilian, and B. Nyvad. "Actinomyces naeslundii in initial dental biofilm formation." Microbiology 155, no. 7 (2009): 2116–26. http://dx.doi.org/10.1099/mic.0.027706-0.

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The combined use of confocal laser scanning microscopy (CLSM) and fluorescent in situ hybridization (FISH) offers new opportunities for analysis of the spatial relationships and temporal changes of specific members of the microbiota of intact dental biofilms. The purpose of this study was to analyse the patterns of colonization and population dynamics of Actinomyces naeslundii compared to streptococci and other bacteria during the initial 48 h of biofilm formation in the oral cavity. Biofilms developed on standardized glass slabs mounted in intra-oral appliances worn by ten individuals for 6,

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Mirzaei, Rasoul, Davide Campoccia, Stefano Ravaioli, and Carla Renata Arciola. "Emerging Issues and Initial Insights into Bacterial Biofilms: From Orthopedic Infection to Metabolomics." Antibiotics 13, no. 2 (2024): 184. http://dx.doi.org/10.3390/antibiotics13020184.

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Bacterial biofilms, enigmatic communities of microorganisms enclosed in an extracellular matrix, still represent an open challenge in many clinical contexts, including orthopedics, where biofilm-associated bone and joint infections remain the main cause of implant failure. This study explores the scenario of biofilm infections, with a focus on those related to orthopedic implants, highlighting recently emerged substantial aspects of the pathogenesis and their potential repercussions on the clinic, as well as the progress and gaps that still exist in the diagnostics and management of these infe

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Thormann, Kai M., Renée M. Saville, Soni Shukla, Dale A. Pelletier, and Alfred M. Spormann. "Initial Phases of Biofilm Formation in Shewanella oneidensis MR-1." Journal of Bacteriology 186, no. 23 (2004): 8096–104. http://dx.doi.org/10.1128/jb.186.23.8096-8104.2004.

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ABSTRACT Shewanella oneidensis MR-1 is a facultative Fe(III)- and Mn(IV)-reducing microorganism and serves as a model for studying microbially induced dissolution of Fe or Mn oxide minerals as well as biogeochemical cycles. In soil and sediment environments, S. oneidensis biofilms form on mineral surfaces and are critical for mediating the metabolic interaction between this microbe and insoluble metal oxide phases. In order to develop an understanding of the molecular basis of biofilm formation, we investigated S. oneidensis biofilms developing on glass surfaces in a hydrodynamic flow chamber

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Widyarman, Armelia Sari, Triska Ramajayanti, and Citra Fragrantia Theodorea. "Indonesian Strain of Lactobacillus reuteri Probiotic Reduces the Initial Biofilm Colonization." Open Dentistry Journal 14, no. 1 (2020): 544–53. http://dx.doi.org/10.2174/1874210602014010544.

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Background: The benefits of probiotics for human health have long been proven. Probiotic Lactobacillus reuteri, can produce a beneficial broad-spectrum antibacterial compound called reuterin by metabolizing glycerol. Objective: The aim of the study was to investigate the effect of the Indonesian strain of L. reuteri LC382415 on mono- and dual-species Streptococcus mutans and Streptococcus sanguinis biofilms in vitro. Methods: Streptococcus mutans and S. sanguinis were cultured in BHI broth. Lactobacillus reuteri LC382415 was inoculated on MRS agar. The different concentrations effect of L. reu

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Mat Jalil, Mohd Taufiq, and Darah Ibrahim. "Fungal Extract of Lasiodiplodia pseudotheobromae IBRL OS-64 Inhibits the Growth of Skin Pathogenic Bacterium and Attenuates Biofilms of Methicillin-Resistant Staphylococcus aureus." Malaysian Journal of Medical Sciences 28, no. 4 (2021): 24–36. http://dx.doi.org/10.21315/mjms2021.28.4.4.

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Background: The emergence of multidrug-resistant pathogens associated with biofilm formation can cause life-threatening infections to humans. Therefore, the present study aims to evaluate the effects of the fungal extract of Lasiodiplodia pseudotheobromae (L. pseudotheobromae) Industrial Biotechnology Research Laboratory (IBRL) OS-64 on bacterial cells and the biofilm formation of methicillin-resistant Staphylococcus aureus (MRSA). Methods: Broth microdilution and semi-quantitative adherence assays were conducted to determine the anti-biofilm activity of the fungal extract. Light and scanning

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Gomes, Inês B., Madalena Lemos, Susana Fernandes, Anabela Borges, Lúcia C. Simões, and Manuel Simões. "The Effects of Chemical and Mechanical Stresses on Bacillus cereus and Pseudomonas fluorescens Single- and Dual-Species Biofilm Removal." Microorganisms 9, no. 6 (2021): 1174. http://dx.doi.org/10.3390/microorganisms9061174.

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Biofilm control is mainly based on chemical disinfection, without a clear understanding of the role of the biocides and process conditions on biofilm removal. This study aims to understand the effects of a biocide (benzyldimethyldodecyl ammonium chloride—BDMDAC) and mechanical treatment (an increase of shear stress -τw) on single- and dual-species biofilms formed by Bacillus cereus and Pseudomonas fluorescens on high-density polyethene (HDPE). BDMDAC effects were initially assessed on bacterial physicochemical properties and initial adhesion ability. Then, mature biofilms were formed on a rota

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Fysun, Olga, Alen Maher, Holger Brehm, Bernd Wilke, and Horst Christian Langowski. "Monitoring of Biofilm Development on Surfaces Using an Electrochemical Method." Solid State Phenomena 262 (August 2017): 492–95. http://dx.doi.org/10.4028/www.scientific.net/ssp.262.492.

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Bioleaching is the extraction of metals from ore by microorganisms. Initial attachment and formation of biofilm by microorganisms are very important for the bioleaching due to the mineral oxidation processes. However, very few techniques were proposed to monitor initial stage of biofilms in real time. Therefore, the aim of this work was to probe an electrochemical method on the bacterial biofilm model under the laboratory conditions. It was found that electrochemical method can be suggested for the real time detection of initial phase of P. polymyxa biofilm formation by observation of the pote

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Ayush, Purevdash Tsend, Je-Hyeon Ko, and Hyun-Suk Oh. "Characteristics of Initial Attachment and Biofilm Formation of Pseudomonas aeruginosa on Microplastic Surfaces." Applied Sciences 12, no. 10 (2022): 5245. http://dx.doi.org/10.3390/app12105245.

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The toxic effect of microplastics on living organisms is emerging as a serious environmental issue nowadays. The biofilm formed on their surface by microorganisms can further increase the toxicity, but the mechanism of biofilm formation on microplastics is not yet fully understood because of the complexities of other factors. This study aimed to identify the factors with an important influence on biofilm formation on microplastic surfaces. The microtiter plate assay was used to evaluate the biofilms formed by Pseudomonas aeruginosa PAO1, a model microorganism, on four types of microplastics, i

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Ma, Guoxiang, Yu Ding, Qingping Wu, et al. "Yersinia enterocolitica-Derived Outer Membrane Vesicles Inhibit Initial Stage of Biofilm Formation." Microorganisms 10, no. 12 (2022): 2357. http://dx.doi.org/10.3390/microorganisms10122357.

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Yersinia enterocolitica (Y. enterocolitica) is an important food-borne and zoonotic pathogen. It can form biofilm on the surface of food, increasing the risk to food safety. Generally, outer membrane vesicles (OMVs) are spherical nanostructures secreted by Gram-negative bacteria during growth. They play a role in biological processes because they contain biologically active molecules. Several studies have reported that OMVs secreted by various bacteria are associated with the formation of biofilms. However, the interactions between Y. enterocolitica OMVs and biofilm are unknown. This study aim

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Kay, Walker, Connor Hunt, Lisa Nehring, Brian Barnum, Nicholas Ashton, and Dustin Williams. "Biofilm Growth on Simulated Fracture Fixation Plates Using a Customized CDC Biofilm Reactor for a Sheep Model of Biofilm-Related Infection." Microorganisms 10, no. 4 (2022): 759. http://dx.doi.org/10.3390/microorganisms10040759.

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Most animal models of infection utilize planktonic bacteria as initial inocula. However, this may not accurately mimic scenarios where bacteria in the biofilm phenotype contaminate a site at the point of injury. We developed a modified CDC biofilm reactor in which biofilms can be grown on the surface of simulated fracture fixation plates. Multiple reactor runs were performed and demonstrated that monomicrobial biofilms of a clinical strain of methicillin-resistant Staphylococcus aureus, S. aureus ATCC 6538, and Pseudomonas aeruginosa ATCC 27853 consistently developed on fixation plates. We als

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Dissertations / Theses on the topic "Initial Biofilm"

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Andras, Eva. "Initial biofilm formation of acetoclastic methanogenic bacteria." Thesis, University of Ottawa (Canada), 1988. http://hdl.handle.net/10393/5060.

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Reich, Marco [Verfasser], and Klaus [Akademischer Betreuer] Kümmerer. "The Fatty Acid Profile of the Initial Oral Biofilm: Characterization and Modification / Marco Reich. Betreuer: Klaus Kümmerer." Lüneburg : Universitätsbibliothek der Leuphana Universität Lüneburg, 2016. http://d-nb.info/1089005113/34.

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Sharma, Lohit sharma. "Initial Attachment of Pseudomonas Aeruginosa on Modified Polycardonal Coatings." University of Toledo / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1470427782.

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Delgadillo, Maricela. "Study of the effect of mechanical stiffness substrata, assembled with polyelectrolyte multilayer thin films, on biofilm forming staphylococcus epidermidis' initial adhesion mechanism." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43212.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2008.<br>Includes bibliographical references (p. 35).<br>Polyelectrolyte multilayer thin films are polymer films assembled through a layer-by-layer sequential addition of oppositely charged polymers. The layer-by-layer film assembly technique allows for properties such as film thickness, chemical functionality, and elastic moduli to be easily altered by changing the pH in solution, or the number of bilayers added. This thesis examined the use of polyelectrolyte multilayer films, assembled with pol

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Senechal, Annie. "Initial stages of adhesion of enterococcus faecalis responsible for biofilm formation on medical devices : quantification of bacterial adhesion and measurement of cell-surface interaction forces." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80142.

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The presence of a microbial biofilm on medical implants and devices remains a serious clinical problem since it can increase the risk of infection. To prevent biofilm formation, it is important to study the initial stages of bacterial adhesion. The aim of this study was to compare the initial interactions of the uropathogen Enterococcus faecalis with different medical grade polymers. To accomplish this, kinetics of E. faecalis adhesion were followed using a DNA quantification assay. The influence of biomaterial surface properties, including surface wettability and roughness, was investigated.

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Florian, Bianca [Verfasser], Wolfgang [Akademischer Betreuer] Sand, and Hans-Curt [Akademischer Betreuer] Flemming. "Investigation of initial attachment and biofilm formation of mesophilic leaching bacteria in pure and mixed cultures and their efficiency of pyrite dissolution / Bianca Michaela Florian. Gutachter: Hans-Curt Flemming. Betreuer: Wolfgang Sand." Duisburg, 2012. http://d-nb.info/1023643790/34.

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Kensche, Anna, Jasmin Kirsch, Sophia Mintert, et al. "Impact of customary fuoride rinsing solutions on the pellicle’s protective properties and bioadhesion in situ." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-232194.

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This study investigated the impact of customary fluoride based mouthrinses on the ultrastructure and the functional properties of the in situ pellicle, considering the prevention of erosion (8 volunteers) and initial biofilm formation (12 volunteers). Bovine enamel slabs were carried intraorally. After 1 min of pellicle formation, the subjects rinsed with elmex Kariesschutz (A), Dontodent Med Care (B), meridol (C) or elmex Zahnschmelzschutz Professional (D) for 1 min. In situ pellicle formation was continued up to 30 min/8 h before processing the slabs in vitro. Erosion was simulated by incuba

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Caserta, Raquel 1982. "Expressão, caracterização e purificação de adesinas envolvidas na formação do biofilme de Xylella fastidiosa." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316425.

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Orientador: Alessandra Alves de Souza<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-12T18:36:53Z (GMT). No. of bitstreams: 1 Caserta_Raquel_M.pdf: 8932792 bytes, checksum: 642a7e654340f17e79b37b6fa4a560cc (MD5) Previous issue date: 2008<br>Resumo: É inquestionável a importância da participação da citricultura na economia brasileira. O Brasil é o maior exportador de suco concentrado do mundo. Em 2007 as exportações brasileiras quase alcançaram 400 milhões de caixas de laranja, retrato de uma cultura que gera uma div

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Kensche, Anna, Jasmin Kirsch, Sophia Mintert, et al. "Impact of customary fuoride rinsing solutions on the pellicle’s protective properties and bioadhesion in situ." Nature Publishing Group, 2017. https://tud.qucosa.de/id/qucosa%3A30729.

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This study investigated the impact of customary fluoride based mouthrinses on the ultrastructure and the functional properties of the in situ pellicle, considering the prevention of erosion (8 volunteers) and initial biofilm formation (12 volunteers). Bovine enamel slabs were carried intraorally. After 1 min of pellicle formation, the subjects rinsed with elmex Kariesschutz (A), Dontodent Med Care (B), meridol (C) or elmex Zahnschmelzschutz Professional (D) for 1 min. In situ pellicle formation was continued up to 30 min/8 h before processing the slabs in vitro. Erosion was simulated by incuba

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Tawakoli, Pune Nina [Verfasser], and Christian [Akademischer Betreuer] Hannig. "Vergleich verschiedener Vitalfärbeverfahren zur Detektion und Quantifizierung adhärenter Mikroorganismen im initialen oralen Biofilm." Freiburg : Universität, 2011. http://d-nb.info/1123459398/34.

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Books on the topic "Initial Biofilm"

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T, Vandergraaf T., Atomic Energy of Canada Limited., Whiteshell Laboratories. Geochemistry Research Branch., and Canadian Nuclear Fuel Waste Management Program., eds. The effect of biofilms on radionuclide transport in the geosphere: Results from an initial investigation. Whiteshell Laboratories, 1997.

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Book chapters on the topic "Initial Biofilm"

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"Biofilm Formation and Persistence in Food Industries: Perspectives on Emerging Control Strategies." In Prospective Research and Technological Advancements in Food and Health Sciences. Skyfox Publishing Group, 2023. http://dx.doi.org/10.22573/spg.023.978-93-90357-07-9/2.

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Microbial biofilms are complex, self-organized communities of microbes enclosed within an extracellular polymeric substances (EPS) matrix. They are ubiquitous in nature and can form on various surfaces, including those found in the food industries, such as processing equipment and food contact surfaces. Bacterial biofilm formation and growth in the food industries might be a source of food spoilage, jeopardizing food safety and its shelf-life. This review will emphasize conditions that bacteria frequently encounter in the food industry, particularly in biofilm initial attachment and developmen

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Reissier, Sophie, Malo Penven, Charlotte Michaux, and Vincent Cattoir. "Virulence Determinants of Enterococcus Faecium." In Infectious Diseases. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.114397.

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Enterococcus faecium, a member of the human gut microbiota, has emerged as a notable opportunistic pathogen, contributing to a diverse range of hospital-acquired infections. Its capacity to thrive in various anatomical sites and initiate infections is attributed to an elaborate suite of virulence determinants. Prominent among these are cell surface components and pili structures, which facilitate initial adhesion and subsequent biofilm formation. Additionally, temperature-regulated gene expression augments virulence by enhancing adherence and biofilm formation. E. faecium also employs sophisti

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Gottenbos, Bart, Henny C. van der Mei, and Henk J. Busscher. "[38] Models for studying initial adhesion and surface growth in biofilm formation on surfaces." In Biofilms. Elsevier, 1999. http://dx.doi.org/10.1016/s0076-6879(99)10040-5.

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Amano, Atsuo, Ichiro Nakagawa, and Shigeyuki Hamada. "[36] Studying initial phase of biofilm formation: Molecular interaction of host proteins and bacterial surface components." In Biofilms. Elsevier, 1999. http://dx.doi.org/10.1016/s0076-6879(99)10038-7.

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Koontongkaew, Sittichai, Kusumawadee Utispan, Darren Dhananthat Chawhuaveang, Ollie Yiru Yu, and Rattapong Worawongvasu. "Enamel and Its Interaction with the Oral Environment." In Enamel and Dentin-Pulp Complex [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.114839.

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Enamel, comprised of hydroxyapatite (HAP) units forming crystallites and rods, constitutes the structure of teeth. HAP is represented by the stoichiometric formula Ca10(PO4)6(OH)2. However, biological HAP, found in enamel, deviates from this stoichiometry due to deficiencies in Ca2+, PO43–, and OH–, and contamination with CO32– and HPO42–, and trace elements within their lattice. Its integrity is influenced by saliva, oral bacteria, fluoride from oral care products, and dietary acids. Salivary glycoproteins form an acquired salivary pellicle on enamel, while oral microorganisms create dental b

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Carlos Caicedo, Juan, and Sonia Villamizar. "Acidithiobacillus Its Application in Biomining Using a Quorum Sensing Modulation Approach." In Acidophiles - Fundamentals and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98774.

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A group of particular acidophiles microorganisms (bacteria and archaea) known as chemolithoautotrophs are capable of using minerals as fuel. Its oxidation generates electrons to obtain energy and carbon that is obtained by fixing CO2 from the air. During this aerobic mineral oxidation, metals are solubilized or biodegraded. Metal bioleaching usually is used in biomining and urban biomining approaches to recovery metals such as copper, gold and zinc. Several species of bacterial genus Acidithiobacillus display a great bioleaching activity. Bacterial attachment and biofilm formation are the init

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Upadhyay, Aditya, Divya Sharma, and Awanish Kumar. "Drug Repurposing as an Effective Solution to Control Salmonella Biofilm Infection." In Salmonella Biofilms. Royal Society of Chemistry, 2025. https://doi.org/10.1039/9781837677047-00189.

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Salmonella biofilm infections continue to pose a problem in both clinical and environmental settings, necessitating novel treatment options. Traditional antibiotics frequently fail to eliminate biofilms owing to their intrinsic resistance mechanisms, resulting in persistent infections and major public health consequences. Drug repurposing, or the use of existing drugs for new therapeutic objectives, is a viable answer to this problem. This strategy takes advantage of current drugs’ known safety profiles and pharmacokinetic features to speed up the discovery of effective anti-biofilm therapy. R

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Ehlinger, F., J. M. Audic, and G. M. Faup. "INFLUENCE OF SEEDING CONDITIONS ON INITIAL BIOFILM DEVELOPMENT DURING THE STARTUP OF ANAEROBIC FLUIDIZED BED REACTORS." In Water Pollution Research and Control Brighton. Elsevier, 1988. http://dx.doi.org/10.1016/b978-1-4832-8439-2.50019-5.

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"Applied Physiology of the Parotid Gland." In Diagnostic Techniques and Therapeutic Strategies for Parotid Gland Disorders. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5603-0.ch004.

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The major function of salivary glands is the production of saliva, which performs many functions including lubrication of the food bolus, maintaining the oral cavity pH within 6 to 7, maintaining teeth integrity, fighting bacteria, aiding taste and digestion, and providing a continuous lavaging biofilm for the oral cavity. Saliva is actively produced in high volumes relative to the mass of the salivary glands and is almost completely controlled extrinsically by both parasympathetic and sympathetic divisions of the autonomic nervous system. Some researchers used bilateral tympanic neurectomy fo

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Parthasarathy, Dr Revathy, Dr Yashini Thanikachalam, Dr Yashini Thanikachalam, Dr Kalaiarasi Murugesan, and Dr Srividhya Srinivasan. "WHITE SPOT LESION – A REVIEW." In Emerging Trends in Oral Health Sciences and Dentistry. Technoarete Publishers, 2022. http://dx.doi.org/10.36647/etohsd/2022.01.b1.ch029.

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Modern dentistry aims at preserving the tooth structure in a non- invasive manner. The transition from G V black’s “extension for prevention” to minimal intervention methods paved path for diagnosis of caries during the initial stages of demineralization. Initial caries lesion otherwise called as “white spot lesion” is a subsurface enamel demineralization occurring on the smooth surface of the teeth. “White spot lesion” – coined by FEJERSKOV et al. as – “the first sign of carious lesion that is visible to naked eye”. The white or chalky appearance of the white spot lesion is due to the differe

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Conference papers on the topic "Initial Biofilm"

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Broussard, Zach, Timothy J. Tidwell, Renato De Paula, and Victor Keasler. "Determining Biocide Selection and Dosage Recommendation via Planktonic and Sessile Kill Studies and Subsequent Biofilm Regrowth: a Case Study." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09802.

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Abstract A three-phase production system in the North Sea was experiencing multiple leaks in the topside separation facilities. A root cause analysis, using a combination of ATP photometry and DNA-based techniques, was performed and the underlying source responsible for the failures was determined to be microbially influenced corrosion. To control the microbial contamination in the system, an initial planktonic kill study was performed to select the best possible biocides to provide immediate microbial mitigation to the field. Upon implementation, resulting field data indicated effective initi

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Lee, W., Z. Lewandowski, S. Okabe, W. G. Characklis, and Recep Avci. "Corrosion of Mild Steel underneath Aerobic Biofilms Containing Sulfate-reducing Bacteria." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92190.

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Abstract Microbial biofilias containing sulfate-reducing bacteria (SRB) were grown in a continuous channel reactor at low bulk oxygen concentration. During the experiment, material balances (soluble organic carbon) in the bulk water were used to indicate total microbial activity. Dissolved oxygen microelectrode measurement was used to characterize oxygen penetration through the biofilms. Biofilm accumulation was evaluated by Most Probable Number for SRB and general anaerobic bacteria, and by agar plate counts for heterotrophic bacteria. Corrosion measurements included AC impedance, and cathodi

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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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Haile, Tesfaalem, Patrick Teevens, Zhenjin Zhu, Sina Fardisi, and Nima Tajallipour. "The Application of XDLVO Theory in Modeling Sulfate Reducing Bacteria (SRB) Adhesion on Collector Surfaces: Insight into the Initial Events of Biofilm Adhesion." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02181.

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Abstract In this paper, the application of Extended Derjaguin, Landau, Verwey, Overbeek (XDLVO) theory to elucidate the initial events in sulfate reducing bacteria (SRB) adhesion to various collector surfaces leading to biofilm formation was studied. Desulfovibrio (D.) desulfuricans, D. singaporenus, and Marine SRB isolates were used as model bacteria, with stainless steel (SS) and Aluminum 1100 as collector surfaces. The interaction between SRB, and FeS2, Fe2O3, and Al2O3 was also investigated to determine the effect of scales in biofilm formation. The adhesion energy between D. desulfuricans

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Broussard, Zach, Timothy J. Tidwell, Renato De Paula, and Victor Keasler. "Evaluation of a Microbial Population Shift Due to a High Concentration Biocide Treatment." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11616.

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Abstract An oil transmission pipeline in the Eagle Ford area was being treated with 150ppm of active biocide based on a five percent water hold up but good control of the microbial population was not being maintained based on cATP data obtained from swabbing coupons within the system. Based on field data and recommendations, 3750ppm of active biocide was chosen to replace the incumbent biocide treatment and a sessile kill study was requested to validate the treatment plan before being implemented in the field. Subsequent sessile kill studies and biofilm regrowth studies indicated that an initi

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Tanji, Yasunori, Hirofumi Kawai, Ryosuke Terashi, and Kazuhiko Miyanaga. "Effect of Cathodic Protection on Biofilm Formation and Maturation." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07513.

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Abstract Cathodic protection (CP) is known as a reliable method to protect steel from corrosion. However, the influence of CP on biofilm formation and maturation is not well known. There are three possible effects of CP on biofilm formation and maturation. Those are: 1) deprivation of anchorage sites for bacterial adhesion, 2) increase of electrostatic repulsion between the steel surface and negatively charged bacteria, 3) elimination of bacteria in the biofilm by increasing pH. To investigate these possible effects of CP on biofilm, carbon steel coupons were immersed in artificial seawater wi

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Brown, Damon C., Shawna Johnston, Pat Teevens, and Raymond J. Turner. "Relationship between Planktonic and Sessile Cells as They Relate to Biofilm Growth." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07571.

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Abstract Microbially influenced corrosion (MIC) is a process whereby microbial cells living in an exopolymer matrix, known as a biofilm, induce corrosion of the associated surface. The risk of MIC within a system is usually assessed by measuring planktonic (free-floating) cells, which is assumed to approximate the biofilm-associated cells (sessile) cells. This work aimed to determine the accuracy of this industry-practiced approach of assessing MIC risk from planktonic cell counts. Planktonic and sessile cell counts of two single species cultures, one of an aerobe (Pseudomonas fluorescens) and

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Videla, H. A., S. G. Gómez de Saravia, M. F. L. de Mele, G. Hernandez, and W. Hartt. "The Influence of Microbial Biofilms on Cathodic Protection at Different Temperatures." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93298.

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Abstract The effect of cathodic protection on Vibrio alginolyticus biofilms formed on stainless steel samples, was studied at different temperatures (6C, 12C and 20C). Bacterial settlement and reproduction was reduced by cathodic protection in the initial stages of biofilm formation. However, this effect was less relevant when the steady state of growth was reached. A reduction in the number of sessile cells was observed at low temperatures (6C, 12C). The analysis of current density vs. contact time curves suggests that the formation of calcareous deposits is modified by organic adsorption and

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Prasad, Rupi. "Selection of Corrosion Inhibitors to Control Microbiologically Influenced Corrosion." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98276.

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Abstract Microbiologically Influenced Corrosion (MIC) is a serious problem. The establishment of a biofilm on a metal surface plays a critical role in MIC. Quaternary amines have been reported to inhibit the bacterial adhesion to the metal surface. However, most of the quaternary amines are quite toxic. In light of growing concerns of environmental impact and safety, a series of experiments was conducted to evaluate various corrosion inhibitors for their inhibition capability of bacterial adhesion as well as bacterial kill. The results indicate that some inhibitors are capable of inhibiting bi

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Diler, Erwan, Nicolas Larché, and Dominique Thierry. "Carbon Steel and Stainless-steel Cathodic Protection Design Data in Deepsea Water - Influence of the Environment on the Biofilm Cathodic Activity." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13124.

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Abstract In natural seawater, many parameters might influence the cathodic protection current demand such as potential, temperature, dissolved oxygen content, biofilm and fouling activity, and calcareous deposit formation. The actual deepsea environment cannot be easily reproduced at laboratory scale. In this study, the influence of the depth on the cathodic protection criteria of carbon steel and stainless steel was investigated in intermediary (1020 m depth) and deep water (2020 m) at the same location. For this purpose, at set of corrosion and environmental sensors, as well as metallic coup

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Reports on the topic "Initial Biofilm"

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Sridhar, Yang, and Song. 4VRVLN6 Effects of Solids and Biofilms on Dewpoint and Corrosion in Pipelines. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0011265.

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Internal corrosion occurs where water or other corrosive electrolyte accumulates. This is the principle used in Internal Corrosion Direct Assessment (ICDA). Although ICDA focuses on nominally dry gas with episodes of water upset, the well accepted criteria for dry gas (e.g., water less than 7 lb/MMCF) may be significantly influenced by the presence of bacterial biofilms and hygroscopic solids, such as iron oxide corrosion products and some salts. Therefore, understanding the changes in dew point induced by the presence of these compounds is necessary to better quantify gas quality requirements

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Brandl, Maria T., Shlomo Sela, Craig T. Parker, and Victor Rodov. Salmonella enterica Interactions with Fresh Produce. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7592642.bard.

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The emergence of food-borne illness outbreaks linked to the contamination of fruits and vegetables is a great concern in industrialized countries. The current lack of control measures and effective sanitization methods prompt the need for new strategies to reduce contamination of produce. Our ability to assess the risk associated with produce contamination and to devise innovative control strategies depends on the identification of critical determinants that affect the growth and the persistence of human pathogens on plants. Salmonella enterica, a common causal agent of illness linked to produ

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Hutchinson, M. L., J. E. L. Corry, and R. H. Madden. A review of the impact of food processing on antimicrobial-resistant bacteria in secondary processed meats and meat products. Food Standards Agency, 2020. http://dx.doi.org/10.46756/sci.fsa.bxn990.

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For meat and meat products, secondary processes are those that relate to the downstream of the primary chilling of carcasses. Secondary processes include maturation chilling, deboning, portioning, mincing and other operations such as thermal processing (cooking) that create fresh meat, meat preparations and ready-to-eat meat products. This review systematically identified and summarised information relating to antimicrobial resistance (AMR) during the manufacture of secondary processed meatand meat products (SPMMP). Systematic searching of eight literature databases was undertaken and the resu

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