keyword
MENU ▼
Read by QxMD icon Read
search

bacterial corrosion

keyword
https://www.readbyqxmd.com/read/29729630/reduction-of-bacterial-biofilm-formation-using-marine-natural-antimicrobial-peptides
#1
K Doiron, L Beaulieu, R St-Louis, K Lemarchand
There is an important need for the development of new "environmentally-friendly" antifouling molecules to replace toxic chemicals actually used to fight against marine biofouling. Marine biomass is a promising source of non-toxic antifouling products such as natural antimicrobial peptides produced by marine organisms. The aim of this study was to demonstrate the efficiency of antimicrobial peptides extracted from snow crab (SCAMPs) to reduce the formation of marine biofilms on immerged mild steel surfaces...
April 27, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29709241/in-vitro-and-in-vivo-studies-of-anti-bacterial-copper-bearing-titanium-alloy-for-dental-application
#2
Rui Liu, Yulong Tang, Lilan Zeng, Ying Zhao, Zheng Ma, Ziqing Sun, Liangbi Xiang, Ling Ren, Ke Yang
OBJECTIVE: A novel copper-bearing titanium alloy (Ti-Cu) was fabricated for dental application that is expected to efficiently restrain the growth of bacteria and discourage biofilm formation. The aim of this study was to investigate both the antibacterial activity and biofilm inhibition of Ti-Cu alloy in vitro, and the antibacterial effect of Ti-Cu implant in early stage of peri-implantitis in vivo. METHODS: Staphylococcus aureus and Escherichia coli were selected to evaluate the antibacterial activity of Ti-Cu alloy and Ti served as control...
April 27, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29691456/subsurface-endospore-forming-bacteria-possess-bio-sealant-properties
#3
Sreenivasulu Basha, Lakshman Kumar Lingamgunta, Jayakumar Kannali, Swarna Kumari Gajula, Ramesh Bandikari, Sreenivasulu Dasari, Veena Dalavai, Paramageetham Chinthala, Prasada Babu Gundala, Peera Kutagolla, Vinodh Kumar Balaji
Concrete is a strong and fairly inexpensive building substance, but has several disadvantages like cracking that allows corrosion, thus reducing its lifespan. To mitigate these complications, long-lasting microbial self-healing cement is an alternative that is eco-friendly and also actively repairs cracks. The present paper describes the detailed experimental investigation on compressive strength of cement mortars, mixed with six alkaliphilic bacteria, isolated from subsurface mica mines of high alkalinity...
April 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29671810/bacteriophage-applications-for-food-production-and-processing
#4
REVIEW
Zachary D Moye, Joelle Woolston, Alexander Sulakvelidze
Foodborne illnesses remain a major cause of hospitalization and death worldwide despite many advances in food sanitation techniques and pathogen surveillance. Traditional antimicrobial methods, such as pasteurization, high pressure processing, irradiation, and chemical disinfectants are capable of reducing microbial populations in foods to varying degrees, but they also have considerable drawbacks, such as a large initial investment, potential damage to processing equipment due to their corrosive nature, and a deleterious impact on organoleptic qualities (and possibly the nutritional value) of foods...
April 19, 2018: Viruses
https://www.readbyqxmd.com/read/29551382/electrochemical-behavior-of-titanium-exposed-to-a-biofilm-supplemented-with-different-sucrose-concentrations
#5
João Gabriel Silva Souza, Thamara Beline, Adaias Oliveira Matos, Bárbara Emanoele Costa Oliveira, Antônio Pedro Ricomini-Filho, Valentim Adelino Ricardo Barão
STATEMENT OF PROBLEM: Biofilms can reduce the corrosion resistance of titanium because of the bacterial metabolism of fermentable carbohydrates, including sucrose. However, studies evaluating whether biofilms exposed to higher sucrose concentrations can affect the electrochemical behavior of titanium are lacking. PURPOSE: The purpose of this in vitro study was to test the electrochemical behavior of titanium previously exposed to biofilm supplemented with different sucrose concentrations...
March 15, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29509686/the-role-of-oral-cavity-biofilm-on-metallic-biomaterial-surface-destruction-corrosion-and-friction-aspects
#6
REVIEW
Joanna Mystkowska, Katarzyna Niemirowicz-Laskowska, Dawid Łysik, Grażyna Tokajuk, Jan R Dąbrowski, Robert Bucki
Metallic biomaterials in the oral cavity are exposed to many factors such as saliva, bacterial microflora, food, temperature fluctuations, and mechanical forces. Extreme conditions present in the oral cavity affect biomaterial exploitation and significantly reduce its biofunctionality, limiting the time of exploitation stability. We mainly refer to friction, corrosion, and biocorrosion processes. Saliva plays an important role and is responsible for lubrication and biofilm formation as a transporter of nutrients for microorganisms...
March 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29474840/production-of-muconic-acid-in-plants
#7
Aymerick Eudes, Roland Berthomieu, Zhangying Hao, Nanxia Zhao, Veronica Teixeira Benites, Edward E K Baidoo, Dominique Loqué
Muconic acid (MA) is a dicarboxylic acid used for the production of industrially relevant chemicals such as adipic acid, terephthalic acid, and caprolactam. Because the synthesis of these polymer precursors generates toxic intermediates by utilizing petroleum-derived chemicals and corrosive catalysts, the development of alternative strategies for the bio-based production of MA has garnered significant interest. Plants produce organic carbon skeletons by harvesting carbon dioxide and energy from the sun, and therefore represent advantageous hosts for engineered metabolic pathways towards the manufacturing of chemicals...
March 2018: Metabolic Engineering
https://www.readbyqxmd.com/read/29411481/glycoside-hydrolase-dish-from-desulfovibrio-vulgaris-degrades-the-n-acetylgalactosamine-component-of-diverse-biofilms
#8
Lei Zhu, Venkata G Poosarla, Sooyeon Song, Thammajun L Wood, Daniel S Miller, Bei Yin, Thomas K Wood
Biofilms of sulfate-reducing bacteria (SRB) produce H2 S, which contributes to corrosion. Although bacterial cells in biofilms are cemented together, they often dissolve their own biofilm to allow the cells to disperse. Using Desulfovibrio vulgaris as a model SRB, we sought polysaccharide-degrading enzymes that disperse its biofilm. Using a whole-genome approach, we identified eight enzymes as putative extracellular glycoside hydrolases including DisH (DVU2239, dispersal hexosaminidase), an enzyme that we demonstrated here, by utilizing various p-nitrooligosaccharide substrates, to be an N-acetyl-β-D-hexosaminidase...
February 6, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29407847/synthesis-of-graphenized-au-zno-plasmonic-nanocomposites-for-simultaneous-sunlight-mediated-photo-catalysis-and-anti-microbial-activity
#9
Subhavna Juneja, Ashwathi Asha Madhavan, Anujit Ghosal, Ranjita Ghosh Moulick, Jaydeep Bhattacharya
Sunlight mediated photo-degradation and anti-bacterial activity of hetero junctioned plasmonic binary (Au/ZnO, RGO/ZnO) and ternary (RGO/Au/ZnO) nanocomposites (NC) have been reported. Higher photo-charge carrier generation, increased charge separation, improved active sites for catalysis, enhanced LSPR and larger photo-response regions have been achieved. Decoration with Au nanoparticles (ca. 11 ± 3 and 48 ± 5 nm) and RGO of ZnO (3D/1D) microstructures (aspect ratio 15.18) provides ternary NCs an edge over mono/bi component catalysts...
April 5, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29385891/biosynthesis-of-silver-nanoparticles-using-sida-acuta-extract-for-antimicrobial-actions-and-corrosion-inhibition-potential
#10
Muhammad Idrees, Saima Batool, Tanzila Kalsoom, Sadaf Raina, Hafiz Muhammad Adeel Sharif, Summera Yasmeen
Nanotechnology exhibits a multidisciplinary area and gained interests for researchers. Nanoparticles produced via physical and chemical methods affects ecosystem drastically. Green synthesis is the charming technique that is inexpensive and safe for the environment. This study aimed to explore the antibacterial actions of as-synthesized silver nanoparticles (Ag-NPs) against Escherichia coli, Staphylococcus aureus and Streptococcus faecalis. Also, the anti-corrosion actions confirmed that the Ag-NPs proved as good inhibitors...
February 12, 2018: Environmental Technology
https://www.readbyqxmd.com/read/29356322/synthesis-and-characterization-of-biogenic-selenium-nanoparticles-with-antimicrobial-properties-made-by-staphylococcus-aureus-methicillin-resistant-staphylococcus-aureus-mrsa-escherichia-coli-and-pseudomonas-aeruginosa
#11
David Medina Cruz, Gujie Mi, Thomas J Webster
Antimicrobial resistance is a global concern that affects more than two million people each year. Therefore, new approaches to kill bacteria are needed. One of the most promising methodologies may come from metallic nanoparticles, since bacteria may not develop a resistance to these nanostructures as they do for antibiotics. While metallic nanoparticle synthesis methods have been well studied, they are often accompanied by significant drawbacks such as cost, extreme processing conditions, and toxic waste production since they use harsh chemicals such as corrosive agents (hydrazine) or strong acids (hydrochloride acid)...
May 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29354366/control-of-corrosive-bacterial-community-by-bronopol-in-industrial-water-system
#12
Jayaraman Narenkumar, Nachimuthu Ramesh, Aruliah Rajasekar
Ten aerobic corrosive bacterial strains were isolated from a cooling tower water system (CWS) which were identified based on the biochemical characterization and 16S rRNA gene sequencing. Out of them, dominant corrosion-causing bacteria, namely, Bacillus thuringiensis EN2, Terribacillus aidingensis EN3, and Bacillus oleronius EN9, were selected for biocorrosion studies on mild steel 1010 (MS) in a CWS. The biocorrosion behaviour of EN2, EN3, and EN9 strains was studied using immersion test (weight loss method), electrochemical analysis, and surface analysis...
January 2018: 3 Biotech
https://www.readbyqxmd.com/read/29335593/bacterial-iron-reduction-and-biogenic-mineral-formation-for-the-stabilisation-of-corroded-iron-objects
#13
Wafa M Kooli, Lucrezia Comensoli, Julien Maillard, Monica Albini, Arnaud Gelb, Pilar Junier, Edith Joseph
Exploiting bacterial metabolism for the stabilisation of corroded iron artefacts is a promising alternative to conventional conservation-restoration methods. Bacterial iron reduction coupled to biogenic mineral formation has been shown to promote the conversion of reactive into stable corrosion products that are integrated into the natural corrosion layer of the object. However, in order to stabilise iron corrosion, the formation of specific biogenic minerals is essential. In this study, we used the facultative anaerobe Shewanella loihica for the production of stable biogenic iron minerals under controlled chemical conditions...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29333490/inhibition-of-bacterial-adhesion-on-nanotextured-stainless-steel-316l-by-electrochemical-etching
#14
Yeongseon Jang, Won Tae Choi, Christopher T Johnson, Andrés J García, Preet M Singh, Victor Breedveld, Dennis W Hess, Julie A Champion
Bacterial adhesion to stainless steel 316L (SS316L), which is an alloy typically used in many medical devices and food processing equipment, can cause serious infections along with substantial healthcare costs. This work demonstrates that nanotextured SS316L surfaces produced by electrochemical etching effectively inhibit bacterial adhesion of both Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus , but exhibit cytocompatibility and no toxicity toward mammalian cells in vitro. Additionally, the electrochemical surface modification on SS316L results in formation of superior passive layer at the surface, improving corrosion resistance...
January 8, 2018: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/29259586/responses-of-microbial-community-composition-to-temperature-gradient-and-carbon-steel-corrosion-in-production-water-of-petroleum-reservoir
#15
Xiao-Xiao Li, Tao Yang, Serge M Mbadinga, Jin-Feng Liu, Shi-Zhong Yang, Ji-Dong Gu, Bo-Zhong Mu
Oil reservoir production systems are usually associated with a temperature gradient and oil production facilities frequently suffer from pipeline corrosion failures. Both bacteria and archaea potentially contribute to biocorrosion of the oil production equipment. Here the response of microbial populations from the petroleum reservoir to temperature gradient and corrosion of carbon steel coupons were investigated under laboratory condition. Carbon steel coupons were exposed to production water from a depth of 1809 m of Jiangsu petroleum reservoir (China) and incubated for periods of 160 and 300 days...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29244755/doped-halloysite-nanotubes-for-use-in-the-3d-printing-of-medical-devices
#16
Jeffery A Weisman, Udayabhanu Jammalamadaka, Karthik Tappa, David K Mills
Previous studies have established halloysite nanotubes (HNTs) as viable nanocontainers capable of sustained release of a variety of antibiotics, corrosion agents, chemotherapeutics and growth factors either from their lumen or in outer surface coatings. Accordingly, halloysite nanotubes (HNTs) hold great promise as drug delivery carriers in the fields of pharmaceutical science and regenerative medicine. This study explored the potential of 3D printing drug doped HNT constructs. We used a model drug, gentamicin (GS) and polylactic acid (PLA) to fabricate GS releasing disks, beads, and pellets...
December 15, 2017: Bioengineering
https://www.readbyqxmd.com/read/29209978/bioengineered-silver-nanoparticles-as-potent-anti-corrosive-inhibitor-for-mild-steel-in-cooling-towers
#17
Jayaraman Narenkumar, Punniyakotti Parthipan, Jagannathan Madhavan, Kadarkarai Murugan, Sreekar Babu Marpu, Anil Kumar Suresh, Aruliah Rajasekar
Silver nanoparticle-aided enhancement in the anti-corrosion potential and stability of plant extract as ecologically benign alternative for microbially induced corrosion treatment is demonstrated. Bioengineered silver nanoparticles (AgNPs) surface functionalized with plant extract material (proteinacious) was generated in vitro in a test tube by treating ionic AgNO3 with the leaf extract of Azadirachta indica that acted as dual reducing as well as stabilizing agent. Purity and crystallinity of the AgNPs, along with physical and surface characterizations, were evaluated by performing transmission electron microscopy, Fourier transform infrared spectroscopy, energy dispersive x-ray spectra, single-area electron diffractions, zeta potential, and dynamic light scattering measurements...
February 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29179122/impacts-of-water-quality-on-the-corrosion-of-cast-iron-pipes-for-water-distribution-and-proposed-source-water-switch-strategy
#18
Jun Hu, Huiyu Dong, Qiang Xu, Wencui Ling, Jiuhui Qu, Zhimin Qiang
Switch of source water may induce "red water" episodes. This study investigated the impacts of water quality on iron release, dissolved oxygen consumption (ΔDO), corrosion scale evolution and bacterial community succession in cast iron pipes used for drinking water distribution at pilot scale, and proposed a source water switch strategy accordingly. Three sets of old cast iron pipe section (named BP, SP and GP) were excavated on site and assembled in a test base, which had historically transported blended water, surface water and groundwater, respectively...
February 1, 2018: Water Research
https://www.readbyqxmd.com/read/29154214/ennoblement-corrosion-and-biofouling-in-brackish-seawater-comparison-between-six-stainless-steel-grades
#19
COMPARATIVE STUDY
E Huttunen-Saarivirta, P Rajala, M Marja-Aho, J Maukonen, E Sohlberg, L Carpén
In this work, six common stainless steel grades were compared with respect to ennoblement characteristics, corrosion performance and tendency to biofouling in brackish sea water in a pilot-scale cooling water circuit. Two tests were performed, each employing three test materials, until differences between the materials were detected. Open circuit potential (OCP) was measured continuously in situ. Potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements were conducted before and after the tests...
April 2018: Bioelectrochemistry
https://www.readbyqxmd.com/read/29071171/role-of-calcium-depositing-bacteria-agrobacterium-tumefaciens-and-its-influence-on-corrosion-of-different-engineering-metals-used-in-cooling-water-system
#20
Jayaraman Narenkumar, Kuppusamy Sathishkumar, Adikesavan Selvi, Rajagopalan Gobinath, Kadarkarai Murugan, Aruliah Rajasekar
The present investigation deals with the role of calcium-depositing bacterial community on corrosion of various engineering metals, namely, brass alloy (BS), copper (Cu), stainless steel (SS) and mild steel (MS). Based on the corrosion behavior, Agrobacterium tumefaciens EN13, an aerobic bacterium is identified as calcium-depositing bacteria on engineering metals. The results of the study are supported with biochemical characterization, 16S rRNA gene sequencing, calcium quantification, weight loss, electrochemical (impedance and polarization) and surface analysis (XRD and FTIR) studies...
December 2017: 3 Biotech
keyword
keyword
45928
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"