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Sodium hypochlorite

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https://www.readbyqxmd.com/read/28431257/integrated-antimicrobial-and-antifouling-ultrafiltration-membrane-by-surface-grafting-peo-and-n-chloramine-functional-groups
#1
Shuhua Hou, Jialin Xing, Xue Dong, Jifu Zheng, Shenghai Li
Ultrafiltration membranes with integrated antimicrobial and antifouling properties were fabricated using an engineering thermoplastic (carboxylated cardopoly(aryl ether ketone, PEK-COOH). Different molecular weights of PEO (Mw: 120, 350, 550) were grafted to the PEK-COOH membrane surface via EDC/NHS methodology. N-chloramine modified membranes then were prepared by simple exposure to dilute sodium hypochlorite solution. The surface grafting processes were all performed in water (i.e. without organic solvent)...
April 11, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28416316/effect-of-passive-ultrasonic-activation-on-organic-tissue-dissolution-from-simulated-grooves-in-root-canals-using-sodium-hypochlorite-with-or-without-surfactants-and-edta
#2
Roberto Estevez, Antonio J Conde, Oliver Valencia de Pablo, Francisco de la Torre, Giampiero Rossi-Fedele, Rafael Cisneros
INTRODUCTION: The aim of this study was to evaluate the porcine palatal mucosa dissolution from artificial grooves using a final rinse with sodium hypochlorite (NaOCl) with or without a surfactant or ultrasonic activation (PUI). METHODS: The root canals of 130 human maxillary central incisors were chemomechanically prepared and the teeth split. A standardized longitudinal intracanal groove was created in 1 of the root halves. One hundred thirty porcine palatal mucosa samples were collected, adapted in order to fit into the grooves, and weighed...
April 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28400016/effect-of-sub-inhibitory-concentrations-of-biocides-on-the-architecture-and-viability-of-mrsa-biofilms
#3
Laura Buzón-Durán, Carlos Alonso-Calleja, Félix Riesco-Peláez, Rosa Capita
The effect of sub-minimum inhibitory concentrations (sub-MICs) of three biocides (benzalkonium chloride [BZK], trisodium phosphate [TSP] and sodium hypochlorite [SHY]) upon the architecture and viability of the biofilms formed by a methicillin-resistant Staphylococcus aureus strain of food origin (MRSA 48a) was investigated. Images were examined through confocal laser scanning microscopy (CLSM) after staining with SYTO9 and propidium iodide. Sub-MICs of BZK or TSP reduced the ability of MRSA to produce biofilm...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28394240/effect-of-laser-activated-irrigations-on-smear-layer-removal-from-the-root-canal-wall
#4
Xiaoli Wang, Xiaogang Cheng, Baogang Liu, Xin Liu, Qing Yu, Wenxi He
OBJECTIVE: The purpose of this study was to evaluate the effect of laser-activated irrigations (LAI) by using the Erbium: Yttrium Aluminum Garnet (Er:YAG) laser and the Erbium Chromium: Yttrium Scandium Gallium Garnet (Er,Cr:YSGG) laser on removing smear layer (SL) from the root canal wall. BACKGROUND DATA: LAI has been proposed as an adjuvant to conventional protocols of endodontic treatment to enhance the disinfection, which is a promising protocol for SL removal...
April 5, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28389372/rat-tissue-reaction-and-cytokine-production-induced-by-antimicrobial-photodynamic-therapy
#5
Gustavo Sivieri-Araujo, Índia Olinta de Azevedo Queiroz, Renan Dal Fabbro, Fernanda Esteves, Luciano Tavares Angelo Cintra, Paulo Carvalho Tobias Duarte, Vanderlei Salvador Bagnato, Sandra Helena Penha de Oliveira, João Eduardo Gomes-Filho
BACKGROUND: The antimicrobial photodynamic therapy (aPDT) inactivates the target cell via reactions among the photosensitizer (PS), Laser or Led and O2. The aim of this study was to evaluate the tissue reaction and cytokine production promoted by aPDT with curcumin photosensitizer. METHODS: Polyethylene tubes containing saline solution (control), 5% sodium hypochlorite (NaOCl) and aPDT with curcumin PS 500mg/L, were implanted into dorsal connective tissue of Wistar rats...
April 4, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28389075/the-antibacterial-effect-of-nd-yag-laser-treatment-of-teeth-with-apical-periodontitis-a%C3%A2-randomized-controlled-trial
#6
Maria Granevik Lindström, Eva Wolf, Helena Fransson
INTRODUCTION: The aim of this blind, in vivo, randomized controlled trial was to evaluate the antibacterial effect of Nd:YAG laser irradiation in endodontic treatment of single-rooted teeth with apical periodontitis. The hypothesis was that mechanical enlargement of the root canal and Nd:YAG laser irradiation would yield more negative bacterial samples than conventional treatment. METHODS: Forty-one patients (45 teeth) were allocated to the laser (n = 22) or control (n = 23) group...
April 4, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28384974/a-comparative-study-of-the-quality-of-apical-seal-in-resilon-epiphany-se-following-intra-canal-irrigation-with-17-edta-10-citric-acid-and-mtad-as-final-irrigants-a-dye-leakage-study-under-vacuum
#7
Saravana Karthikeyan Balasubramanian, Vidya Saraswathi, Nidambur Vasudev Ballal, Shashi Rashmi Acharya, J Sivakumar Sampath, Sandeep Singh
INTRODUCTION: Adequate apical sealing ability of the root canal filling material is an essential requisite for a successful endodontic therapy. Various endodontic irrigants are used for the removal of smear layer before obturating with a solid core material, thereby, reducing microleakage and improving apical seal. Resilon, a synthetic material was developed as an alternative to replace the conventional gutta-percha (standard root canal filling material) and traditional sealers for the obturation of endodontically treated teeth...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28383602/fungal-contamination-and-disinfection-of-dental-chairs-teresina-piaui-brazil
#8
Antônio Iv de Almondes, Jhonatta Op de Araújo, Larissa Mendes de Sirqueira Amaral, Renandro C Reis, Jhonatas Cs Porto, João Batista Teles, Thiago L Monte, Iraci de Ms Noleto, Tanit C Santos, Ivonizete P Ribeiro, Mitra Mobin
The aim of this study was to analyze fungal contamination on dental chairs at the clinic of a Higher Education Institution in TeresinaPI, Brazil, and to evaluate the effectiveness of different disinfectants: 70% alcohol and 1% sodium hypochlorite. We selected the five sites with most contact between patient and chair: headrest, backrest, armrests, seat and foot rest. Samples were collected from these sites on 14 chairs and inoculated in agar Sabouraud culture medium containing chloramphenicol. Pathogenic fungi were isolated from all sampling sites on the chairs...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28379524/evaluation-of-usda-approved-antimicrobials-on-the-reduction-of-salmonella-and-campylobacter-in-ground-chicken-frames-and-their-effect-on-meat-quality
#9
A Moore, R Nannapaneni, A Kiess, C S Sharma
The main objective of this study was to examine the efficacy of USDA approved antimicrobials in reducing Salmonella Heidelberg (S. H.) and Campylobacter jejuni (C. j.) in ground chicken frames and to determine the treatment effects on total aerobic counts and meat color. Six antimicrobials (0.1% peracetic acid [PAA], 0.6% cetylpyridinium chloride [CPC], 0.005% sodium hypochlorite, 1.5% acidified lactic acid [ALA], 0.3% propionic acid, and 0.1% lauric arginate [LAE]) applied as dip treatments were evaluated in their efficacy in reducing S...
March 31, 2017: Poultry Science
https://www.readbyqxmd.com/read/28377648/comparison-of-antimicrobial-efficacy-of-diode-laser-triphala-and-sodium-hypochlorite-in-primary-root-canals-a-randomized-controlled-trial
#10
Seby Thomas, Sharath Asokan, Baby John, Geetha Priya, S Kumar
AIM: To evaluate the antimicrobial efficacy of diode laser, triphala, and sodium hypochlorite (NaOCl) against Enterococc-cus faecalis contaminated primary root canals. MATERIALS AND METHODS: Forty-nine single-rooted human primary teeth were reduced up to cemento-enamel junction and biomechanically prepared. After sterilization, five teeth were selected as negative controls and remaining teeth were inoculated with E. faecalis. The teeth were then randomly divided into four groups...
January 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28362303/effect-of-sodium-hypochlorite-on-typical-biofilms-formed-in-drinking-water-distribution-systems
#11
Huirong Lin, Xuan Zhu, Yuxin Wang, Xin Yu
Human health and biological safety problems resulting from urban drinking water pipe network biofilms pollution have attracted wide concern. Despite the inclusion of residual chlorine in drinking water distribution systems supplies, the bacterium is a recalcitrant human pathogen capable of forming biofilms on pipe walls and causing health risks. Typical drinking water bacterial biofilms and their response to different concentrations of chlorination was monitored. The results showed that the four bacteria all formed single biofilms susceptible to sodium hypochlorite...
April 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28361600/application-of-drifts-13-c-nmr-and-py-mbms-to-characterize-the-effects-of-soil-science-oxidation-assays-on-soil-organic-matter-composition-in-a-mollic-xerofluvent
#12
Andrew J Margenot, Francisco J Calderón, Kimberly A Magrini, Robert J Evans
Chemical oxidations are routinely employed in soil science to study soil organic matter (SOM), and their interpretation could be improved by characterizing oxidation effects on SOM composition with spectroscopy. We investigated the effects of routinely employed oxidants on SOM composition in a Mollic Xerofluvent representative of intensively managed agricultural soils in the California Central Valley. Soil samples were subjected to oxidation by potassium permanganate (KMnO4), sodium hypochlorite (NaOCl), and hydrogen peroxide (H2O2)...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28361272/sterilization-of-blow-fly-eggs-chrysomya-megacephala-and-lucilia-cuprina-diptera-calliphoridae-for-maggot-debridement-therapy-application
#13
Kwankamol Limsopatham, Phadungkiat Khamnoi, Kabkaew L Sukontason, Dheerawan Boonyawan, Tarinee Chaiwong, Kom Sukontason
Maggot debridement therapy (MDT) is an application of sterile laboratory-reared blow fly larvae to remove necrotic tissue and disinfect wounds for medical conditions. For effective application, the blow fly larvae used in the wound treatment are required to be in aseptic condition. Here, we report the results of a detailed assessment of bacteria and fungi isolated from the eggs of two blow fly species, Chrysomya megacephala (F.) and Lucilia cuprina (Wiedemann) before and after sterilization by disinfectants Chlorhex-C, povidone-iodine, and sodium hypochlorite...
March 30, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28349906/effect-of-sodium-hypochlorite-on-push-out-bond-strength-of-four-calcium-silicate-based-endodontic-materials-when-used-for-repairing-perforations-on-human-dentin-an-in-vitro-evaluation
#14
Sara A Alsubait
AIM: This study aimed to evaluate the push-out bond strength of NeoMTA Plus (NMTA), EndoSequence root repair material fast set putty (ERRMF), biodentine (BD), and ProRoot white mineral trioxide aggregate (PMTA) when used as perforation repair materials after exposure to 2.5% sodium hypochlorite (NaOCl) during the early setting phase. MATERIALS AND METHODS: Horizontal midroot sections were prepared from single-rooted human teeth. Sections (n = 144) were randomly divided into four groups: PMTA, BD, NMTA, and ERRMF...
April 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28342478/interactions-between-the-tetrasodium-salts-of-edta-and-1-hydroxyethane-1-1-diphosphonic-acid-with-sodium-hypochlorite-irrigants
#15
Philippe Biel, Dirk Mohn, Thomas Attin, Matthias Zehnder
INTRODUCTION: A clinically useful all-in-one endodontic irrigant with combined proteolytic and decalcifying properties is still elusive. In this study, the chemical effects of dissolving the tetrasodium salts of 1-hydroxyethane 1,1-diphosphonic acid (Na4HEDP) or Na4EDTA directly in sodium hypochlorite (NaOCl) irrigants in polypropylene syringes were assessed during the course of 1 hour. METHODS: The solubility of the salts in water was determined. Their compatibility with 1% and 5% NaOCl was measured by iodometric titration and in a calcium complexation experiment by using a Ca(2+)-selective electrode...
April 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28341380/low-energy-single-staged-anaerobic-fluidized-bed-ceramic-membrane-bioreactor-afcmbr-for-wastewater-treatment
#16
Muhammad Aslam, Perry L McCarty, Chungheon Shin, Jaeho Bae, Jeonghwan Kim
An aluminum dioxide (Al2O3) ceramic membrane was used in a single-stage anaerobic fluidized bed ceramic membrane bioreactor (AFCMBR) for low-strength wastewater treatment. The AFCMBR was operated continuously for 395days at 25°C using a synthetic wastewater having a chemical oxygen demand (COD) averaging 260mg/L. A membrane net flux as high as 14.5-17L/m(2)h was achieved with only periodic maintenance cleaning, obtained by adding 25mg/L of sodium hypochlorite solution. No adverse effect of the maintenance cleaning on organic removal was observed...
March 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28340756/simultaneous-quantification-of-iodine-and-high-valent-metals-via-icp-ms-under-acidic-conditions-in-complex-matrices
#17
Kristina Brix, Christina Hein, Jonas Michael Sander, Ralf Kautenburger
The determination of iodine as a main fission product (especially the isotopes I-129 and I-131) of stored HLW in a disposal beside its distribution as a natural ingredient of many different products like milk, food and seawater is a matter of particular interest. The simultaneous ICP-MS determination of iodine as iodide together with other elements (especially higher valent metal ions) relevant for HLW is analytically very problematic. A reliable ICP-MS quantification of iodide must be performed at neutral or alkaline conditions in contrast to the analysis of metal ions which are determined in acidic pH ranges...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28325624/clinical-outcomes-for-primary-molars-treated-by-different-types-of-pulpotomy-a%C3%A2-retrospective-cohort-study
#18
Heng-Yeh Kuo, Jr-Rung Lin, Wen-Hsi Huang, Meng-Ling Chiang
BACKGROUND/PURPOSE: Pulpotomy is the amputation of coronally infected pulp tissue to maintain the vitality and function of the radicular pulp. This study was designed to assess the clinical and radiographic success rates of primary molars treated by pulpotomy using diode laser, sodium hypochlorite, or no medication after a follow-up period of 24 months. METHODS: A retrospective study was conducted by evaluating the success rates of primary molars treated by pulpotomy with diode laser, sodium hypochlorite, or no medication according to the clinical symptoms and signs and radiographic features...
March 18, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28318172/-accidental-injection-of-sodium-hypochlorite-in-inferior-alveolar-nerve-block-anesthesia
#19
Li Hongyan, Xu Jian, Zhang Baorong, Jia Yue, Liu Minhua, Luo Yilang, Zhao Jing
Sodium hypochlorite (NaClO) has been widely used in clinical practice as one of the most efficient root canal irrigants. Its properties include broad-spectrum antimicrobial activity and ability to dissolve necrotic tissues. However, when used improperly, NaClO can cause a series of adverse reactions, such as mucosal inflammation, irritation, or injury. This paper presents a case of accidental injection of NaClO in inferior alveolar nerve block anesthesia.
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28306162/analysis-of-the-effects-of-several-decalcifying-agents-alone-and-in-combination-with-sodium-hypochlorite-on-the-chemical-composition-of-dentine
#20
T Tartari, L Bachmann, R F Zancan, R R Vivan, M A H Duarte, C M Bramante
AIM: To investigate the effects of several decalcifying agents alone and in combination with sodium hypochlorite (NaOCl) on the organic and inorganic components of dentine using Attenuated Total Reflectance in Fourier Transform Infrared Spectroscopy (ATR-FTIR). METHODOLOGY: Dentine slices from bovine teeth were submitted to (n=5): 0.9% saline, 9% and 18% etidronic acid (HEDP), 5% and 10% tetrasodium EDTA (EDTANa4 ), 17% trisodium EDTA (EDTAHNa3 ), and 0.5% and 2...
March 17, 2017: International Endodontic Journal
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