Base de dados : MEDLINE
Pesquisa : D01.210.465.800 [Categoria DeCS]
Referências encontradas : 4150 [refinar]
Mostrando: 1 .. 10   no formato [Detalhado]

página 1 de 415 ir para página                         

  1 / 4150 MEDLINE  
              next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:29478639
[Au] Autor:Li W; Liu H; Li S; Li W; Chen Y; Gao J; Cao Y
[Ad] Endereço:State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
[Ti] Título:Removal of hydrophobic volatile organic compounds with sodium hypochlorite and surfactant in a co-current rotating packed bed.
[So] Source:J Environ Sci (China);64:190-196, 2018 Feb.
[Is] ISSN:1001-0742
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:A co-current flow rotating packed bed was applied to remove volatile organic compounds (VOCs) by sodium hypochlorite (NaClO) and surfactant (sodium dodecyl benzene sulfonate, SDBS) from air stream. Xylene was used as a model VOC herein. The effect of pH, concentration of NaClO and SDBS solution, liquid flow rate, gas flow rate and rotational speed on xylene removal efficiency and overall mass transfer coefficient (K a) were discussed. Then, a correlation for K a of the co-current rotating packed bed was proposed by fitting the experimental data of K a and independent variables of liquid/gas ratio, rotational speed, pH, NaClO concentration and treatment time, which was in good agreement with the experimental data (the deviation≤±30%).
[Mh] Termos MeSH primário: Filtros de Ar
Poluentes Atmosféricos/química
Hipoclorito de Sódio/química
Tensoativos/química
Compostos Orgânicos Voláteis/química
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Air Pollutants); 0 (Surface-Active Agents); 0 (Volatile Organic Compounds); DY38VHM5OD (Sodium Hypochlorite)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180301
[Lr] Data última revisão:
180301
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180227
[St] Status:MEDLINE


  2 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:29293326
[Au] Autor:Ide M; Okumura M; Koizumi K; Kumagai M; Yoshida I; Yoshida M; Mishima T; Nakamura M
[Ad] Endereço:Japan Food Research Laboratories , Osaka 567-0085, Japan.
[Ti] Título:Novel Method to Quantify ß-Glucan in Processed Foods: Sodium Hypochlorite Extracting and Enzymatic Digesting (SEED) Assay.
[So] Source:J Agric Food Chem;66(4):1033-1038, 2018 Jan 31.
[Is] ISSN:1520-5118
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Some ß-glucans have attracted attention due to their functionality as an immunostimulant and have been used in processed foods. However, accurately measuring the ß-glucan content of processed foods using existing methods is difficult. We demonstrate a new method, the Sodium hypochlorite Extracting and Enzymatic Digesting (SEED) assay, in which ß-glucan is extracted using sodium hypochlorite, dimethyl sulfoxide, and 5 mol/L sodium hydroxide and then digested into ß-glucan fragments using Westase which is an enzyme having ß-1,6- and ß-1,3 glucanase activity. The ß-glucan fragments are further digested into glucose using exo-1,3-ß-d-glucanase and ß-glucosidase. We measured ß-glucan comprising ß-1,3-, -1,6-, and -1,(3),4- bonds in various polysaccharide reagents and processed foods using our novel method. The SEED assay was able to quantify ß-glucan with good reproducibility, and the recovery rate was >90% for food containing ß-glucan. Therefore, the SEED assay is capable of accurately measuring the ß-glucan content of processed foods.
[Mh] Termos MeSH primário: Análise de Alimentos/métodos
Hipoclorito de Sódio
beta-Glucanas/análise
[Mh] Termos MeSH secundário: Manipulação de Alimentos
Glucana 1,3-beta-Glucosidase/metabolismo
Glucanos/química
Hordeum/química
beta-Glucosidase/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Glucans); 0 (beta-Glucans); 9008-22-4 (laminaran); DY38VHM5OD (Sodium Hypochlorite); EC 3.2.1.21 (beta-Glucosidase); EC 3.2.1.58 (Glucan 1,3-beta-Glucosidase); EC 3.2.1.58 (beta-1,3-exoglucanase)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180212
[Lr] Data última revisão:
180212
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180103
[St] Status:MEDLINE
[do] DOI:10.1021/acs.jafc.7b05044


  3 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28854274
[Au] Autor:Maden M; Ertugrul IF; Orhan EO; Erik CE; Yetis CÇ; Tuncer Y; Kahriman M
[Ad] Endereço:Department of Endodontics, Faculty of Dentistry, Süleyman Demirel University, Isparta, Turkey.
[Ti] Título:Enhancing antibacterial effect of sodium hypochlorite by low electric current-assisted sonic agitation.
[So] Source:PLoS One;12(8):e0183895, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: This research focused on the effects of low electric current (µE)-assisted sonic agitation of sodium hypochlorite on Enterococcus faecalis infected human root dentin. METHODS: Extracted human canine roots were instrumented, sterilized, and experimentally contaminated with E. faecalis. After incubation for 21 days, the presence of the biofilm was confirmed by scanning electron microscopy (n = 3). Roots were randomly divided into seven groups according to decontamination procedures: G1: no treatment; G2: sterile saline; G3: 5.25% sodium hypochlorite; G4: passive ultrasonic irrigation; G5: EndoActivator (Dentsply Tulsa Dental Specialties, Tulsa, OK) agitation (EA); G6: µE agitation; and G7: µE-assisted sonic agitation. Fixed µE amperage and intensities were applied in G6 and G7. Following microbial sampling, bacterial colonies were counted using the direct plating method. RESULTS: Biofilm was not eradicated in any sample. The µE-assisted sonic agitation of sodium hypochlorite revealed the lowest cfu values (p<0.05), whereas there were no significant differences among the passive ultrasonic irrigation, EndoActivator and µE agitation alone (p>0.05). CONCLUSIONS: Based on available evidence, the following conclusions were drawn: The µE-assisted sonic agitation increased the antibiofilm efficiency of sodium hypochlorite than passive ultrasonic irrigation and EndoActivator. The µE-assisted sonic agitation on 5.25% sodium hypochlorite is not capable to eradicate biofilms at 10mA energy level in 60s.
[Mh] Termos MeSH primário: Antibacterianos/farmacologia
Biofilmes/efeitos dos fármacos
Cavidade Pulpar/microbiologia
Enterococcus faecalis/efeitos dos fármacos
Infecções por Bactérias Gram-Positivas/tratamento farmacológico
Hipoclorito de Sódio/farmacologia
Sonicação/métodos
[Mh] Termos MeSH secundário: Desinfetantes/farmacologia
Eletricidade
Enterococcus faecalis/fisiologia
Seres Humanos
Tratamento do Canal Radicular
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Anti-Bacterial Agents); 0 (Disinfectants); DY38VHM5OD (Sodium Hypochlorite)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171120
[Lr] Data última revisão:
171120
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170831
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0183895


  4 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28833013
[Au] Autor:Harris V; Smith SD
[Ad] Endereço:Department of Dermatology, Royal North Shore Hospitals, St Leonards, New South Wales, Australia.
[Ti] Título:Lifting the biofilm lid on the antibacterial and antibiofilm effects of sodium hypochlorite against Staphylococcus aureus in atopic dermatitis.
[So] Source:Br J Dermatol;177(2):347-348, 2017 08.
[Is] ISSN:1365-2133
[Cp] País de publicação:England
[La] Idioma:eng
[Mh] Termos MeSH primário: Antibacterianos
Dermatite Atópica/microbiologia
Staphylococcus aureus/efeitos dos fármacos
[Mh] Termos MeSH secundário: Biofilmes/efeitos dos fármacos
Seres Humanos
Hipoclorito de Sódio
[Pt] Tipo de publicação:JOURNAL ARTICLE; COMMENT
[Nm] Nome de substância:
0 (Anti-Bacterial Agents); DY38VHM5OD (Sodium Hypochlorite)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171108
[Lr] Data última revisão:
171108
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170824
[St] Status:MEDLINE
[do] DOI:10.1111/bjd.15692


  5 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
Texto completo
[PMID]:28700086
[Au] Autor:Norman G; Christie J; Liu Z; Westby MJ; Jefferies JM; Hudson T; Edwards J; Mohapatra DP; Hassan IA; Dumville JC
[Ad] Endereço:Division of Nursing, Midwifery & Social Work, School of Health Sciences, Faculty of Biology, Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Jean McFarlane Building, Oxford Road, Manchester, UK, M13 9PL.
[Ti] Título:Antiseptics for burns.
[So] Source:Cochrane Database Syst Rev;7:CD011821, 2017 07 12.
[Is] ISSN:1469-493X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Burn wounds cause high levels of morbidity and mortality worldwide. People with burns are particularly vulnerable to infections; over 75% of all burn deaths (after initial resuscitation) result from infection. Antiseptics are topical agents that act to prevent growth of micro-organisms. A wide range are used with the intention of preventing infection and promoting healing of burn wounds. OBJECTIVES: To assess the effects and safety of antiseptics for the treatment of burns in any care setting. SEARCH METHODS: In September 2016 we searched the Cochrane Wounds Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Ovid MEDLINE, Ovid MEDLINE (In-Process & Other Non-Indexed Citations), Ovid Embase, and EBSCO CINAHL. We also searched three clinical trials registries and references of included studies and relevant systematic reviews. There were no restrictions based on language, date of publication or study setting. SELECTION CRITERIA: We included randomised controlled trials (RCTs) that enrolled people with any burn wound and assessed the use of a topical treatment with antiseptic properties. DATA COLLECTION AND ANALYSIS: Two review authors independently performed study selection, risk of bias assessment and data extraction. MAIN RESULTS: We included 56 RCTs with 5807 randomised participants. Almost all trials had poorly reported methodology, meaning that it is unclear whether they were at high risk of bias. In many cases the primary review outcomes, wound healing and infection, were not reported, or were reported incompletely.Most trials enrolled people with recent burns, described as second-degree and less than 40% of total body surface area; most participants were adults. Antiseptic agents assessed were: silver-based, honey, Aloe Vera, iodine-based, chlorhexidine or polyhexanide (biguanides), sodium hypochlorite, merbromin, ethacridine lactate, cerium nitrate and Arnebia euchroma. Most studies compared antiseptic with a topical antibiotic, primarily silver sulfadiazine (SSD); others compared antiseptic with a non-antibacterial treatment or another antiseptic. Most evidence was assessed as low or very low certainty, often because of imprecision resulting from few participants, low event rates, or both, often in single studies. Antiseptics versus topical antibioticsCompared with the topical antibiotic, SSD, there is low certainty evidence that, on average, there is no clear difference in the hazard of healing (chance of healing over time), between silver-based antiseptics and SSD (HR 1.25, 95% CI 0.94 to 1.67; I = 0%; 3 studies; 259 participants); silver-based antiseptics may, on average, increase the number of healing events over 21 or 28 days' follow-up (RR 1.17 95% CI 1.00 to 1.37; I = 45%; 5 studies; 408 participants) and may, on average, reduce mean time to healing (difference in means -3.33 days; 95% CI -4.96 to -1.70; I = 87%; 10 studies; 979 participants).There is moderate certainty evidence that, on average, burns treated with honey are probably more likely to heal over time compared with topical antibiotics (HR 2.45, 95% CI 1.71 to 3.52; I = 66%; 5 studies; 140 participants).There is low certainty evidence from single trials that sodium hypochlorite may, on average, slightly reduce mean time to healing compared with SSD (difference in means -2.10 days, 95% CI -3.87 to -0.33, 10 participants (20 burns)) as may merbromin compared with zinc sulfadiazine (difference in means -3.48 days, 95% CI -6.85 to -0.11, 50 relevant participants). Other comparisons with low or very low certainty evidence did not find clear differences between groups.Most comparisons did not report data on infection. Based on the available data we cannot be certain if antiseptic treatments increase or reduce the risk of infection compared with topical antibiotics (very low certainty evidence). Antiseptics versus alternative antisepticsThere may be some reduction in mean time to healing for wounds treated with povidone iodine compared with chlorhexidine (MD -2.21 days, 95% CI 0.34 to 4.08). Other evidence showed no clear differences and is of low or very low certainty. Antiseptics versus non-antibacterial comparatorsWe found high certainty evidence that treating burns with honey, on average, reduced mean times to healing in comparison with non-antibacterial treatments (difference in means -5.3 days, 95% CI -6.30 to -4.34; I = 71%; 4 studies; 1156 participants) but this comparison included some unconventional treatments such as amniotic membrane and potato peel. There is moderate certainty evidence that honey probably also increases the likelihood of wounds healing over time compared to unconventional anti-bacterial treatments (HR 2.86, 95% C 1.60 to 5.11; I = 50%; 2 studies; 154 participants).There is moderate certainty evidence that, on average, burns treated with nanocrystalline silver dressings probably have a slightly shorter mean time to healing than those treated with Vaseline gauze (difference in means -3.49 days, 95% CI -4.46 to -2.52; I = 0%; 2 studies, 204 participants), but low certainty evidence that there may be little or no difference in numbers of healing events at 14 days between burns treated with silver xenograft or paraffin gauze (RR 1.13, 95% CI 0.59 to 2.16 1 study; 32 participants). Other comparisons represented low or very low certainty evidence.It is uncertain whether infection rates in burns treated with either silver-based antiseptics or honey differ compared with non-antimicrobial treatments (very low certainty evidence). There is probably no difference in infection rates between an iodine-based treatment compared with moist exposed burn ointment (moderate certainty evidence). It is also uncertain whether infection rates differ for SSD plus cerium nitrate, compared with SSD alone (low certainty evidence).Mortality was low where reported. Most comparisons provided low certainty evidence that there may be little or no difference between many treatments. There may be fewer deaths in groups treated with cerium nitrate plus SSD compared with SSD alone (RR 0.22, 95% CI 0.05 to 0.99; I = 0%, 2 studies, 214 participants) (low certainty evidence). AUTHORS' CONCLUSIONS: It was often uncertain whether antiseptics were associated with any difference in healing, infections, or other outcomes. Where there is moderate or high certainty evidence, decision makers need to consider the applicability of the evidence from the comparison to their patients. Reporting was poor, to the extent that we are not confident that most trials are free from risk of bias.
[Mh] Termos MeSH primário: Anti-Infecciosos Locais/uso terapêutico
Apiterapia/métodos
Infecções Bacterianas/terapia
Queimaduras/complicações
Queimaduras/terapia
Cicatrização
[Mh] Termos MeSH secundário: Adulto
Antibacterianos/uso terapêutico
Anti-Infecciosos Locais/efeitos adversos
Infecções Bacterianas/etiologia
Bandagens
Clorexidina/uso terapêutico
Desinfetantes/uso terapêutico
Seres Humanos
Merbromina/uso terapêutico
Preparações de Plantas/uso terapêutico
Povidona-Iodo/uso terapêutico
Ensaios Clínicos Controlados Aleatórios como Assunto
Sulfadiazina de Prata/uso terapêutico
Hipoclorito de Sódio/uso terapêutico
Sulfadiazina/uso terapêutico
[Pt] Tipo de publicação:JOURNAL ARTICLE; META-ANALYSIS; RESEARCH SUPPORT, NON-U.S. GOV'T; REVIEW
[Nm] Nome de substância:
0 (Aloe vera gel); 0 (Anti-Bacterial Agents); 0 (Anti-Infective Agents, Local); 0 (Disinfectants); 0 (Plant Preparations); 0N7609K889 (Sulfadiazine); 85H0HZU99M (Povidone-Iodine); DY38VHM5OD (Sodium Hypochlorite); M0T18YH28D (Merbromin); R4KO0DY52L (Chlorhexidine); W46JY43EJR (Silver Sulfadiazine)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170713
[St] Status:MEDLINE
[do] DOI:10.1002/14651858.CD011821.pub2


  6 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo SciELO Brasil
[PMID]:28678952
[Au] Autor:Badaró MM; Salles MM; Leite VMF; Arruda CNF; Oliveira VC; Nascimento CD; Souza RF; Paranhos HFO; Silva-Lovato CH
[Ad] Endereço:Universidade de São Paulo, Faculdade de Odontologia de Ribeirão Preto, Departamento de Materiais Dentários e Prótese, Ribeirão Preto, SP, Brazil.
[Ti] Título:Clinical trial for evaluation of Ricinus communis and sodium hypochlorite as denture cleanser.
[So] Source:J Appl Oral Sci;25(3):324-334, 2017 May-Jun.
[Is] ISSN:1678-7765
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:Objective: This study evaluated Ricinus communis and sodium hypochlorite solutions in terms of biofilm removal ability, remission of candidiasis, antimicrobial activity, and participant satisfaction. Material and Methods: It was conducted a controlled clinical trial, randomized, double-blind, and crossover. Sixty-four denture wearers with (n=24) and without candidiasis (n=40) were instructed to brush (3 times/day) and immerse their dentures (20 min/day) in different storage solutions (S1 / S2: 0.25% / 0.5% sodium hypochlorite; S3: 10% R. communis; S4: Saline).The trial period for each solution was seven days and a washout period of seven days was used before starting the use of another solution. The variables were analyzed at baseline and after each trial period. The biofilm of inner surfaces of maxillary dentures was disclosed, photographed, and total and dyed areas were measured (Image Tool software). The percentage of biofilm was calculated. Remission of candidiasis was assessed by visual scale and score were attributed. Antimicrobial activity was assessed by the DNA-Checkerboard hybridization method. Patient satisfaction was measured using a questionnaire. Results: S1 (4.41±7.98%) and S2 (2.93±5.23%) were more effective then S3 (6.95±10.93%) in biofilm remotion(P<0.0001). All solutions were different from the control (11.07±11.99%). S3 was the most effective solution in remission of candidiasis (50%), followed by S1 (46%). Concerning antimicrobial action, S1/S2 were similar and resulted in the lowest microorganism mean count (P=0.04), followed by S3. No significant differences were found with patient's satisfaction. Conclusions: 10% R. communis and 0.25% sodium hypochlorite were effective in biofilm removal, causing remission of candidiasis and reducing the formation of microbial colonies in denture surfaces. All solutions were approved by patients.
[Mh] Termos MeSH primário: Anti-Infecciosos Locais
Biofilmes/efeitos dos fármacos
Candidíase Bucal/tratamento farmacológico
Higienizadores de Dentadura
Prótese Total Superior/microbiologia
Ricinus/química
Hipoclorito de Sódio
[Mh] Termos MeSH secundário: Idoso
Análise de Variância
Contagem de Colônia Microbiana
Método Duplo-Cego
Feminino
Seres Humanos
Modelos Logísticos
Masculino
Satisfação do Paciente
Reprodutibilidade dos Testes
Propriedades de Superfície
Fatores de Tempo
Resultado do Tratamento
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Nome de substância:
0 (Anti-Infective Agents, Local); 0 (Denture Cleansers); DY38VHM5OD (Sodium Hypochlorite)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170912
[Lr] Data última revisão:
170912
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170706
[St] Status:MEDLINE


  7 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo SciELO Brasil
[PMID]:28678948
[Au] Autor:Gokturk H; Ozkocak I; Buyukgebiz F; Demir O
[Ad] Endereço:Gaziosmanpasa University, Faculty of Dentistry, Department of Endodontics, Tokat, Turkey.
[Ti] Título:Effectiveness of various irrigation protocols for the removal of calcium hydroxide from artificial standardized grooves.
[So] Source:J Appl Oral Sci;25(3):290-298, 2017 May-Jun.
[Is] ISSN:1678-7765
[Cp] País de publicação:Brazil
[La] Idioma:eng
[Ab] Resumo:Objective: The aim of this study was to investigate the ability of laser-activated irrigation (LAI), XP-endo Finisher, CanalBrush, Vibringe, passive ultrasonic irrigation (PUI), and conventional syringe irrigation systems on the removal of calcium hydroxide (CH) from simulated root canal irregularities. Material and Methods: The root canals of one hundred and five extracted single-rooted teeth were instrumented using Reciproc rotary files up to size R40. The teeth were split longitudinally. Two of the three standard grooves were created in the coronal and apical section of one segment, and another in the middle part of the second segment. The standardized grooves were filled with CH and the root halves were reassembled. After 14 days, the specimens were randomly divided into 7 experimental groups (n=15/group). CH was removed as follows: Group 1: beveled needle irrigation; Group 2: double side-vented needle irrigation; Group 3: CanalBrush; Group 4: XP-endo Finisher; Group 5: Vibringe; Group 6: PUI; Group 7: LAI. The amount of remaining CH in the grooves was scored under a stereomicroscope at 20× magnification. Statistical evaluation was performed using Kruskal-Wallis and Bonferroni-Correction Mann-Whitney U tests. Results: Groups 1 and 2 were the least efficient in eliminating CH from the grooves. Groups 6 and 7 eliminated more CH than the other protocols; however, no significant differences were found between these two groups (P>.05). Conclusions: Nevertheless, none of the investigated protocols were able to completely remove all CH from all three root regions. LAI and PUI showed less residual CH than the other protocols from artificial grooves.
[Mh] Termos MeSH primário: Hidróxido de Cálcio/química
Lasers de Estado Sólido/uso terapêutico
Irrigantes do Canal Radicular/química
Preparo de Canal Radicular/instrumentação
Preparo de Canal Radicular/métodos
Terapia por Ultrassom/métodos
[Mh] Termos MeSH secundário: Cavidade Pulpar/efeitos dos fármacos
Seres Humanos
Terapia a Laser/métodos
Teste de Materiais
Valores de Referência
Reprodutibilidade dos Testes
Hipoclorito de Sódio/química
Estatísticas não Paramétricas
Propriedades de Superfície
Irrigação Terapêutica/instrumentação
Irrigação Terapêutica/métodos
Fatores de Tempo
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Root Canal Irrigants); DY38VHM5OD (Sodium Hypochlorite); PF5DZW74VN (Calcium Hydroxide)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170912
[Lr] Data última revisão:
170912
[Sb] Subgrupo de revista:D; IM
[Da] Data de entrada para processamento:170706
[St] Status:MEDLINE


  8 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28650791
[Au] Autor:Hasija P; Sachdev V; Mathur S; Rath R
[Ti] Título:Deproteinizing Agents as an Effective Enamel Bond Enhancer-An in Vitro Study.
[So] Source:J Clin Pediatr Dent;41(4):280-283, 2017.
[Is] ISSN:1053-4628
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVE: The aim of this study was to compare the effect of different deproteinizing agents on shear bond strength of composite to primary teeth enamel. STUDY DESIGN: Forty sound primary molars divided in 4 groups of 10 teeth each. In control group 1, enamel was etched for 60 seconds with 37% phosphoric acid and rinsed with water. Group 2: after acid etching deproteinizing agent 5 % sodium hypochlorite was applied for 60 seconds and rinsed. Group 3: after acid etching deproteinizing agent papain gel was applied for 60 seconds and rinsed. Group 4: after acid etching deproteinizing agent bromelain gel applied for 60 seconds and rinsed. Following this, bonding agent was applied to treated enamel surface and composite resin disc were build. Samples were then tested for shear bond strength using Universal Testing Machine. RESULTS: Mean SBS was highest for group 4 and lowest for group 1. No statistically significant difference (p value >0.05) was found between all the four groups. CONCLUSION: Among deproteinizing agents, deproteinization when carried out with bromelain gel and sodium hypochlorite showed effective bond strength as compared to papain.
[Mh] Termos MeSH primário: Ataque Ácido Dentário/métodos
Bromelaínas/farmacologia
Colagem Dentária/métodos
Papaína/farmacologia
Ácidos Fosfóricos/farmacologia
Hipoclorito de Sódio/farmacologia
[Mh] Termos MeSH secundário: Seres Humanos
Resistência ao Cisalhamento
[Pt] Tipo de publicação:COMPARATIVE STUDY; CONTROLLED CLINICAL TRIAL; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Phosphoric Acids); 9001-00-7 (Bromelains); DY38VHM5OD (Sodium Hypochlorite); EC 3.4.22.2 (Papain)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170914
[Lr] Data última revisão:
170914
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:170627
[St] Status:MEDLINE
[do] DOI:10.17796/1053-4628-41.4.280


  9 / 4150 MEDLINE  
              first record previous record next record last record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28628976
[Au] Autor:Chong GG; He YC; Liu QX; Kou XQ; Huang XJ; Di JH; Ma CL
[Ad] Endereço:Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou, China.
[Ti] Título:Effective enzymatic in situ saccharification of bamboo shoot shell pretreated by dilute alkalic salts sodium hypochlorite/sodium sulfide pretreatment under the autoclave system.
[So] Source:Bioresour Technol;241:726-734, 2017 Oct.
[Is] ISSN:1873-2976
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:In this study, dilute alkali salts (0.6% NaClO, 0.067% Na S) pretreatment at 10% sulfidity under the autoclave system at 120°C for 40min was used for pretreating bamboo shoot shell (BSS). Furthermore, FT-IR, XRD and SEM were employed to characterize the changes in the cellulose structural characteristics (porosity, morphology, and crystallinity) of the pretreated BSS solid residue. After 72h, the reducing sugars and glucose from the enzymatic in situ hydrolysis of 50g/L pretreated BSS in dilute NaClO/Na S media could be obtained at 31.11 and 20.32g/L, respectively. Finally, the obtained BSS-hydrolysates containing alkalic salt NaClO/Na S resulted in slightly negative effects on the ethanol production. Glucose in BSS-hydrolysates was fermented from 20.0 to 0.17g/L within 48h, and an ethanol yield of 0.41g/g glucose, which represents 80.1% of the theoretical yield, was obtained. This study provided an effective strategy for potential utilization of BSS.
[Mh] Termos MeSH primário: Hipoclorito de Sódio
Sulfetos
[Mh] Termos MeSH secundário: Celulase
Etanol
Fermentação
Hidrólise
Ácido Hipocloroso
Espectroscopia de Infravermelho com Transformada de Fourier
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Sulfides); 3K9958V90M (Ethanol); 712K4CDC10 (Hypochlorous Acid); DY38VHM5OD (Sodium Hypochlorite); EC 3.2.1.4 (Cellulase); YGR27ZW0Y7 (sodium sulfide)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170621
[St] Status:MEDLINE


  10 / 4150 MEDLINE  
              first record previous record
seleciona
para imprimir
Fotocópia
Texto completo
[PMID]:28531182
[Au] Autor:Gallandat K; Lantagne D
[Ad] Endereço:Department of Civil and Environmental Engineering, Tufts University, Medford, Massachusetts, United States of America.
[Ti] Título:Selection of a Biosafety Level 1 (BSL-1) surrogate to evaluate surface disinfection efficacy in Ebola outbreaks: Comparison of four bacteriophages.
[So] Source:PLoS One;12(5):e0177943, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The 2014 West African Ebola virus disease outbreak was the largest to date, and conflicting, chlorine-based surface disinfection protocols to interrupt disease transmission were recommended. We identified only one study documenting surface disinfection efficacy against the Ebola virus, showing a >6.6 log reduction after 5-minute exposure to 0.5% sodium hypochlorite (NaOCl) based on small-scale tests (Cook et al. (2015)). In preparation for future extensive, large-scale disinfection efficacy experiments, we replicated the Cook et al. experiment using four potential BSL-1 surrogates selected based on similarities to the Ebola virus: bacteriophages MS2, M13, Phi6, and PR772. Each bacteriophage was exposed to 0.1% and 0.5% NaOCl for 1, 5, and 10 minutes on stainless steel. MS2 and M13 were only reduced by 3.4 log and 3.5 log after a 10-minute exposure to 0.5% NaOCl, and would be overly conservative surrogates. Conversely, PR772 was too easily inactivated for surrogate use, as it was reduced by >4.8 log after only 1-minute exposure to 0.5% NaOCl. Phi6 was slightly more resistant than the Ebola virus, with 4.1 log reduction after a 5-minute exposure and not detected after a 10-minute exposure to 0.5% NaOCl. We therefore recommend Phi6 as a surrogate for evaluating the efficacy of chlorine-based surface disinfectants against the Ebola virus.
[Mh] Termos MeSH primário: Bacteriófagos/efeitos dos fármacos
Desinfetantes/farmacologia
Doença pelo Vírus Ebola/prevenção & controle
Hipoclorito de Sódio/farmacologia
[Mh] Termos MeSH secundário: Surtos de Doenças
Desinfecção/métodos
Relação Dose-Resposta a Droga
Seres Humanos
Modelos Biológicos
Fatores de Tempo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Disinfectants); DY38VHM5OD (Sodium Hypochlorite)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170908
[Lr] Data última revisão:
170908
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170523
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0177943



página 1 de 415 ir para página                         
   


Refinar a pesquisa
  Base de dados : MEDLINE Formulário avançado   

    Pesquisar no campo  
1  
2
3
 
           



Search engine: iAH v2.6 powered by WWWISIS

BIREME/OPAS/OMS - Centro Latino-Americano e do Caribe de Informação em Ciências da Saúde