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Metagenomic analysis of bacterial species in tongue ...

Mar 13, 2020 · Cigarette smoking is associated with many oral diseases such as periodontitis and oral cancer 1. The oral microbiome are reported to play a vital …

Disrupted tongue microbiota and detection of …

Aspiration or ingestion of these bacteria might be associated with poorer outcome of allo-HSCT recipients. However, the major cause of mortality was progressive diseases, and no patient died of the complications associated with detected Staphylococcus haemolyticus or Ralstonia pickettii in the present study. The incidence of bacteremia until ...

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Alterations in oral bacterial communities are associated ...

Dec 15, 2017 · Oral squamous cell carcinomas are a major cause of morbidity and mortality, and tobacco usage, alcohol consumption, and poor oral hygiene are established risk factors. To date, no …

Cited by: 12

Validity and reliability of test strips for the ...

Salivary NO 3 − and NO 2 − concentrations were measured at baseline and up to 5 h after BJ consumption using the gold-standard chemiluminescence and a colorimetric Griess assay. In addition, two salivary test strips (Berkeley Test strips, CA, USA) were used to measure NO 2 − concentrations at the same time points. Five observers read the strips and inter- and intra-observer reliability was …

Author: Abrar M. Babateen, Abrar M. Babateen, Oliver M. Shannon, John C. Mathers, Mario Siervo, Mario Siervo

Simultaneous determination of organophosphorus residues …

Mar 23, 2020 · A simple analytical method was developed and validated, as per SANTE 2017 guidelines, for simultaneous determination of 10 organophosphorus residues i…

Engineering bacteria for diagnostic and therapeutic ...

Feb 05, 2018 · Advances in synthetic biology allow the generation of ever more sophisticated engineered bacteria. In this Review, Riglar and Silver showcase recent highlights in …

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Tracking antibiotic resistance gene pollution from ...

May 24, 2018 · Antimicrobial resistance (AMR) has been a worldwide public health concern. Current widespread AMR pollution has posed a big challenge in accurately disentangling source-sink relationship, which has been further confounded by point and non-point sources, as well as endogenous and exogenous cross-reactivity under complicated environmental conditions. Because of insufficient …

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A comparative study of mesophilic and thermophilic ...

The TS content was determined by oven drying the samples at 105 °C until there was no further loss of mass. The VTS content was determined by combusting the oven-dried samples in a muffle furnace (TMF 5 T; THOMAS, Tokyo, Japan) at 600 °C for 2 h.

Author: Zong-Lin Wu, Zhi Lin, Zhao-Yong Sun, Min Gou, Zi-Yuan Xia, Yue-Qin Tang

The Exopolysaccharide Matrix ... - PubMed Central (PMC)

Apr 05, 2012 · We found unique islets of bacteria within these biofilms, particularly close to the tooth-surface, providing safe havens in which bacteria thrive and produce acids that erode teeth. One intriguing mystery is why acids accumulate on the tooth-surface when there is an abundance of neutral-pH saliva surrounding the teeth.

Cited by: 294

Reduction of viable bacteria in dentinal tubules treated ...

Results. Z-Mix obviously diffused into dentinal tubules and the root apex, compared to the 3Mix-MP (P < 0.05).Fluorescence staining demonstrated a reduction of viable bacteria at 100 μm and 500 μm below infected cavities after treatment with Z-mix or CHX for 48 hours.

Mouthwash use and risk of diabetes | British Dental Journal

Nov 23, 2018 · The proposed mechanism to explain this is that mouthwash has antibacterial effects in the oral cavity, yet oral bacteria play an important role in the salivary nitrate-nitrite-nitric oxide pathway ...

Cited by: 3

Detection of Respiratory Viruses by Molecular Methods

CPE consistent with influenza virus can be visualized by light microscopy but is variable depending on cell types ( 12 ). The disadvantage of tube cultures is the time needed to obtain a positive result, usually 4 to 5 days but in some cases as long as 10 to 14 days ( 159 ). Neither tube culture nor SVC,...

Cited by: 473

Thermo Scientific | Thermo Fisher Scientific - US

Thermo Scientific products help scientists around the world meet the challenges they face every day. From routine analysis to pioneering discoveries, our innovations help scientists solve complex analytical challenges, empowering them to conduct the work they need to do, the way they want to do it.

Biodiversity of Vibrios | Microbiology and Molecular ...

Sep 01, 2004 · Vibrios are ubiquitous and abundant in the aquatic environment. A high abundance of vibrios is also detected in tissues and/or organs of various marine algae and animals, e.g., abalones, bivalves, corals, fish, shrimp, sponges, squid, and zooplankton. Vibrios harbour a wealth of diverse genomes as revealed by different genomic techniques including amplified fragment length …

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Insight into the microbiology of nitrogen cycle in the ...

The reduction of NO 2 − to NO (NO 2 − → NO) by nitrite reductase is the crucial step for denitrification because it marks the first gas-formation step in this process (And & Tomlinson, 1988). NO is transformed to N 2 O by nitric oxide reductase (Zumft, 1997).

Author: Xiao-Zhong Zhong, Yan zeng, Shi-Peng Wang, Zhao-Yong Sun, Yue-Qin Tang, Kenji Kida

Liposomes as vaccine delivery systems: a review of the ...

Jul 11, 2014 · Figure 1. Mechanisms by which nanoparticles alter the induction of immune responses. The immunostimulatory activity of nanocarriers such as liposomes, archaeosomes and virosomes depends on diverse mechanisms: antigen delivery, particle size-dependent tissue penetration and access to the lymphatics (a); depot effects, promoting persistence, stability, conformational integrity and …

Cited by: 250

Environmental DNA reveals seasonal shifts and potential ...

Jan 14, 2020 · Environmental DNA (eDNA) analysis allows the simultaneous examination of organisms across multiple trophic levels and domains of life, providing critical information about the complex biotic ...

Author: Anni Djurhuus, Collin J. Closek, Ryan P. Kelly, Kathleen J. Pitz, Reiko P. Michisaki, Hilary A. Star...

Impact of Drinking Water Quality on the Development of ...

Nov 14, 2018 · In East Asian countries including Korea, Japan, and Taiwan, HFMD, AM, and AHC are predominantly found during summer and early fall [4,5,6,7,8]. The seasonality of these enteroviral diseases suggests that meteorological variables and water quality parameters might influence the spread and distribution of enteroviruses [9,10].

Simultaneous removal of nitrate, phosphorous and cadmium ...

Afterwards, the solution was heated in a muffle furnace at 95.0 °C for 12 h, then the nitrogen was introduced into the muffle furnace and the mixture was heated to 500.0 °C at a heating rate of 10 °C·min −1 for 0.5 h. FCPC material was obtained after washing three times with deionized water.

Chinese Society of Allergy Guidelines for Diagnosis and ...

Jun 18, 2018 · 1.1 Chinese Guideline for allergic rhinitis (AR) workshop. To date, several international guidelines are available for the diagnosis and treatment of AR, in different parts of the world. 1,2,3,4,5,6,7,8,9 Of these, 7 have been written by specialist groups from Europe, UK, USA, Canada, Japan and Australia for the management of AR patients from the respective countries, whereas 2 …

Cited by: 12

AIM at Melanoma - Reshaping the Future Together

AIM at Melanoma is globally engaged and locally invested in advancing the battle against melanoma through innovative research, legislative reform, education, and patient and caregiver support.

Free Access to Scientific Journals - Open Access Journals

Open Access journals are the major source of knowledge for young and aspiring generations who are keen in pursuing a career in sciences. This system provides easy access to networks of scientific journals.Authors that contribute their scholarly works to Open Access journals gain remarkable reputation as the research scholarly explore these works extensively.

Reduced susceptibility to chlorhexidine in staphylococci ...

Introduction

Stable mutants of restriction-deficient/modification ...

The fact that no colonies obtained from RM125 was consistent with the lack of homologous genome regions for gene knockout, as shown in Supplementary Fig. S2. A representative transformant from 1012 was named BEST9405. BEST9405 exhibited r − phenotype, restriction-deficient, by the protocol for restriction phenotyping.

AIM at Melanoma - Reshaping the Future Together

AIM at Melanoma is globally engaged and locally invested in advancing the battle against melanoma through innovative research, legislative reform, education, and patient and caregiver support.

Dysbiosis of Salivary Microbiota in Inflammatory Bowel ...

The oral cavity is a large reservoir of bacteria of >700 species or phylotypes, and is profoundly relevant to host health and disease. 11–14 Current studies reported that various oral symptoms such as aphthous stomatitis, oral ulcer, dry mouth, and pyostomatitis vegetans are frequently observed in inflammatory bowel disease (IBD) patients. 15 ...

IJERPH | Free Full-Text | Enhanced Simultaneous Nitrogen ...

The cross-section morphology of samples was observed using a S4800 scanning electron microscope (Hitachi, Japan). Concentrations of COD, TN, NH 4 +-N, NO 3 −-N, NO 2 −-N and TP were measured according to “Standard Methods for the Examination of Water and Wastewater” (APHA, 2012). All assays were performed in triplicate.

Effects of Non-Starch Polysaccharides on Inflammatory ...

Effects of Non-Starch Polysaccharides on Inflammatory Bowel Disease Article (PDF Available) in International Journal of Molecular Sciences 18(7):1372 · June …

Clinical Practice Guidelines for Diagnosis and Management ...

Jan 24, 2018 · The main tests include chest imaging, induced-sputum cytology, spirometry, the bronchial provocation test, fractional exhaled nitric oxide (FeNO) measurement, and 24-h esophageal pH-multi-channel impedance monitoring. (I) Imaging: chest radiographs …

(PDF) ffffffff - ResearchGate

Beer's law is obeyed in the concentration range of 4-24 g mL-1 with apparent molar absorptivity of 1.52 × 10 4 L mol-1 cm-1 and Sandell's sensitivity of 0.033 g/cm 2 / 0.001 absorbance unit.

An attenuated Shigella mutant lacking the RNA-binding ...

Author summary An ideal vaccine should show a broad range of protective efficacy against all serotypes of a particular pathogen. Variations in the structural lipopolysaccharide “O”-antigen mean that it is difficult to induce protection against multiple serotype Shigella strains using a single serotype immunogen. Here, we examined vaccination effects of an attenuated S. flexneri hfq mutant ...

Coenzyme Q-10 - RxList

Coenzyme Q-10 deficiency.Taking coenzyme Q-10 by mouth seems to improve symptoms of coenzyme Q-10 deficiency. This is a very rare condition.The symptoms include weakness, fatigue, and seizures. Inherited or acquired disorders that limit energy production in the cells of the body (mitochondrial disorders).

Semantic Scholar | AI-Powered Research Tool

Download the COVID-19 Open Research Dataset, an extensive machine-readable full text resource of scientific literature with tens of thousands of articles about coronavirus. Stay on top of the latest coronavirus research with an AI-powered adaptive research feed, a free service from Semantic Scholar ...

CENTER FOR DRUG EVALUATION AND RESEARCH

reviewer: l. s. leshin nda 22-395 1 department of health and human services public health service food and drug administration center for drug evaluation and research

Home | Applied and Environmental Microbiology

Bacteria play important roles in mineral weathering and soil formation, although the molecular mechanisms underlying the interactions between bacteria and silicate minerals are poorly understood. In this study, the interactions between biotite and the highly effective mineral-weathering bacterium P. azotoformans F77 were characterized.

Low-Residue and Low-Fiber Diets in Gastrointestinal ...

Until now, no clear definition has been proposed for a low-residue diet. Cunningham described that all foods produce some gastrointestinal residue, as does normal gastrointestinal function, and fiber-containing foods produce the bulk of the gastrointestinal residue. In addition, no clear definition has been provided for a low-fiber diet.

HiMedia Leading BioSciences Company

One of the major developments in microbiology was Robert Koch’s use of a solid culture medium on which bacteria would grow. Bacteria must meet certain nutritional requirements in order to grow. Culture Media Bases or raw materials are the basic ingredients of any culture media manufactured and supplied by HiMedia.

Efficacy of a polyvalent immersion vaccine against ...

Rainbow trout fry syndrome (RTFS) is a disease caused by the Gram-negative bacterium Flavobacterium psychrophilum, responsible for significant economic losses in salmonid aquaculture worldwide. The diversity of F. psychrophilum isolates and the inherent difficulties in vaccinating juvenile fish has hampered the development of a vaccine for RTFS.

Codeine | C18H21NO3 - PubChem

Codeine is one of the natural plant alkaloids found in extracts of opium and is commonly used to treat mild-to-moderate pain and cough. Codeine, like other opioids, has not been linked to serum enzyme elevations during therapy or to clinically apparent liver injury.

Gonorrhea Treatment & Management: Approach …

Sep 07, 2018 · In addition, United States gonococcal strains with elevated MICs to cefixime also are likely to be resistant to tetracyclines but susceptible to azithromycin. Consequently, only 1 regimen, dual treatment with ceftriaxone and azithromycin, is recommended for treatment of gonorrhea in the United States.

21 CFR Ch. I (4-1-01 Edition) Food and Drug Administration ...

There are no restrictions on the republication of material appearing in the Code of Federal Regulations. INQUIRIES. For a legal interpretation or explanation of any regulation in this volume, contact the issuing agency. The issuing agency's name appears at the top of odd-numbered pages.

Urine Specimen Collection - BD

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Arsenic Binding to Proteins | Chemical Reviews

Arsenic is a trace element found in the earth’s crust at an average concentration of ∼5 μg/g (ppm). Although its relative abundance in the earth’s crust is about 54th, arsenic can become concentrated in some parts of the world because of natural mineralization.

TOXICOLOGICAL PROFILE FOR NAPHTHALENE, 1-METHYLNAPHTHALENE ...

1-METHYLNAPHTHALENE, AND 2-METHYLNAPHTHALENE IN THE UNITED STATES Naphthalene and methylnaphthalenes occur naturally in fossil fuels such as petroleum and coal, and are produced when organic materials (e.g., fossil fuels, wood, tobacco) are burned. Naphthalene is also produced commercially from either coal tar or petroleum.

Effects of the nitric oxide releasing biomimetic ...

Successful disinfection alongside complete endodontic tissue regeneration and revascularization are the most desired clinical outcomes of regenerative endodontics. Despite reported clinical successes, significant limitations to the current regenerative endodontic procedure (REP) have been elucidated. To improve the current REP, an antibiotics and nitric oxide (NO) releasing biomimetic ...

Maculotoxin | C11H17N3O8 - PubChem

Tetrodotoxin is a neurotoxin with potential analgesic activity. Tetrodotoxin binds to the pores of fast voltage-gated fast sodium channels in nerve cell membranes, inhibiting nerve action potentials and blocking nerve transmission. Although found in various species of fish (such as the pufferfish), newts, frogs, flatworms, and crabs, tetrodotoxin, for which there is no known antidote, is ...

Dynamic Human Environmental Exposome Revealed by ...

Sep 20, 2018 · (A) The stability test of cowpea mosaic virus 2 (CPMV2) viral particles (1000 copies) in solution or loaded on a filter with 0.5L/min flow in the device for up to 6 days at room temperature. Viral particles in PBS solution outperforms those on filter, but no obvious decay of signal was observed in either case over the time course of six days.

Cariogenic potential of sweet flavors in electronic ...

Background Most electronic-cigarette liquids contain propylene glycol, glycerin, nicotine and a wide variety of flavors of which many are sweet. Sweet flavors are classified as saccharides, esters, acids or aldehydes. This study investigates changes in cariogenic potential when tooth surfaces are exposed to e-cigarette aerosols generated from well-characterized reference e-liquids with sweet ...

A Robust Framework for Microbial Archaeology | Annual ...

Microbial archaeology is flourishing in the era of high-throughput sequencing, revealing the agents behind devastating historical plagues, identifying the cryptic movements of pathogens in prehistory, and reconstructing the ancestral microbiota of humans. Here, we introduce the fundamental concepts and theoretical framework of the discipline, then discuss applied methodologies for pathogen ...

House Dust Concentrations of Organophosphate Flame ...

However, in the past several years, common PBDE mixtures (i.e., pentaBDE and octaBDE) have been banned or voluntarily phased out in the United States and many parts of the world because of their persistence, bioaccumulation, and evidence for adverse health effects including endocrine disruption and altered fetal development (Meeker et al. 2009a ...

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