hydrogen sulfide/carie dentară

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Hydrogen Sulfide-Synthesizing Enzymes Are Altered in a Case of Oral Cavity Mucoepidermoid Carcinoma.

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Mucoepidermoid carcinoma (MEC) is the most common malignant epithelial neoplasm of the salivary glands. MECs of the mouth floor are rare, with only a few cases reported. Here we report a MEC of the mouth floor in a 55-year-old woman. Since several studies have shown that hydrogen sulfide

[The effect of Matsesta from hydrogen sulfide water on leukocyte migration into the oral cavity].

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Hydrogen Sulfide Specifically Alters NAD(P)H Quinone Dehydrogenase 1 (NQO1) Olfactory Neurons in the Rat.

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The regions of the olfactory epithelium affected by hydrogen sulfide (H2S) toxicity in the rat present a striking similarity with the developmental olfactory zone 1 described in the mouse. This zone which is the only region containing neurons expressing NAD(P)H quinone dehydrogenase 1 (NQO1) is

Hydrogen Sulfide, Oxidative Stress and Periodontal Diseases: A Concise Review.

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In the past years, biomedical research has recognized hydrogen sulfide (H₂S) not only as an environmental pollutant but also, along with nitric oxide and carbon monoxide, as an important biological gastransmitter with paramount roles in health and disease. Current research focuses on several aspects

Olfactory neuron loss in adult male CD rats following subchronic inhalation exposure to hydrogen sulfide.

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Dysosmia and anosmia are reported to occur following human exposure to hydrogen sulfide (H2S) gas. The clinical association between H2S exposure and olfactory dysfunction in humans necessitates evaluation of the nasal cavity and olfactory system in experimental animals used to study H2S toxicity.

The detection and quantification, in vivo and in real time, of hydrogen sulfide in ethanol-induced lesions in rat stomachs using an ion sensitive electrode.

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BACKGROUND The development of electrochemical sensors for the detection of small molecules has already had a significant effect on the study of biology because of their selectivity and ability to measure low concentrations of small molecules that regulate various functions in living organisms.

[Analysis of volatile sulfur compounds production of oral cavity in preschool children and influencing factors].

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OBJECTIVE To investigate the prevalence of volatile sulfur compounds(VSC) in oral cavity of preschool children, and to analyze related factors, thus to provide scientific basis for the prediction and treatment of halitosis. METHODS The VSC content (hydrogen sulfide, methyl mercaptan, dimethyl

Stem Cell Therapy and Hydrogen Sulfide: Conventional or Nonconventional Mechanisms of Action?

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Hydrogen sulfide (H2S) has many beneficial biological properties, including the ability to promote vasodilation. It has been shown to be released from stem cells and increased by hypoxia. Therefore, H2S may be an important paracrine factor in stem cell mediated intestinal protection.

Mobile measurement of methane and hydrogen sulfide at natural gas production site fence lines in the Texas Barnett Shale.

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Production of natural gas from shale formations is bringing drilling and production operations to regions of the United States that have seen little or no similar activity in the past, which has generated considerable interest in potential environmental impacts. This study focused on the Barnett

Enamel surface changes caused by hydrogen sulfide.

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BACKGROUND Volatile sulfur compounds (VSCs) produced inside the mouth are a well-known cause of halitosis. Recent studies have suggested that VSCs modify the pathology of periodontitis by encouraging the migration of bacterial toxins associated with increased permeability of gingival epithelia, and

Continuous Hydrogen Sulfide gas monitoring during laparoscopic or robotic surgery cannot be used a means to detect bowel injury intraoperatively using the PortaSens II Portable Gas Leak Detector Model C16 detector.

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STUDY OBJECTIVE

To determine the feasibility of measuring hydrogen sulfide (H₂S) gas in the insufflated abdomen during laparoscopic surgery after transmural bowel injury as a marker of unrecognized bowel injuries.

DESIGN

This is a feasibility

Note: An analyzer for field detection of H2S by using cavity ring-down at 1.57 μm.

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A prototype analyzer for the detection of hydrogen sulfide (H2S), based on cavity ring-down spectroscopy, is described. The device exploits, whenever possible, optical fibers, in order to simplify the alignment and to improve the stability. A trade-off between low detection level and simplicity has

Fluorescent Probe Encapsulated in SNAP-Tag Protein Cavity To Eliminate Nonspecific Fluorescence and Increase Detection Sensitivity.

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Despite the promising improvements made recently on fluorescence probes for the detection of enzymes and reactive small molecules, two fundamental problems remain: weaker fluorescence of many dyes in aqueous buffers and strong nonspecific signals in samples containing high protein levels. In this

Application of a ring cavity surface emitting quantum cascade laser (RCSE-QCL) on the measurement of H₂S in a CH₄ matrix for process analytics.

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The present work reports on the first application of a ring-cavity-surface-emitting quantum-cascade laser (RCSE-QCL) for sensitive gas measurements. RCSE-QCLs are promising candidates for optical gas-sensing due to their single-mode, mode-hop-free and narrow-band emission characteristics along with

[Hydrogen sulfide stimulates the development of rat glioblastoma].

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OBJECTIVE To address the hypothesis that hydrogen sulfide (H(2)S) is a functionally significant stimulator in the development of glioblastoma (GBM) and explore the mechanism of stimulation. METHODS Forty adult Sprague-Dawley (SD) rats were given intracerebral injection of rat C6 glioma cell

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hydrogen sulfide/carie dentară

Hydrogen Sulfide-Synthesizing Enzymes Are Altered in a Case of Oral Cavity Mucoepidermoid Carcinoma.

[The effect of Matsesta from hydrogen sulfide water on leukocyte migration into the oral cavity].

Hydrogen Sulfide Specifically Alters NAD(P)H Quinone Dehydrogenase 1 (NQO1) Olfactory Neurons in the Rat.

Hydrogen Sulfide, Oxidative Stress and Periodontal Diseases: A Concise Review.

Olfactory neuron loss in adult male CD rats following subchronic inhalation exposure to hydrogen sulfide.

The detection and quantification, in vivo and in real time, of hydrogen sulfide in ethanol-induced lesions in rat stomachs using an ion sensitive electrode.

[Analysis of volatile sulfur compounds production of oral cavity in preschool children and influencing factors].

Stem Cell Therapy and Hydrogen Sulfide: Conventional or Nonconventional Mechanisms of Action?

Mobile measurement of methane and hydrogen sulfide at natural gas production site fence lines in the Texas Barnett Shale.

Enamel surface changes caused by hydrogen sulfide.

Continuous Hydrogen Sulfide gas monitoring during laparoscopic or robotic surgery cannot be used a means to detect bowel injury intraoperatively using the PortaSens II Portable Gas Leak Detector Model C16 detector.

Note: An analyzer for field detection of H2S by using cavity ring-down at 1.57 μm.

Fluorescent Probe Encapsulated in SNAP-Tag Protein Cavity To Eliminate Nonspecific Fluorescence and Increase Detection Sensitivity.

Application of a ring cavity surface emitting quantum cascade laser (RCSE-QCL) on the measurement of H2S in a CH4 matrix for process analytics.

[Hydrogen sulfide stimulates the development of rat glioblastoma].

Cea mai completă bază de date cu plante medicinale susținută de știință

Application of a ring cavity surface emitting quantum cascade laser (RCSE-QCL) on the measurement of H₂S in a CH₄ matrix for process analytics.