Tablets containing a cysteine protease, actinidine, reduce oral malodor: a crossover study.

abstract：:The forehead was studied as a possible sampling site for capturing changes in volatile organic compound (VOC) profiles associated with psychological-stress. Skin-VOCs were sampled with a polydimethylsilicone (PDMS)-coupon and the resulting VOCs were recovered and analysed with two-stage thermal desorption gas chromato...

journal_title：Journal of breath research

authors： Martin HJ,Turner MA,Bandelow S,Edwards L,Riazanskaia S,Thomas CL

更新日期：2016-11-21 00:00:00

abstract：:The results of experiments are described in which a known quantity of sterile deuterated water is injected directly into the pulmonary circulation via the right internal jugular vein of several haemodialysis patients and the deuterium to hydrogen ratio, D/H, in the exhaled lung water was measured using the flowing aft...

journal_title：Journal of breath research

authors： Tan BK,Davies SJ,Spaněl P,Smith D

更新日期：2012-09-01 00:00:00

abstract：:A point-of-care, non-invasive, low-cost and sensitive nano-biodiagnostic is needed in today's age for rapid and accurate self-diagnosis as well as for the management of asthma, which is advantageous for low resource areas where asthma is prevalent. The objective of this research work was to prepare the miniature, nano...

journal_title：Journal of breath research

authors： Shende P,Vaidya J,Kulkarni YA

更新日期：2019-06-25 00:00:00

abstract：:The design, realization and testing of a CO(2)-triggered breath sampler, capable of a separate collection of dead space and end-tidal air on multiple breaths, is presented. This sampling procedure has advantages in terms of the sample volume, insights regarding the origin of compounds, increased reproducibility and hi...

journal_title：Journal of breath research

authors： Di Francesco F,Loccioni C,Fioravanti M,Russo A,Pioggia G,Ferro M,Roehrer I,Tabucchi S,Onor M

更新日期：2008-09-01 00:00:00

abstract：BACKGROUND:Chronic obstructive pulmonary disease (COPD) is a highly heterogeneous disease and airflow limitation and symptoms only partially capture such heterogeneity. Since COPD is known to affect the production of volatile organic compounds (VOCs), we aimed to verify to which extent exhaled VOCs can characterize new...

journal_title：Journal of breath research

authors： Scarlata S,Finamore P,Santangelo S,Giannunzio G,Pennazza G,Grasso S,Santonico M,Incalzi RA

更新日期：2018-06-08 00:00:00

abstract：:Breath gas analysis provides insight into human metabolism of healthy and ill individuals. As an innovative and non-invasive method, it opens up options to improve diagnostics, monitoring and treatment decisions. Mid-infrared laser absorption spectroscopy is utilized to detect CH(4), H(2)O, CO(2), NH(3) and CH(3)OH in...

journal_title：Journal of breath research

authors： Hannemann M,Antufjew A,Borgmann K,Hempel F,Ittermann T,Welzel S,Weltmann KD,Völzke H,Röpcke J

更新日期：2011-06-01 00:00:00

abstract：:Fractional exhaled NO (FeNO) is universally considered an indirect marker of eosinophilic airways inflammation, playing an important role in the physiopathology of childhood asthma. Advances in technology and standardization have allowed a wider use of FeNO in clinical practice in children from the age of four years. ...

journal_title：Journal of breath research

authors： Piacentini GL,Cattazzo E,Tezza G,Peroni DG

更新日期：2012-06-01 00:00:00

abstract：:Arterial lactate concentrations, taken as indicators of physical fitness, in athletes as well as in patients with cardio-respiratory or metabolic diseases, are measured invasively from arterialized ear lobe blood. Currently developed micro enzyme detectors permit a non-invasive measurement of hypoxia-related metabolit...

journal_title：Journal of breath research

authors： Marek EM,Volke J,Hawener I,Platen P,Mückenhoff K,Marek W

更新日期：2010-03-01 00:00:00

abstract：:In the current pilot study we aimed to determine whether breath analysis could be used to help recognise intra-abdominal infection, using acute appendicitis as an exemplar condition. Our study included 53 patients (aged 18-88 years) divided into three groups: appendix group, 26 (13 male) patients suffering from acute ...

journal_title：Journal of breath research

authors： Andrews BT,Das P,Denzer W,Ritchie GA,Peverall R,Hamade AM,Hancock G

更新日期：2020-10-22 00:00:00

abstract：:To investigate the premise that levels of endogenous volatile organic compounds (VOC) in breath reflect those in blood, the concentration of acetone and isoprene were measured in radial arterial blood, peripheral venous blood and breath samples from ten healthy volunteers. Coefficients of repeatability as a percentage...

journal_title：Journal of breath research

authors： O'Hara ME,Clutton-Brock TH,Green S,Mayhew CA

更新日期：2009-06-01 00:00:00

abstract：:There is much clinical interest in the development of a low-cost and reliable test for diagnosing inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS), two very distinct diseases that can present with similar symptoms. The assessment of stool samples for the diagnosis of gastro-intestinal diseases is in...

journal_title：Journal of breath research

authors： Shepherd SF,McGuire ND,de Lacy Costello BP,Ewen RJ,Jayasena DH,Vaughan K,Ahmed I,Probert CS,Ratcliffe NM

更新日期：2014-06-01 00:00:00

abstract：:The haloamines, including the chloramines (H(2)NCl, HNCl(2)) and bromamine (H(2)NBr), are diffusible gases that are likely to be produced during inflammation and so may be present as markers of lung inflammation on breath. Although haloamines are quite reactive, it is possible to measure these compounds in humid sampl...

journal_title：Journal of breath research

authors： Storer MK,Dummer JD,Cook J,McEwan M,Epton MJ

更新日期：2011-09-01 00:00:00

abstract：:Due to its high sensitivity, compact size and low cost ion mobility spectrometry (IMS) has the potential to become a point-of-care breath analyzer. Therefore, we developed a prototype of a compact, closed gas loop IMS with gas chromatographic (GC) pre-separation and high resolving power of R  =  90. In this study, we ...

journal_title：Journal of breath research

authors： Allers M,Langejuergen J,Gaida A,Holz O,Schuchardt S,Hohlfeld JM,Zimmermann S

更新日期：2016-04-08 00:00:00

abstract：:Selected volatile organic compounds (VOCs) in breath may be considered biomarkers if they are indicative of distinct diseases or disease states. Given the inherent molecular selectivity of vibrational spectroscopy, infrared sensing technologies appear ideally suitable for the determination of endogenous VOCs in breath...

journal_title：Journal of breath research

authors： Perez-Guaita D,Kokoric V,Wilk A,Garrigues S,Mizaikoff B

更新日期：2014-06-01 00:00:00

abstract：:Exhaled breath condensate (EBC) is increasingly being used as a non-invasive method for disease diagnosis and environmental exposure assessment. We previously detected the nucleic acids of bacterial pathogens in EBC. Influenza viruses can be transmitted through aerosols during coughing and exhaling. Existing detection...

journal_title：Journal of breath research

authors： Li X,Wang M,Chen J,Lin F,Wang W

更新日期：2021-01-12 00:00:00

abstract：:Microbial cultures and/or microbial associated diseases often have a characteristic smell. Volatile organic compounds (VOCs) are produced by all microorganisms as part of their normal metabolism. The types and classes of VOC produced is wide, including fatty acids and their derivatives (e.g. hydrocarbons, aliphatic al...

journal_title：Journal of breath research

authors： Thorn RM,Greenman J

更新日期：2012-06-01 00:00:00

abstract：:Despite recent progress in Critical Care Medicine, sepsis is still a major medical problem with a high rate of mortality and morbidity especially in intensive care units. Oxidative stress induced by inflammation associated with sepsis causes degradation of heme protein, increases microsomal free heme content, promotes...

journal_title：Journal of breath research

authors： Morimatsu H,Takahashi T,Matsusaki T,Hayashi M,Matsumi J,Shimizu H,Matsumi M,Morita K

更新日期：2010-12-01 00:00:00

abstract：:The objective of this study is to evaluate tonsil odor as a contributor to halitosis and to study the reduction of oral malodor by mouth rinsing, without tonsil treatment. In 48 halitosis patients, tonsil odor and oral malodor were assessed through the 0-5 scale. In tonsil odor assessment, a dental burnisher was inser...

journal_title：Journal of breath research

authors： Talebian A,Tazhibi M,Iranpoor R,Semyari H,Taherzadeh M

更新日期：2008-03-01 00:00:00

abstract：:Exhaled air contains sub-micron droplets of lung liquid, which potentially bear biomarkers of lung diseases. After dehydration they form dry residue particles (DRPs). As a first step in developing techniques to characterize individual DRPs, a new electrostatic collector was designed in which DRPs are charged within a ...

journal_title：Journal of breath research

authors： Morozov VN,Mikheev AY

更新日期：2017-01-09 00:00:00

abstract：:Rodent and nonhuman primate studies indicate that developmental programming by reduced perinatal nutrition negatively impacts life course cardio-metabolic health. We have developed a baboon model in which we feed control mothers (CON) ad libitum while nutrient restricted mothers are fed 70% of ad libitum global feed i...

journal_title：Journal of breath research

authors： Bishop AC,Libardoni M,Choudary A,Misra B,Lange K,Bernal J,Nijland M,Li C,Olivier M,Nathanielsz PW,Cox LA

更新日期：2018-05-14 00:00:00

abstract：:There are many respiratory infections such as influenza that cause epidemics. These respiratory infection epidemics can be effectively prevented by determining the presence or absence of infections in patients using frequent tests. We think that self-diagnosis may be possible using a system that can collect and detect...

journal_title：Journal of breath research

authors： Takenaka K,Togashi S,Miyake R,Sakaguchi T,Hide M

更新日期：2016-07-22 00:00:00

abstract：:Exhaled nitric oxide (eNO) has been suggested to be a marker of small airway injury. We investigated the effects of different ventilation strategies on eNO. Sixty-nine patients who received elective open abdominal surgery under general anesthesia with more than 2 h of surgery duration were randomly divided into three ...

journal_title：Journal of breath research

authors： Cui Y,Pi X,Wang C,Liu S,Gong Y,Wang Y,Zhang F,Shi J,Lin Z,Zhang X,Li E

更新日期：2015-02-26 00:00:00

abstract：:Oxidative stress is associated with numerous health conditions and disorders, and aldehydes are known biomarkers of oxidative stress that can be non-invasively measured in exhaled human breath. Few studies report breath aldehyde levels in human populations, and none claim participant numbers in the hundreds or more. F...

journal_title：Journal of breath research

authors： McCartney MM,Thompson CJ,Klein LR,Ngo JH,Seibel JD,Fabia F,Simms LA,Borras E,Young BS,Lara J,Turnlund MW,Nguyen AP,Kenyon NJ,Davis CE

更新日期：2020-07-21 00:00:00

abstract：:Sugar malabsorption in the bowel can lead to bloating, cramps, diarrhea and other symptoms of irritable bowel syndrome as well as affecting absorption of other nutrients. The hydrogen breath test is now a well established noninvasive test for assessing malabsorption of sugars in the small intestine. However, there are...

journal_title：Journal of breath research

authors： de Lacy Costello BP,Ledochowski M,Ratcliffe NM

更新日期：2013-06-01 00:00:00

abstract：:Blood ammonia is routinely used in clinical settings to assess systemic ammonia in hepatic encephalopathy and urea cycle disorders. Despite its drawbacks, blood measurement is often used as a comparator in breath studies because it is a standard clinical test. We sought to evaluate sources of measurement error and pot...

journal_title：Journal of breath research

authors： Spacek LA,Mudalel M,Tittel F,Risby TH,Solga SF

更新日期：2015-12-14 00:00:00

abstract：:Aircraft engine exhaust increases the number concentration of nanoparticles (NP) in the surrounding environment. Health concerns related to NP raise the question of the exposure and health monitoring of airport workers. No biological monitoring study on this profession has been reported to date. The aim was to evaluat...

journal_title：Journal of breath research

authors： Marie-Desvergne C,Dubosson M,Touri L,Zimmermann E,Gaude-Môme M,Leclerc L,Durand C,Klerlein M,Molinari N,Vachier I,Chanez P,Mossuz VC

更新日期：2016-07-13 00:00:00

abstract：:Volatile organic compounds (VOCs) in exhaled breath originate from current or previous environmental exposures (exogenous compounds) and internal metabolic (anabolic and catabolic) production (endogenous compounds). The origins of certain VOCs in breath presumed to be endogenous have been proposed to be useful as prec...

journal_title：Journal of breath research

authors： Pleil JD,Stiegel MA,Risby TH

更新日期：2013-03-01 00:00:00

abstract：:Exhaled breath is coming to the forefront of non-invasive biomarker discovery efforts. Concentration of exhaled breath volatile organic compounds (VOCs) on thermal desorption (TD) tubes with subsequent analysis by gas chromatography-mass spectrometry (GC-MS) has dominated this field. As discovery experimentation incre...

journal_title：Journal of breath research

authors： Harshman SW,Mani N,Geier BA,Kwak J,Shepard P,Fan M,Sudberry GL,Mayes RS,Ott DK,Martin JA,Grigsby CC

更新日期：2016-10-12 00:00:00

abstract：:In this work, we present a hydrophilic self-cleaning condenser surface for the collection of biological and environmental aerosol samples. The condenser is installed in a battery-operated hand-held breath sampling device. The device performance is characterized by the collection and analysis of exhaled breath samples ...

journal_title：Journal of breath research

authors： Zamuruyev KO,Schmidt AJ,Borras E,McCartney MM,Schivo M,Kenyon NJ,Delplanque JP,Davis CE

更新日期：2018-06-08 00:00:00

abstract：BACKGROUND:The analysis of volatile organic compounds (VOCs) in breath allows non-invasive investigations of diseases. Animal studies are conducted as a model to perform research of VOCs and their relation to diseases. In large animal models ruminants were often used as experimental targets. The effect of their physiol...

journal_title：Journal of breath research

authors： Oertel P,Küntzel A,Reinhold P,Köhler H,Schubert JK,Kolb J,Miekisch W

更新日期：2018-05-14 00:00:00