Automated feedback control of an inhalation exposure system with discrete sampling intervals: testing, performance, and modeling.

abstract：OBJECTIVE:Worldwide popularity of waterpipe tobacco smoking has increased, including in pregnant women. This study investigates the effect of prenatal waterpipe tobacco smoke (WTS) exposure on airway inflammation in a murine model of asthma of adult offspring mice. MATERIALS AND METHODS:Pregnant BALB/c mice were expos...

journal_title：Inhalation toxicology

authors： Al-Sawalha NA,Al-Bo'ul HF,Alzoubi KH,Khabour OF,Thanawala VJ

更新日期：2017-07-01 00:00:00

abstract：:Studies have shown associations between acute ambient particulate matter (PM) levels and increases in morbidity and mortality from cardiovascular diseases. We have previously reported in 24 healthy adults that exposure to concentrated ambient particles plus ozone (CAP + O(3)) caused a mean decrease of 0.09 mm in brach...

journal_title：Inhalation toxicology

authors： Urch B,Brook JR,Wasserstein D,Brook RD,Rajagopalan S,Corey P,Silverman F

更新日期：2004-06-01 00:00:00

abstract：:Recent studies have shown that air pollution is a risk factor for hospitalization for pneumonia. However, there is limited evidence to suggest what subpopulations are at greater risk from air pollution. This study was undertaken to examine the modifying effect of specific secondary diagnosis (including hypertension, d...

journal_title：Inhalation toxicology

authors： Cheng MF,Tsai SS,Chiu HF,Sung FC,Wu TN,Yang CY

更新日期：2009-11-01 00:00:00

abstract：:The understanding of historical ambient asbestos concentrations is critical to exposure mapping and retrospective health impact studies involving asbestos related diseases. Two presentations at the University of Montana Center for Environmental Health Sciences Asbestos Conference (July 28, 2005) introduced novel metho...

journal_title：Inhalation toxicology

authors： Webber JS,Getman M,Ward TJ

更新日期：2006-11-01 00:00:00

abstract：:An original mathematical model describing particle diffusion in human nasal passages is presented. A unique feature of the model is that it combines effects of both turbulent and laminar flows. To account for turbulence, concentration equations written in cylindrical coordinates are first simplified by a scaling techn...

journal_title：Inhalation toxicology

authors： Martonen TB,Zhang Z,Yue G,Musante CJ

更新日期：2003-04-11 00:00:00

abstract：:Background: Allergies and smoking are common reasons for nasal mucosa inflammations, which in turn, cause nasal obstructions. Nevertheless, the impact of coexisting allergies and smoking on nasal mucosa inflammation has not been studied.Objectives: To study the impact of smoking with relation to allergies on nasal muc...

journal_title：Inhalation toxicology

authors： Warman M,Tiomkin E,Huszar M,Halperin D,Asher I,Cohen O

更新日期：2020-05-01 00:00:00

abstract：:Wistar rats were exposed for 24 mo to diesel emissions containing a low (0.2 ppm, 0.21 mg/m(3)), medium (1.04 ppm, 1.18 mg/m(3)), or high (2.96 ppm, 3.05 mg/m(3)) concentration of NO(2) and particles, or diesel emissions containing a medium (1.12 ppm, 0.01 mg/m(3)) concentration of NO(2) without particles. At 6-mo int...

journal_title：Inhalation toxicology

authors： Kato A,Nagai A,Kagawa J

更新日期：2000-06-01 00:00:00

abstract：:Epidemiological and experimental data suggest that obesity exacerbates the health effects of air pollutants such as ozone (O3). Maternal inactivity and calorically rich diets lead to offspring that show signs of obesity. Exacerbated O3 susceptibility of offspring could thus be manifested by maternal obesity. Thirty-da...

journal_title：Inhalation toxicology

authors： Gordon CJ,Phillips PM,Johnstone AFM,Schmid J,Schladweiler MC,Ledbetter A,Snow SJ,Kodavanti UP

更新日期：2017-05-01 00:00:00

abstract：:The World Health Organization identified urban outdoor air pollution as the eighth highest mortality risk factor in high-income countries. Exposure to ambient pollutants such as ozone (O3) increases the number of hospital admissions. O3 is a highly reactive gas that reacts with cells lining the airways, producing the ...

journal_title：Inhalation toxicology

authors： González-Guevara E,Martínez-Lazcano JC,Custodio V,Hernández-Cerón M,Rubio C,Paz C

更新日期：2014-07-01 00:00:00

abstract：:Oxidative stress is thought to be the pathogenesis of pulmonary fibrosis induced by asbestos, and heme oxygenase-1 (HO-1) protects lung tissue against oxidative stress. We hypothesized that HO-1 is associated with oxidative lung injury caused by exposure to asbestos. This study was conducted to investigate the time co...

journal_title：Inhalation toxicology

authors： Nagatomo H,Morimoto Y,Oyabu T,Hirohashi M,Ogami A,Yamato H,Kuroda K,Higashi T,Tanaka I

更新日期：2005-05-01 00:00:00

abstract：:In order to conserve material that is available in limited quantities, "directed-flow" nose-only exposure systems have at times been run at flow rates close to the minute ventilation of the animal. Such low-flow-rate conditions can contribute to a decrease of test substance concentration in inhaled air; near the anima...

journal_title：Inhalation toxicology

authors： Moss OR,James RA,Asgharian B

更新日期：2006-01-01 00:00:00

abstract：:In February 2006, an IARC Monographs Working Group reevaluated the carcinogenic hazards to humans of carbon black, titanium dioxide, and talc, which belong to the group of poorly soluble, low-toxicity particles. The review of the relevant literature and the evaluations by the Working Group will be published in Volume ...

journal_title：Inhalation toxicology

authors： Baan RA

更新日期：2007-01-01 00:00:00

abstract：:Chronic exposure to chlorine gas has been shown to cause occupational asthma. Acute inhalation of chlorine is known to cause airway inflammation and induce airway nitric oxide formation. Exhaled nitric oxide may therefore be a marker of airway damage after chlorine gas exposure. After accidental chlorine gas exposure ...

journal_title：Inhalation toxicology

authors： Grasemann H,Tschiedel E,Groch M,Klepper J,Ratjen F

更新日期：2007-08-01 00:00:00

abstract：:This study was undertaken to determine whether there was an association between fine particles (PM₂.₅) levels and hospital admissions for congestive heart failure (CHF) in Taipei, Taiwan. Hospital admissions for CHF and ambient air pollution data for Taipei were obtained for the period 2006-2010. The relative risk of ...

journal_title：Inhalation toxicology

authors： Hsieh YL,Tsai SS,Yang CY

更新日期：2013-07-01 00:00:00

abstract：:Naphthalene (NA) was shown to be carcinogenic, causing respiratory epithelial adenoma in the nasal cavity of male F344 rats and olfactory epithelial neuroblastoma in female F344 rats at exposure concentrations of 10-60 ppm in a 2-year inhalation study conducted by the National Toxicology Program. To explore the exposu...

journal_title：Inhalation toxicology

authors： Dodd DE,Wong BA,Gross EA,Miller RA

更新日期：2012-01-01 00:00:00

abstract：:Acute lung injury (ALI) induced by phosgene increases risk of serious edema and mortality. Increased permeability of the microvascular endothelium is implicated in the progression of ALI, but the processing interaction and time course activity of the vascular regulators in exudation are still not understood. The main ...

journal_title：Inhalation toxicology

authors： Zhang XD,Hai CX,Cai FL,Liang X,Liu R,Chen HL,Qin XJ,Feng AJ

更新日期：2008-07-01 00:00:00

abstract：:Cellulose fibers, along with many other organic fibers, are durable. Therefore, if inhaled, they have the potential to persist within the lung, and may then cause disease. Here we report the effects of injecting high-purity cellulose fibers into the abdominal cavity of rats. A respirable fraction of cellulose fiber wa...

journal_title：Inhalation toxicology

authors： Cullen RT,Miller BG,Clark S,Davis JM

更新日期：2002-07-01 00:00:00

abstract：:In the evaluation of particulate matter (PM) toxicity, one faces the challenge of identifying components that could be addressed as markers of toxicity. This study examines the use of statistical methods to determine which components present in the complex mixtures are related to toxic effects. The work is based on da...

journal_title：Inhalation toxicology

authors： Alfaro-Moreno E,Ponce-de-León S,Osornio-Vargas AR,García-Cuellar C,Martínez L,Rosas I

更新日期：2007-01-01 00:00:00

abstract：:Halomethanes (HMs) can be formed during the chlorination process to obtain drinking water. In liver cells, HMs had been shown to be mutagenic and carcinogenic; however, their bioactivation by CYP 2E1 and GSTT1 is required. Although inhalation is the most common pathway of exposure, reports on the toxic effects induced...

journal_title：Inhalation toxicology

authors： Nájera-Martínez M,García-Latorre EA,Reyes-Maldonado E,Domínguez-López ML,Vega-López A

更新日期：2012-09-01 00:00:00

abstract：:The Provisional Advisory Level (PAL) protocol was applied to estimate inhalation exposure limits for phosgene (CG). Three levels (PAL 1, PAL 2, and PAL 3), distinguished by severity of toxic effects, are developed for 24-hour, 30-day, 90-day, and 2-year durations of potential drinking water and inhalation exposures fo...

journal_title：Inhalation toxicology

authors： Glass D,McClanahan M,Koller L,Adeshina F

更新日期：2009-12-01 00:00:00

abstract：OBJECTIVE:There has been an increase in the popularity of waterpipe tobacco smoking (WTS) worldwide, especially in the younger population, including asthma patients. In this study, we investigated the effects of waterpipe smoking on airway inflammation, cytokine levels and oxidative stress markers in an antigen-driven ...

journal_title：Inhalation toxicology

authors： Al-Sawalha NA,Migdadi AM,Alzoubi KH,Khabour OF,Qinna NA

更新日期：2017-02-01 00:00:00

abstract：:Results from epidemiology studies have shown statistical associations between ambient air particulate matter (PM) concentrations and mortality/morbidity, particularly among susceptible subpopulations. Although the epidemiology of ambient air PM is compelling, there remains considerable uncertainty in PM risk assessmen...

journal_title：Inhalation toxicology

authors： Dreher KL

更新日期：2000-01-01 00:00:00

abstract：:Objective: Humidifier-disinfectant-induced lung injury is a new syndrome associated with a high mortality rate and characterized by severe hypersensitivity pneumonitis, acute interstitial pneumonia, or acute respiratory distress syndrome. Polyhexamethylene guanidine phosphate (PHMG-P), a guanidine-based antimicrobial ...

journal_title：Inhalation toxicology

authors： Song MK,Kim DI,Lee K

更新日期：2019-01-01 00:00:00

abstract：:The intent of this article is to review the comparative nonneoplastic pathological responses (inflammation, fibrosis, and epithelial proliferation) of rats, hamsters, mice, and monkeys to low-toxicity dusts (TiO(2), carbon black, talc, coal-mine dust, and diesel particulate). The paucity of information on some of thes...

journal_title：Inhalation toxicology

authors： Donaldson K

更新日期：2000-01-01 00:00:00

abstract：:Recurrent events, such as repeated hospital admissions for the same health outcome, occur frequently in environmental health studies. In this study, we conducted an analysis of data on repeated respiratory hospitalizations among the elderly in Vancouver, Canada, for the period of June 1, 1995, to March 31, 1999, using...

journal_title：Inhalation toxicology

authors： Fung KY,Khan S,Krewski D,Chen Y

更新日期：2006-12-01 00:00:00

abstract：:To elucidate dose-response and other effects of diesel particles in guinea pigs chronically exposed to diesel exhaust, various biomarkers for chronic obstructive lung diseases were studied using bronchoalveolar lavage (BAL) fluid and blood specimens. Guinea pigs were exposed 16 h/day, 6 days/wk, for 6, 12, 18, or 24 m...

journal_title：Inhalation toxicology

authors： Ishihara Y,Kagawa J

更新日期：2002-10-01 00:00:00

abstract：:The authors have previously demonstrated that wildfire-derived coarse or fine particulate matter (PM) intratracheally instilled into lungs of mice induce a strong inflammatory response. In the current study, the authors demonstrate that wildfire PM simultaneously cause major increases in oxidative stress in the mouse ...

journal_title：Inhalation toxicology

authors： Wegesser TC,Franzi LM,Mitloehner FM,Eiguren-Fernandez A,Last JA

更新日期：2010-06-01 00:00:00

abstract：:Ozone (O₃), a commonly encountered environmental pollutant, has been shown to induce pulmonary fibrosis in different animal models; the underlying mechanism, however, remains elusive. To investigate the molecular mechanism underlying O₃-induced pulmonary fibrosis, 6- to 8-week-old C57BL/6 male mice were exposed to a c...

journal_title：Inhalation toxicology

authors： Katre A,Ballinger C,Akhter H,Fanucchi M,Kim DK,Postlethwait E,Liu RM

更新日期：2011-07-01 00:00:00

abstract：:Objectives: This follow-up study set out to evaluate the natural course and radiographic progression of silicosis among ceramic workers and describe the risk factors related with disease progression. Materials and methods: We retrospectively analyzed the data of ceramic workers with silicosis who were referred to our ...

journal_title：Inhalation toxicology

authors： Karataş M,Gündüzöz M,Büyükşekerci M,Özakıncı OG,Nadir Öziş T

更新日期：2019-02-01 00:00:00

abstract：OBJECTIVE:Numerous studies have found an association between transiently increased particulate matter air pollution and acute adverse cardiovascular health effects; however, the mechanisms underlying these effects are not clear. Translocation of ultra-fine ambient particulate matter has been proposed to play a key role...

journal_title：Inhalation toxicology

authors： Bai N,van Eeden SF

更新日期：2013-11-01 00:00:00