Digital Commons Network^™

Development Of Methodology For Raman Microspectroscopic Analysis Of Oral Exfoliated Cells, Hugh Byrne, Fiona Lyng, Alison Malkin, Ola Ibrahim, Genecy Calado, Steven Flint, Isha Behl

Articles

Oral squamous cell carcinoma ranks as the 15th most common cancer worldwide. The present study was undertaken to standardise a protocol for the analysis of oral exfoliated cells using Raman microspectroscopy. For this purpose, samples were obtained from two different sites, based on prevalence of disease (ventral side of the tongue and buccal mucosa). Different oral rinsing agents were employed and it was concluded that non-alcoholic mouthwash adequately removes food debris. Samples were collected using various collection tools and compared. It was observed that endo-cervical brushes yielded cells from deeper layers of the epithelium. Furthermore, monolayer formation of cells was …

Macrophage Migration Inhibitory Factor Enhances Pseudomonas Aeruginosa Biofilm Formation, Potentially Contributing To Cystic Fibrosis Pathogenesis, Aisling Tynan, Leona Mawhinney, Michelle Armstrong, Ciaran O'Reilly, Sarah Kennedy

Articles

Macrophage migration inhibitory factor (MIF) is a key proinflammatory mediator that we have previously shown to be associated with an aggressive clinical phenotype in cystic fibrosis. It possesses unique tautomerase enzymatic activity. However, to date, no human-derived substrate has been identified that has the capacity to interact with this cytokine's unique tautomerase activity. This led us to hypothesize that MIF may have the capacity to interact with external substrates. We describe for the first time how Pseudomonas aeruginosa can utilize human recombinant MIF (rMIF) to significantly (P < 0.01) enhance its endogenous biofilm formation. Our in vivo studies demonstrate that utilizing a small-molecular-weight inhibitor targeting MIF's tautomerase activity (SCD-19) significantly reduces the inflammatory response in a murine pulmonary chronic P. aeruginosa model. In addition, we show that in in vitro experiments, pretreatment of P. aeruginosa with rMIF is associated with reduced bacterial killing by tobramycin. Our novel findings support the concept of an anti-MIF strategy that targets this enzymatic activity as a potential future antibacterial therapeutic approach.-Tynan, A., Mawhinney, L., Armstrong, M. E., O'Reilly, C., Kennedy, S., Caraher, E., Jülicher, K., O'Dwyer, D., Maher, L., Schaffer, K., Fabre, A., McKone, E. F., Leng, L., Bucala, R., Bernhagen, J., Cooke, G., Donnelly, S. C. Macrophage migration inhibitory factor enhances Pseudomonas aeruginosa biofilm formation, potentially contributing to cystic fibrosis pathogenesis.

Hypoxia Reduces The Pathogenicity Of Pseudomonas Aeruginosa By Decreasing The Expression Of Multiple Virulence Factors, Bettina Schaible, Javier Rodriguez, Amaya Garcia, Alexander Von Kriegsheim, Siobhan Mcclean, Caitríona Hickey, Ciara E. Keogh, Eric Brown, Kirsten Schaffer, Alexis Broquet, Cormac T. Taylor

Articles

Our understanding of how the course of opportunistic bacterial infection is influenced by the microenvironment is limited. We demonstrate that the pathogenicity of Pseudomonas aeruginosa strains derived from acute clinical infections is higher than that of strains derived from chronic infections, where tissues are hypoxic. Exposure to hypoxia attenuated the pathogenicity of strains from acute (but not chronic) infections, implicating a role for hypoxia in regulating bacterial virulence. Mass spectrometric analysis of the secretome of P. aeruginosa derived from an acute infection revealed hypoxia-induced repression of multiple virulence factors independent of altered bacterial growth. Pseudomonas aeruginosa lacking the Pseudomonas prolyl-hydroxylase …

An Overview Of Dissolved Organic Carbon In Groundwater And Implications For Drinking Water Safety, S. Regan, Paul Hynds, R. Flynn

Articles

Dissolved organic carbon (DOC) is composed of a diverse array of compounds, predominantly humic substances, and is a near ubiquitous component of natural groundwater, notwithstanding climatic extremes such as arid and hyper-arid settings. Despite being a frequently measured parameter of groundwater quality, the complexity of DOC composition and reaction behaviour means that links between concentration and human health risk are difficult to quantify and few examples are reported in the literature. Measured concentrations from natural/unpolluted groundwater are typically below 4 mg C/l, whilst concentrations above these levels generally indicate anthropogenic influences and/or contamination issues and can potentially compromise water safety. …

Evaluation Of Levels Of Antibiotic Resistance In Groundwater-Derived E. Coli Isolates In The Midwest Of Ireland And Elucidation Of Potential Predictors Of Resistance, Jean O'Dwyer, Paul Hynds, Matthieu Pot, Catherine Adley, Michael Ryan

Articles

Antibiotic-resistant (pathogenic and non-pathogenic) organisms and genes are now acknowledged as significant emerging aquatic contaminants with potentially adverse human and ecological health impacts, and thus require monitoring. This study is the first to investigate levels of resistance among Irish groundwater (private wells) samples; Escherichia coli isolates were examined against a panel of commonly prescribed human and veterinary therapeutic antibiotics, followed by determination of the causative factors of resistance. Overall, 42 confirmed E. coli isolates were recovered from a groundwater-sampling cohort. Resistance to the human panel of antibiotics was moderate; nine (21.4%) E. coli isolates demonstrated resistance to one or more …

Freeze-Drying As A Novel Biofabrication Method For Achieving A Controlled Microarchitecture Within Large, Complex Natural Biomaterial Scaffolds, Claire Brougham, Tanya J. Levingstone, Nian Shen, Gerard M. Cooney, Thomas C. Flanagan, Stefan Jockenhoevel, Fergal J. O’Brien

Articles

The biofabrication of large scaffolds from natural biomaterials into complex 3D shapes with controllable microarchitecture remains a major challenge. Freeze-drying (or lyophilization) is a technique used to create bioactive scaffolds with a porous architecture and is typically only used to generate scaffolds in planar 3D geometries. Here we report the development of a new biofabrication process to form a collagen-based scaffold into a large, complex geometry which has a large height to width ratio, and a controlled porous microarchitecture. This biofabrication process was validated through the successful development of a heart valve shaped scaffold, fabricated from a collagen-glycosaminoglycan co-polymer. Notably, …

Study Of Phenolic Extractability In Grape Seeds By Means Of Atr-Ftir And Raman Spectroscopy, Julio Nogales-Bueno, Berta Baca-Bocanegra, Abigail Rooney, José Miguel Hernández-Hierro, Hugh Byrne, Francisco José Heredia

Articles

Near infrared hyperspectral imaging has been applied to grape seeds in order to select a representative subset of samples according to their spectral features in the 900-1700nm range. Afterwards, selected grape seeds have been classified according to their total phenol and flavanol extractabilities. In this way, samples were sorted in three different groups identified as low, medium and high extractability levels. In order to establish the chemical structures which can be responsible for the different extractabilities, vibrational spectroscopy has been applied to the non-extracted material after seed extractions. Attenuated total reflectance Fourier transform infrared (ATR-FTIR) and Raman spectra of non-extracted …

Reneb - Running The European Network Of Biological Dosimetry And Physical Retrospective Dosimetry, Ulrike Kulka, Michael Abend, Liz Ainsbury, Christophe Badie, Joan-Francesc Barquinero, Leonardo Barrios, Christina Beinke, Emanuela Bortolin, Alexandra Cucu, Fiona Lyng

Articles

Purpose: A European network was initiated in 2012 by 23 partners from 16 European countries with the aim to significantly increase individualized dose reconstruction in case of large-scale radiological emergency scenarios.

Differentiating Responses Of Lung Cancer Cell Lines To Doxorubicin Exposure: In Vitro Raman Micro Spectroscopy, Oxidative Stress And Bcl-2 Protein Expression, Zeineb Farhane, Franck Bonnier, Marcus A. Maher, Jane Bryant, Alan Casey, Hugh Byrne

Articles

The potential of Raman micro spectroscopy as an in vitro, non-invasive tool for clinical applications has been demonstrated in recent years, specifically for cancer research. To further illustrate its potential as a high content and label free technique, it is important to show its capability to elucidate drug mechanisms of action and cellular resistances. In this study, cytotoxicity assays were employed to establish the toxicity profiles for 24 hr exposure of lung cancer cell lines, A549 and Calu-1, to the commercially available drug, doxorubicin (DOX). Raman spectroscopy, coupled with Confocal Laser Scanning Microscopy and Flow Cytometry, was used to track …

Hybrid Graphene–Copper Uwb Array Sensor For Brain Tumor Detection Via Scattering Parameters In Microwave Detection System, Mohd Aminudin Jamlos, Abdul Hafiizh Ismail, Mohd Faizal Jamlos, Adam Narbudowicz

Articles

Hybrid graphene–copper ultra-wideband array sensor applied to microwave imaging technique is successfully used in detecting and visualizing tumor inside human brain. The sensor made of graphene coated film for the patch while copper for both the transmission line and parasitic element. The hybrid sensor performance is better than fully copper sensor. Hybrid sensor recorded wider bandwidth of 2.0–10.1 GHz compared with fully copper sensor operated from 2.5 to 10.1 GHz. Higher gain of 3.8–8.5 dB is presented by hybrid sensor, while fully copper sensor stated lower gain ranging from 2.6 to 6.7 dB. Both sensors recorded excellent total efficiency averaged …

Photoluminescence Of Lead Sulfide Quantum Dots Of Different Sizes In A Nanoporous Silicate Glass Matrix, Aleksandr P. Litvin, Anton Babaev, Peter Parfenov, Elena Ushakova, Mikhail Baranov, Olga Andreeva, Kevin Berwick, Anatoly Fedorov, Alexander Baranov

Articles

The optical properties of lead sulfide quantum dots (QDs) of different sizes embedded in a nanoporous silicate glass matrix (NSM) are investigated by steady-state and transient photoluminescence spectroscopy. The use of this matrix allows the fabrication of samples with reproducible optical characteristics, for both isolated and close-packed QDs. Low-temperature PL analysis of isolated QDs with sizes of 3.7 and 4.5 nm shows that the coefficient of temperature shift of the PL position changes sign with reducing QD size because of size-dependent contributions from thermal expansion, mechanical strain, and electron–phonon coupling. The PL intensity is determined by size-dependent splitting of the …

Valuing Identity, Osamudia R. James

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No abstract provided.

Government Employee Religion, Caroline Mala Corbin

Articles

Picture a county clerk who refuses to issue a marriage license to an LGBT couple or a city bus driver who insists on wearing a hijab. The clerk is fired for failing to fulfill job responsibilities and the bus driver for violating official dress codes. Both claim that their termination violates the First Amendment speech and religion clauses.

There is a well-developed First Amendment government employee speech jurisprudence. Less developed is the doctrine and literature for First Amendment government employee religion. The existing Free Exercise Clause jurisprudence usually does not specifically account for the government employee context. This Article attempts …

Inner-City Anti-Poverty Campaigns, Anthony V. Alfieri

Articles

This article offers a defense of outsider, legal-political intervention and community triage in inner-city anti-poverty campaigns under circumstances of widespread urban social disorganization, public and private sector neglect, and nonprofit resource scarcity. In mounting this defense, the Article revisits the roles of lawyers, nonprofit legal services organizations, and university-housed law school clinics in contemporary anti-poverty, civil rights, and social justice movements, in part by chronicling the emergence of a faith-based municipal equity movement in Miami, Florida. The Article proceeds in four parts. Part I introduces the notion of community triage as a means of addressing the impoverished and segregated aftermath …

Linking Atr-Ftir And Raman Features To Phenolic Extractability And Other Attributes In Grape Skin, Hugh Byrne, Abigail Rooney, Julio Nogales-Bueno, Jose Miguel Hernandez-Hierro, Francisco Jose Heredia

Articles

The importance of wine phenolics on the sensory characteristic of red wines is well-known. Therefore, it is necessary to control the extractability of phenolic compounds from grape skins, which depends significantly on grape ripeness and hence, on cell wall degradation.

In the present study, attenuated total reflectance Fourier transform infrared (ATR-FTIR) and Raman spectra of grape skin have been recorded. Then, these spectral matrices have been studied and the main spectral features have been linked to extractabilities of phenolic compounds (anthocyanins, flavanols and total phenols). Moreover, spectral differences between external and internal grape skin surfaces also have been studied.

It …

A Natural, Calcium-Rich Marine Multi-Material Complex Preserves Bone Structure, Composition And Strength In An Ovariectomized Rat Model Of Osteoporosis, Orlaith Brennan, Joseph Sweeney, Brian O'Meara, Amro Widaa, Franck Bonnier, Hugh Byrne, Denis O'Gorman, Fergal O'Brien

Articles

Calcium supplements are used as an aid in the prevention of osteopenia and osteoporosis and also for the treatment of patients when used along with medication. Many of these supplements are calcium carbonate based. This study compared a calcium-rich, marine multi-mineral complex (Aquamin) to calcium carbonate in an ovariectomised rat model of osteoporosis in order to assess Aquamin’s efficacy in preventing the onset of bone loss. Animals were randomly assigned to either non-ovariectomy control (Control), ovariectomy (OVX) plus calcium carbonate, ovariectomy plus Aquamin or ovariectomy plus Aquamin delay where Aquamin treatment started 8 weeks post OVX. At the end of …

Bathroom Laws As Status Crimes, Stephen Rushin, Jenny E. Carroll

Articles

A growing number of American jurisdictions have considered laws that prohibit trans individuals from using bathroom facilities consistent with their gender identities Several scholars have criticized these socalled "bathroom laws" as a form of discrimination in violation of federal law Few scholars though have considered the criminal justice implications of these proposalsBy analyzing dozens of proposed bathroom laws this Article explores how many laws do more than stigmatize the trans community"”they effectively criminalize them Some of these proposed laws would establish new categories of criminal offenses for trans individuals who use bathrooms consistent with their gender identity Others would transform …

Novel Myopia Genes And Pathways Identified From Syndromic Forms Of Myopia, Daniel Ian Flitcroft, James Loughman, Christine Wildsoet, Cathy Williams, Jeremy A. Guggenheim

Articles

PURPOSE. To test the hypothesis that genes known to cause clinical syndromes featuring myopia also harbor polymorphisms contributing to nonsyndromic refractive errors. METHODS. Clinical phenotypes and syndromes that have refractive errors as a recognized feature were identified using the Online Mendelian Inheritance in Man (OMIM) database. One hundred fifty-four unique causative genes were identified, of which 119 were specifically linked with myopia and 114 represented syndromic myopia (i.e., myopia and at least one other clinical feature). Myopia was the only refractive error listed for 98 genes and hyperopia and the only refractive error noted for 28 genes, with the remaining …

Time To Refocus Assessment Of Vision In Older Adults? Contrast Sensitivity But Not Visual Acuity Is Associated With Gait In Older Adults, James Loughman, Eoin Duggan, Orna Donoghue,, Rose Anne Kenny, Hilary Cronin, Ciarán Finucane

Articles

Background:

The relationship between measures of visual function and gait related risk factors for falls is unclear. In this study, we examine the relationship between visual function (visual acuity [VA] and contrast sensitivity [CS] at multiple spatial frequencies) and quantitative spatiotemporal gait, using a large, nationally representative sample of community dwelling older adults.

Methods: Participants aged 50 and over were recruited as part of The Irish Longitudinal Study on Ageing (TILDA). VA was measured with the LogMAR chart according to the Early Treatment of Diabetic Retinopathy Study protocol. CS was measured at five spatial frequencies ranging 1.5 to 18 cycles …

Novel Myopia Genes And Pathways Identified From Syndromic Forms Of Myopia, Daniel Ian Flitcroft, James Loughman, Christine F. Wildsoet, Cathy Williams, Jeremy A. Guggenheim

Articles

Clinical phenotypes and syndromes that have refractive errors as a recognized feature were identified using the Online Mendelian Inheritance in Man (OMIM) database. One hundred fifty-four unique causative genes were identified, of which 119 were specifically linked with myopia and 114 represented syndromic myopia (i.e., myopia and at least one other clinical feature). Myopia was the only refractive error listed for 98 genes and hyperopia and the only refractive error noted for 28 genes, with the remaining 28 genes linked to phenotypes with multiple forms of refractive error. Pathway analysis was carried out to find biological processes overrepresented within these …

Novel Myopia Genes And Pathways Identified From Syndromic Forms Of Myopia, Daniel Ian Flitcroft, James Loughman, Christine F. Wildsoet, Cathy Williams, Jeremy A. Guggenheim

Articles

P URPOSE . To test the hypothesis that genes known to cause clinical syndromes featuring myopia also harbor polymorphisms contributing to nonsyndromic refractive errors.

Ambulatory Hemodynamic Monitoring Reduces Heart Failure Hospitalizations In "Real-World" Clinical Practice, Akshay S. Desai, Arvind Bhimaraj, Rita Jermyn, Jamie M. Pelzel

Articles

BACKGROUND:

In the CHAMPION (CardioMEMS Heart Sensor Allows Monitoring of Pressure to Improve Outcomes in New York Heart Association [NYHA] Functional Class III Heart Failure Patients) trial, heart failure hospitalization (HFH) rates were lower in patients managed with guidance from an implantable pulmonary artery pressure sensor compared with usual care.

OBJECTIVES:

This study examined the effectiveness of ambulatory hemodynamic monitoring in reducing HFH outside of the clinical trial setting.

METHODS:

We conducted a retrospective cohort study using U.S. Medicare claims data from patients undergoing pulmonary artery pressure sensor implantation between June 1, 2014, and December 31, 2015. Rates of HFH …

Projections Of Temperature-Related Excess Mortality Under Climate Change Scenarios, Antonio Gasparrini, Yurning Guo, Francesa Sera, Ana Maria Vicedo-Cabrera, Veronika Huber, Shilu Tong, Micheline De Sousa Zanotti Stagliorio Coelho, Paulo Saldiva, Eric Lavigne, Patricia Correa, Nicolas Valdes Ortega, Haidong Kan, Samuel Osorio, Jan Kysely, Ales Urban, Jauni Jaakkola, Niilo Ryti, Mathilde Pascal, Patrick J. Goodman, Ariana Zeka, Paola Michelozzi, Matteo Scortichini, Masahiro Hashizume, Yasushi Honda, Magali Hurtado-Diaz, Julio Cruz, Xerxes Seposo, Ho Kim, Aurelio Tobias, Carmen Iniguez, Bertil Forsberg, Daniel Astrom, Martina Ragettli, Yue Guo, Chang-Fu Wu, Antonella Zaobetti, Joel Schwartz, Michelle Bell, Tran Ngoc Dang, Duong Do Van, Clare Heaviside, Sotiris Vardoulakis, Shakoor Hajat, Andy Haines, Ben Armstrong

Articles

Summary Background Climate change can directly affect human health by varying exposure to non-optimal outdoor temperature. However, evidence on this direct impact at a global scale is limited, mainly due to issues in modelling and projecting complex and highly heterogeneous epidemiological relationships across different populations and climates. Methods We collected observed daily time series of mean temperature and mortality counts for all causes or non-external causes only, in periods ranging from Jan 1, 1984, to Dec 31, 2015, from various locations across the globe through the Multi-Country Multi-City Collaborative Research Network. We estimated temperature–mortality relationships through a two-stage time series …

Achieving Reactive Species Specificity Within Plasma Activated Water Through Selective Generation Using Air Spark And Glow Discharges, Peng Lu, Daniela Boehm, Paula Bourke, Patrick J. Cullen

Articles

Plasma activated liquids (PAL) attract increasing interest with demonstrated biological effects. Plasma exposure in air produces stable aqueous reactive species which can serve as chemical diagnostics of PAL systems. Here, we tailor aqueous reactive species inside plasma activated water (PAW) through treating water with AC air spark and glow discharges in contact with water. Chemical probing demonstrated species specificity between two types of PAW. Spark discharge PAW contains 2 2 H O and 3 NO , while 2 NO and 3 NO are generated in glow discharge PAW. Species formation in different PAWs have been discussed in terms of discharge …

1,10-Phenanthroline-5,6-Dione-Based Compounds Are Effective In Disturbing Crucial Physiological Events Of Phialophora Verrucosa, Marcela Queiroz Granato, Diego De Souza Goncalves, Sergio Henrique Seabra, Malachy Mccann, Michael Devereux, Andre Luis De Souza Dos Santos, Lucimar Ferreira Kneipp

Articles

Phialophora verrucosa is a dematiaceous fungus able to cause chromoblastomycosis, phaeohyphomycosis and mycetoma. All these fungal diseases are extremely difficult to treat and often refractory to the current therapeutic approaches. Therefore, there is an urgent necessity to develop new antifungal agents to combat these mycoses. In this context, the aim of the present work was to investigate the effect of 1,10-phenanthroline-5,6-dione (phendione) and its metal-based derivatives [Ag(phendione)2]ClO4 = ([Ag(phendione)2]+) and [Cu(phendione)3](ClO4)2.4H2O = ([Cu(phendione)3]2+) on crucial physiological events of P. verrucosa conidial cells. Using the CLSI protocol, we have shown that phendione, [Ag(phendione)2]+ and [Cu(phendione)3]2+ were able to inhibit fungal proliferation, …

Exploring Smoking, Mental Health And Smoking-Related Disease In A Nationally Representative Sample Of Older Adults In Ireland: A Retrospective Secondary Analysis, Annette Burns, Judith Strawbridge, Luke Clancy, Frank Doyle

Articles

Objective

Smoking is the leading preventable cause of death among individuals with mental health difficulties (MHD). The aim of the current study was to determine the impact of smoking on the physical health of older adults with MHD in Ireland and to explore the extent to which smoking mediated or moderated associations between MHD and smoking-related diseases.

Methods

Cross-sectional analysis of a nationally representative sample of 8175 community-dwelling adults aged 50 and over from The Irish Longitudinal Study on Ageing (TILDA) was undertaken. Multivariate adjusted logistic regression models were used to assess the association between MHD, smoking (current/past/never) and smoking-related …

Heat Wave And Mortality: A Multicountry, Multicommunitystudy, Y. Guo, A. Gasparrini, B.G. Armstrong, B Tawatsupa, A. Tobias, E. Lavinge, M. De Sousa Zanotti Stagliorio Coelho, X. Pan, H. Kim, M. Hashizume, Y. Honda, Y. Leon Guo, C. Wu, A. Zanobetti, J. D. Schwartz, M. L. Bell, M. Scortichini, P. Michelozzi, K. Punnasiri, S. Li, L. Tian, S. D. Osorio Garcia, X. Seposo, A. Overcenco, A. Zeka, P. J. Goodman, T. N. Dang, D. V. Dung, F. Mayvaneh, P. H. Nascimento Saldiva, G. Williams, S. Tong

Articles

Heat waves of all definitions had significant cumulative associations with mortality in all countries, but varied by community. The higher the temperature threshold used to define heat waves, the higher heat wave associations on mortality. However, heat wave duration did not modify the impacts. The association between heat waves and mortality appeared acutely and lasted for 3 and 4 d. Heat waves had higher associations with mortality in moderate cold and moderate hot areas than cold and hot areas. There were no added effects of heat waves on mortality in all countries/regions, except for Brazil, Moldova, and Taiwan. Heat waves …

Nitrate-Rich Beetroot Juice Selectively Lowers Ambulatory Pressures And Ldl Cholesterol In Uncontrolled But Not Controlled Hypertension: A Pilot Study., Conor Kerley, Eamon Dolan, Liam Cormican

Articles

Background Dietary nitrate has been shown to increase nitrate/nitrite levels in multiple populations, with potential blood pressure lowering effects. However, there are few reports among hypertensives. Aims We aimed to assess the effect of daily nitrate in subject with controlled hypertension vs. uncontrolled hypertension. Methods On day 0, hypertensives wore an ambulatory BP monitor (ABPM) for 24h and fasting blood was taken. Subjects then consumed concentrated beetroot juice (12.9mmol nitrate) for 14 consecutive days. On day 14 subjects consumed their last nitrate dose after fasting blood was drawn and again had an ABPM for 24h. Results According to baseline ABPM, …

Carbon Dioxide Sources From Alaska Driven By Increasing Early Winter Respiration From Artic Tundra, Roisin Commane, Jacob Lindaas, Joshua Benmergui, Kristina Luus, Rachel Chang, Bruce Daube, Eugenie Euskirchen, John Henderson, Anna Karion, John Miller, Scot Miller, Nicholas Parazoo, James Randerson, Colm Sweeney, Pieter Tans, Kirk Thoning, Sander Veraverbeke, Charles Miller, Steven Wofsy

Articles

High-latitude ecosystems have the capacity to release large amounts of carbon dioxide (CO2) to the atmosphere in response to increasing temperatures, representing a potentially significant positive feedback within the climate system. Here, we combine aircraft and tower observations of atmospheric CO2 with remote sensing data and meteorological products to derive temporally and spatially resolved year-round CO2 fluxes across Alaska during 2012-2014. We find that tundra ecosystems were a net source of CO2 to the atmosphere annually, with especially high rates of respiration during early winter (October through December). Long-term records at Barrow, AK, suggest that CO2emission rates from North Slope …

A National Audit Of Smoking Cessation Services In Irish Maternity Units, C. Reynolds, B. Egan, Shona Cawley, S. Sheehan, M. Turner

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Irish Medical Journal

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