bluuebunny/crossref_metadata_2025_split huggingface dataset:
Antiproliferative effect of docosahexaenoic acid on adult human keratinocytes in vitro / Antiproliferativni efekat dokosaheksanoične kiseline na adultne humane keratinocite in vitro
Authors: Popadić Svetlana , Ramić Zorica , Medenica Ljiljana , Mostarica-Stojkovic Marija , Popadić Dušan 
Published: February 2013

Abstract
Numerous clinical studies demonstrate benefits of dietary supplementation with fish oils in autoimmune diseases and other inflammatory diseases such as psoriasis, multiple sclerosis, systemic lupus erythematodes and so on. Docosahexaenoic acid (DHA) is an omega-3 fatty acid which is abundantly found in fish oil. In the present study we investigated effects of DHA on proliferation of human keratinocytes established from skin of seven adult donors, cultivated in growth medium that allows optimal cell proliferation. We found a dose-dependent inhibition of cell proliferation when keratinocytes were incubated with 6.25, 12.5 and 25 -μM of DHA. Inhibition of proliferative capacity considerably varied in keratinocyte cultures derived from different donors, particularly when incubated with the lowest concentration of the assessed substance. Lactate dehydrogenase-release assay excluded necrosis of cultivated keratinocytes as a cause of decreased proliferation. Our results suggest that DHA may potentially be used as a routine adjuvant therapy, with classical therapy of inflammatory hyperproliferative skin diseases.
Molluscum Contagiosum and Chronic Vulval Ulceration as the First Manifestations of HIV Infection – A Case Report / Molluscum contagiosum i hronične vulvalne ulceracije kao prve manifestacije HIV infekcije – prikaz slučaja
Authors: Mijušković Željko P. , Kandolf Sekulović Lidija , Zečević Radoš D. 
Published: February 2013

Abstract
Molluscum contagiosum is a very common, benign, often self-limiting skin disease caused by Molluscum contagiosum virus, member of the poxvirus family. Genital ulcers in HIV positive women are usually acute or subacute, mostly idiopathic or aphtous. Sixty percent of cases are caused by herpes simplex virus syphilis or chancroid. We present a 31-yearold woman with a 2.5 month history of vulval ulceration and a several month history of molluscum contagiosum in the pubic region, neck and face. After she was admitted to our department, the patient underwent physical examination using enzyme-linked immunosorbent assay, and an immunoblot test for HIV 1/2. Both tests were positive. Thereafter, the patient was referred to an infectologist who recommended application of 5% imiquimod cream 3 times per week for molluscum contagiosum and acyclovir 3x400 mg/day. Considering that there are more accepted indications for HIV testing, we agree with other authors that all adults with molluscum contagiosum or chronic genital ulceration should be tested for HIV serology.
Laboratory Method to Measure Sealing Capacity of Caprocks / Metodyka Wykonywania Pomiarów Laboratoryjnych do Określania Własności Uszczelniających Skał Nadległych
Authors: Klimkowski Łukasz , Smulski Rafał 
Published: February 2013

Abstract
Adoption of geological sequestration as one of the main options for reducing carbon emissions to the atmosphere resulted in the intensification of research on various aspects relating to such a solution. The choice of structures for the potential storages must be preceded by a detailed characterization process. In addition to the appropriate location, capacity and injectivity, the most important issue is the proper seal, preventing the migration of injected CO2 into overburden, and ultimately to the atmosphere. The process of granting licenses for the injection of CO2 will require to confirm the sealing capacity of caprock by means of laboratory tests.
In response to current trends and requirements in the laboratory of the Faculty of Drilling, Oil and Gas of AGH UST in Krakow the apparatus for direct examination of the sealing efficiency of poorly permeable rocks, acting as seal rocks, was created according to current standards. This article discusses the mechanism of capillary seal and basic laboratory methods for determining the capillary threshold pressure for CO2. The authors present the results of preliminary tests on shale samples with different permeabilities.
Methods for evaluating ground dislocations in mining areas / Metoda oceny przemieszczeń budowli na terenie górniczym
Authors: Kanciruk Adam 
Published: February 2013

Abstract
Underground exploitation of natural resources results in disturbance of the original equilibrium in the strata and leads to the emergence of the so-called subsidence troughs on the ground surface (Florkowska, 2010). Due to ground distortion, buildings located in these areas suffer damages and deformations, including angular tilts. An instrument for measuring constructions’ angles of slope is known as an inclinometer. The prototypical vibrating wire inclinometer discussed in the present paper has three wires (each of them cooperating with one electromagnet) on which a weight - attached to an arm - is suspended. Thanks to this, it comes of use in a range of procedures, such as measuring object inclines, or determining the angle between the plane of the incline and the assumed reference direction. As any other vibrating wire transducer, an inclinometer cooperates with a proper electronic device which makes it possible to measure the vibration period for each wire separately. The device is also used for the inclinometer’s calibration. Additionally, the paper provides an example of an inclinometer’s use in measuring the angular tilt of a historical church tower located in the area affected by underground mining operations connected with exploitation of hard coal.
Dynamic properties of hot-wire anemometric measurement circuits in the aspect of measurements in mine conditions / Właściwości dynamiczne termoanemometrycznych układów pomiarowych w aspekcie pomiarów w warunkach kopalnianych
Authors: Jamróz Paweł , Ligęza Paweł , Socha Katarzyna 
Published: February 2013

Abstract
The use of measurement apparatus under conditions which differ significantly from those under which the apparatus was adjusted carries the risk of altering the previously determined measurement characteristics. This is of special concern in the case of apparatus which is sensitive to external measurement conditions. Advanced measurement systems are equipped with algorithms which allow the negative effect of unstable environmental conditions on their static characteristics to be compensated for. Meanwhile, the problem of altered dynamic properties of such systems is often neglected. This paper presents a model study in which the effect of variable operational conditions on dynamic response of hot-wire anemometric measurement system in the case of simulated mine flows was investigated. A mathematical model of measurement system able to compensate the negative effect of changes in flow velocity and configuration of measurement apparatus itself on its dynamic properties was developed and investigated. Based on conducted experiments, we have developed an automatic regulation algorithm enabling the transmission band of measurement apparatus to be optimized for measurement conditions prevailing in mine environment.
The Role of Economic Uncertainty on the Block Economic Value – a New Valuation Approach / Rola Czynnika Niepewności Przy Obliczaniu Wskaźnika Rentowności – Nowe Podejście
Authors: Dehghani H. , Ataee-Pour M. 
Published: February 2013

Abstract
The block economic value (BEV) is one of the most important parameters in mine evaluation. This parameter can affect significant factors such as mining sequence, final pit limit and net present value. Nowadays, the aim of open pit mine planning is to define optimum pit limits and an optimum life of mine production scheduling that maximizes the pit value under some technical and operational constraints. Therefore, it is necessary to calculate the block economic value at the first stage of the mine planning process, correctly. Unrealistic block economic value estimation may cause the mining project managers to make the wrong decision and thus may impose inexpiable losses to the project. The effective parameters such as metal price, operating cost, grade and so forth are always assumed certain in the conventional methods of BEV calculation. While, obviously, these parameters have uncertain nature. Therefore, usually, the conventional methods results are far from reality. In order to solve this problem, a new technique is used base on an invented binomial tree which is developed in this research. This method can calculate the BEV and project NPV under economic uncertainty.
In this paper, the BEV and project NPV were initially determined using Whittle formula based on certain economic parameters and a multivariate binomial tree based on the economic uncertainties such as the metal price and cost uncertainties. Finally the results were compared. It is concluded that applying the metal price and cost uncertainties causes the calculated block economic value and net present value to be more realistic than certain conditions.
Fazy mineralne w triasowych skałach węglanowych rejonu Chorzowa
Authors: Stanienda Katarzyna , Nowak Jacek , Kukiełka Tomasz 
Published: February 2013

Streszczenie
W niniejszym artykule przedstawiono wyniki badań próbek skał węglanowych pobranych z utworów triasowych w rejonie północnej części Chorzowa. Przedmiotem badań była identyfikacja faz mineralnych, obecnych w tych skałach, szczególnie faz węglanowych.
W północnej części Chorzowa występują utwory triasowe reprezentowane przez skały stropowej części profilu pstrego piaskowca oraz spągowej części profilu utworów wapienia muszlowego - warstw gogolińskich. Utwory te eksploatowane były w XIX i pierwszej połowie XX wieku.
W artykule przedstawiono wyniki analiz próbek skał węglanowych, pobranych z tych warstw. Wykonano ich opis petrograficzny, badania mikroskopowe w świetle przechodzącym, analizy dyfraktometryczne oraz badania składu chemicznego w mikroobszarach z wykorzystaniem mikroskopu skaningowego.
Na podstawie przeprowadzonych analiz stwierdzono, że w utworach pstrego piaskowca dominują dolomity. W składzie mineralnym tych skał, poza dolomitem, stwierdzono obecność sparytowego kalcytu, ponadto zidentyfikowano również kwarc, minerały ilaste, muskowit oraz związki żelaza.
Utwory wapienia muszlowego to głównie wapienie, a także zlepieńce otoczaków wapiennych scemento-wane spoiwem węglanowym. W składzie mineralnym tych skał dominuje kalcyt dwóch generacji. Kalcyt pierwszej generacji tworzy ziarna mikrytowe, natomiast kalcyt drugiej generacji występuje w postaci ziaren sparytowych, zróżnicowanych pod względem wielkości i kształtu. Miejscami w ziarnach sparytowych można zaobserwować doskonałą łupliwość romboedryczną. Ponadto w skałach zidentyfikowano również dolomit, a z minerałów niewęglanowych - kwarc, muskowit oraz minerały ilaste. Badania mikroskopowe wykazały zróżnicowanie struktur próbek wapieni od biomorficznej, przez organodetrytyczną, sparytową, mikrosparytową do mikrytowej.
Removal of magnesium from sphalerite concentrates by means of spent electrolyte deriving from the process of cathode zinc extraction
Authors: Jarosiñski Andrzej , Kozak Adam , Żelazny Sylwester , Radomski Piotr 
Published: February 2013

Streszczenie
Występowanie złóż rud cynku i ołowiu w skałach dolomitowych sprawia, że otrzymane koncentraty sfa-lerytowe zawierają domieszkę dolomitu. Praktyka wskazuje, że znaczna część wprowadzanego magnezu z su­rowcami cynkowymi przechodzi do ostatniej fazy produkcji, elektrolizy cynku. Obecność magnezu w elektrolicie obniża przewodnictwo elektryczne elektrolitu i powoduje pogorszenie wskaźników techniczno-ekonomicznych. Celem opisanych w tym artykule badań było opracowanie metody usuwania magnezu z surowego koncentratu sfalerytowego na drodze chemiczno-flotacyjnej, stosując zużyty elektrolit pochodzący z elektrolizy cynku. Opracowanie ukierunkowano wokół doświadczalnego zobrazowania istniejących zależności i ustalenia opty­malnych warunków zaproponowanej procedury. Stopień wyługowania magnezu wynosił około 80%. Straty cynku wynosiły poniżej 2%, natomiast stężenie magnezu w roztworze wynosiło 20%. Z tych roztworów można odzys­kiwać magnez i cynk, co będzie przedstawione w następnej publikacji.
Lichens, Lichenicolous and Allied Fungi Found in Asveja Regional Park (Lithuania)
Authors: Motiejūnaitė Jurga , Berglund Toni , Czarnota Paweł , Himelbrant Dmitry , Högnabba Filip , Konoreva Liudmila A. , Korchikov Eugeny S. , Kubiak Dariusz , Kukwa Martin , Kuznetsova Ekaterina , Leppik Ede , Lõhmus Piret , Lukošienė Ingrida Prigodina , Juha Pykälä , Stončius Darius , Stepanchikova Irina , Suija Ave , Thell Arne , Tsurykau Andrei , Westberg Martin 
Published: February 2013

Abstract
Motiejūnaitė J., Berglund T., Czarnota P., Himelbrant D., Högnabba F., Konoreva L. A., Korchikov E. S., Kubiak D., Kukwa M., Kuznetsova E., Leppik E., Lõhmus P., Prigodina Lukošienė I., Pykälä J., Stončius D., Stepanchikova I., Suija A., Thell A., Tsurykau A., Westberg M., 2012: Lichens, lichenicolous and allied fungi found in Asveja Regional Park (Lithuania) [Kerpės, lichenofiliniai ir kerpėms artimi saprotrofiniai grybai Asvejos regioniniame parke]. - Bot. Lith., 18(2): 85-100. The paper reports the results of lichenological investigations in Asveja Regional Park (eastern Lithuania). A large part of the study was performed during the joint 18th Symposium of the Baltic Mycologists and Lichenologists (BMLS) and Nordic Lichen Society (Nordisk Lichenologisk Förening, NLF) meeting on 19-23 September 2011. A list of 259 species is presented. Of these, 30 species are new to Lithuania. Arthonia helvola, Bacidina sulphurella, Candelariella lutella, Catillaria croatica, Cladonia conista, Gyalecta derivata, Lecanoraquercicola, Leptosphaeria ramalinae, Strigula jamesii, Trichonectria rubefaciens, Verrucaria banatica, V. boblensis, V. christiansenii, V. illinoisensis, V. inornata, V. nigrofusca, V. trabicola, Zwackhiomyces diederichii were recorded for the first time in the Baltic countries. New lichens to Lithuania are as follows: Bacidiaincompta, Caloplaca crenulatella, C. pyracea, Catinaria atropurpurea, Lecanora populicola, L. semipallida, Mycobilimbia epixanthoides, Ramalina dilacerata, Verrucaria inaspecta, and new lichenicolous fungi are: Cladosporium licheniphilum, Stigmidium microspilum, Xenonectriella leptalea. Eighteen species included in the Lithuanian Red Data Book were recorded, which is the highest number known for any studied area in Lithuania.
Effect of External and Internal Factors on Secondary Metabolites Accumulation in St. John’s Worth
Authors: Radušienė Jolita , Karpavičienė Birutė , Stanius Žydrūnas 
Published: February 2013

Abstract
Radušienė J., Karpavičienė B., Stanius Ž., 2012: Effect of external and internal factors on secondary metabolites accumulation in St. John’s worth [Vidinių ir išorinių faktorių įtaka antrinių metabolitų kaupimuisi paprastojoje jonažolėje]. - Bot. Lith., 18(2): 101-108.
The effect of modified external factors such as temperature and light intensity, and plant internal factors - phenological phase and their possible interaction was investigated on accumulation of bioactive secondary metabolites in Hypericum perforatum L. The plants were grown under different temperature and light intensity conditions in a greenhouse. The results suggested that accumulation of secondary metabolites highly depends on temperature and light intensity conditions and phenological cycle, though the influence of both variables differed for the particular compounds. Phenolic compound quantities changed greatly during plant development, and the highest levels were reached at flowering phase under both experiment conditions. Changes in naphthodianthrones content at higher temperature and light intensity followed the same increasing tendency as that for phenolic compounds. The significant decrease of temperature and light intensity were found to be crucial negative factors for accumulation of naphthodianthrones. The highest level of hyperforin was accumulated at vegetative phase that fall down during phenological development of plants under both experiment conditions.
Student Experiences in Creating and Launching a Student-Led Physical Therapy Pro Bono Clinic: A Qualitative Investigation
Authors: Black Jill D. , Palombaro Kerstin M. , Dole Robin L. 
Published: February 2013

Background
The physical therapy profession has called for the provision of pro bono services. Little is known about the impact on students involved in sustainable pro bono leadership. One physical therapy program established a pro bono physical therapy clinic under the direct leadership of a board of students.

Objective
The purpose of this study was to describe the experiences of the inaugural members of the Chester Community Physical Therapy Clinic Student Board in creating and launching the student-led pro bono physical therapy clinic.

Methods
A purposive sample of the 18 members participated in semistructured interviews. Content analysis was conducted using a commercially available software program. Trustworthiness was enhanced with credibility, transferability, and confirmability.

Results
The emergent categories were: (1) leadership skill development, (2) competency in hands-on clinical and administrative skills, and (3) commitment to both the community and the clinic. Pride emerged as a strong and overarching theme throughout the experience.

Conclusions
The student-led pro bono clinic meets several Commission on Accreditation in Physical Therapy Education criteria in a sustainable manner and serves as a means for measuring and meeting program mission and goals. Participation in the program was a meaningful experience and developed ownership, leadership skills, and pride among the students. There are also possibilities for expanding aspects of the program so that all physical therapist students can benefit from pro bono service opportunities.
A New sp2‐sp2 Dialkylethylene‐Bridged Heptacyclic Ladder‐Type Arene for High Efficiency Polymer Solar Cells
Authors: Wu Jhong‐Sian , Lai Yu‐Ying , Cheng Yen‐Ju , Chang Chih‐Yu , Wang Chien‐Lung , Hsu Chain‐Shu 
Published: February 2013

AbstractA new dithienobenzo‐carbazole (DTBC) heptacyclic arene using sp2‐sp2 dialkylethylene moiety as the bridge was successfully synthesized by Suzuki‐Miyaura cross‐coupling reaction. This facile benzoannulation planarizes the conjugated framework with the concomitant introduction of four octyl substituents, making the newly designed copolymer PDTBCDTBT exhibit solution processability, superior absorption ability, lower‐lying HOMO energy level, and crystalline nature. The solar cell using PDTBCDTBT has produced a high efficiency of 6.2%, which outperforms the corresponding sp3‐hybridized C‐bridged, Si‐bridged and N‐bridged analogous polymers.
Male Scarcity is Associated with Higher Prevalence of Premature Gestation and Low Birth Weight Births Across the United States
Authors: Kruger Daniel J. , Clark Jillian , Vanas Sarah 
Published: February 2013

ObjectivesModern adverse birth outcomes may partially result from mechanisms evolved to evaluate environmental conditions and regulate maternal investment trade‐offs. Male scarcity in a population is associated with a cluster of characteristics related to higher mating effort and lower paternal investment. We predicted that modern populations with male scarcity would have shorter gestational times and lower birth weights on average.MethodsWe compared US Centers for Disease Control and Prevention county‐aggregated year 2000 birth records with US Decennial Census data. We combined these data in a path model with the degree of male scarcity and known socio‐economic predictors of birth outcomes as exogenous predictors of prematurity and low birth weight, with single mother households as a proportion of families with children as a mediator (N = 450).ResultsMale scarcity was directly associated with higher rates of low birth weight. Male scarcity made significant indirect predictions of rates of prematurity and low birth weight, as mediated by the proportion of families headed by single mothers. Aggregate socio‐economic status also indirectly predicted birth outcomes, as mediated by the proportion of families headed by single mothers, whereas the proportion African American retained both direct and indirect predictions of adverse birth outcomes.ConclusionsMale scarcity influences life history tradeoffs, with consequences for important social and public health issues such as adverse birth outcomes. Am. J. Hum. Biol. 25:225–227, 2013. © 2013 Wiley Periodicals, Inc.
Association of Self‐Reported Familial History of Cardiometabolic Disease with Metabolic Syndrome in Apparently Healthy Urban Colombian Men
Authors: Suárez‐Ortegón Milton F. , Arbeláez Alejandra , Mosquera Mildrey , Méndez Fabian , Pradilla Alberto , Plata Cecilia Aguilar‐de 
Published: February 2013

ObjectivesEvidence about the relationship between familial history (FH) of cardiometabolic disease (CMD) and metabolic syndrome (MetS) in Latin American populations is scarce. The aim of this study was to evaluate the relationship of FH of CMD and of dyslipidemia and obesity with MetS in healthy men.MethodsOne‐hundred‐twenty one individuals were recruited. Waist circumference and blood pressure were measured by a trained researcher using standard techniques. Glycemia and lipid profile were determined by colorimetric assays. A survey to record personal data and family antecedents in siblings, aunts/uncles, parents, and grandparents was conducted by trained interviewers.ResultsIndividuals having three or more familial antecedents were associated with high triglycerides level even after adjusting by age, sedentarism, fat and carbohydrates intake, and alcohol consumption. After adjusting for the same variables, FH of dyslipidemia and hypertension was also associated with high triglycerides levels and elevated waist circumference, respectively. The FH of stroke was associated with high blood pressure after adjusting for the rest of familial antecedents, and with MetS in all adjustment models.Discussionthe findings of association of this study together with the previous reports are evidence of the importance of hereditary component as independent predictor of cardiovascular risk factors and its clustering, as well as of possible specific association patterns between FH of CMD and MetS depending on evaluated population in terms of ethnic groups and geographic region. Further studies are required in other populations, as well as exploration of genetic markers of CMD regarding to MetS. Am. J. Hum. Biol. 25:228–230, 2013. © 2013 Wiley Periodicals, Inc.