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https://www.readbyqxmd.com/read/28343633/seasonal-dynamics-of-marine-litter-along-the-bulgarian-black-sea-coast
#1
Anna Simeonova, Rozalina Chuturkova, Velika Yaneva
In this study marine litter (ML) surveys were conducted in 8 beaches along the Bulgarian Black Sea coastline within 4 seasons for 2015-2016. The monitoring applied OSPAR guideline, classifying ML in eight categories and 167 types. The results exhibited predominance of artificial polymer materials - 84.3%. ML densities ranged from 0.0587±0.005 to 0.1343±0.008 n/m(2), highest on the urban beaches. The seasonal dynamics of most top 10 ML showed highest quantities in summer than the other seasons, as the differences are of high statistical significance (0...
March 23, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28341879/intra-articular-findings-in-symptomatic-minor-instability-of-the-lateral-elbow-smile
#2
Paolo Arrigoni, Davide Cucchi, Riccardo D'Ambrosi, Usman Butt, Marc R Safran, Patrick Denard, Pietro Randelli
PURPOSE: Lateral epicondylitis is generally considered an extra-articular condition. The role of minor instability in the aetiology of lateral elbow pain has rarely been considered. The aim of this study was to evaluate the correlation of lateral ligamentous laxity with aspects of intra-articular lateral elbow pathology and investigate the role of minor instability in lateral elbow pain. METHODS: Thirty-five consecutive patients aged between 20 and 60 years with recalcitrant lateral epicondylitis who had failed conservative therapy and had no previous trauma or overt instability, were included...
March 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28340932/predicting-first-trimester-pregnancy-outcome-derivation-of-a-multiple-marker-test
#3
Suneeta Senapati, Mary D Sammel, Samantha F Butts, Peter Takacs, Karine Chung, Kurt T Barnhart
OBJECTIVE: To predict first trimester pregnancy outcome using biomarkers in a multicenter cohort. DESIGN: Case-control study. SETTING: Three academic centers. PATIENT(S): Women with pain and bleeding in early pregnancy. INTERVENTION(S): Sera from women who were 5-12 weeks' gestational age with ectopic pregnancy (EP), viable intrauterine pregnancy (IUP), and miscarriage/spontaneous abortion (SAB) was analyzed by ELISA and immunoassay for activin A, inhibin A, P, A Disintegrin And Metalloprotease-12, pregnancy-associated plasma protein A (PAPP-A), pregnancy specific B1-glycoprotein (SP1), placental-like growth factor, vascular endothelial growth factor, glycodelin (Glyc), and hCG...
December 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/28334892/inhibition-of-homologous-phosphorolytic-ribonucleases-by-citrate-may-represent-an-evolutionarily-conserved-communicative-link-between-rna-degradation-and-central-metabolism
#4
Carlanne M Stone, Louise E Butt, Joshua C Bufton, Daniel C Lourenco, Darren M Gowers, Andrew R Pickford, Paul A Cox, Helen A Vincent, Anastasia J Callaghan
Ribonucleases play essential roles in all aspects of RNA metabolism, including the coordination of post-transcriptional gene regulation that allows organisms to respond to internal changes and environmental stimuli. However, as inherently destructive enzymes, their activity must be carefully controlled. Recent research exemplifies the repertoire of regulatory strategies employed by ribonucleases. The activity of the phosphorolytic exoribonuclease, polynucleotide phosphorylase (PNPase), has previously been shown to be modulated by the Krebs cycle metabolite citrate in Escherichia coli...
March 3, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334100/an-organismal-concept-for-sengelia-radicans-gen-et-sp-nov-morphology-and-natural-history-of-an-early-devonian-lycophyte
#5
Kelly K S Matsunaga, Alexandru M F Tomescu
Background and Aims: Fossil plants are found as fragmentary remains and understanding them as natural species requires assembly of whole-organism concepts that integrate different plant parts. Such concepts are essential for incorporating fossils in hypotheses of plant evolution and phylogeny. Plants of the Early Devonian are crucial to reconstructing the initial radiation of tracheophytes, yet few are understood as whole organisms. Methods: This study assembles a whole-plant concept for the Early Devonian lycophyte Sengelia radicans gen...
February 20, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28324030/early-prenatal-phthalate-exposure-sex-steroid-hormones-and-newborn-birth-outcomes
#6
Sheela Sathyanarayana, Samantha Butts, Christina Wang, Emily Barrett, Ruby Nguyen, Stephen M Schwartz, Wren Haaland, Shanna H Swan
Background: Adequate sex steroid hormone concentrations are essential for normal fetal genital development in early pregnancy. Our previous study demonstrated an inverse relationship between third trimester di-ethyl hexyl (DEHP) phthalate exposure and total testosterone (TT) concentrations. Here, we examine early pregnancy phthalates, sex steroid hormone concentrations, and newborn reproductive outcomes. Methods: We examined associations between urinary phthalate metabolite concentrations in early pregnancy and serum free testosterone (FT), TT, estrone (E1), and estradiol (E2) in 591 woman/infant dyads in The Infant Development and Environment Study; we also examined relationships between hormones and newborn genital outcomes using multiple regression models with covariate adjustment...
March 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322777/preeclampsia-and-cognitive-impairment-later-in-life
#7
Julie A Fields, Vesna D Garovic, Michelle M Mielke, Kejal Kantarci, Muthuvel Jayachandran, Wendy M White, Alissa M Butts, Jonathan Graff-Radford, Brian D Lahr, Kent R Bailey, Virginia M Miller
BACKGROUND: Hypertension is a risk factor for cerebrovascular disease and cognitive impairment. Women who suffer hypertensive episodes during pregnancy report variable neurocognitive changes within the first decade following the affected pregnancy. However, long-term follow-up of these women into their post-menopausal years has not been conducted. OBJECTIVE: The aim of this study was to examine whether women with a history of preeclampsia were at increased risk of cognitive decline 35-40 years after the affected pregnancy...
March 17, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28319860/effects-of-silver-nanoparticles-on-survival-biomass-change-and-avoidance-behaviour-of-the-endogeic-earthworm-allolobophora-chlorotica
#8
C Brami, A R Glover, K R Butt, C N Lowe
Increasing commercial application of silver nanoparticles (Ag NP) and subsequent presence in wastewater and sewage sludge has raised concerns regarding their effects in the aquatic and terrestrial environment. Several studies have employed standardised acute and chronic earthworm-based tests to establish the toxicological effects of Ag NP within soil. These studies have relied heavily on the use of epigiec earthworm species which may have limited ecological relevance in mineral soil. This study assessed the influence of Ag NP (uncoated 80nm powder) and AgNO3 on survival, change in biomass and avoidance behaviour in a soil dwelling (endogiec) species, Allolobophora chlorotica...
March 15, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28317001/temporal-trends-in-exposure-to-organophosphate-flame-retardants-in-the-united-states
#9
Kate Hoffman, Craig M Butt, Thomas F Webster, Emma V Preston, Stephanie C Hammel, Colleen Makey, Amelia M Lorenzo, Ellen M Cooper, Courtney Carignan, John D Meeker, Russ Hauser, Adelheid Soubry, Susan K Murphy, Thomas M Price, Cathrine Hoyo, Emma Mendelsohn, Johanna Congleton, Julie L Daniels, Heather M Stapleton
During the past decade, use of organophosphate compounds as flame retardants and plasticizers has increased. Numerous studies investigating biomarkers (i.e., urinary metabolites) demonstrate ubiquitous human exposure and suggest that human exposure may be increasing. To formally assess temporal trends, we combined data from 14 U.S. epidemiologic studies for which our laboratory group previously assessed exposure to two commonly used organophosphate compounds, tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) and triphenyl phosphate (TPHP)...
March 14, 2017: Environmental Science & Technology Letters
https://www.readbyqxmd.com/read/28302233/an-unusual-case-of-caecal-volvulus-due-to-appendicitis-successfully-managed-by-caecopexy
#10
Samiullah Bhatti, Mahmood Ayyaz Khan, Waris Farooka, Usman Ismat Butt, Usman Ali Rehman, Awais Amjad Malik
Caecal volvulus is a rare cause of intestinal obstruction. Caecal volvulus precipitated by acute appendicitis is even rarer. We report an unusual case of caecal volvulus with acute appendicitis as a cause. A 55-year female presented in surgical emergency with 3 days history of abdominal pain, distension and absolute constipation; and 2 days history of vomiting. Her past surgical history was significant for hysterectomy 5 years back. On examination, abdomen was distended and bowel sounds exaggerated. X-ray abdomen erect showed a single large air fluid level in the right hemiabdomen...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28299734/using-small-angle-x-ray-scattering-saxs-to-characterize-the-solution-conformation-and-flexibility-of-matrix-metalloproteinases-mmps
#11
Louise E Butt, Robert A Holland, Nikul S Khunti, Debra L Quinn, Andrew R Pickford
Small angle X-ray scattering (SAXS) provides information about the conformation and flexibility of proteins in solution, and hence provides complementary structural information to that obtained from X-ray crystallography and nuclear magnetic resonance spectroscopy. In this chapter, we describe the methods for the preparation of matrix metalloproteinase (MMP) samples for SAXS analyses, and for the acquisition, processing and interpretation of the SAXS data.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28295107/self-wrapping-of-an-ouzo-drop-induced-by-evaporation-on-a-superamphiphobic-surface
#12
Huanshu Tan, Christian Diddens, Michel Versluis, Hans-Jürgen Butt, Detlef Lohse, Xuehua Zhang
Evaporation of multi-component drops is crucial to various technologies and has numerous potential applications because of its ubiquity in nature. Superamphiphobic surfaces, which are both superhydrophobic and superoleophobic, can give a low wettability not only for water drops but also for oil drops. In this paper, we experimentally, numerically and theoretically investigate the evaporation process of millimetric sessile ouzo drops (a transparent mixture of water, ethanol, and trans-anethole) with low wettability on a superamphiphobic surface...
March 15, 2017: Soft Matter
https://www.readbyqxmd.com/read/28294205/fracture-resistance-of-different-implant-abutments-supporting-%C3%A2-all-ceramic-single-crowns-after-aging
#13
Michael Stimmelmayr, Philipp Heiß, Kurt Erdelt, Josef Schweiger, Florian Beuer
OBJECTIVE: To test the mechanical properties of three different restorative materials for implant abutments supporting all-ceramic single crowns. MATERIALS AND METHODS: Thirty implants with butt-joint connections were distributed into three test groups: Group A with 10 one-piece zirconia abutments, Group U with 10 titanium abutments, and Group T with 10 titanium-zirconia hybrid abutments. Monolithic zirconia single crowns were cemented and artificially aged. The crowns were loaded at a 30-degree angle in a universal testing machine until fracture or bending...
2017: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28293156/indications-of-implant-removal-a-study-of-83-cases
#14
Muhammad Haseeb, Muhammad Farooq Butt, Tariq Altaf, Khalid Muzaffar, Anil Gupta, Aleena Jallu
INTRODUCTION: Fracture fixation has become advanced with the advent of new and custom metal implants for each type of bone/fracture. After union though, the implant ceases to be important and may be removed. Routine removal is advocated by some and opposed by others. Nevertheless, some patients require removal of the hardware because of various implant-related problems. Our study was aimed at identifying the most common causes for implant removal. OBJECTIVE: To investigate the common indications of orthopedic implant removal surgeries...
January 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/28292611/asrm-standard-embryo-transfer-protocol-template-a-committee-opinion
#15
Alan Penzias, Kristin Bendikson, Samantha Butts, Christos Coutifaris, Tommaso Falcone, Gregory Fossum, Susan Gitlin, Clarisa Gracia, Karl Hansen, Jennifer Mersereau, Randall Odem, Robert Rebar, Richard Reindollar, Mitchell Rosen, Jay Sandlow, Michael Vernon
Standardization improves performance and safety. A template for standardizing the embryo transfer procedure is presented here with 12 basic steps supported by published scientific literature and a survey of common practice of SART programs; it can be used by ART practices to model their own standard protocol.
March 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28290211/influence-of-hematuria-and-infection-on-diagnostic-accuracy-of-urinary-lasp1-a-new-biomarker-for-bladder-carcinoma
#16
Elke Butt, Jan Ebbing, Lukas Bubendorf, Peter Ardelt
AIM: To further promote the clinical use of urinary LASP1 as biomarker for urothelial carcinoma of the bladder regarding limitations and alternative testing systems. PATIENTS & METHODS: Urine stabilization, alternative measurement systems and limitations by erythrocyte contamination and infection were investigated in 246 patients. RESULTS: Thimerosal allowed sufficient stabilization. Fluorescence-activated cell sorting analysis was not influenced by presence of erythrocytes or leukocytes and reliably urothelial carcinoma of the bladder but cell counts in specimen were low...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28286724/a-questionnaire-based-survey-of-physical-medicine-and-rehabilitation-residency-training-in-pakistan
#17
Farooq A Rathore, Aamir W Butt, Nabila Soomro, Noreen Akhtar
Pakistan is one of the three countries in South East Asia that has an active postgraduate physical medicine and rehabilitation (PM&R) training program. College of Physicians and Surgeons Pakistan (CPSP) offers a four-year structured training program in PM&R. It consists of clinical teaching, lectures, rotations in other specialties, and writing a research dissertation. The aim of this survey was to provide an objective analysis of the current PM&R training program, including the facilities available for training, the participation of residents in academic activities, and their participation in different PM&R procedures...
January 31, 2017: Curēus
https://www.readbyqxmd.com/read/28284560/computational-discovery-of-niclosamide-ethanolamine-a-repurposed-drug-candidate-that-reduces-growth-of-hepatocellular-carcinoma-cells-in-vitro-and-in-mice-by-inhibiting-cdc37-signaling
#18
Bin Chen, Wei Wei, Li Ma, Bin Yang, Ryan M Gill, Mei-Sze Chua, Atul J Butte, Samuel So
BACKGROUND & AIMS: Drug repositioning offers a shorter approval process than new drug development. We therefore searched large public datasets of drug-induced gene expression signatures to identify agents that might be effective against hepatocellular carcinoma (HCC). METHODS: We searched public databases of mRNA expression patterns reported from HCC specimens from patients, HCC cell lines, and cells exposed to various drugs. We identified drugs that might specifically increase expression of genes that are downregulated in HCCs and reduce expression of genes upregulated in HCCs using a non-parametric, rank-based pattern-matching strategy based on the Kolmogorov-Smirnov statistic...
March 8, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28283918/at-the-heart-of-the-pregnancy-what-prenatal-and-cardiovascular-genetic-counselors-need-to-know-about-maternal-heart-disease
#19
REVIEW
Ana Morales, Dawn C Allain, Patricia Arscott, Emily James, Gretchen MacCarrick, Brittney Murray, Crystal Tichnell, Amy R Shikany, Sara Spencer, Sara M Fitzgerald-Butt, Jessica D Kushner, Christi Munn, Emily Smith, Katherine G Spoonamore, Harikrishna S Tandri, W Aaron Kay
In the last decade, an increasing number of cardiac conditions have been shown to have a genetic basis. Cardiovascular genetic counseling has emerged as a subspecialty aiming to identify unaffected at-risk individuals. An important sector of this at-risk population also includes expectant mothers, in whom unique clinical challenges may arise. Genetic counselors, especially those in cardiovascular and prenatal settings, have an opportunity to identify and assist women who may benefit from cardiovascular care during pregnancy...
March 10, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28282043/photoswitching-of-glass-transition-temperatures-of-azobenzene-containing-polymers-induces-reversible-solid-to-liquid-transitions
#20
Hongwei Zhou, Changguo Xue, Philipp Weis, Yasuhito Suzuki, Shilin Huang, Kaloian Koynov, Günter K Auernhammer, Rüdiger Berger, Hans-Jürgen Butt, Si Wu
The development of polymers with switchable glass transition temperatures (Tg) can address scientific challenges such as the healing of cracks in high-Tg polymers and the processing of hard polymers at room temperature without using plasticizing solvents. Here, we demonstrate that light can switch the Tg of azobenzene-containing polymers (azopolymers) and induce reversible solid-to-liquid transitions of the polymers. The azobenzene groups in the polymers exhibit reversible cis-trans photoisomerization abilities...
February 2017: Nature Chemistry
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