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https://www.readbyqxmd.com/read/29777142/the-programmed-dna-elimination-and-formation-of-micronuclei-in-germ-line-cells-of-the-natural-hybridogenetic-water-frog-pelophylax-esculentus
#1
Magdalena Chmielewska, Dmitry Dedukh, Katarzyna Haczkiewicz, Beata Rozenblut-Kościsty, Mikołaj Kaźmierczak, Krzysztof Kolenda, Ewa Serwa, Agnieszka Pietras-Lebioda, Alla Krasikova, Maria Ogielska
DNA elimination is a radical form of gene silencing and occurs both in somatic and germ cells. The programmed DNA elimination occurs during gametogenesis in interspecies hybrids that reproduce by hybridogenesis (stick insects, fishes, and amphibians) and concerns removal of whole genomes of one of the parental species and production of clonal gametes propagating the genome of the other species. The cellular mechanisms differ considerably in hybridogenetic insects and fishes but remains unknown in edible frogs Pelophylax esculentus, natural hybrids between Pelophylax lessonae and Pelophylax ridibundus...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776086/universal-avalanche-statistics-and-triggering-close-to-failure-in-a-mean-field-model-of-rheological-fracture
#2
Jordi Baró, Jörn Davidsen
The hypothesis of critical failure relates the presence of an ultimate stability point in the structural constitutive equation of materials to a divergence of characteristic scales in the microscopic dynamics responsible for deformation. Avalanche models involving critical failure have determined common universality classes for stick-slip processes and fracture. However, not all empirical failure processes exhibit the trademarks of criticality. The rheological properties of materials introduce dissipation, usually reproduced in conceptual models as a hardening of the coarse grained elements of the system...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29776005/flexible-and-hierarchical-metal-organic-framework-composites-for-high-performance-catalysis
#3
Ning Huang, Hannah Drake, Jialuo Li, Jiangdong Pang, Ying Wang, Shuai Yuan, Qi Wang, Peiyu Cai, Junsheng Qin, Hong-Cai Zhou
The development of new types of porous composite materials is of great significance owing to their potentially improved performance over those of individual components and extensive applications in separation, energy storage, and heterogeneous catalysis. In this work, we integrated mesoporous metal-organic frameworks (MOFs) with macroporous melamine foam (MF) using a one-pot process, generating a series of MOF/MF composite materials with preserved crystallinity, hierarchical porosity, and increased stability over that of melamine foam...
May 18, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29775226/moxibustion-for-cephalic-version-of-breech-presentation
#4
REVIEW
Judith M Schlaeger, Cynthia L Stoffel, Jeanie L Bussell, Hui Yan Cai, Miho Takayama, Hiroyoshi Yajima, Nobuari Takakura
Moxibustion, a form of traditional Chinese medicine (TCM), is the burning of the herb moxa (Folium Artemisiae argyi or mugwort) over acupuncture points. It is often used in China to facilitate cephalic version of breech presentation. This article reviews the history, philosophy, therapeutic use, possible mechanisms of action, and literature pertaining to its use for this indication. For moxibustion, moxa can be rolled into stick form, placed directly on the skin, or placed on an acupuncture needle and ignited to warm acupuncture points...
May 18, 2018: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/29774672/glucose-sensitive-silicone-hydrogel-contact-lens-toward-tear-glucose-monitoring
#5
Ramachandram Badugu, Edward Albert Reece, Joseph R Lakowicz
Accurate and reliable monitoring of blood glucose is needed for the treatment of diabetes, which has many challenges, including lack of patient compliance. Measuring tear glucose is an alternative to traditional finger-stick tests used to track blood sugar levels, but glucose sensing using tears has yet to be achieved. We report a methodology for possible tear glucose monitoring using glucose-sensitive silicone hydrogel (SiHG) contact lenses, the primary type of lenses available in today's market. Initially, we assessed the interpenetrating polymer network, with nearly pure silicone and water regions, existing in the SiHGs using a polarity-sensitive probe Prodan...
May 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29774362/impact-of-a-pharmacy-led-smoking-cessation-clinic-in-a-dermatology-centre
#6
Hui Mei Cheng, Wen Chun Liu, Germaine Chua, Choon Fong Liew, Winnie Li, Winnie Choo, Hazel H Oon
INTRODUCTION: Cigarette smoking is a leading cause of morbidity and mortality, and has a deleterious effect on dermatological conditions, such as skin cancers, hidradenitis suppurativa and psoriasis. The study aimed to evaluate the efficacy of a pharmacist-led smoking cessation clinic in reducing cigarette smoking at a tertiary referral dermatology centre. We describe the impact of this clinic to provide guidance on how such a model could be further improved and implemented more widely...
May 18, 2018: Singapore Medical Journal
https://www.readbyqxmd.com/read/29773935/factors-contributing-to-appropriate-sharps-disposal-in-the-community-among-patients-with-diabetes
#7
Li Huang, Svetlana Katsnelson, Jie Yang, Charalambos Argyrou, Marina M Charitou
Background: Proper disposal of sharps has been well studied in hospital settings but not often addressed in the home setting. This lack of attention has resulted in erratic use of proper sharps disposal techniques and thus increased risk of needle-stick injuries and infections. This study aimed to evaluate methods of disposal and patient demographic factors associated with correct disposal of diabetes-related sharps in the community. Methods: A survey was administered to diabetes patients at an endocrinology clinic of an academic tertiary care center...
May 2018: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/29769067/antioxidant-capacity-of-cinnamon-extract-for-palm-oil-stability
#8
Muhammad Zia Shahid, Hafiza Saima, Adeela Yasmin, Muhammad Tahir Nadeem, Muhammad Imran, Muhammad Afzaal
BACKGROUND: Spices and their bioactive components are more promising attractions for their inclusion in diet-based regimes to improve human health. These are sources of natural antioxidants and play an important role in the chemoprevention of diseases and aging. The aim of the current study was to explore the antioxidant potential of cinnamon; a widely used spice throughout the world. METHODS: The current research was aimed to investigate the antioxidant potential of cinnamon extract...
May 16, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29765441/suspected-unexpected-and-other-adverse-reactions-to-antiretroviral-drugs-used-as-post-exposure-prophylaxis-of-hiv-infection-five-year-experience-from-clinical-practice
#9
Justyna D Kowalska, Ewa Pietraszkiewicz, Ewa Firląg-Burkacka, Andrzej Horban
Introduction: With increased use of antiretroviral drugs (ARVs) in HIV uninfected persons, proper reporting on suspected unexpected serious adverse reactions (SUSARs) and continued insight into adverse drug reactions (ADRs) are needed for adequate information on safety of ARVs in such populations. Material and methods: Medical documentation of persons receiving ARVs after non-occupational HIV exposure (non-occupational post-exposure prophylaxis - nPEP) during 5 successive years (2009-2013) was evaluated by two HIV physicians...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29758677/escape-time-relaxation-and-sticky-states-of-a-softened-henon-heiles-model-low-frequency-vibrational-mode-effects-and-glass-relaxation
#10
J Quetzalcóatl Toledo-Marín, Gerardo G Naumis
Here we study the relaxation of a chain consisting of three masses joined by nonlinear springs and periodic conditions when the stiffness is weakened. This system, when expressed in their normal coordinates, yields a softened Henon-Heiles system. By reducing the stiffness of one low-frequency vibrational mode, a faster relaxation is enabled. This is due to a reduction of the energy barrier heights along the softened normal mode as well as for a widening of the opening channels of the energy landscape in configurational space...
April 2018: Physical Review. E
https://www.readbyqxmd.com/read/29757413/evaluation-of-iron-stores-by-zinc-protoporphyrin-analysis-in-blood-donors
#11
Richard R Gammon, Tania Kozel, Patrick Morel, Christopher Kendrick
Background: Zinc protoporphyrin (ZPP) testing has been studied previously as a substitute for ferritin (fer) testing of blood donors in determining iron stores. Objective: To determine whether ZPP testing could be performed using specimens collected via the capillary (cap) finger-stick (FS) method, similar to predonation hemoglobin (HB) testing. Also, we evaluated the correlation among FS HB, venous (ven) ZZP, FS ZPP, and ven fer levels as predictors of iron depletion...
May 11, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29756602/exploring-load-velocity-and-surface-disorder-dependence-of-friction-with-one-dimensional-and-two-dimensional-models
#12
Omur E Dagdeviren
The effect of surface disorder, load, and velocity on friction between a single asperity contact and a model surface is explored with one-dimensional and two-dimensional Prandtl-Tomlinson (PT) models. We show that there are fundamental physical differences between the predictions of one-dimensional and two-dimensional models. The one-dimensional model estimates a monotonic increase in friction and energy dissipation with load, velocity, and surface disorder. However, two-dimensional PT model, which is expected to approximate a tip-sample system more realistically, reveals a non-monotonic trend, i...
May 14, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29756070/reducing-severe-hypoglycaemia-in-hospitalised-patients-with-diabetes-early-outcomes-of-standardised-reporting-and-management
#13
Katherine A Araque, Deepak K Kadayakkara, Nino Gigauri, Diane Sheehan, Sachin Majumdar, Gregory Buller, Clare A Flannery
Background: Severe hypoglycaemic events (HGEs) in hospitalised patients are associated with poor outcomes and prolonged hospitalization. Systematic, coordinated care is required for acute management and prevention of HGEs; however, studies evaluating quality control efforts are scarce. Objective: To investigate the effectiveness of system-based interventions to improve management response to HGEs. Methods: System-based interventions were designed and implemented following a root cause analysis of HGE in adult patients with diabetes from two general medical wards with the highest incidence of HGE...
2018: BMJ Open Quality
https://www.readbyqxmd.com/read/29755631/anomalous-coronary-artery-from-the-opposite-sinus-acaos-technical-challenges-during-percutaneous-coronary-intervention
#14
Santosh Kumar Sinha, Mahmodula Razi, Anupam Mahrotra, Puneet Aggarwal, Anupam Singh, Lokendra Rekwal, Sunil Tripathi, Nishant Kumar Abhishekh, Vinay Krishna
Anomalies of the coronary arteries are reported in 1-2% of patients among diagnostic angiogram. Ectopic origin of right coronary artery (RCA) from opposite sinus is one of the most common and they are mainly benign, but at times may be malignant. We report a case of a 69-year-old male who underwent early invasive percutaneous coronary intervention for non-ST-segment elevation myocardial infarction (NSTEMI) where RCA arising from left sinus at the root of left main artery was culprit and various technical challenges were encountered while intervening in form of cannulation to tracking of hardwares...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29753218/evaluation-of-different-captive-bolt-lengths-and-breed-influence-upon-post-stun-hind-limb-and-forelimb-activity-in-fed-cattle-at-a-commercial-slaughter-facility
#15
Miriam S Martin, Helen C Kline, Dana R Wagner, Lacey R Alexander, Lily N Edwards-Callaway, Temple Grandin
The objective of this study was to assess the effects of captive bolt length and breed type on post-stun leg activity in cattle. A total of 2850 Holstein (HOL) and non-Holstein British/Continental bred (NHOL) steers and heifers were observed post-stunning at a large commercial slaughter facility. A pneumatically powered penetrating captive bolt stunner was used with three different bolt lengths: CON, 15.24 cm; MED, 16.51 cm; and LON, 17.78 cm. Hind limb kicking, forelimb activity, take away belt stops, carcass swing and number of knife sticks during exsanguination were recorded for each animal from video recording...
May 3, 2018: Meat Science
https://www.readbyqxmd.com/read/29751009/sticking-and-picking-in-pharmaceutical-tablet-compression-an-iq-consortium-review
#16
Sayantan Chattoraj, Patrick Daugherity, Todd McDermott, Angela Olsofsky, Wyatt J Roth, Mike Tobyn
Sticking and picking during tablet manufacture has received increasing interest recently, as it causes tablet defects, downtime in manufacturing and yield losses. The capricious nature of the problem means that it can appear at any stage of the development cycle, even when it has been deemed as low risk by models, tests and previous experience. In many cases, the problem manifests when transferring the process from one manufacturing site to another. Site transfers are more common than in previous times due to the multinational nature of drug product manufacture and the need for redundancy in manufacturing networks...
May 8, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29750797/critical-depth-raman-spectroscopy-enables-home-use-non-invasive-glucose-monitoring
#17
Signe M Lundsgaard-Nielsen, Anders Pors, Stefan O Banke, Jan E Henriksen, Dietrich K Hepp, Anders Weber
One of the most ambitious endeavors in the field of diabetes technology is non-invasive glucose sensing. In the past decades, a number of different technologies have been assessed, but none of these have found its entry into general clinical use. We report on the development of a table-top confocal Raman spectrometer that was used in the home of patients with diabetes and operated for extended periods of time unsupervised and without recalibration. The system is based on measurement of glucose levels at a 'critical depth' in the skin, specifically in the interstitial fluid located below the stratum corneum but above the underlying adipose tissue layer...
2018: PloS One
https://www.readbyqxmd.com/read/29750653/risk-of-hypoglycemia-in-youth-with-type-2-diabetes-on-insulin
#18
Madhia Shahid, Gabriel Q Shaibi, Hayley Baines, Pamela Garcia-Filion, Zoe Gonzalez-Garcia, Micah Olson
BACKGROUND: The objective of this study was to ascertain the risk of hypoglycemia among youth with type 2 diabetes (T2D) on insulin therapy. METHODS: Twenty-two youth with T2D on insulin therapy (M=12, F=10, age=14.4±4.0 years) were enrolled from a single pediatric endocrine practice. They were followed-up for 3 months with weekly phone calls and monthly in-person visits to review blood glucose logs and document any signs or symptoms of hypoglycemia (defined as finger stick glucose of ≤70 mg/dL)...
May 11, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29748706/evaluation-of-parental-and-surgeon-stressors-and-perceptions-of-distraction-osteogenesis-in-pediatric-craniofacial-patients-a-cross-sectional-survey-study
#19
Rosaline S Zhang, Lawrence O Lin, Ian C Hoppe, Ari M Wes, Jordan W Swanson, Scott P Bartlett, Jesse A Taylor
PURPOSE: There is a paucity of literature on how limitations of distraction osteogenesis (DO) are perceived by physicians and parents of pediatric patients. Specifically understanding which features of DO are most concerning to these two groups may better inform parent education, as well as direct improvements in distraction protocols and devices. METHOD: Parents/guardians of patients (between January 2016 and October 2017) being treated with craniofacial distraction were recruited to complete a survey regarding level of stress (1 = not stressful, 9 = maximally stressful) associated with eight features of DO...
May 11, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29743391/short-sleep-duration-among-thai-nurses-influences-on-fatigue-daytime-sleepiness-and-occupational-errors
#20
Jindarat Chaiard, Jirawan Deeluea, Benjamas Suksatit, Wanpen Songkham, Nonglak Inta
OBJECTIVES: This study was conducted to: 1) describe sleep duration, fatigue, daytime sleepiness, and occupational errors among Thai nurses and 2) explore the influence of sleep duration on fatigue, daytime sleepiness, and occupational errors. METHODS: A cross-sectional design was implemented. A convenience sample of 233 full-time nurses with at least one year of work experience was recruited to participate in the study. Data were collected using self-reported questionnaires and 1-week sleep diaries...
May 9, 2018: Journal of Occupational Health
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