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Behavioural Modification

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https://www.readbyqxmd.com/read/28331201/synchrony-of-plant-cellular-circadian-clocks-with-heterogeneous-properties-under-light-dark-cycles
#1
Masaaki Okada, Tomoaki Muranaka, Shogo Ito, Tokitaka Oyama
Individual cells in a plant can work independently as circadian clocks, and their properties are the basis of various circadian phenomena. The behaviour of individual cellular clocks in Lemna gibba was orderly under 24-h light/dark cycles despite their heterogeneous free-running periods (FRPs). Here, we reveal the entrainment habits of heterogeneous cellular clocks using non-24-h light/dark cycles (T-cycles). The cellular rhythms of AtCCA1::LUC under T = 16 h cycles showed heterogeneous entrainment that was associated with their heterogeneous FRPs...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327174/randomised-controlled-feasibility-study-of-a-school-based-multi-level-intervention-to-increase-physical-activity-and-decrease-sedentary-behaviour-among-vocational-school-students
#2
Nelli Hankonen, Matti T J Heino, Sini-Tuuli Hynynen, Hanna Laine, Vera Araújo-Soares, Falko F Sniehotta, Tommi Vasankari, Reijo Sund, Ari Haukkala
BACKGROUND: No school-based physical activity (PA) interventions among older adolescents have demonstrated long-term effectiveness, and few of them so far have addressed sedentary behaviour (SB). Based on behavioural theories and evidence, we designed a multi-level intervention to increase PA and decrease SB among vocational school students. This study investigates feasibility and acceptability of two main intervention components and research procedures. We also examine uptake of behaviour change techniques (BCTs) by the participants...
March 21, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28326344/osteogenic-stem-cell-selection-for-repair-and-regeneration
#3
Marcus Tillotson, Niall Logan, Peter Brett
The first osteogenic cells to attach to a titanium (Ti) implant after placement are the multipotent stromal cells (MSCs) that circulate in the bloodstream and are recruited to the site of tissue damage. The reservoirs of these cells are heterogeneous in nature, consisting of a mixture of cells with varying differentiation abilities. In order to utilise these cells and to reduce the chance of unwanted events during regenerative therapies, the selection of a subset of cells that is truly multipotent is required...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28322380/tm-iii-complexes-undergoing-slow-relaxation-of-magnetization-exchange-coupling-and-aging-effects
#4
A Amjad, A Figuerola, L Sorace
The present study focuses on the dynamic magnetic behaviour of exchange coupled 3d-4f complexes containing the scarcely investigated non-Kramers Tm(3+) center, the 3d metal ions being either the low-spin Fe(3+) (1) or the diamagnetic Co(3+) (2) ion. Both complexes display field-induced slow relaxation of magnetization. The field and temperature dependences of the relaxation rate provided indication of relevant contributions from quantum tunnelling, direct, Orbach and Raman processes, with only minor effects from exchange coupling interactions...
March 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28317964/how-does-ytterbium-chloride-interact-with-dmpc-bilayers-a-computational-and-experimental-study
#5
Miguel A Gonzalez, Hanna M G Barriga, Joanna L Richens, Robert V Law, Paul O'Shea, Fernando Bresme
Lanthanide salts have been studied for many years, primarily in Nuclear Magnetic Resonance (NMR) experiments of mixed lipid-protein systems and more recently to study lipid flip-flop in model membrane systems. It is well recognised that lanthanide salts can influence the behaviour of both lipid and protein systems, however a full molecular level description of lipid-lanthanide interactions is still outstanding. Here we present a study of lanthanide-bilayer interactions, using molecular dynamics computer simulations, fluorescence electrostatic potential experiments and nuclear magnetic resonance...
March 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28303544/intervention-strategies-used-in-sport-injury-prevention-studies-a-systematic-review-identifying-studies-applying-the-haddon-matrix
#6
REVIEW
Ingrid Vriend, Vincent Gouttebarge, Caroline F Finch, Willem van Mechelen, Evert A L M Verhagen
BACKGROUND: Prevention of sport injuries is crucial to maximise the health and societal benefits of a physically active lifestyle. To strengthen the translation and implementation of the available evidence base on effective preventive measures, a range of potentially relevant strategies should be considered. OBJECTIVE: Our aim was to identify and categorise intervention strategies for the prevention of acute sport injuries evaluated in the scientific literature, applying the Haddon matrix, and identify potential knowledge gaps...
March 16, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28294552/two-complementary-methods-to-control-gnrh-vaccination-improvac%C3%A2-misuse-in-horseracing-elisa-test-in-plasma-and-steroidomics-in-urine
#7
Ludovic Bailly-Chouriberry, Benoit Loup, Marie-Agnès Popot, Marie-Laure Dreau, Patrice Garcia, Jean-François Bruyas, Yves Bonnaire
Since the availability on the European market of the vaccine Improvac® dedicated to male pig immunological castration, the risk of misuse of this product to horses is now considered as a threat for the horseracing industry. The immunological castration is not allowed by the racing codes (immune system, Article 6). Indeed, this vaccination against the hypothalamic hormone "Luteinising Hormone Releasing Hormone" (LHRH) or "Gonadotropin-Releasing Hormone" (GnRH) will prevent the release from the anterior pituitary of the Luteinising Hormone (LH) and the Follicle Stimulating Hormone (FSH), which are required for the development and activity of gonads in males (testes) and female (ovaries) and therefore all their subsequent physiological functions...
March 11, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28288801/perceived-impact-of-nepalese-food-and-food-culture-in-diabetes
#8
Sujata Sapkota, Jo-Anne E Brien, Josephine Gwynn, Victoria Flood, Parisa Aslani
Consuming a healthy diet forms an important component of diabetes management; however, adhering to a healthy diet is challenging. Dietary behaviour is often guided by socio-cultural, environmental and emotional factors, and not necessarily by physical and nutritional needs. This study explored Nepalese patients' perceptions of the impact of diet, diet management requirement for diabetes and how Nepalese food culture in particular influenced diet management. Interviews were conducted with Nepalese participants with type 2 diabetes in Sydney and Kathmandu; and data was thematically analysed...
March 10, 2017: Appetite
https://www.readbyqxmd.com/read/28284794/natural-aversive-learning-in-tetramorium-ants-reveals-ability-to-form-a-generalizable-memory-of-predators-pit-traps
#9
Karen L Hollis, Kelsey McNew, Talisa Sosa, Felicia A Harrsch, Elise Nowbahari
Many species of ants fall prey to pit-digging larval antlions (Myrmeleon spp.), extremely sedentary predators that wait, nearly motionless at the bottom of their pit traps, for prey to stumble inside. Previous research, both in the field and laboratory, has demonstrated a remarkable ability of these ants to rescue trapped nestmates, thus sabotaging antlions' attempts to capture them. Here we show that pavement ants, Tetramorium sp. E, an invasive species and a major threat to biodiversity, possess yet another, more effective, antipredator strategy, namely the ability to learn to avoid antlion traps following a single successful escape from a pit...
March 8, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28282748/leukocyte-telomere-length-and-mortality-among-u-s-adults-effect-modification-by-physical-activity-behaviour
#10
Paul D Loprinzi, Jeremy P Loenneke
The purpose of this study was to examine the association between leukocyte telomere length (LTL) and mortality (outcome variable), with consideration by physical activity behaviour. Data from the 1999-2002 National Health and Nutrition Examination Survey were employed (N = 6,611; 20-85 yrs), with follow-up mortality assessment through 31 December 2006. DNA was extracted from whole blood to assess LTL via quantitative polymerase chain reaction. Compared to those in the first LTL tertile, the adjusted hazard ratio for all-cause mortality for those in the 2(nd) and 3(rd) LTL tertiles, respectively, was 0...
February 17, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28282150/ph-responsive-peptide-supramolecular-hydrogels-with-antibacterial-activity
#11
Yaoming Wan, Libing Liu, Shuaishuai Yuan, Jing Sun, Zhibo Li
Smart hydrogels have received increasing attention for many applications. Here, we synthesized a class of cationic peptide amphiphiles that can self-assemble into hydrogels by ring-opening polymerization (ROP) and post-modification strategy. The incorporation of cationic lysine residues suppress the formation of fibril-like structure and further the gelation ability of the samples. Sodium alginate (SA) is used to enhance the rheology performance of the hydrogels. The hydrogels exhibit pH-dependent self-assembling and the gelation behaviour that enables them ideal smart hydrogel system for biomedical applications...
March 10, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28279679/preventive-healthcare-for-young-children-a-systematic-review-of-interventions-in-primary-care
#12
REVIEW
Karyn E Alexander, Bianca Brijnath, Ruby Biezen, Kerry Hampton, Danielle Mazza
High rates of preventable health problems amongst children in economically developed countries have prompted governments to seek pathways for early intervention. We systematically reviewed the literature to discover what primary care-targeted interventions increased preventive healthcare (e.g. review child development, growth, vision screening, social-emotional health) for preschool children, excluding vaccinations. MEDLINE, EMBASE, CINAHL, and Cochrane databases were searched for published intervention studies, between years 2000 and 2014, which reflected preventive health activities for preschool children, delivered by health practitioners...
March 6, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28273970/clinicopathological-features-of-triple-negative-breast-carcinoma
#13
Gowry Maram Reddy, Pooja K Suresh, Radha R Pai
INTRODUCTION: Breast carcinoma is one of the most common malignancies affecting women in developing countries. Molecular studies of breast carcinoma have classified the tumour based on the immunohistochemical staining into 4 subtypes, such as Luminal A, Luminal B, HER2/neu Positive and Triple Negative Breast Carcinoma (TNBC). TNBCs are reported to have an aggressive behaviour and wide metastasis, leading to selective treatment outcomes. AIM: The aim was to study the clinicopathological features such as age, site, tumour size, histopathological type, histologic grade, lymph node status, stage and treatment outcomes of triple negative breast carcinoma...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28273546/electrochemical-impedance-spectroscopy-a-deeper-and-quantitative-insight-into-the-fingermarks-physical-modifications-over-time
#14
Roberto Rosa, Roberto Giovanardi, Andrea Bozza, Paolo Veronesi, Cristina Leonelli
The present work is focused on a novel approach for the study and quantification of some of the physical changes to which a fingermark deposited on non-porous substrates is subjected as its ageing proceeds. Particularly, electrochemical impedance spectroscopy (EIS) technique has been applied for the first time in order to monitor the electrochemical behaviour of the system constituted by the fingermark residue and the underlying substrate. The impedance spectra proved to be significantly affected by the presence of the mark residue as well as by its ageing process...
February 24, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28266615/structural-relaxation-phenomena-in-silicate-glasses-modified-by-irradiation-with-femtosecond-laser-pulses
#15
Thomas Seuthe, Alexandre Mermillod-Blondin, Moritz Grehn, Jörn Bonse, Lothar Wondraczek, Markus Eberstein
Structural relaxation phenomena in binary and multicomponent lithium silicate glasses were studied upon irradiation with femtosecond (fs) laser pulses (800 nm central wavelength, 130 fs pulse duration) and subsequent thermal annealing experiments. Depending on the annealing temperature, micro-Raman spectroscopy analyses evidenced different relaxation behaviours, associated to bridging and non-bridging oxygen structures present in the glass network. The results indicate that the mobility of lithium ions is an important factor during the glass modification with fs-laser pulses...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28264695/the-feasibility-of-the-prostate-cancer-evidence-of-exercise-and-nutrition-trial-prevent-dietary-and-physical-activity-modifications-a-qualitative-study
#16
Ellie Shingler, Lucy Hackshaw-McGeagh, Luke Robles, Raj Persad, Anthony Koupparis, Edward Rowe, Constance Shiridzinomwa, Amit Bahl, Richard M Martin, J Athene Lane
BACKGROUND: There is increasing evidence that low levels of physical activity and diets low in fruit and vegetables and high in meat and dairy products are risk factors for prostate cancer disease progression. The Prostate cancer: Evidence of Exercise and Nutrition Trial (PrEvENT) aimed to assess a diet and physical activity intervention in men undergoing radical prostatectomy for localized prostate cancer. The trial included a qualitative component to explore the experiences of men participating in the trial in order to understand the acceptability of the intervention and data collection methods...
March 7, 2017: Trials
https://www.readbyqxmd.com/read/28264693/a-tailored-programme-to-implement-recommendations-for-multimorbid-patients-with-polypharmacy-in-primary-care-practices-process-evaluation-of-a-cluster-randomized-trial
#17
Cornelia Jäger, Jost Steinhäuser, Tobias Freund, Sarah Kuse, Joachim Szecsenyi, Michel Wensing
BACKGROUND: We developed and evaluated a tailored programme to implement three evidence-based recommendations for multimorbid patients with polypharmacy into primary care practices: structured medication counselling including brown bag reviews, the use of medication lists and medication reviews. No effect on the primary outcome was found. This process evaluation aimed to identify factors associated with outcomes by exploring nine hypotheses specified in the logic model of the tailored programme...
March 6, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28256555/selection-characterization-and-application-of-artificial-dna-aptamer-containing-appended-bases-with-sub-nanomolar-affinity-for-a-salivary-biomarker
#18
Hirotaka Minagawa, Kentaro Onodera, Hiroto Fujita, Taiichi Sakamoto, Joe Akitomi, Naoto Kaneko, Ikuo Shiratori, Masayasu Kuwahara, Katsunori Horii, Iwao Waga
We have attained a chemically modified DNA aptamer against salivary α-amylase (sAA), which attracts researchers' attention as a useful biomarker for assessing human psychobiological and social behavioural processes, although high affinity aptamers have not been isolated from a random natural DNA library to date. For the selection, we used the base-appended base (BAB) modification, that is, a modified-base DNA library containing (E)-5-(2-(N-(2-(N6-adeninyl)ethyl))carbamylvinyl)-uracil in place of thymine. After eight rounds of selection, a 75 mer aptamer, AMYm1, which binds to sAA with extremely high affinity (Kd < 1 nM), was isolated...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28253838/predictors-and-incidence-of-sexually-transmitted-hepatitis-c-virus-infection-in-hiv-positive-men-who-have-sex-with-men
#19
Nicholas A Medland, Eric P F Chow, Catriona S Bradshaw, Timothy H R Read, Joseph J Sasadeusz, Christopher K Fairley
BACKGROUND: Sexual transmission of Hepatitis C virus (HCV) in men who have sex with men (MSM) and its interaction with HIV status, sexually transmitted infections and sexual behaviour is poorly understood. We assessed the incidence and predictors of HCV infection in HIV positive MSM. METHODS: The electronic medical record and laboratory results from HIV positive MSM in care at a large urban public specialist HIV clinic embedded in a sexual health centre in Melbourne Australia were collected...
March 2, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28252380/changes-in-indicators-of-child-and-youth-physical-activity-in-canada-2005-2016
#20
Joel D Barnes, Mark S Tremblay
Physical activity trend analysis enables the monitoring and surveillance of physical activity indicators and the identification of areas that should be targeted for intervention and promotion, which is particularly important at present because so few school-aged children and youth in Canada adhere to the Canadian Physical Activity Guidelines for Children and Youth. In this commentary, we demonstrate through a descriptive temporal trend analysis of grade changes in the ParticipACTION Report Card on Physical Activity for Children and Youth that there have been positive changes in several indicators of physical activity support (family, school, community and environment, government, non-government) in Canada over the last 12 years...
March 1, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
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