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https://www.readbyqxmd.com/read/28107922/-rough-guide-evanescent-wave-optrode-for-colorimetric-metalloporphyrine-sensors
#1
Abraham Kirwa Tuwei, Nicholas H Williams, Mohammad Yusuf Mulla, Corrado Di Natale, Roberto Paolesse, Martin Grell
When films of zinc 5-(4-carboxyphenyl),10,15,20-triphenyl porphyrin (ZnTPP) are exposed to waterborne amine in pH- neutral or alkaline media, both Q- band and Soret band respond with a change of absorbance due to the donation of amine 'lone pair' electrons to the metalloprophyrin π orbital. However, this is difficult to reveal with a conventional spectrometer even under high amine concentration. We therefore introduce optical fibres coated with ZnTPP into a bespoke 'light balance' evanescent wave absorbance meter [doi:10...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28106365/coordinatively-self-assembled-luminescent-gold-nanoparticles-fluorescence-turn-on-system-for-high-efficiency-passive-tumor-imaging
#2
Xuandi Lai, Lishan Tan, Xiulong Deng, Jinbin Liu, Aiqing Li, Jianyu Liu, Jianqiang Hu
A fluorescence turn-on system for highly efficient and prolonged tumor imaging has been established by Co2+-induced coordination self-assembly strategy, in which luminescent glutathione (GSH)-modified gold nanoparticles (LGAuNPs) are assembled into LGAuNPs assemblies (LGAuNPs-Co) through coordination bond between unoccupied orbit of Co2+ and lone pair electrons of GSH on the surface of LGAuNPs. The LGAuNPs-Co is sensitive to microenvironment pH and its quenched luminescence will be turned on in tumor tissues (acidic microenvironment), which behaves as a fluorescence turn-on system for passive tumor imaging...
January 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28104790/contemporary-management-of-patients-undergoing-atrial-fibrillation-ablation-in-hospital-and-1-year-follow-up-findings-from-the-esc-ehra-atrial-fibrillation-ablation-long-term-registry
#3
Elena Arbelo, Josep Brugada, Carina Blomström Lundqvist, Cécile Laroche, Josef Kautzner, Evgeny Pokushalov, Pekka Raatikainen, Michael Efremidis, Gerhard Hindricks, Alberto Barrera, Aldo Maggioni, Luigi Tavazzi, Nikolaos Dagres
AIMS: The ESC-EHRA Atrial Fibrillation Ablation Long-Term registry is a prospective, multinational study that aims at providing an accurate picture of contemporary real-world ablation for atrial fibrillation (AFib) and its outcome. METHODS AND RESULTS: A total of 104 centres in 27 European countries participated and were asked to enrol 20-50 consecutive patients scheduled for first and re-do AFib ablation. Pre-procedural, procedural and 1-year follow-up data were captured on a web-based electronic case record form...
January 18, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28103892/prehospital-intravenous-fentanyl-to-patients-with-hip-fracture-an-observational-cohort-study-of-risk-factors-for-analgesic-non-treatment
#4
Kristian D Friesgaard, Erika F Christensen, Hans Kirkegaard, Mette D Bendtsen, Flemming B Jensen, Lone Nikolajsen
BACKGROUND: Patients with proximal femoral neck fracture have a high short-term mortality, a high risk of postoperative complications, and impaired quality of life. One of the challenges related to the prehospital treatment of these patients is to administer systemic opioids fast and properly. Effective analgesic prehospital treatment ought be initiated rapidly in order to alleviate the stress that follows acute pain, to facilitate transportation, and to improve quality of care. The objectives of this study were to explore the prevalence of prehospital administration of intravenous fentanyl to patients with proximal femoral neck fracture in the ambulances and to assess risk factors for analgesic non-treatment...
January 19, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28103030/reactivity-of-cyclopentadienyl-molybdenum-compounds-towards-formic-acid-structural-characterization-of-cpmo-pme3-co-2h-cpmo-pme3-2-co-h-cpmo-%C3%AE-o-%C3%AE-o2ch-2-and-cp-mo-%C3%AE-o-%C3%AE-o2ch-2
#5
Michelle C Neary, Gerard Parkin
The molecular structures of CpMo(PMe3)(CO)2H and CpMo(PMe3)2(CO)H have been determined by X-ray diffraction, thereby revealing four-legged piano-stool structures in which the hydride ligand is trans to CO. However, in view of the different nature of the four basal ligands, the geometries of CpMo(PMe3)(CO)2H and CpMo(PMe3)2(CO)H deviate from that of an idealized four-legged piano stool, such that the two ligands that are orthogonal to the trans H-Mo-CO moiety are displaced towards the hydride ligand. While Cp(R)Mo(PMe3)3-x(CO)xH (Cp(R) = Cp, Cp*; x = 1, 2, 3) are catalysts for the release of H2 from formic acid, the carbonyl derivatives, Cp(R)Mo(CO)3H, are also observed to form dinuclear formate compounds, namely, [Cp(R)Mo(μ-O)(μ-O2CH)]2...
January 19, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28098783/the-influence-of-the-toxin-antitoxin-mazef-on-growth-and-survival-of-listeria-monocytogenes-under-stress
#6
Thomas D Curtis, Ippei Takeuchi, Lone Gram, Gitte M Knudsen
A major factor in the resilience of Listeria monocytogenes is the alternative sigma factor B (σ(B)). Type II Toxin/Antitoxin (TA) systems are also known to have a role in the bacterial stress response upon activation via the ClpP or Lon proteases. Directly upstream of the σ(B) operon in L. monocytogenes is the TA system mazEF, which can cleave mRNA at UACMU sites. In this study, we showed that the mazEF TA locus does not affect the level of persister formation during treatment with antibiotics in lethal doses, but exerts different effects according to the sub-inhibitory stress added...
January 13, 2017: Toxins
https://www.readbyqxmd.com/read/28096619/detection-identification-and-differentiation-of-sheep-pox-virus-and-goat-pox-virus-from-clinical-cases-in-giza-governorate-egypt
#7
M A Mahmoud, M H Khafagi
AIM: To isolate, identify, and differentiate Capripoxviruses (CaPV) (sheep pox virus and goat pox virus) infections by egg inoculation, transmission electron microscopy (TEM), and 30 kDa RNA polymerase subunit gene-based polymerase chain reaction (PCR) (RPO30) in clinically affected animals in Hawamdia township of Giza Governorate, Egypt. MATERIALS AND METHODS: A total of 37 scab samples were collected from clinically suspected field cases of sheep pox and goat pox...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28094555/loneliness-and-the-risk-of-dementia-among-older-chinese-adults-gender-differences
#8
Zi Zhou, Ping Wang, Ya Fang
OBJECTIVE: The objective of this study was to examine whether loneliness was associated with the risk of developing dementia in Chinese older adults and whether the association was moderated by gender. METHOD: A 3-year cohort study was conducted using data from the 2008/2009 and 2011/2012 waves of the Chinese Longitudinal Healthy Longevity Survey (CLHLS). Multiple logistic regression was used to analyze the relationship between loneliness and dementia. The interaction between loneliness and gender was also evaluated...
January 17, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28092774/the-lonely-road-to-paranoia-a-path-analytic-investigation-of-loneliness-and-paranoia
#9
Fabian Lamster, Tania M Lincoln, Clara M Nittel, Winfried Rief, Stephanie Mehl
Loneliness and paranoia are related, but the mechanisms that link them to each other remain unclear. Systematic reviews on loneliness propose a social-cognitive model in which loneliness leads to negative evaluations of other persons and a lack of interpersonal trust. However, the data discussed in these reviews are based on healthy individuals. Building on this model, the present study investigated 1) whether negative interpersonal schemata mediate the association between loneliness and paranoia and 2) whether a low level of perceived social support and less frequent social contact are related to loneliness...
January 2, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28090651/incidence-of-skin-and-respiratory-diseases-among-danish-hairdressing-apprentices
#10
Majken H Foss-Skiftesvik, Lone Winther, Claus R Johnsen, Claus Zachariae, Jeanne D Johansen
BACKGROUND: Hairdressing is one of the professions with the highest risk of occupational skin and respiratory diseases. The incidence of these diseases in hairdressing apprentices has been studied only sparsely. OBJECTIVE: To determine the incidence of skin and respiratory diseases in hairdressing apprentices, and to explore whether hairdressing apprentices leave the trade during training because of these diseases. METHODS: A 3-year follow-up questionnaire study was conducted among 248 hairdressing apprentices and a control group comprising 816 young adults from the general population...
January 16, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28089311/sustaining-program-effectiveness-after-implementation-the-case-of-the-self-management-of-well-being-group-intervention-for-older-adults
#11
Martine M Goedendorp, Daphne Kuiper, Sijmen A Reijneveld, Robbert Sanderman, Nardi Steverink
OBJECTIVE: The Self-Management of Well-being (SMW) group intervention for older women was implemented in health and social care. Our aim was to assess whether effects of the SMW intervention were comparable with the original randomized controlled trial (RCT). Furthermore, we investigated threats to effectiveness, such as participant adherence, group reached, and program fidelity. METHODS: In the implementation study (IMP) 287 and RCT 142 women participated. We compared scores on self-management ability and well-being of the IMP and RCT...
January 10, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28089066/evaluation-and-prevention-of-the-negative-matrix-effect-of-terpenoids-on-pesticides-in-apples-quantification-by-gas-chromatography-tandem-mass-spectrometry
#12
Géraldine Giacinti, Christine Raynaud, Sophie Capblancq, Valérie Simon
The sample matrix can enhance the gas chromatography signal of pesticide residues relative to that obtained with the same concentration of pesticide in solvent. This paper is related to negative matrix effects observed in coupled gas chromatography-mass spectrometry ion trap (GC/MS(2)) quantification of pesticides in concentrated extracts of apple peel prepared by the Quick Easy Cheap Effective Rugged and Safe (QuEChERS) method. It is focused on the pesticides most frequently used on the apple varieties studied, throughout the crop cycle, right up to harvest, to combat pests and diseases and to improve fruit storage properties...
December 21, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28080181/conceptualizing-patient-empowerment-in-cancer-follow-up-by-combining-theory-and-qualitative-data
#13
Anna Thit Johnsen, Nanna Bjerg Eskildsen, Thora Grothe Thomsen, Mogens Grønvold, Lone Ross, Clara R Jørgensen
BACKGROUND: Patient empowerment (PE) may be defined as the opportunity for patients to master issues important to their own health. The aim of this study was to conceptualize PE and how the concept manifests itself for cancer patients attending follow-up, in order to develop a relevant and sensitive questionnaire for this population. MATERIAL AND METHODS: A theoretical model of PE was made, based on Zimmerman's theory of psychological empowerment. Patients who were in follow-up after first line treatment for their cancer (n = 16) were interviewed about their experiences with follow-up...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28077730/effect-of-an-early-dose-of-measles-vaccine-on-morbidity-between-18-weeks-and-9-months-of-age-a-randomized-controlled-trial-in-guinea-bissau
#14
Vu An Do, Sofie Biering-Sørensen, Ane Bærent Fisker, Carlito Balé, Stine Møller Rasmussen, Lone Damkjær Christensen, Kristoffer Jarlov Jensen, Cesário Martins, Peter Aaby, Christine Stabell Benn
BACKGROUND:  Children in Guinea-Bissau receive measles vaccine (MV) at 9 months of age, but studies have shown that an additional dose before 9 months of age might have beneficial nonspecific effects. Within a randomized trial designed to examine nonspecific effects of early MV receipt on mortality, we conducted a substudy to investigate the effect of early MV receipt on morbidity. METHODS:  Children were randomly assigned at a ratio of 2:1 to receive 2 doses of MV at 18 weeks and age 9 months (intervention group) or 1 dose of MV at age 9 months, in accordance with current practice (control group)...
January 10, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28077053/patient-empowerment-a-systematic-review-of-questionnaires-measuring-empowerment-in-cancer-patients
#15
Nanna Bjerg Eskildsen, Clara Ruebner Joergensen, Thora Grothe Thomsen, Lone Ross, Susanne Malchau Dietz, Mogens Groenvold, Anna Thit Johnsen
BACKGROUND: There is an increased attention to and demand for patient empowerment in cancer treatment and follow-up programs. Patient empowerment has been defined as feeling in control of or having mastery in relation to cancer and cancer care. This calls for properly developed questionnaires assessing empowerment from the user perspective. The aim of this review was to identify questionnaires and subscales measuring empowerment and manifestations of empowerment among cancer patients...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28076393/alder-nitrogen-and-lake-ecology-terrestrial-aquatic-linkages-in-the-postglacial-history-of-lone-spruce-pond-southwestern-alaska
#16
Bianca B Perren, Yarrow Axford, Darrell S Kaufman
Diatoms, combined with a multiproxy study of lake sediments (organic matter, N, δ15N, δ13C, biogenic silica, grain size, Cladocera and chironomids, Alnus pollen) from Lone Spruce Pond, Alaska detail the late-glacial to Holocene history of the lake and its response to regional climate and landscape change over the last 14.5 cal ka BP. We show that the immigration of alder (Alnus viridis) in the early Holocene marks the rise of available reactive nitrogen (Nr) in the lake as well as the establishment of a primarily planktonic diatom community...
2017: PloS One
https://www.readbyqxmd.com/read/28076334/establishment-of-a-normal-derived-estrogen-receptor-positive-cell-line-comparable-to-the-prevailing-human-breast-cancer-subtype
#17
Branden M Hopkinson, Marie C Klitgaard, Ole William Petersen, René Villadsen, Lone Rønnov-Jessen, Jiyoung Kim
Understanding human cancer increasingly relies on insight gained from subtype specific comparisons between malignant and non-malignant cells. The most frequent subtype in breast cancer is the luminal. By far the most frequently used model for luminal breast cancer is the iconic estrogen receptor-positive (ERpos) MCF7 cell line. However, luminal specific comparisons have suffered from the lack of a relevant non-malignant counterpart. Our previous work has shown that transforming growth factor-β receptor (TGFβR) inhibition suffices to propagate prospectively isolated ERpos human breast luminal cells from reduction mammoplasties (HBEC)...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28075127/homeomorphic-isomerization-as-a-design-element-in-con-tainer-molecules-binding-displacement-and-selective-transport-of-mcl2-species-m-pt-pd-ni
#18
Sugam Kharel, Hemant Joshi, Stephen Bierschenk, Michael Stollenz, Deeb Taher, Nattamai Bhuvanesh, John A Gladysz
The dibridgehead diphosphine P((CH2)14)3P (1) can rapidly turn itself inside-out (homeomorphic isomerization) to give a mixture of in,in and out,out isomers. The exo directed lone pairs in the latter are able to scavenge Lewis acidic MCl2; cage like adducts of the in,in isomer, trans-MCl2(P((CH2)14)3P) (M = 2/Pt, 3/Pd, 4/Ni), then form. The NiCl2 unit in 4 (which is crystallographically characterized) may be replaced by PtCl2 or PdCl2, but 2 and 3 do not give similar substitutions. U-tubes are charged with CH2Cl2 solutions of 1 (lower phase), an aqueous solution of K2MCl4 (charging arm; M = Pt, Pd), and an aqueous solution of excess KCl (receiving arm)...
January 11, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28070762/being-on-your-own-or-feeling-lonely-loneliness-and-other-social-variables-in-youths-with-autism-spectrum-disorders
#19
Anne Deckers, Peter Muris, Jeffrey Roelofs
A cross-sectional study was conducted to examine loneliness and its correlates in children (7 to 11 years) and adolescents (12 to 18 years) with autism spectrum disorders (ASD, n = 73) and control groups of clinically referred (ADHD, n = 76) and non-clinical (n = 106) youths. Youths completed questionnaires on loneliness and desire for social interaction, while parents and teachers filled out scales on other aspects of children's social functioning. Results indicated that only at an adolescent age, the ASD group reported higher levels of loneliness than the control groups...
January 9, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/28069166/evaluation-and-prevention-of-the-negative-matrix-effect-of-terpenoids-on-pesticides-in-apples-quantification-by-gas-chromatography-tandem-mass-spectrometry
#20
Géraldine Giacinti, Christine Raynaud, Sophie Capblancq, Valérie Simon
The sample matrix can enhance the gas chromatography signal of pesticide residues relative to that obtained with the same concentration of pesticide in solvent. This paper is related to negative matrix effects observed in coupled gas chromatography-mass spectrometry ion trap (GC/MS(2)) quantification of pesticides in concentrated extracts of apple peel prepared by the Quick Easy Cheap Effective Rugged and Safe (QuEChERS) method. It is focused on the pesticides most frequently used on the apple varieties studied, throughout the crop cycle, right up to harvest, to combat pests and diseases and to improve fruit storage properties...
December 21, 2016: Journal of Chromatography. A
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