429 research outputs found
Formation of effective investment portfolios on the financial markets: Estimation and management models
The articles deal with consideration of actual issues of formation of effective investment portfolios on the financial markets, in particular, the portfolio of such active institutional investors, as insurance company. The necessity of effectiveness enhancement of investment activity of insurance institutes in the modern conditions was substantiated; the model of insurerβs investment portfolio management, within which the non-linear multi-criteria management task is solved, where criteria include profit maximization and portfolio risk minimization, was developed. The solution of this task, based upon methodological application of theory of non-antagonistic positional differential games. Β© 2015 Mediterranean Center of Social and Educational Research. All rights reserved
Controlled Diffraction Liquid-Crystal Structures with a Photoalignment Polymer
The characteristics of electric-field-controlled diffraction elements based on a nematic liquid crystal
and a new photoalignment polymer have been studied. The photocross-linking of this polymer allows periodic
oriented structures and liquid crystal phase gratings with a 30% diffraction efficiency in the first order to
be formed
Implementation of family psychosocial risk assessment in pediatric cancer with the Psychosocial Assessment Tool (PAT): study protocol for a cluster-randomized comparative effectiveness trial
BACKGROUND: Childhood cancer affects and is affected by multiple levels of the social ecology, including social and relational determinants of health (e.g., economic stability, housing, childcare, healthcare access, child and family problems). The 2015 Standards of Psychosocial Care in Pediatric Cancer outline optimal psychosocial care sensitive to these ecological factors, starting with assessment of psychosocial healthcare needs to promote medical and psychosocial outcomes across all children with cancer. To address the first standard of family psychosocial assessment, the Psychosocial Assessment Tool (PAT) is a validated screener ready for broad implementation.
METHOD: The PAT will be implemented across a national sample of 18 pediatric cancer programs ranging in size (annual new patients) in a mixed methods, comparative effectiveness study, guided by the Interactive Systems Framework for Dissemination and Implementation, comparing two implementation strategies. It is hypothesized that implementation will be more successful at the patient/family, provider, and institutional level when training (strategy I) is combined with implementation expanded resources (strategy II). There are three aims: (1) Refine the two implementation strategies using semi-structured qualitative interviews with 19 stakeholders including parent advocates, providers, pediatric oncology organization representatives, healthcare industry leaders; (2) Compare the two theoretically based and empirically informed strategies to implement the PAT in English and Spanish using a cluster-randomized controlled trial across 18 sites. Stratified by size, sites will be randomized to cohort (3) and strategy (2). Outcomes include adoption and penetration of screening (patient/family), staff job satisfaction/burnout (provider), and cost-effective use of resources consistent with family risk (institution); (3) Based on the results of the trial and feedback from the first and second aim, we will develop and disseminate a web-based PAT Implementation Toolkit.
DISCUSSION: Use of the PAT across children\u27s cancer programs nationally can achieve the assessment standard and inform equitable delivery of psychosocial care matched to family need for all patients.
TRIAL REGISTRATION: ClinicalTrials.gov , NCT04446728 , registered 23 June 2020
Π‘ΠΈΠ½ΡΠ΅Π· ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎ Π·Π°ΠΌΠ΅ΡΠ΅Π½Π½ΡΡ ΡΠ»ΠΎΠΆΠ½ΡΡ ΡΡΠΈΡΠΎΠ² Π½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΈ ΠΈΠ·ΠΎΠ½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡ
Nicotinic (3-pyridinecarboxylic) acid is one of the most important vitamins as well as substance with versatile physiological activity, since it plays significant role in the human organism. Nicotinic acid (niacin, vitamin PP, vitamin B3) is widely used in medicine as drug which has a vasodilating effect, prevents the accumulation of cholesterol and normalizes the heart function. Isonicotinic (4-pyridinecarboxylic) acid is used for the production of valuable anti-tuberculosis drugs, antidepressants, etc. However, nicotinic and isonicotinic acids have various side effects: skin hyperemia, pruritus, formation of stomach peptic ulcers, liver dysfunction and hyperglycemia. To reduce the severity of side effects, their slightly soluble salts, esters or amides are obtained. The synthesis of nicotinic and isonicotinic acid esters with vanillin benzaldehydes, cholesterol, 8-hydroxyquinoline, quinine and (4,5-dichloroisothiazol-3-yl)methanol is described. Esters were obtained by acylation of hydroxybenzaldehydes and alcohols with nicotinic and isonicotinic acid hydrochlorides in the presence of triethylamine in anhydrous methylene chloride. The IR- UV- and NMR spectra of the compounds obtained are presented.ΠΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²Π°Ρ ΠΊΠΈΡΠ»ΠΎΡΠ° ΠΈΠ³ΡΠ°Π΅Ρ ΡΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΡΡ ΡΠΎΠ»Ρ Π² ΠΆΠΈΠ·Π½Π΅Π΄Π΅ΡΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΎΡΠ³Π°Π½ΠΈΠ·ΠΌΠ° ΡΠ΅Π»ΠΎΠ²Π΅ΠΊΠ°; ΡΠΈΡΠΎΠΊΠΎ ΠΏΡΠΈΠΌΠ΅Π½ΡΠ΅ΡΡΡ Π² ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Π΅, Π° ΠΏΡΠ΅ΠΏΠ°ΡΠ°ΡΡ Π½Π° Π΅Π΅ ΠΎΡΠ½ΠΎΠ²Π΅ ΠΎΠΊΠ°Π·ΡΠ²Π°ΡΡ ΡΠΎΡΡΠ΄ΠΎΡΠ°ΡΡΠΈΡΡΡΡΠ΅Π΅ Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅, ΠΏΡΠ΅Π΄ΠΎΡΠ²ΡΠ°ΡΠ°ΡΡ Π½Π°ΠΊΠΎΠΏΠ»Π΅Π½ΠΈΠ΅ Ρ
ΠΎΠ»Π΅ΡΡΠ΅ΡΠΈΠ½Π°, Π½ΠΎΡΠΌΠ°Π»ΠΈΠ·ΡΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠ΅ΡΠ΄ΡΠ°. ΠΠ·ΠΎΠ½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΡΡ (4-ΠΏΠΈΡΠΈΠ΄ΠΈΠ½ΠΊΠ°ΡΠ±ΠΎΠ½ΠΎΠ²ΡΡ) ΠΊΠΈΡΠ»ΠΎΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΡΡ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΡΡΡΡ Π΄Π»Ρ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ Π²Π΅ΡΡΠΌΠ° ΡΠ΅Π½Π½ΡΡ
ΠΏΡΠΎΡΠΈΠ²ΠΎΡΡΠ±Π΅ΡΠΊΡΠ»Π΅Π·Π½ΡΡ
ΠΏΡΠ΅ΠΏΠ°ΡΠ°ΡΠΎΠ², Π² ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π΅ Π°Π½ΡΠΈΠ΄Π΅ΠΏΡΠ΅ΡΡΠ°Π½ΡΠΎΠ² ΠΈ Π΄Ρ. ΠΠ΄Π½Π°ΠΊΠΎ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΈ ΠΈΠ·ΠΎΠ½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡ ΠΎΠ³ΡΠ°Π½ΠΈΡΠΈΠ²Π°ΡΡ ΠΏΠΎΠ±ΠΎΡΠ½ΡΠ΅ ΡΡΡΠ΅ΠΊΡΡ: Π³ΠΈΠΏΠ΅ΡΠ΅ΠΌΠΈΡ ΠΊΠΎΠΆΠΈ, Π·ΡΠ΄, Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Ρ ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΠ΅ΠΏΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ·Π² ΠΆΠ΅Π»ΡΠ΄ΠΊΠ°, Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΡ ΠΏΠ΅ΡΠ΅Π½ΠΈ, Π³ΠΈΠΏΠ΅ΡΠ³Π»ΠΈΠΊΠ΅ΠΌΠΈΡ. ΠΠ»Ρ ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΡ Π²ΡΡΠ°ΠΆΠ΅Π½Π½ΠΎΡΡΠΈ ΠΏΠΎΠ±ΠΎΡΠ½ΠΎΠ³ΠΎ Π΄Π΅ΠΉΡΡΠ²ΠΈΡ ΠΊΠΈΡΠ»ΠΎΡ ΡΠΈΠ½ΡΠ΅Π·ΠΈΡΡΡΡΡΡ ΠΈΡ
ΠΌΠ°Π»ΠΎΡΠ°ΡΡΠ²ΠΎΡΠΈΠΌΡΠ΅ ΡΠΎΠ»ΠΈ, ΡΡΠΈΡΡ, Π°ΠΌΠΈΠ΄Ρ. ΠΠΏΠΈΡΠ°Π½ ΡΠΈΠ½ΡΠ΅Π· ΡΠ»ΠΎΠΆΠ½ΡΡ
ΡΡΠΈΡΠΎΠ² Π½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΈ ΠΈΠ·ΠΎΠ½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡ Ρ Π±Π΅Π½Π·Π°Π»ΡΠ΄Π΅Π³ΠΈΠ΄Π°ΠΌΠΈ Π²Π°Π½ΠΈΠ»ΠΈΠ½ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠ΄Π°, Π° ΡΠ°ΠΊΠΆΠ΅ Ρ
ΠΎΠ»Π΅ΡΡΠ΅ΡΠΈΠ½ΠΎΠΌ, 8-Π³ΠΈΠ΄ΡΠΎΠΊΡΠΈΡ
ΠΈΠ½ΠΎΠ»ΠΈΠ½ΠΎΠΌ, Ρ
ΠΈΠ½ΠΈΠ½ΠΎΠΌ ΠΈ (4,5-Π΄ΠΈΡ
Π»ΠΎΡΠΈΠ·ΠΎΡΠΈΠ°Π·ΠΎΠ»-3-ΠΈΠ»)ΠΌΠ΅ΡΠ°Π½ΠΎΠ»ΠΎΠΌ. Π‘Π»ΠΎΠΆΠ½ΡΠ΅ ΡΡΠΈΡΡ ΠΏΠΎΠ»ΡΡΠ°Π»ΠΈ Π°ΡΠΈΠ»ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΠ΅ΡΠΈΠΈ Π³ΠΈΠ΄ΡΠΎΠΊΡΠΈΠ±Π΅Π½Π·Π°Π»ΡΠ΄Π΅Π³ΠΈΠ΄ΠΎΠ² ΠΈ ΡΠΏΠΈΡΡΠΎΠ² Π³ΠΈΠ΄ΡΠΎΡ
Π»ΠΎΡΠΈΠ΄Π°ΠΌΠΈ Ρ
Π»ΠΎΡΠ°Π½Π³ΠΈΠ΄ΡΠΈΠ΄ΠΎΠ² Π½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΈ ΠΈΠ·ΠΎΠ½ΠΈΠΊΠΎΡΠΈΠ½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡ Π² ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠΈ ΡΡΠΈΡΡΠΈΠ»Π°ΠΌΠΈΠ½Π° Π² Π±Π΅Π·Π²ΠΎΠ΄Π½ΠΎΠΌ Ρ
Π»ΠΎΡΠΈΡΡΠΎΠΌ ΠΌΠ΅ΡΠΈΠ»Π΅Π½Π΅. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΠΠ- Π£Π€- ΠΈ Π―ΠΠ -ΡΠΏΠ΅ΠΊΡΡΡ ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΡ
ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠΉ
Small-Size Resonant Photoacoustic Cell of Inclined Geometry for Gas Detection
A photoacoustic cell intended for laser detection of trace gases is
represented. The cell is adapted so as to enhance the gas-detection performance
and, simultaneously, to reduce the cell size. The cell design provides an
efficient cancellation of the window background (a parasite response due to
absorption of laser beam in the cell windows) and acoustic isolation from the
environment for an acoustic resonance of the cell. The useful photoacoustic
response from a detected gas, window background and noise are analyzed in
demonstration experiments as functions of the modulation frequency for a
prototype cell with the internal volume ~ 0.5 cm^3. The minimal detectable
absorption for the prototype is estimated to be ~ 1.2 10^{-8} cm^{-1} W
Hz^{-1/2}.Comment: 11 pages, 5 figure
Developing an intervention to facilitate family communication about inherited genetic conditions, and training genetic counsellors in its delivery.
Many families experience difficulty in talking about an inherited genetic condition that affects one or more of them. There have now been a number of studies identifying the issues in detail, however few have developed interventions to assist families. The SPRinG collaborative have used the UK Medical Research Council's guidance on Developing and Evaluating Complex Interventions, to work with families and genetic counsellors (GCs) to co-design a psycho-educational intervention to facilitate family communication and promote better coping and adaptation to living with an inherited genetic condition for parents and their children (<18 years). The intervention is modelled on multi-family discussion groups (MFDGs) used in psychiatric settings. The MFDG was developed and tested over three phases. First focus groups with parents, young people, children and health professionals discussed whether MFDG was acceptable and proposed a suitable design. Using evidence and focus group data, the intervention and a training manual were developed and three GCs were trained in its delivery. Finally, a prototype MFDG was led by a family therapist and co-facilitated by the three GCs. Data analysis showed that families attending the focus groups and intervention thought MFDG highly beneficial, and the pilot sessions had a significant impact on their family' functioning. We also demonstrated that it is possible to train GCs to deliver the MFDG intervention. Further studies are now required to test the feasibility of undertaking a definitive randomised controlled trial to evaluate its effectiveness in improving family outcomes before implementing into genetic counselling practice.The National Institute of Health Research funded the study but any views expressed do not necessarily reflect those of the Authority. Funded by NIHR reference number: RP-DG-1211-10015
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Practice-based evidence for children and adolescents: Advancing the research agenda in schools.
The American Psychological Association Task Force on Evidence- Based Practice for Children and Adolescents (2008) recommended a systems approach to enhancing care in order to improve outcomes for children and adolescents with mental health needs and redress persistent systemic problems with the structure of services. Recommendations for enhancing an ecological approach to the adoption and implementation of evidence-based practices are offered through increased attention to practice-based research frameworks for adoption and dissemination. Five criteria are discussed for providing acceptable evidence, including (a) systematic evidence searching and adoption of evidence-based prevention and intervention practices, (b) implementation and adherence to intervention integrity, (c) invoking standards for drawing inferences from interventions, (d) using quality assessments to measure outcomes, and (e) adopting formal data analysis procedures to assess intervention outcomes. Each criterion is illustrated with an example. Future research and policy agendas are outlined.Psycholog
Knowledge and training in paediatric medical traumatic stress and trauma-informed care among emergency medical professionals in low- and middle-income countries
Β© 2018, Β© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. Background: Provision of psychosocial care, in particular trauma-informed care, in the immediate aftermath of paediatric injury is a recommended strategy to minimize the risk of paediatric medical traumatic stress. Objective: To examine the knowledge of paediatric medical traumatic stress and perspectives on providing trauma-informed care among emergency staff working in low- and middle-income countries (LMICs). Method: Training status, knowledge of paediatric medical traumatic stress, attitudes towards incorporating psychosocial care and barriers experienced were assessed using an online self-report questionnaire. Respondents included 320 emergency staff from 58 LMICs. Data analyses included descriptive statistics, t-tests and multiple regression. Results: Participating emergency staff working in LMICs had a low level of knowledge of paediatric medical traumatic stress. Ninety-one percent of respondents had not received any training or education in paediatric medical traumatic stress, or trauma-informed care for injured children, while 94% of respondents indicated they wanted training in this area. Conclusions: There appears to be a need for training and education of emergency staff in LMICs regarding paediatric medical traumatic stress and trauma-informed care, in particular among staff working in comparatively lower income countries
Suitability of Who Criteria for Quality Assessment in Teenage Boys Undergoing Sperm Banking for Fertility Preservation Prior to Potentially Gonadotoxic Treatment
Background/Objectives: Children who are treated for childhood cancer are exposed to hospitalization, interaction with unfamiliar people in strange environments, and unpleasant, and sometimes, procedures. Having to wait for procedures is one of the worst situations, experienced by child patients. It is therefore important that hospitals provide environments that are non-stressful and safe for children in conjunction with procedures. Especially important, is the possibility for children who are hospitalized to sustain everyday activities, such as play, irrespective of their age and severity of illness. Objective: To assess differences in expenditure of time and dose of anesthetic drugs during sedation for intrathecal chemotherapy in two different environments- the children's ward, where the child was hospitalized, and the operation theatre. Design/Methods: The study is based on retrospective data from repeated treatment sessions recorded in operation planning programs and journals during 2011-2018 (n=164). Children of the ages 1-12 years (n=22) with varying number of treatments were included in the study. Data was analyzed with the Kruskal-Wallis test and post-hoc analyses included the Mann-Whitney Test with Bonferroni correction. Results: The time from the start of the procedure until the start of sedation was significantly lower at the children's ward, which was also the case if including the waiting time before the start of the procedure. No significant differences could be found regarding the dose of anesthetic drugs used. Conclusions: Sedation for intrathecal chemotherapy at the children's ward provides care to a higher extent in accordance with the needs of the child, by reducing the time for the procedure and thus the interference with the childβs everyday life at the hospital.Β Β© 2019 Wiley Periodicals, Inc
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