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Determination of eighty-two pesticides and application to screening pesticides in cannabis growing facilities

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Journal of Environmental Sciences 2021年第6期33卷 11-16页

作者： Caley B Craven afsoon Pajand Birjandi Brigette Simons Ping Jiang Xing-Fang Li Department of Chemistry Faculty of ScienceUniversity of AlbertaEdmonton T6G 2G3ABCanada Molecular Science Corp 120 Adelaide Street WestSuite 2500Toronto M5H 1T1ONCanada Division of Analytical and Environmental Toxicology Department of Laboratory Medicine and PathologyFaculty of Medicine and DentistryUniversity of AlbertaEdmonton T6G 2G3ABCanada

Determination of pesticides in cannabis facilities is increasingly important as medicinal and recreational uses of cannabis products expand rapidly. We report a method involving wipe sampling, liquid chromatography separation, and tandem mass spectrometry, which enables determination of 82 pesticides out of the 96 regulated by Health Canada. To demonstrate an application of the method, we sampled and measured pesticides in two cannabis growing facilities, representing a non-certified and a certified site. We detected 41 pesticides in surface wipe samples at the non-certified site and 6 at the certified site. This study provides the first evidence showing pesticide occurrence on common surfaces in cannabis growing facilities and points to a need for routine monitoring and strict control of pesticide use in cannabis facilities.

关键词： USA Determination of eighty-two pesticides and application to screening pesticides in cannabis growing facilities

Important Issues of Needle Insertion into Soft Tissue

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Instrumentation 2019年第2期6卷 71-89页

作者： afsoon Nejati AGHDAM Peter X.LIU Carleton University Department of Systems and Computer EngineeringOttawa Ontario CanadaKlS 5B6

Needle insertion procedures have been gaining in popularity with medical communities and patients over the recent years.Currently,their applications span a wide range of diagnostic and therapeutic procedures and there is still a growing tenden?cy toward integrating needle insertion into other procedures and surgeries.Its less invasive nature,which is performed locally on the body,largely explains this growing trend.This results in less intraoperative tissue damage and shorter post-operative recovery time.Many procedures like biopsy,deep brain stimulation,and cancer treatments are done using needles/eatheters.However,despite all the advantages of needle insertion procedures,the inherent complications resulting from them,such as tissue deformation,needle deflection,tissue inhomogeneity,patient variability,and associated uncertainty,can hardly be missed.Therefore,a needle insertion procedure requires that we address promising aspects and associated concerns.Against this backdrop,this paper provides a review of some of the main issues associated with a generic needle insertion procedure.

关键词： Needle Insertion Steering,Control Path Planning Modeling and Simulations Needle Deflection and Deformation Needle Curvature

Can the International Classification of Functioning, Disability and Health (ICF) be used to understand risk factors for falls in older Australian women?

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Health 2013年第12期5卷 39-48页

作者： afsoon Hassani Mehraban Lynette Mackenzie Julie Byles Richard Gibson Cassie Curryer Discipline of Occupational Therapy University of Sydney Sydney Australia Occupational Therapy Department Rehabilitation Research Center School of Rehabilitation Sciences Iran University of Medical Sciences Tehran Iran Research Centre for Gender Health and Ageing University of Newcastle Newcastle Australia

Purpose: To evaluate the relevance and accuracy of determining and predicting risk factors for falls in older women using the International Classification of Functioning, Disability and Health (ICF). Methods: We tested the accuracy of the ICF against risk of falls amongst 568 community dwelling participants of the Australian Longitudinal Survey on Women’s Health (ALSWH). We linked health-related variables to the ICF using ten linking rules. The logistic regression analysis evaluated the relationship between the variables and the outcome of falls. Self-report surveys measured daily functioning, health service use, medications, housing and social support. Results: Variables aligned with the ICF components of body function, health conditions, environment, activity and participation (ADL/IADL), and general health were significantly associated with falls. Discussion and conclusion: Mapping ALSWH health-related data to ICF components identified significant risk factors for falls are related to health conditions, functional limitations and home hazards. Biopsycho-social approaches guided by the ICF framework are crucial for fall prevention.

关键词： Accidental Falls Home Hazards Activities of Daily Living Participation Occupational Therapy

Life Balance of Mothers of Children with Cerebral Palsy

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International Journal of Clinical Medicine 2017年第11期8卷 583-594页

作者： Sepideh Nazi Narges Shafaroodi Laleh Lajevardi afsoon Hassani Mehraban Farzaneh Yazdani Samaneh Hosseinzadeh Department of Occupational Therapy School of Rehabilitation Sciences Iran University of Medical Sciences Tehran Iran Faculty of Health and Life Sciences Oxford Brookes University Oxford UK Department of Statistics and Computer Sciences University of Social Welfare and Rehabilitation Sciences Tehran Iran

Purpose: Having the child with Cerebral palsy is a very stressful experience for the family that could affect daily patterns and routines, habits, needs and occupational performances of all family members specially mothers. This study aimed to investigate life balance of mothers of children with Cerebral palsy (MCCPs) based on the Life Balance Model. Method: Fifty MCCPs aged 3 to 9 years with sample convenient method participated in this descriptive and cross-sectional study. The Severity of cerebral palsy was determined by Gross Motor Function Classification System (GMFCS) and Manual Ability Classification System (MACS) and the life balance of mothers was evaluated by Persian version of the LBI (P_LBI). The collected data were evaluated and analyzed using SPSS software. Results: The total mean score of LBI and its subscales showed that there is no balanced or very balanced life in mothers and they could be categorized to unbalanced (n = 21) and very unbalanced (n = 29). The total mean score of LBI was 1.46. χ2 test revealed statistically significant difference between two categories (unbalanced and very unbalanced) of mothers regarding GMFCS level (p = 0.009). Also, the total mean score of LBI and its subscales showed no significant difference between two categories (unbalanced and very unbalanced) regarding mother job and age and child age (p > 0.05) but it has significant difference regarding mother education (p = 0.009). Evaluation of the results of LBI and its different subscales indicated that the life balance at balanced or very balanced levels was not observed in any of the studied mothers, and they could be categorized in 2 groups of unbalanced (21 mothers ) and very unbalanced (29 mothers) (Table 2). Discussion: Based on the result of this study, mothers of Cerebral Palsy do not experience balanced life and this feeling of unbalance is related to the level of their child’s disability. Thus, it is necessary to consider this fact in family-centered evaluations and Occupational therapy interventions.

关键词： Life Balance Cerebral Palsy Main Caregiver

Role of cytomegalovirus on the maturation and function of monocyte derived dendritic cells of liver transplant patients

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World Journal of Transplantation 2016年第2期6卷 336-346页

作者： Mohammad Hossein Karimi afsoon Shariat Ramin Yaghobi Talat Mokhtariazad Seyed Mohammad Moazzeni Shiraz Trans-plant Research Center Shiraz University of Medical Sciences Department of Microbiology Faculty of Basic SciencesKazerun BranchIslamic Azad University College of Basic Sciences Tehran Science and Research BranchIslamic Azad University Department of Virology School of Public HealthTehran University of Medical Sciences Department of Immunology Faculty of Medical SciencesTarbiat Modarres University

AIM: To study the impact of association between cytomegalovirus(CMV) pathogenesis with dendritic cell(DC) maturation and function was evaluated in CMV reactivated liver transplanted patients in comparing with non-reactivated ones, and healthy controls. METHODS: Monocyte derived dendritic cells(Mo DCs) was generated from collected ethylenediaminetetraacetic acid-treated blood samples from patient groups and controls. In these groups, expression rates and mean fluorescent intensity of DC markers were evaluated using flowcytometry technique. Secretion of cytokines including: interleukin(IL)-6, IL-12 and IL-23 were determined using enzyme-linked immunosorbent assay methods. The gene expression of toll-like receptor 2(TLR2), TLR4 and IL-23 were analyzed using in-house real-time polymerase chain reaction protocols.RESULTS: Results have been shown significant decreases in: Expression rates of Mo DC markers including CD83, CD1 a and human leukocyte antigen DR(HLA-DR), the mean fluorescence intensitys for CD1 a and HLA-DR, and secretion of IL-12 in CMV reactivated comparedwith non-reactivated liver transplanted patients. On the other hand, significant increases have been shown in the secretions of IL-6 and IL-23 and gene expression levels of TLR2, TLR4 and IL-23 from Mo DCs in CMV reactivated compared with non-reactivated liver transplanted recipients. CONCLUSION: DC functional defects in CMV reactivated recipients, such as decrease in expression of DC maturation markers, increase in secretion of proinflammatory cytokines, and TLRs can emphasize on the importance of CMV infectivity in development of liver rejection in transplanted patients.

关键词： Cytomegalovirus Dendritic cells Liver transplantation