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au:MOHAMMADI, MOHAMMAD ALI

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Relationship between Social Capital and General Health among the Iranian University Students: A Cross-Sectional Study
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lebni, Javad Yoosefi

; Ahmadi, Ahmad

; Gharehghani, Mohammad Ali Mohammadi

; Dehghan, Ali Akbar

; Mansourian, Morteza

; Ziapour, Arash

; Irandoost, Seyed Fahim

Portuguese Journal of Public Health

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apr 2023, Volume 41 N. 1 Pages 4 - 11

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract The most basic axis of a society’s economic and social growth is health, and social capital is a major factor in determining that development. The purpose of this research was to evaluate, among the student body of Iran University of Medical Sciences, the connection that exists between social capital and overall health. This study used a descriptive-analytical approach to cross-sectional research. Students attending the Iran University of Medical Sciences constituted the statistical population. The approach developed by Cochran was used to pick 367 students at random. The demographic information form, two versions of the Delaviz Social Capital Questionnaire (2006), and Goldberg and Hiller’s General Health Questionnaire (1979), served as the data collection tools. Using Cronbach’s alpha test, the reliability of the first two sets of questionnaires was determined to be 0.73 and 0.78, respectively. The data were analyzed using descriptive statistics, statistical tests, and regression after being loaded into SPSS version 22. It was shown that general health was significantly related to the factors of gender, location of living, and degree of education (p < 0.05). It was shown via the use of regression that there is a statistically significant association between social capital and the two dimensions of group involvement and relationships in networks. These two dimensions had the biggest influence on general health and explained 39% of its variations. The overall health of students was not significantly affected by factors such as age, educational level, or marital status (p > 0.05). It is feasible to improve students’ overall health if social capital is increased, more students are encouraged to participate in group projects, and students’ ties with one another inside and outside their networks are expanded.

Resumo A saúde é o eixo mais básico do desenvolvimento económico e social da sociedade, que é influenciado pelo capital social. O presente estudo foi realizado com o objetivo de investigar a relação entre capital social e saúde pública entre estudantes da Universidade de Ciências Médicas do Irão. A investigação atual foi um estudo descritivo-analítico transversal. A população estatística foram os estudantes da Universidade de Ciências Médicas do Irão; ou seja 367 pessoas foram selecionadas aleatoriamente pelo método de Cochran. Os instrumentos de coleta de dados foram ficha de informações demográficas e dois questionários de capital social de Delaviz (2006) e saúde geral de Goldberg e Hiller (1979), cuja confiabilidade foi obtida por meio do teste alfa de Cronbach de 0,73 e 0,78, respetivamente. Os dados foram digitados no software SPSS-22 e analisados com estatística descritiva e testes estatísticos e de regressão. As seguintes variáveis: sexo, local de residência e escolaridade apresentaram relação significativa com a saúde geral (p < 0,05). Utilizando a regressão entre capital social e saúde pública, foi obtida uma relação estatisticamente significativa, e as duas dimensões de participação de grupo e relações em rede tiveram o maior impacto na saúde pública e revelaram 39% das suas alterações. Não foi observada qualquer relação significativa entre idade, local de estudo e estado civil com a saúde geral dos estudantes (p > 0,05). É possível aumentar a saúde geral dos estudantes através do aumento do capital social e da ênfase no aumento da participação dos estudantes no trabalho de grupo e no aumento das suas relações inter-redes.

https://doi.org/10.1159/000528396

Lifetime prevalence, sociodemographic predictors, and comorbidities of oppositional defiant disorder: the National Epidemiology of Iranian Child and Adolescent Psychiatric disorders (IRCAP)
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Mohammadi, Mohammad Reza

; Salmanian, Maryam

; Hooshyari, Zahra

; Shakiba, Alia

; Alavi, Seyyed Salman

; Ahmadi, Ameneh

; Khaleghi, Ali

; Zarafshan, Hadi

; Mostafavi, Seyed Ali

; Alaghmand, Anita

; Molavi, Parviz

; Mahmoudi-Gharaei, Javad

; Kamali, Koorosh

; Ghanizadeh, Ahmad

; Nazari, Hedayat

; Sarraf, Nasrin

; Ahmadipour, Ahmad

; Derakhshanpour, Firoozeh

; Riahi, Forough

; Golbon, Atieh

; Kousha, Maryam

; Yazdi, Aazam Sadat Heydari

; Shahrbabaki, Mahin Eslami

; Motlagh, Naser Hajian

; Amirian, Houshang

; Mojahed, Azizollah

; Kiani, Arezou

; Ahmadpanah, Mohammad

; Dastjerdi, Reza

; Ahmadi, Nastaran

Brazilian Journal of Psychiatry

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apr 2020, Volume 42 N. 2 Pages 162 - 167

Abstract: En | Text: En | PDF: En

Objective: This was the first national epidemiological study on oppositional defiant disorder (ODD) in Iran, which provided new information about the prevalence, comorbidities, and sociodemographic predictors of ODD. Methods: Data from a face-to-face household survey of 30,532 children and adolescents aged 6-18 years were collected from across all 31 provinces of Iran using a multistage cluster sampling design. The Persian version of the Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children – Present and Lifetime Version (K-SADS-PL) was used in this study. Results: The lifetime prevalence of ODD was found to be 3.9%. ODD was significantly more common in boys than girls and appeared in late adolescence more frequently than in childhood. A lower prevalence of ODD was found among participants who lived in rural areas. ODD is highly likely to co-occur with attention deficit hyperactivity disorder, separation anxiety disorder, generalized anxiety disorder, and depressive disorders. Conclusions: The findings of this national population-based study confirm and extend previous findings on the prevalence, comorbidities, and sociodemographic predictors of ODD.

https://doi.org/10.1590/1516-4446-2019-0416 967 downloads

Relationship between antifungal susceptibility profile and virulence factors in Candida albicans isolated from nail specimens
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Mohammadi, Faezeh

; Ghasemi, Zeinab

; Familsatarian, Behnaz

; Salehi, Eelham

; Sharifynia, Somayeh

; Barikani, Ameneh

; mirzadeh, Monirsadat

; Hosseini, Mohammad Ali

Revista da Sociedade Brasileira de Medicina Tropical

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2020, Volume 53 elocation e20190214

Abstract: En | Text: En | PDF: En

Abstract INTRODUCTION: The aim of this study was to evaluate some virulence factors in Candida albicans isolates from patients with onychomycosis and determine the correlation between these factors and the antifungal resistance profile. METHODS: Seventy species of C. albicans were confirmed using polymerase chain reaction amplification of the HWP1 gene. According to the Clinical & Laboratory Standards Institute guidelines, the susceptibility profile of four antifungal agents was investigated, and the production of aspartyl protease, phospholipase, haemolysin, and biofilm was determined. The correlation between these profiles was also investigated. RESULTS: The isolates indicated different levels of resistance and production of virulence factors. Significant correlations were observed between the minimum inhibitory concentration (MIC) of fluconazole/itraconazole and biofilm production, between phospholipase production and fluconazole/itraconazole MIC, and between fluconazole MIC and hemolytic activity in C. albicans isolates. The results also showed significant correlations between phospholipase activity and biofilm production. CONCLUSIONS: Our findings will contribute to a better understanding of the pathogenesis of C. albicans and characterize the relationship between virulence factors and antifungal resistance, which may suggest new therapeutic strategies considering the possible involvement of the virulence mechanism in the effectiveness of treatment.

https://doi.org/10.1590/0037-8682-0214-2019 1795 downloads

Effect of Different Fiber Reinforcement Strategies on the Fracture Strength of Composite Resin Restored Endodontically Treated Premolars
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Bahari, Mahmoud

; Mohammadi, Narmin

; Kimyai, Soodabeh

; Kahnamoui, Mehdi Abed

; Vahedpour, Hafez

; Torkani, Mohammad Ali Mohammadi

; Oskoee, Ayda Savadi

Pesquisa Brasileira em Odontopediatria e Clínica Integrada

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2019, Volume 19 elocation e4465

Abstract: En | Text: En | PDF: En

Abstract Objective: To compare the effect of three different fiber reinforcement strategies on the fracture strength of composite resin restored endodontically treated premolars. Material and Methods: Seventy-two sound human premolars extracted for orthodontic reasons were divided into 6 groups (n=12) after endodontic treatment. Group 1: intact teeth (positive control); Group 2: endodontically treated teeth without restoration (negative control); Group 3: composite resin restoration; Group 4: placement of fibers at occlusal position; Group 5: splinting the buccal and palatal walls with horizontal fiber posts; Group 6: placement of fibers at the occlusal position after splinting the buccal and palatal walls with horizontal fiber posts. Then fracture strength was measured at a crosshead speed of 0.5 mm/min in a universal testing machine. Data were analyzed using one-way ANOVA and post hoc Tukey tests at α=0.05. Results: There were significant differences between the negative and positive control groups (p<0.001) and between the negative control group and all the other study groups (p<0.001). However, there were no statistically significant differences between the positive control group and all the experimental groups and between the experimental groups (p>0.05). Conclusion: Fiber insertion had no additional reinforcing effect on the fracture strength following composite resin restoration.

https://doi.org/10.4034/pboci.2019.191.99 642 downloads

Synergistic effect of honey and Nigella sativa on wound healing in rats
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Javadi, Seyed Mohammad Reza

; Hashemi, Mamak

; Mohammadi, Younes

; MamMohammadi, Alireza

; Sharifi, Ali

; Makarchian, Hamid Reza

Acta Cirúrgica Brasileira

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jun 2018, Volume 33 N. 6 Pages 518 - 523

Abstract: En | Text: En | PDF: En

Abstract Purpose: To investigate the therapeutic potential of honey, Nigella sativa (N. sativa) and their combination in rat model of excisional wound healing. Methods: A circular excision wound was established in the back region of 50 Wistar rats. Subsequently, they were divided into 5 groups and daily topical administration of lanolin in the control group, honey in the honey group, cold-pressed N. sativa seed oil in the N. sativa groups, mix of 1:1 ratio of honey and N. sativa seed oil in the mix group, and phenytoin cream in the phenytoin group were used. Then, wound surface areas were evaluated using digital camera immediately after the injury and at post excision days 5, 10, 15 and 20. Results: Significant reduction in wound surface area was observed within and between the groups (P < 0.001). In the post excision days 5, 10, 15 and 20 the wound surface areas in the mix group were significantly lower than the other groups followed by the phenytoin, honey, N. sativa, and control groups. Conclusion: The wound healing may be improved and accelerated by using topical solutions of honey, N. sativa seed oil and especially their mixture.

https://doi.org/10.1590/s0102-865020180060000006 3276 downloads

A conventional PCR for differentiating common taeniid species of dogs based on in silico microsatellite analysis
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Shamsaddini, Saeedeh

; Mohammadi, Mohammad Ali

; Mirbadie, Seyed Reza

; Rostami, Sima

; Dehghani, Mansoureh

; Sadeghi, Balal

; Harandi, Majid Fasihi

Revista do Instituto de Medicina Tropical de São Paulo

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2017, Volume 59 elocation e66

Abstract: En | Text: En | PDF: En

ABSTRACT Canine taeniids are among the major tapeworms with remarkable medical and economic significance. Reliable diagnosis and differentiation of dog taeniids using simple and sensitive tools are of paramount importance for establishing an efficient surveillance system. Microsatellites as abundant unique tandem repeats of short DNA motifs are useful genetic markers for molecular epidemiological studies. The purpose of the present study was to find a primer pair for rapid differentiation of major tapeworms of dogs, Taenia hydatigena, T. multiceps, T. ovis and Echinococcus granulosus, by screening existing nucleotide data. All the mitochondrial genome records as well as non-coding ITS1 sequences of Taeniidae species were downloaded from Nucleotide database from NCBI. For prediction and analysis of potential loci of STR/SSR in ITS1 as well as mitochondrial regions, we used ChloroMitoSSRDB 2.0 and GMATo v1.2. software. Different tapeworm species were categorized according to different motif sequences and type and size of each microsatellite locus. Three primer sets were designed and tested for differentiating taeniid species and evaluated in a conventional PCR system. Four taeniid species were successfully differentiated using a primer pair in a simple conventional PCR system. We predicted 2-19 and 1-4 microsatellite loci in ITS1 and mitochondrial genome, respectively. In ITS1, 41 Di and 21 Tri motifs were found in the taeniids while the majority of the motifs in the mitochondrial genome were Tetra (89) and Tri (70). It is documented that the number and diversity of microsatellite loci is higher in nuclear ITS1 region than mostly coding mitochondrial genome.

https://doi.org/10.1590/s1678-9946201759066 1166 downloads

Removal of Pb(II) ions and malachite green dye from wastewater by activated carbon produced from lemon peel
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Mohammadi, Sayed Zia

; Karimi, Mohammad Ali

; Yazdy, Sayedeh Nasibeh

; Shamspur, Tayebeh

; Hamidian, Hooshang

Química Nova

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jun 2014, Volume 37 N. 5 Pages 804 - 809

Abstract: En | Text: En | PDF: En

In the present study, a high-surface area activated carbon was prepared by chemical activation of lemon peel with H3PO4 as the active agent. Then, the adsorption behavior of Malachite green dye and Pb(II) ions on the produced activated carbon was studied. Batch process was employed for sorption kinetics and equilibrium studies. Experimental data were ï¬�tted to various isotherm models. According to the Langmuir model, the maximum adsorption capacities of Malachite green dye and Pb(II) ions were found to be 66.67 and 90.91 mg g-1, respectively, at room temperature. Kinetic studies showed the adsorption process followed a pseudo second-order rate model. The sorption kinetics were controlled by intra-particle diffusion. The results indicated that the produced activated carbon can be economically and effectively used as an adsorbent for the removal of Malachite green dye and Pb(II) ions from wastewaters.

https://doi.org/10.5935/0100-4042.20140129 2928 downloads

Nano-Fe3O4/O2: Green, magnetic and reusable catalytic system for the synthesis of benzimidazoles
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Zolfigol, Mohammad Ali

; Khakyzadeh, Vahid

; Moosavi-Zare, Ahmad Reza

; Zare, Abdolkarim

; Arghavani-Hadi, Parastoo

; Mohammadi, Zahra

; Beyzavi, Mohammad Hassan

South African Journal of Chemistry

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2012, Volume 65 Pages 280 - 285

Abstract: En | Text: En | PDF: En

Magnetic nano-Fe3O4 was applied in the presence of atmospheric air as a green, efficient, heterogeneous and reusable catalytic system for the synthesis of benzimidazoles via the reactions of o-phenylenediamine (1 eq) with aryl aldehydes (1 eq) in excellent yields (85-97 %) and short reaction times (30-100 min) with a proposed mechanism.

618 downloads

Relative susceptibility of citrus genotypes to fruit rot caused by Ceratocystis radicicola in Iran
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Mirzaee, Mohammad R

; Mohammadi, Mojtaba

; Nasrabad, Ali Azari

Tropical Plant Pathology

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oct 2009, Volume 34 N. 5 Pages 329 - 332

Abstract: En | Text: En | PDF: En

Several citrus genotypes were evaluated for their relative susceptibility to the new lemon fruit rot pathogen, Ceratocystis radicicola. Wounded detached fruits were inoculated ten days before normal harvest by placing on the wound site a droplet of distilled water followed by a mycelial plug of one-week-old culture. Inoculated fruits were ranked for their relative susceptibility to the pathogen by determining disease severity based on mean lesion size. Using Duncan's multiple range test, citrus varieties were classified into three groups, as follows: most susceptible: Mandarin (cv. Clementine); moderately susceptible: Mandarin (cvs. Dancy, Ponkan, sweet lime and common sour orange) and least susceptible: Mandarin (cvs. Kinnow, Lee, Fortune and Osceola), grapefruit (cvs. Marsh and Red Blush), orange (cvs. Parson Brown, Marss Early, Salustiana, Washington Navel and Hamlin) and lemon (cv. Lisbon). Alternatively, fruit firmness was measured using a hand-held penetrometer at the time of inoculation. Disease severity was negatively correlated (R = -0.36, P < 0.01) with fruit firmness. Although this study aimed to determine the range of potential hosts for C. radicicola, to date the only natural host in the world is considered to be lemon.

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Stripping voltammetric determination of copper (II) on an overoxidized polypyrrole functionalized with Nitroso-R
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Mohadesi, Alireza

; Salmanipour, Ashraf

; Mohammadi, Sayed Ziae

; Pourhatami, Ali

; Taher, Mohammad Ali

Journal of the Brazilian Chemical Society

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2008, Volume 19 N. 5 Pages 956 - 962

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

No presente trabalho é apresentado um método para a determinação de Cu em amostras de cabelo humano e água por voltametria de redissolução anódica de pulso diferencial. Foi provado que a eletropolimerização do pirrol ocorre em presença do ânion dopante Nitroso-R. O polipirrol dopado com Nitroso-R foi deposido sobre a superfície da platina, e reage com Cu(II) em pHs neutros, originando um complexo. Essa complexação entre o Nitroso-R e o Cu(II) produz o acúmulo de Cu(II) na superfície a partir de a circuito aberto. O eletrodo resultante com Cu(II) complexado foi então transferido para um tampão de acetato, e submetido a voltametria de redissolução anódica, promovendo o aparecimento de um pico de corrente a +0,08 V. Depois da avaliação do comportamento funcional analítico foi construído um gráfico de calibração a partir de 1,2 a 243,9 ng mL-1 e o limite de detecção foi de 0,7 ng mL-1. O método foi utilizado para a determinação de íons cobre em amostras de água e cabelo humano. Os resultados indicam a capacidade do método para a determinação deste íon em amostras reais. Além disso, a rápida e conveniente regeneração do eletrodo permite sua utilização em várias análises.

In the present paper a method for the determination of Cu in human hair and water samples by differential pulse anodic stripping voltammetry is presented. It has been proven that pyrrole electropolymerizes in present of Nitroso-R as dopant anion. Nitroso-R doped in polypyrrole film coated on platinum surface then reacts with Cu(II) in neutral pHs giving rise to a complex. This complexation between Nitroso-R and Cu(II) achieves the accumulation of Cu(II) from the sample solutions to the electrode surface at open circuit condition. The resulting electrode with complexed Cu(II) can then transfer to an acetate buffer and subject to anodic stripping voltammetry which promotes the appearance of a peak at +0.08 V. After the evaluation of the analytical performance a calibration graph was constructed from 1.2 to 243.9 ng mL-1 and the detection limit was 0.7 ng mL-1. The method was used for determination of copper ions in water and human hair samples. The results indicate the ability of method for the determination of this ion in real samples. Also, the rapid and convenient regeneration of electrode allows the use of a single modified electrode in multiple analyses.

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