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Gypsum-bonded particleboard manufactured from agricultural based material

Forestry Studies in China 2013年第4期15卷 325-331页

作者： Morteza NAZERIAN meisam kamyab Department of Wood and Paper Science and Technology University of Zabol

Gypsum-bonded particleboard(GBPB) panels were made from various mixtures of particles of bagasse(Saccharum officinarum L.) and wheat straw(Triticum aestivum L.), bonded with different ratios of particle/gypsum. This study examined the feasibility of bagasse and wheat straw particles in the production of GBPB. One-layer experimental GBPBs with a density of 1.05 or 1.20 g·cm 3were manufactured at different ratios of bagasse/wheat straw, i.e., 100%/0%, 93.75%/6.25%, 87.5%/12.5%, 75%/25%, 50%/50%, 25%/75% and 0%/100% using two particle/ gypsum composite ratios, i.e., 1/2.75 and 1/3.25 by weight. Thickness swelling(TS), water absorption(WA), modulus of rupture(MOR), modulus of elasticity(MOE) and internal bond strength(IB) properties of the boards were evaluated and a statistical analysis was performed in order to examine the possible feasibility of these agricultural residues for use in commercial GBPB manufacturing. We determined that WA of panels decreases as the amount of straw increases to 100% and the LR/G(wood/gypsum) ratio decreases to 1/3.25, whereas the TS of panels decreases as the proportion of straw decreases to 0% and the LR/G ratio increases to 1/2.75. The experimental results also show that the MOR and MOE of panels containing 0%, 6.25% and 12.5% wheat straw with a LR/G ratio of 1/2.75 were higher than those of panels made from 25%–100% wheat straw with a LR/G ratio of 1/2.75, as well as those from all other percentages of straw with a LR/G ratio of 1/3.25. On the other hand, the IB of panels containing more than 12.5% straw with LR/G ratios of 1/2.75 and 1/3.25 were lower than those of panels made from 0–12.5% straw also with both LR/G ratios. Panels consisting of 0%, 6.25% and 12.5% wheat straw with LR/G ratios of 1/2.75 and 1/3.25 met the minimum EN standard requirements of mechanical properties for general purposes. All of the panels containing 0–100% wheat straw with a LR/ G ratio of 1/2.75 or 1/3.25 met the required level of TS for 24-h immersion.

关键词： wheat straw ,bagasse gypsum-bonded particleboard

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Granulomatous lobular mastitis secondary to Mycobacterium fortuitum

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World Journal of Clinical Cases 2016年第12期4卷 409-412页

作者： Armin kamyab Department of Surgery Cox Monett Hospital

Granulomatous lobular mastitis is a rare inflammatory disease of the breast of unknown etiology. Most present as breast masses in women of child-bearing age. A 29-year-old female presented with a swollen, firm and tender right breast, initially misdiagnosed as mastitis. Core needle biopsy revealed findings consistent with granulomatous lobular mastitis, and cultures were all negative for an infectious etiology. She was started on steroid therapy to which she initially responded well. A few weeks later she deteriorated and was found to have multiple breast abscesses. She underwent operative drainage and cultures grew Mycobacterium fortuitum. Granulomatous lobular mastitis is a rare inflammatory disease of the breast. The definitive diagnose entails a biopsy. Other causes of chronic or granulomatous mastitis should be ruled out, including atypical or rare bacteria such as Mycobacterium fortuitum. This is the first reported case of granulomatous mastitis secondary to Mycobacterium fortuitum. With pathologic confirmation of granulomatous mastitis, an infectious etiology must be ruled out. Atypical bacteria such as Mycobacterium fortuitum may not readily grow on cultures, as with our case. Medical management is appropriate, with surgical excision reserved for refractory cases or for drainage of abscesses.

关键词： Breast Granulomatous Lobular Mastitis Breast mass Mycobacterium fortuitum

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Preoperative clinical and paraclinical predictors of choledocholithiasis

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Hepatobiliary & Pancreatic Diseases International 2008年第3期7卷 304-307页

作者： Ali Yaghoobi Notash Javad Salimi Farzaneh Golfam Gholamreza Habibi kamyab Alizadeh Medical Sciences/University of Tehran Tehran Iran Department of Surgery Medical Sciences/University of Tehran TehranIran

BACKGROUND:Choledocholithiasis is the most common cause of obstructive jaundice and cholangitis and occurs in about 10%of patients with symptomatic *** aim of this study was to find preoperative and non-invasive tests for predicting common bile duct stones(CBDs). METHODS:Findings of clinical examination,history laboratory tests and ultrasound(US)in 60 patients with CBDs were compared retrospectively,with 60 patients with *** data were collected from medical charts The sensitivity,specificity and positive predictive value (PPV)were determined. RESULTS:The comparison between the two groups showed significant differences in anorexia,itching,dark urine subicterus(slightly elevated serum bilirubin without clinical evidence of jaundice)and jaundice appearance increased bilirubin level,aspartate aminotransferase(AST) and alanine aminotranferase(ALT),CBD diameter>6 mm and stone observation under US(P<0.05).The highest specificity(100%)and PPV(100%)were found in dark urine and pale colored stool,history of cholangitis,and *** paraclinical tests,alkaline phosphatase (ALP)had the highest specificity(72.1%)and PPV(12.5%) Under US,stone observation in CBD was the most important factor with a sensitivity of 94.5%,a specificity of 100%and a PPV of 100%. CONCLUSIONS:The most important factors for predicting CBDs are history of cholangitis and pancreatitis,presence of icterus,dark urine,pale colored stool,elevation of ALP and sonographic evidence of chledocholithiasis.

关键词： choledocholithiasis gallstone predicting factor diagnosis

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Retroperitoneal High Grade Undifferentiated Pleomorphic Sarcoma as a Second Metachronous Neoplasm Following Intracranial Meningioma

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Journal of Cancer Therapy 2011年第4期2卷 515-517页

作者： Armin kamyab Michael John Jacobs 不详

Introduction: Meningiomas and retroperitoneal sarcomas are two distinct rare tumors, with an incidence of 2 and 0.4 cases per 100,000 respectively. Case Report: We report the case of a 39 year old woman with a history of intracranial meningioma who was found two months later to have a large retroperitoneal sarcoma on CT scan after presenting to the emergency department complaining of abdominal pain. Pathologic evaluation was consistent with a high grade undifferentiated sarcoma. Discussion: It is highly unusual for a 39 year old otherwise healthy patient to present with two rare, seemingly unrelated tumors. It is our suspicion that there is a genetic component involved, however to date no association has been described in the literature between intracranial meningiomas and extracranial sarcomas. Conclusion: Besides being the first report of a retroperitoneal sarcoma occurring as a second metachronous neoplasm following an intracranial meningioma, we suspect that there is a genetic component involved. Further studies may indicate a genetic mutational link.

关键词： Meningioma Sarcoma Genetic

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Agronomic Behavior of a New Cereal （Primary 6x Tritipyrum： AABBEbEb） in Comparison with Modern Triticale and Iranian Bread Wheat Cultivars

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Journal of Agricultural Science and Technology(B) 2012年第1期2卷 38-51页

作者： Maryam kamyab Hossein Shahsavand Hassani Enayatollah Tohidinejad Department of Agronomy and Plant Breeding University of Shahid Bahonar Kerman lran Department of Biotechnology International Center for Science High Technology and Environmental Sciences Kerman-Mahan Iran Department of Agronomy and Plant Breeding University of Shiraz Shiraz Iran

The novel salt-tolerant cereal, primary Tritipyrnm, is the third artificially synthesized crop plant. The agronomic traits and grain yields of 13 primary 6x Tritipyrum lines were evaluated and compared with five modern 6x triticale lines and nine bread wheat cultivars at Bahonar University, Kerman, Iran in a completely randomized block design with three replications. The primary Tritipyrum lines increased the grain yield per plant by 2.8% and 14.1% compared to triticale promising lines and Iranian bread wheat cultivars, respectively. Although the primary Tritipyrum lines were late maturing, they were shorter than the triticale lines and wheat cultivars and superior in many characters such as penultimate leaf area, flag leaf length, penultimate leaf length and time to milky ripeness. Genotypes were divided into four groups for agronomic and morphological traits and four groups for grain yield by cluster analyses. All clusters showed significant differences （a = 5%） for all traits and the first cluster, which comprised primary Tritipyrum lines, had a higher mean grain yield than the other clusters. The results of this first large-scale trial indicated the high adaptation of primary Tritipyrum lines to conditions in Kerman province in South-east of Iran.

关键词： Agronomic performance bread wheat triticale primary Tritipyrum yield traits cluster analysis.

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Clear Cell Papillary Renal Cell Carcinoma: A Rare Subtype

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Journal of Cancer Therapy 2011年第5期2卷 683-685页

作者： Armin kamyab Michael J. Jacobs 不详

Introduction: Renal cell carcinoma (RCC) is generally divided into clear cell, papillary, and chromophobe subtypes. Clear cell papillary RCC is a recently described subtype. Case report: We report the case of a 42 year old female who was found on computed tomography scan of the abdomen to have a cyst which appeared to involve the right kidney. Pathology of the cyst wall revealed features consistent with a RCC, clear cell papillary type. Discussion: Clear cell papillary RCC are a recently described entity with less than 100 cases reported in the literature. Most cases in the literature have been associated with end-stage renal disease, however more case are being reported in patients without renal disease. Conclusion: Clear cell papillary RCC is a rare distinct entity in the spectrum of renal cell carcinoma. Based on the literature they appear to be clinically indolent tumors;however, more research is required to further characterize and prognosticate these rare tumors.

关键词： Renal Cell Carcinoma Clear Cell Papillary

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Expression of connexin 30 and connexin 32 in hippocampus of rat during epileptogenesis in a kindling model of epilepsy

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Neuroscience Bulletin 2012年第6期28卷 729-736页

作者： Bijan Akbarpour Mohammad Sayyah Vahab Babapour Reza Mahdian Siamak Beheshti Ahmad Reza kamyab Departments of Physiology and Pharmacology Pasteur Institute of Iran.Tehran 131694-3551Islamic Republic of Iran Department of Physiology Faculty of Veterinary MedicineIslamic Azad UniversityScience and Research BranchTehran 14778-93855Islamic Republic of Iran Departments of Physiology and Pharmacology Pasteur Institute of IranTehran 131694-3551Islamic Republic of Iran Department of Physiology Faculty of Veterinary MedicineTehran UniversityTehran 141996-31111Islamic-Republic of Iran Department of Molecular Medicine Biotechnology Research CenterPasteur Institute of Iran Department of Biology Faculty of Science University of IsfahanIsfahan 81746-73441Islamic Republic of Iran

Objective Understanding the molecular and cellular mechanisms underlying epileptogenesis yields new in- sights into potential therapies that may ultimately prevent epilepsy. Gap junctions （GJs） create direct intercellular conduits between adjacent cells and are formed by hexameric protein subunits called connexins （Cxs）. Changes in the expression of Cxs affect GJ communication and thereby could modulate the dissemination of electrical discharges. The hippocampus is one of the main regions involved in epileptogenesis and has a wide network of GJs between different cell types where Cx30 is expressed in astrocytes and Cx32 exists in neurons and oligodendrocytes. In the present study, we evaluated the changes of Cx30 and Cx32 expression in rat hippocampus during kindling epileptogenesis. Methods Rats were stereotaxically implanted with stimulating and recording electrodes in the basolateral amygdala, which was electrically stimulated once daily at afterdischarge threshold. Expression of Cx30 and Cx32, at both the mRNA and protein levels, was measured in the hippocampus at the beginning, in the middle （after acquisition of focal seizures）, and at the end （after establishment of generalized seizures） of the kindling process, by real-time PCR and Western blot. Results Cx30 mRNA expression was upregulated at the beginning of kindling and after acquisition of focal seizures. Then it was downregulated when the animals acquired generalized seizures. Overexpression of Cx30 mRNA at the start of kindling was consistent with the respective initial protein increase. Thereafter, no change was found in protein abundance during kindling. Regarding Cx32, mRNA expression decreased after acquisition of generalized seizures and no other significant change was detected in mRNA and protein abundance during kindling. Conclusion We speculate that Cx32 GJ communication in the hip- pocampus does not contribute to kindling epileptogenesis. The Cx30 astrocytic network localized to perivascular re

关键词： connexin 30 connexin 32 hippocampus kindling

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Mental health among Iranian combat veterans with ankle-foot neuromusculoskeletal injuries

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Military Medical Research 2018年第2期5卷 95-102页

作者： Arsia Taghva Mostafa Allami kamyab Alizadeh Anahita Zandi Elahe Faraji Zohreh Ganjparvar AJA University of Medical Sciences Disaster and Military Psychiatry Research CenterTehranIran Janbazan Medical and Engineering Research Center TehranIran Nursing and Midwifery Department Torbat Heydarieh University of Medical SciencesTorbatIran

Background:Veterans with purely physical disorders,such as ankle-foot neuromusculoskeletal disorders,are often neglected in psychological assessments because mental health evaluations are usually focused on those with a psychological disturbance or with a high percentage of *** purpose of this study was to evaluate the psychological condition of veterans with ankle-foot neuromusculoskeletal ***:A cross-sectional study was performed between 2014 and 2016 on veterans with war-related ankle-foot injuries living in two provinces of *** information form for demographic data and injury-related factors was ***,the previously validated Persian version of the Symptom Checklist-90-Revision(SCL-90-R)questionnaire was used for data ***:The respondents were 215 male veterans with a mean age of 51.7±7.5 *** most common mental health problems were observed for the somatization(24.7%),obsessions-compulsions(14.4%),and anxiety(12.6%).Based on the Global Severity Index(GSI),48.6%of individuals had a possible psychiatric/psychological *** to the multivariate regression analysis,GSI scores were significantly higher among veterans who were older than 27 years at the time of injury(P=0.005),had an associated injury(P=0.002),and had a history of hospitalization within the past 12 months for reasons other than their injury(P=0.035).Conclusion:Approximately half of the combat veterans with ankle-foot neuromusculoskeletal disorders likely had psychological *** evaluation of the patterns and predicting factors of psychological conditions may inform strategic planning efforts and decision-making,which,in turn,may provide a better quality of life for *** studies that utilize longitudinal designs are needed to evaluate and compare the psychological status of different groups of veterans and other groups in the general population.

关键词： Veterans’health Ankle Foot Mental health

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Retroperitoneal High Grade Undifferentiated Pleomorphic Sarcoma as a Second Metachronous Neoplasm Following Intracranial Meningioma

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Journal of Cancer Therapy（癌症治疗） 2011年第4期

作者： Armin kamyab Michael John Jacobs

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Clear Cell Papillary Renal Cell Carcinoma: A Rare Subtype

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Journal of Cancer Therapy（癌症治疗） 2011年第5期

作者： Armin kamyab Michael J. Jacobs

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