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“The PaakShooy”: A Robotics Cell for Washing and Preparation of a Corpse for an Islamic Burial
A. Meghdari,K. G. Osgouie,E. Nasiri,A. R. Nemati,A. M. Mortazavi 제어로봇시스템학회 2011 제어로봇시스템학회 국제학술대회 논문집 Vol.2011 No.10
Washing the body and dressing the corpse prior to burial is an act of love and necessity in many religions. Applying robotics and automation technologies for washing and preparation of a deceased Moslem in accordance to the Islamic Shari’a laws has been the challenging foundation of this research. With increasing annual population growth and as a result an increase in number of deaths (historically and/or immediately after a national disaster), automating part of this procedure to increase speed of operation, reducing the health risks to the personnel of washing rooms “Ghassalkhaneh” at the cemeteries and enhancing their quality of life has been the utmost objective of this project. We have named and patented this semi-automated corpse preparation machine as the “PaakShooy” or “ ??? ??? ” in Persian (Farsi) which means purifying the deceased. The whole process is composed of three operational units lined up in series; the automatic washing chamber, drying cell, and the semi-automatic shrouding table. This paper covers an introductory concept of the subject in Islam, a conceptual design of various machines and mechanism to automate the important tasks in accordance to Islamic laws, and the final detailed design, simulation, and animation of the PaakShooy machine. In doing so, consultation with Islamic scholars has been a priority from the beginning of the project to the end.
M.S. Aghakhani,A.A. Khodadadi,Sh. Najafi,Y. Mortazavi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.5
Catalytic composites of Y-zeolite-amorphous silica–alumina (ASA) were prepared by four different methods to enhance pre-cracking and cracking of triisopropylbenzene (TIPB). TIPB cracking on composite catalysts were compared with a conventionally prepared catalyst. The samples were characterized by FESEM, XRD, N2-adsorption and NH3-TPD. The catalysts performance was evaluated by triisopropylbenzene cracking at 350˚ C in a fixed bed reactor. The coke content of the catalysts was measured by TPO. Compared to the conventional catalyst, significantly deeper cracking to benzene of about 117% higher, up to 62% lower amount of coke, and lower deactivation rate are observed for the composite catalysts.
Association of a Synthetic Bone Graft and Bone Marrow Cells as a Composite Biomaterial
S. M. Rabiee,S. M. J. Mortazavi,F. Moztarzadeh,D. Sharifi,F. Fakhrejahani,A. Khafaf,S. A. Houshiar Ahmadi,N. Nosoudi,R. Ravarian 한국생물공학회 2009 Biotechnology and Bioprocess Engineering Vol.14 No.1
Porous calcium phosphates have osteoconductive properties. The aim of this study was to obtain synthetic calcium phosphate bone graft substitute. X-ray diffraction was employed to investigate the formation of the beta-tricalcium phosphate (β-TCP) phase. We evaluated the effects of bone marrow on the osteoconductivity and mechanical properties of synthetic bone graft (SG). SG cylinders loaded with bone marrow (SGBM) and SG alone were implanted into rabbits femoral condyle bone defects. Histological examinations revealed the resorption of the SG, trabecular bone with osteoblasts and osteoid substance around the implants, and colonization inside the porous β-TCP by newly formed bone. Histomorphometry conducted after three months revealed the osteoid surface to be higher in SGBM than SG (p < 0.05). The compressive strengths of SG and SGBM were significantly higher than the anatomic control at all time periods. The elastic modulus of SBG and SGBM became weaker after implantation. The present results indicate that β-TCP is a good matrix for bone marrow, which contributes osteoinductive properties in an orthotopic. The composite biomaterial may be useful in reconstructive bone surgery.
R. Khatiri,A. Reyhani,S.Z. Mortazavi,M. Hossainalipour 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.5
In this study, the synthesis of four layer structures coated on magnetite nanoparticles such that Fe3O4/SiO2/APTES/PEG/BSA was investigated. Magnetite nanoparticles were synthesized by co-precipitating Fe2+ and Fe3+ in an ammonia solution with the average size of 25 nm. To fabricate Fe3O4/SiO2 core–shells,the magnetite nanoparticles coated by silica with Stober method. The fabricated nanoparticles were treated by 3-aminopropyl-triethoxysilane to achieve Fe3O4/SiO2/APTES nanostructures. Moreover, the nanoparticles were also attached to reactive polyethylene glycol chains. Eventually, the nanoparticles activated with bovine serum albumin for bio-application. X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, UV–vis spectroscopy and vibrating sample magnetometer were used to support the characterization.