meysam yarie was born in 1987 in malayer/ hamedan, iran. he received his b.sc. in applied chemistry (2010) from malek-ashtar university of technology and m.sc. in organic chemistry (2012) from kurdistan university under the supervision of dr. kamal amani. he is currently working towards his ph.d. under the supervision of professor mohammad ali zolfigol. his research interest is the synthesis, c...

This article represents a brief history of the development of franchising in Australia and its regulatory framework and links this to an analysis of relevant research. Findings indicate a disparate ad hoc approach to research including scoping studies at the embryonic stage of franchise development; significant evidence of census style research culminating in a trajectory of disparate studies u...

silver nanoparticles (agnps) are amongst the most investigated materials in nanotechnology in view of their unique physio-chemical features and applications in restorative science. their progressive usages in different fields of science besides some predominant restrictions with conventional methods for their synthesis have demanded analysts to discover green courses for their creation. biologi...

occupational health and safety systems have a unique role in sustainable development of hazardous industries. the aim of this research is investigating and assessing of h3se performance excellence systems. to achieve mentioned goal by qualitative approach and multi grounded theory tools h3se excellence model was described. mentioned tools contain two qualitative research methods (meta synthesis...

Javad Afsar was born in 1988 in Hamedan, Iran. He obtained his B.Sc. (2011) and M.Sc. in Organic Chemistry (2013) from Bu-Ali Sina University, Hamedan, Iran. Currently, he is working towards his Ph.D. under the supervision of Prof. Mohammad Ali Zolfigol and Prof. Ardashir Khazaei at the same university. His research involves design, Synthesis and applications of new catalyst in organic synthesis.

Javad Afsar was born in 1988 in Hamedan, Iran. He obtained his B.Sc. (2011) and M.Sc. in Organic Chemistry (2013) from Bu-Ali Sina University, Hamedan, Iran. Currently, he is working towards his Ph.D. under the supervision of Prof. Mohammad Ali Zolfigol and Prof. Ardashir Khazaei at the same university. His research involves design, Synthesis and applications of new catalyst in organic synthesis.

Nowadays green synthesis of metal nanoparticles is a developing area of research. In this study, titanium dioxide nanoparticles were biosynthesized using an aqueous solution of Echinacea purpurea herba extract as a bioreductant. This is novel and interesting method for synthesis of TiO2 nanoparticles. The prepared titanium dioxide nanoparticles were characterized using ultraviolet–visible spect...