The selection of a scaffold-fabrication method becomes challenging due to the variety in manufacturing methods, biomaterials and technical requirements. The design and development of tissue engineering scaffolds depend upon the porosity, which provides interconnected pores, suitable mechanical strength, and the internal scaffold architecture. The technology of the additive manufacturing (AM) method via photo-polymerization 3D printing is reported to have the capability to fabricate high resolution and finely controlled dimensions of a scaffold. This technology is also easy to operate, low cost and enables fast printing, compared to traditional methods and other additive manufacturing techniques. This article aims to review the potential of the photo-polymerization 3D-printing technique in the fabrication of tissue engineering scaffolds. This review paper also highlights the comprehensive comparative study between photo-polymerization 3D printing with other scaffold fabrication techniques. Various parameter settings that influence mechanical properties, biocompatibility and porosity behavior are also discussed in detail.

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Grey fuzzy logic method is a new artificial intelligent method that   can make significant improvement in the performance characteristics of the process. In the present study an attempt has been made to provide a brief understanding of the advancement of the Grey Fuzzy Logic from 2010 to 2016. The first half of this paper presents the publication trend of Grey Fuzzy Logic. The remaining of this paper briefly explains the contribution of the individual publication related to Grey Fuzzy Logic. It is believed that this paper will greatly benefit the reader who needs a bird-eyes view of the Grey Fuzzy Logic ’s publications trend.