abstract background: fertilization failure is one of the most problems in assisted reproduction technology (art). objective: the aim of this study was the evaluation of oocytes activation by addition of calcium ionophore in unfertilized oocytes in icsi cycles. materials and methods: this study was done on 15 icsi cycles (stimulated with standard long protocol). mature retrieved oocytes with nor...

Previous cases reported recurrent all oocytes in repeated cycles were arrested at MI failed to mature after culture and ICSI resulted total nonfertilization. Ionomycin induced first PB extrusion patients with maturation-resistant oocytes. combined assisted oocyte activation (AOA) on MII matured vitro abnormal fertilization no further embryo cleavage potential. The objective of this work was res...

A signature of synaptic potentiation conductance has been observed in an α-Fe2O3/p-Si device fabricated using spin coating. The the dark conditions and illumination with a white light source was characterized as function application periodic bias (voltage) triangular profile. increases number voltage cycles applied plateaus to its maximum value 0.70 μS under 12.00 illumination, this mimics anal...

In this research, finite element analysis of the conventional drilling and vibration assisted drilling is carried out. The ABAQUS software is employed for FE analysis. The Johnson-Cook models for both plastic deformation and damage are employed for FE simulation.The results of the FE analysis are then verified with experimental results in both conventional and vibration assisted drilling on Al ...

genetic markers are one of the advances which have occured in the genomics era. among genetic markers, molecular markers mainly because of their abundance, are the most widely used them. development of molecular markers has greatly altered genetics and plant breeding. genetic markers indicate the genetic differences between different organs or species. some studies which were conducted during t...

a new series of thiazolidinedione derivatives were synthesized. the structures of these compounds were established by means of ir, 1h-nmr and elemental analysis. all of the compounds were screened for antidiabetic activity on albino rats. most of the compounds showed significant antidiabetic activity when compared with the standard drug glibenclamide.

background:   objective: the aim of our study was to assess the effect of storage duration of frozen embryo on art outcome.   materials and methods: in this retrospective study the data of 651 frozen-thawed embryo transfer cycles were assessed over a 36-months period. our patients were categorized according to storage time of freeze. group i: less than 90 days, group ii: between 90-365 days. gr...

objective: this study aimed to evaluate the effect of seasonal variability on the assisted reproductive technique (art) success rate. materials and methods: this study was a descriptive – analytical survey performed on 91 infertile women undergoing  intracytoplasmic sperm injection – embryo transfer (icsi-et) in different seasons. the patients aged less than 35 years old and had normal lh/fsh r...

objectives after the introduction of video-assisted thoracoscopic surgery (vats) thymectomy, there has been increased interest in the use of this technique for myasthenia gravis. we conducted a retrospective study to assess the safety and efficacy of vats thymectomy in treatment of myasthenia gravis. patients and methods the medical records of 50 patients who underwent vats thymectomy for the t...

Pregnancy achieved with sperm from a patient with globozoospermia is rare, even after ICSI, since the activation of the oocyte may not occur in this disorder. Therefore, activation of the oocytes by piezoelectricity or calcium ionophores has been suggested, although spontaneous activation of the oocyte after ICSI has been reported in some cases. We report a successful pregnancy in a couple in w...