Triploid or hybrid tetra: Which is the ideal sterile host for surrogate technology?

P-58: Which Novel Sperm Selection is Suitable for ICSI? MACS-DGC or DGC-MACS

Background: Super-paramagnetic annexin-V conjugated micro-beads are able to eliminate sperm with phosphatidylserine externalization (PSE). PSE is considered as apoptotic sperm. PES positive sperm can be removed from sperm preparations sample to enhance sperm quality for assisted medical procreation. Therefore, the efficiency of this technique over normal sperm processing procedure such as densi...

Which Culture System Is better for Chondrogenesis of Adipose-Derived Stem Cells ; Pellet or Micromass?

Background and Aims: The current study was conducted to compare the expression levels of collagen type Π and X during chondrogenesis of human adipose-derived mesenchymal stem cells (hADMSCs) pellet and micromass cultures.  Materials and Methods: Extracted hADMSCs were cultured until three passages and then transferred to pellet and micromass cultures in the experimental groups of day 7 and day...

Inputs Accumulation Or Productivity: Which Factor Is The Leading Contributor To Economic Growth In Iran?

Which is effective: self-directed learning or tutor-directed learning on the level of nursing skills

Introduction. This is quasi experimental research in order to determine and compare the learning level of nursing skills ( in B.A students) with self-directed learning and tutor-directed learning pattern in Shaheed Beheshti Univeristy of Medical Sciences and Health Services, Nursing and Midwifery faculty, 1998-1999. Methods. First of all, a questionnaire composed of some demographic data such ...

Conventional, Hybrid, or Electric Vehicles: Which Technology for an Urban Distribution Centre?

Freight transport has an important impact on urban welfare. It is estimated to be responsible for 25% of CO2 emissions and up to 50% of particles matters generated by the transport sector in cities. Facing that problem, the European Commission set the objective of reaching free CO2 city logistics by 2030 in major urban areas. In order to achieve this goal, electric vehicles could be an importan...