The recent claim to have discovered evidence of extraterrestrial life on a meteorite from Mars is not compelling, but the study nevertheless has useful heuristic value.

objectives this study evaluates the correlation between hbv infection and snp in il-10 gene promoter. patients and methods ninety-six hbv-infected patients (32 chronic hepatitis b infection patients, 34 healthy carriers, 30 spontaneously recovered cases) and 31 healthy controls were enrolled. three biallelic (-819,-592,-1082) regions in the il-10 gene promoter were sequenced for all patients. r...

north-western iran comprises diverse geographical landscapes, including pastures of piedmonts, mountains, and well-watered plains. the present chronology of this region, nevertheless, is based exclusively on data collected from sites around the urmia lake, other regions being almost totally ignored. during the late bronze age (hereafter lba) a new way of life took shape in the mountainous regio...

the number of lambs sold per ewe mated in the breeding flock has a considerable impact on sheep operation profitability. this depends primarily on fertility, prolificacy (# of lambs), and lamb survival, mothering ability, milk production of the ewe and lamb growth rate. optimal reproduction does vary by environment and management system – some sheep operations don’t want a lambing rate over 200...

the current study aims to investigate the effective factors on brand equity with an enphasis on monetary and non-monetary promotion and corporate image among students of shahid beheshti university. evaluation of variables was conducted by means of questionnaire. after determining reliability and validity, the questionnaire was distributed among the samples  including 344 students of shahid behe...

voriconazole is the first-line therapy for invasive aspergillosis. nevertheless, mortality remains high due to different factors. although azoles are very active in vitro against aspergillus fumigatus, several studies have reported azole-resistant a. fumigatus isolates in european countries, asia, and the united states. therefore, new approaches are needed. the aim of the present study was to e...

regenerative medicine provides substitutes for organ transplantation, which is restricted in applicability due to immune responses against allograft and the large discrepancy between the need for organs and the number of available transplantation. an artificial environment is allowing cells to induce tissue regeneration. growth factors (gfs) play a significant role in the cell fates in their mi...

stroke is an important cause of death in the world and disability world‑wide especially in developed countries. following acute phase of stroke, some procedures and medical treatment such as thrombolytic agents has been recommended; nevertheless many patients have enduring deficits. thus, there is a realistic need to develop treatment strategies for reducing neurological deficits. however, the ...

We define a graph structure associated in natural way to finite fields that nevertheless distinguishes between different models of isomorphic fields.