background: nuts are one of the main consumed snacks worldwide and also have an important role among iranian's food habits. natural contamination of nuts with aflatoxin is unavoidable and causes a special challenge for nuts safety and quality. objectives: the purpose of this research was to study the aflatoxin contamination in commercially-available nuts (pistachio, walnut and peanut) in the ma...

in the present study a new economic and rapid bacterial micro-assay for simultaneous detection and quantitative measurement of serum galactose was developed. analysis of the standard curve showed a linearity range for galactose from 2 mg/dl to 180 mg/dl with a regression equation of y = 0.013x ? 0.083; r² = 0.962. the advantage of the method is its ability to measure serum galactose quantitativ...

iran has 1260 km of coastline that borders the persian gulf and the oman sea in the northwest indian ocean. marine algae are one of the natural resources in the marine ecosystem which produce a wide range of new secondary metabolites with various biological activities that play an important role in the pharmaceutical care. in this study the cytotoxic activity of 28 marine algae of chabahar coas...

the genus stachys belongs to lamiaceae family with about 300 species and worldwide distribution. in the present study, the cytotoxic activity of four fractions of different satchys species (s. byzatina c. koch., s. inflata benth., s. setifera ten. and s. persica gmel.), has been investigated against ht-29 (colon carcinoma), caco-2 (colorectal adenocarcinoma), t-47d (breast ductal carcinoma) and...

two sensitive spectrophotometric methods are presented for the assay of pantoprazole sodium sesqui hydrate (pnt) in bulk drug and in formulations using n-bromosuccinimide (nbs) and two dyes, methyl orange and indigo carmine, as reagents. the methods involve the addition of a known excess of nbs to pnt  in acid medium, followed by determination of unreacted oxidant by reacting with a fixed amoun...

leishmaniasis is an important and common zoonotic disease with a great impact on public health. in the present study, a total of 195 companion cats of different ages were examined for serum antibody detection against leishmania infantum by immunochromatography assay. the cats were selected from those referring to veterinary hospital of ahvaz university, south west of iran from may 2009 to march...

b ackground : tuberculosis is a crucial health problem. establishing a rapid, reliable and still inexpensive diagnostic method for tuberculosis seems to be substantial in developing countries where tb has very high incidence rate . methods:   an indirect  enzyme-linked  immunosorbent  assay (elisa )   was established to detect serum antibodies against mycobacterium  tuberculosis. three kinds of...

background apoptosis or programmed cell death is an essential process for elimination of damaged cells. also, induction of apoptosis is fundamental for treating cancer. screening for agents that induce apoptosis in tumor cells help in the development of novel agents for cancer treatment. numerous studies suggest that the exposure of tumor cells to statins can lead to cell death via two separate...

conclusions afm1 contamination of milk is not a concern in this city. however, dairy cattle feed samples of various livestocks must be regularly checked for aflatoxin and the storage conditions of feeds should be strictly controlled. results afm1 was detected in all milk samples. the mean concentration of afm1 was 11.61 ± 0.72 ng/l with a range of 6.3-23.3 ng/l. none of the samples had levels e...

BACKGROUND Cerium oxide nanoparticles (CeO2 NPs) are able to store and release oxygen, conferring them scavenger activity against oxidative stress. However, their effects in reproductive systems are not yet well understood. The aim of the study was to investigate the effects of exposure of refrigerated ram semen to CeO2 NPs for 96 h on the main structural and kinematic parameters of spermatozoa...