results mycoflora profiles of fresh and stored rice grains showed that aspergillus species (37.3%, 40.7%) were the predominant fungal agents, followed by fusarium (21.6%, 16.2%), mucor (19.6%, 16.7%) and rhizopus (9.8%, 11.1%), respectively. in hplc analysis, most of the rice samples (96.7%) collected were found to be positive for fb1 with mean levels ranging from not detected to 56.2 mg/kg for...

purpose: to evaluate total plasma homocysteine level during the acute phase of central retinal vein occlusion (crvo) compared with a matched healthy group in iranian population, and determine whether hyperhomocysteinemia is also a risk factor for crvo. methods: a study group contains 54 patients presenting with crvo in recent one month, acute phase of the decease, was compared for fasting total...

conclusions although the results obtained with the use of different methods show an excellent correlation, when one particular sample is tested by different assays, the results are significantly different. it can be concluded that the national standardization program of hba1c measurement is necessary. background hemoglobin a1c (hba1c) testing devices are widely used to evaluate glycemic control...

background : doogh is a fermented beverage in which microbial spoilage is possible. benzoic acid and its salt (sodium benzoate) are added to doogh as antimicrobial preservative to control microbial spoilage. however, the use of this preservative has been prohibited in milk and dairy products such as food and drug administrationand institute of standards and industrial research of iran. thus, th...

the aim of this study was to investigate the removal of toluene from air through nano-graphene modified by ionic liquid (ng-il). the batch adsorption experiments in glass bottle of gas chromatography equipped with flame ionization detector (gc-fid) were used. graphene ultrahigh-quality synthesized by substrate-free gas-phase method in a single step and graphene sheets were deposited with ionic-...

Submit Manuscript | http://medcraveonline.com Abbreviations: NMR: Nuclear Magnetic Resonance; HPLC: High Performance Liquid Chromatography; RP-HPLC: Reverse Phase High Performance Liquid Chromatography; HPTLC: High Performance Thin Liquid Chromatography; TLC: Thin Liquid Chromatography; API’s: Active Pharmaceutical Ingredient’s; LOD: Limit of Detection; LOQ: Limit of Quantitation; FTIR: Fourier...

Coleman WM III (1992a) The volatile and semivolatile components of supercritical Suid and methylene chloride extracts of selected tobaccos. Journal of Essential Oil Research 4: 113. Coleman WM III (1992b) Automated purge-and-trapgas chromatography analysis of headspace volatiles from natural products. Journal of Chromatographic Science 30: 159. Coleman WM III (1996) A chromatographic study of t...

increase in the surface area, demonstrating that the Fe(III) ions work by making the resin porous. The use of these two metal ions enables efRcient NO adsorption. The polymeric resin as well as the metal complex itself greatly affects the adsorbing ability for the target gas molecules as described in the case of CO, C2H4, and NO adsorption. It has been demonstrated clearly that large surface ar...

bering system). The four pyrrole rings are designated A, B, C and D. The -positions, which are usually substituted with acetic acid (Ac), propionic acid (Pr), methyl (Me), ethyl (Et) and vinyl (V) groups, are numbered 1}8. The four methine bridges or mesopositions are denoted , , and . to a macroporous molecule is fractional but by using very small particle diameters it can be increased somewha...