فهرست مطالب khadijeh darabi

Carbamazepine is a pharmaceutical compound used as an anticonvulsant for epilepsy and can enter the environment by inappropriate treatment of hospital wastewater. Therefore, the present study aimed to investigate the removal of carbamazepine from the aquatic environment, using the ozonation process.
This is an experimental study in which certain concentrations of carbamazepine were removed, using the ozonation process. The effect of such factors as pH (3-11), carbamazepine concentration (5-15 ppm), ozone dose (200-400 mg/hr), and reaction time (15-180 seconds) on the removal efficiency was studied. Data analysis was performed to measure carbamazepine, using the High-Performance Liquid Chromatography (HPLC).
The results showed that the carbamazepine removal efficacy at pHs of 5, 7, and 11 was 81%, 66%, and 21%, respectively at 15 ppm, the reaction time of 30 seconds, and the ozone dose of 200 mg/hr, respectively. Also, at the dose of 200 and 400 mg/hr injectable ozone at pHs of  5 and 7, removal efficiency was 81%, 66%, 97%, and 78%, respectively.
According to the results, at pH=5, reaction time of 30 seconds, the carbamazepine concentration of 15 ppm, injectable ozone dose of 200 mg/h, a removal efficiency of 81% was obtained. The ozonation process can react directly or indirectly with the drug contaminant in very low concentrations in aqueous solutions due to its high oxidation power, leading to its destruction or elimination, which may indicate that the ozonation method may be used as an effective method to remove carbamazepine and other similar contaminants.

To determine armyworm species in sugar beet fields in Isfahan, monthly or biweekly sampling of lepidopteran larvae or pupae from soil or beet leaves was conducted in Abrisham town of Isfahan, Iran in 2014. Samples were sent to the laboratory and their DNA was extracted after reaching adult stage and morphological identification was performed. Afterward, a region of the Cytochrome Oxidase I gene was PCR amplified using Lep – F / R primers and was sent to Macrogen Inc. company (Seoul, Korea) for sequencing. The amplified segment alignment and its BlAST with the sequences available in NCBI showed that among the identified samples, only one sample had 100% similarity with Anarta trifolii (hufnagel, 1766) sample from Canada. Species composition of noctuids was determined by collecting 476 larvae or pupae in 10 sampling times. Spodoptera exigua (42.65%) and A. trifolii (38.45%) had the highest frequency of noctuid species.

In this study, the effect of soil incorporated with endophyte-infected plant residues (Lolium perenne infected with Epichloe festucae) in tomato pot media was investigated on the tomato leaf miner, Tuta absoluta, population. Treatments were tomato plants planted in pod media containing 1.5% or 3.5% endophyte-infected and endophyte-free plant residues and control (without residues). Based on the results, population reared on plants which treated by 3.5% endophyte infected residue showed the highest larval mortality (14.28%) and doubling time of population (8.67±0.05 days) and lowest intrinsic rate of increase (0.08±0.01 day-1), gross reproductive rate (15.86±3.45 offspring), finite rate of increase (1.08±0.01 day-1), net reproductive rate (11.46±2.96 offspring), mean of eggs per female (36.45±1.90) and percentage of hatched egg (33.75±0.01). According to the results, it seems that application of endophyte-infected plant residues in tomato growing media, by reducing the T. absoluta fitness, can be considered as potential mean for the control of this pest, especially in greenhouse cultures.