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        Efficacy of Maxforce and Avion gel baits containing fipronil, clothianidin, and indoxacarb against the German cockroach (Blattella germanica)

        Behroz DAVARI,Susan KASHANI,Hassan NASIRIAN,Mansour NAZARI,Aref SALEHZADEH 한국곤충학회 2018 Entomological Research Vol.48 No.6

        The present study evaluated the efficacy of Maxforce gel baits containing 0.01% fipronil (Maxforce), 0.05% fipronil (Maxforce Magnum), 1.0% clothianidin (Maxforce Impact), and 0.6% indoxacarb (Avion gel bait; all from Bayer Environmental Science, Clayton, CA, USA) against reference and wild strains (Mobasher, Andisheh, Tamin‐e Ejtemaei, and Maskoni) of German cockroach collected in 2016. Test design and bait placement were according to World Health Organization (WHO) procedures for efficacy achieving a 95% mortality rate. Although cockroaches fed on all gel baits, gel baits containing clothianidin and indoxacarb were eaten at higher rates than gel baits containing 0.01% and 0.05% fipronil. The cumulative mortality rates reached 100% for all cockroach strains at 32, 28, 28 and 40 h after eating baits containing 0.01% fipronil, 0.05% fipronil, clothianidin, and indoxacarb, respectively. Efficacy (a 95% mortality rate) after exposure (consumption) of gel baits containing 0.05% fipronil and clothianidin was seen after 28 h, compared with 32 h for 0.01% fipronil and 40 h for indoxacarb. In conclusion, commercial gel baits have improved and may be more effective than spray formulations against German cockroaches.

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        Effect of calcium on premenstrual syndrome: A double-blind randomized clinical trial

        ( Fatemeh Shobeiri ),( Fahimeh Ezzati Araste ),( Reihaneh Ebrahimi ),( Ensiyeh Jenabi ),( Mansour Nazari ) 대한산부인과학회 2017 Obstetrics & Gynecology Science Vol.60 No.1

        Objective Premenstrual syndrome (PMS) affects millions of women and is known as the most important disorder among them. The very aim of the present study was to evaluate the effects of low dose calcium on severity of PMS. Methods This study can be considered as a double-blind randomized clinical trial. Female students of Hamadan University of Medical Sciences diagnosed with PMS in 2014 participated in the present study. Sixty-six female students diagnosed with PMS were involved in the experimental and control groups. The participants were randomly assigned into two groups to receive 500 mg of calcium daily or placebo for two months. Severity of PMS was detected by Daily Record of Severity of Problems, which was used to measure symptoms during one menstrual cycle before and two menstrual cycles after the intervention. Results No signifcant differences were observed in the mean scores of PMS symptoms between calcium and placebo groups before the treatment (P=0.74). However, signifcant differences were noticed between the two intervention groups in the first (P=0.01) and second menstrual cycles (P=0.001) after the intervention. The differences were significant in subgroups of anxiety, depression, emotional changes, water retention, and somatic changes in calcium group compared with placebo group in the menstrual cycle before the intervention and two menstrual cycles after the intervention and among menstrual cycles (0, cycle 1, cycle 2) in calcium group (P=0.01). Conclusion Overall, the results of the present study suggest that treatment with calcium supplements is an effective method for reducing mood disorders during PMS.

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