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- 저자 : Gholamali Shabani (검색결과 2 건)
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Effect of Organic Fertilizers on Nitrate Accumulation by Vegetables
Gholamali Peyvast,Jamalali Olfati,Parvin Ramezani Kharazi,Sekineh Tahernia,Hadi Shabani 한국원예학회 2008 Horticulture, Environment, and Biotechnology Vol.49 No.1
The use of composts in agricultural soils is a widespread practice and the positive effects on soil and vegetables are known from numerous studies. There have been few attempts to study the effect of using composts on nitrate accumulation by vegetables. By The use of organic fertilizers experimented vegetables prevents the high risk absorption of nitrate in edible parts, therefore, their use as Organic Mater (OM) is recommended. For Chinese cabbage, there were no significant positive relationship between the nitrate accumulation and MSWC levels; however, for parsley and spinach, the highest amount of cattle manure vermicompost resulted in significantly lower nitrate accumulation. Application of MSWC at more than 25 tㆍ㏊?¹ and 50 tㆍ㏊?¹ is recommended for broccoli and garlic, respectively. 50 tㆍ㏊?¹ cattle manure compost can be also applied for garlic.
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Preparation and Evaluation of 68Ga-ECC as a PET Renal Imaging Agent
Alireza Mirzaei,Amir Reza Jalilian,Ayuob Aghanejad,Mohammad Mazidi,Hassan Yousefnia,Gholamali Shabani,Khosro Ardaneh,Parham Geramifar,Davood Beiki 대한핵의학회 2015 핵의학 분자영상 Vol.49 No.3
Purpose Development of a gallium-68-labeled renal tracer can be a good substitute for Tc-99m, a known SPECT tracer. In this study, effort was made to develop 68Gaethylenecysteamine cysteine (68Ga-ECC). Methods Ga-ECC was prepared using generator-based 68GaCl3 and ethylenecysteamine cysteine (ECC) at optimized conditions. Stability of the complex was checked in human serum followed by partition coefficient determination of the tracer. The biodistribution of the tracer in rats was studied using tissue counting and PET/CT imaging up to 120 min. Results Ga-ECC was prepared at optimized conditions in 15 min at 90 °C (radiochemical purity ≈97±0.88 % ITLC, >99 % HPLC, specific activity: 210±5 GBq/mM). 68Ga- ECC was a water-soluble complex based on partition coefficient data (log P; −1.378) and was stable in the presence of human serum for 2 h at 37 °C. The biodistribution of the tracer demonstrated high kidney excretion of the tracer in 10– 20 min. The SUVmax ratios of the liver to left kidney were 0.38 and 0.39 for 30 and 90 min, respectively, indicating high kidney uptake. Conclusion Initial biodistribution results showed significant kidney and urinary excretion of the tracer comparable to that of the homologous 99mTc compound. The complex could be a possible PET kidney imaging agent with a fast imaging time.
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