نتایج جستجو برای: i 124
تعداد نتایج: 1052500 فیلتر نتایج به سال:
I!. Haemopoietic growth factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 A. lnterleukin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 I. Cells which respon.d to interleukin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
UNLABELLED Multimodal nanoparticles have been extensively studied for target-specific imaging and therapy of various diseases, including cancer. In this study, radiolabeled arginine-glycine-aspartic acid (RGD)-functionalized Er(3+)/Yb(3+) co-doped NaGdF(4) upconversion nanophosphors (UCNPs) were synthesized and evaluated as a multimodal PET/MR/optical probe with tumor angiogenesis-specific targ...
Inhibitors of the enzyme 17alpha-hydroxylase/17,20 lyase are a new class of anti-prostate cancer agents currently undergoing preclinical and clinical development. We have previously reported the superior anticancer activity of our novel 17alpha-hydroxylase/17,20 lyase inhibitor, VN/124-1, against androgen-dependent cancer models. Here, we examined the effect of VN/124-1 on the growth of the and...
Among the currently available positron emitters suitable for Positron Emission Tomography (PET), (124)I has the longest physical half-life (4.2 days). The long half-life and well-investigated behavior of iodine in vivo makes (124)I very attractive for pharmacological studies. In this communication, we describe a simple yet effective method for the synthesis of novel (124)I labeled compounds int...
MicroRNAs are a family of small noncoding RNAs that regulate the expression of their target proteins at the posttranscriptional level. Their functions cover almost every aspect of cell physiology. However, the roles of microRNAs in fetal lung development are not completely understood. The objective of this study is to investigate the regulation and molecular mechanisms of alveolar epithelial ce...
Because of their chemical properties and multiday half lives, iodine-124 and zirconium-89 are being used in a growing number of PET imaging studies. Some aspects of their quantitation, however, still need attention. For (89)Zr the PET images should, in principle, be as quantitatively accurate as similarly reconstructed 18F measurements. We found, however, that images of a 20 cm well calibration...
Stimulating cells by using light is a non-invasive technique that provides flexibility in probing different locations while minimizing unintended effects on the system. We propose a new way to make cells photosensitive without using genetic or chemical manipulation, which alters natural cells, in conjunction with Quantum Dots (QDs). Remote switching of cellular activity by optical QD excitation...
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