نتایج جستجو برای: 111 111in
تعداد نتایج: 32086 فیلتر نتایج به سال:
This study evaluates the usefulness of labeled leukocyte imaging in patients with rheumatoid arthritis. In 33 patients, the incidence of pain and swelling in 66 wrist joints and 66 knee joints was compared with the accumulation of [111In]leukocytes. No accumulation of [111In]leukocytes was seen in any of the patients' wrists (0/12) or knee joints (0/14) when both pain and swelling were absent. ...
When 111In-labeled murine monoclonal antibodies are used in radio-scintigraphic diagnostic procedures, a large fraction of the injected radionuclide is sequestered by the liver. Neither the cells responsible for the uptake nor the mechanism of uptake are known. Little is known about either the site within the liver of antibody metabolism or the form of the products of metabolism. In these studi...
BACKGROUND Atherosclerotic plaque phenotypes are classified based on the extent of macrophage infiltration into the lesions, and the presence of certain macrophage subsets might be a sign for plaque vulnerability. The mannose receptor (MR) is over-expressed in activated macrophages. Tilmanocept is a tracer that targets MR and is approved in Europe and the USA for the detection of sentinel lymph...
This work aimed to measure the in vivo quantification errors obtained when ray-based iterative reconstruction is used in micro-single-photon emission computed tomography (SPECT). This was investigated with an extensive phantom-based evaluation and two typical in vivo studies using 99mTc and 111In, measured on a commercially available cadmium zinc telluride (CZT)-based small-animal scanner. Iter...
Liver uptake of 111In-labeled monoclonal antibodies (MoAb) remains a significant problem in radioimaging studies to date. To determine if the observed liver uptake of an 111In-labeled anti-melanoma antibody 96.5 (111In-96.5) was dependent on the presence of hepatic antigen or on recognition of circulating murine antibody, escalating doses of an unlabeled nonimmunoreactive MoAb (NIR-MoAb) were a...
هدف از این پژوهش، سنتز کمپلکس [111In-THPP] و ارزیابی آن به عنوان عامل تصویربرداری جدید است. رادیوداروی 111In]InCl3]، با استفاده از 111In]InCl3] و لیگاند 5،10،15،20- تتراکیس (4- هیدروکسی فنیل)- پورفیرین (THPP) در دمای 800C و به مدت min60 سنتز شد. هسته‌ی پرتوزای 111In از طریق بمباران کادمیم طبیعی با باریکهای از پروتونهای MeV30 و جریان µA150 در سیکلوترون حاصل شد. جداسازی به روش کروماتوگرافی یون...
The dynamics of leucocytes in abdominal abscesses were studied using indium-111 autologous leucocyte scanning in 30 patients. Thirteen patients showing enteric drainage of leucocytes on delayed scans were characterised by a lack of abdominal localising signs and a low detection rate by ultrasound (25%). By contrast, 16 of 17 patients without enteric drainage had abdominal signs, and in these pa...
The survival of red cells labelled with indium-111 oxine in the circulation was determined. In vivo distribution at equilibrium and sites of deposition at the T50In--that is, the half life of labelled red cells--were quantitated with a scintillation camera and computer assisted image analysis. Although the rate of elution. Of 111In from the red cells was higher than that of chromium-51-disodium...
Radiolabeled liposomes have been employed as diagnostic tools to monitor in vivo distribution of liposomes in real-time, which helps in optimizing the therapeutic efficacy of the liposomal drug delivery. This work utilizes the platform of [111In]-Liposome as a drug delivery vehicle, encapsulating a novel 18F-labeled carboplatin drug derivative ([18F]-FCP) as a dual-molecular imaging tool as bot...
Mean platelet survival and turnover were simultaneously determined with autologous 111In-labeled platelets (111In-AP) and homologous 51Cr-labeled platelets (51Cr-HP) in ten patients with chronic immune thrombocytopenic purpura (ITP). In vivo redistribution of the 111In-AP was quantitated with a scintillation camera and computer-assisted image analysis. The patients were divided into two groups:...
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