نتایج جستجو برای: solid liquid ptc
تعداد نتایج: 387858 فیلتر نتایج به سال:
The nucleophilic displacement on n-octylmesylate (n-C(8)H(17)OSO(2)CH(3), 1) with four different anions (I(-), Br(-), N(3)(-), and SCN(-)) is investigated under liquid-supercritical phase-transfer catalysis (LSc-PTC) conditions, i.e. in a biphase system of supercritical carbon dioxide (scCO(2)) and water, in the presence of both silica supported and conventional onium salts. The CO(2) pressure ...
The aim of this study was to investigate the application value of thyroid puncture biopsy guided by contrast-enhanced ultrasound (CEUS). A total of 48 patients with 51 solid thyroid nodules (suspected papillary thyroid carcinoma, PTC) were enrolled in the study. Following detection by conventional ultrasonography and CEUS, puncture biopsy of the suspicious lesions guided by conventional ultraso...
The aryl hydrocarbon receptor (AHR) is a ligand-activated transcription factor mediating the toxicity and tumor-promoting properties of dioxin. AHR has been reported to be overexpressed and constitutively active in a variety of solid tumors, but few data are currently available concerning its role in thyroid cancer. In this study we quantitatively explored a series of 51 paired-normal and papil...
OBJECTIVE This study was designed to evaluate the ultrasonographic (US) findings of medullary thyroid carcinoma (MTC) as compared to findings for papillary thyroid carcinoma (PTC). MATERIALS AND METHODS The study included 21 cases of MTC that were surgically diagnosed between 2002 and 2007 and 114 cases of PTC that were diagnosed in 2007. Two radiologists reached a consensus in the evaluation...
The prevention of thermal runaway (TR) in lithium?ion batteries is vital as the technology pushed to its limit power and energy delivery applications such electric vehicles. TR resulting fire explosion have been responsible for several high?profile accidents product recalls over past decade. Herein, causes are described novel preventative methods examined, approaching problem from different ang...
In digital forensics, the issue of data integrity protection for increasingly widespread applied SSD (Solid State Disk, SSD) is to be resolved. Based on Combinatorial Group Theory, mapping data objects in SSD validation process and test object in combination group testing methods, using the non-adaptive mode to the initial calculation, stored procedures, and re-calculate, verify process, and ca...
A number of reports indicated that Aurora-A or Aurora-B overexpression represented a negative prognostic factor in several human malignancies. In thyroid cancer tissues a deregulated expression of Aurora kinases has been also demonstrated, but no information regarding its possible prognostic role in differentiated thyroid cancer is available. Here, we evaluated Aurora-A and Aurora-B mRNA expres...
Papillary Thyroid Carcinoma (PTC) displays one of the highest familiality scores of all cancers as measured by case-control studies, yet only a handful of genes have been implicated until now. Variants in microRNAs have been associated with the risk of several cancers including PTC but the magnitude of this involvement is unclear. This study was designed to test to what extent genomic variants ...
Abstract Introduction: The diagnosis of thyroid tumors arising from follicular cells that are encapsulated/well delimited and noninvasive is a challenge. When unequivocal nuclear alterations present, the final can range neoplasm with papillary-like features (NIFTP) classical/encapsulated papillary cancer (PTC), including aggressive subtypes, to poorly differentiated carcinoma. As proposed recen...
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