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BACKGROUND Central lymph node metastasis of papillary thyroid microcarcinoma (PTMC) is common; however, prophylactic central lymph node dissection (CLND) is still controversial because of the possible increased morbidity. The purpose of this study is to determine the clinical outcome of patients with cN0 PTMC by central neck dissection. METHODS A(More)
In vitro, the recombinant HIV-1 Gag protein can generate spherical particles with a diameter of 25-30 nm in a fully defined system. It has approximately 80 building blocks, and its intermediates for assembly are abundant in geometry. Accordingly, there are a large number of nonlinear equations in the classical model. Therefore, it is difficult to compute(More)
A photonic crystal fiber (PCF) based high-temperature fiber-optic sensor is proposed and experimentally demonstrated. The sensor head is a Fabry-Perot cavity manufactured with a short section of endless single-mode photonic crystal fiber (ESM PCF). The interferometric spectrum of the Fabry-Perot interferometer is collected by a charge coupled device linear(More)
There are two stages generally recognized in the viral capsid assembly: nucleation and elongation. This paper focuses on the nucleation stage and develops mathematical models for HIV-1 viral capsid nucleation based on six-species dynamical systems. The Particle Swarm Optimization (PSO) algorithm is used for parameter fitting to estimate the association and(More)
AIM AND OBJECTIVE Protein malonylation is a newly discovered post-translational modification. Malonylation is known to closely be associated with type 2 diabetes and to play its regulatory role in fatty acid oxidation and the associated genetic disease. Identifying protein malonylations might lay a solid foundation to explore malonylation function. Due to(More)
RATIONALE Metastases of nonthyroid malignancies to the thyroid gland are rare, and only sporadic cases have been reported in literature. We present our experience in treating patients with metastases to the thyroid gland at Peking Union Medical College Hospital. PATIENT CONCERNS The clinical data of 32 patients who presented with secondary thyroid tumors(More)
Gag, as the major structural protein of HIV-1, is necessary for the assembly of the HIV-1 sphere shell. An in-depth understanding of its trafficking and polymerization is important for gaining further insights into the mechanisms of HIV-1 replication and the design of antiviral drugs. We developed a mathematical model to simulate two biophysical processes,(More)
Objective To summarize our experiences in the diagnosis and prognosis of different subtypes of primary thyroid lymphoma (PTL). Methods The clinical data of 27 PTL patients who were treated in our hospital from January 1998 to December 2014 were retrospectively analyzed. The pathological types of these patients included B cell lymphoma unclassifiable (BCLU)(More)
In this paper, based on studying the traditional constraint Voronoi diagram generation techniques, an optimized trapezium examining strip refinement algorithm for constraint Voronoi grid generation is presented .First, the initial isosceles trapezoid examining strip sets are settled according to the constraint condition, then by introducing several control(More)
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