introduction: in order to develop a radiolabeled calcitonin (ct) derivative for receptor imaging studies, ct was successively labeled with 67ga-gallium chloride. methods: the best results of the conjugation were obtained by the addition of 0.5 ml of a ct nasal pharmaceutical solution (1100 iu) to a glass tube pre-coated with dtpa-dianhydride (0.01 mg) at 25°c with continuous mild stirring for 3...

Crash-dynamics research has always concentrated significantly in the safety, survivability of passengers a car crash. To identify capability energy absorption crash box, thin-walled structure will be modeled and simulated by ABAQUS software. Investigate influence material, cross-sectional, thickness factors on capacity tube, using MCDM – Multi-Criteria Decision-Making to get best option testing...

Thin-walled structures like crash boxes may be used as energy absorption members in automotive chassis. There have been many studies addressing the behaviors of energy absorption members on frontal crash. These researches have attempted to predict the energy absorption and maximum impact load in shell structures. The energy absorption and maximum impact load depend on many parameters including ...

ZnS nanoparticles (NPs) doped with ‎Ag‎, ‎Cu‎, ‎and AgCu were synthesized using hydrothermal‎ ‎method in water solution‎. ‎The NPS are characterized by X-ray diffraction (XRD)‎, ‎energy-dispersive‎ ‎X-ray spectroscopy scanning (EDX)‎, ‎scanning electron‎ ‎microscopy (SEM) and dynamic light scattering (DLS)‎. ‎The produced NPs have approximately hexagonal structure and a cubic zinc blended struc...

The paper presents a new analytical model for thin structural adhesives in glued tube-to-tube butt joints. aim of this work is to provide an interface condition that allows suitable replacement the adhesive layer numerical simulations. proposed nonlinear and rate-dependent imperfect law able accurately describe brittle ductile stress–strain behaviors layers under combined tensile–torsion loads....

In this paper, we study biased diffusion of point Brownian particles in a three-dimensional comb-like structure formed by a main cylindrical tube with identical periodic cylindrical dead ends. It is assumed that the dead ends are thin cylinders whose radius is much smaller than both the radius of the main tube and the distance between neighboring dead ends. It is also assumed that in the main t...

In this paper the fabrication and electrical characterization of a silicon microreactor for high-temperature catalytic gas phase reactions, like Rh-catalyzed catalytic partial oxidation of methane into synthesis gas, is presented. The microreactor, realized with micromachining technologies, contains silicon nitride tubes that are suspended in a flow channel. These tubes contain metal thin films...

OBJECTIVE To evaluate the safety of nasogastric tube (NGT) removal and change to oral feeding with a food thickener for acute stroke patients in whom a videofluoroscopic swallow study (VFSS) confirmed thin liquid aspiration. METHODS We retrospectively examined data of 199 patients with first stroke who were diagnosed with dysphagia from 2011 to 2015. Swallowing function was evaluated using VF...

One mechanism for airway closure in the lung is surface-tension-driven instability of mucus layer which lines wall. We study an axisymmetric viscoplastic Bingham liquid coating interior a rigid tube, simple model that takes into account yield stress mucus. An evolution equation thickness derived using long-wave theory, from we also derive simpler thin-film equation. In case show two branches ma...

A quarter of the world's population experience wheezing. These sounds have been used for diagnosis since time Ebers Papyrus ( ca 1500 BC). We know that wheezing is a result oscillations airways make up lung. However, physical mechanisms onset remain poorly understood, and we do not quantitative model to predict when occurs. address these issues in this paper. lungs by modified Starling resistor...