نتایج جستجو برای: cec
تعداد نتایج: 2291 فیلتر نتایج به سال:
and Yan (5) reported that they successfully separated high polarity explosives using CEC with nonporous C18-coated material and a mobile phase with a low concentration of organic modifier and SDS added to the mobile phase to increase the wettability of the particle surface. Zhang and colleagues (9) also reported that very polar compounds could be separated by mixed-packing CEC with a stationary...
BACKGROUND Neurons in the capsular part of the central nucleus of the amygdala (CeC), a region also called "nociceptive amygdala," receive nociceptive information from the dorsal horn via afferent pathways relayed from the lateral parabrachial nucleus (LPB). As the central amygdala is known to be involved in the acquisition and expression of emotion, this pathway is thought to play central role...
BACKGROUND Blood donors unaware of Trypanosoma cruzi infection may donate infectious blood. Risk factors and the presence of T. cruzi antibodies in at-risk Dutch blood donors were studied to assess whether specific blood safety measures are warranted in the Netherlands. METHODOLOGY Birth in a country endemic for Chagas disease (CEC), having a mother born in a CEC, or having resided for at lea...
Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have extensive self-renewal capacity and the potential to differentiate into all tissue-specific cell lineages, including corneal endothelial cells (CECs). They are a promising prospect for the future of regenerative medicine. The method of derivation of CECs from ESCs and iPSCs, however, remains to be elucidated. In this st...
BACKGROUND AND PURPOSE Diffusion and magnetization transfer (MT) techniques have been applied to the investigation with MR of epilepsy and have revealed changes in patients with or without abnormalities on MR imaging. We hypothesized that also in the coeliac disease (CD), epilepsy and cerebral calcifications (CEC) syndrome diffusion and MT techniques could reveal brain abnormalities undetected ...
PURPOSE Type I collagen is post-translationally regulated in corneal endothelial cells (CEC): CEC synthesize procollagen I and degrade it intracellularly. We investigated whether there is a Hsp47-independent pathway during intracellular trafficking of procollagen I. METHODS Specific inhibitors were used to block intracellular transport of procollagen I and Hsp47. Immunocytochemical analysis w...
The present study was undertaken to look for the effect of chloroethylclonidine (CEC) on prejunctional alpha-2 autoreceptors of the canine saphenous vein. The effect was tested on tritium overflow evoked by electrical stimulation from tissues preloaded with 0.2 mM H-norepinephrine. Yohimbine (3–300 nM) and CEC (1–125 mM) increased and UK-14,304 reduced the overflow of tritium evoked by 300 puls...
گنجایش تبادل کاتیونی (cec) از مهم ترین ویژگی های شیمیایی خاک است که کیفیت خاک ها را از جنبه های مختلف تحت تأثیر قرار می دهد. cec در برآورد پتانسیل خطر فلزات سنگین و برخی آلاینده های آلی کاتیونی نیز مؤثر است، و یکی از مهم ترین پارامتر های ورودی در بسیاری از مدل های کامپیوتری، از جمله مدل epic است. روش های آزمایشگاهی که در اندازه گیری این ویژگی به کار می روند معمولاً وقت گیر و مشکل اند. از این رو،...
To estimate the Cation Exchange Capacity (CEC), indirect manner used of Pedotransfer Functions (PTFs). CEC is one of the important soil fertility factors, and not measured directly because it is costly and time consuming. Thus, used from regression equations between easily and non-easily soil properties. The purpose of this research, is develop the PTFs for CEC, with use of easily available soi...
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