نتایج جستجو برای: formalin
تعداد نتایج: 12314 فیلتر نتایج به سال:
Effect of formalin fixation on thermal conductivity of the biological tissues is presented. A self-heated thermistor probe was used to measure the tissue thermal conductivity. The thermal conductivity of porcine aorta, fat, heart, and liver was measured before the formalin fixation and then 1 day, 4 days, and 11 days after formalin fixation. The results indicate that the formalin fixation does ...
BACKGROUND Intraplantar administration of complete Freund's adjuvant (CFA) and formalin are two noxious stimuli commonly used to produce sustained pain-related behaviors in rodents for research on neurobiology and treatment of pain. One clinically relevant manifestation of pain is depression of behavior and mood. This study compared effects of intraplantar CFA and formalin on depression of posi...
A 68-year-oldwomanwith diabetesmellitus and end-stage renal disease developed recurring hematochezia after an endoscopic diathermy for diffuse angiodysplasia of the proximal colon. During the second colonoscopy, 100mL of 1% formalin was flushed through to ablate the angiodysplasia. After 2 days, the patient had another episode of hematochezia and was referred to our hospital. She was afebrile a...
introduction: although formalin-induced activity in primary afferent fibers and spinal dorsal horn is well described, the midbrain neural basis underlying each phase of behavior in formalin test has not been clarified. the present study was designed to investigate the nucleus cuneiformis (cnf) neuronal responses during two phases after subcutaneous injection of formalin into the hind paw...
Formalin fixation is a mainstay of modern histopathologic analysis, yet the practice is poorly standardized and a significant potential source of preanalytical errors. Concerns of workflow and turnaround time drive interest in developing shorter fixation protocols, but rapid protocols can lead to poor histomorphology or inadequate downstream assay results. Additionally, assays such as immunohis...
Background Transient receptor potential ankyrin 1 (TRPA1) is a non-selective cation channel expressed by a subset of nociceptive neurons that acts as a multimodal receptor. Its activity contributes to modulate nociceptive transmission in acute inflammatory pain. However, the role of this channel in chronic pain has been less studied. The purpose of this study was to investigate the local periph...
INTRODUCTION The quest for formalin substitutes has long been going on due to its health hazards. Honey has been proven as a safe alternative to formalin. However, we explored more economical, eco-friendly & readily available substances like sugar & jaggery as natural substitutes for formalin. The aim of this study was to compare the tissue fixation abilities of honey, sugar syrup & jaggery syr...
OBJECTIVE The levels of corticosterone and noradrenalin as the two nociception modulators modify after stress condition. The propose of current study was to investigate the effect of chrysin on formalin-induced nociceptive behaviors and serum levels of corticosterone and noradrenalin in rats. MATERIALS AND METHODS Pain was induced by applying 20 μL of 5% formalin in distilled water in the sub...
Previous ex vivo diffusion tensor imaging (DTI) studies on formalin-fixed myocardial tissue assumed that, after some initial changes in the first 48 hr since the start of fixation, DTI parameters remain stable over time. Prolonged preservation of cardiac tissue in formalin prior to imaging has been seen many times in the DTI literature as it is considered orderly. Our objective is to define the...
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