نتایج جستجو برای: paraffin
تعداد نتایج: 14474 فیلتر نتایج به سال:
The comparative in vitro skin permeability of diclofenac sodium through excised mouse skin from different common pharmaceutical vehicles like castor oil, olive oil, arachis oil, liquid paraffin, white soft paraffin melt, 3% sodium carboxymethyl cellulose (CMC) aqueous gel and isopropyl myristate (IPM), excluding other excipients was evaluated. Significantly (p < 0.05) higher flux of diclofenac ...
Microencapsulated paraffin wax/polyaniline was prepared using a simple in situ polymerization technique, and its performance characteristics were investigated. Weight losses of samples were determined by Thermal Gravimetry Analysis (TGA). The microencapsulated samples with 23% and 49% paraffin showed less decomposition after 330 °C than with higher percentage of paraffin. These samples were the...
BACKGROUND Self-made tissue punches can be effectively used to punch holes in blank recipient paraffin blocks and extract tissue cores from the donor paraffin blocks for the low-cost construction of tissue microarrays (TMAs). However, variable degrees of section distortion and loss of the tissue cores can occurs during cutting of the TMAs, posing technical problems for in-house manual construct...
This work describes the use of 3D printing technology to create individualized boluses for patients treated with electron beam therapy for skin lesions of the eye canthi. It aimed to demonstrate the effectiveness of 3D-printed over manually fabricated paraffin boluses. The study involved 11 patients for whom the construction of individual boluses were required. CT scans of the fabricated 3D-pri...
There is a large amount of tissue stored in brain collections and brain banks, but little is known about whether formalin-fixed tissues and paraffin blocks stored for years in brain banks are suitable for the retrospective genetic studies. The study was carried out in order to: (i) compare DNA preservation in frozen, formalin-fixed and paraffin-embedded tissues stored for different periods; (ii...
OBJECTIVES Occupational exposure to paraffin is an infrequent cause of lipoid pneumonia (LP) and related data are scare. We investigated the possible relationship between three rare cases of chronic LP and occupational exposure to paraffin aerosol in an iron foundry. METHODS The three cases of LP and their workplaces were investigated using data from field investigations, air monitoring, pulm...
A laboratory study of 68 Botta's pocket gophers (Thomomys bottae) was carried out to compare the preference for 20 different nontoxic baits and the preference and efficacy of 14 different toxic baits. All baits were designed to be more durable (i.e., longer lasting) than loose grain baits to increase the chance that one baiting might successfully control any new gopher invader that moved into a...
Paraffin phase change materials (PCMs) exhibit great potential in battery thermal management (BTM); nevertheless, their application has been hampered by the handicap of low conductivity, leakage, and volume expansion during transition. In this work, ternary composite PCMs formed paraffin, expanded graphite (EG), low-density polyethylene (LDPE) were developed for BTM. The structure properties ch...
Traditional systems for olefin/paraffin separation, like low-temperature distillation, are expensive and very energy consuming, and therefore, alternative separation methods are desired. Facilitated transport membranes are new tools for this separation to be substituted in large scale separation of olefin-paraffin mixtures. To design a membrane process for olefin-paraffin separation, equilibriu...
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