Topic
Liquid paraffin
About: Liquid paraffin is a research topic. Over the lifetime, 6185 publications have been published within this topic receiving 52956 citations.
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TL;DR: In this paper, a composite phase change material wallboard (CPCMW) was fabricated by PCMP, styrene acrylic emulsion and glass fibers under a plate-shape mold, and the properties including thermal property, internal microstructure and mechanical property have been characterized by differential scanning calorimeter(DSC), scanning electron microscope (SEM) and electronic universal testing machine.
57 citations
TL;DR: In this article, the effect of the presence of MWCNTs on the surface tension of paraffin-based fluid was examined, and the results showed that the effect that adhesion and cohesive forces had superior effects on surface tension.
57 citations
TL;DR: Oral administration of geraniol at a dose of 250 mg/kg bw not only completely prevented the formation of oral tumors but also prevented the deregulation in the expression of above mentioned molecular markers in hamsters treated with DMBA.
Abstract: Oral carcinogenesis, a multistep process with multifaceted etiology, arises due to accumulation of heterogeneous genetic changes in the genes involved in the basic cellular functions including cell division, differentiation, and cell death. These genetic changes in the affected cell progressively increase the cell proliferation, angiogenesis, and inhibition of apoptosis. The present study investigated the modulating effect of geraniol on the expression pattern of cell proliferative (PCNA, cyclin D1, c-fos), inflammatory (NF-κB, COX-2), apoptotic (p53, Bax, Bcl-2, caspase-3 and -9), and angiogenic (VEGF) markers in 7,12-dimethylbenz[a]anthracene (DMBA)-induced hamster buccal pouch carcinogenesis. Topical application of 0.5 % DMBA in liquid paraffin, three times a week, for 14 weeks, developed well-differentiated squamous cell carcinoma (SCC) in the buccal pouch of golden Syrian hamsters. All the hamsters treated with DMBA alone (100 %) developed oral tumors in the buccal pouch after 14 weeks. Over-expression of mutant p53, PCNA, Bcl-2, and VEGF accompanied by decreased expression of Bax were noticed in hamsters treated with DMBA alone. Increased expression of c-fos, COX-2, NF-κB, and cyclin D1 and decreased activities of caspase-3 and -9 were also noticed in hamsters treated with DMBA alone. Oral administration of geraniol at a dose of 250 mg/kg bw (body weight) not only completely prevented the formation of oral tumors but also prevented the deregulation in the expression of above mentioned molecular markers in hamsters treated with DMBA. The present results thus suggest that geraniol has potent anti-inflammatory, anti-angiogenic, anti-cell proliferative, and apoptosis-inducing properties in DMBA-induced hamster buccal pouch carcinogenesis.
57 citations
TL;DR: The present method differs from those used currently in that the need for a micro-hook to hold cells and the use of mineral oil (liquid paraffin) to prevent the evaporation of culture medium are eliminated.
Abstract: A SIMPLE method has been developed whereby micrurgy on living cells such as nuclear transplantation and cytoplasmic injection in amoebae can be performed with greater ease and rapidity. The present method differs from those used currently1–4 in that the need for a micro-hook to hold cells and the use of mineral oil (liquid paraffin) to prevent the evaporation of culture medium are eliminated. This is done by placing the cells on an agar surface. When the excess medium surrounding the cells is withdrawn, they remain firmly attached during operations. The agar gel apparently replaces the medium that evaporates, and there is no damage to the cells during the period required for micrurgy. Thus, for example, nuclei are transplanted between amoebae in open drops with a micro-probe alone.
57 citations
TL;DR: In this paper, a paraffin/expanded graphite phase-change composite for thermal storage was prepared and its thermal properties were studied using differential scanning thermal calorimetry.
56 citations