نتایج جستجو برای: cytotoxicity tests
تعداد نتایج: 380773 فیلتر نتایج به سال:
Background: This study investigated the safety (cytotoxicity in vitro) and pharmacological effects (ocular hypotensive effects and aqueous humor concentrations in normotensive monkeys in vivo) of latanoprost formulations with benzalkonium chloride (latanoprost with BAK) and without BAK (NP). Methods: A bioequivalence study of latanoprost with BAK and NP was also conducted on human healthy volun...
Poly(N-isopropyl acrylamide) (pNIPAM) is one of the most popular stimulus-responsive polymers for research. It is especially of great interest in the field of tissue engineering. While it is known that the NIPAM monomer is toxic, there is little conclusive research on the cytotoxicity of the polymer. In this work, the relative biocompatibility of the NIPAM monomer, pNIPAM, and pNIPAM-coated sub...
Cyclodextrins, even the 6-membered α-cyclodextrin, are approved in the various pharmacopoeias as pharmaceutical excipients for solubilizing and stabilizing drugs as well as for controlling drug release. Recently α-cyclodextrin has also been marketed as health food with beneficial effects on blood lipid profiles. However, the concentration of α-cyclodextrin used may be very high in these cases, ...
This research collected 27 Lauraceae tree species in Taiwan, and the extracts prepared from leaves and branches were selected to evaluate and characterize their putative bioactivities and potential medicinal applications. Several bioactivity assays, including antifungal tests, antioxidant evaluation, anti-inflammation activity, and cytotoxicity were preformed in this study.The results showed no...
We investigated the roles of autoantibodies to different Ro60 epitopes in lymphopenia in systemic lupus erythematosus (SLE) and primary Sjögren's syndrome (pSS). We recruited 16 patients with SLE, 14 with pSS, and 10 healthy controls; all were female. Patients had active disease, had not received glucocorticoid or immunosuppressants for at least 3 months, and had positive laboratory tests for a...
OBJECTIVES The aim of this study was to evaluate the cytotoxicity, setting time and compressive strength of MTA and two novel tricalcium silicate-based endodontic materials, Bioaggregate (BA) and Biodentine (BD). MATERIALS AND METHODS Cytotoxicity was evaluated by using a 2,3-bis(2-methoxy-4-nitro-5-sulfophenyl)-5-((phenylamino)carbonyl)-2H-tetrazolium hydroxide (XTT) assay. Measurements of 9...
Corrosion phenomenon is the important factor in the field of biomaterial applications. The corrosion resistance of the metallic glasses was investigated by the cyclic voltammetry and a low-voltage potential state test of the cell membrane potential simulation in the simulation body fluid Hank’s solution in this paper. The potential Tiand Zr-based metallic glasses were screened rapidly to test t...
Background and Objective: Salmonella typhi as a human pathogen stimulates the human immune system and triggers gene expression changing its pathogenesis. Therefore, we aimed to investigate the expression levels of ifn-γ and tnf-α cytokines in human blood macrophage-like monocytes in dealing with clinical and standard samples of Salmonella typhi in vivo. Materials and Methods: In this cross-sec...
Objectives This study investigated the removal efficacy and cytotoxicity of a newly developed calcium hydroxide paste (cleaniCal, Maruchi) using N-2-methyl-pyrrolidone (NMP) as a vehicle in comparison with ApexCal (Ivoclar Vivadent) and Calcipex II (Nishika), which use different vehicles such as polyethylene glycol and propylene glycol, respectively. Materials and Methods Thirty maxillary pre...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
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