نتایج جستجو برای: trypan blue

تعداد نتایج: 71337  

Journal: :Brazilian oral research 2005
Daniel Araki Ribeiro Mariza Akemi Matsumoto Marco Antonio Húngaro Duarte Mariangela Esther Alencar Marques Daisy Maria Favero Salvadori

Recently, regular and white mineral trioxide aggregate (MTA) are being used in Dentistry as retrofilling materials. Genotoxicity and cytotoxicity tests form an important part of cancer research and risk assessment of potential carcinogens. Thus, the goal of this study was to examine the genotoxicity and cytotoxicity of regular and white MTA in vitro by the single cell gel (comet) assay and tryp...

Journal: :Lab on a chip 2013
Z G Li A Q Liu E Klaseboer J B Zhang C D Ohl

This paper demonstrates membrane poration of a single suspension cell due to a fast liquid microjet. The jet is formed during the collapse of a laser induced bubble created at a variable stand-off distance from the target cell. The cell is trapped by a converging structure within a microfluidic chip. The asymmetrical growth and collapse of the cavitation bubble next to the cell lead to the micr...

Journal: :CSH protocols 2008
Saskia van Wees

INTRODUCTIONTrypan blue stains vasculature, dead plant cells, and fungal and oomycete hyphae. It is useful for assessing the extent of colonization of tissue, and for detecting microlesions present in certain lesion-mimic mutants. Trypan blue staining requires chloral hydrate for destaining, which is inconvenient, because it is a controlled substance. The chloral hydrate can be replaced with 1:...

D.M. Chung, J.H. Kim, Jin Kyu Kim,

Background:  Cell viability is an important factor in radiation therapy and thus is a method to quantify the effect of the therapy. Materials and Methods: The viability of human hepatoma (HepG2) cells exposed to radiation was evaluated by both the MTT and Trypan blue assays. The cells were seeded on 96 well-plates at a density of 1 x 104 cells/well, incubated overnight, and irradiated with...

Journal: :Teratology 1968
A R Beaudoin

Pregnant Wistar Albino rats were injected intraperitoneally with the thyroid stimulating hormone (TSH), obtained from several different suppliers, and with the dye trypan blue. Twenty USP units of TSH were injected on days 7 to 10 of pregnancy, one quarter of the total dose each day. Trypan blue was injected as a single subteratogenic dose (0.6 mg/100 gm maternal body weight) on day 8. Autopsy ...

2003

Acid azo dyes, most of them naphtholdisulfonic acid derivatives, were given intraperitoneally to rats and their effect on "alkaline" ribonuclease activity was studied in total homogenates of kidney cortex and liver. Acid treatment was used to release bound enzyme activity. Several of the dyes, including trypan blue, increased RNase activity in both organs 3 days after administration of single d...

2003

Acid azo dyes, most of them naphtholdisulfonic acid derivatives, were given intraperitoneally to rats and their effect on "alkaline" ribonuclease activity was studied in total homogenates of kidney cortex and liver. Acid treatment was used to release bound enzyme activity. Several of the dyes, including trypan blue, increased RNase activity in both organs 3 days after administration of single d...

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