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Navious

Manufactured by Beckman Coulter
Sourced in United States

The Navious is a high-performance liquid chromatography (HPLC) system designed for efficient separation, identification, and quantification of complex mixtures. It features advanced technology for precise and reliable analysis across a wide range of applications.

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7 protocols using navious

1

Cell Cycle Analysis by Flow Cytometry

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Daoy (2×105/well) and MEB-Med-8A (3×105 / well) cells respectively were plated in 6-well cell culture dishes. After 48h of treatment with the respective MKI the cells were exposed to 16 nM Hoechst 33342 and incubated for 45min at 37°C. Both floating and attached cells were harvested and analyzed by flow cytometry (Navious, Beckman Coulter). Dead cells were stained by Propidium Iodid (PI). After gating on live cells, single cells were gated using width and area parameters from Hoechst 33342. The area parameter histogram was used to determine the percentage of cells in G1, S and G2M phases.
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2

Lipofectamine RNAiMAX Transfection Efficiency

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Lipofectamine RNAiMAX (Invitrogen, USA) and four sequences of ITGA5 siRNAs (GeneSolution, Qiagen, Germany) were added to OPTIMEM-I (GIBCO, USA). AllStars Neg. siRNA AF488 served as control. Transfection efficiency was evaluated using flow cytometry (Navious, Beckman Coulter).
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3

Cell Cycle Analysis of 5-FU and CUDC-907 Treatment

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HCT116 cells were treated with dimethyl sulfoxide (DMSO) as control, 5-FU, CUDC-907, or combination of 5-FU and CUDC-907. On day 5, cell pellets were collected and washed with phosphate-buffered saline (PBS), and then were resuspended in 1 ml of FACS buffer (PBS/0.5% BSA), and then 3 ml of ice-cold 70% ethanol was added to fix the cells for 1 h on ice. Cell pellets were subsequently centrifuged, and re-suspended in 500 μL of PBS supplemented with 40 µg/mL RNAse A (Sigma) and 50 µg/mL propidium iodine (PI), before being analyzed using a Navious flow cytometer (Beckman Coulter, Miami, FL, USA). Staining was detected in the green fluorescence channel (FL1) and the data were analyzed by Kaluza software (Beckman Coulter).
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4

Medulloblastoma Cell Apoptosis Assay

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Medulloblastoma cells were stained with CFSE according to the supplier's instructions. Daoy (3×105/well), MEB-Med8A (5×105/well) D283 Med (5×105/well) and D341 Med (5×105/well) cells were seeded in 6-well cell culture dishes in complete medium. After overnight culture, the cells were treated with MKIs at concentrations corresponding to patient plasma levels for a 24h, 48h or 72h period. Thereafter floating and attached cells were collected and stained with 7-AAD and Annexin V-Antibody (Annexin V-PE Detection Kit I, BD Bioscience) and analysed by flow cytometry (Navious, Beckman Coulter). Proliferation was traced by CFSE staining and apoptosis was detected by combined 7AAD/Annexin V staining and calculated in percent of control.
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5

Beta-Galactose Glycan Analysis by FC

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Glycan pattern was analyzed by flow cytometer (FC) (Navious, Beckman Coulter) using ricinus communis agglutinin (RCA, 0.5 mg/mL, Vector, Burlingame, CA, USA) which binds beta (β)-galactose, as described in the Online Supplementary Methods.
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6

Cell Cycle Analysis of Daoy and MEB-Med-8A Cells

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Daoy (2 × 105/6 well) and MEB-Med-8A (3 × 105/well) cells respectively were plated in 6-well cell culture dishes. After 48 h of treatment with GDC-0941 the cells were exposed to 16 nM Hoechst 33342 and incubated for 45min at 37°C. Both floating and attached cells were harvested and analyzed by flow cytometry (Navious, Beckman Coulter). Dead cells were stained by propidium iodide. After gating on live cells, single cells were gated using width and area parameters from Hoechst 33342. The area parameter histogram was used to determine the percentage of cells in G1, S and G2M phases.
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7

Cell Cycle and Apoptosis Analysis

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Transfected cells were harvested , xed , stained and analyzed by ow cytometry (Navious, Beckman Coulter) for cell cycle pro le determination [21] . Apoptosis was measured by staining with 7AAD/APC. The results were analyzed using Flowjo software (CT, USA).
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