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Fluidics station 450 system

Manufactured by Thermo Fisher Scientific
Sourced in United States

The Fluidics Station 450 system is a laboratory instrument designed for automated sample preparation and processing. It offers precise fluid handling capabilities to facilitate various applications in life science research and diagnostics. The system is capable of performing tasks such as hybridization, washing, and staining of samples with a high degree of accuracy and reproducibility.

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4 protocols using fluidics station 450 system

1

PBMC RNA Extraction and Microarray Analysis

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After PMBC isolation, 1 × 106 PBMCs were immediately lysed in 1 ml of TRIzol (Life Technologies, Carlsbad, CA, USA) and stored at −80°. The samples were thawed and RNA extracted following the manufacturer’s instructions. The quality of the RNA was assessed using a Nanodrop 2000 Spectrometer (Thermo Scientific, MA, USA) as well as by visualization of the integrity of the 28S and 18S bands on an Agilent Bioanalyzer 2100 instrument (Agilent Technologies, Santa Clara, CA, USA).
Qualified total RNA was further purified using an RNeasy micro kit (QIAGEN, GmBH, Germany). Contaminating genomic DNA was removed using an RNase-Free DNase Set (QIAGEN, GmBH, Germany). The purified RNA was stored at −80° C.
To obtain biotin-labeled cRNA, total RNA was amplified, labeled, and purified using the GeneChip 3’IVT Express Kit (Affymetrix, Santa Clara, CA, USA) following the manufacturer’s instructions. After hybridization on Human PrimeView Arrays for 16 h at 45°C and rotation at 60 rpm in a Hybridization Oven 640 (Affymetrix), slides were washed and stained with a Fluidics Station 450 system (Affymetrix). Scanning was performed on a seventh-generation GeneChip Scanner 3000 (Affymetrix). Affymetrix GCOS software was used to perform image analysis and generate raw intensity data.
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2

Microarray Analysis of Rat CMS Treatment

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The Affymetrix GeneChip Rat 230 2.0 (Affymetrix; Thermo Fisher Scientific, Inc.) was used for microarray analysis. Three rats were randomly selected from each CMS-treated group (0, 25, and 50 mg/kg). Microarray analysis was conducted according to the GeneChip® 3′ expression array user guide (Affymetrix; Thermo Fisher Scientific, Inc.). cDNA synthesis, cRNA synthesis, biotin labeling, cRNA purification and fragmentation were performed according to the manufacturer's protocols (Affymetrix; Thermo Fisher Scientific, Inc.). The microarrays were hybridized at 45°C at 60 rpm for 16 h. The microarrays were stained and washed using a Fluidics Station 450 system (Affymetrix; Thermo Fisher Scientific, Inc.). A GeneChip® Scanner 3000 (Affymetrix; Thermo Fisher Scientific, Inc.) was used to scan the microarrays. The reproducibility of the microarray experiments was confirmed using well-defined quality control criteria according to the manufacturer's protocol. The micro-array data was deposited into the Gene Expression Omnibus database (https://www.ncbi.nlm.nih.gov/geo/; no. GSE121792).
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3

Microarray Analysis of Dexamethasone-Treated BMSCs

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The total RNA from subconfluent nontreated BMSCs and BMSCs treated with DEX for 6 h at P5 was isolated and then treated with DNase1 for microarray analysis. Total RNA (1 μg) was amplified and labeled with Cy3 or Cy5 using the Ambion Amino Allyl MessageAmp II aRNA Amplification Kit (Life Technologies, Cat. Number 1753) according to the manufacturer's instructions. An Agilent Whole Human Genome Microarray 4 × 44 K (G4110F) was hybridized with 825 ng of amplified RNA at 65°C for 16 h and washed using a Fluidics Station 450 system (Affymetrix, Inc., Santa Clara, CA, USA). The microarray slides were scanned using a GenePix 4000B scanner from Axon Instruments (Union City, CA, USA), and each microarray image was first analyzed using GenePix Pro 6.1 image analysis software (Molecular Devices, LLC, Sunnyvale, CA, USA) to determine the Cy3 and Cy5 fluorescence intensity and background noise for all spots on the array. The microarray data were normalized to the median value, and log2 ratios were calculated versus the values for the nontreated groups of the corresponding donor sample (n = 9). Genes that were up- or downregulated by more than threefold relative to the median value for all donor samples were further classified according to their protein types using the SOSUI program (http://bp.nuap.nagoya-u.ac.jp/sosui/).
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4

Comparative Liver Transcriptome Analysis

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DNA microarray analysis was performed on liver samples from a total of six mice (three mice each from the 10C and 6C + 4CP groups) by choosing average individuals from each group on the basis of their food efficiency values. For each sample, double-stranded complementary DNA (cDNA) was synthesised from 100 ng of purified total RNA, and biotinylated cRNA was transcribed from the cDNA using a GeneChip ® 3' IVT Express Kit (Affymetrix). The cRNA were subsequently fragmented and hybridised to a GeneChip ® Mouse Genome 430 2.0 Array (Affymetrix) containing over 34 000 mouse genes. The arrays were washed and labelled with streptavidin-phycoerythrin using a GeneChip ® Hybridization, Wash and Stain Kit and Fluidics Station 450 system (Affymetrix). Fluorescence was detected using a GeneChip ® Scanner 3000 7G (Affymetrix). All experimental procedures were carried out according to the manufacturer's instructions. All microarray data were Minimum Information About a Microarray Experiment (MIAME) compliant, and were deposited in a MIAME-compliant databasethe National Center for Biotechnology Information Gene Expression Omnibus (http:// www.ncbi.nlm.nih.gov/geo/; GEO Series accession number GSE75171)as detailed on The Functional Genomics Data Society website (http://fged.org/projects/miame/).
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