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whole dna array facility  (Febit Inc)

 
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    Febit Inc whole dna array facility
    Whole Dna Array Facility, supplied by Febit Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/cdna+microarray+facility/pm14582079-33-2-27?v=Febit+Inc
    Average 90 stars, based on 1 article reviews
    whole dna array facility - by Bioz Stars, 2026-07
    90/100 stars

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    cdna microarray facility  (AECOM International Development)
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    AECOM International Development cdna microarray facility
    Complementary-template reverse-transcription (CT-RT) of single-stranded DNA primers reverse-transcribed from FFPE-RNA. ( a ) RNA extracted from FFPE tissue is reverse-transcribed, the mRNA/DNA duplex is filtered on an YM-50 column and the DNA is single-stranded with RNase-H and column purified. The 5′-NB-Oligo-dA (24) -cT7-3′ (complementary to the T7 promoter) is annealed to the <t>FFPE-cDNA</t> primers. ( b ) Total RNA from universal human reference (UHR, Stratagene) is amplified using the Sense-Amp cRNA amplification kit from Genisphere to provide RNA with the same orientation as messenger RNA . ( c ) Single-stranded DNA primers are hybridized to their sense-RNA template between 70 and 42°C for 90 min. The hybridized products are reverse-transcribed by a process described as CT-RT. The restored FFPE-cDNAs are doubled stranded and transcribed in vitro using T7 polymerase. (See Supplementary Data for technical description of points 1 through 6.)
    Cdna Microarray Facility, supplied by AECOM International Development, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/cdna+microarray+facility/pmc01976468-129-11-19?v=AECOM+International+Development
    Average 90 stars, based on 1 article reviews
    cdna microarray facility - by Bioz Stars, 2026-07
    90/100 stars
    		  Buy from Supplier

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    Complementary-template reverse-transcription (CT-RT) of single-stranded DNA primers reverse-transcribed from FFPE-RNA. ( a ) RNA extracted from FFPE tissue is reverse-transcribed, the mRNA/DNA duplex is filtered on an YM-50 column and the DNA is single-stranded with RNase-H and column purified. The 5′-NB-Oligo-dA (24) -cT7-3′ (complementary to the T7 promoter) is annealed to the FFPE-cDNA primers. ( b ) Total RNA from universal human reference (UHR, Stratagene) is amplified using the Sense-Amp cRNA amplification kit from Genisphere to provide RNA with the same orientation as messenger RNA . ( c ) Single-stranded DNA primers are hybridized to their sense-RNA template between 70 and 42°C for 90 min. The hybridized products are reverse-transcribed by a process described as CT-RT. The restored FFPE-cDNAs are doubled stranded and transcribed in vitro using T7 polymerase. (See Supplementary Data for technical description of points 1 through 6.)

    Journal: Nucleic Acids Research

    Article Title: Molecular restoration of archived transcriptional profiles by complementary-template reverse-transcription (CT-RT)

    doi: 10.1093/nar/gkm510

    Figure Lengend Snippet: Complementary-template reverse-transcription (CT-RT) of single-stranded DNA primers reverse-transcribed from FFPE-RNA. ( a ) RNA extracted from FFPE tissue is reverse-transcribed, the mRNA/DNA duplex is filtered on an YM-50 column and the DNA is single-stranded with RNase-H and column purified. The 5′-NB-Oligo-dA (24) -cT7-3′ (complementary to the T7 promoter) is annealed to the FFPE-cDNA primers. ( b ) Total RNA from universal human reference (UHR, Stratagene) is amplified using the Sense-Amp cRNA amplification kit from Genisphere to provide RNA with the same orientation as messenger RNA . ( c ) Single-stranded DNA primers are hybridized to their sense-RNA template between 70 and 42°C for 90 min. The hybridized products are reverse-transcribed by a process described as CT-RT. The restored FFPE-cDNAs are doubled stranded and transcribed in vitro using T7 polymerase. (See Supplementary Data for technical description of points 1 through 6.)

    Article Snippet: Arrays used for the studies were designed and printed at the cDNA Microarray Facility, Albert Einstein College of Medicine (AECOM), Bronx, NY.

    Techniques: Reverse Transcription, Purification, Amplification, In Vitro

    Experimental procedure utilized for the analysis of 10-year-old matched frozen and formalin-fixed paraffin embedded breast cancer samples. ( a ) Five micrograms of RNA extracted from the 10-year-old frozen portion of the sample, is reverse-transcribed and the cDNA is double stranded (dsDNA), in four individual reactions. The dsDNA of three reactions undergoes IVT-amplification (MessageAmpII, Ambion), which gives rise to complementary RNA (cRNA) for cDNA microarray analyses. The dsDNA of one reaction is used for PCR experiments. ( b ) Five micrograms of RNA extracted from the 10-year-old FFPE portion of the sample underwent the exact same process. ( c ) Single-stranded DNA (ssDNA) obtained by RT of 5 μg of FFPE-RNA is purified and hybridized to the sense-RNA template library. The restored ssDNA is double stranded and purified. Three of the CT-RT reactions undergo IVT-amplification, while the dsDNA of one reaction is used for PCR experiments.

    Journal: Nucleic Acids Research

    Article Title: Molecular restoration of archived transcriptional profiles by complementary-template reverse-transcription (CT-RT)

    doi: 10.1093/nar/gkm510

    Figure Lengend Snippet: Experimental procedure utilized for the analysis of 10-year-old matched frozen and formalin-fixed paraffin embedded breast cancer samples. ( a ) Five micrograms of RNA extracted from the 10-year-old frozen portion of the sample, is reverse-transcribed and the cDNA is double stranded (dsDNA), in four individual reactions. The dsDNA of three reactions undergoes IVT-amplification (MessageAmpII, Ambion), which gives rise to complementary RNA (cRNA) for cDNA microarray analyses. The dsDNA of one reaction is used for PCR experiments. ( b ) Five micrograms of RNA extracted from the 10-year-old FFPE portion of the sample underwent the exact same process. ( c ) Single-stranded DNA (ssDNA) obtained by RT of 5 μg of FFPE-RNA is purified and hybridized to the sense-RNA template library. The restored ssDNA is double stranded and purified. Three of the CT-RT reactions undergo IVT-amplification, while the dsDNA of one reaction is used for PCR experiments.

    Article Snippet: Arrays used for the studies were designed and printed at the cDNA Microarray Facility, Albert Einstein College of Medicine (AECOM), Bronx, NY.

    Techniques: Formalin-fixed Paraffin-Embedded, Reverse Transcription, Amplification, Microarray, Purification

    Signal intensity and heat-map analysis of the correlation between the log 2 ratios measured by cDNA microarrays. ( a ) Signal intensity of one sample grid in the red channel (Cy5) across all microarrays. Top three panels display the grids obtained from three repeats using cRNA from 10-year-old frozen RNA (Frozen-Amp 1–3). Three mid-panels show the signal of three repeats using cRNA obtained by restoration and IVT-amplification of RNA from 10-year-old FFPE tissue (FFPE-Restored 1–3). Three bottom panels display the signal of three repeats using cRNA obtained by direct IVT-amplification of RNA from 10-year-old FFPE tissue. ( b ) Heat map displaying the log 2 of expression ratios ranging between 0.5 and 2 for 1044 genes detected in frozen tissue on a 28 032 features cDNA microarray and represented in the UHR library. From left to right are displayed the ratios obtained by IVT-amplification of RNA from 10-year-old frozen tissue (Frozen-Amp 1–3), restoration and IVT-amplification of RNA from 10-year-old FFPE tissue (FFPE-Restored 1–3) and direct IVT-amplification of RNA from 10-year-old FFPE tissue (FFPE-Amp 1–3). Each column represents an individual hybridization and each line a different feature. Red and blue represent up-regulated and down-regulated genes, respectively.

    Journal: Nucleic Acids Research

    Article Title: Molecular restoration of archived transcriptional profiles by complementary-template reverse-transcription (CT-RT)

    doi: 10.1093/nar/gkm510

    Figure Lengend Snippet: Signal intensity and heat-map analysis of the correlation between the log 2 ratios measured by cDNA microarrays. ( a ) Signal intensity of one sample grid in the red channel (Cy5) across all microarrays. Top three panels display the grids obtained from three repeats using cRNA from 10-year-old frozen RNA (Frozen-Amp 1–3). Three mid-panels show the signal of three repeats using cRNA obtained by restoration and IVT-amplification of RNA from 10-year-old FFPE tissue (FFPE-Restored 1–3). Three bottom panels display the signal of three repeats using cRNA obtained by direct IVT-amplification of RNA from 10-year-old FFPE tissue. ( b ) Heat map displaying the log 2 of expression ratios ranging between 0.5 and 2 for 1044 genes detected in frozen tissue on a 28 032 features cDNA microarray and represented in the UHR library. From left to right are displayed the ratios obtained by IVT-amplification of RNA from 10-year-old frozen tissue (Frozen-Amp 1–3), restoration and IVT-amplification of RNA from 10-year-old FFPE tissue (FFPE-Restored 1–3) and direct IVT-amplification of RNA from 10-year-old FFPE tissue (FFPE-Amp 1–3). Each column represents an individual hybridization and each line a different feature. Red and blue represent up-regulated and down-regulated genes, respectively.

    Article Snippet: Arrays used for the studies were designed and printed at the cDNA Microarray Facility, Albert Einstein College of Medicine (AECOM), Bronx, NY.

    Techniques: Amplification, Expressing, Microarray, Hybridization