BioGenomics™ Tissue cDNA: cDNA is supplied as First Strand, Multiple Tissue Panels, and Matched Pairs. PCR-ready First Strand cDNA is tissue specific and are ready-to-use for gene discovery or expression analysis. Over 350 cDNAs from human adult and fetal normal tissues, human diseased and tumor tissues, rat, mouse, monkey and plant tissues are included in this extensive collection.||PCR Ready First Strand cDNAs is an excellent source of tissue specific, PCR-ready cDNA, and it can be immediately used for gene discovery or expression analysis. First-Strand cDNA is synthesized from RNA isolated from a wide variety of documented human adult and fetal normal tissues, human diseased and tumor tissues, mouse, rat, monkey, plant and other tissues. Total RNA used for cDNA synthesis is isolated by modified guanidine thiocyanate techniques. 11ug total RNA was primed by an oligo dT primer and reverse transcribed by MMLV reverse transcriptase in 40ul final volume. RT Reaction stopped by heating at 65°C for 10 minutes. ||1ul cDNA is good for one PCR reaction. The 5' end of human clathrin cDNA (a 6kb gene) has been amplified by PCR from all of the cDNAs. ||Features:|Ready to use for PCR |Oligo dT primer used to ensure the entire 3' end of cDNA is present |With some cDNA used as templates, 12kb PCR amplicon was obtained to ensure the intactness of cDNA |The largest selection of cDNAs from different tissues on the market |Documentation of tissues' clinical histories available (additional cost)||Applications:|Immediate PCR Amplification of known genes |Verification of genetic mutation |Comparison of a specific gene between different tissues |Analysis of mRNA alternative splicing |Gene cloning and target sequencing ||Quality Control:|1. The integrity of the RNA used for cDNA synthesis is examined by visual inspection for the presence of intact bands of 18s and 28s ribosomal RNA when electrophoresed on a denaturing agarose gel. The quality and purity of total RNA were tested by spectrophotometer. A260/280 is between 1.8 and 2.0 (detected in 10mM Tris-Cl, pH 7.5). The ratio of 28S/18S is ≥ 1.|2. The RNA used for cDNA synthesis is treated by DNase I, and is tested as DNA free RNA by PCR.|3. The synthesized human, animal, and cell line cDNA was 5’ selected to ensure its full length. The cDNA was used as template for PCR amplification of β-actin gene and an 838 bp β-actin band was visualized on 1% agarose gel. β-actin control primer is included. It is enough for 10 PCR reactions.|4. The synthesized plant cDNA was used as template for PCR amplification of chloroplast gene. A 458 bp chloroplast band was visualized on 1% agarose gel. Chloroplast control primer is included. It is enough for 10 PCR reactions.||Storage and Stability:|Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Aliquots are stable for at least 6 months.

USBIo全称United States BIOLOGical，位于麻省斯万普斯科特(Swampscott, MA)。全美**的抗原抗体和生化试剂供应商，目前向全球六十余个国家的科研工作者提供约50,000种抗体、抗原和生化试剂，以质量**闻名。主要产品种类包括：抗体、生化试剂、基因克隆相关产品、培养基、生长因子等细胞因子、分子生物学试剂。美国US Biological公司是生物化学和生物学试剂的专业生产商，产品服务于免疫学，分子生物学，分子遗传学，体外诊断，组织培养等科研领域。产品精确度高，质量稳定，产品数量巨大，提供70,000多种抗体、抗原和生化试剂等。

Usbio的生物化学品，抗体，重组蛋白，细胞培养基和分子生物学试剂盒几乎用于所有科学应用和环境，包括基因组研究，生物技术，药物开发和疾病诊断。USBio产品从经济实惠的研究数量到更大的批量可用于工艺开发和生产。我们的客户包括位于美国和国外的大多数*的制药和生物技术公司。

USbiological公司致力于以价值，诚信和真正的个人购买体验降低研究成本。USbiological的生物化学，抗体，重组蛋白，细胞培养基和分子生物学试剂盒几乎用于所有科学应用和环境，包括基因组研究，生物技术，药物开发和疾病诊断。产品可以从负担得起的研究数量到大批量用于工艺开发和生产。

USBio（UnitedStatesBiological，或简称USBiological）位于麻省斯万普斯科特(Swampscott,MA)。作为全美最大的抗原抗体和生化试剂供应商，USBiological目前向全球六十余个国家的科研工作者提供约150,000种抗体、抗原和生化试剂，以质量卓越闻名。主要产品种类包括：抗体、生化试剂、基因克隆相关产品、培养基、生长因子等细胞因子、分子生物学试剂。美国USBiological的产品服务于免疫学，分子生物学，分子遗传学，体外诊断，组织培养等科研领域。USBiological一直恪守“为您的研究减少成本”原则，提供高纯度、高品质的产品，并在大多数生化试剂、生物与培养基产品线上保持最高的性价比。USBiological的产品被广泛用于各种科学研究领域，包括基因组研究、生物技术、药物研发和疾病诊断等。USBiological的产品从小型科研级到生物制品大规模级规格均有提供。众多全球顶ji的生物制药和生物技术公司都在使用USBiological的高品质产品。

usbio的生化试剂，抗体，重组蛋白，细胞培养基和分子生物学试剂盒几乎用于所有科学应用和环境，包括基因组研究，生物技术，药物开发和疾病诊断。

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