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Thursday, November 20, 2014
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HIV POC testing by ssDNA coupled with NALF
Natasha Gous, Lesley E. Scott, Alexio Capovilla, Natela Rekhviasvili, Wendy Stevens

A isothermal amplification termed Reverse Transcription Loop Dependant Amplification (RT-LDA) was developed with an affordable nucleic acid lateral flow detection (NALF) system, as one component of a potential POC HIV-1 RNA assay for subtypeC. RT-LDA makes use of a primer design that efficiently converts viral RNA into ssDNA amplicons, in 1 hour at 53ºC. Due to the single stranded nature of the product, the amplicon could be detected using NALF.

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Treatment of Plaque Infections and Periodontitis using Stem Cells- A New Prospect
Manoj Hariharan , Naveen Raj

Dental precursor cells are attractive for novel approaches to treat diseases like periodontitis, dental caries or to improve dental pulp healing and the regeneration of craniofacial bone and teeth. These cells are easily accessible and, in contrast to bone-marrow-derived mesenchymal stem cells, are more closely related to dental tissues. This paper gives a short overview of stem cells of dental origin.

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Evaluation of a Novel Approach for the Measurement of RNA Quality
Timothy Wilkes; Alison Devonshire; Carole Foy

The potential medical applications of microarrays have generated much interest, within the biomedical community. Numerous potential sources of variation have raised concerns regarding assay consistency and data quality. Previous studies have highlighted RNA integrity as having a major effect on data quality. We describe here a comparison of the performance characteristics of the Agilent (Bioanalyser) and Lab901 (Screen Tape System) platforms, and their capacity to determine sample RNA integrity.

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Evaluation of a Novel Approach for the Measurement of RNA Quality
Timothy Wilkes; Alison Devonshire; Carole Foy

The potential medical applications of microarrays have generated much interest, within the biomedical community. Numerous potential sources of variation have raised concerns regarding assay consistency and data quality. Previous studies have highlighted RNA integrity as having a major effect on data quality. We describe here a comparison of the performance characteristics of the Agilent (Bioanalyser) and Lab901 (Screen Tape System) platforms, and their capacity to determine sample RNA integrity.

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Microfluidic PCR device for diagnostic pathogen detection
Johannes R. Peham, Hannes Steiner, Walter Grienauer, Rudolf Heer, Michael J. Vellekoop, Christa Nöhammer, Herbert Wiesinger

In this work a microfluidic cyclic flow PCR device is presented, which is capable of replicating the bacterial genomic DNA sequence of the 16S ribosomal RNA. The standard laboratory processing time of 3 h could be decreased to 60 min with the microfluidic reactor without loosing PCR efficiency. Integrating an optical fluorescence detector for dsDNA measurement would evolve this device into a micro total analysis system.

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Point-of-care testing for prostate cancer diagnosis
Y. Uludag; I.E. Tothill

This presentation describes the potential of using a new fully automated QCM biosensor and a commercial SPR biosensor for the detection of PSA, a biomarker for prostate cancer. Initially a new buffer was formulated to eliminate 98% of the non-specific human serum protein binding to the sensors. Obtained results indicate that both instruments can be used for the fast and easy detection of PSA (0.29-150 ng/ml) in serum.

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Treatment of Plaque Infections and Periodontitis using Stem Cells- A New Prospect
Manoj Hariharan , Naveen Raj

Dental precursor cells are attractive for novel approaches to treat diseases like periodontitis, dental caries or to improve dental pulp healing and the regeneration of craniofacial bone and teeth. These cells are easily accessible and, in contrast to bone-marrow-derived mesenchymal stem cells, are more closely related to dental tissues. This paper gives a short overview of stem cells of dental origin.

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miRNAs in Treating Cardiomyopathy
Veenu Aishwarya

The study aims to design antigomirs against miRNAs involved in Cardiomyopathy. Potential miRNAs involved in the down regulation of certain important genes during this disorder have been identified. All reported miRNAs were scanned using an algorithm against these genes. At three step protocol was followed to take care of false positives and false negatives. Further, HL-1 cells (cardiomyocytes) are been transfected by anti-miRNAs for confirmation.

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Diagnostic Significance of microRNA Tumor Biomarkers in Fine Needle Aspirates (FNA) of Pancreatic Cancer
Martina Doleshal 1, Anna E. Szafranska 1, Hayward S. Edmunds 2, Gregory J. Tsongalis 2, Murray Korc 2 and Emmanuel Labourier 1

Collection of pancreatic fine needle aspirates (FNAs) in RNARetain™ allows stabilization and protection of RNA in tissues containing high levels of nucleases; Differential miRNA expression in pancreatic FNAs accurately classifies benign and malignant tissue; Combinations of miRNA and mRNA expression signatures improve the separation between normal tissue and chronic pancreatitis; microRNAs are suitable analytes for molecular characterization of fine needle aspirates from pancreatic tissues.

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Showing Results 31 - 40 of 58
Scientific News
New Test Developed at Dana-Farber/Brigham and Women's Cancer Center
Rapid Heme Panel - A high-tech genetic test that speeds treatment decisions for blood cancer patients.
Urgent Need for Fast Dx to Help Tackle Antibiotic Resistance
£10 million Longitude Prize for an accurate, rapid, cost-effective and easy-to-use point-of-need diagnostic test for bacterial infections.
Test Developed To Rapidly Diagnose Bloodstream Infection
New technology can detect bacterial invaders with unprecedented speed and sensitivity.
Classification of Gene Mutations in Neuroblastoma
Penn Medicine and CHOP experts define riskier mutations in neuroblastoma, setting stage for clinical trial.
New Genetic Cause of Epilepsy Identified
San Diego girl improves after discovery of DNA mutation tied to potassium regulation.
Cancer Cell Fingerprints in the Blood May Speed up Childhood Cancer Diagnosis
Researchers found unique molecular fingerprints for 11 types of children’s tumours, to develop blood tests to diagnose these cancers.
Blood Test Developed to Diagnose Early Onset Alzheimer’s Disease
New blood-test could predict a person’s risk of developing AD much earlier than is currently possible.
Genome Sequenced of Enterovirus D68
Virus has spread rapidly causing severe respiratory illness in young children, with some patients requiring hospitalization.
Rapid Test To Diagnose Severe Sepsis
A test could help doctors diagnose sepsis and begin treatment earlier.
IDT Shares Tips for Optimizing Target Capture
The article discusses improved target capture methods for increasing reliability of next generation sequencing data.
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