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Wednesday, September 03, 2014
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Evaluation of microfluidic digital PCR for the detection of cancer biomarkers
Rebecca Sanders, Claire Bushell, Carole Foy, Daniel J. Scott

dPCR is achieved by sample partitioning prior to PCR amplification such that each reaction chamber contains one copy or less of target DNA. This dilution becomes the limiting factor and an accurate target molecule count is achievable. This study evaluates dPCR’s quantitative capabilities and investigates parameters influencing copy number quantification, using the Fluidigm Biomark instrument. Biomark technology combines dPCR theory with a microfluidics platform.

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Software for Genomic/Epigenomic Research
A.S.Tanas, V.V.Shkarupo, E.B.Kuznetsova, D.V.Zaletayev, V.V. Strelnikov

We present two computer programs: 1) AIMS in silico - a suggestion tool for Amplification of Intermethylated Sites experimental design and results analysis; and 2) PeakPick – a tool to view & analyse capillary electrophoregrams Our computer software is intended to standardize AIMS applications and to turn it into one of the principal approaches towards cancer methylomes studies as well as towards diagnostics in oncology, including early screening.

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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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Showing Results 21 - 30 of 50
Scientific News
Sequencing Identifies Gene Variant Responsible for Lupus
Research demonstrates it is feasible to identify the individual causes of lupus in patients by using DNA sequencing, allowing doctors to target specific treatments to individual patients.
Array Technology Could Screen for Emerging Viral Diseases
A microbe detection array technology could provide a new rapid method for public health authorities to conduct surveillance for emerging viral diseases.
Self-assembling Nanoparticle Could Improve MRI Scanning for Cancer Diagnosis
Scientists have designed the nanoparticle that targets tumours, to help doctors diagnose cancer earlier.
Researchers Invent Nanotech Microchip to Diagnose Type-1 Diabetes
The cheap, portable, microchip-based test could speed up diagnosis and enable studies of how the disease develops.
Significant Step Towards Blood Test for Alzheimer's
Scientists have identified a set of 10 proteins in the blood which can predict the onset of Alzheimer’s, marking a significant step towards developing a blood test for the disease.
Mass Spec Predicts Improved Response to Anti-HER2 Therapy in Breast Cancer
Immunohistochemistry is the standard technique for detecting HER2 protein expression, it does not provide absolute quantification of this receptor and is prone to false-positives.
New App Helps Patients Ensure Best Outcome from Surgery
MySurgery - New and innovative approach to reducing risk in surgery.
New Blood Test Identifies Risk of Sudden Cardiac Death
The test, PED MASTR, is already in use at the center of medical genetics of UZA/UAntwerp and will be launched worldwide from September 2014.
Hot Spots for Molecules
The accurate placement of molecules into gaps between gold nanoantennas enables ultra-high sensitivity molecular detection.
Ultra-Sensitive Nano-Chip for Early Cancer Detection
Device is able to detect very low concentrations of protein cancer markers, enabling diagnoses of the disease in its earliest stages.
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