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Alternative miRNA design for therapeutic RNAi applications
Anja van Brabant Smith, Barb Robertson, Annaleen Vermeulen, Christina Yamada, Angela Reynolds, Anastasia Khvorova, Devin Leake

For in vivo applications, the design of miRNA inhibitors and miRNA mimics must be optimized for stability and potency. However, stabilized miRNA mimic molecules can lose functionality compared to standard miRNA mimic molecules due, in part, to the activity of the stabilized passenger strand acting as a miRNA inhibitor. We discuss how mismatches affect the activity of the stabilized miRNA mimics, perhaps by generating a passenger strand that is less functional as an inhibitor molecule.

Integrating Fluorescent Carbon Nanodot Synthesis and Optical Detection of Methylmercury
Carlos Bendicho, Isabel Costas-Mora, Vanesa Romero, Isela Lavilla

In the last years, a great interest toward development of optical nanoprobes has arisen, so fluorescent nanomaterials have been implemented in analytical systems for the detection of several species. In this work, a novel assay that integrates the synthesis of fluorescent carbon dots (CDs) and sensing within one step, for the fast, sensitive and selective detection of methylmercury is presented.

Impact of Molecular Surface Charge on Electrical Impedance Spectroscopy Biosensing
Y. Ram, T. Yoetz-Kopelman, A. Freeman and Y. Shacham-Diamand

Molecular surface charge was found to be the dominant parameter when monitoring protein binding events by Electrical Impedance Spectroscopy with a charged redox couple. A biosensing device was fabricated, and a physical model was derived to explain the results.

Droplet-on-Demand Platform for Biochemical Screening & Drug Discovery
L.D. van Vliet1*, F. Gielen1, A. Sinha2, B.T. Koprowski3, J.B. Edel4, X.Niu5, A.J. deMello3, F. Hollfelder1, & J. Motschman2

To demonstrate droplet on demand applications towards study of biological entities encapsulated in nanoliter droplets. Interfacing a droplet on demand platform with microfluidic chips allows for merging and dilution of droplets. This feature is applied to encapsulate yeast cells (S. cerevisiae) and multicellular organisms (C. elegans).

Direct Targets Identification of a Bioactive Compound
Sylvain Blanc, Paul Bradley, Marie-Edith Gourdel, Michael Cholay, Gisèle Guimèse, Mike Mckenzie, George Nasi, Jean-Christophe and Barbara Ruggiero

Identifying protein partners of a small bioactive molecule is of great
interest in many aspects of life sciences and specifically in the drug
discovery and development process cycle. It is a support to (i) decipher
the mechanism of action after for example a “High Content” screening,
(ii) study “off-target” effects, (iii) adjust therapeutic indications and
clinical regimens of a drug and (iv) consider drug repositioning.

3D-Tissue/ Whole-blood Co-culture Models Combined with Multi-Analyte Profile (MAP) Analyses for In-vivo-like Immunopharmacology
Stein GM, Joos T, Schmolz M

Human Organotypic Test (HOT) Systems aim at in-vivo like substance characterisation of all preparations meant to act on the human immune system.

A multiplexed amplicon sequencing technology for FFPE and circulating, cell-free DNA
Laurie Kurihara, Catherine Couture, Julie Laliberte, Sukhinder Sandhu, Jonathan Irish, Tim Harkins and Vladimir Makarov

A novel amplicon approach allowing for hundreds of amplicons to be multiplexed in a single tube with a two workflow from sample to sequencer.

Phenotypic Screening Applied to the Anti-biofilm Drug Discovery: Identification of Anti-biofilm Flavonoids from a Chemical Library
Suvi Manner1*, Malena Skogman2, Pia Vuorela2, Adyary Fallarero2

This work represents a systematic exploration of a flavonoids collection for the inhibitory activity against Staphylococcus aureus biofilms and offers an improved methodological workflow for anti-biofilm screens of chemical libraries taking into account the connections between anti-biofilm and antibacterial properties.

EU-OPENSCREEN - The European Research Infrastructure of Open Screening Platforms for Chemical Biology
Bahne Stechmann

EU-OPENSCREEN (www.eu-openscreen.eu) is the largest emerging academic chemical biology research infrastructure initiative in Europe with the aim to collaboratively develop novel research tool compounds with external scientists. As a joint effort of national networks in 16 European countries, EU-OPENSCREEN offers access to high-throughput screening platforms, chemistry services, an open-access database, a large compound collection and an open-access database.

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Showing Results 11 - 20 of 300
Scientific News
New Autism-Causing Genetic Variant Identified
Novel approach expected to be useful for other diseases too.
Blood Test Could Help Bowel Cancer Patients Avoid Drug Side-Effects
Manchester researchers have provided early evidence to suggest that a blood test could be used to identify bowel cancer patients that may benefit from more intensive chemotherapy.
Link Between Genetic Variation And Alcohol Dependence
The discovery could help scientists develop more effective drugs to combat alcoholism.
Comparing The Genomes Of The Leprosy Bacteria
EPFL scientists have compared for the first time the genomes of the two bacteria species that cause leprosy. The study shows how the two species evolved from a common ancestor 13.9 million years ago, and offers new insights into their biology that could lead to new treatments.
Bright New Hope for Beating Deadly Hereditary Stomach and Breast Cancers
Researchers use genomic screening to search for vulnerabilities in the cancer cells.
Los Alamos Creates Bioinformatics Tool for Metagenome Analysis
‘GOTTCHA’ tool could aid ID of co-infections in medical samples.
Genetics Help Predict Heart Disease Risk, Statin Benefits
Researchers found that a set of genetic variants could identify people at risk for coronary heart disease and who would benefit most from statin therapy.
New Gene Influences Apple or Pear Shape, Risk of Future Disease
Duke researchers have discovered that a gene called Plexin D1 controls both where fat is stored and how fat cells are shaped.
New Test To Revolutionise Disease Detection In People, Crops And Stock
A single-drop DNA test invented by UQ scientists could revolutionise the detection of diseases in humans, livestock and crops.
New Cyclotron Facility at UT Southwestern
Expands research opportunities and imaging capabilities for detecting, tracking cancer.
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