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300 available technologies

Assay for Dopamine Neuron Viability Using C. Elegans

The loss of DA neurons is a major feature of Parkinson's disease and other neuro-generative disorders. Vanderbilt researchers have established an in vivo screen for DA neuron protective agents and genes using the nematode C. elegans. Using green fluorescent protein (GFP) expression in C. elegans DA neurons, researchers have established that the nematode is sensitive to the mammalian neurotoxins that target DA neurons in mammalian models, consistent with an environmentally triggered loss of DA neurons. They also demonstrate that agents that block the nematode DA transporter or genetic ablation of the DA transporters protect these DA neurons. Thus, researchers have established lines and conditions that can allow for the facile screening, in a high throughput format, for agents or genes that may protect DA neurons from exogenous or endogenous neurotoxin-induced cell death. The system should also be useful for identifying novel pathway controlling presynaptic DA neuron function with potential applications to Schizophrenia, ADHD and addiction, where altered DA signaling has been proposed.

New Insect Repellants Disrupt Olfactory Cues: A Strategy for Pest Protection

A multinational research team, led by Dr. L. J. Zwiebel of Vanderbilt University, has identified new compounds with potential as insect repellents. These compounds work by capitalizing on knowledge of how insect odorant receptors detect and respond to scents. Medicinal chemistry efforts have yielded a number of novel compounds that could short-circuit the insect olfactory system, essentially by over-stimulation, to effectively mask attractive odors. These compounds could be used to repel nuisance and disease-carrying insects away from humans and animals, as well as repel agricultural pests from crops or food storage facilities. Vanderbilt University is seeking commercial partners to develop the technology for agricultural uses.

Near-Infrared Dye with Large Stokes Shift for Simultaneous Multichannel in vivo Molecular Imaging

Fluorescent labels having near-infrared (NIR) emission wavelengths have the ability to penetrate tissue deeper than other emission wavelengths, providing enormous potential for non-invasive imaging applications. However, advancement of optical imaging (particularly NIR imaging) is hindered by the limitation of narrow Stokes shift of most infrared dyes currently available in the market. Vanderbilt researchers have developed a novel NIR dye (4-Sulfonir) for multichannel imaging that enables in vivo imaging of multiple targets due to its large Stokes shift. 4-Sulfonir with its unique large Stokes shift (~150 nm) and wide excitation spectrum could be used in parallel with other NIR dyes for imaging two molecular events simultaneously in one target.

Sterile blood culture collection kit for reducing blood culture contamination at healthcare institutions

Scientists at Vanderbilt have developed a sterile kit to collect blood cultures that results in substantially fewer contaminated cultures compared to the current standard of care for collecting culture specimens.

Flat-Cut Bit for Cranial Perforator

Inventors at Vanderbilt have developed a novel perforating drill bit for cranial surgery. Deep brain stimlation (DBS) has become a technique for the treatment of movement disorders, as well as obsessive compulsive disorders and epilespy. This cranial drill bit significantly improves the process of preparing the periphery around the cranial punch during electrode implantation, one of the critical steps during DBS surgery.

High Inertance Liquid Piston Engine-Compressor

Inventors at Vanderbilt University have developed a high inertance engine-compressor for use with pneumatically actuated devices, especially those with periods of inactivity between periods of pneumatic use. It utilizes a flexible diaphragm in combination with a liquid piston to achieve high inertance and other operational features such as high efficiency, low noise and low temperature operation.

NanoBioReactor for Monitoring Small Cell Populations

NanoBioreactors recreate the microenvironments of normal tissue, non-adherent cells, tumor-infected tissue and wounded tissue in vitro. These microfabricated bioreactors provide independent control of chemokine and growth factor gradients, shear forces, cellular perfusion and the permeability of physical barriers to cellular migration. This fine control allows detailed optical and electrochemical observations of normal, immune and cancerous cells during activation, division, cell migration, intravasation, extravasation and angiogenesis.

High Bandwidth, Hot Gas and Liquid, Rotary Proportional Valves

Inventors at Vanderbilt University have developed a high performance rotary servo valve to be used with hot/cold liquids and gases. This valve can be directly actuated by a rotary servo motor, eliminating the need for linear actuating devices. It exhibits a compact design that allows for increased control, precision, and efficiency.

Gratings on Porous Silicon Structures for Sensing Applications

In this technology diffraction-based sensors made from porous materials are used for the detection of small molecules. The porous nature of the diffraction gratings that gives rise to an extremely large active sensing area enables a very high level of sensitivity. Specificity is achieved by functionalizing the porous gratings with selective binding species.

Direct Imprinting of Porous Substrates

This easily adoptable technology consists of an inexpensive and reproducible method to imprint micron and sub-micron features into porous materials by pressing a reusable stamp directly into the porous material. This method of direct imprinting (DIP™) has the potential to enable an entirely new class of low-cost porous nanomaterial based devices.

Free Standing Nanocrystal Thin Films

Vanderbilt researchers have developed a process that creates free standing nanocrystalline thin films using a simple, robust and cost- efficient process. This paves the way for manufacturing conformal films of nanocrystals at a fraction of the cost as compared to techniques currently used. The process could be applied in the manufacture of a number of end products such as solar cells supercapacitors, magnetic storage, semiconductor devices and catalysis.

Synthetic Beam Chopper

A new system of signal modulation and lock-in amplification has been developed at Vanderbilt University. The invention serves as a low cost alternative to current mechanical beam choppers and lock-in amplifiers, with lower limits of detection, decreased need for mechanical precision, and improved accuracy.

Novel Target Regulating Angiogenesis

Vanderbilt scientists have discovered that the receptor tyrosine phosphatase DEP-1 plays a significant role in angiogenesis and that modulation of the DEP-1 receptor with certain agents can affect endothelial cell growth. The research team has developed antibodies that bind to the ectodomain of a mammalian transmembrane protein known as DEP-1 (for density enhanced protein) or CD148. CD148 (also named DEP-1/PTPn) is a receptor-like protein tyrosine phosphatase that is abundantly expressed in vascular endothelial cells, hematopoietic-cell lineages, duct epithelia of thyroid, mammary and gastrointestinal tissues.

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