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| Donald C. Cooper. |
| Mobile Platform Informatics (MPI) and Smartphone Informatics (SPI) methods like Mobile Image Ratiometry (MIR) are potentially transformative point-of-use instantaneous analysis tools that are useful across a variety of industries. In agriculture, MIR-compatible immuno test strips allow early detection of a number of biotic stressors before devastating crop losses occur. Here we describe a low-cost and easy-to-use Smartphone and/or tablet-based protocol (Mobile Assay Inc., www.mobileassay.com) for the detection and on-sight instantaneous analysis of B. cinerea, a fungus that causes significant damage to a variety of plants and flowers. Early detection and tracking of the B. cinerea fungus before the visible gray mold appears has the potential to increase... |
| Tipo: Manuscript |
Palavras-chave: Biotechnology; Ecology; Earth & Environment; Plant Biology. |
| Ano: 2012 |
URL: http://precedings.nature.com/documents/6989/version/1 |
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| Donald C. Cooper. |
| “A disruptive innovation is an innovation that helps create a new market and value network, and eventually goes on to disrupt an existing market and value network (over a few years or decades), displacing an earlier technology. The term is used in business and technology literature to describe innovations that improve a product or service in ways that the market does not expect.” -Wikipedia
On April 3rd, 2012 Nature Precedings, Nature Publishing Group’s experiment in free pre-print publishing was shut down and no longer accepts submissions. According to the Nature Precedings website it was created in 2007 as “a place for researchers to share documents, including presentations, posters, white... |
| Tipo: Manuscript |
Palavras-chave: Biotechnology; Neuroscience; Bioinformatics. |
| Ano: 2012 |
URL: http://precedings.nature.com/documents/7151/version/1 |
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| Peter Dobelis; Andrew L. Varnell; Kevin J. Staley; Donald C. Cooper. |
| The  tryptophan  metabolite,  kynurenic  acid (KYNA),  is  classically  known  to  be  an antagonist  of ionotropic glutamate receptors. Within the last decade several reports have been published suggesting that KYNA also blocks nicotinic acetylcholine receptors (nAChRs) containing the α7 subunit (α7*). Most of these reports involve either indirect measurements of KYNA effects on α7 nAChR function, or are reports of KYNA effects in complicated in vivo systems.  However, a recent report investigating KYNA interactions with α7 nAChRs failed to detect an interaction using direct measurements of... |
| Tipo: Manuscript |
Palavras-chave: Neuroscience; Pharmacology. |
| Ano: 2011 |
URL: http://precedings.nature.com/documents/6277/version/1 |
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| Donald C. Cooper; Bryan Callahan; Phil Callahan; Lee Burnett. |
| Here we describe Mobile Image Ratiometry (MIR), a new method for the automated quantification of standardized rapid immunoassay strips using consumer-based mobile smartphone and tablet cameras. To demonstrate MIR we developed a standardized method using rapid immunotest strips directed against cocaine (COC) and its major metabolite, benzoylecgonine (BE). We performed image analysis of three brands of commercially available dye-conjugated anti-COC/BE antibody test strips in response to three different series of cocaine concentrations ranging from 0.1 to 300 ng/ml and BE concentrations ranging from 0.003 to 0.1 ng/ml. These data were then used to create standard curves to allow quantification of COC/BE in biological samples. MIR quantification of COC and BE... |
| Tipo: Manuscript |
Palavras-chave: Biotechnology; Neuroscience; Pharmacology; Bioinformatics. |
| Ano: 2012 |
URL: http://precedings.nature.com/documents/6827/version/1 |
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| Juan A. Varela; Jungang Wang; Andrew L. Varnell; Donald C. Cooper. |
| Behavioral control over stressful stimuli induces resilience to future conditions when control is lacking. The medial prefrontal cortex(mPFC) is a critically important brain region required for plasticity of stress resilience. We found that control over stress induces plasticity of the intrinsic voltage-gated conductances of pyramidal neurons in the PFC. To gain insight into the underlying biophysical mechanisms of this plasticity we used the conductance- based neural simulation software tool, NEURON, to model the increase in membrane excitability associated with resilience to stress. A ball and stick multicompartment conductance-based model was used to realistically fit passive and active data traces from prototypical pyramidal neurons in neurons in rats... |
| Tipo: Manuscript |
Palavras-chave: Neuroscience. |
| Ano: 2011 |
URL: http://precedings.nature.com/documents/6267/version/1 |
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| Kurt R. Illig; Andrew L. Varnell; Eric M. Ostertag; William D. Klipec; Donald C. Cooper. |
| The nonselective cation channel TRPC4 has been shown to be present in high abundance in the corticolimbic regions of the brain and play a pivotal role in modulating cellular excitability due to their involvement in intracellular Ca^2+^ regulation. Recently we reported their involvement in socialization and regulating anxiety-like behaviors in rats. Given the important role for dopamine in modulating emotions involved in social anxiety we investigated whether TRPC4 protein and mRNA was found on dopaminergic neurons of the ventral tegmental area (VTA). Using emulsion autoradiography we found that TRPC4 mRNA is indeed present in the VTA and the substantia nigra. Additionally, immunohistochemistry verified it’s presence on a subpopulation of... |
| Tipo: Manuscript |
Palavras-chave: Genetics & Genomics; Neuroscience; Pharmacology. |
| Ano: 2011 |
URL: http://precedings.nature.com/documents/6577/version/1 |
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