Denoising of Dynamic Magnetic Resonance Spectroscopic Imaging Using Low Rank Approximations in the Kinetic Domain

Accurate measurement of low metabolite concentrations produced by medically important enzymes is commonly obscured by noise during magnetic resonance imaging (MRI). Measuring the turnover rate of low-level metabolites can directly quantify the activity of enzymes of interest, including possible drug targets in cancer and other diseases. Noise can cause the in vivo signal to fall below the limit of detection. A variety of denoising methods have been proposed to enhance spectroscopic peaks, but still fall short for the detection of low-intensity signals.

Video Monitoring and Analysis System for Vivarium Cage Racks

This invention pertains to a system for continuous observation of rodents in home-cage environments with the specific aim to facilitate the quantification of activity levels and behavioral patterns for mice housed in a commercial ventilated cage rack.  The home-cage in-rack provides daytime and nighttime monitoring with the stability and consistency of a home cage environment.

Henipavirus Vaccine

Henipaviruses are RNA viruses containing two high consequence human pathogens: Nipah virus (NiV) and Hendra virus (HeV). Both NiV and HeV infection in humans can result in severe respiratory disease and/or severe neurological manifestations, with mortality rates as high as 80%. There are currently no FDA-approved vaccines or therapeutics, and both NiV and HeV are considered dangerous emerging human pathogens with pandemic potential.

Novel Antiviral—Griffithsin Derived from Algae—for Prophylaxis or Treatment of Rabies Infection

Rabies virus (RABV) infection leads to fatal encephalitis—inflammation of the brain—if left untreated. Millions of people survive RABV infection each year due to timely administration of post-exposure treatment, however, nearly 60,000 people die from rabies each year according to the World Health Organization. Obstacles to timely treatment for RABV infection include the high cost and burdensome storage requirements (i.e., refrigeration) of current post-exposure treatments (i.e., rabies immunoglobulin (RIG)).

Monoclonal Antibody that Detects a Subclass of Dog IgG—for Diagnostic and Research Applications

CDC and collaborating researchers have developed a new monoclonal antibody that recognizes canine IgG (likely IgG4 subclass). This anti-dog IgG reagent could be used to detect antibody reactions to a variety of antigens and has potential use in a wide variety of diagnostic or research applications.

Monoclonal Antibodies for Detection of Rabies Virus Antigen and Confirmatory Rabies Diagnosis

According to the World Health Organization (WHO), rabies causes greater than 59,000 deaths every year in over 150 countries as of 2017. A rapid and reliable diagnostic test for rabies is critical for prophylaxis considerations in humans bitten by animals as well as for basic surveillance and animal rabies control programs. The World Organization of Animal Health (OIE) and WHO Expert Committee on Rabies recently approved the direct rapid immunohistochemical test (DRIT) for rabies diagnostics.

Stable Human Cell Lines Expressing Flavivirus Virus-Like Particles (VLPs) for Vaccine, Biologics, and Diagnostic Development

Flaviviruses such as Zika virus, dengue virus, West Nile virus, yellow fever virus, and Japanese encephalitis virus cause widespread illness and death throughout the world. Typically, flaviviruses get transmitted through the bite of infected mosquitoes and ticks.

Zika Virus VLP (Virus-like Particle) Antigens for Vaccine Candidate and Diagnostic Development

Zika virus (ZIKV) is a flavivirus primarily transmitted by infected Aedes mosquitoes. Infection with ZIKV during pregnancy can affect the fetus causing microcephaly, neurological complications, and other birth defects. Adults are also at a heightened risk of developing Guillain-Barre syndrome and other neurological disorders. In response to the 2015-2016 Zika outbreak, CDC scientists developed a recombinant vaccine candidate as well as reagents and methods to detect ZIKV infection. The recombinant vaccine candidate utilizes adenovirus vector expressed viral envelope proteins.

Real-Time RT-PCR Detection of Rickettsia species -- PanR6/Total Nucleic Acid Assay with High Sensitivity and Specificity

Rickettsial infections are caused by bacteria from the Rickettsia genus which are often spread by biting ticks, fleas, mites or lice. Rickettsia can cause mild to severe illness and Rickettsia species can be found worldwide. Early stage, nonspecific symptoms of infections can make clinical diagnosis difficult. Rickettsial infection symptoms, if present, typically develop within 1 -2 weeks of exposure and include fever, headache, malaise, rash, nausea, and vomiting.

Monitoring Public Water Supply for a Variety of Pathogens

The simultaneous concentration and recovery of microbes in drinking water is important for responding to potential water-related events such as pathogen contamination or bioterrorism and could be a cost-effective technique for routine monitoring of drinking water quality. Scientists at the CDC have combined two techniques, ultrafiltration (UF) and insulator-based dielectrophoresis (iDEP) in series, to achieve significant concentration of microbes and pathogens for analysis.
Subscribe to Collaboration