Wisconsin Alumni Research Foundation

Technology

Poly(UG) Polymerase: A Useful New RNA Tool

Enzymes called ribonucleotidyl transferases (NTases) add nucleotides to the ends of RNAs. At present only a few such enzymes are known, such as poly(A) polymerases and poly(U) polymerases. The selecti...
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Marvin Wickens, Melanie Preston | P140268US02

Technology

Circulating Tumor Cell Assay Using Simple Blood Draw

Circulating tumor cells (CTCs) are cells shed from tumor deposits that flow into the bloodstream. They are detected at a frequency of about one CTC per one billion surrounding blood cells. The great h...
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David Beebe, Joshua Lang, Ben Casavant, Scott Berry, Lindsay Strotman | P130171US01

Technology

New Mass Spectrometry Detector Uses Optically Active Membrane

Mass spectrometers are analytical instruments that can precisely measure the mass of molecules to determine their composition and identity. Generally, the molecules are ionized and then accelerated by...
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Robert Blick, Jonathan Rodriguez, Hyunseok Kim, Zlatan Aksamija, Wolfgang Hansen, Christian Heyn | P140174US01

Technology

Nanopore Antennas for Ultrahigh Speed DNA Sequencing

‘Nanopore sequencing’ allows a single molecule such as DNA to be analyzed without conventional tools like chemical labels or costly optical instruments. In the process, DNA strands and a stream of...
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Robert Blick, Abhishek Bhat, Paul Gwozdz | P140109US01

Technology

Faster, Cheaper DNA Synthesis

Synthesizing DNA and genes is an important tool in biotechnology. It has become commonplace to synthesize short DNA chains, called oligonucleotides, on a substrate and use these as building blocks to ...
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Michael Sussman, Kathryn Richmond, Matt Rodesch | P04400US02

Technology

Synthesis of High-Density Oligomer Microarrays

To save time and costs, many alternatives to conventional DNA sequencing have been proposed. One approach utilizes an array of oligonucleotide probes (short nucleic acid chains) synthesized by photoli...
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Franco Cerrina, Viktoriya Golovkina | P05183US

Technology

New Disulfide-Bond Reducing Agent

Disulfide bonds between cysteine residues are the most common crosslinking agents in proteins. Reducing these bonds is an ordinary procedure in biochemistry and biotechnology. The most commonly used r...
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Ronald Raines, John Lukesh | P140284US01

Technology

Predicting Protein Hot Spot Residues

Most biological processes involve multiple proteins interacting with each other. While the principles governing protein-protein interactions are not fully understood, it is known that a small subset o...
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Julie Mitchell, Xiaolei Zhu, Steven Darnell | P140357US01

Technology

Improved Ref Nuclease for Site-Specific DNA Cleavage

Restriction enzymes are commonly used to cleave double-stranded DNA. These enzymes bind to specific sequences of DNA (the ‘restriction site’) and cleave the DNA either at the recognition site or a...
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Michael Cox, Angela Gruber, Tayla Olsen | P130114US02

Technology

New Protein Production Strategy for Plants

In animals, plants and other eukaryotic organisms, typically one protein is translated from each mRNA. Usually, translation can start only at one end of the mRNA strand. In contrast, several viruses ...
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Aurelie Rakotondrafara, Jincan Zhang | P140069US02

Technology

Gene Editing Tool Uses New Enzyme

Genome editing has proven difficult in cells, especially mammalian cells. One way to improve efficiency is to introduce a double-strand break (DSB) in the desired DNA region. These DSBs stimulate cell...
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James Thomson, Zhonggang Hou, Yan Zhang, Rakhi Rajan, Erik Sontheimer, Alfonso Mondragón | P130315US02

Technology

Hydrogel Arrays for Screening Cell-Substrate Interactions

While extensive research has been devoted to understanding the influence of medium conditions on cell development, researchers have only recently begun to understand the role of culture surface proper...
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William Murphy, Stefan Zorn, Ngoc Nhi Le, Michael Schwartz, Eric Nguyen | P140097US01

Technology

Protecting Groups for Boronic Acids

Boronic acids (i.e., compounds that have a single boron-carbon bond) are one of the most useful functional groups in organic chemistry and chemical biology. They have applications in polymer sciences,...
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Ronald Raines, Brett VanVeller, Matthew Aronoff | P130142US02

Technology

Wisconsin Miniature SwineTM for Biomedical Research

Rodents and other small animals are extensively used as models to study human health and disease, but there are increasing concerns about their relevance. Research funding and regulatory agencies are ...
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Jess Reed, Christian Krueger, Dhanansayan Shanmuganayagam, Thomas Crenshaw, Jamie Reichert, Joan Parrish | P130271US01

Technology

Wisconsin Miniature SwineTM for Cardiovascular Research

Rodents and other small animals are extensively used as models to study human health and disease, but there are increasing concerns about their relevance. Research funding and regulatory agencies are ...
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Jess Reed, Christian Krueger, Dhanansayan Shanmuganayagam, Thomas Crenshaw, Jamie Reichert, Joan Parrish | P140228US01

Technology

Mouse Model for Mania

Presently, there are no good rodent models for mania, which is a critical component of bipolar disorder. The most commonly used approach is to inject normal mice with amphetamines to produce hyperacti...
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Stephen Gammie | P100188US01

WARF