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Illumina, Los Alamos National Security, Stanford University, University of Rochester, Fluidigm, Health Discovery

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Illumina has received US Patent No. 7,441,703, “Optical reader for diffraction grating-based encoded optical identification elements.” The patent claims an optical reader that includes: a) a reader capable of receiving an encoded substrate with one diffraction grating disposed on it; b) a grating that provides an output optical signal indicative of a code when illuminated by an incident input light signal propagating in free space; c) a source light providing input light signal incident at a location where substrates are located when loaded, where the source light includes an optical code signal and an optical fluorescence excitation signal; and d) a reader which reads the output optical signal and provides a code signal indicative of the code.
 

 
Los Alamos National Security of Los Alamos, NM, has received US Patent No. 7,442,403, “Membrane architectures for ion-channel switch-based electrochemical biosensors.” The patent describes a process of forming a bilayer lipid membrane structure by: a) depositing an organic layer having a defined surface area onto an electrically conductive substrate; b) removing portions of the organic layer; and c) depositing a bilayer lipid membrane over the defined voids and defined islands of organic layer whereby aqueous reservoirs are formed between the electrically conductive substrate and the bilayer lipid membrane.
 

 
Stanford University of Palo Alto, Calif., has received US Patent No. 7,442,499, “Substrates comprising polynucleotide microarrays.” The patent claims a method of determining the relative amounts of individual polynucleotides in a complex mixture of different-sequence polynucleotides. The polynucleotides, after fluorescent labeling, are contacted under hybridization conditions with an array of different DNA sequences disposed at discrete locations on a non-porous surface, at an array density of at least about 100 sequences per centimeter, where the different DNA sequences in the array are effective to hybridize to individual polynucleotides in the mixture. The level of fluorescence associated with each array sequence provides a measure of its relative amount in the mixture.
 

 
The University of Rochester of Rochester, NY, has received US Patent No. 7,442,510, “Method of identifying hairpin DNA probes by partial fold analysis.” The patent claims an isolated nucleic acid probe that includes: a) a hairpin DNA molecule that hybridizes over its full length to a target nucleic acid that has a naturally occurring sequence; b) a label tethered to one terminus of the hairpin DNA molecule; and c) a quenching agent tethered to the other terminus of the hairpin DNA molecule. The patent also describes a method of detecting a target nucleic acid molecule in a sample by: a) providing a sample that may contain a target nucleic acid molecule having a target nucleic acid sequence; b) introducing the isolated nucleic acid probe into the sample; and c) determining whether the label can be detected within the sample, where detection of the label indicates the presence of the target nucleic acid molecule in the sample.
 

 
Fluidigm of South San Francisco, Calif., has received US Patent No. 7,442,556, “Microfluidic-based electrospray source for analytical devices with a rotary fluid flow channel for sample preparation.” The patent claims a microfluidic device that includes a first elastic layer, a fluid flow channel within the elastic layer; and a means for providing a fluid sample from the fluid flow channel to an analytical device.
 

 
Health Discovery of Savannah, GA, has received US Patent No. 7,444,308, “Data mining platform for bioinformatics and other knowledge discovery.” The claimed data mining platform includes system modules. Each module has an input data component, a data analysis engine for processing the input data, an output data component for outputting the results of the data analysis, and a web server to access and monitor the other modules within the unit and to provide communication to other units. Each module processes a different type of data, for example, a first module processes microarray gene expression data, while a second module processes biomedical literature on the Internet for information supporting relationships between genes and diseases and gene functionality.

The Scan

NFTs for Genome Sharing

Nature News writes that non-fungible tokens could be a way for people to profit from sharing genomic data.

Wastewater Warning System

Time magazine writes that cities and college campuses are monitoring sewage for SARS-CoV-2, an approach officials hope lasts beyond COVID-19.

Networks to Boost Surveillance

Scientific American writes that new organizations and networks aim to improve the ability of developing countries to conduct SARS-CoV-2 genomic surveillance.

Genome Biology Papers on Gastric Cancer Epimutations, BUTTERFLY, GUNC Tool

In Genome Biology this week: recurrent epigenetic mutations in gastric cancer, correction tool for unique molecular identifier-based assays, and more.