Bioprinted veins reveal new drug diffusion details

Artificially constructed human tissues and organs have been developed with a number of different purposes in mind, from advanced robotics and novel materials to drug screening. The precision demanded by drug screening applications ...

What's a knot—and what's not—in genomic mapping

While DNA sequencing provides precise, nucleotide-by-nucleotide genomic information, genome mapping provides a bigger-picture perspective of sequenced DNA that can provide valuable structural information. Like mapping roads ...

Detection system reads biomolecules in barcoded microgels

Single-stranded, noncoding micro-ribonucleic acids (microRNAs), consisting of 18-23 nucleotides, play a key role in regulating gene expression. Levels of microRNAs circulating within blood can be correlated to different states ...

On-the-go diagnosis of HIV and HCV co-infections

HIV and hepatitis C virus (HCV) infections are among the leading causes of death worldwide, and an estimated one-third of people with HIV/AIDS are co-infected with HCV. This makes them more likely to suffer worse outcomes ...

Improving accuracy in genomic mapping with time-series data

If you already have the sequenced map of an organism's genome but want to look for structural oddities in a sample, you can check the genomic barcode—a series of distances between known, targeted sites—by cutting a DNA ...

Device may detect urinary tract infections faster

Urinary tract infections can quickly move from being a merely miserable experience to a life-threatening condition. Untreated cases may trigger sepsis, which occurs when the immune system, in an attempt to fight off the infection, ...

Better views of slimy substances

Scientists can now see biofilms, structured communities of microbes, in 3D and real time thanks to a laboratory instrument developed at Pacific Northwest National Laboratory. The instrument-a microfluidic reactor called System ...

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