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We live in a world energized by technological advances, from that new app on your smartphone to drones and self-driving cars. As you can see from this video, NIH-supported researchers are also major contributors, developing a wide range of amazing biomedical technologies that offer tremendous potential to improve our health.

Produced by the NIH’s National Institute of Biomedical Imaging and Bioengineering (NIBIB), this video starts by showcasing some cool fluorescent markers that are custom-designed to light up specific cells in the body. This technology is already helping surgeons see and remove tumor cells with greater precision in people with head and neck cancer [1]. Further down the road, it might also be used to light up nerves, which can be very difficult to see—and spare—during operations for cancer and other conditions.

Other great things to come include:

  • A wearable tattoo that detects alcohol levels in perspiration and wirelessly transmits the information to a smartphone.
  • Flexible coils that produce high quality images during magnetic resonance imaging (MRI) [2-3]. In the future, these individualized, screen-printed coils may improve the comfort and decrease the scan times of people undergoing MRI, especially infants and small children.
  • A time-release capsule filled with a star-shaped polymer containing the anti-malarial drug ivermectin. The capsule slowly dissolves in the stomach over two weeks, with the goal of reducing the need for daily doses of ivermectin to prevent malaria infections in at-risk people [4].
  • A new radiotracer to detect prostate cancer that has spread to other parts of the body. Early clinical trial results show the radiotracer, made up of carrier molecules bonded tightly to a radioactive atom, appears to be safe and effective [5].
  • A new supercooling technique that promises to extend the time that organs donated for transplantation can remain viable outside the body [6-7]. For example, current technology can preserve donated livers outside the body for just 24 hours. In animal studies, this new technique quadruples that storage time to up to four days.
  • A wearable skin patch with dissolvable microneedles capable of effectively delivering an influenza vaccine. This painless technology, which has produced promising early results in humans, may offer a simple, affordable alternative to needle-and-syringe immunization [8].

If you like what you see here, be sure to check out this previous NIH video that shows six more awesome biomedical technologies that your tax dollars are helping to create. So, let me extend a big thanks to you from those of us at NIH—and from all Americans who care about the future of their health—for your strong, continued support!


[1] Image-guided surgery in cancer: A strategy to reduce incidence of positive surgical margins. Wiley Interdiscip Rev Syst Biol Med. 2018 Feb 23.

[2] Screen-printed flexible MRI receive coils. Corea JR, Flynn AM, Lechêne B, Scott G, Reed GD, Shin PJ, Lustig M, Arias AC. Nat Commun. 2016 Mar 10;7:10839.

[3] Printed Receive Coils with High Acoustic Transparency for Magnetic Resonance Guided Focused Ultrasound. Corea J, Ye P, Seo D, Butts-Pauly K, Arias AC, Lustig M. Sci Rep. 2018 Feb 21;8(1):3392.

[4] Oral, ultra-long-lasting drug delivery: Application toward malaria elimination goals. Bellinger AM, Jafari M1, Grant TM, Zhang S, Slater HC, Wenger EA, Mo S, Lee YL, Mazdiyasni H, Kogan L, Barman R, Cleveland C, Booth L, Bensel T, Minahan D, Hurowitz HM, Tai T, Daily J, Nikolic B, Wood L, Eckhoff PA, Langer R, Traverso G. Sci Transl Med. 2016 Nov 16;8(365):365ra157.

[5] Clinical Translation of a Dual Integrin avb3– and Gastrin-Releasing Peptide Receptor–Targeting PET Radiotracer, 68Ga-BBN-RGD. Zhang J, Niu G, Lang L, Li F, Fan X, Yan X, Yao S, Yan W, Huo L, Chen L, Li Z, Zhu Z, Chen X. J Nucl Med. 2017 Feb;58(2):228-234.

[6] Supercooling enables long-term transplantation survival following 4 days of liver preservation. Berendsen TA, Bruinsma BG, Puts CF, Saeidi N, Usta OB, Uygun BE, Izamis ML, Toner M, Yarmush ML, Uygun K. Nat Med. 2014 Jul;20(7):790-793.

[7] The promise of organ and tissue preservation to transform medicine. Giwa S, Lewis JK, Alvarez L, Langer R, Roth AE, et a. Nat Biotechnol. 2017 Jun 7;35(6):530-542.

[8] The safety, immunogenicity, and acceptability of inactivated influenza vaccine delivered by microneedle patch (TIV-MNP 2015): a randomised, partly blinded, placebo-controlled, phase 1 trial. Rouphael NG, Paine M, Mosley R, Henry S, McAllister DV, Kalluri H, Pewin W, Frew PM, Yu T, Thornburg NJ, Kabbani S, Lai L, Vassilieva EV, Skountzou I, Compans RW, Mulligan MJ, Prausnitz MR; TIV-MNP 2015 Study Group.


National Institute of Biomedical Imaging and Bioengineering (NIH)

Center for Wearable Sensors (University of California, San Diego)

Hyperpolarized MRI Technology Resource Center (University of California, San Francisco)

Center for Engineering in Medicine (Massachusetts General Hospital, Boston)

Center for Drug Design, Development and Delivery (Georgia Tech University, Atlanta)

NIH Support: National Institute of Biomedical Imaging and Bioengineering; National Institute of Diabetes and Digestive and Kidney Diseases; National Institute of Allergy and Infectious Diseases

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Red blood cell infected with malaria-causing parasites

Caption: Colorized scanning electron micrograph of a blood cell infected with malaria parasites (blue with dots) surrounded by uninfected cells (red).
Credit: National Institute of Allergy and Infectious Diseases, NIH

As a volunteer physician in a small hospital in Nigeria 30 years ago, I was bitten by lots of mosquitoes and soon came down with headache, chills, fever, and muscle aches. It was malaria. Fortunately, the drug available to me then was effective, but I was pretty sick for a few days. Since that time, malarial drug resistance has become steadily more widespread. In fact, the treatment that cured me would be of little use today. Combination drug therapies including artemisinin have been introduced to take the place of the older drugs [1], but experts are concerned the mosquito-borne parasites that cause malaria are showing signs of drug resistance again.

So, researchers have been searching the genome of Plasmodium falciparum, the most-lethal species of the malaria parasite, for potentially better targets for drug or vaccine development. You wouldn’t think such work would be too tough because the genome of P. falciparum was sequenced more than 15 years ago [2]. Yet it’s proven to be a major challenge because the genetic blueprint of this protozoan parasite has an unusual bias towards two nucleotides (adenine and thymine), which makes it difficult to use standard research tools to study the functions of its genes.

Now, using a creative new spin on an old technique, an NIH-funded research team has solved this difficult problem and, for the first time, completely characterized the genes in the P. falciparum genome [3]. Their work identified 2,680 genes essential to P. falciparum’s growth and survival in red blood cells, where it does the most damage in humans. This gene list will serve as an important guide in the years ahead as researchers seek to identify the equivalent of a malarial Achilles heel, and use that to develop new and better ways to fight this deadly tropical disease.


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Valentino Gantz

Valentino Gantz/Credit: Erik Jepsen

Researchers have used Drosophila melanogaster, the common fruit fly that sometimes hovers around kitchens, to make seminal discoveries involving genetics, the nervous system, and behavior, just to name a few. Could a new life-saving approach to prevent malaria be next? Valentino Gantz, a researcher at the University of California, San Diego, is on a path to answer that question.

Gantz has received a 2016 NIH Director’s Early Independence Award to use Drosophila to hone a new bioengineered tool that acts as a so-called “gene drive,” which spreads a new genetically encoded trait through a population much faster than would otherwise be possible. The lessons learned while working with flies will ultimately be applied to developing a more foolproof system for use in mosquitoes with the hope of stopping the transmission of malaria and potentially other serious mosquito-borne diseases.


Posted In: Health, Science, technology

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Mouse Midbrain

Credit: Michael Shribak, Marine Biological Laboratory, Woods Hole, MA

Birds do it, bees do it, and even educated fleas do it. No, not fall in love, as the late Ella Fitzgerald so famously sang. Birds and insects can see polarized light—that is, light waves transmitted in a single directional plane—in ways that provides them with a far more colorful and detailed view of the world than is possible with the human eye.

Still, thanks to innovations in microscope technology, scientists have been able to tap into the power of polarized light vision to explore the inner workings of many complex biological systems, including the brain. In this image, researchers used a recently developed polarized light microscope to trace the spatial orientation of neurons in a thin section of the mouse midbrain. Neurons that stretch horizontally appear green, while those oriented at a 45-degree angle are pinkish-red and those at 225 degrees are purplish-blue. What’s amazing is that these colors don’t involve staining or tagging the cells with fluorescent markers: the colors are generated strictly from the light interacting with the physical orientation of each neuron.


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Mosquitoes and a Double HelixMalaria has afflicted humans for millennia. Even today, the mosquito-borne, parasitic disease claims more than a half-million lives annually [1]. Now, in a study that has raised both hope and concern, researchers have taken aim at this ancient scourge by using one of modern science’s most powerful new technologies—the CRISPR/Cas9 gene-editing tool—to turn mosquitoes from dangerous malaria vectors into allies against infection [2].

The secret behind this new strategy is the “gene drive,” which involves engineering an organism’s genome in a way that intentionally spreads, or drives, a trait through its population much faster than is possible by normal Mendelian inheritance. The concept of gene drive has been around since the late 1960s [3]; but until the recent arrival of highly precise gene editing tools like CRISPR/Cas9, the approach was largely theoretical. In the new work, researchers inserted into a precise location in the mosquito chromosome, a recombinant DNA segment designed to block transmission of malaria parasites. Importantly, this segment also contained a gene drive designed to ensure the trait was inherited with extreme efficiency. And efficient it was! When the gene-drive engineered mosquitoes were mated with normal mosquitoes in the lab, they passed on the malaria-blocking trait to 99.5 percent of their offspring (as opposed to 50 percent for Mendelian inheritance).


Posted In: Ethics, Health, Science

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