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Detecting COVID-19 antibodies in 10-12 seconds
15/01/2021
Researchers at Carnegie Mellon University report findings on an advanced nanomaterial-based biosensing platform that detects, within seconds, antibodies specific to SARS-CoV-2, the virus responsible for the COVID-19 pandemic. In addition to testing, the platform will help to quantify patient immunological response to the new vaccines with precision.
Multi-photon lithography: printing cells with micrometer accuracy
01/12/2020
How do cells react to certain drugs? And how exactly is new tissue created? This can be analyzed by using bioprinting to embed cells in fine frameworks. However, current methods are often imprecise or too slow to process cells before they are damaged. At the TU Vienna, a high-resolution bioprinting process has now been developed using a new bio-ink.
Printed life – possibilities and limits of bioprinting
01/12/2020
Implants, prostheses and various other components made of plastic, metal or ceramics are already being produced by additive manufacturing. But skin, blood vessels or entire organs from the printer – is that possible? For years now, intensive research has been underway into the production of biologically functional tissue using printing processes. Some things are already possible with bioprinting.
"Cells are highly sensitive" – material development for bioprinting
01/12/2020
The big hope of bioprinting is to someday be able to print whole human organs. So far, the process has been limited to testing platforms such as organs-on-a-chip. That's because the actual printing process already poses challenges. Scientists need suitable printing materials that ensure the cell's survival as it undergoes the procedure. The Fraunhofer IGB is researching and analyzing this aspect.
Bioprinting: life from the printer
01/12/2020
It aims at the production of test systems for drug research and gives patients on the waiting lists for donor organs hope: bioprinting. Thereby biologically functional tissues are printed. But how does that actually work? What are the different bioprinting methods? And can entire organs be printed with it? These and other questions are examined in our Topic of the Month.
Open-source optical toolbox: a microscope for everyone
30/11/2020
Modern microscopes used for biological imaging are expensive, are located in specialized laboratories and require highly qualified staff. To research novel, creative approaches to address urgent scientific issues – for example in the fight against infectious diseases such as Covid-19 – is thus primarily reserved for scientists at well-equipped research institutions in rich countries.
3D-printed nasal swab for COVID-19 testing
23/11/2020
In response to the critical shortage of nasopharyngeal (NP) swabs early in the COVID-19 pandemic, the Department of Radiology at University of South Florida (USF) Health in Tampa set out to design, validate and create NP swabs using a point-of-care 3D printer.
3D bioprinted heart provides new tool for surgeons
19/11/2020
Professor of Biomedical Engineering Adam Feinberg and his team have created the first full-size 3D bioprinted human heart model using their Freeform Reversible Embedding of Suspended Hydrogels (FRESH) technique.
Researchers 3D print biomedical parts with supersonic speed
11/11/2020
Forget glue, screws, heat or other traditional bonding methods. A Cornell University-led collaboration has developed a 3D printing technique that creates cellular metallic materials by smashing together powder particles at supersonic speed.
Customized prosthesis using 3D printing
30/10/2020
Upper limb forequarter amputations which involve the removal of the entire arm and scapula require highly customized prosthetic devices that are expensive but yet, usually underutilized due to their high maintenance and low comfort levels. At the same time, while cosmetic prostheses have a higher rate of continuous use, they have limitations in functional use.
3D printing the first biomimetic tongue surface
28/10/2020
Scientists have created synthetic soft surfaces with tongue-like textures for the first time using 3D printing, opening new possibilities for testing oral processing properties of food, nutritional technologies, pharmaceutics and dry mouth therapies.
rhCollagen: genetically engineered building block for regenerative medicine
03/02/2020
Collagen is the stuff that holds our bodies together and that houses our cells. In regenerative medicine, it is also the stuff that can be applied to wounds to support healing. However, collagen from animal or human sources has some drawbacks for today’s medicine. This is where rhCollagen from the Israeli company CollPlant comes into play.
Regenerative medicine: creating a new body?
03/02/2020
Regenerative medicine aims to repair the human body after injuries, accidents or major cancer surgery. Unfortunately, we are still not at a stage where this process can achieve optimal results for every conceivable situation. Having said that, various new methods are on the cusp of breakthrough.
Regenerative medicine: helps the body healing
03/02/2020
Severe wounds heal slowly and leave scars. This is why we have been using regenerative therapies for some time now to accelerate and improve healing. They also help to avoid permanent damage. Still, complex applications like replacing organs or limbs will rather remain vision than become reality for a long time.
Endoprosthetic surgery: modern and traditional approaches
01/01/2020
Surgery is required if you need an artificial joint. Patients and doctors must select the type of surgery that’s best suited and choose between robot-assisted, traditional or minimally invasive surgical approaches. Post-operative risks should be kept to a minimum, while benefits should outweigh any possible complications.
Tissue engineering: how to grow a bypass
23/04/2018
A bypass is a complicated structure. It is either made of synthetic materials that can cause blood clots and infections or created by using the patient’s veins. However, the latter often does not yield adequate material. A newly developed bioreactor could solve this problem in the future. It is designed to tissue engineer vascular grafts by using the body’s own material.