Bioengineering

Displaying 11 - 20 of 268

Low-cost biodegradable paper-based biobatteries

Low-cost biodegradable paper-based biobatteries
The batteries of the future may be made out of paper. Researchers at Binghamton University have created a biodegradable, paper-based battery that is more efficient than previously possible. For years, there has been excitement in the scientific community about the possibility of paper-based batteries as an eco-friendly alternative. However, the proposed designs were never quite powerful enough, they were difficult to produce and it was questionable whether they were really biodegradable.
9th August 2018

Soundwave-surfing droplets leave no traces behind

Soundwave-surfing droplets leave no traces behind
Engineers at Duke University have developed a way to manipulate, split and mix droplets of biological fluids by having them surf on acoustic waves in oil. The technology could form the basis of a small-scale, programmable, rewritable biomedical chip that is completely reusable for disparate purposes from on-site diagnostics to laboratory-based research. The study appears in the journal Nature Communications.
7th August 2018

Artificial intelligence system designs drugs from scratch

Artificial intelligence system designs drugs from scratch
An artificial-intelligence approach created at the University of North Carolina at Chapel Hill Eshelman School of Pharmacy can teach itself to design new drug molecules from scratch and has the potential to dramatically accelerate the design of new drug candidates. The system is called Reinforcement Learning for Structural Evolution, known as ReLeaSE, and is an algorithm and computer program that comprises two neural networks which can be thought of as a teacher and a student.
6th August 2018


3D–printed implants shown to help grow ‘real bone’

3D–printed implants shown to help grow ‘real bone’
Chemically coated, ceramic implants successfully guided the regrowth of missing bone in lab animals while 'steadily dissolving,' researchers report. Surgeons and scientists at NYU School of Medicine and NYU College of Dentistry say their implanted scaffolds were naturally absorbed by the test animals’ bodies as new bone gradually replaced the devices. The research team describes its progress in a series of reports, the latest of which appears in the Journal of Tissue Engineering and Regenerative Medicine.
3rd August 2018

Developing next-gen materials for chronic wound repair

Developing next-gen materials for chronic wound repair
Researchers at Texas A&M University and the Stevens Institute of Technology are laying the groundwork to develop the next generation of biomedical materials used to treat chronic wounds. Research partners Dr. Svetlana Sukhishvili and Dr. Hongjun Wang conceived the project during a meeting regarding their groups’ primary focus of research. Experiments were conducted at both facilities, and the results of each were combined to form one cohesive study.
2nd August 2018

Sentimag system for breast lymph node biopsy

Sentimag system for breast lymph node biopsy
The FDA approved Endomagnetics' magnetic tracer injection and detection system for guiding lymph node biopsies in patients with breast cancer undergoing mastectomy. In the procedure, the clinician injects a solution of dextran-coated iron oxide magnetic nanoparticles (Magtrace) in the viscinity of the tumour or the areola, as is done typically with dye or radioactive tracers. The Magtrace then clears along lymphatic vessels and labels the sentinel and draining lymph nodes by accumulating in specific cell types.
31st July 2018

Generating missing cell type in brain 'organoids'

Generating missing cell type in brain 'organoids'
A laboratory technique that turns human stem cells into brain-like tissue now recapitulates human brain development more accurately than ever, according to a study from Case Western Reserve University School of Medicine. The study, published in Nature Methods, demonstrates how to grow brain 'organoids'—self-organising mini spheres that now contain all the major cell types found in the human cerebral cortex—in laboratory dishes.
26th July 2018

Artificial neural networks reveal a brain’s structure

Artificial neural networks reveal a brain’s structure
The function of the brain is based on the connections between nerve cells. In order to map these connections and to create the connectome, the 'wiring diagram' of a brain, neurobiologists capture images of the brain with the help of three-dimensional electron microscopy. Up until now, however, the mapping of larger areas has been hampered by the fact that, even with considerable support from computers, the analysis of these images by humans would take decades.
26th July 2018

Achieving an integrated optical artificial neural network

Achieving an integrated optical artificial neural network
Researchers have shown that it is possible to train artificial neural networks directly on an optical chip. The significant breakthrough demonstrates that an optical circuit can perform a critical function of an electronics-based artificial neural network and could lead to less expensive, faster and more energy efficient ways to perform complex tasks such as speech or image recognition.
20th July 2018

Bioengineering technique for personalised bone grafts

Bioengineering technique for personalised bone grafts
Scientists from the New York Stem Cell Foundation (NYSCF) Research Institute have developed a bone engineering technique called Segmental Additive Tissue Engineering (SATE). The technique, described in a paper published in Scientific Reports, allows researchers to combine segments of bone engineered from stem cells to create large scale, personalised grafts that will enhance treatment for those suffering from bone disease or injury through regenerative medicine.
19th July 2018


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