2024 Investiture Information



Research Quick Takes

The wireless, battery-free device

Unobtrusive Implantable Device

Professor Wei Ouyang's recent article in Neuron, entitled "An implantable device for wireless monitoring of diverse physio-behavioral characteristics in freely behaving small animals and interacting groups," was featured as a Science Highlight by the National Institute of Biomedical Imaging and Bioengineering (NIBIB). "This work reports a wireless implant that captures a diverse array of previously inaccessible physiological data taken during various behavioral tests, which has the potential to unlock numerous avenues of research such as the effects of brain disorders and treatments on sleep," says Ouyang.

Figure showing TOC-catalysis

Efficient Hydrogen Production

Research Associate Anand Tiwari, PhD student Saifur Rahman, and Professor Will Scheideler co-authored "3D Printed Microlattices of Transition Metal/Metal Oxides for Highly Stable and Efficient Water Splitting" published in Advanced Materials Technologies. The paper presents a novel 3D printing method to create low-cost and efficient electrodes for electrocatalytic hydrogen production. "The resulting materials have shown exceptional durability and electrocatalytic activity, making them promising for large-scale water splitting and sustainable hydrogen fuel production," said Rahman

LBNP experiment set-up

EIT for Early Bleed Detection

PhD students Spencer Bertsch Th'19 and Navid Rashedi, alum Yifei Sun Th'22, and Professors Ethan Murphy (first author), Jonathan Elliott, Ryan Halter, and Vikrant Vaze—along with DHMC and Mayo Clinic researchers—co-authored "Non-invasive biomarkers for detecting progression toward hypovolemic cardiovascular instability in a lower body negative pressure model" published in Scientific Reports. The paper summarizes how electrical impedance tomography (EIT) can be used as a novel marker for early bleed detection.

PhD student Huan Zhao

Guarini 2024 Best Poster Award

PhD student Huan Zhao won the best poster award at Guarini's 2024 Graduate Student Poster Session. Titled "Additively Manufactured Metamaterial using Piezoceramic-Polymer Composite," the poster presented an innovative way to fabricate piezoelectric composites with improved mechanical, thermal, and electrical performance. This research—part of Yan Li's Group and supported by NASA—addresses the need for damage monitoring and process control for future in-space manufacturing.

Headshots of the four authors.

Liquid Metal Wires for Wearable Electronics

PhD students Saifur Rahman and Simon Agnew '22, Research Associate Anand Tiwari, and Professor Will Scheideler co-authored "3D Woven Liquid Metals for Radio-Frequency Stretchable Circuits" published in Advanced Materials Technologies. "We've developed a new way to make better, more comfortable wearable electronics. The key is a special type of interwoven wire made from liquid metal that can stretch and bend without losing its ability to transmit signals."

Co-author Eugene Santos Jr.

Evolving Ontologies

Professor Eugene Santos co-authored "Bayesian-knowledge driven ontologies: A framework for fusion of semantic knowledge under uncertainty and incompleteness" published in PLOS ONE. The paper describes how to fuse multiple conflicting ontologies into a single knowledge base. "Biomedicine's rapid advancement is inundating us with new words, labels, and concepts that can be duplicative or even contradictory," says Santos.

Graphic of a human cellular matrix surrounding a circular foreign body

Interface Design for Bioelectronic Implants

Professor Alex Boys co-authored "Bioelectronic interfacial matching for superior implant design" published in Cell Reports Physical Science, including discussion of the relevance of different mechanical and electronic factors. "Interface design is an important aspect for any material that is implanted into the body," says Boys, "and we wanted to provide a framework for researchers who work on bioelectronics to think about this important issue."

PhD candidates Roman Vasyltsiv and Savannah Decker

Grad Students Shine at NEAAPM

PhD candidates Roman Vasyltsiv and Savannah Decker—both in the Optics in Medicine labs and the Medical Physics Education Program—tied for first place in the early investigator competition at the New England Chapter of the American Association of Physics in Medicine (NEAAPM) meeting in Quincy, Mass. Savannah presented "Improving Cherenkov Dosimetry via Quantitative Skin Tone Analysis," and Roman presented "Fast Imaging of a Novel Conformal Scintilator Mesh for 2D In VivoValidation During UHDR PBS Proton Therapy."

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