Category: Physics and Technology

Technology

Design and Testing of Amplification Frame for Piezoelectric Energy Harvester

 By Plinio Guzman Department of Mechanical Engineering State University of New York, Stony Brook Stony Brook, NY 11767 Email: plinio.guzman@stonybrook.ed   By Wusi Chen Department of Mechanical Engineering State University of New York, Stony Brook Stony Brook, NY 11767 Email: wusi.chen@stonybrook.edu   Ya Wang Department of Mechanical Engineering State University of New York, Stony Brook Stony Brook, NY 11767 Email: ya.s.wang@stonybrook.edu   By Lei Zuo … Continue reading Design and Testing of Amplification Frame for Piezoelectric Energy Harvester

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Engineering, Synthetic Biology

Engineering Escherichia coli cells to express Melittin in response to the detection of Pseudomonas aeruginosa

By Gurkamal Kaur, Janki Patel, Tenging Lama, Helen Liu, Gregory Poterewicz

Abstract

The growth of antibiotic resistance is quickly becoming a global public health concern. Infections caused by pathogenic bacteria are becoming increasingly difficult to treat due to the misuse, overuse and abuse of antibiotics. In addition, infections caused by some harmful strains of bacteria, particularly gram-negative bacteria, cannot easily be treated with antibiotics or other common forms of treatment. To combat this issue, E. coli were engineered to recognize the pathogenic bacteria Pseudomonas aeruginosa and produce the antimicrobial peptide melittin in response.  In order to do so, nonpathogenic E. coli were transformed with plasmids that control the production of melittin and the reception of communication signals from cells of Pseudomonas aeruginosa.

Continue reading “Engineering Escherichia coli cells to express Melittin in response to the detection of Pseudomonas aeruginosa”

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Technology

Researchers Create Antireflective Surface to Improve Solar Cells

By Ashwin Kelkar The advent of the solar panel has allowed us to harness the energy of the sun, similar to plants. However, unlike plants, solar panels run into a predicament; though we can utilize some of the sun’s rays, most waves end up being reflected off the surface of solar panels. This massive amount of reflected sunlight demonstrates how inefficient solar panels are, even … Continue reading Researchers Create Antireflective Surface to Improve Solar Cells

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Technology

Pioneering X-Ray Techniques Used to Design More Efficient Batteries

By Ashwin Kelkar Have you ever wondered why your iPhone battery only lasts 3 hours instead of the projected 8? It can be frustrating to many people around the world, but it can be even worse when that battery is powering a pacemaker, a tool that allows people’s hearts to continue pumping blood. Imagine what would happen if a battery like this suddenly dies and … Continue reading Pioneering X-Ray Techniques Used to Design More Efficient Batteries

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Medicine and Physiology, Technology

Cerebral Blood Flow Imaging Technique Can be Applied to Disease Diagnosis

By  Marianna Catege Dr. Yingtian Pan, Professor in the Department of Biomedical Engineering at Stony Brook, and his team, have discovered a new imaging technique that allows for a clearer picture of the direction, speed, and quantity of cerebral blood flow. This discovery expands upon and provides an ultrahigh-resolution picture for Stony Brook Medical scientists’ newly developed method for measuring how cocaine interrupts blood flow … Continue reading Cerebral Blood Flow Imaging Technique Can be Applied to Disease Diagnosis

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