Explanipedia

Allomelanin: A Biopolymer of Intrinsic Microporosity Open

Naneki C. McCallum, Florencia A. Son, Tristan D. Clemons, Steven J. Weigand, Karthikeyan Gnanasekaran , et al. · 2021

Melanin is a ubiquitous natural pigment found in a diverse array of organisms. Allomelanin is a class of nitrogen-free melanin often found in fungi. Herein, we find artificial allomelanin analogues exhibit high intrinsic microporosity and …

Development of a Colorimetric Sensor for Autonomous, Networked, Real-Time Application Open

Brandy J. Johnson, Anthony P. Malanoski, Jeffrey S. Erickson · 2020

Computer science Engineering Biology

This review describes an ongoing effort intended to develop wireless sensor networks for real-time monitoring of airborne targets across a broad area. The goal is to apply the spectrophotometric characteristics of porphyrins and metallopor…

Field Demonstration of a Distributed Microsensor Network for Chemical Detection Open

Jeffrey S. Erickson, Brandy J. Johnson, Anthony P. Malanoski · 2020

Computer science Engineering Geology

We have developed the ABEAM-15, a custom-built multiplexed reflectance device for the detection of vapor phase and aerosolized chemical plumes. The instrument incorporates fifteen individual sensing elements, has wireless communications, o…

Development of a Genetic System for Marinobacter atlanticus CP1 (sp. nov.), a Wax Ester Producing Strain Isolated From an Autotrophic Biocathode Open

Lina J. Bird, Zheng Wang, Anthony P. Malanoski, Elizabeth L. Onderko, Brandy J. Johnson , et al. · 2018

Biology

Here, we report on the development of a genetic system for Marinobacter sp. strain CP1, previously isolated from the Biocathode MCL community and shown to oxidize iron and grow as a cathodic biofilm. Sequence analysis of the small and larg…

Deposition of Porous Sorbents on Fabric Supports Open

Brandy J. Johnson, Brian J. Melde, M. H. Moore, Jenna R. Taft · 2018

Materials science Chemistry Engineering

A microwave deposition technique for silanes, previously described for production of oleophobic fabrics, is adapted to provide a fabric support material that can be subsequently treated by dip coating. Dip coating with a sol preparation pr…

Improving Sorbents for Glycerol Capture in Biodiesel Refinement Open

Brandy J. Johnson, Brian J. Melde, M. H. Moore, Anthony P. Malanoski, Jenna R. Taft · 2017

Materials science Chemistry Engineering

Biodiesel is produced by transesterification of animal fat, vegetable oil, or waste cooking oil with alcohol. After production costs, the economic viability of biodiesel is dependent on what steps are necessary to remove impurities followi…

Reflectance-based detection for long term environmental monitoring Open

Brandy J. Johnson, Anthony P. Malanoski, Jeffrey S. Erickson, Ray Liu, Allison R. Remenapp , et al. · 2017

Computer science Environmental science Engineering

Here, the potential of colorimetric sensors utilizing porphyrin indicators for long term environmental monitoring is demonstrated. Prototype devices based on commercial color sensing chips (six per device) were combined with in-house devel…

Adsorption and Elution of Nucleic Acids: Mesoporous Materials and Methods Open

Baochuan Lin, Brandy J. Johnson, Brian J. Melde, Genevieve M. Haas, Miles K. J. McConner , et al. · 2017

Materials science Chemistry

Physical protection of nucleic acids from the environment for improved stability through encapsulation or adsorption has been reported using various materials, including liposomes, metal particles, mesoporous silica nanoparticles, and poly…

Development of a Detection Algorithm for Use with Reflectance-Based, Real-Time Chemical Sensing Open

Anthony P. Malanoski, Brandy J. Johnson, Jeffrey S. Erickson, David A. Stenger · 2016

Computer science Physics Biology

Here, we describe our efforts focused on development of an algorithm for identification of detection events in a real-time sensing application relying on reporting of color values using commercially available color sensing chips. The effor…

Porphyrin-modified antimicrobial peptide indicators for detection of bacteria Open

Brandy J. Johnson, Chris R. Taitt, Apre Gleaves, Stella H. North, Anthony P. Malanoski , et al. · 2016

Chemistry Biology Physics

This study demonstrates the potential of porphyrin modified antimicrobial peptides for indication of bacterial targets on the basis of changes in the spectrophotometric characteristics of the construct. Detection is a result of changes in …

Short CommunicationReflectance-based detection of oxidizers in ambient air Open

Brandy J. Johnson, Ray Liu, Robert C. Neblett, Anthony P. Malanoski, Miao Xu , et al. · 2016

Environmental science Computer science Chemistry

This study used two types of paper supported materials with a prototype, reflectance-based detector for indication of hydrogen peroxide vapor under ambient laboratory conditions. Titanyl based indicators provide detection through reaction …

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