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Publication
ID32396732Published Date2020-05-17JournalLangmuir : the ACS journal of surfaces and colloids, 2020-05-17
Functionalization of planar and curved glass surfaces with spiropyran (SP) molecules and localized UV-induced activation of the mechanophore are demonstrated. Fluorescence spectra of UV-irradiated SP-functionalized surfaces reveal that increases in surface roughness or curvature produce more efficient conversion of the mechanophore to the open merocyanine (MC) form. Further, force-induced activation of the mechanophore is achieved at curved glass-polymer interfaces and not planar interfaces. …
Research Grant
Award Number1948838Funding AgencyNational Science FoundationEffective Date2020-05-15Expiration Date2024-04-30Funding Amount$59,004
Earth scientists gather a vast amount and diversity of data by collecting specimens of geological materials including rocks, minerals, fossils, sediments, ice, river water or seawater, and analyzing these samples in the laboratory to measure their chemical and physical properties. The data generated by these analyses help scientists understand natural processes of the past, present, and even future Earth systems, and form the basis of new ideas, hypotheses, and discoveries. Thus, it is import…
Publication
ID32446152Published Date2020-05-11JournalBioelectrochemistry (Amsterdam, Netherlands), 2020-05-11, Volume 135
Methanol solvents that are used in hydraulic fracturing often return back to the surface in the form of recalcitrant flowback water. Here, the indigenous methylotrophic bacteria from flowback water were enriched and used to generate electricity from methanol in a two-compartment microbial fuel cell (CHOH-MFC). An identical MFC based on a tryptone-yeast extract (TY-MFC) was used as a control. CHOH-MFC yielded a 2.7-fold thicker biofilm dominated by electrogenic species (81%) and higher power d…
Publication
ID31942036Published Date2020-04-01JournalThe ISME journal, 2020-04-01, Volume 14
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Publication
ID31784175Published Date2020-03-25JournalThe Science of the total environment, 2020-03-25, Volume 710
In this study, we prepared wool keratin/PET composite nanofiber membrane to adsorb the Cr(VI) in acidic solution due to its strong adsorption ability. The adsorption ability of the composite membrane with different ratios of keratin to PET was investigated. The optimum adsorption ability can be obtained when the keratin concentration was 50% in the solution with a pH value of 3. With the higher content of keratin, the membrane possessed higher hydrophilicity, larger pore ratio, and larger ext…
Publication
ID32131386Published Date2020-03-02JournalMicroorganisms, 2020-03-02, Volume 8
Efficient and sustainable biochemical production using low-cost waste assumes considerable industrial and ecological importance. Solid organic wastes (SOWs) are inexpensive, abundantly available resources and their bioconversion to volatile fatty acids, especially acetate, aids in relieving the requirements of pure sugars for microbial biochemical productions in industries. Acetate production from SOW that utilizes the organic carbon of these wastes is used as an efficient solid waste reducti…
Publication
ID31911315Published Date2020-03-01JournalBioresource technology, 2020-03-01, Volume 300
This study reports the use of multi-layered reduced graphene oxide (rGO) coating on porous nickel foam (NF) electrodes for enhancing biofilm growth of Rhodobacter Sphaeroides spp fed with methanol in microbial fuel cells (CHOH-MFCs). Electrochemical methods were used to assess the methylotrophic activity on rGO/NF electrodes. The power density and current density offered by rGO/NF (1200 mW m and 680 mA m) were 220-fold and 540-fold higher compared to bare NF (5.50 mW m and 1.26 mA m), respect…
Research Grant
Award Number1946396Funding AgencyNational Science FoundationEffective Date2020-02-15Expiration Date2023-01-31Funding Amount$146,898
The Cascadia subduction zone is known to generate infrequent (every ~500 years) but potentially very large (up to magnitude 9) earthquakes. The most recent such earthquake occurred on January 26th, 1700, and GPS data acquired during the last two decades suggest that strain is accumulating across the subduction zone fault in preparation for a future earthquake. However, there is considerable uncertainty about how the geologic structure of the subduction zone will impact strain release during a…
Publication
ID32083934Published Date2020-02-07JournalPhysical review letters, 2020-02-07, Volume 124
This Letter presents the results from pointlike neutrino source searches using ten years of IceCube data collected between April 6, 2008 and July 10, 2018. We evaluate the significance of an astrophysical signal from a pointlike source looking for an excess of clustered neutrino events with energies typically above ∼1 TeV among the background of atmospheric muons and neutrinos. We perform a full-sky scan, a search within a selected source catalog, a catalog population study, and three stacked…
Research Grant
Project Number1R03EB028869-01Funding AgencyNational Institutes of HealthEffective Date2020-02-01Expiration Date2020-11-30Funding Amount$64,333
Project Summary Biomedical research and clinical diagnostics rely on the availability of high-quality diagnostic assays and sensors. The structure and functionality of biomolecular reagents used to construct these assays and sensors are highly dependent on storage conditions. However, due to the poor stability of these biomolecules (especially antibodies and enzymes), diagnostic assays and sensors must be maintained under refrigerated conditions to preserve their biofunctionality. Apart from …
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Research Grants: 406
Publications: 755
Patents: 47

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