Abstract:
:Microalbuminuria is an important clinical marker of several cardiovascular, metabolic, and other diseases such as diabetes, hypertension, atherosclerosis, and cancer. The accurate detection of microalbuminuria relies on albumin quantification in the urine, usually via an immunoturbidity assay; however, like many antibody-based assessments, this method may not be robust enough to function in global health applications, point-of-care assays, or wearable devices. Here, we develop an antibody-free approach using synthetic molecular recognition by constructing a polymer to mimic fatty acid binding to the albumin, informed by the albumin crystal structure. A single-walled carbon nanotube, encapsulated by the polymer, as the transduction element produces a hypsochromic (blue) shift in photoluminescence upon the binding of albumin in clinical urine samples. This complex, incorporated into an acrylic material, results in a nanosensor paint that enables the detection of microalbuminuria in patient samples and comprises a rapid point-of-care sensor robust enough to be deployed in resource-limited settings.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Budhathoki-Uprety J,Shah J,Korsen JA,Wayne AE,Galassi TV,Cohen JR,Harvey JD,Jena PV,Ramanathan LV,Jaimes EA,Heller DAdoi
10.1038/s41467-019-11583-1subject
Has Abstractpub_date
2019-08-09 00:00:00pages
3605issue
1issn
2041-1723pii
10.1038/s41467-019-11583-1journal_volume
10pub_type
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