Triazabutadiene molecules as cleavable cross-linkers adapted to cross-link components with dick chemistry, e.g., clickable triazabutadienes. For example, in some embodiments, the triazabutadienes feature alkyne handles attached to the imidazole portion or the aryl portion of the triazabutadienes, wherein the alkyne handles can link to azide handles (e.g., azide handles disposed on other components) via dick chemistry. Also described are methods of producing said clickable triazabutadienes and methods of use of said clickable triazabutadienes. The present invention also features methods of cleaving said clickable triazabutadienes, e.g., for liberating the diazonium species for further chemical reactions.

Certain embodiments of the invention include methods and compositions for evaluating flaviviruses, such as Zika virus, for the purpose of identifying, typing, and/or categorizing/speciation of virus in samples using nucleic acid sequencing.

Certain embodiments of the invention include methods and compositions for evaluating flaviviruses, such as Zika virus, for the purpose of identifying, typing, and/or categorizing/speciation of virus in samples using nucleic acid sequencing.

A phage specific antibody presenting particle, devices and methods related to detection of phage amplification are provided. Specifically, described herein are compositions and methods for detecting Listeria bacteria using an antibody that recognized A511 anti-Listeria phage, wherein the antibody is conjugated to a nanoparticle that can be detected by surface-enhanced Raman scattering (SERS).

Described herein is a method of identifying a monoclonal antibody (or antigen-binding fragment thereof) that specifically binds a plurality of lyssaviruses for use in post-exposure rabies prophylaxis or in the treatment of clinical rabies. The method includes using a naïve antibody phage display library to screen for phage clones that bind whole recombinant rabies virus or cells expressing glycoprotein from multiple lyssaviruses (such as RABV, MOKV and WCBV) and/or specifically bind recombinant glycoprotein from different lyssaviruses.

Anaplasma Marginale surface protein OmpA and homologous genes from Anaplasmatacaea family members are used in compositions suitable for vaccines to treat or prevent infections caused by tick-born bacteria of the Anaplasmatacaea family. OmpA proteins or peptide fragments may be used in combination with other Anaplasmatacaea surface proteins to elicit an immune response. Furthermore, antibodies to OmpA proteins can be used in diagnostic methods to determine whether an individual has contracted an Anaplasmatacaea infection.

Provided herein are Zika virus (ZIKV) binding constructs, e.g., antibodies and antigen-binding fragments thereof and antibody mimetics, as well as related conjugates, polypeptides, nucleic acids, expression vectors, host cells, kits, and assay systems. Methods detecting ZIKV infection and/or ZIKV exposure and/or ZIKV immunity are provided.

Disclosed herein are methods of eliciting an immune response against a polyomavirus (for example, BKV serotype I (BKV-I), BKV serotype II (BKV-II), BKV serotype III (BKV-III) and/or BKV serotype IV (BKV-IV)) and methods of treating or inhibiting polyomavirus-associated pathology (such as polyomavirus-associated nephropathy, BKV-associated hemorrhagic cystitis, or JC virus-associated progressive multifocal leukoencephalopathy; PML). Further disclosed are immunogenic compositions of use in the disclosed methods. Also disclosed are methods of selecting an organ transplant donor and/or recipient including detecting whether the prospective donor and/or recipient has BKV serotype-specific (such as BKV serotype IV-specific) neutralizing antibodies.

Synbodies specific for Norovirus and coupled with a substrate provide Norovirus binding and detection platforms (FIG. 1). A Norovirus capturing platform, comprising one or more synbodies selected from the group consisting of synbodies 6-6, 92-92, 93-93, and 94-94 coupled to a substrate, has been found to found to bind with either GII.4 Minerva or both GII.4 Minerva and GII.4 Sydney# strains of norovirus.

The present disclosure an ELISA-based assay that uses a glycosylated polypeptide fragment derived from the SARS-CoV-2 spike protein (Covid-19) receptor binding domain (S1RBD) that has affinity for the extracellular domain of Angiotensin Converting Enzyme 2 (ACE2). The S1RBD polypeptide is generated by expression of an encoding nucleic acid by a human cell expression system resulting in glycosylation of the expressed spike receptor binding domain (S1RBD) protein at least at the N343 N-glycosylation site thereof, and which surprisingly and significantly increases the affinity of the S1RBD for ACE2, provides a significant increase in the sensitivity of the assay compared to other known assays.