Results 1 to 10 of about 236,402 (293)

Production of mutant streptavidin protein and investigation of its effect on the performance of streptavidin [PDF]

open access: yesIranian Journal of Basic Medical Sciences, 2023
Objective(s): Streptavidin is a versatile protein in cell science. The tetramer structure of streptavidin plays a key role in this binding, but this form interferes with some assays.
Elham Didevara   +3 more
doaj   +3 more sources

Scalable production of monovalent streptavidin with high yield and purity [PDF]

open access: yesScientific Reports
The tetrameric protein streptavidin has found ubiquitous use in a wide variety of applications due to its ability to bind biotin molecules with remarkable affinity (Kd of 10− 14 M).
Ian D. Wadsworth   +5 more
doaj   +2 more sources

Streptavidins Coordinate Biotin Sequestration and Self‐Resistance Within a Biotin‐Pathway Antibiotic Network [PDF]

open access: yesAdvanced Science
Streptavidin, the well‐known biotin‐binding protein extensively used in biotechnology, is naturally co‐produced in Streptomyces avidinii alongside stravidins—inhibitors of biotin biosynthesis.
Sumire Kurosawa   +8 more
doaj   +2 more sources

Effective Tumor Targeting by EphA2-Agonist-Biotin-Streptavidin Conjugates

open access: yesMolecules, 2021
We recently reported on a potent synthetic agent, 135H11, that selectively targets the receptor tyrosine kinase, EphA2. While 135H11 possesses a relatively high binding affinity for the ligand-binding domain of EphA2 (Kd~130 nM), receptor activation in ...
Parima Udompholkul   +6 more
doaj   +1 more source

A novel multimeric sCD19‐streptavidin fusion protein for functional detection and selective expansion of CD19‐targeted CAR‐T cells

open access: yesCancer Medicine, 2022
Background CARs are engineered receptors comprising an immunoglobulin single‐chain variable fragment (scFv) that identifies and binds to the target antigen, a transmembrane domain, and an intracellular T‐cell signaling domain.
Hui Lian   +10 more
doaj   +1 more source

Purity of maltose-binding protein – Recombinant streptavidin expressed in Escherichia coli BL21 (pD861-MBP: 327892)

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2022
Nearly 95% of streptavidin which is expressed in Escherichia coli found as an inclusion body. Protein expressed in an inclusion body form requires further steps for the folding process related to its purification.
Toto Subroto   +5 more
doaj   +1 more source

In Situ Assembly of Nanomaterials and Molecules for the Signal Enhancement of Electrochemical Biosensors

open access: yesNanomaterials, 2021
The physiochemical properties of nanomaterials have a close relationship with their status in solution. As a result of its better simplicity than that of pre-assembled aggregates, the in situ assembly of nanomaterials has been integrated into the design ...
Yong Chang   +4 more
doaj   +1 more source

Modular Set of Reagents in Lateral Flow Immunoassay: Application for Antibiotic Neomycin Detection in Honey

open access: yesBiosensors, 2023
A scheme of modular competitive immunochromatography with an analyte-independent test strip and changeable specific immunoreactants has been proposed.
Lyubov V. Barshevskaya   +3 more
doaj   +1 more source

An Analysis of the Biotin–(Strept)avidin System in Immunoassays: Interference and Mitigation Strategies

open access: yesCurrent Issues in Molecular Biology, 2023
An immunoassay is an analytical test method in which analyte quantitation is based on signal responses generated as a consequence of an antibody–antigen interaction. They are the method of choice for the measurement of a large panel of diagnostic markers.
Amy H. A. Balzer   +1 more
doaj   +1 more source

A Stable Biotin-Streptavidin Surface Enables Multiplex, Label-Free Protein Detection by Aptamer and Aptamer-Protein Arrays Using Arrayed Imaging Reflectometry

open access: yesSensors, 2020
While label-free multiplex sensor technology enables “mixing and matching” of different capture molecules in principle, in practice this has been rarely (if ever) demonstrated. To fill this gap, we developed protocols for the preparation of mixed aptamer-
Alanna M. Klose, Benjamin L. Miller
doaj   +1 more source

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