Bio-conjugate Synthesis
Bio-conjugate Synthesis - Related Videos
07:07
Synthetic Methodology for Asymmetric Ferrocene Derived Bio-conjugate Systems via Solid Phase Resin-based Methodology
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Cited by 2 •
2015
The synthesis of asymmetric species of ferrocene is challenging using solution techniques. This report focuses on the methods carried out to produce a ferrocene-biotin bioconjugate using facile and clean reactions accomplished via solid-phase synthesis. Incorporation of a thiolate moiety is shown to impart the ability for immobilization on gold surfaces.
13:06
Solubilization and Bio-conjugation of Quantum Dots and Bacterial Toxicity Assays by Growth Curve and Plate Count
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Cited by 7 •
2012
Nanoparticles such as semiconductor quantum dots (QDs) can be used to create photoactivatable agents for anti-microbial or anti-cancer applications. This technique shows how to water-solubilize cadmium telluride (CdTe) QDs, conjugate them to an antibiotic, and perform a bacterial inhibition assay based upon growth curves and plate count.
09:09
Layer-by-layer Synthesis and Transfer of Freestanding Conjugated Microporous Polymer Nanomembranes
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Cited by 3 •
2015
In this paper we describe the interfacial synthesis of conjugated microporous polymers (CMP) on sacrificial substrates, and the dissolution of the substrate for the preparation of freestanding CMP nanomembranes. In addition, we will describe how the fragile nanomembranes can be transferred to other substrates.
16:38
Bridging the Bio-Electronic Interface with Biofabrication
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Cited by 3 •
2012
This article describes a biofabrication approach: deposition of stimuli-responsive polysaccharides in the presence of biased electrodes to create biocompatible films which can be functionalized with cells or proteins. We demonstrate a bench-top strategy for the generation of the films as well as their basic uses for creating interactive biofunctionalized surfaces for lab-on-a-chip applications.
02:50
Conjugated Proteins
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2020
Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties. Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
FAQs
Selectivity in bio-conjugate synthesis comes from matching complementary functional groups so the intended biomolecule site reacts preferentially with the functional partner. Activated residues can increase the reactivity of selected sites, while reaction design limits unwanted modification elsewhere. This control matters because a more uniform conjugate is easier to characterize and more reliably supports labeling, delivery, or sensing experiments.
A linker provides a controlled connection between a biomolecule and its functional partner when direct attachment is not the chosen design. By serving as an intermediate in the covalent linkage, it gives the synthesis another way to connect the two components while retaining the central requirement for selective functional-group reactivity. Linker choice therefore forms part of overall reaction design.
In bio-conjugate synthesis, reaction conditions must balance chemical reactivity with preservation of the biomolecule’s structure and activity. Stoichiometry, meaning the relative amounts of reacting components, also affects how consistently the intended linkage forms. Careful adjustment of both variables helps reduce uneven products and improves reliability when the conjugate is used in downstream biological or analytical experiments.
A basic workflow starts by selecting the biomolecule, functional partner, and complementary reactive groups, then choosing whether an activated residue or linker will mediate attachment. The components are allowed to react under conditions compatible with biomolecule integrity, after which the conjugate is purified. This sequence connects reaction design with product quality and experimental reproducibility.
Purification contributes to better control of conjugate composition after the coupling reaction. Isolating the desired product supports product uniformity and improves the reliability of later experiments. In chemistry and biotechnology, this consistency is valuable when researchers compare fluorescence labeling, targeted delivery, imaging, immunoassay, or biosensor results across samples and experimental conditions.
Application determines which functional partner is attached and what outcome is measured. A fluorophore-containing conjugate can support fluorescence labeling or imaging, whereas a drug-containing conjugate can support targeted delivery studies. Other conjugates contribute to immunoassays and biosensor development. Across these uses, covalent attachment helps researchers track biological systems or investigate how therapeutic agents reach cells.