Polyplex Nanomicelle
Polyplex Nanomicelle - Related Videos
05:50
Intranasal Delivery of mRNA Polyplexes via Rayleigh Breakup Aerosols: An In Vitro Method for Nasal Deposition and Functional Testing
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2026
This protocol presents Rayleigh breakup as a mild process for aerosolizing non-viral mRNA vectors. Regional deposition for aerosolized mRNA vectors is evaluated by the Alberta Idealized Nasal Inlet (AINI) model. Green fluorescence protein (GFP) expression in human lung cells represents maintenance of physicochemical and biological functions of post-aerosolized mRNA vectors.
03:43
Magnetofection-Based Transfection In Vitro: A Magnetic Field-Assisted Technique to Deliver Plasmids Into Primary Mouse Neuronal Cells Using Magnetic Nanoparticles
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2025
In this video, we demonstrate magnetically-guided transfection of plasmid DNA in primary neuronal cell culture. Magnetofection uses an external magnetic field to guide the delivery of plasmids bound to magnetic nanoparticles into cell cytoplasm.
02:43
Formulating mRNA-Loaded Nanoparticles for Vaccination Purposes
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2025
This video demonstrates a method for generating an mRNA vaccine candidate using polymeric nanoparticles. The cationic polymer interacts with negatively charged mRNA, forming polyplexes. The formation of polyplexes stabilizes the mRNA, making it a potential candidate for future mRNA vaccines in immunotherapeutic applications.
02:53
A Technique to Generate Monoclonal Antibodies from Antigen-Specific B Cells
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2025
The video demonstrates a technique for generating monoclonal antibodies from antigen-specific B cells. Eukaryotic expression vectors encoding the heavy and light chains of antibodies, cloned from isolated antigen-specific B cells, are introduced into mammalian cells using polyplexes. Once inside the cells, these vectors undergo translation, and the resulting heavy and light chain peptides assemble into antibodies, which are subsequently secreted by the cells.
05:41
Generating a Multivalent-Displaying Outer Membrane Vesicle Vaccine
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2025
This video demonstrates a method to generate multivalent-displaying outer membrane vesicle (OMV) vaccines. Mammalian cells are transfected to express and secrete viral antigens fused to a SpyTag and a polyhistidine tag. These antigens are then purified using a nickel-nitrilotriacetic acid (Ni-NTA) affinity column. The purified antigen is mixed with outer membrane vesicles expressing surface-bound SpyCatcher (SC) protein. Multiple antigens covalently attach to SpyCatchers via their SpyTags (ST),...
FAQs
Positively charged segments of the amphiphilic block copolymer attract negatively charged DNA or RNA, concentrating the cargo into a compact polyplex core. This charge-based association allows the carrier to package genetic material without relying on a separate encapsulation step described in the source. The resulting organization is central to creating a stable nanoscale delivery structure for biological systems.
The hydrophilic shell surrounds the charged core and helps stabilize the particle in aqueous environments. This outer layer complements the compact organization of DNA or RNA by maintaining compatibility with water-based biological settings. Its stabilizing role supports the carrier’s ability to remain usable for nucleic-acid delivery and contributes to the design of biologically compatible nanomicelles.
Polymer composition and particle size are tunable design features that researchers can adjust to balance delivery efficiency with biological compatibility. Changing these characteristics can alter how the carrier packages nucleic acids and performs in biological systems. This tunability makes the platform adaptable for different gene-based research goals rather than restricting it to one cargo or application.
Researchers can select polymer features and particle dimensions according to the intended nucleic-acid cargo and biological objective. The carrier must form a compact core, maintain aqueous stability through its shell, and support protection of DNA or RNA from degradation. Considering these properties together helps guide optimization toward effective delivery while preserving biological compatibility.
These carriers support several gene-based applications, including transient gene expression, genome editing, and nucleic-acid therapeutics. Their value comes from combining cargo protection with delivery into biological systems. Because polymer composition and size can be tuned, researchers can investigate carrier designs suited to different experimental objectives, from temporary cellular changes to approaches involving targeted genetic modification.
Evaluation can focus on whether the carrier protects DNA or RNA from degradation, supports cellular uptake, and enables the intended gene-based activity. Depending on the application, the relevant outcome may be transient gene expression, genome editing, or delivery for nucleic-acid therapeutics. Together, these measures connect nanomicelle design with biological performance in bioengineering research.