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GlossaryPolyethylenimine (PEI)

polymer used for binding DNA and delivering genes

Polyethylenimine (PEI) is a polymer that is often used in scientific research and industrial applications due to its strong ability to bind to DNA and other negatively charged molecules. It is commonly utilized in gene therapy and biotechnology for delivering genetic material into cells, as well as in water treatment processes to remove contaminants.

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Epidermal Stem Cells Manipulated by pDNA-VEGF165/CYD-PEI Nanoparticles Loaded Gelatin/β-TCP Matrix as a Therapeutic Agent and Gene Delivery Vehicle for Wound Healing

research Epidermal Stem Cells Manipulated by pDNA-VEGF165/CYD-PEI Nanoparticles Loaded Gelatin/β-TCP Matrix as a Therapeutic Agent and Gene Delivery Vehicle for Wound Healing

40 citations , June 2013 in “Molecular Pharmaceutics”

The gelatin/β-TCP scaffold with nanoparticles improves wound healing and skin regeneration.

research Peirce's Semiotic Analysis: McDonald's Father's Day Series Advertising Posters

January 2023 in “MIMESIS”

The study concluded that McDonald's Father's Day ad uses a burger bun to symbolize a father, with colors and text celebrating the occasion and representing the brand's identity.

research Diffusion Behavior of Poly(Ethylene Imine) Into Keratin Fibers Using Microspectrophotometry

5 citations , April 2005 in “Journal of applied polymer science”

PEI diffuses into hair at a constant rate, and urea speeds up this process.

research Preparation and Characterization of Keratin-Based Biocomposite Hydrogels Prepared by Electron Beam Irradiation

71 citations , September 2013 in “Materials Science and Engineering C”

Keratin-based hydrogels from human hair and wool are promising for wound dressings and are more eco-friendly.

research Medical Treatment of Hepatocellular Carcinoma: Any Progress?

19 citations , October 1994 in “Tumori Journal”

As of 1994, treatments for liver cancer had not significantly improved patient survival.

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community Tattooed your scalp as a response to going bald? Show me!

in Chat 7 upvotes 1 week ago

A user is interested in seeing scalp tattoos as a response to hair loss, specifically looking for creative designs rather than scalp micropigmentation. They are considering this approach for their own Norwood 5 hair loss situation.

community 9 Months 0.5 mg Dut + 2.5 mg oral Minox

in Is this regrowth? 29 upvotes 4 months ago

The user experienced hair regrowth after 9 months using 0.5 mg dutasteride and 2.5 mg oral minoxidil, with initial shedding that reversed by the third month. The user reported no side effects and felt good overall.

community Tretinoin vs. micro-needling: what increases sulfotransferase activity more?

in Research/Science 1 upvotes 4 months ago

Tretinoin and microneedling both enhance hair growth through different mechanisms, with microneedling being considered safe for long-term use. Optimal microneedling needle length varies, but 0.8 mm is suggested for hair growth, and a Dermastamp is recommended to avoid skin damage.

community Before and after? NO Fin/NO Minoxidil. Just DHT Blocking Shampoo&Microneedling

in Microneedling 54 upvotes 8 months ago

The user experienced hair thinning and used microneedling, DHT blocking shampoo, and Biotin DHT blocking oil to address it, avoiding finasteride and minoxidil unless necessary later. They reported mild improvement but received mixed feedback, with some suggesting other conditions or treatments like ciclopirox shampoo.

community Pérdida de cabello en jóvenes (15-20 años) mi experiencia.

in Treatment 20 upvotes 1 year ago

A 19-year-old shares his hair loss experience and treatment routine, which includes 1mg finasteride daily, 2mg oral minoxidil daily, ketoconazole shampoo every 2 days, and a healthy lifestyle. He notes that oral minoxidil is showing better results than topical minoxidil.

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