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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 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.

research The Use of Polyethylenimine–DNA to Topically Deliver hTERT to Promote Hair Growth

17 citations, May 2011 in “Gene Therapy”

Using polyethylenimine-DNA to deliver the hTERT gene can stimulate hair growth and may be useful in treating hair loss, but there could be potential cancer risks.

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

in Treatment 20 upvotes 3 months 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.

community Did anyone of you see significant improvements after adding dermarolling to the already ongoing minoxidil treatment?

in Microneedling 35 upvotes 4 months ago

Users discussed adding microneedling to minoxidil treatment for hair loss. Some saw improvements, especially when combining microneedling with minoxidil and finasteride, while others did not notice significant changes.

community Do you see any progress? 9 months in.

in Progress Pictures 79 upvotes 11 months ago

The user has been using minoxidil, dutasteride, and mesotherapy for hair loss for 9 months and recently added a derma-roller to their routine. Commenters agree there is visible progress and improvement in hair thickness.

community Starting ketoconzole. How much and How many times a week?

in Ketoconazole 12 upvotes 2 weeks ago

A user is experiencing severe dandruff and hair loss, considering using ketoconazole shampoo 2% to manage these issues. They seek advice on application frequency and effectiveness, with suggestions to use it 2-3 times a week and to consider other treatments like finasteride for hair loss.

community Refused to take pictures at my friends wedding because i’m balding

in Chat 255 upvotes 4 months ago

A user expressed deep frustration and embarrassment about balding, especially at a friend's wedding, and mentioned using finasteride and minoxidil. Others shared similar experiences and offered support, with some suggesting therapy and hair treatments.

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