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GlossaryPolydispersity Index

measure of molecular size distribution in a polymer sample

The Polydispersity Index (PDI) is a measure of the distribution of molecular mass in a given polymer sample. It indicates how uniform or varied the sizes of the molecules are within the sample. A PDI value close to 1 suggests a uniform molecular size, while higher values indicate a broader range of molecular sizes. This term is particularly important in fields like materials science and biochemistry, where the consistency of molecular size can impact the properties and behavior of materials or biological molecules.

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Self-Assembled Chitosan Nanoparticles for Percutaneous Delivery of Caffeine: Preparation, Characterization, and In Vitro Release Studies

research Self-Assembled Chitosan Nanoparticles for Percutaneous Delivery of Caffeine: Preparation, Characterization, and In Vitro Release Studies

7 citations, July 2018 in “International Journal of Applied Pharmaceutics”

Chitosan nanoparticles are promising for sustained caffeine delivery through the skin.

Improvement in Physicochemical Parameters of DPPC Liposomes and Increase in Skin Permeation of Aciclovir and Minoxidil by the Addition of Cationic Polymers

research Improvement in Physicochemical Parameters of DPPC Liposomes and Increase in Skin Permeation of Aciclovir and Minoxidil by the Addition of Cationic Polymers

61 citations, June 2010 in “European Journal of Pharmaceutics and Biopharmaceutics”

Cationic polymers improved liposome stability and increased skin absorption of aciclovir and minoxidil.

research Traditional Knowledge Digital Library: The Challenges Ahead

1 citations, January 2017 in “Social Science Research Network”

The document suggests creating a secure database for indigenous knowledge and recommends that the TKDL actively fight patents that slightly alter traditional knowledge.

research Hyperbranched Glycerol-Based Core-Amphiphilic Branched Shell Nanotransporters for Dermal Drug Delivery

10 citations, May 2016 in “Polymer”

New nanocarriers improve skin drug delivery with low toxicity at certain concentrations.

research The Role of 3Rs in the Age of One Health: Where We Are and Where We’re Going

October 2023 in “Biomedical science and engineering”

Innovative methods are reducing animal testing and improving biomedical research.

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community Since there is so much hype for cosmeRNA and HMI-115...

in Chat 50 upvotes 1 year ago

Exploring different treatments for hair loss, such as cosmeRNA and HMI-115 which are small interference messenger RNA that inhibits the DHT receptor and an antibody that binds to the prolactin (PRL) receptor respectively; and researching mechanism and environment of hyperresponders.