Stable Silk Protein Fragment Compositions

Stable Silk Protein Fragment Compositions

A composition is disclosed that includes pure silk fibroin-based protein fragments that are substantially devoid of sericin, wherein the composition has an average weight average molecular weight ranging from about 17 kDa to about 38 kDa, wherein the composition has a polydispersity of between about...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Altman, Gregory H, Haas, Dylan S, Lind, Rachel M, Dow, Rachel Lee, Lacouture, Rebecca L
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HAIRDRESSING OR SHAVING EQUIPMENT
HAND OR TRAVELLING ARTICLES
HUMAN NECESSITIES
HYGIENE
MANICURING OR OTHER COSMETIC TREATMENT
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PEPTIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:A composition is disclosed that includes pure silk fibroin-based protein fragments that are substantially devoid of sericin, wherein the composition has an average weight average molecular weight ranging from about 17 kDa to about 38 kDa, wherein the composition has a polydispersity of between about 1.5 and about 3.0, wherein the composition is substantially homogeneous, wherein the composition between 0 ppm to about 500 ppm of inorganic residuals, and wherein the composition includes between 0 ppm to about 500 ppm of organic residuals.