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Development of keratin-based fibers fabricated by interfacial polyelectrolyte complexation for suture applications.
Biomaterials
March 2025
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore; Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, 637141, Singapore; Skin Research Institute of Singapore, Clinical Sciences Building, 11 Mandalay Road, 308232, Singapore. Electronic address:
Article Synopsis
- Interfacial Polyelectrolyte Complexation (IPC) was used to create composite, micro-scale fibers from keratin, specifically chitosan-keratin (CK) and keratin-keratin (KK) fibers, for potential use as medical sutures.
- The mechanical properties showed that CK fibers were stiffer (higher Young's modulus) while KK fibers had better elongation (strain-at-break) due to unique strain-stiffening characteristics.
- In in vivo tests with mice, the keratin fibers caused minimal immune response and degradation over time, especially the KK fibers, suggesting they could be a viable alternative to standard non-absorbable sutures like Dafilon®.
A Rare Cause of Subgaleal Hematoma in a 6-year-old Child: Hair Braiding.
Rofo
September 2024
Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, United States.
The Sol Braiding Method for Handling Thick Hair During Transcranial Magnetic Stimulation: An Address for Potential Bias in Brain Stimulation.
J Vis Exp
August 2024
Cognitive Neuroimaging Laboratory, Montclair State University;
Transcranial Magnetic Stimulation (TMS) is a technique that is frequently utilized in neuroscience for both therapeutic and research purposes. TMS offers critical medical services like treating major depression and is vital in almost every research facility. Because TMS relies on scalp placement, hair is thought to affect efficacy because it varies the distance to the target site.
View Article and Find Full Text PDFSubgaleal Collection: An Unusual Presentation of a Scalp Mass in a Pediatric Patient.
Cureus
June 2024
Department of Radiology, Texas Tech University Health Sciences Center, Lubbock, USA.
Subgaleal fluid collection is a rare phenomenon of scalp swelling among young infants and, in many cases, adolescents. As fluid accumulates in the subgaleal space, it presents as a soft, ill-defined, fluctuant, mobile swelling not limited to suture lines. This condition is associated with vacuum-assisted devices and forceps during delivery in infancy.
View Article and Find Full Text PDFConsiderations and recommendations on camouflage in alopecia in Black women.
Int J Womens Dermatol
October 2023
Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia.
Alopecia is among the leading dermatological concerns affecting Black women. For many women, hair is a central component of identity and self-expression, the loss of which can have significant psychosocial effects. Hair camouflage is often utilized to minimize the visibility of hair loss, provide aesthetic benefits, and improve quality of life.
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