Jin Wook Hwang

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In this study, we suggest in situ islet spheroid formation and encapsulation on a single platform without replating as a method for producing mono-disperse spheroids and minimizing damage to spheroids during encapsulation. Using this approach, the size of spheroid can be controlled by modulating the size of the concave well. Here, we used 300 μm concave(More)
Transplantation of insulin-secreting pancreatic islets can provide real-time regulation of blood glucose in patients with type 1 diabetes mellitus. Currently, noninvasive and repetitive monitoring of islet engraftment and function is an emerging and promising modality for successful islet transplantation. Here we report a new technique for highly sensitive(More)
Absorbable extracellular matrix (ECM) membrane has recently been used as a barrier membrane (BM) in guided tissue regeneration (GTR) and guided bone regeneration (GBR). Absorbable BMs are mostly based on collagen, which is more biocompatible than synthetic materials. However, implanted absorbable BMs can be rapidly degraded by enzymes in vivo. In a previous(More)
Low-grade endometrial stromal sarcoma (ESS) is an uncommon gynecologic malignancy of mesodermal origin. Pulmonary metastasis of low-grade ESS can occur years and decades after the treatment of the primary disease. Low-grade ESS is frequently mistaken as benign uterine neoplasm like uterine leiomyoma, which can potentially lead to a misdiagnosis. We present(More)
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