Publications by authors named "Chia Wei Yang"

Article Synopsis
  • - SERS (Surface Enhanced Resonance Raman) is an advanced technique that boosts the sensitivity of Raman spectroscopy using noble metal nanoparticles, but existing SERS-NPs can clump together in physiological environments, leading to less effective results.
  • - A new one-pot synthesis method has been developed to create stable and uniformly sized SERS-NPs, which enhances detection sensitivity and allows for the identification of different SERS-NPs through a specialized algorithm.
  • - A novel liposome-based method was introduced to attach a carbohydrate ligand to the SERS-NPs, increasing their ability to bind to the CD44 receptor in tumor cells; this improvement enabled real-time imaging of breast cancer in mice during surgery, showcasing significant potential for medical applications. *
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Article Synopsis
  • Metastasis is a major cause of death from breast cancer, often showing minimal symptoms until significant organ involvement.
  • Breast cancer multimodal imaging is beneficial as it combines different detection methods for more accurate results, utilizing glycoprotein CD44 for targeted delivery.
  • Researchers developed a new nanoparticle (NP-ICG-HA) for imaging that successfully identifies primary tumors and lung metastases in mouse models, highlighting its potential for noninvasive breast cancer diagnosis.
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Background: Alzheimer's disease (AD) is the most common neurodegenerative disorder with clinical presentations of progressive cognitive and memory deterioration. The pathologic hallmarks of AD include tau neurofibrillary tangles and amyloid plaque depositions in the hippocampus and associated neocortex. The neuronal aggregated tau observed in AD cells suggests that the protein folding problem is a major cause of AD.

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Background: Minimally invasive surgery had been tailored to individual cases of gastric subepithelial tumors (SETs) after comparing the clinical outcomes of endoscopic resection (ER), laparoscopic resection (LR), and hybrid methods.

Aim: To study the use of Goldilocks principle to determine the best form of minimally invasive surgery for gastric SETs.

Methods: In this retrospective study, 194 patients of gastric SETs with high probability of surgical intervention were included.

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Breast cancer is the leading cause of cancer-associated deaths among women. Techniques for non-invasive breast cancer detection and imaging are urgently needed. Multimodality breast cancer imaging is attractive since it can integrate advantages from several modalities, enabling more accurate cancer detection.

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Article Synopsis
  • Multispectral optoacoustic tomography (MSOT) is a valuable technique for understanding biological samples, but it typically takes a long time to capture high-resolution images.
  • This study introduces a deep learning model that combines recurrent and convolutional neural networks to efficiently generate cross-sectional images, allowing for a faster scan using multiple imaging modalities in one go.
  • By utilizing a contrast agent called ICG-conjugated nanoworms and reducing the number of necessary images, the new approach can cut down acquisition time by about 71%.
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Traditionally, a high-performance microscope with a large numerical aperture is required to acquire high-resolution images. However, the images' size is typically tremendous. Therefore, they are not conveniently managed and transferred across a computer network or stored in a limited computer storage system.

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Hyaluronan (HA) plays important roles in a wide range of biological events. The principal receptor of HA in the human body is the Cluster of Differentiation 44 (CD44). To enhance the binding between HA and CD44, a new approach was designed to take advantage of the four-component Ugi reaction.

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Background: Considering the widespread use of esophagogastroduodenoscopy, the prevalence of upper gastrointestinal (GI) subepithelial tumors (SET) increases. For relatively safer removal of upper GI SETs, endoscopic submucosal dissection (ESD) has been developed as an alternative to surgery. This study aimed to analyze the outcome of endoscopic resection for SETs and develop a prediction model for the need for laparoscopic and endoscopic cooperative surgery (LECS) during the procedure.

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Objectives: Visualization and photodocumentation during endoscopy procedures are suggested to be one indicator for endoscopy performance quality. However, this indicator is difficult to measure and audit manually in clinical practice. Artificial intelligence (AI) is an emerging technology that may solve this problem.

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Background: Sodium picosulfate/magnesium citrate (SPMC) is a small-volume bowel cleansing agent with similar efficacy to and better tolerability than polyethylene glycol. However, we found no data on which SPMC preparation (same-day vs. split-dose) provides better bowel cleansing efficacy for afternoon colonoscopy.

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The aim of this study was to analyze patients who underwent endoscopic resection (ER) for gastric subepithelial tumors (SETs) with a high probability of surgical intervention. Between January 2013 and January 2021, 83 patients underwent ER at the operation theater and 27 patients (32.5%) required backup surgery mainly due to incidental perforation or uncontrolled bleeding despite endoscopic repairing.

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CsPbI, as a rarely investigated member of the CsPbX (X is a halogen element) family, has been successfully synthesized at low temperatures, and the synthetic conditions have been optimized. Metal iodides such as LiI, KI, NiI, CoI, and ZnI, as additives, play an important role in enhancing the formation of the CsPbI microcrystals. ZnI with the lowest dissociation energy is the most efficient additive to supply iodide ions, and its amount of addition has also been optimized.

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Intercostal nerve block is a widely used and effective approach to providing regional anesthesia in the thoracic region for pain relief. However, during ultrasound-guided intercostal nerve block, inaccurate identification of the anatomic structures or suboptimal positioning of the needle tip may result in complications and blockade failure. In this study, we designed an intraneedle ultrasound (INUS) system and validated its efficacy in identifying anatomic structures relevant to thoracic region anesthesia.

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Telomere length homeostasis is essential for maintaining genomic stability and cancer proliferation. Telomerase-negative cancer cells undergo recombination-mediated alternative lengthening of telomeres. Telomeres associate with the nuclear envelope through the shelterin RAP1 and nuclear envelope SUN1 proteins.

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Introduction: Chronic hepatitis C virus (HCV) infection rates are high in the geriatric population considering that interferon-based therapy is usually intolerable. With the introduction of oral antiviral therapy for HCV, increased treatment tolerability and good treatment responses have been observed. However, treatment data regarding the geriatric population have been limited.

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The formation of an unprecedented 12-membered macrocyclic ketal through the long-range participation of a levulinoyl group across a glycosidic linkage was observed in glycosylation reactions. This finding indicated that stereodirecting participation is not limited to groups within the glycan ring being activated, thus broadening the scope of remote group participation in glycosylation.

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Introduction: Chronic hepatitis C virus (HCV) infection is increasingly observed in patients with renal disease. With the introduction of glecaprevir/pibrentasvir (GLE/PIB) as a pan-genotype therapy for HCV, treatment efficacy is expected to rise.

Materials And Methods: This retrospective study evaluated the efficacy and safety of GLE/PIB treatment in adults with HCV infection and end-stage renal disease (ESRD).

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Light-emitting diodes break barriers of size and performance for displays. With devices becoming smaller, the materials also need to get smaller. Chromium(III)-doped oxide phosphors, which emit near-infrared (NIR) light, have recently been used in small electronic devices.

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Upon environmental changes, proliferating cells delay cell cycle to prevent further damage accumulation. Yeast Cip1 is a Cdk1 and Cln2-associated protein. However, the function and regulation of Cip1 are still poorly understood.

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Telomere homeostasis is controlled by both telomerase machinery and end protection. Telomere shortening induces DNA damage sensing kinases ATM/ATR for telomerase recruitment. Yet, whether telomere shortening also governs end protection is poorly understood.

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Complementary coordination of two predesigned 2,2':6',2″-terpyridine-based ligands to a Zn ion led to the exclusive formation of a heteroleptic bis(terpyridine) complex under ambient conditions. This highly self-selective process was facilitated by 9-anthracenyl substituents at the 6,6″-positions of a terpyridine, which not only decelerated the formation rate of its homoleptic complex, but also provided π-stacking stabilization in the heteroleptic complex. Facile construction of metallo-supramolecular poly(3-hexylthiophene) (P3HT)-block-poly(ethylene oxide) (PEO) diblock copolymers was realized using the complementary ligand pair.

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