A5013227767- Vascular Procedures and Complications
- Hepatocellular Carcinoma Treatment and Prognosis
- Advancements in Battery Materials
- Nanoparticle-Based Drug Delivery
- Neuroendocrine Tumor Research Advances
- Infectious Aortic and Vascular Conditions
- Pancreatic and Hepatic Oncology Research
- Characterization and Applications of Magnetic Nanoparticles
- Gastrointestinal disorders and treatments
- Supercapacitor Materials and Fabrication
- Advanced MRI Techniques and Applications
- MRI in cancer diagnosis
- Neuroblastoma Research and Treatments
- Ethics in medical practice
- Aortic aneurysm repair treatments
- Gallbladder and Bile Duct Disorders
- Advanced Nanomaterials in Catalysis
- Vascular Anomalies and Treatments
- Lung Cancer Research Studies
- Infrastructure Maintenance and Monitoring
- Neutropenia and Cancer Infections
- Renal cell carcinoma treatment
- Central Venous Catheters and Hemodialysis
- Pancreatic function and diabetes
- Water Systems and Optimization
Dankook University Hospital
2009-2023
Korea Advanced Institute of Science and Technology
2010-2022
University of Ulsan
2022
Asan Medical Center
2022
Ulsan College
2022
Kangwon National University
2021
Hanyang University
2020
Kyung Hee University
2012-2020
Seoul National University
2007-2019
Korea National Institute of Health
2014-2019
Mesoporous silica-coated hollow manganese oxide (HMnO@mSiO(2)) nanoparticles were developed as a novel T(1) magnetic resonance imaging (MRI) contrast agent. We hypothesized that the mesoporous structure of nanoparticle shell enables optimal access water molecules to core, and consequently, an effective longitudinal (R(1)) relaxation enhancement protons, which value was measured be 0.99 (mM(-1)s(-1)) at 11.7 T. Adipose-derived mesenchymal stem cells (MSCs) efficiently labeled using...
Magnetic nanoparticles have gained significant attention as a therapeutic agent for cancer treatment. Herein, we developed chitosan oligosaccharide-stabilized ferrimagnetic iron oxide nanocubes (Chito-FIONs) an effective heat nanomediator hyperthermia. Dynamic light scattering and transmission electron microscopic analyses revealed that Chito-FIONs were composed of multiple 30-nm-sized FIONs encapsulated by polymer shell. Multiple in interior increased the total magnetic moments, which leads...
The theoretically predicted maximum r(2) relaxivity of iron oxide nanoparticles was achieved by optimizing the overall size ferrimagnetic nanocubes. Uniform-sized nanocubes with an edge length 22 nm, encapsulated PEG-phospholipids (WFION), exhibited high colloidal stability in aqueous media. In addition, WFIONs are biocompatible and did not affect cell viability at concentrations up to 0.75 mg Fe/ml. Owing enhanced (761 mM(-1) s(-1)), it possible successfully perform vivo MR imaging tumors...
Extensive applications of rechargeable lithium-ion batteries (LIBs) to various portable electronic devices and hybrid electric vehicles result in the increasing demand for development electrode materials with improved electrochemical performance including high energy, power density, excellent cyclability, while maintaining low production cost. Here, we present a direct synthesis ferrite/carbon nanosheets battery anodes. Uniform-sized ferrite nanocrystals carbon were synthesized...
We synthesized various hollow oxide nanoparticles from as-prepared MnO and iron nanocrystals. Heating metal nanocrystals dispersed in technical grade trioctylphosphine (TOPO) at 300 degrees C for hours yielded retaining the size shape uniformity of original The method was highly reproducible could be generalized to synthesize sizes, shapes, compositions. Control experiments revealed that impurities TOPO, especially alkylphosphonic acid, were responsible etching structures. Elemental mapping...
For ultrasensitive magnetic resonance imaging (MRI), nanoparticles with extremely high r2 relaxivity are strongly desired. Magnetosome-like were prepared by coating polyethylene glycol-phospholipid (PEG-phospholipid) onto ferrimagnetic iron oxide nanocubes (FIONs). FIONs exhibited a very (r2) of 324 mM -1 s , allowing efficient labeling various kinds cells. The (MR) single cells labeled is demonstrated not only in vitro but also vivo. Pancreatic islet grafts and their rejection could be...
Heterostructured nanoparticles composed of metals and Fe3O4 or MnO were synthesized by thermal decomposition mixtures metal−oleate complexes (for the oxide component) metal−oleylamine metal component). The products included flowerlike-shaped Pt−Fe3O4 Ni−Fe3O4 snowmanlike-shaped Ag−MnO Au−MnO. Powder X-ray diffraction patterns showed that these face-centered cubic (fcc)-structured fcc-structured metals. relaxivity values Au−MnO Au−Fe3O4 similar to those nanoparticles, respectively....
We report a simple synthetic method of carbon-based hybrid cellular nanosheets that exhibit outstanding electrochemical performance for many key aspects lithium-ion battery electrodes. The consist close-packed cubic cavity cells partitioned by carbon walls, resembling plant leaf tissue. loaded with SnO2 nanoparticles vapor deposition and tested the resulting SnO2–carbon as anode materials. specific capacity is 914 mAh g–1 on average retention 97.0% during 300 cycles, reversible decreased...
Lamellar structured ultrathin manganese oxide nanoplates have been synthesized from thermal decomposition of manganese(II) acetylacetonate in the presence 2,3-dihydroxynaphthalene, which promoted two-dimensional (2-D) growth by acting not only as a strongly binding surfactant but also structure-directing agent. Ultrathin with thickness about 1 nm were assembled into lamellar structure, and width could be controlled 8 to 70 using various coordinating solvents. X-ray absorption near-edge...
Multicentre study.To define the clinical characteristics of patients with tuberculosis (TB) destroyed lung due to past TB.We reviewed TB-destroyed between May 2005 and June 2011.A total 595 from 21 hospitals were enrolled. The mean age was 65.63 ± 0.47 (mean standard error); 60.5% male. number lobes involved 2.59 0.05. Pleural thickening observed in 54.1% patients. Mean forced vital capacity (FVC), expiratory volume 1 s (FEV(1)), FEV(1)/FVC, bronchodilator response exacerbations per year...
Objective:The objective of this study was to evaluate the safety and therapeutic efficacy percutaneous radiofrequency (RF) ablation for treatment hepatocellular carcinomas (HCCs) adjacent gallbladder with use internally cooled electrodes. Materials Methods:We retrospectively assessed 45 patients 46 HCCs (mean size, 2.2 cm) ( 1.0 treated RF using an electrode system.An inserted into tumor either parallel (n = 38) or perpendicular 8) wall.The procedures were clinical imaging follow-up...
To evaluate immediate and long-term outcomes of bronchial artery embolisation (BAE) for the treatment haemoptysis in patients with pulmonary tuberculosis (TB), to clarify factors that influence recurrence.Of 398 who underwent BAE between January 2004 June 2009, 169 were retrospectively reviewed. All had either a history TB or current diagnosis TB. Follow-up ranged from 1 day 66 months.Haemoptysis was stopped markedly decreased, subsequent clinical improvement, 163 (96.4%); 50 symptoms...
Background Rupture of hepatocellular carcinoma (HCC) is a life-threatening condition accompanied by hemorrhage. Transarterial embolization/chemoembolization (TAE/TACE) can be used as the first-line treatment to achieve initial homeostasis. Purpose To investigate outcome TAE/TACE for spontaneous ruptured HCC and determine prognostic factors affecting survival. Material Methods We retrospectively reviewed clinicoradiologic data 47 patients (8 women, 39 men; median age 64.4 years) with serum...
Abstract Purpose To examine the relationship between average hospital length of stay (LOS) nursing units and work demands perceived by nurses, nurses’ health job outcomes. Design A cross‐sectional study using nurse survey data collected in a tertiary university Seoul, South Korea, 2013 including 746 staff nurses working on 36 general, oncology, or intensive care units. Methods Each unit's LOS was categorized as short (1st quartile), medium (2nd 3rd quartiles), long (4th quartile). Work...
Background: The complexity and variety of ethical issues in nursing is always increasing, those lead to special concerns for nurses because they have critical impacts on practice. Research objectives: purpose this study was gather comprehensive information about practice, comparing the different types units including general units, oncology intensive care operating rooms, outpatient departments. design: used a descriptive research design. Ethics/human rights encountered by their daily...
Sepsis is a leading cause of mortality in patients with neutropenia; however, data on whether neutropenic sepsis associated distinct clinical characteristics and outcomes are limited. Thus, this study was designed to clarify the compared those without diagnosed based Third International Consensus Definitions for Septic Shock criteria.We analyzed from Korean Alliance, nationwide prospective multicenter cohort evaluating characteristics, management, September 2019 February 2020. Eligible were...
Ultrathin titanate nanosheets of 0.5 nm thickness were successfully synthesized from the non-hydrolytic sol–gel reaction tetraoctadecyl orthotitanate via a heat-up method. The easily assembled to be layer structures by being reacted with hydroxide ions in basic solutions such as LiOH, NaOH, and KOH. hydrophobic surface was also modified hydrophilic through an assembly process. structured employed anode materials for lithium ion batteries visualize fast charging discharging effects utilizing...
Abstract Three-dimensional stackable memory frames involving the integration of two-terminal scalable crossbar arrays are expected to meet demand for high-density storage, fast switching speed, and ultra-low power operation. However, introduce an unintended sneak path, which inevitably requires bidirectional nonlinear selectors. In this study, advanced threshold (TS) features ZnTe chalcogenide material-based selectors provide behavior, nonlinearity 10 4 , speed less than 100 ns, endurance...
To evaluate the three-phase helical CT features of early hepatocellular carcinomas, based on new Japanese classification.