Search results for: Sang-Min Park

Items from 1 to 20 out of 183 results

article

Novel Dithienopyrrole‐Based Conjugated Copolymers: Importance of Backbone Planarity in Achieving High Electrical Conductivity and Thermoelectric Performance

Hansol Lee, Huan Li, Young‐Shin Kim, Sang Min Park, more

Macromolecular Rapid Communications > 43 > 19 > n/a - n/a

The development of conjugated polymers with structures that are suitable for efficient molecular doping and charge transport is a key challenge in the construction of high‐performance conjugated polymer‐based thermoelectric devices. In this study, three novel conjugated polymers based on dithienopyrrole (DTP) are synthesized and their thermoelectric properties are compared. When doped with p‐dopant,...

article

Progression of macular atrophy in patients undergoing anti‐vascular endothelial growth factor therapy for neovascular age‐related macular degeneration

Han Joo Cho, Sang Min Park, Jaemin Kim, Seung Kwan Nah, more

Acta Ophthalmologica > 99 > 4 > e540 - e546

Purpose To assess differences in the progression of macular atrophy (MA) between neovascular age‐related macular degeneration (AMD) subtypes and to identify the risk factors associated with the foveal involvement among patients with MA undergoing long‐term anti‐vascular endothelial growth factor (VEGF) treatment. Methods Eighty eyes of 80 patients with neovascular AMD who developed incident MA...

article

Phase Evolution During Extraction and Recovery of Pure Nd from Magnet

Mohammad Zarar Rasheed, Sun-Woo Nam, Sang-Hoon Lee, Sang-Min Park, more

Archives of Metallurgy and Materials > 2021 > Vol. 66, iss. 4 > 1001--1005

Liquid Metal Extraction process using molten Mg was carried out to obtain Nd-Mg alloys from Nd based permanent magnets at 900°C for 24 h. with a magnet to magnesium mass ratio of 1:10. Nd was successfully extracted from magnet into Mg resulting in ~4 wt.% Nd-Mg alloy. Nd was recovered from the obtained Nd-Mg alloys based on the difference in their vapor pressures using vacuum distillation. Vacuum...

article

Realizing Cancer Precision Medicine by Integrating Systems Biology and Nanomaterial Engineering

Jae Il Joo, Minsoo Choi, Seong‐Hoon Jang, Sea Choi, more

Advanced Materials > 32 > 35 > n/a - n/a

Many clinical trials for cancer precision medicine have yielded unsatisfactory results due to challenges such as drug resistance and low efficacy. Drug resistance is often caused by the complex compensatory regulation within the biomolecular network in a cancer cell. Recently, systems biological studies have modeled and simulated such complex networks to unravel the hidden mechanisms of drug resistance...

article

Precision Medicine: Realizing Cancer Precision Medicine by Integrating Systems Biology and Nanomaterial Engineering (Adv. Mater. 35/2020)

Jae Il Joo, Minsoo Choi, Seong‐Hoon Jang, Sea Choi, more

Advanced Materials > 32 > 35 > n/a - n/a

Systems‐biology can identify novel drug targets through computational analysis of cellular regulatory networks, and nanomaterial engineering can develop nanocarriers to deliver therapeutic agents to the specific target of cancer cells. In article number 1906783, Kwang‐Hyun Cho and co‐workers review the recent progress and challenges in systems biology and nanomedicine and their integration with a...

article

Efficacy of health coaching and a web‐based program on physical activity, weight, and distress management among cancer survivors: A multi‐centered randomised controlled trial

Young Ho Yun, Cheol Il Lim, Eun Sook Lee, Young Tae Kim, more

Psycho‐Oncology > 29 > 7 > 1105 - 1114

Objectives To investigate the efficacy of health coaching and a web‐based program on survivor physical activity (PA), weight, and distress management among stomach, colon, lung and breast cancer patients. Methods This randomised, controlled, 1‐year trial conducted in five hospitals recruited cancer survivors within 2 months of completing primary cancer treatment who had not met ≥1 of these behavioural...

article

Ion‐Selective Transport: Direct Fabrication of Freestanding and Patterned Nanoporous Junctions in a 3D Micro‐Nanofluidic Device for Ion‐Selective Transport (Small 22/2020)

Junhyun Kim, Sang Min Park, Dongwhi Choi, Dong Sung Kim

Small > 16 > 22 > n/a - n/a

In article number 2000998, Dong Sung Kim and co‐workers develop a direct fabrication process of a freestanding nanoporous junction in a microfluidic device through electrolyte‐assisted electrospinning followed by impregnating a nanoporous material. The broad applicability of this novel fabrication is demonstrated as two different types of micro‐nanofluidic devices performing reverse electrodialysis...

article

Direct Fabrication of Freestanding and Patterned Nanoporous Junctions in a 3D Micro‐Nanofluidic Device for Ion‐Selective Transport

Junhyun Kim, Sang Min Park, Dongwhi Choi, Dong Sung Kim

Small > 16 > 22 > n/a - n/a

In the field of micro‐nanofluidics, a freestanding configuration of a nanoporous junction is highly demanded to increase the design flexibility of the microscale device and the interfacial area between the nanoporous junction and microchannels, thereby improving the functionality and performance. This work first reports direct fabrication and incorporation of a freestanding nanoporous junction in...

article

Grayscale mask‐assisted photochemical crosslinking for a dense collagen construct with stiffness gradient

Hyeonjun Hong, Sang Min Park, Dohui Kim, Sung Jea Park, more

Journal of Biomedical Materials Research Part B: Applied Biomaterials > 108 > 3 > 1000 - 1009

Despite the potential of a collagen construct with a stiffness gradient for investigating cell–extracellular matrix (ECM) stiffness interaction or recapitulating an in vivo tissue interface, it has been developed in a limited way due to the low and poorly controllable mechanical properties of the collagen. This study proposes a novel fabrication process to achieve a compressed collagen construct with...

article

Effect of Magnet Scrap Size on the Extraction Behavior of Heavy Rare Earth Elements by Liquid Metal Extraction

Sun-Woo Nam, Mohammad Zarar Rasheed, Sang-Min Park, Sang-Hoon Lee, more

Archives of Metallurgy and Materials > 2020 > Vol. 65, iss. 4 > 1273--1276

Liquid metal extraction (LME) process results in 100% neodymium (Nd) extraction but the highest extraction efficiency reportedfor Dysprosium (Dy) so far is 74%. Oxidation of Dy is the major limiting factor for incomplete Dy extraction. In order to enhance the extraction efficiency and to further investigate the limiting factors for incomplete extraction, experiments were carried out on six different...

article

Effect of Mg Ratio on the Extraction of Dy from (Nd,Dy)-Fe-B Permanent Magnet Using Liquid Mg

Sang-Min Park, Sun-Woo Nam, Ju-Young Cho, Sang-Hoon Lee, more

Archives of Metallurgy and Materials > 2020 > Vol. 65, iss. 4 > 1281--1285

Recently, since the demand of rare earth permanent magnet for high temperature applications such as an electric motor has increased, dysprosium (Dy), a heavy rare earth element, is becoming important due to severe bias in its production. To fulfillthe increasing need of Dy, recycling offers as a promising alternative. In recycling of rare earths, Hydro-metallurgical extraction method is mainly used...

article

Analysis and Comparison of Topological Configurations for All-Metal Induction Cookers

Eunsu Jang, Sang Min Park, Dongmyoung Joo, Hyo Min Ahn, more

Journal of Electrical Engineering & Technology > 2019 > 14 > 6 > 2399-2408

In this study, three system approaches for implementing an all metal induction cooker are compared and analyzed. To perform equal and quantitative comparisons and analyses, the resonant network of each system is designed under equal input/output conditions using the same power semiconductor devices. Based on the comparison and analysis results, the appropriate method is applied to a 3.2 kW prototype...

article

Comparison of quality of life and health behaviors in survivors of acute leukemia and the general population

Koung Jin Suh, Dong-Yeop Shin, Inho Kim, Sung-Soo Yoon, more

Annals of Hematology > 2019 > 98 > 10 > 2357-2366

We aimed to compare the health-related quality of life and health behaviors of acute leukemia (AL) survivors with that of the general population from two cohorts. AL survivors (n = 149) completed a set of questionnaires to evaluate quality of life, mental status, and health behaviors. AL survivors had more physical and mental difficulties (problems with usual activities, 15% vs. 5%, p < 0.001;...

article

Extraciliary roles of the ciliopathy protein JBTS17 in mitosis and neurogenesis

Hyowon Hong, Kwangsic Joo, Sang Min Park, Jimyung Seo, more

Annals of Neurology > 86 > 1 > 99 - 115

Objective JBTS17 is a major gene mutated in ciliopathies such as Joubert syndrome and oral–facial–digital syndrome type VI. Most patients with loss of function mutations in JBTS17 exhibit cerebellar vermis hypoplasia and brainstem malformation. However, some patients with JBTS17 mutations show microcephaly and abnormal gyration. We examined potential roles of JBTS17 in neurogenesis to understand...

article

Systems analysis identifies potential target genes to overcome cetuximab resistance in colorectal cancer cells

Sang‐Min Park, Chae Young Hwang, Sung‐Hwan Cho, Daewon Lee, more

The FEBS Journal > 286 > 7 > 1305 - 1318

Cetuximab (CTX), a monoclonal antibody against epidermal growth factor receptor, is being widely used for colorectal cancer (CRC) with wild‐type (WT) KRAS. However, its responsiveness is still very limited and WT KRAS is not enough to indicate such responsiveness. Here, by analyzing the gene expression data of CRC patients treated with CTX monotherapy, we have identified DUSP4, ETV5, GNB5, NT5E, and...

article

Oral bisphosphonate use and the risk of female breast, ovarian, and cervical cancer: a nationwide population-based cohort study

Ye Seul Bae, Jooyoung Chang, Sang Min Park

Archives of Osteoporosis > 2019 > 14 > 1 > 1-8

SummaryBisphosphonate use was not associated with the risk of female breast, ovarian, or cervical cancer. The results according to bisphosphonate type or concurrent drug uses were not associated with the cancer risk. The protective effect of bisphosphonate use on female breast cancer was significant in the low comorbidity group. Purpose Despite the antitumor mechanisms, the effect of bisphosphonates...

article

Association among handgrip strength, body mass index and decline in cognitive function among the elderly women

Su-min Jeong, Seulggie Choi, Kyuwoong Kim, Sung Min Kim, more

BMC Geriatrics > 2018 > 18 > 1 > 1-9

Background The association between handgrip strength combined with body mass index (BMI) and cognitive impairment has not been thoroughly examined. We aimed to investigate whether the relationship between handgrip strength and risk of cognitive impairment is altered by the presence of obesity in older women. Methods A total of 544 older women aged over 65 years without cognitive impairment from...

article

Enhanced irreversible fixation of cesium by wetting and drying cycles in soil

Sang-Min Park, Jung-Seok Yang, Daniel C. W. Tsang, Daniel S. Alessi, more

Environmental Geochemistry and Health > 2019 > 41 > 1 > 149-157

The retention of radioactive cesium (Cs) in soil is significantly related to the types of clay minerals, while the weathering process affects the irreversible adsorption sites in clay minerals. In this study, the effect of weathering (exposure duration of Cs and repeated wetting and drying cycles) on fractionation of Cs in soils was investigated using fractionation analysis by the sequential extraction...

article

Brain Somatic Mutations in MTOR Disrupt Neuronal Ciliogenesis, Leading to Focal Cortical Dyslamination

Sang Min Park, Jae Seok Lim, Suresh Ramakrishina, Se Hoon Kim, more

Neuron > 2018 > 99 > 1 > 83-97.e7

Focal malformations of cortical development (FMCDs), including focal cortical dysplasia (FCD) and hemimegalencephaly (HME), are major etiologies of pediatric intractable epilepsies exhibiting cortical dyslamination. Brain somatic mutations in MTOR have recently been identified as a major genetic cause of FMCDs. However, the molecular mechanism by which these mutations lead to cortical dyslamination...

article

Infection following percutaneous vertebral augmentation with polymethylmethacrylate

Jae-Woo Park, Sang-Min Park, Hui Jong Lee, Choon-Ki Lee, more

Archives of Osteoporosis > 2018 > 13 > 1 > 1-10

SummaryAlthough the incidence of infection following vertebroplasty or kyphoplasty is rare, postoperative infection and cement augmentation in preexistent spondylitis can cause life-threatening complications in frail patients with notable comorbidities. In such cases, urgent culture and biopsy and the long-term use of proper antibiotics are necessary. Purpose Infection following vertebral augmentation...

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INFONA - science communication portal

Search results for: Sang-Min Park

Novel Dithienopyrrole‐Based Conjugated Copolymers: Importance of Backbone Planarity in Achieving High Electrical Conductivity and Thermoelectric Performance

Progression of macular atrophy in patients undergoing anti‐vascular endothelial growth factor therapy for neovascular age‐related macular degeneration

Phase Evolution During Extraction and Recovery of Pure Nd from Magnet

Realizing Cancer Precision Medicine by Integrating Systems Biology and Nanomaterial Engineering

Precision Medicine: Realizing Cancer Precision Medicine by Integrating Systems Biology and Nanomaterial Engineering (Adv. Mater. 35/2020)

Efficacy of health coaching and a web‐based program on physical activity, weight, and distress management among cancer survivors: A multi‐centered randomised controlled trial

Ion‐Selective Transport: Direct Fabrication of Freestanding and Patterned Nanoporous Junctions in a 3D Micro‐Nanofluidic Device for Ion‐Selective Transport (Small 22/2020)

Direct Fabrication of Freestanding and Patterned Nanoporous Junctions in a 3D Micro‐Nanofluidic Device for Ion‐Selective Transport

Grayscale mask‐assisted photochemical crosslinking for a dense collagen construct with stiffness gradient

Effect of Magnet Scrap Size on the Extraction Behavior of Heavy Rare Earth Elements by Liquid Metal Extraction

Effect of Mg Ratio on the Extraction of Dy from (Nd,Dy)-Fe-B Permanent Magnet Using Liquid Mg

Analysis and Comparison of Topological Configurations for All-Metal Induction Cookers

Comparison of quality of life and health behaviors in survivors of acute leukemia and the general population

Extraciliary roles of the ciliopathy protein JBTS17 in mitosis and neurogenesis

Systems analysis identifies potential target genes to overcome cetuximab resistance in colorectal cancer cells

Oral bisphosphonate use and the risk of female breast, ovarian, and cervical cancer: a nationwide population-based cohort study

Association among handgrip strength, body mass index and decline in cognitive function among the elderly women

Enhanced irreversible fixation of cesium by wetting and drying cycles in soil

Brain Somatic Mutations in MTOR Disrupt Neuronal Ciliogenesis, Leading to Focal Cortical Dyslamination

Infection following percutaneous vertebral augmentation with polymethylmethacrylate

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