Search results for: Sun Choi

Items from 1 to 20 out of 826 results

article

Oral habits and temporomandibular joint disorders according to stress levels among military personnel in South Korea: A cross‐sectional study

Ji‐Young Son, Ok‐Sun Choi, You‐Mi Kim

Journal of Oral Rehabilitation > 51 > 8 > 1499 - 1506

Background Military personnel suffer from stress‐induced temporomandibular joint disorders (TMD). No previous studies have evaluated the oral habits and TMD in military personnel based on their stress levels. Objectives To examine the correlation between oral habits and TMD based on stress levels. In addition, we assessed the relationship between stress levels and TMD by military rank as well as...

article

Effectiveness of calcipotriol/betamethasone dipropionate aerosol foam in patients with small versus large plaque psoriasis in routine practice in South Korea

Seong Jin Jo, Chul‐Jong Park, Chul Hwan Bang, Ki‐Heon Jeong, more

The Journal of Dermatology > 51 > 7 > 1010 - 1016

Small plaque psoriasis is the typical form of chronic plaque psoriasis affecting adults in South Korea. The effectiveness of calcipotriol/betamethasone dipropionate (Cal/BD) aerosol foam for large and small psoriasis plaques has not previously been examined. We performed a post hoc analysis of a recent, 4‐week observational study of Cal/BD aerosol foam use in routine clinical practice in South Korea...

article

Fc engineered anti‐virus therapeutic human IgG₁ expressed in plants with altered binding to the neonatal Fc receptor

Sol‐Ah Park, Yoonji Lee, Hyunjoo Hwang, Jeong Hwan Lee, more

Biotechnology Journal > 19 > 3 > n/a - n/a

Production of therapeutic monoclonal antibody (mAb) in transgenic plants has several advantages such as large‐scale production and the absence of pathogenic animal contaminants. However, mAb with high mannose (HM) type glycans has shown a faster clearance compared to antibodies produced in animal cells. The neonatal Fc receptor (FcRn) regulates the persistence of immunoglobulin G (IgG) by the FcRn‐mediated...

article

A Reflection on Sustainable Anode Materials for Electrochemical Chloride Oxidation

Seungwoo Choi, Won Il Choi, Jun‐Seo Lee, Chang Hyun Lee, more

Advanced Materials > 35 > 43 > n/a - n/a

Chloride oxidation is a key industrial electrochemical process in chlorine‐based chemical production and water treatment. Over the past few decades, dimensionally stable anodes (DSAs) consisting of RuO₂‐ and IrO₂‐based mixed‐metal oxides have been successfully commercialized in the electrochemical chloride oxidation industry. For a sustainable supply of anode materials, considerable efforts both from...

article

Housing insecurity and employment stability: An investigation of working mothers

Katherine E. Marçal, Mi Sun Choi, Kathryn Showalter

Journal of Community Psychology > 51 > 7 > 2790 - 2801

Little evidence informs the relationship between housing insecurity and employment for working mothers. The present study aimed to identify variation in work schedules and supports, as well as the link from housing insecurity to employment experiences in a sample of at‐risk mothers. Latent class analysis identified subtypes of employment stability; multinomial logistic regression estimated links from...

article

Growing threat of extended‐spectrum β‐lactamase‐producing Enterobacteriaceae colonisation in high‐risk pregnancies: A cross‐sectional study

Yun‐sun Choi, Jin‐Ha Kim, Yejin Kim, Hye Jung Cho, more

BJOG: An International Journal of Obstetrics & Gynaecology > 130 > 4 > 415 - 423

Objective To investigate the epidemiological changes in extended‐spectrum β‐lactamase‐producing Enterobacteriaceae (ESBL‐E) vaginal colonisation in pregnant women deemed at high risk, and to identify independent risk factors. Further, the differences in perinatal outcomes according to maternal ESBL‐E vaginal colonisation were analysed. Design Cross‐sectional study. Setting Republic of Korea....

article

High‐resolution knee plain radiography image synthesis using style generative adversarial network adaptive discriminator augmentation

Gun Ahn, Byung Sun Choi, Sunho Ko, Changwung Jo, more

Journal of Orthopaedic Research® > 41 > 1 > 84 - 93

In this retrospective study, 10,000 anteroposterior (AP) radiography of the knee from a single institution was used to create medical data set that are more balanced and cheaper to create. Two types of convolutional networks were used, deep convolutional GAN (DCGAN) and Style GAN Adaptive Discriminator Augmentation (StyleGAN2‐ADA). To verify the quality of generated images from StyleGAN2‐ADA compared...

article

CHARMM‐GUI Enhanced Sampler for various collective variables and enhanced sampling methods

Donghyuk Suh, Shasha Feng, Hwayoung Lee, Han Zhang, more

Protein Science > 31 > 11 > n/a - n/a

Enhanced sampling methodologies modifying underlying Hamiltonians can be used for the systems with a rugged potential energy surface that makes it hard to observe convergence using conventional unbiased molecular dynamics (MD) simulations. We present CHARMM‐GUI Enhanced Sampler, a web‐based tool to prepare various enhanced sampling simulations inputs with user‐selected collective variables (CVs)....

article

Astrocyte‐derived adenosine excites sleep‐promoting neurons in the ventrolateral preoptic nucleus: Astrocyte‐neuron interactions in the regulation of sleep

In‐Sun Choi, Jae‐Hong Kim, Ji‐Young Jeong, Maan‐Gee Lee, more

Glia > 70 > 10 > 1864 - 1885

Although ATP and/or adenosine derived from astrocytes are known to regulate sleep, the precise mechanisms underlying the somnogenic effects of ATP and adenosine remain unclear. We selectively expressed channelrhodopsin‐2 (ChR2), a light‐sensitive ion channel, in astrocytes within the ventrolateral preoptic nucleus (VLPO), which is an essential brain nucleus involved in sleep promotion. We then examined...

article

Effects of tacrolimus intrapatient variability and CYP3A5 polymorphism on the outcomes of pediatric kidney transplantation

Jin Sun Choi, Hyunmin Ko, Hyo Kee Kim, Chris Chung, more

Pediatric Transplantation > 26 > 6 > n/a - n/a

Background The intrapatient variability (IPV) of tacrolimus (Tac) is associated with the long‐term outcome of kidney transplantation. The CYP3A single‐nucleotide polymorphism (SNP) may affect the IPV of Tac. We investigated the impact of IPV and genetic polymorphism in pediatric patients who received kidney transplantation. Methods A total of 202 pediatric renal transplant recipients from 2000...

article

Magnetically Guidable Proteinaceous Adhesive Microbots for Targeted Locoregional Therapeutics Delivery in the Highly Dynamic Environment of the Esophagus (Adv. Funct. Mater. 46/2021)

Hyun Sun Choi, Yun Kee Jo, Gwang‐Noh Ahn, Kye Il Joo, more

Advanced Functional Materials > 31 > 46 > n/a - n/a

Adhesive Microbots In article number 2104602, Hyung Joon Cha and co‐workers develop orally administered proteinaceous adhesive microbots that are magnetically guidable in dynamic fluid‐associated tubular organs and retained for a prolonged period even after removal of the external magnetic field. The rationally balanced magnetic and adhesive properties of the proteinaceous soft microbots enable targeted...

article

Magnetically Guidable Proteinaceous Adhesive Microbots for Targeted Locoregional Therapeutics Delivery in the Highly Dynamic Environment of the Esophagus

Hyun Sun Choi, Yun Kee Jo, Gwang‐Noh Ahn, Kye Il Joo, more

Advanced Functional Materials > 31 > 46 > n/a - n/a

The esophagus is a tubular‐shaped muscular organ where swallowed fluids and muscular contractions constitute a highly dynamic environment. The turbulent, coordinated processes that occur through the oropharyngeal conduit can often compromise targeted administration of therapeutic drugs to a lesion, significantly reducing therapeutic efficacy. Here, magnetically guidable drug vehicles capable of strongly...

article

Reconstruction of Muscle Fascicle‐Like Tissues by Anisotropic 3D Patterning

Yoonhee Jin, Eun Je Jeon, Sohyeon Jeong, Sungjin Min, more

Advanced Functional Materials > 31 > 25 > n/a - n/a

Tissue engineering of skeletal muscle has been proposed as a potential regenerative treatment for extensive muscle damage. In this regard, the highly organized structure of skeletal muscles makes the alignment of cells especially indispensable in muscle tissue engineering. However, achieving the desired alignment continues to prove challenging, particularly in 3D engineered tissue constructs. In this...

article

Functional Skeletal Muscle Regeneration with Thermally Drawn Porous Fibers and Reprogrammed Muscle Progenitors for Volumetric Muscle Injury

Yoonhee Jin, Dena Shahriari, Eun Je Jeon, Seongjun Park, more

Advanced Materials > 33 > 14 > n/a - n/a

Skeletal muscle has an inherent capacity for spontaneous regeneration. However, recovery after severe injuries such as volumetric muscle loss (VML) is limited. There is therefore a need to develop interventions to induce functional skeletal muscle restoration. One suggested approach includes tissue‐engineered muscle constructs. Tissue‐engineering treatments have so far been impeded by the lack of...

article

Skeletal Muscle Regeneration: Functional Skeletal Muscle Regeneration with Thermally Drawn Porous Fibers and Reprogrammed Muscle Progenitors for Volumetric Muscle Injury (Adv. Mater. 14/2021)

Yoonhee Jin, Dena Shahriari, Eun Je Jeon, Seongjun Park, more

Advanced Materials > 33 > 14 > n/a - n/a

In article number 2007946, Polina Anikeeva, Seung‐Woo Cho, and co‐workers develop a hybrid muscle construct for skeletal muscle regeneration using synthetic polymer scaffolds engineered with decellularized muscle extracellular matrix and induced skeletal myogenic progenitor cells. Thermally drawn fiber scaffolds modified with muscle extracellular matrix provide the optimal mechani cal robustness and...

article

P‐14: Electrical Characteristics of P3HT:TIPS‐Pentacene Blend Organic Thin‐Film Transistor under Light Irradiation

Hyunji Shin, Jaehoon Park, Jong Sun Choi

SID Symposium Digest of Technical Papers > 51 > 1 > 1362 - 1364

The electrical characteristics of solution‐processed Poly(3‐hexylthiophene) and 6,13‐bis(triisopropylsilylethynyl)pentacene blend thin‐film transistors were investigated under various light irradiation wavelengths. We present the phototransistor that improved photoelectric effect through heterogeneous blending and expands the absorption region.

article

Antiviral activity of interferon‐stimulated gene 20, as a putative repressor binding to hepatitis B virus enhancer II and core promoter

Yong Kwang Park, Sun Young Lee, Ah Ram Lee, Kyung‐Chang Kim, more

Journal of Gastroenterology and Hepatology > 35 > 8 > 1426 - 1436

Background and Aim Interferon‐stimulated gene 20 (ISG20) is an interferon‐inducible exonuclease that inhibits the replication of several RNA viruses. In patients with chronic hepatitis B, ISG20 expression is related to the interferon‐α treatment response. However, the molecular mechanism of ISG20‐mediated anti‐hepatitis B virus (HBV) activity is unclear. Methods We have investigated the effect...

article

Asymmetric Total Syntheses of Kopsane Alkaloids via a PtCl₂‐Catalyzed Intramolecular [3+2] Cycloaddition

Xuelei Jia, Honghui Lei, Feipeng Han, Tao Zhang, more

Angewandte Chemie International Edition > 59 > 31 > 12832 - 12836

A concise and asymmetric total synthesis of five kopsane alkaloids that share a unique heptacyclic caged ring system was accomplished. The key transformation in the sequence involved a remarkable PtCl₂‐catalyzed intramolecular [3+2] cycloaddition, which allowed for the rapid assembly of pentacyclic carbon skeletons bearing 2,3‐quaternary functionalized indoline. Expeditious construction of diverse...

article

Asymmetric Total Syntheses of Kopsane Alkaloids via a PtCl₂‐Catalyzed Intramolecular [3+2] Cycloaddition

Xuelei Jia, Honghui Lei, Feipeng Han, Tao Zhang, more

Angewandte Chemie > 132 > 31 > 12932 - 12936

article

Clinical & pathologic features of lacrimal ductal cyst

Hye Sun Choi, Jae Woo Jang, Sung Joo Kim, Ji Sun Baek

Acta Ophthalmologica > 97 > S263 > n/a - n/a

Purpose To evaluate the clinicopathological features of lacrimal ductal cyst. Methods A retrospective study was performed on patients who underwent the surgery to remove the lacrimal ductal cyst at Kim’s Eye Hospital from January 2013 to December 2017. We analyzed the clinical data obtained from the medical records, including slit lamp examination and pathologic findings. Results 57 patients...

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INFONA - science communication portal

Search results for: Sun Choi

Oral habits and temporomandibular joint disorders according to stress levels among military personnel in South Korea: A cross‐sectional study

Effectiveness of calcipotriol/betamethasone dipropionate aerosol foam in patients with small versus large plaque psoriasis in routine practice in South Korea

Fc engineered anti‐virus therapeutic human IgG₁ expressed in plants with altered binding to the neonatal Fc receptor

A Reflection on Sustainable Anode Materials for Electrochemical Chloride Oxidation

Housing insecurity and employment stability: An investigation of working mothers

Growing threat of extended‐spectrum β‐lactamase‐producing Enterobacteriaceae colonisation in high‐risk pregnancies: A cross‐sectional study

High‐resolution knee plain radiography image synthesis using style generative adversarial network adaptive discriminator augmentation

CHARMM‐GUI Enhanced Sampler for various collective variables and enhanced sampling methods

Astrocyte‐derived adenosine excites sleep‐promoting neurons in the ventrolateral preoptic nucleus: Astrocyte‐neuron interactions in the regulation of sleep

Effects of tacrolimus intrapatient variability and CYP3A5 polymorphism on the outcomes of pediatric kidney transplantation

Magnetically Guidable Proteinaceous Adhesive Microbots for Targeted Locoregional Therapeutics Delivery in the Highly Dynamic Environment of the Esophagus (Adv. Funct. Mater. 46/2021)

Magnetically Guidable Proteinaceous Adhesive Microbots for Targeted Locoregional Therapeutics Delivery in the Highly Dynamic Environment of the Esophagus

Reconstruction of Muscle Fascicle‐Like Tissues by Anisotropic 3D Patterning

Functional Skeletal Muscle Regeneration with Thermally Drawn Porous Fibers and Reprogrammed Muscle Progenitors for Volumetric Muscle Injury

Skeletal Muscle Regeneration: Functional Skeletal Muscle Regeneration with Thermally Drawn Porous Fibers and Reprogrammed Muscle Progenitors for Volumetric Muscle Injury (Adv. Mater. 14/2021)

P‐14: Electrical Characteristics of P3HT:TIPS‐Pentacene Blend Organic Thin‐Film Transistor under Light Irradiation

Antiviral activity of interferon‐stimulated gene 20, as a putative repressor binding to hepatitis B virus enhancer II and core promoter

Asymmetric Total Syntheses of Kopsane Alkaloids via a PtCl₂‐Catalyzed Intramolecular [3+2] Cycloaddition

Asymmetric Total Syntheses of Kopsane Alkaloids via a PtCl₂‐Catalyzed Intramolecular [3+2] Cycloaddition

Clinical & pathologic features of lacrimal ductal cyst

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