Heat-Assisted Direct Photopatterning of Small-Molecule OLED Emitters at the Micrometer Scale.

A crucial step in fabricating full-color organic light-emitting diode (OLED) displays is patterning the emissive layer (EML). Traditional methods utilize thermal evaporation through metal masks. However, this limits the achievable resolution required for emerging microdisplay technologies.

Interrelation Between BMI, Dietary Habits, Self-Rated Health, and Body Image Perception Among Korean Adolescents: The Korea Youth Risk Behavior Web-Based Survey (2022).

Background/objectives: Adolescent obesity is highly likely to lead to adult obesity and is associated with dietary habits, subjective health, and body image perception. This study aimed to analyze the relationships between BMI, dietary habits, subjective health perception, and body image perception among Korean adolescents using data from the 18th Korea Youth Risk Behavior Survey conducted in 2022 to explore strategies for reducing adolescent obesity rates.

Methods: Data from 50,427 participants were analyzed, including BMI, seven lifestyle factors (intake frequencies of water, milk, fruit, soft drinks, vegetables, breakfast, and late-night snacks), and responses to one item each for subjective health perception and body image perception.

Phase angle in bioelectrical impedance analysis for assessing congestion in acute heart failure.

Background: The phase angle (PhA) in bioelectrical impedance analysis (BIA) reflects the cell membrane integrity or body fluid equilibrium. We examined how the PhA aligns with previously known markers of acute heart failure (HF) and assessed its value as a screening tool.

Methods: PhA was measured in 50 patients with HF and 20 non-HF controls along with the edema index (EI), another BIA parameter suggestive of edema.

A new species of the genus Heylaerts, 1885 (Lepidoptera, Psychidae) from Korea with its natural parasitoid enemy.

Roh & Lee, is described as new to science. The morphology of male adult, including genitalia, is described, and DNA barcodes for precise identification of the species are provided. A parasitoid, Townsend, 1916 (Diptera, Tachinidae) of is also reported for the first time in Korea, together with its DNA barcode sequence.

Malignant Pilomatricoma with Lung Metastases: A Case Report and Literature Review.

Malignant pilomatricoma, an extremely rare tumor arising from hair follicles, most commonly occurs on the head, neck, and back. This tumor exhibits several noteworthy characteristics. First, it frequently recurs if it is incompletely excised and can occasionally metastasize to the lungs, bones, and lymph nodes.

Impact of a Patient Portal-Based Telehealth Outreach Program on Recall of Patients with Diabetic Retinopathy.

To evaluate the effectiveness of a patient portal telehealth outreach program to return patients with diabetic retinopathy (DR) lost to follow-up (LTFU) for eye care. Patients with DR receiving intravitreal injection (IVI) therapy who were >90 days beyond recommended return were deemed LTFU. Outreach messages were sent via a patient portal, when available, or through the U.

Monoclonal nanobodies alter the activity and assembly of the yeast vacuolar H-ATPase.

The vacuolar ATPase (V-ATPase; VV) is a multi-subunit rotary nanomotor proton pump that acidifies organelles in virtually all eukaryotic cells, and extracellular spaces in some specialized tissues of higher organisms. Evidence suggests that metastatic breast cancers mislocalize V-ATPase to the plasma membrane to promote cell survival and facilitate metastasis, making the V-ATPase a potential drug target. We have generated a library of camelid single-domain antibodies (Nanobodies; Nbs) against lipid-nanodisc reconstituted yeast V-ATPase V proton channel subcomplex.

Controlled ligation and elongation of uniformly truncated amyloid nanofibrils.

This study investigates the production and inter-fibril interactions of uniformly truncated amyloid nanofibrils. By varying extrusion cycles (0, 50, and 100) and using carbonate filters with 100 nm and 200 nm pore sizes, precise fibril length control was achieved. Atomic force microscopy (AFM) confirmed that the mean length of the truncated fibrils corresponded to the respective pore size as extrusion cycles increased.

A Novel Cell-Penetrating Peptide-Vascular Endothelial Growth Factor Small Interfering Ribonucleic Acid Complex That Mediates the Inhibition of Angiogenesis by Human Umbilical Vein Endothelial Cells and in an Ex Vivo Mouse Aorta Ring Model.

Angiogenesis is mediated by vascular endothelial growth factor (VEGF), a protein that plays a key role in wound healing, inflammatory diseases, cardiovascular processes, ocular diseases, and tumor growth. Indeed, modulation of angiogenesis represents a potential approach to treating cancer and, as such, therapeutic approaches targeting VEGF and its receptors have been widely investigated as part of the broader search for curative interventions. Equally, RNA interference is a powerful tool for treating diseases, but its application as a disease treatment has been limited in part because of a lack of efficient small interfering RNA (siRNA) delivery systems.

Cerebellar Bergmann glia integrate noxious information and modulate nocifensive behaviors.

The cerebellum is activated by noxious stimuli and pathological pain but its role in noxious information processing remains unknown. Here, we show that in mice, cutaneous noxious electrical stimuli induced noradrenaline (NA) release from locus coeruleus (LC) terminals in the cerebellar cortex. Bergmann glia (BG) accumulated these LC-NA signals by increasing intracellular calcium in an integrative manner ('flares').

Splenic artery embolization for trauma: a narrative review.

The management of traumatic splenic injuries has evolved significantly over the past several decades, with the majority of these injuries now being treated nonoperatively. Patients who exhibit hemodynamic instability upon initial evaluation typically require surgical intervention, while the remainder are managed conservatively. Conservative treatment for traumatic splenic injuries encompasses both medical management and splenic artery angiography, followed by embolization in cases where patients exhibit clinical signs of ongoing splenic hemorrhage.

Cardiovascular Etiologies and Risk Factors of Survival Outcomes After Resuscitation for Out-of-Hospital Cardiac Arrest: Data From the KoCARC Registry.

Background And Objectives: The outcomes and characteristics of out-of-hospital cardiac arrest (OHCA) vary across geographic regions. The etiologies and prognoses of OHCA in Asian populations remain less established. This study aimed to investigate the etiologies and clinical characteristics of patients successfully resuscitated after OHCA and to identify predictors of survival outcomes.

Associations of the Korean patient placement criteria matching among individuals with alcohol-related problems with treatment completion and abstinence: an observational study.

Background: The American Society of Addiction Medicine Patient Placement Criteria (ASAM PPC) are guidelines for matching addiction patients to an optimal level of care (LOC). South Korea lacked a systematic approach to assigning alcohol use disorder patients to suitable treatment. To address this, Park et al.

The ecological system's influence on physical activities of older adults: comparison between older men and women.

Background: Korea is expected to become a super-aged society by 2025. Research has shown that regular participation in physical activity has a positive impact on older adults' health and reduces national health costs.

Aims: Drawing on Bronfenbrenner's ecological model, this study examines ecological systems that influence physical activity in older men and women.

Effects of total microbiota-containing backslop from 450-day-fermented kimchi on microbe and metabolite dynamics.

This study examines the impact of the complex microbiota from long-term fermented kimchi, used as a backslop, on fermentation dynamics. The fermentation was conducted with autoclaved (group A) and non-autoclaved (NA) starter cultures. Bacterial and fungal communities were analyzed with 16S rRNA gene V4 and ITS2 region, respectively, and metabolites were profiled using gas chromatography-mass spectrometry.

Linear Ablation Using a Contact Force-Sensing Catheter in Ablation for Persistent Atrial Fibrillation: A Prospective Randomized Trial.

: Pulmonary vein isolation (PVI) using radiofrequency catheter ablation with contact force (CF)-sensing technology has improved long-term outcomes in patients with atrial fibrillation. This prospective randomized study aimed to assess the efficacy and safety of CF-sensing technology for additional left atrial (LA) linear ablation of persistent AF (PerAF). : After PVI, anteromitral (AM) line and roof line ablation were performed using a CF-sensing catheter.

Efficacy of Shoulder Rehabilitation Post-Cardiac Implantable Electronic Device Implantation.

: Cardiac implantable electronic devices (CIEDs) can prevent ventricular arrhythmia-related sudden cardiac death but cause paradoxical discomfort that impairs daily living and quality of life. No management guidelines exist for reducing pain, improving motion around the CIED implantation site, or preventing shoulder contractures. We evaluated the impact of continuous successive shoulder rehabilitation programs for CIED patients on reducing shoulder pain, improving shoulder range of motion, and patient satisfaction in daily living.

Thermo-responsive 3D nanostructures for enhanced performance in food-poisoning bacterial analysis.

The growing risk of bacterial food poisoning due to global warming has necessitated the development of methods for accurate detection of food-poisoning bacteria. Despite extensive efforts to develop enhanced bacterial-capture methods, challenges associated with the release of the captured bacteria have limited the sensitivity of bacterial detection. In this study, thermo-responsive intelligent 3D nanostructures to improve food-poisoning bacterial analysis performance were fabricated by introducing a thermo-responsive polymer onto an urchin-like 3D nanopillar substrate (URCHANO).

Unraveling membrane protein localization and interactions in nanodiscs.

Nanodiscs, consisting of a lipid bilayer surrounded by membrane scaffold proteins (MSPs), are extensively used to study membrane proteins (MPs) because they provide a stable lipid environment. However, the precise mechanism governing MP behavior within the nanodisc remains elusive. Here, we examined the cryo-EM structures of various MPs reconstituted in nanodiscs from EMPIAR.

Correlation Between Physical Activity and Learning Concentration, Self-Management, and Interpersonal Skills Among Korean Adolescents.

This study aimed to investigate the association between physical activity participation and key developmental competencies-learning concentration, self-management, and interpersonal skills-among Korean adolescents. Data were drawn from the 2021 Study on the State of Play Culture of Children and Adolescents and Measures to Support Growth, conducted by the Korea Adolescent Policy Institute. The study participants included elementary, middle, and high school students in Korea, consisting of 1507 males (53.

Synergistic coating of Laponite swollen-layer and heparin composite for enhanced antifouling and antithrombotic performance.

When implantable medical devices come into contact with blood, acute thrombosis and inflammation often occur due to the adhesion and denaturation of plasma proteins, ultimately degrading device performance. To address this issue, we developed a gel-like coating with superhydrophilic properties, incorporating a heparin based outer layer designed to minimize foreign body reactions and enhance hemocompatibility. The coating was engineered using a layer-by-layer (LbL) assembly of poly-l-lysine (PLL), laponite (Lap), and heparin (Hep), utilizing electrostatic interactions.

Dynamics of blood Taurine concentration and its correlation with nutritional and physiological status during the fattening period of Japanese black cattle.

Taurine, biosynthesized from methionine or cysteine in the liver, plays a crucial regulatory role in bile acid conjugation, antioxidant effects, and glucose and cholesterol metabolism. This may influence the metabolic changes associated with fat accumulation in beef cattle. However, the physiological role of taurine in this species has not been fully elucidated.