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Observer-Based Robust Finite-Time Trajectory Tracking Control for a Stratospheric Satellite Subject to External Disturbance and Actuator Saturation

Shurui Huang, Yueneng Yang, Ye Yan, Shifeng Zhang et al. • International Journal of Aerospace Engineering (2022)

The stratospheric satellite is regarded as an ideal stratosphere flight platform and is able to accomplish various missions such as surveillance, earth observation, and remote sensing, which requires a robust and effective trajectory tracki...

DOAJ Open Access (DOAJ) DOI: 10.1155/2022/1601771

Blood pressure and mortality after percutaneous coronary intervention: a population-based cohort study

Chung-woo Lee, Joo Kyung Lee, Yeon Joo Choi, Hyunjin Kim et al. • Scientific Reports (2022)

Abstract Revascularization procedures, including percutaneous coronary intervention (PCI), for coronary artery disease (CAD) are increasingly performed in Korea. However, studies on blood pressure control targets in these patients remain in...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-022-06627-4

Evaluating key predictors of breast cancer through survival: a comparison of AFT frailty models with LASSO, ridge, and elastic net regularization

Senyefia Bosson-Amedenu, Emmanuel Ayitey, Francis Ayiah-Mensah, Luyton Asare • BMC Cancer (2025)

Abstract Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dime...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12885-025-14040-z

Smoking behavior change and the risk of pneumonia hospitalization among smokers with diabetes mellitus

Dong-Woo Han, Wonyoung Jung, Kyu Na Lee, Kyungdo Han et al. • Scientific Reports (2023)

Abstract Smoking patients with diabetes mellitus (DM) are at greater risk of developing pneumonia. How smoking behavior changes affect the risk of pneumonia hospitalization, however, remains unclear. Therefore, we investigated the associati...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-023-40658-9

Comprehensive analyses of m6A regulators and interactive coding and non-coding RNAs across 32 cancer types

Sipeng Shen, Ruyang Zhang, Yue Jiang, Yi Li et al. • Molecular Cancer (2021)

Abstract N6-Methyladenosine (m6A) is an RNA modification that interacts with numerous coding and non-coding RNAs and plays important roles in the development of cancers. Nonetheless, the clinical impacts of m6A interactive genes on these ca...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12943-021-01362-2

On Combined Maximal Precedence–Exceedance Test with Application to HIV Clinical Trials

Sylvester Sebola, Niladri Chakraborty, Morné Rowan Sjölander • Mathematics (2026)

This paper proposes a combined maximal precedence–exceedance test (MPErs) that integrates maximal precedence and maximal exceedance statistics tests to provide sensitivity to both early and late distributional differences between two sample...

DOAJ Open Access (DOAJ) DOI: 10.3390/math14203658

gllvm 2.0: fast fitting of advanced ordination methods and joint species distribution models

Pekka Korhonen, Francis K.C. Hui, Jenni Niku, Sara Taskinen et al. • PeerJ (2025)

Background Over the past decade, joint species distribution models (JSDMs) and model-based ordination have emerged as powerful tools for the analysis of community ecology data. Generalized linear latent variable models (GLLVMs) offer a flex...

DOAJ Open Access (DOAJ) DOI: 10.7717/peerj.20338

Empirical study on optimal reinsurance for crop insurance in China from an insurer's perspective

Xian-hua ZHOU, Yun-bo WANG, Hua-dong ZHANG, Ke WANG • Journal of Integrative Agriculture (2015)

This study investigates the optimal reinsurance for crop insurance in China in an insurer's perspective using the data from Inner Mongolia, Jilin, and Liaoning, China. On the basis of the loss ratio distributions modeled by AnHua Crop Risk ...

DOAJ Open Access (DOAJ) DOI: 10.1016/S2095-3119(14)60998-9

Modelling the adsorption of iron and manganese by activated carbon from teak and shea charcoal for continuous low flow

Worlanyo Kwadjo Siabi, Emmanuel Degraft-Johnson Owusu-Ansah, Helen Michelle Korkor Essandoh, Nana Yaw Asiedu • Water-Energy Nexus (2021)

Nearly 6494 boreholes with iron (Fe) and manganese (Mn) concentrations above permissible limits of 0.3 mg/L and 0.4 mg/L respectively in Ghana have been abandoned because of ineffective water treatment solutions. Activated carbon prepared f...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.wen.2021.02.001

Long-Term Prognosis and Systemic Impact of Acromegaly: Analyses Utilizing Korean National Health Insurance Data

Sangmo Hong, Kyungdo Han, Cheol-Young Park • Endocrinology and Metabolism (2025)

Acromegaly is a rare endocrine disorder caused by excessive growth hormone secretion. Its low prevalence poses challenges in studying its long-term prognosis and systemic effects. To address this research gap, we conducted five studies usin...

DOAJ Open Access (DOAJ) DOI: 10.3803/EnM.2024.2285

Modeling antiretroviral therapy adherence among people living with HIV: a cross-sectional study at Pantang Hospital, Ghana

Eric Nyarko, Irene A. Kretchy, Grace Lovia Allotey-Babington, Adwoa Oforiwaa Kwakye et al. • BMC Infectious Diseases (2026)

Abstract Background Poor adherence to antiretroviral therapy (ART) continues to undermine HIV treatment outcomes in sub-Saharan Africa, including Ghana. Objective This study aimed to quantify ART treatment adherence among people living with...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12879-026-13836-z

Seemingly unrelated time series model for forecasting the peak and short-term electricity demand: Evidence from the Kalman filtered Monte Carlo method

Frank Kofi Owusu, Peter Amoako-Yirenkyi, Nana Kena Frempong, Akoto Yaw Omari-Sasu et al. • Heliyon (2023)

In this extant paper, a multivariate time series model using the seemingly unrelated times series equation (SUTSE) framework is proposed to forecast the peak and short-term electricity demand using time series data from February 2, 2014, to...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e18821

An artificial neural network-based model for predicting paratransit travel time

George Ukam, Charles Adams, Atinuke Adebanji, Williams Ackaah • Cogent Engineering (2024)

The nature of paratransit services makes for increased uncertainty in trip time, leading to reported unreliability and dissatisfaction by the users. While providing travel information has proved helpful in formal bus services and has been r...

DOAJ Open Access (DOAJ) DOI: 10.1080/23311916.2024.2386383

The risk of colorectal cancer according to obesity status at four-year intervals: a nationwide population-based cohort study

Ji Yeon Seo, Eun Hyo Jin, Goh Eun Chung, Young Sun Kim et al. • Scientific Reports (2023)

Abstract Obesity is a risk factor for colorectal cancer. However, the effect of body weight change on colorectal cancer is uncertain. This study aimed to investigate the relationship between difference in body mass index and the risk of col...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-023-36111-6

How to measure consumer's inconsistency in sensory testing?

László Sipos, Kolos Csaba Ágoston, Péter Biró, Sándor Bozóki et al. • Current Research in Food Science (2025)

Consumer sensory testing is the basis for determining directions of product development in the food industry. However, while compliance assessment by trained and expert assessors is well developed, few information is available on testing co...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.crfs.2025.100982

Increased prevalence of loneliness and associated risk factors during the COVID-19 pandemic: findings from the Canadian Longitudinal Study on Aging (CLSA)

Susan A. Kirkland, Lauren E. Griffith, Urun Erbas Oz, Mary Thompson et al. • BMC Public Health (2023)

Abstract Background Older adults have been disproportionately impacted by COVID-19 and related preventative measures undertaken during the pandemic. Given clear evidence of the relationship between loneliness and health outcomes, it is impe...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12889-023-15807-4

The beneficial effects of menopausal hormone therapy on renal survival in postmenopausal Korean women from a nationwide health survey

Shin Young Ahn, Yoon Jin Choi, Jieun Kim, Gang Jee Ko et al. • Scientific Reports (2021)

Abstract Several studies have demonstrated the nephroprotective effects of estrogen on renal damage. In light of the inconsistent results of previous findings, this study aims to evaluate the in-depth role of menopausal hormone therapy (MHT...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-93847-9

Factors Affecting High Body Weight Variability

Kyungdo Han, Mee Kyoung Kim • Journal of Obesity & Metabolic Syndrome (2023)

Background : High body weight variability (BWV) is associated with many metabolic and cardiovascular diseases in adults. The study was designed to explore the baseline characteristics associated with high BWV. Methods : Using a nationally r...

DOAJ Open Access (DOAJ) DOI: 10.7570/jomes22063