Reset
Showing 20 of 1,342 academic articles

A novel sandwich ELISA method for quantifying CHI3L1 in blood serum and cerebrospinal fluid multiple sclerosis patients using sustainable photo-irradiated zero-valence gold nanoparticles

Marwa Saad Mohammed, Salwa H.N. Al-Rubaeꞌi, Ahmed Mahdi Rheima, Fatin Fadhel Al-Kazazz • Results in Chemistry (2024)

The widespread occurrence of chronic demyelinating MS presents a significant challenge for ongoing research aimed at comprehending its progression, diagnosis, and treatment. In our research, we have devised a novel approach to quantify CHI3...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rechem.2024.101856

Maxillary Resection Prosthesis Retained by Telescopic Crowns and a Rotational Latching Mechanism: A Case Report

Panagiota Chatzidou, Savvas Kamalakidis, John Fanourgiakis, Mathildi Tsekou et al. • Surgeries (2026)

Context: Prosthetic rehabilitation of acquired maxillary defects with Maxillary Resection Prostheses (MRPs) remains biomechanically challenging, particularly in partially edentulous patients, where conventional clasp-retained designs often ...

DOAJ Open Access (DOAJ) DOI: 10.3390/surgeries7020062

Lymphoid Enhancer Factor 1 Contributes to Hepatocellular Carcinoma Progression Through Transcriptional Regulation of Epithelial‐Mesenchymal Transition Regulators and Stemness Genes

Chih‐Li Chen, Yu‐Shuen Tsai, Yen‐Hua Huang, Yuh‐Jin Liang et al. • Hepatology Communications (2018)

Lymphoid enhancer factor 1 (LEF1) activity is associated with progression of several types of cancers. The role of LEF1 in progression of hepatocellular carcinoma (HCC) remains poorly known. We investigated LEF1 expression in HCC and its in...

DOAJ Open Access (DOAJ) DOI: 10.1002/hep4.1229

Physicochemical- and biocompatibility of oxygen and nitrogen plasma treatment using a PLA scaffold

Ali Davoodi, Homayoun H. Zadeh, Morteza Daliri Joupari, Mohammad Ali Sahebalzamani et al. • AIP Advances (2020)

Plasma surface treatment has a wide range of applications in biomedicine. In the present study, flat polylactic acid (PLA) films were treated with oxygen and nitrogen, low-pressure, non-thermal plasma. The water contact angle of the PLA fil...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0022306

A Pilot Study to Non-Invasively Track PIK3CA Mutation in Head and Neck Cancer

Henri Schmidt, Arutha Kulasinghe, Richard J.N. Allcock, Lit Yeen Tan et al. • Diagnostics (2018)

Background: PIK3CA pathways are the most frequently mutated oncogenic pathway in head and neck squamous cell carcinoma (HNSCC), including virally driven HNCs. PIK3CA is involved in the PI3K-PTEN-mTOR signalling pathway. PIK3CA has been impl...

DOAJ Open Access (DOAJ) DOI: 10.3390/diagnostics8040079

Structure and transport mechanism of P5B-ATPases

Ping Li, Kaituo Wang, Nina Salustros, Christina Grønberg et al. • Nature Communications (2021)

In human cells, P5B‐ATPases execute export of spermine from lysosomes to the cytosol, but the mechanisms of spermine recognition, uptake and transport remain elusive. Here the authors present cryo‐EM structures of a yeast homolog of human A...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-021-24148-y

Emergence of Carbapenem-Resistant Enterobacteriaceae in a Tertiary Care Hospital in Southern Thailand†

Prerit Upadhyaya ARYAL, Benjamas THAMJARUNGWONG, Kamonnut SINGKHAMANAN, Paramee THONGSUKSAI et al. • Walailak Journal of Science and Technology (2020)

Carbapenem-resistant Enterobacteriaceae (CRE) is emerging as a major problem in healthcare settings globally, including Thailand, due to limited therapeutic options. We reported the detection, antimicrobial susceptibility profiles, and the ...

DOAJ Open Access (DOAJ)

Complex Abdominal Wall Hernias: Structured Use of Adjuvant Therapies

Joana Marques‐Antunes, Egon Rodrigues, Marta Guimarães, Marta Guimarães et al. • Journal of Abdominal Wall Surgery (2025)

PurposeRepairing complex abdominal wall hernias is challenging, often requiring component separation techniques (CST) for tension-free closure. Adjuvant therapies, such as botulinum toxin type A (BTA), preoperative progressive pneumoperiton...

DOAJ Open Access (DOAJ) DOI: 10.3389/jaws.2025.14515

Crystal structure and Hirshfeld surface analysis of 4-allyl-2-methoxy-6-nitrophenol

Yassine El Ghallab, Sanae Derfoufi, El Mostafa Ketatni, Mohamed Saadi et al. • Acta Crystallographica Section E: Crystallographic Communications (2020)

The asymmetric unit of the title compound, C10H11NO4, which was synthesized via nitration reaction of eugenol (4-allyl-2-methoxyphenol) with a mixture of nitric acid and sulfuric acid, consists of three independent molecules of similar geom...

DOAJ Open Access (DOAJ) DOI: 10.1107/S2056989020002601

Resting-state EEG measures cognitive impairment in Parkinson’s disease

Md Fahim Anjum, Arturo I. Espinoza, Rachel C. Cole, Arun Singh et al. • npj Parkinson's Disease (2024)

Abstract Cognitive dysfunction is common in Parkinson’s disease (PD). We developed and evaluated an EEG-based biomarker to index cognitive functions in PD from a few minutes of resting-state EEG. We hypothesized that synchronous changes in ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41531-023-00602-0

Flavanol-Rich Cocoa Supplementation Inhibits Mitochondrial Biogenesis Triggered by Exercise

Jose Angel García-Merino, Beatriz de Lucas, Karen Herrera-Rocha, Diego Moreno-Pérez et al. • Antioxidants (2022)

The potential role of cocoa supplementation in an exercise context remains unclear. We describe the effects of flavanol-rich cocoa supplementation during training on exercise performance and mitochondrial biogenesis. Forty-two male enduranc...

DOAJ Open Access (DOAJ) DOI: 10.3390/antiox11081522

Housekeeping gene expression variability in differentiating and non-differentiating 3T3-L1 cells

Danang Dwi Cahyadi, Tomoko Warita, Nanami Irie, Kana Mizoguchi et al. • Adipocyte (2023)

ABSTRACTNormalization is a crucial step in gene expression analysis to avoid misinterpretation. Reverse transcription-quantitative polymerase chain reaction was used to measure the expression of 10 candidate housekeeping genes in non-differ...

DOAJ Open Access (DOAJ) DOI: 10.1080/21623945.2023.2235081

Injectable hyaluronic acid-collagen derived hydrogel based on component biomimetic as vitreous substitute

Shuo Wang, Jinhua Chi, Yanting Wang, Ruibao Ju et al. • Materials & Design (2026)

Vitrectomy is a common clinical treatment for fundus disease. Due to the non-renewable nature of the vitreous, artificial vitreous are usually required to replace natural vitreous to perform functions post operation. Silicone oil and gas, a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2026.115780

In vivo and in vitro toxicity of nanogold conjugated snake venom protein toxin GNP-NKCT1

Partha Pratim Saha, Tanmoy Bhowmik, Anjan Kumar Dasgupta, Antony Gomes • Toxicology Reports (2014)

Research on nanoparticles has created interest among the biomedical scientists. Nanoparticle conjugation aims to target drug delivery, increase drug efficacy and imaging for better diagnosis. Toxicity profile of the nanoconjugated molecules...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.toxrep.2014.04.007

Case reports of latent HBV hepatitis in patients after neurosurgical treatment for hypothalamic and pituitary tumors

Kuniyasu Niizuma, Yoshikazu Ogawa, Takayuki Kogure, Teiji Tominaga • BMC Infectious Diseases (2020)

Abstract Background Hepatitis B virus (HBV) infection is a major public health problem worldwide. More than 2 billion people have been exposed to HBV, and about 257 million individuals are chronic carriers of HBV. HBV reactivation has been ...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12879-020-04971-2

A Predictive Model Based on the Gut Microbiota Improves the Diagnostic Effect in Patients With Cholangiocarcinoma

Tan Zhang, Tan Zhang, Sina Zhang, Sina Zhang et al. • Frontiers in Cellular and Infection Microbiology (2021)

Cholangiocarcinoma (CCA) is a malignant hepatic tumor with a poor prognosis, which needs early diagnosis urgently. The gut microbiota has been shown to play a crucial role in the progression of liver cancer. Here, we explored a gut microbio...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcimb.2021.751795

Predicting hospital admissions from individual patient data (IPD): an applied example to explore key elements driving external validity

Rafael Perera, Marjan Van Den Akker, Kym I E Snell, Joerg J Meerpohl et al. • BMJ Open (2021)

Objective To explore factors that potentially impact external validation performance while developing and validating a prognostic model for hospital admissions (HAs) in complex older general practice patients.Study design and setting Using ...

DOAJ Open Access (DOAJ) DOI: 10.1136/bmjopen-2020-045572