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Prevalence and factors associated with continual opioid use among patients attending methadone clinic at Mwananyamala Hospital, Dar Es Salaam, Tanzania

Asha Shabani Ripanda, Bajarang Bal Lal Srivastava, Said Hamad Vuai, Azan A Nyundo • Forensic Science International: Reports (2019)

Trends of continual drug use while under treatment have been reported worldwide. This paper assesses opioid use among patients receiving treatment in a methadone clinic for opioid addiction. A total of 126 urine samples were analyzed using ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.fsir.2019.100037

miR-3113-5p, miR-223-3p, miR-133a-3p, and miR-499a-5p are sensitive biomarkers to diagnose sudden cardiac death

Fengping Yan, Yuanyuan Chen, Xing Ye, Fu Zhang et al. • Diagnostic Pathology (2021)

Abstract Background Sudden cardiac death (SCD) remains a great health threat and diagnostic challenge, especially those cases without positive autopsy findings. Molecular biomarkers have been urgently needed for the diagnosis of SCD display...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13000-021-01127-x

Comparative analysis of chemical toxicological studies of pregabalin in neuropathic pain management (review)

Nargiz Parkhatkyzy, Alma Shukirbekova, Zumrad Usmanalieva, Kundyzay Mirzakir et al. • Journal of Pharmacy & Pharmacognosy Research (2026)

Context: The use of pregabalin in neuropathic pain management has been increasingly associated with concerns regarding toxicity, particularly in cases of overdose, misuse, and co-exposure with central nervous system depressants. In parallel...

DOAJ Open Access (DOAJ) DOI: 10.56499/jppres_14.3.2550

Lipofuscin: Wear Pigment or Alarm Signal for Cardiac AlloGraft Vasculopathy?

Anca Otilia Farcas, Mihai Ciprian Stoica, Septimiu Voidazan, Carmen Corina Radu et al. • Diagnostics (2026)

Background: CAV (cardiac allograft vasculopathy) is considered the leading cause of late post-transplant mortality and affects approximately 50% of transplant patients at 10 years post-transplant. Its etiopathogenetic mechanism is considere...

DOAJ Open Access (DOAJ) DOI: 10.3390/diagnostics16152432

Simultaneous analysis of creatinine and uric acid in human urine samples using mean centering, ratio subtraction, and derivative spectrophotometric techniques as a green analytical protocol

Dashty K. Ali, Hemn A. Qader, Nabil A. Fakhre • Green Analytical Chemistry (2025)

Four rapid, accurate, and straightforward derivative spectrophotometric methods were developed to quantify a binary mixture of creatinine (CRT) and uric acid (UA) in human urine samples. The first technique was based on a zero-crossing tech...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.greeac.2025.100289

Improving Minutiae Image of Latent Fingerprint Detection on Non-Porous Surface Materials under UV Light Using Sulfur Doped Carbon Quantum Dots from Magnolia Grandiflora Flower

David Nugroho, Won-Chun Oh, Saksit Chanthai, Rachadaporn Benchawattananon • Nanomaterials (2022)

In this study, carbon quantum dots (CQDs) from Magnolia Grandiflora flower as a carbon precursor were obtained using a hydrothermal method under the optimized conditions affected by various heating times (14, 16, 18, and 20 min) and various...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano12193277

Preparation of Modified Kaolin Filler with Cesium and Its Application in Security Paper

Houssni El-Saied, Samya El-Sherbiny, Omnia Ali, Wafaa El-Saied et al. • Advances in Materials Science and Engineering (2013)

In this study, cesium was added intentionally during paper manufacture for protecting the papers against forgery and counterfeiting by sorbing cesium ions (Cs+) on kaolin, used as special filler in papermaking. The sorption of cesium from a...

DOAJ Open Access (DOAJ) DOI: 10.1155/2013/274245

Does wet-cupping therapy improve repeated sprint ability, perceived wellness, and rating of perceived exertion in young active males?

Ismail Dergaa, Amine Ghram, Mohamed Romdhani, Amine Souissi et al. • Sports Medicine and Health Science (2024)

Wet-cupping therapy (WCT) is one of the oldest known medical techniques, used as a traditional and complementary therapy with a wide application all around the world for general health. Research on the effects of WCT on sports performance a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.smhs.2023.09.007

Performance of Different Cotton and Nylon Swabs on DNA Recovery and Storage

Mohammed Alrahma, Hanan Almulla, Suaad Alshehhi, Maryam Almuhairi et al. • Arab Journal of Forensic Sciences & Forensic Medicine (2023)

Touch DNA samples are routine yet challenging pieces of evidence that provide investigators with information that helps them solve crimes. However, this type of evidence can be easily lost if the correct collection method is not used. This ...

DOAJ Open Access (DOAJ) DOI: 10.26735/YQMY9190

Optimization of Bacillus cereus Fermentation Process for Selenium Enrichment as Organic Selenium Source

Xujun Chen, Shuyi Li, Xin Cong, Xin Cong et al. • Frontiers in Nutrition (2020)

Selenium is an essential trace element and micronutrient for human health. Application of organic selenium in plants and microorganisms as trace element supplement is attracting more and more attention. In this study, Bacillus cereus, an im...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnut.2020.543873

Cadmium sulfide-induced toxicity in the cortex and cerebellum: In vitro and in vivo studies

Atefeh Varmazyari, Ali Taghizadehghalehjoughi, Cigdem Sevim, Ozlem Baris et al. • Toxicology Reports (2020)

Living organisms have an innate ability to regulate the synthesis of inorganic materials, such as bones and teeth in humans. Cadmium sulfide (CdS) can be utilized as a quantum dot that functions as a unique light-emitting semiconductor nano...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.toxrep.2020.04.011

Green Synthesized Zinc Oxide Nanoparticles Using <i>Moringa olifera</i> Ethanolic Extract Lessens Acrylamide-Induced Testicular Damage, Apoptosis, and Steroidogenesis-Related Gene Dysregulation in Adult Rats

Gomaa Mostafa-Hedeab, Amany Behairy, Yasmina M. Abd-Elhakim, Amany Abdel-Rahman Mohamed et al. • Antioxidants (2023)

This study assessed the possible protective role of green synthesized zinc oxide nanoparticles using Moringa olifera leaf extract (MO-ZNPs) in acrylamide (ACR)-induced reproductive dysfunctions in male rats. ACR (20 mg/kg b.wt/day) and/or M...

DOAJ Open Access (DOAJ) DOI: 10.3390/antiox12020361

From plants to patterns: Constructing a comprehensive online strontium isoscape for Belgium (IsoBel) using high density grid mapping

Amanda Sengeløv, Giacomo Capuzzo, Sarah Dalle, Hannah F. James et al. • Geoderma (2025)

Understanding the spatial distribution of strontium isotopes in plants or other archives within a region is crucial for various fields, including archaeology, environmental studies, food sciences and forensic science. This study aims to cre...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.geoderma.2024.117123

Building evidences in Public Health Emergency Preparedness (“BePHEP” Project)—a systematic review

Michelangelo Mercogliano, Gloria Spatari, Chiara Noviello, Francesca Di Serafino et al. • International Journal for Equity in Health (2025)

Abstract Introduction Humanitarian crises exacerbate the vulnerability of already fragile healthcare systems and significantly increase the risk of infectious disease outbreaks in low- and middle-income countries (LMICs). This systematic re...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12939-025-02382-w

Alterations in the gut microbiota and its metabolites contribute to metabolic maladaptation in dairy cows during the development of hyperketonemia

Zhengzhong Luo, Zhenlong Du, Yixin Huang, Tao Zhou et al. • mSystems (2024)

ABSTRACTMetabolic maladaptation in dairy cows after calving can lead to long-term elevation of ketones, such as β-hydroxybutyrate (BHB), representing the condition known as hyperketonemia, which greatly influences the health and production ...

DOAJ Open Access (DOAJ) DOI: 10.1128/msystems.00023-24

Analysis of the ex-vivo transformation of semen, saliva and urine as they dry out using ATR-FTIR spectroscopy and chemometric approach

Tanurup Das, Abhimanyu Harshey, Ankit Srivastava, Kriti Nigam et al. • Scientific Reports (2021)

Abstract The ex-vivo biochemical changes of different body fluids also referred as aging of fluids are potential marker for the estimation of Time since deposition. Infrared spectroscopy has great potential to reveal the biochemical changes...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-91009-5

Hospitalisations for physical abuse in infants and children less than 5 years, 2013‒2021: a multinational cohort study using administrative data from five European countries

Catherine Quantin, Jonathan Cottenet, Colleen Chambers, Natasha Kennedy et al. • International Journal of Population Data Science (2025)

Objectives Child physical abuse (CPA) is a global public health problem associated with lifelong negative consequences, yet reliable epidemiologic data are lacking. We did a multinational cohort study to analyse trends in CPA hospitalisatio...

DOAJ Open Access (DOAJ) DOI: 10.23889/ijpds.v10i3.3028

Evaluation of nutrients in bread: a systematic review

Zahra Aghalari, Hans-Uwe Dahms, Mika Sillanpää • Journal of Health, Population and Nutrition (2022)

Abstract Background A balanced and optimized amount of nutrients in bread, which is the main food in many countries, is necessary to maintain human health. Considering the importance of nutritional values of bread in the food basket of Iran...

DOAJ Open Access (DOAJ) DOI: 10.1186/s41043-022-00329-3

A sustainable supramolecular deep eutectic solvent system for dispersive liquid–liquid microextraction followed by HPLC for the determination of melamine in milk samples

Modar Sadek, Nazira Sarkis, George Jangi • Results in Chemistry (2026)

This work presents the development and application of an innovative green supramolecular deep eutectic solvent (SUPRADES)-based DLLME approach for the extraction and quantification of melamine in milk matrices. For this purpose, thymol and ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rechem.2026.103057

Case report: Incidentally discovered case of pheochromocytoma as a cause of long COVID-19 syndrome

Christian G. Ziegler, Carina Riediger, Matthias Gruber, Carola Kunath et al. • Frontiers in Endocrinology (2022)

Pheochromocytomas (PCCs) are rare but potentially lethal tumors that arise from the adrenal medulla. The clinical suspicion and diagnosis of PCC can be challenging due to the non-specific nature of signs and symptoms. In many patients, infe...

DOAJ Open Access (DOAJ) DOI: 10.3389/fendo.2022.967995