Negative / Null Result ReportMedicine
Park KW, Kim HY, Kim KA et al. · 2026 · European journal of orthodontics
Objective We aimed to evaluate three-dimensional (3D) maxillary displacement and secondary mandibular changes following miniscrew-assisted rapid palatal expansion (MARPE) according to pretreatment skeletal subtypes, based on the…
View details →Negative / Null Result ReportMedicine
Tamini S, Bondesan A, Caroli D et al. · 2026 · Metabolites
Background/Objectives : Pediatric obesity is closely associated with metabolic syndrome (MetS), a condition linked to increased cardiometabolic risk. Early identification of high-risk individuals remains challenging. This study aimed to…
View details →Negative / Null Result Report
Ebou AET, Amani BH, Toure GT et al. · 2026 · Preprint
Secondary forest succession following agricultural abandonment is a dominant land-use transition across the tropics, yet whether soil microbial communities recover toward old-growth forest reference states remains poorly understood,…
View details →Negative / Null Result ReportOpen accessMedicine
Li J, Song Z, Wang G et al. · 2026 · Frontiers in cell and developmental biology
Background Dilated cardiomyopathy (DCM) is the most common non-ischemic cardiomyopathy and a major cause of heart failure, but disease-specific molecular biomarkers remain limited. This study aimed to identify and prioritize tissue-level,…
View details →Negative / Null Result ReportMedicine
An MH, Kim C, Min K et al. · 2026 · Discover oncology
Background The ProtecT randomized trial found similar survival between active surveillance (AS), radiotherapy (RT), and radical prostatectomy (PT) in localized prostate cancer (PC), but observational studies yielded conflicting results.…
View details →Negative / Null Result Report
li j, Chen Y, Chen Y et al. · 2026 · Preprint
Abstract Objective To investigate the association between perioperative hypothermia and postoperative muscular calf vein thrombosis (MCVT) in patients undergoing total knee arthroplasty (TKA), and to evaluate the predictive performance of…
View details →Negative / Null Result ReportMedicine
Doğan D, Öksüz C, Çakır Ö et al. · 2026 · Biomedicines
Background/Objectives: Differentiating mediastinal lymphadenopathy associated with lung cancer from sarcoidosis remains a clinical challenge because of overlapping imaging findings. This study evaluated whether CT-derived radiomic…
View details →Negative / Null Result ReportOpen accessMedicine
Xie B, Rui Y · 2026 · Plants (Basel, Switzerland)
Nanotechnology has attracted increasing attention in agricultural and environmental research, but the biological effects and potential risks of nanoparticles based on non-essential elements remain insufficiently understood. This study…
View details →Negative / Null Result Report
Potdar A, Kumari A · 2026 · Preprint
Abstract Solar radio bursts in the metric and decametric ranges are direct signatures of accelerated electrons in the solar atmosphere. It is almost always the case that these bursts are associated with solar flares. In the present study,…
View details →Negative / Null Result ReportMedicine
Destro JM, Reis BO, Chrisostomo DA et al. · 2026 · Journal of functional biomaterials
This study aimed to evaluate the effects of experimental bioactive glass solutions on dentinal fluid flow and hydraulic conductance in vitro. Dentin blocks of 50 bovine incisors were divided into 5 groups according to the desensitizing…
View details →Negative / Null Result ReportOpen accessMedicine
Xu Z, Su S, Xu Z et al. · 2026 · Frontiers in psychology
The Drive for Muscularity Attitudes Questionnaire (DMAQ) is a brief tool for assessing muscularity-related attitudes. This study translated the DMAQ into Chinese and evaluated its reliability and validity separately in males and females. A…
View details →Negative / Null Result ReportMedicine
Koyuncu Z, Evcil FY, Kilimci ÖS et al. · 2026 · BMC psychiatry
Objective This study investigated whether current comorbid psychiatric symptoms were involved in statistical indirect associations between childhood attention-deficit/hyperactivity disorder (ADHD) symptoms (CAS) and functional impairment…
View details →Negative / Null Result Report
Hirano K, Seki T, Watanabe A et al. · 2026 · Preprint
Background Initiation of emergency dialysis, often requiring temporary catheter owing to unprepared definitive vascular access, is associated with infectious and vascular complications and suggests advanced chronic kidney disease (CKD)…
View details →Negative / Null Result ReportMedicine
Gessler KB, Rescaroli J, Pires SM et al. · 2026 · Neurotoxicity research
Atorvastatin is a widely prescribed statin used for its cholesterol-lowering effects; however, it also exerts known pleiotropic effects, including antioxidant and anti-inflammatory properties. Atorvastatin´s impact on mitochondrial…
View details →Negative / Null Result Report
Pan Y, Sun Y, Shi C et al. · 2026 · Preprint
Abstract Genetic testing guides personalized management of differentiated thyroid carcinoma (DTC). However, tumor heterogeneity, including spatial and temporal heterogeneity, has created an unresolved clinical problem. It remains unclear…
View details →Negative / Null Result ReportMedicine
Tuo Y, Yang S, Dai X et al. · 2026 · Journal of ethnopharmacology
Ethnopharmacological relevance Syringa oblata Lindl. emits a variety of biogenic volatile organic compounds (BVOCs) during full bloom, which forms the key chemical basis for its characteristic floral scent. Species of the genus Syringa…
View details →Negative / Null Result ReportMedicine
Zhen B, Yang X, Yao B · 2026 · Scandinavian journal of psychology
Child abuse has been significantly associated with children's mobile phone dependence (MPD), particularly in left-behind children (LBC). However, whether distinct forms of child abuse (physical and emotional) are associated with MPD in LBC…
View details →Negative / Null Result ReportOpen access
Idawati, I. (Idawati), Wahyudi, W. (Wahyudi), Endang, B. (Busri) · 2016
In this research method used is quantitative method, the type of comparative studies, to compare existing organizational culture in school achievement. Data used primary data. The results showed that (1) There is no significant difference…
View details →Negative / Null Result ReportOpen access
Huaizhou You (414624), Chuanming Hao (124404), Ying Zhou (25031) et al. · 2013
(a1) Failure plots for probability of survival at 90 days between high and low 25-hydroxyvitamin D level subgroups. No significant difference between the two subgroups was found (log rank, p = 0.554). (b1) Failure plots for probability of…
View details →Negative / Null Result ReportMedicine
Partoazar A, Shahabi S, Afrasiabi S · 2026 · BMC oral health
Background Biofilms contribute to the dental calculus formation, which in turn deteriorates oral and systemic health. The use of antimicrobial photodynamic therapy (PDT) may be limited by problems with photosensitizer penetration. In…
View details →Negative / Null Result ReportMedicine
Lipa AJ, Janata-Schwatczek K, Sterz M et al. · 2026 · Seminars in thrombosis and hemostasis
Pulmonary embolism (PE) in octogenarians (i.e., patients > 80 years) is associated with substantial morbidity and mortality, yet this population remains underrepresented in major studies. We compared the predictive performance of the…
View details →Negative / Null Result ReportMedicine
Chen W, Ge X, Hu C et al. · 2026 · Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
Prospective studies are necessary to determine the association between circulating proteins and colorectal cancer (CRC) risk, offering non-invasive biomarkers for early CRC risk prediction and interventions. The Olink Explore-3072 platform…
View details →Negative / Null Result ReportMedicine
Umer H, Mumtaz T, Weiskirchen R et al. · 2026 · Chronobiology international
Disruption of circadian rhythm is common in rotating shift workers, individuals with jet lag, and people with irregular sleep schedules and contributes to metabolic diseases including obesity, type 2 diabetes, metabolic…
View details →Negative / Null Result ReportMedicine
Liu Y, Tao G, Zhao Y et al. · 2026 · Frontiers in medicine
Objective To characterize choroidal structural and perfusion changes in children with emmetropia, low myopia, and moderate myopia using enhanced depth imaging optical coherence tomography (EDI-OCT) and optical coherence tomography…
View details →Negative / Null Result ReportMedicine
Kurogochi K, Stern JA, DeFrancesco TC et al. · 2026 · Journal of the American Veterinary Medical Association
Objective The T-wave peak-end (TpTe) interval and its ratio to the QT interval (TpTe:QT) are ECG markers of myocardial repolarization dispersion. We hypothesized that these markers are associated with echocardiographic indices reflecting…
View details →Negative / Null Result ReportOpen accessMedicine
Eydou Z, Garber S, Sikkema M · 2026 · Cureus
Fusobacterium necrophorum is a recognized cause of brain abscesses and has been classically associated with Lemierre syndrome. We report a case of a 17-year-old male patient who presented with seizures, fever, and altered mental status…
View details →Negative / Null Result Report
Szeto CYY, Kwan HS · 2026 · Preprint
Dietary and lifestyle microbiome interventions often produce mild but heterogeneous remodeling rather than uniform community shifts. In this setting, scalar diversity or group-level summaries can appear weak or inconclusive even when…
View details →Negative / Null Result ReportOpen accessMedicine
Boualia B, Sandeli A, Boulebd H et al. · 2026 · ACS omega
In this research, we present the successful synthesis of benzimidazolium salts ( 2a - e ) and their corresponding selenium-NHC adducts ( 3a - e ), achieved with satisfactory yields ranging from 75% to 88%, and characterized using…
View details →Negative / Null Result ReportOpen accessMedicine
Qaid MM, Al-Garadi MA, Al-Abdullatif AA et al. · 2026 · Poultry science
Coccidiosis remains a major constraint in poultry production; therefore, this study evaluated the anticoccidial efficacy of a phytogenic blend of cinnamon bark and Rumex nervosus leaf in Eimeria tenella-challenged broilers. Birds were…
View details →Negative / Null Result ReportOpen accessMedicine
Hayashi E, Kano H, Nakamura K et al. · 2026 · Respirology case reports
Small-cell lung cancer (SCLC) has a poor prognosis, and the efficacy of tarlatamab for untreated brain metastases remains unclear. We report a case demonstrating a discrepant response between extracranial and intracranial lesions after…
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