Negative / Null Result ReportOpen accessMedicine
Ma Q, Chen K, Wang C et al. · 2026 · PsyCh journal
Previous studies have indicated impaired motor sequence learning in people who stutter (PWS). The present study demonstrates that PWS retain intact sequence learning abilities when motor demands are minimized.
View details →Negative / Null Result ReportOpen accessMedicine
Vockert KL, Winter N, Kirschmann FS et al. · 2026 · Neurological research and practice
Background and aims Hereditary polyneuropathies are rare heterogeneous neurological disorders that cause progressive muscle weakness and disability. As new therapies emerge, sensitive imaging biomarkers to monitor disease progression are…
View details →Negative / Null Result ReportMedicine
Johnson L, Chen ZZ, Marshall JG · 2026 · Analytical biochemistry
The detection of human IgG (hIgG) in tris buffer versus fetal calf serum (FCS) served as a model system to explore the factors that contribute to sensitivity of enzyme-linked immunosorbent assay (ELISA) with and without capture reagents.…
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Cui H, Wu M, Zhao P · 2026 · Preprint
Abstract Background Myocarditis is a clinically heterogeneous cardiovascular condition that may progress rapidly to severe outcomes, making early recognition and accurate public understanding essential. With the rapid expansion of…
View details →Negative / Null Result ReportMedicine
Ichikawa S, Shimura A, Kikuchi A et al. · 2026 · Scientific reports
Early childhood is a period of rapid brain maturation and gut microbiome assembly, when emerging behavioral difficulties can shape later mental health and learning trajectories. Microbiota-gut-brain communication has been implicated in…
View details →Negative / Null Result ReportOpen accessMedicine
Blach A, Kiss S, Fontaine A et al. · 2026 · Case reports in obstetrics and gynecology
Background and aims Anti-NMDAR encephalitis is a severe autoimmune encephalitis that is frequently associated with ovarian teratomas, whereas infectious triggers remain incompletely understood. We report a case of ovarian…
View details →Negative / Null Result ReportMedicine
Yang J, Zhu D, Liu R et al. · 2026 · Bioresource technology
Partial nitritation (PN) underpins two-stage anaerobic ammonium oxidation-based nitrogen removal, but biomass management in sidestream PN reactors remains largely empirical. This study tested three PN sequencing batch reactors maintained…
View details →Negative / Null Result ReportOpen accessMedicine
Ashraf A, Shamel M, Massieh C et al. · 2026 · BMC oral health
Background Energy drinks are acidic beverages with recognized erosive potential, but their effect on enamel characteristics relevant to orthodontic bonding remains incompletely described. This in vitro study evaluated the effect of…
View details →Negative / Null Result Report
Mata M, Harmand MG, Prada-Arrondo PC et al. · 2026 · Preprint
Objective Older adults undergoing cardiac surgery may be vulnerable to postoperative cognitive decline. However, no studies have examined postoperative cognitive outcomes in older patients with cardiovascular disease (CVD) according to…
View details →Negative / Null Result ReportMedicine
Ganji SK, Talari K, Maloth RK et al. · 2026 · Rapid communications in mass spectrometry : RCM
Rationale Nitrite anion is among the highly reactive anions and converts the secondary amines to their corresponding carcinogenic N-nitroso metabolites in the human body. Nitrite ion is highly abundant in natural waters and enters the body…
View details →Negative / Null Result ReportMedicine
Niu J, Huang W, Zou J · 2026 · Clinical neurology and neurosurgery
Purpose To compare rupture-related signals captured by automatically extracted computed tomography angiography (CTA) morphologic features and threshold-based computed tomography perfusion (CTP) metrics in large unruptured intracranial…
View details →Negative / Null Result Report
Sezen E, Kurtulmus H · 2026 · Preprint
Abstract Background To compare the time-dependent retentive-force behavior and wear-related surface alterations of two unsplinted overdenture attachment systems, a ball attachment system and a TRI Raptor Smart Box system, after…
View details →Negative / Null Result Report
De la Hoz JF, Lee YH, Tubbs JD et al. · 2026 · Preprint
Importance Individuals with psychiatric disorders face elevated cardiometabolic risk which is linked to increased mortality. The extent to which this reflects shared pathogenesis or the downstream effects of illness and treatment remains…
View details →Negative / Null Result ReportMedicine
Vencato AA, Juchem ALM, Clerici NJ et al. · 2026 · International journal of biological macromolecules
This study produced six formulations using polyvinyl alcohol (PVA) blended with gelatin or gelatin-starch, incorporating cinnamon powder (CP) or cinnamon essential oil (CEO). Homogeneous nanofibers with diameters ranging from 367 to 532 nm…
View details →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…
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