Negative / Null Result ReportOpen accessMedicine
Chern CWJ, Cheng LJ, Chiang GSW et al. · 2026 · Age and ageing
Background Physio-cognitive dual-task training (PCDT), combining physical and cognitive tasks, is a promising approach. However, clarity regarding its effectiveness and evidence credibility remains limited. Objective To evaluate PCDT…
View details →DOI: 10.1093/ageing/afag061 Negative / Null Result ReportMedicine
Chandi JK, Nandi K, Biswas RK et al. · 2026 · BMJ case reports
Idiopathic vascular epiretinal membrane (ERM) is a macular disorder which is an extremely rare entity. A hypertensive male in his early 50s presented with complaints of distortion and diminished vision in the left eye. Fundus examination…
View details →DOI: 10.1136/bcr-2025-267668 Negative / Null Result Report
Ali MAA, Zeitoun MM, Ebeid TA et al. · 2026 · Preprint
Abstract This study aims to investigate the roles of adding oleuropein and two types of monosaccharides on the post-thaw bull semen characteristics. Semen was collected from five Brown Swiss bulls twice a week for 16 weeks. Two experiments…
View details →DOI: 10.21203/rs.3.rs-9731141/v1 Negative / Null Result ReportOpen accessMedicine
Shayan SK, Abbood RS, Al-Taie SF et al. · 2026 · Pharmacology research & perspectives
Cardiovascular diseases (CVD) remain to impose a main global burden of morbidity and mortality despite advances in anticipation and treatment. Omega-3 fatty acids, mainly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have…
View details →DOI: 10.1002/prp2.70265 Negative / Null Result ReportMedicine
Wildhagen S, Rechlin J, Kocaöz G et al. · 2026 · Journal of dentistry
Objectives The aim of this in vitro study was to evaluate the scanning accuracy of two intraoral scanners at different post-preparation depths and diameters, using micro-computed tomography (µ-CT) data as the reference standard. Methods…
View details →DOI: 10.1016/j.jdent.2026.106851 Negative / Null Result Report
Enow AMH · 2026 · Preprint
Abstract This study empirically examines the impact of import dependence, gross capital formation, and population growth on Somalia's gross domestic product (GDP) from 1991 to 2023—a period encompassing state collapse, prolonged conflict,…
View details →DOI: 10.21203/rs.3.rs-9740853/v1 Negative / Null Result ReportOpen accessMedicine
Prihanti GS, Firmansyah FH · 2026 · Frontiers in medicine
Introduction This study aimed to assess medical students' perceptions of spiritual care using a culturally adapted Muslim-context version of the Spirituality and Spiritual Care Rating Scale (SSCRS). Methods A cross-sectional study was…
View details →DOI: 10.3389/fmed.2026.1802023 Negative / Null Result ReportMedicine
Aydin MA, Aydoğdu NG, Kizilarslan V et al. · 2026 · Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society
Background This study was conducted to examine the mediating role of eudaimonic well-being in the effect of perceived poverty on quality of life in the elderly. Methods This descriptive cross-sectional study was conducted with 523 elderly…
View details →DOI: 10.1111/psyg.70178 Negative / Null Result ReportOpen accessMedicine
Li Y, Wang Z, Xu T et al. · 2026 · BMC plant biology
Arbuscular mycorrhizal (AM) fungi can effectively enhance the photosynthesis and antioxidant capacity of plants under cadmium stress; however, the underlying regulatory mechanisms remain poorly understood. This study focuses on the…
View details →DOI: 10.1186/s12870-026-08798-y Null DatasetMedicine
Zhartybayeva A, Christensen BT, Eriksen J et al. · 2026 · Agriculture, Ecosystems and Environment.
Models simulating management-induced changes in soil organic carbon (SOC) stocks in agricultural soils typically rely on crop-specific above- and belowground C inputs based on harvest yields and allometric functions. However, experimental…
Negative / Null Result ReportOpen accessMedicine
Duarte ABA, Dias-Silva TP, Viana WCC et al. · 2026 · Tropical animal health and production
The aim of this study was to evaluate the effect of xylanase addition (1.8 g/kg dry matter [DM]) to tropical grass haylage used in total mixed rations (TMR) on in vitro organic matter degradability, ruminal fermentation kinetics, and…
View details →DOI: 10.1007/s11250-026-05183-7 Negative / Null Result ReportMedicine
Abbasi S, Akbari N, Yazdani M et al. · 2026 · Artificial cells, nanomedicine, and biotechnology
Ex vivo expansion of human adipose-derived stem cells (hADSCs) remains challenging because reduced-serum culture conditions can compromise short-term cell function. Here, we evaluated a microenvironment-inspired tri-component…
View details →DOI: 10.1080/21691401.2026.2691659 Negative / Null Result ReportMedicine
Özkar B, Söylemez E · 2026 · Neurological research
Objective Previous studies evaluating central auditory processing in migraine have used conventional tests, but the findings have remained inconsistent. This study aimed to assess the central auditory abilities of individuals with migraine…
View details →DOI: 10.1080/01616412.2026.2620484 Negative / Null Result ReportOpen accessMedicine
Ray S, Bhutia E, Meena RK · 2025 · Cureus
Background In recent years, the rise of digital technology has led to a significant increase in screen time among children, raising concerns about the potential effects of excessive screen exposure on children's development. The objectives…
View details →DOI: 10.7759/cureus.85878 Failed Experiment ReportMedicine
Gruenert U, Benda J, Bossdorf O et al. · 2026 · PloS one
The present rise in temperature, pCO2 and altered precipitation impact lake water alkalinity and dissolved inorganic carbon (DIC) dynamics. Such changes on carbonate chemistry have been shown to modify calcification of shell-forming…
View details →DOI: 10.1371/journal.pone.0349771 Negative / Null Result ReportOpen accessMedicine
Tayebi SM, Mirzaei M, Stout JR · 2026 · Journal of the International Society of Sports Nutrition
Purpose High-intensity judo bouts induce oxidative stress and muscle damage, impairing recovery. This randomized, double-blind, placebo-controlled pilot trial examined whether acute β -hydroxy- β -methylbutyrate free acid (HMB-FA)…
View details →DOI: 10.1080/15502783.2026.2665962 Negative / Null Result ReportMedicine
Dhakal S, Tiwari N · 2026 · Scientific reports
The integration of 3D printing technology in construction has gained significant attention due to its potential to utilize sustainable, earth-based materials. This innovative approach offers a fast, cost-effective, and environmentally…
View details →DOI: 10.1038/s41598-026-58138-1 Negative / Null Result ReportOpen accessMedicine
Aitynova A, Dyusebaeva M, Issayeva D et al. · 2026 · Molecules (Basel, Switzerland)
A phytopreparation based on the CO 2 extract of Arctium tomentosum Mill. root (AT) was evaluated for its safety and anti-inflammatory potential in Swiss albino mice. Acute and 28-day subacute oral toxicity studies demonstrated that AT, at…
View details →DOI: 10.3390/molecules31111900 Negative / Null Result Report
Demirkıran B, Melekoglu T, Żurek G · 2026 · Preprint
Purpose: This study examined the acute effects of High-Intensity Interval Training (HIIT) and prolonged endurance training (ET) on heart rate variability (HRV) in elite Greco-Roman wrestlers. A secondary aim was to assess the usefulness of…
View details →DOI: 10.20944/preprints202605.0021.v1 Negative / Null Result Report
Barnes-Scheufler C, Yalçın M, Rösler L et al. · 2026 · Preprint
Abstract Deficits in visuospatial working memory (WM) have been consistently reported in both persons with schizophrenia (PSZ) and bipolar disorder (PBD). In healthy controls (HCS), WM typically declines with age; however, it remains…
View details →DOI: 10.21203/rs.3.rs-9514584/v1 Negative / Null Result ReportMedicine
Huang H, Smets C, Chen L et al. · 2026 · Brain stimulation
Background Transcranial focused ultrasound stimulation (TUS) has emerged as a promising tool for noninvasive neuromodulation. However, the specific effects of stimulation parameters on neural activity remain incompletely understood.…
View details →DOI: 10.1016/j.brs.2026.103145 Negative / Null Result Report
Akudey PM, Tutu-Boahene B, Owusu SO et al. · 2026 · Preprint
Abstract This study investigates the conditional effect of firm resilience on the relationship between social capital and business continuity among Ghanaian vegetable agribusinesses, anchored in Network Theory and Dynamic Capabilities…
View details →DOI: 10.21203/rs.3.rs-9388284/v1 Negative / Null Result Report
Singh SS · 2026 · Preprint
This study examines the relationship between capital structure and financial performance amongst firms constituting the Dow Jones Industrial Average (DJIA) over the period 2009 to 2020. Utilising secondary data from the Bloomberg database…
View details →DOI: 10.20944/preprints202604.0155.v1 Negative / Null Result ReportMedicine
Wang WH, Lin DH · 2026 · Current opinion in nephrology and hypertension
Purpose of review Angiotensin-II plays an important role in regulating thiazide-sensitive Na-Cl-cotransporter (NCC) encoded by Slc12A3. Moreover, inwardly-rectifying-K+ (Kir) channels 4.1/Kir5.1 encoded by Kcnj10 and Kcnj16 have been shown…
View details →DOI: 10.1097/mnh.0000000000001203 Negative / Null Result ReportMedicine
Tan Y, Liu S, Zang L · 2026 · BMC psychology
Background Future anxiety may be relevant to academic burnout among university students, but its short-term temporally ordered association with burnout and the cognitive processes involved remain unclear. This study tested whether brooding…
View details →DOI: 10.1186/s40359-026-04933-4 Negative / Null Result ReportMedicine
Dias CS Jr, Verona AP, Leocádio V · 2026 · Journal of religion and health
This study examines the relationship between religious denomination, religious attendance, and mammography screening among White and Black women in Brazil, using baseline data from the Brazilian Longitudinal Study of Aging (ELSI-Brazil,…
View details →DOI: 10.1007/s10943-026-02694-3 Negative / Null Result ReportMedicine
Acuña J, Barnhart MD, Kennedy SC et al. · 2026 · Veterinary and comparative orthopaedics and traumatology : V.C.O.T
To evaluate the effect of a 3.5 mm tibial plateau leveling osteotomy (TPLO) locking compression plate on serial postoperative tibial plateau angle (TPA) maintenance, short-term osteotomy healing, and complication rates in dogs weighing 45…
View details →DOI: 10.1055/a-2865-3650 Negative / Null Result ReportOpen accessMedicine
Sztechman D, Zera T, Czarzasta K et al. · 2025 · Physiological reports
In the present study, we aimed at elucidating whether exposure to chronic stress affects the expression of cardiac mineralocorticoid receptors (MRs), whether it influences cardiac structure and function, and whether MRs blockade attenuates…
View details →DOI: 10.14814/phy2.70549 Negative / Null Result Report
Xuhua H, Bakpa EK, Yeboah JA · 2026 · Preprint
This paper examines the dynamic relationship between innovation, total factor productivity (TFP), and economic growth in Ghana using annual data for the period 1965–2021. Although Ghana has recorded relatively strong economic growth,…
View details →DOI: 10.20944/preprints202604.1738.v1 Replication FailureMedicine
Eroğlu AS, Demirtaş OK · 2026 · Acta neurochirurgica
Objectives This study aims to retrospectively analyze the factors affecting implant failure in patients who underwent anterior cervical plating (ACP) following anterior cervical discectomy and fusion (ACDF). Methods Data from 332 patients…
View details →DOI: 10.1007/s00701-026-06928-x 