Negative / Null Result ReportMedicine
Ahmed, AbuMostafa · 2026 · Scientific reports
This investigation sought to evaluate the comparative influence of different irrigation activation protocols-ultrasonic, sonic, XP-Endo Finisher, and manual dynamic activation (MDA)-on the nanohardness, elastic modulus, flexural strength,…
View details →DOI: 10.1038/s41598-026-45610-1 Negative / Null Result ReportMedicine
Zhan, Hao, Li et al. · 2026 · Frontiers in medicine
Currently, there are few reports on the impact of preoperative anticoagulant administration on perioperative coagulation function and blood loss. Therefore, this study observed the effects of preoperative anticoagulant administration on…
View details →DOI: 10.3389/fmed.2026.1753809 Negative / Null Result ReportMedicine
Qin, Liu, Cheng et al. · 2026 · Ecology letters
Although habitat area and isolation are considered key factors influencing plant disease and herbivory, their specific mechanisms remain underexplored within island biogeography. We investigated the direct and indirect effects (via…
View details →DOI: 10.1111/ele.70369 Negative / Null Result ReportMedicine
Genel, Alzarouni, Mirza et al. · 2026 · Neuro-oncology advances
Recent evidence has demonstrated a tight relationship between neuronal activity and glioblastoma (GBM) growth, involving novel mechanisms such as neuron-glioma synapses and tumor microtube networks. Seizure activity and antiepileptic drug…
View details →DOI: 10.1093/noajnl/vdag035 Negative / Null Result ReportMedicine
Da Silva Souza, De Souza, Dos Santos et al. · 2026 · Frontiers in public health
Children with low motor coordination tend to engage in less physical activity. They are more likely to gain weight, establishing a bidirectional relationship, as weight gain may further restrict their participation in physical activity.…
View details →DOI: 10.3389/fpubh.2026.1779788 Negative / Null Result ReportMedicine
Liang, Zhu, Han et al. · 2026 · Zhongguo shi yan xue ye xue za zhi
To explore the effect of body mass index (BMI) on the efficiency of hematopoietic stem cell (HSC) mobilization. A retrospective analysis was conducted on the clinical data of 158 healthy donors who underwent peripheral blood HSC…
View details →DOI: 10.19746/j.cnki.issn.1009-2137.2026.01.025 Negative / Null Result ReportMedicine
Cummings, Hodges, Theodore · 2026 · Psychonomic bulletin & review
Listeners can use lexical information to accommodate ambiguity in speech input. Some evidence suggests that lexically guided perceptual learning persists over time. However, other evidence suggests that lexically guided perceptual learning…
View details →DOI: 10.3758/s13423-026-02862-2 Negative / Null Result ReportMedicine
Schwarz, Watzenboeck, Stuempflen et al. · 2026 · European radiology
Prenatal alcohol exposure (PAE) of the fetus may result in physiognomic alterations and/or impediment of cognitive development, summarized as fetal alcohol spectrum disorders (FASDs). Although alcohol is metabolized in the liver, the…
View details →DOI: 10.1007/s00330-026-12461-3 Negative / Null Result ReportMedicine
Razmeh, Karimi, Dashti et al. · 2026 · Journal of neurology
Hypoxic ischemic encephalopathy (HIE) is a severe brain injury that can lead to death and long-term disability. HIE can be treated with therapeutic hypothermia, and various adjuvant treatments (such as melatonin) are also utilized.…
View details →DOI: 10.1007/s00415-026-13723-2 Negative / Null Result ReportMedicine
van Amstel, Simons, Kooreman et al. · 2026 · Breast (Edinburgh, Scotland)
In clinically node-positive (cN+) patients, radioactive iodine ( 125 I) seeds can be considered to mark metastatic axillary lymph nodes before neoadjuvant therapy (MARI-procedure) but potential therapeutic effects remain unclear. This…
View details →DOI: 10.1016/j.breast.2026.104746 Negative / Null Result ReportMedicine
Yıldız, Top, Yıldız et al. · 2026 · Mediterranean journal of hematology and infectious diseases
Stenotrophomonas maltophilia ( S. maltophilia ) is a multidrug-resistant pathogen frequently isolated in hospital-acquired pneumonia and represents a significant clinical challenge. This study aimed to investigate the risk factors…
View details →DOI: 10.4084/mjhid.2026.018 Short NoteMedicine
Narimichi, Komaki, Suzuki et al. · 2026 · Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology
Solar UV comprises UVA and UVB; each exerts distinct biological effects, while their combined impact is not yet fully understood. We previously reported that human keratinocytes exposed to UVA1 followed by UVB irradiation exhibited severe…
View details →DOI: 10.1007/s43630-026-00874-4 Negative / Null Result ReportMedicine
Timothee, Bliss, Blumenthal et al. · 2026 · Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery
The primary objective is to determine whether patients undergoing osseous microvascular free flap reconstruction of head and neck defects have higher inpatient pain requirements than those undergoing nonosseous reconstruction. Secondary…
View details →DOI: 10.1002/ohn.70200 Negative / Null Result ReportMedicine
Kacar, Ayaz-Alkaya · 2026 · Journal of pediatric nursing
Internet addiction is a growing problem among children and adolescents. Pathological internet use may lead to psychological and social issues. More effective and innovative interventions are needed to promote the mental health of children.…
View details →DOI: 10.1016/j.pedn.2026.02.035 Negative / Null Result ReportMedicine
Lopes, Costa, Nociti Junior et al. · 2026 · Brazilian oral research
This study investigated the effects of incorporating 3wt% titanium dioxide nanotubes (nTiO2) into calcium hydroxide [Ca(OH)2]-based intracanal medicament (ICM) formulations on the proliferation, viability, and mitochondrial metabolic…
View details →DOI: 10.1590/1807-3107bor-2026.vol40.002 Negative / Null Result ReportMedicine
Linke, Mayer, Suttkus et al. · 2026 · Pediatric research
This study examined parental stress indicators during outpatient pediatric surgery and whether intraoperative text messaging could alleviate stress. This randomized trial assigned parents of children aged 6 months to 6 years undergoing…
View details →DOI: 10.1038/s41390-026-04816-9 Negative / Null Result ReportMedicine
Melnikova · 2025 · Bulletin of experimental biology and medicine
Using in vivo microscopy, changes in the diameter of pial arterial microvessels were studied in rats with modeled moderate acute blood loss followed by whole-body cooling against the background of a single administration of tranexamic acid…
View details →DOI: 10.1007/s10517-026-06603-2 Negative / Null Result ReportMedicine
Nazki, Tennakoon, Reddy et al. · 2026 · The Journal of general virology
Infectious bursal disease virus (IBDV) causes an endemic immunosuppressive disease in chickens. Prior exposure to IBDV influences the pathogenesis and shedding of chicken strains of influenza A virus (IAV), but its effect on waterfowl…
View details →DOI: 10.1099/jgv.0.002235 Negative / Null Result ReportMedicine
Tuncekin, Toprak · 2026 · Iranian journal of immunology : IJI
Rheumatoid arthritis (RA) and ankylosing spondylitis (AS) are chronic autoimmune inflammatory disorders in which TNF-α plays a key role. Anti-TNF agents are widely used in the management of these diseases. Since TNF-α is also…
View details →DOI: 10.22034/iji.2026.107743.3081 Negative / Null Result ReportMedicine
Xu, Hu, Zhao et al. · 2026 · Obesity (Silver Spring, Md.)
HDM1002, a small-molecule agonist of glucagon-like peptide-1 receptors, was evaluated for safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD). Chinese participants (18-60 years) with…
View details →DOI: 10.1002/oby.70160 Negative / Null Result ReportMedicine
Shen, Yan, Yan et al. · 2026 · Journal of environmental sciences (China)
Diazotrophs play a crucial role within the rhizosphere by fixing atmospheric nitrogen and promoting plant growth. However, the diversity of diazotrophic communities and the influences of human activity are largely unclear. This study…
View details →DOI: 10.1016/j.jes.2025.07.031 Negative / Null Result ReportMedicine
Uludag, Uludag · 2026 · Current medicinal chemistry
Recently, there has been growing interest in the roles of vitamin D and certain platelet characteristics, such as mean platelet volume (MPV). However, the influence of vitamin D levels on these platelet traits is still under discussion.…
View details →DOI: 10.2174/0109298673427124251210100806 Negative / Null Result ReportMedicine
Estaji, Ahmadizadeh · 2026 · Journal of psychiatric research
Based on neurocognitive models, the development and maintenance of post-traumatic stress disorder (PTSD) are correlated with cognitive biases, including attention and memory biases, which are associated with imbalanced activation of…
View details →DOI: 10.1016/j.jpsychires.2026.02.039 Negative / Null Result ReportMedicine
Cazalis-Henry, Seuront, Spilmont · 2026 · Biology letters
Brown macroalgae like Fucus serratus are key ecosystem engineers in intertidal environments and are increasingly threatened by anthropogenic pollution and global change. This study examined how the combined effects of conventional and…
View details →DOI: 10.1098/rsbl.2025.0577 Negative / Null Result ReportMedicine
Grub, Naab · 2026 · Digital health
To examine user perceptions of human advisors versus chatbots in mental health apps and assess the impact of algorithm literacy interventions. In an online experiment, participants engaged in simulated chats about digital stress. A…
View details →DOI: 10.1177/20552076251413307 Negative / Null Result ReportMedicine
Maureen, Budiardjo, Wahono · 2026 · Journal of the Indian Society of Pedodontics and Preventive Dentistry
Down syndrome is a genetic condition caused by trisomy 21, often accompanied by orofacial hypotonia and anomalies in stomatognathic development. A hypotonic tongue may alter oral cavity morphology, particularly palatal depth, anterior…
View details →DOI: 10.4103/jisppd.jisppd_489_25 Negative / Null Result ReportMedicine
Goh, Sud, Chau et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Renin-angiotensin system inhibitors (RASIs) are recommended to preserve residual kidney function (RKF) in patients on peritoneal dialysis (PD); however, evidence of benefit is inconsistent. This study evaluated…
View details →DOI: 10.3390/medicina62020282 Negative / Null Result ReportMedicine
Ptáček, Musil, Guarnieri et al. · 2026 · International journal of molecular sciences
Amyotrophic lateral sclerosis (ALS) is a common neurodegenerative disorder; to date, there is no long-term effective treatment. Recently, a relationship has been discovered between the human intestinal microbiome and the pathogenesis of…
View details →DOI: 10.3390/ijms27041655 Negative / Null Result ReportMedicine
Deng, Xiang, Li et al. · 2026 · Animals : an open access journal from MDPI
Due to the lack of corn and soybean meal in animal feeding, rice bran meal (RBM) has been proposed as a beneficial substitute for these feedstocks' ingredients. Its fermentation by using diverse microbes has been adopted as a beneficial…
View details →DOI: 10.3390/ani16040527 Negative / Null Result ReportMedicine
Hazell, Khazova, O'Mahoney · 2026 · Antioxidants (Basel, Switzerland)
Conflicting evidence exists on whether blue or red light modulates nitric oxide (NO) release within skin cells. Using environmentally relevant doses, irradiances and spectral distribution akin to low-level sunlight, we provide evidence…
View details →DOI: 10.3390/antiox15020232 