Negative / Null Result ReportMedicine
Neiling SL, Alt M, Kapa LL · 2026 · Language, speech, and hearing services in schools
Background The current project was a prospective feasibility study using a dynamic assessment of statistical learning of a novel morpheme for the identification of developmental language disorder (DLD) in Spanish-English-speaking…
View details →Negative / Null Result ReportMedicine
Ren X, Dai Q, Jin C · 2026 · Journal of intensive care
Background Existing biomarker studies profile plasma during acute illness, leaving pre-illness proteomic susceptibility to critical care largely uncharacterised. We mapped the baseline proteomic architecture of critical-care outcomes in UK…
View details →Negative / Null Result ReportMedicine
Diamantino GML, Beeler-Marfisi J, Foster RA et al. · 2026 · Veterinary pathology
The objective of this study was to evaluate the effect of different fixatives and demineralizers on immunohistochemical (IHC) detection of antigens in bone marrow (BM). Sternal BM samples were collected within 24 hours of death from dogs…
View details →Negative / Null Result ReportMedicine
Xu P, Li Y, Chen Y et al. · 2026 · Children (Basel, Switzerland)
Background Moderate-to-severe preterm brain injury (PBI), including intraventricular hemorrhage (IVH) and periventricular leukomalacia (PVL), remains an important cause of adverse neurodevelopmental outcomes in preterm infants. Early risk…
View details →Negative / Null Result ReportMedicine
Pratt AS, Ramos MN, Peña ED et al. · 2026 · Journal of speech, language, and hearing research : JSLHR
Purpose This study attempts to discriminate developmental language disorder (DLD) in bilinguals using only the child's second language (L2), English. We grouped bilinguals by their current weekly language experience (high English…
View details →Negative / Null Result ReportMedicine
Wade ML, Litvak MK · 2026 · Zebrafish
Cryopreservation enables the long-term storage of viable biological material at ultra-low temperatures and forms the foundation for germplasm cryobanks that maintain valuable genetic lines of model organisms such as zebrafish ( Danio rerio…
View details →Negative / Null Result ReportMedicine
Xu J, Ashebir YA, Shao Y · 2026 · Genes
Background: The dual agonism of glucagon-like peptide-1 receptor (GLP-1R) and glucose-dependent insulinotropic polypeptide receptor (GIPR) becomes a groundbreaking treatment for type 2 diabetes (T2D) that achieves robust glycemic control…
View details →Negative / Null Result Report
Nguyen Van H, Vu Dang L, Nguyen The A et al. · 2026 · Preprint
Objectives: Histologic grade is an important prognostic factor in hepatocellular carcinoma (HCC). Gd-EOB-DTPA-enhanced MRI may provide noninvasive im-aging markers related to tumour differentiation. This study aimed to evaluate the…
View details →Negative / Null Result ReportMedicine
Shi Y, Li S, He L et al. · 2026 · Annals of clinical microbiology and antimicrobials
Background In this study, we aimed to evaluate the performance of different tigecycline susceptibility testing methods for CRKP and CRAB using the broth microdilution (BMD) method as the gold standard, under different breakpoint criteria.…
View details →Methods Dead-End
Hossain D, Abir FA, Zhang S et al. · 2026 · Preprint
ABSTRACT Despite major advances in computational antibody engineering, no systematic comparison of modern open-source LLM backbone families for antibody sequence generation exists, nor is it known whether architectural differences matter…
View details →Negative / Null Result ReportMedicine
Ramos MN, Bedore LM, Peña ED · 2026 · American journal of speech-language pathology
Purpose This study examines the diagnostic accuracy of four measures derived from English narrative language samples for identifying developmental language disorder (DLD) in 5- and 6-year-old Spanish-English bilinguals. Method Ninety-two…
View details →Failed Experiment ReportMedicine
Dowling EW, Sloman KN, McGarry KM et al. · 2026 · Journal of applied behavior analysis
Previous research on the relation between heart rate patterns and severe behavior has yielded mixed findings. Specifically, some studies have identified distinct heart rate patterns surrounding challenging behavior, whereas others have…
View details →Abandoned HypothesisMedicine
Calabrese EJ · 2026 · Chemico-biological interactions
This paper evaluates the final major research effort of Hermann J. Muller, Nobel Laureate, to assess whether radiation displays a dose-rate process for radiation-induced germ cell mutation. Muller tried to extend the dose-rate findings of…
View details →Negative / Null Result ReportMedicine
Blanco-Moreno C, Bippus AC, Tomescu AMF · 2026 · Annals of botany
Background and aims The bryophyte fossil record is less abundant and diverse than predicted by the age of the group and as compared to the fossil record of younger plant groups. Taphonomic biases explain only partially its scarcity. Here,…
View details →Abandoned HypothesisOpen accessMedicine
Ghosh AK, Bhattacharjee A, Jayashankar U et al. · 2026 · Organic & biomolecular chemistry
We have investigated diastereoselective Ugi-multicomponent reactions (Ugi-MCR) relevant to bis-amide scaffolds related to SARS-CoV-2 main protease (Mpro) inhibitors. The studies were mainly focussed on development of diastereoselective…
View details →Abandoned Hypothesis
khoiriyah z, Pandin MGR · 2026 · Preprint
Abstract Indonesia faces a persistent labor market paradox wherein rapid expansions in formal educational attainment have not yielded a proportional decline in educated unemployment. This mini literature review synthesizes five…
View details →Methods Dead-End
Upreti A, Shonkwiler K, Riddick SN et al. · 2026 · Preprint
Methane (CH4) is a major component of natural gas and a potent greenhouse gas. Increasing atmospheric methane concentrations are attributed to emissive anthropogenic activities by an average of 13 ppb per yr since 2020 and are linked to a…
View details →Negative / Null Result ReportMedicine
Ashouri R, Reynolds PS, Rajavel S et al. · 2026 · Urology
Objective To guide biopsy decision making via a predictive model for clinically significant prostate cancer (csPCa) in men with positive imaging (PI-RADS 3-5). We aim to elucidate the influence of zone on the predictive accuracy of PI-RADS…
View details →Negative / Null Result ReportOpen accessMedicine
Christianson G, Howard ZM, Kenney S et al. · 2026 · mAbs
The use of animal models that can reliably predict drug performance in human patients is critical to antibody therapeutic development. Along with assessing toxicity and efficacy, determining the pharmacokinetic (PK) properties of…
View details →Negative / Null Result ReportMedicine
Lutfi W, Desai ND, Pan Z et al. · 2026 · The Annals of thoracic surgery
Background The choice between bioprosthetic or mechanical surgical aortic valve replacement (SAVR) for dialysis patients is debated. Rapid adoption of transcatheter aortic valve replacement (TAVR) complicates decision-making further. This…
View details →Negative / Null Result Report
Keskinel I, Eryilmaz M, Diktas Tahtasakal S · 2026 · Preprint
Objectives: Streptococcus pneumoniae is a major respiratory pathogen. Reports during the COVID-19 era suggest decreased pneumococcal activity. This study aimed to assess the frequency of S. pneumoniae in adult sputum cultures and its…
View details →Negative / Null Result ReportMedicine
Akmansoy ŞC, Kahramanoğlu E · 2026 · Journal of oral science
Purpose This study compares the marginal and internal gaps for four restorative materials produced by two fabrication methods in both minimally invasive occlusal veneer and conventional onlay cavities. Methods Eighty mandibular molars…
View details →Negative / Null Result ReportMedicine
Xie J, Song Z, Fang W et al. · 2026 · Naunyn-Schmiedeberg's archives of pharmacology
This study aimed to elucidate the potential molecular mechanisms by which artificial sweeteners contribute to the initiation and progression of atherosclerosis, with the goal of providing a theoretical basis for the safety evaluation of…
View details →Negative / Null Result ReportMedicine
Robinson E, Chapman C, Orchard F et al. · 2026 · Journal of child and adolescent mental health
Background: Exposure of children and young people to potentially traumatic events is common. There is a need for increased access to early interventions following a potentially traumatic event. Objective: This review aimed to identify…
View details →Failed Experiment Report
Leinbach D, Burcham DC, Kane B · 2026 · Preprint
Trees are routinely pruned to mitigate the risk of wind damage, but there are few studies examining changes in wind loads after pruning, especially for large conifers. In this study, ten Colorado spruces ( Picea pungens ) were monitored…
View details →Negative / Null Result Report
Ross SR, Suzuki H, Urabe J et al. · 2026 · Preprint
1 Ecosystem functioning can be maintained in species-rich communities even under fairly severe perturbations. This is because communities with high richness include variation both in species’ functional roles ( functional diversity ) and…
View details →Abandoned HypothesisMedicine
AlTahan FA, AlHadlag A · 2026 · Ocular immunology and inflammation
Purpose To report the first documented case of postoperative endophthalmitis progressing to panophthalmitis in a silicone oil-filled eye (SO) following pars plana vitrectomy (PPV), and to review the relevant literature. Methods A single…
View details →Abandoned HypothesisMedicine
Fan J, Zeng J, Li H · 2026 · Research in developmental disabilities
Background/aims Children with autism spectrum disorder (ASD) often experience conversational difficulties that hinder social interactions and peer relationships. This study examined whether a conversational AI-enhanced peer-mediated…
View details →Negative / Null Result ReportMedicine
Zheng, Jia, Jing et al. · 2026 · International journal of cancer
This single-center retrospective study evaluated radiation pneumonitis (RP) in 209 treatment-naive EGFR-mutant non-small cell lung cancer (NSCLC) patients receiving first-line third-generation EGFR tyrosine kinase inhibitors (EGFR-TKIs)…
View details →Negative / Null Result ReportMedicine
Ng Fat, West, E Jackson · 2026 · BMJ public health
Stopping tobacco smoking, reducing alcohol consumption from high-risk levels, increasing physical activity and improving diet can improve mental well-being. To gain a preliminary estimate of the potential benefits of healthy lifestyle…
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