A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.
19879 results in Negative / Null Result Report · page 494 of 663
B. Yoon, J. Shim, D. Choo · 2023 · Journal of Welding and Joining
Recently, the application of aluminum based on ultra-high strength steel is expanding around high-end models of electric vehicles, so it is necessary to develop strategic welding/joining technologies for these materials. In the case of…
A. G. Gómez, A. García-Ben, A. S. García et al. · 2019 · Neurología (English Edition)
Abstract Introduction The contrast sensitivity test determines the quality of visual function in patients with multiple sclerosis (MS). The purpose of this study is to analyse changes in visual function in patients with relapsing-remitting…
A. Ali, Khaled Mohammad Abu Sheirah · 2021 · International Journal of Education and Information Technologies
The study aims to investigate the perceptions of faculty members in the preparatory year at the University of Ha’il concerning the use of the Blackboard learning management system, and to identify the impact of the study variables (gender,…
Kelly Cristina Lira de Andrade, Aline Tenório Lins Carnaúba, C. Batista et al. · 2025 · International Symposium on Cooperative Database Systems for Advanced Applications
ABSTRACT Purpose This study aimed to validate the STEP, an application developed for the analysis of various auditory and vestibular electrophysiological signals. The STEP was designed to enhance the accuracy and efficiency of latency and…
L. González-Melchor, J. García-Seara, J. Martinez-Sande et al. · 2023 · Europace
Abstract Funding Acknowledgements Type of funding sources: Public hospital(s). Main funding source(s): No fundings related Background Atrial fibrillation (AF) is the more frequent arrhythmia in clinical practice and the efficacy of…
Yuejin Yang, Yida Tang, Y. Ruan et al. · 2002 · Journal of the Renin-Angiotensin-Aldosterone System
OBJECTIVES To compare the effects of cilazapril, carvedilol and their combination in preventing left ventricular remodelling (LVRM) after acute myocardial infarction (AMI) in rats. METHODS Twenty-four hours after left coronary artery…
Lingshan Wu, Hao Huang, Zhi-yuan Yu et al. · 2023 · Brain Science
Cerebral small vessel disease (CSVD) commonly coexists with intracranial atherosclerotic stenosis (ICAS). Previous studies have tried to evaluate the relationship between ICAS and CSVD; however, they have yielded varied conclusions.…
Rutvi Vikram Raval, Padmaja Sharma, Harshit Naik et al. · 2024 · APOS Trends in Orthodontics
When undergoing fixed orthodontic treatment, white spot lesions and caries are frequently observed. The silver coating on brackets, archwires, and bands can help prevent these conditions. However, this might have an impact on friction and…
J. Soni, T. Shyagali, D. Bhayya et al. · 2015 · Acta informatica medica : AIM : journal of the Society for Medical Informatics of Bosnia & Herzegovina : casopis Drustva za medicinsku informatiku BiH
Objectives: The study was aimed to evaluate the pharyngeal airway linear measurements of untreated skeletal class II subjects with normal facial vertical pattern in prognathic maxilla with orthognathic mandible and orthognathic maxilla…
Jonathan Uniat, Allison C. Hill, Mark Shwayder et al. · 2025 · Circulation
Introduction: Catheter ablation for atrioventricular nodal reentrant tachycardia (AVNRT) traditionally used a combination of anatomic and signal morphology mapping. Newer advanced mapping techniques (AMTs) for AVNRT include propagation…
Zhangliu Chen, Yang Yun, N. Liu et al. · 2020 · Nephrology, Dialysis and Transplantation
With the continuous development and optimization of dialysis membrane materials, polysulfone (PS) as the third generation of dialysis membrane has replaced cellulose triacetate (CTA) and dominated the market because of its better…
Ratih Elisa Nandarani, Ira Widjiastuti, Latief Mooduto · 2019 · Brazilian Dental Journal
The most common main materials for dentin bonding for composite resin restoration is 2-hydroxyethyl methacrylate (HEMA). HEMA has beneficial physical and chemical properties, and stable, yet toxic. The addition of ethanol or water, may…
D. Rybárová, Helena Majdúchová, Peter Štetka et al. · 2021 · International Journal of Financial Studies
The aim of this paper is to assess the reliability of alternative default prediction models in local conditions, with subsequent comparison with other generally known and globally disseminated default prediction models, such as Altman’s…
I. Pinilla, E. Garcia-Martin, M. Idoipe et al. · 2012 · Journal of Ophthalmology
Purpose. To compare the retinal nerve fiber layer (RNFL) measurements using two different ocular coherence tomography (OCT) devices: Cirrus Fourier domain OCT and Stratus time domain OCT. To analyze reproducibility of Fourier domain…
Prashant Meshram, Piotr Łukasiewicz, Laurence Okeke et al. · 2024 · Journal of shoulder and elbow surgery
BACKGROUND The influence of position of the humeral tray (inlay or onlay) on clinical outcomes in reverse shoulder arthroplasty (RSA) is a topic of debate. The purpose of this study was to compare clinical and radiographic outcomes of…
G. Narendra, Mowazaffin Ahmed, Potlapati Amruthavalli et al. · 2020
Background: Lichen planus (LP), an immune-mediated disorder, has been reported as an extra-hepatic manifestation of Hepatitis C virus (HCV) infection, especially in HCV hyper endemic areas such as southern Europe and Japan. In India, the…
Se-joon Oh, I. Lee, Soo-Geun Wang et al. · 2019 · Clinical and Experimental Otorhinolaryngology
Objectives This study aimed to investigate whether optical coherence tomography (OCT) provides useful information about the microstructures of the middle and inner ear via extratympanic approach and thereby could be utilized as an…
F. Pacheco, Késsia Magalhães Espíndola, Jéssica Rosa Rezende et al. · 2023 · Fisioterapia e Pesquisa
ABSTRACT Maternal organism suffers physiological and biomechanical changes during pregnancy, including the separation of rectus abdominis muscles (RAM). This cross-sectional study aimed to compare the distance between the RAM among…
Jiu Chen, Guolin Wu · 2018 · Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
OBJECTIVE To assess the necessity of prophylactic antibiotic therapy in HCC patients undergoing transcatheter arterial chemoembolization (TACE). STUDY DESIGN Descriptive study. PLACE AND DURATION OF STUDY The First Affliated Hospital,…
T. Kunej, J. Michal · 2005 · Acta Agriculturae Slovenica
Mitochondrial transcription factor A (TFAM) is a nucleus-encoded protein that is essential for initiation of transcription and replication of mitochondrial DNA (mtDNA). It has been shown that TFAM binds the entire length of the mtDNA, but…
D. Bonilla, R. Kreider, J. Petro et al. · 2021 · Nutrients
Creatine monohydrate (CrM) supplementation has been shown to improve body composition and muscle strength when combined with resistance training (RT); however, no study has evaluated the combination of this nutritional strategy with…
Marchetti, Tossani, Bauce · 1999
The stability of two forms of vitamins, crystalline and fat-coated, during manufacturing processes and storage of fish feeds was investigated. After extrusion, vitamin recovery was generally lower than that found after pelleting. The…
Jing Zhang, Vikash Vikash, Ping Wang et al. · 2019 · International Journal of Ophthalmology
AIM To compare the safety and efficacy of subconjunctival injection with conbercept and 5-fluorouracil (5-FU) for open angle glaucoma (OAG) patients after filtration surgery. METHODS As a prospective randomized interventional trial, 36…
A. D. Lifanova, A. A. Grazhdankin, I. Lutfarakhmanov · 2024 · Creative Surgery and Oncology
Introduction. Thoracic epidural analgesia or thoracic epidural anaesthesia (TEA) and opioid-based intravenous multimodal analgesia (MMA) provide adequate control of perioperative pain, however, comparative data are still to be gathered.…
Lingyun Lai, Jing Qian, Yanjiao Yang et al. · 2013 · PLoS ONE
Background Low circulating vitamin D levels have been suggested to potentially contribute to acute complications in critically ill patients. However, in patients with acute kidney injury (AKI), whether vitamin D deficiency occurs and is a…
Fabio La Porta, S. Caselli, G. Lullini et al. · 2022 · medRxiv
Background: The fall risk in the elderly is a major public health issue due to the immediate injury-related consequences and the risk of associated long-term disability. However, the delivery of effective interventions for fall prevention…
K. Mattern-Baxter, J. Looper, Chuan Zhou et al. · 2020 · Archives of Physical Medicine and Rehabilitation
OBJECTIVE To compare the effect of low-intensity (LI) versus high-intensity (HI) TT on walking attainment and overall walking activity in children with cerebral palsy (CP). DESIGN Prospective, multi-site, randomized controlled trial…
A. Walls, M. Edwards, L. Firth et al. · 2017
There has been an increase in commercial-scale kelp cultivation in Europe, with fouling of cultivated kelp fronds presenting a major challenge to the growth and development of the industry. The presence of epibionts decreases productivity…
Loraine Gollino, M. Biagioni, Nathalia Regina Sabatini et al. · 2017 · Brazilian Journal of Otorhinolaryngology
Introduction In hypoparathyroidism, calcium supplementation using calcium carbonate is necessary for the hypocalcemia control. The best calcium carbonate intake form is unknown, be it associated with feeding, juice or in fasting. Objective…
F. Trinkmann, F. Kraus, M. Borggrefe et al. · 2011 · European Respiratory Journal
Background: Cardiac output (CO) is an important hemodynamic parameter, however its determination is difficult in daily clinical routine. Non-invasive inert gas rebreathing (IGR) showed promising results in recent investigations with the…