Negative / Null Result Report2013
Aggregation Kinetics of Graphene Oxides in Aqueous Solutions: Experiments, Mechanisms, and Modeling
Langmuir
Failure-mode index
Negative results in Engineering
135 indexed negative results, null findings, and replication failures in Engineering. Each entry is a real published study whose primary finding was negative — learn what already failed before you repeat it.
Most-cited failures in Engineering
Negative / Null Result Report2020
The reaction between metakaolin and limestone and its effect in porosity refinement and mechanical properties
Cement and Concrete Research
Negative / Null Result Report2017
Tuning Alginate Bioink Stiffness and Composition for Controlled Growth Factor Delivery and to Spatially Direct MSC Fate within Bioprinted Tissues
Scientific Reports
Negative / Null Result Report2012
Ex-situ characterisation of gas diffusion layers for proton exchange membrane fuel cells
Journal of Power Sources
Negative / Null Result Report2019
Cobb Angle Measurement of Spine from X-Ray Images Using Convolutional Neural Network
Computational and Mathematical Methods in Medicine
Negative / Null Result Report2011
Determinants of residential water consumption: Evidence and analysis from a 10‐country household survey
Water Resources Research
Negative / Null Result Report2021
Connecting the Countryside via E-Commerce: Evidence from China
American Economic Review Insights
Negative / Null Result Report2012
Comparison of Interior and Surface PM Machines Equipped With Fractional-Slot Concentrated Windings for Hybrid Traction Applications
IEEE Transactions on Energy Conversion
Negative / Null Result Report2018
DOES ICT GENERATE ECONOMIC GROWTH? A META‐REGRESSION ANALYSIS
Journal of Economic Surveys
Negative / Null Result Report2022
A conceptual model for the adoption of autonomous robots in supply chain and logistics industry
Uncertain Supply Chain Management
Negative / Null Result Report2010
Patellar shape can be a predisposing factor in patellar instability
Knee Surgery Sports Traumatology Arthroscopy
Negative / Null Result Report2023
Study of nonlinear radiative heat transfer with magnetic field for non-Newtonian Casson fluid flow in a porous medium
Results in Physics
Negative / Null Result Report2010
Significant differences in the material properties between aged human and porcine aortic tissues
European Journal of Cardio-Thoracic Surgery
Failed Experiment Report2016
Polarization and Dielectric Study of Methylammonium Lead Iodide Thin Film to Reveal its Nonferroelectric Nature under Solar Cell Operating Conditions
ACS Energy Letters
Negative / Null Result Report2020
<p>Low-Dose Exposure of Silica Nanoparticles Induces Neurotoxicity via Neuroactive Ligand–Receptor Interaction Signaling Pathway in Zebrafish Embryos</p>
International Journal of Nanomedicine
Negative / Null Result Report2010
Biochar as a Fuel: 2. Significant Differences in Fuel Quality and Ash Properties of Biochars from Various Biomass Components of Mallee Trees
Energy & Fuels
Failed Experiment Report2013
A Markov-Middleton Model for Bursty Impulsive Noise: Modeling and Receiver Design
IEEE Transactions on Power Delivery
Negative / Null Result Report2014
The Use of an Extracorporeal Membrane Oxygenation Anticoagulation Laboratory Protocol Is Associated With Decreased Blood Product Use, Decreased Hemorrhagic Complications, and Increased Circuit Life*
Pediatric Critical Care Medicine
Negative / Null Result Report2019
Effective and Noneffective Recombination Center Defects in Cu2ZnSnS4: Significant Difference in Carrier Capture Cross Sections
Chemistry of Materials
Replication Failure2016
Investigating dry reforming of methane with spatial reactor profiles and particle‐resolved CFD simulations
AIChE Journal
Negative / Null Result Report2019
MR-guided Focused Ultrasound Facilitates Sonodynamic Therapy with 5-Aminolevulinic Acid in a Rat Glioma Model
Scientific Reports
Negative / Null Result Report2011
Hemolysis During Cardiac Extracorporeal Membrane Oxygenation: A Case-Control Comparison of Roller Pumps and Centrifugal Pumps in a Pediatric Population
ASAIO Journal
Negative / Null Result Report2021
Evaluation of biases in remote photoplethysmography methods
npj Digital Medicine
Negative / Null Result Report2021
Configurational Isomers Induced Significant Difference in All‐Polymer Solar Cells
Advanced Functional Materials
Negative / Null Result Report2012
Fixed Effects Estimation of the Intensive and Extensive Margins of Irrigation Water Demand
AgEcon Search (University of Minnesota, USA)
Negative / Null Result Report2015
The inter-sample structural variability of regular tissue-engineered scaffolds significantly affects the micromechanical local cell environment
Interface Focus
Negative / Null Result Report2017
Google Earth elevation data extraction and accuracy assessment for transportation applications
PLoS ONE
Negative / Null Result Report2020
Design, additive manufacturing, and performance of heat exchanger with a novel flow-path architecture
Applied Thermal Engineering
Failed Experiment Report2023
A microfluidic transistor for automatic control of liquids
Nature
Negative / Null Result Report2019
A Learning-Based Solution for an Adversarial Repeated Game in Cyber–Physical Power Systems
IEEE Transactions on Neural Networks and Learning Systems
Negative / Null Result Report2014
Respirable Silica Dust Suppression During Artificial Stone Countertop Cutting
The Annals of Occupational Hygiene
Negative / Null Result Report2017
Measurements of the 60 GHz UE to eNB Channel for Small Cell Deployments
IEEE Wireless Communications Letters
Negative / Null Result Report2011
An Array-Based Odometer System for Statistically Significant Circuit Aging Characterization
IEEE Journal of Solid-State Circuits
Negative / Null Result Report2015
Microbead-guided reconstruction of the 3D osteocyte network during microfluidic perfusion culture
Journal of Materials Chemistry B
Negative / Null Result Report2019
Evaluating performance of selected vehicle following models using trajectory data under mixed traffic conditions
Journal of Intelligent Transportation Systems
Negative / Null Result Report2021
Various Simulated Body Fluids Lead to Significant Differences in Collagen Tissue Engineering Scaffolds
Materials
Negative / Null Result Report2014
Fire Toxicity Assessment: Comparison of Asphyxiant Yields from Laboratory and Large Scale Flaming Fires
Fire Safety Science
Negative / Null Result Report2018
Treatment of displaced transverse fractures of the patella: modified tension band wiring technique with or without augmented circumferential cerclage wire fixation
BMC Musculoskeletal Disorders
Negative / Null Result Report2018
MPCA SGD—A Method for Distributed Training of Deep Learning Models on Spark
IEEE Transactions on Parallel and Distributed Systems
Negative / Null Result Report2018
A Practical Comparison of N-Body Algorithms
Figshare
Negative / Null Result Report2026
Optimizing solar and wind forecasting with iHow optimization algorithm and multi-scale attention networks
Scientific Reports
Negative / Null Result Report2025
Enhancing stability and power quality in electric vehicle charging stations powered by hybrid energy sources through harmonic mitigation and load management
Scientific Reports
Negative / Null Result Report2021
Multi-band provisioning in dynamic elastic optical networks: a comparative study of a heuristic and a deep reinforcement learning approach
Negative / Null Result Report2017
Systematic Strategy for Obtaining a Dividing-Wall Column Applied to an Extractive Distillation Process
Industrial & Engineering Chemistry Research
Negative / Null Result Report2018
Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes
Materials & Design
Negative / Null Result Report2019
Analysis of water distribution network under pressure-deficient conditions through emitter setting
Drinking water engineering and science
Negative / Null Result Report2018
Part Qualification Methodology for Composite Aircraft Components Using Acoustic Emission Monitoring
Applied Sciences
Negative / Null Result Report2020
Numerical simulation of oscillatory flow and heat transfer in pulsating heat pipes with multi-turns using OpenFOAM
Numerical Heat Transfer Part A Applications
Negative / Null Result Report2010
An on-chip monitor for statistically significant circuit aging characterization
Negative / Null Result Report2016
Treatment of Glioma Using neuroArm Surgical System
BioMed Research International