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.
19821 results in Negative / Null Result Report · page 194 of 661
D. Pevni, T. Ziv-Baran, A. Kramer et al. · 2020 · Annals of Thoracic Surgery
BACKGROUND Bilateral internal thoracic artery grafts (BITA) is questionable in octogenarians because of shorter life expectancy and increased risk of perioperative complications. The aim of this study was to examine the safety and…
F. Takahashi, Takaharu Hakozaki, Shigenori Kouno et al. · 2018 · Journal of Veterinary Medical Science
We compared clinical outcomes after ventral fixation in dogs with atlantoaxial instability (AAI) on the basis of the presence or absence of atlantooccipital overlapping (AOO). Of 41 dogs diagnosed with AAI and treated ventral fixation, 12…
Puriwat Malakorn
The aim of this study was to compare the fracture resistance and failure mode of non-ferruled ETT restored with different fiber post and core methods after five years in vitro fatigue loading. Forty-eight uniradicular lower first premolar…
Prof. Adel M. ElAdl · 2023 · المجلة الدولية للعلوم التربوية والتكنولوجية والتنمية
: This study aimed to identify the adequacy of mindfulness among university students, and its relationship to digital citizenship. To achieve that goal, the researcher used the descriptive, correlational, comparative approach. The study…
Najmeh Jahani, M. Hasanzadeh, Sara Mirzaeian et al. · 2023 · Current Women s Health Reviews
Hydatiform mole can progress to gestational trophoblastic neoplasia (GTN), and we are looking for non-invasive methods to predict it. Old age, higher serum BHCG levels, and expression of genes, such as VEGF-EG, HIF-1α, and TGF-ß are known…
S. Firdausi, H. D. Rizqi, F. Yusmar et al. · 2025 · JPBI (Jurnal Pendidikan Biologi Indonesia)
Scientific literacy is recognized as a critical and essential 21st-century competency, particularly in response to global challenges that demand individuals to think critically, solve problems, and make evidence-based decisions. This study…
Chiman َ Alyarnezhad, Ali Shams Majalan · 2021 · Journal of Sport Biomechanics
Objective: Different timing of performing stretching and strengthening exercises can have different effects on the condition of Lower Crossed Syndrome (LCS). This study aims to compare the effects of eight-week training using stretching…
Paulo Gago, A. Arndt, M. Ekblom · 2017 · Journal of Human Kinetics
Abstract Flexing the knee to isolate the single joint soleus from the biarticular gastrocnemius is a strategy for investigating individual plantarflexor’s post activation potentiation (PAP). We investigated the implications of testing…
Omer Bozduman, Kadri Yıldız, Bilal Aykaç et al. · 2025 · Turkish Neurosurgery
AIM To establish the presence and amount of fluid accumulation in UBE procedure, and the relationship of fluid management with other variables. MATERIAL AND METHODS All patients underwent UBE spinal surgery with one level between September…
N. Minian, Sheleza Ahad, Anna Ivanova et al. · 2021 · Implementation Science
Background Knowledge brokering is a knowledge translation approach that has been gaining popularity in Canada although the effectiveness is unknown. This study evaluated the effectiveness of generalised, exclusively email-based prompts…
Yasemin Arı · 2021 · Kinesiologia Slovenica
The aim of this study is to investigate the acute effects of different stretching methods on acceleration, vertical jump (CMJ), flexibility and upper extremity performance of young wrestlers. 8 young female wrestlers (15.37 ± 1.06 years;…
M. Haugen, F. T. Vårvik, J. Grgic et al. · 2023 · European Journal of Nutrition
The aim of this study was to explore the isolated and combined effects of caffeine and citrulline malate (CitMal) on jumping performance, muscular strength, muscular endurance, and pain perception in resistance-trained participants. Using…
Z. Abdulrahman, Hamza Naciri, A. Allal et al. · 2017
Background: ABO-incompatible (ABOi) is as efficient as ABO-compatible (ABOc) kidneytransplantation in the setting of live-donation. Objectives: To evaluate the long-term outcomes (i.e. >6 months) of 44 consecutive ABOi living-donor…
Ulysse Rocabert, Maxim A. Parnicki-Krollik, F. Maccari et al. · 2024 · ACS Omega
This study investigates the chemical, physical, and magnetic properties of Mn–Al–C type magnets, focusing on their corrosion resistance. The hot compaction process is used for densification, producing isotropic magnets. Microstructural…
Y. Bekhuis, R. Robberechts, T. Rosseel et al. · 2024 · European Journal of Preventive Cardiology
Post-exercise ketone supplementation (PEKS) is commonly used in endurance athletes to alleviate overtraining symptoms and to stimulate recovery. The introduction of PEKS can blunt the development of symptoms associated with overtraining,…
Yakun Wang, Hong Wang · 2022 · Computational and Mathematical Methods in Medicine
The aim of this study was to explore the influences of nonstrabismic amblyopia on quality of life in adolescents. Health-related quality of life (HRQoL) scale, a multidimensional construct that indicates a fundamental health outcome, was…
Liana Chaharmahali, F. Gandomi, A. Yalfani et al. · 2021 · Journal of Orthopaedic Surgery and Research
Background Giving way and knee instability are common problems in patients with knee osteoarthritis, disrupting the daily activities and balance of the affected individual. The present study aimed to evaluate the postural control status of…
A. Moyano, Bongiwe Ndlovu, Msizi Mbele et al. · 2023 · PLoS ONE
Previous work suggests that HIV controllers with protective human leukocyte antigen class I alleles (VC+) possess a high breadth of Gag-specific CD8+ T cell responses, while controllers without protective alleles (VC-) have a different…
Xingchen Wei, Ronghui Xia, Chenxi Wei et al. · 2024 · Molecules
This study assessed the nutritional profile of camellia oil through its fatty acid composition, highlighting its high oleic acid content (81.4%), followed by linoleic (7.99%) and palmitic acids (7.74%), demonstrating its excellence as an…
J. Bang, Jong Wook Kim, J. Lee et al. · 2012 · The Korean journal of thoracic and cardiovascular surgery
Background The aim of this study is to evaluate our institutional results of the aortic valve replacement through minimally invasive approaches compared with conventional sternotomy. Materials and Methods From August 1997 to July 2010, 838…
Beatriz Barbosa de Brito, Beatriz Krüger, Lucas Souza da Silva et al. · 2025 · ACS Omega
In this study, cellulose filaments were obtained from the dissolution of an industrial cotton residue in the ionic liquids (ILs) 1-ethyl-3-methylimidazolium chloride ([Emim]Cl) and 1-ethyl-3-methylimidazolium acetate ([Emim]OAc) using…
María Berta Alonso Polo, C. Peix, P. Velasco et al. · 2024 · The Archives of Bone & Joint Surgery
Objectives: Treatment of subtrochanteric fractures of the proximal femur may be challenging due to their anatomical and biomechanical features. Intramedullary nails are the most frequently used devices, although there is no consensus…
Larissa Corrêa Lopes Quadros, J. Gomes · 2020
Research is needed to subsidize foresters to manage the forest for better use of wood. To help in the research, analyzing the diameter distribution, the species can be grouped according to their characteristics concerning the diameter…
Jiacheng Bai, Yuheng Liu, Yixi Chen et al. · 2024 · Agronomy
Nitrogen is one of the essential nutrients for the growth and development of potato plants. The precise application of nitrogen can improve the yield and quality of potatoes and enhance their resistance to diseases. The changes in the…
S. Tavasoli, A. Zarnani, Mohamadreza Vafa et al. · 2014 · International Journal of Preventive Medicine
Background: Sepsis is one of the major causes of death in intensive care units. Oxidative stress and hyper-inflammation has been shown to be major cause of mortality and morbidity in septic cases. Pomegranate is a fruit considered for its…
Ozgel E, Atalayin Ozkaya C, Armagan G et al. · 2026 · BMC oral health
Objective To evaluate the effectiveness of different remineralization agents on artificially initial caries created teeth. Method The bovine teeth crowns were divided into four equal-parts, and initial measurements (microhardness,…
Zia A, Baldwin A, Nlemorisa C et al. · 2026 · International journal of dentistry
Objective To assess the influence of gold nanoparticle (AuNP) liquid-phase modification of glass ionomer cement (GIC) on fibroblast metabolic activity, alongside its effects on surface hardness and roughness, in an exploratory pilot in…
Wekwejt M, Chevallier P, Desgagne F et al. · 2026 · ACS applied materials & interfaces
Hydrogels represent a versatile platform for regenerative applications; nevertheless, their translation is often limited by insufficient biofunctionality and poorly defined structure-property relationships in multicomponent networks. In…
Abdelrahman M, Maher S, Lindow SW et al. · 2026 · International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics
Objective Recent previous studies have revealed outcomes of higher risk of low birth weight, small for gestational age, and pre-eclampsia for vegan pregnant women compared to other diets. This review examined if patients with vegan diet in…
Maalouf F, El Hachem R, Zogheib C · 2026 · European endodontic journal
Objective The key to the success of any endodontic treatment is proper irrigation of the canal system in order to eliminate bacterial infections, pulpal tissues, and debris created during the shaping of the canal. Due to the complex…