OOIR: Observatory of International Research

Papers

(The H4-Index of Heliyon is 74. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
Heavy metal pollution in the environment and their toxicological effects on humans	1671
The impact of physical activity on psychological health during Covid-19 pandemic in Italy	546
COVID pollution: impact of COVID-19 pandemic on global plastic waste footprint	361
Plastic pollution in the marine environment	342
Environmental effects of COVID-19 pandemic and potential strategies of sustainability	310
Commercial hydrogels for biomedical applications	272
Green synthesis of copper oxide nanoparticles for biomedical application and environmental remediation	243
Liposomes: structure, composition, types, and clinical applications	225
Photocatalytic degradation of methylene blue dye in aqueous solution by MnTiO3 nanoparticles under sunlight irradiation	221
Green synthesis of iron oxide nanoparticle using Carica papaya leaf extract: application for photocatalytic degradation of remazol yellow RR dye and antibacterial activity	219
COVID-19 pandemic, socioeconomic crisis and human stress in resource-limited settings: A case from Bangladesh	184
Environmental impact of bioplastic use: A review	182
SARS-CoV-2 spike protein S1 subunit induces pro-inflammatory responses via toll-like receptor 4 signaling in murine and human macrophages	177
Exploring COVID-19 stress and its factors in Bangladesh: A perception-based study	175
Lactic acid production – producing microorganisms and substrates sources-state of art	169
Innovative human resource management strategies during the COVID-19 pandemic: A systematic narrative review approach	162
Smart water quality monitoring system with cost-effective using IoT	154
Using an extended Technology Acceptance Model to understand students’ use of e-learning during Covid-19: Indonesian sport science education context	150
Purchase intention and purchase behavior online: A cross-cultural approach	147
Nanoparticles as antimicrobial and antiviral agents: A literature-based perspective study	134
Optimization of green biosynthesized visible light active CuO/ZnO nano-photocatalysts for the degradation of organic methylene blue dye	133
Barriers to distance learning during the COVID-19 outbreak: A qualitative review from parents’ perspective	132
Drug release study of the chitosan-based nanoparticles	131
Ibuprofen as an emerging organic contaminant in environment, distribution and remediation	128
Impact of age, sex, comorbidities and clinical symptoms on the severity of COVID-19 cases: A meta-analysis with 55 studies and 10014 cases	124

Recent progress in surface plasmon resonance based sensors: A comprehensive review	121
Activated carbon derived from waste orange and lemon peels for the adsorption of methyl orange and methylene blue dyes from wastewater	121
Multimedia tools in the teaching and learning processes: A systematic review	120
IL-6 and IL-10 as predictors of disease severity in COVID-19 patients: results from meta-analysis and regression	119
Production and processing of antioxidant bioactive peptides: A driving force for the functional food market	118
Farmers' choices and factors affecting adoption of climate change adaptation strategies: evidence from northwestern Ethiopia	117
Application of nanotechnology in agriculture, postharvest loss reduction and food processing: food security implication and challenges	117
HMGB1 as a potential biomarker and therapeutic target for severe COVID-19	114
Improving land-use change modeling by integrating ANN with Cellular Automata-Markov Chain model	113
Impact of absorber layer thickness, defect density, and operating temperature on the performance of MAPbI3 solar cells based on ZnO electron transporting material	112
The impact of entrepreneurship education and students' entrepreneurial mindset: the mediating role of attitude and self-efficacy	111
Economic growth in South Asia: the role of CO2 emissions, population density and trade openness	108
Green synthesis of antimicrobial silver nanoparticles using aqueous leaf extracts from three Congolese plant species (Brillantaisia patula, Crossopteryx febrifuga and Senna siamea)	106
Metaheuristic algorithms for PID controller parameters tuning: review, approaches and open problems	106
Multifunctional properties of spherical silver nanoparticles fabricated by different microbial taxa	104
Possibility of utilizing agriculture biomass as a renewable and sustainable future energy source	102
COVID-19 and household energy implications: what are the main impacts on energy use?	100
Utilization of food waste streams for the production of biopolymers	95
Development and initial psychometric properties of a panic buying scale during COVID-19 pandemic	91
Phycoremediation mechanisms of heavy metals using living green microalgae: physicochemical and molecular approaches for enhancing selectivity and removal capacity	91
Crosstalk between the microbiota-gut-brain axis and depression	90
Financial inclusion, economic growth, and poverty alleviation: evidence from eastern Indonesia	90
Aging - Oxidative stress, antioxidants and computational modeling	89
Plant growth-promoting rhizobacteria (PGPR) improve the growth and nutrient use efficiency in maize (Zea mays L.) under water deficit conditions	89
Effects of mobile augmented reality apps on impulse buying behavior: An investigation in the tourism field	89
Trade war effects: evidence from sectors of energy and resources in Africa	86
The global prevalence of depression, anxiety, stress, and, insomnia and its changes among health professionals during COVID-19 pandemic: A rapid systematic review and meta-analysis	86
Antiviral and immunomodulatory activity of curcumin: A case for prophylactic therapy for COVID-19	85
Smart parking systems: comprehensive review based on various aspects	84
Evaluation of smart and sustainable cities through a hybrid MCDM approach based on ANP and TOPSIS technique	83
Preparation and characterization of cellulose nanocrystal extracted from ramie fibers by sulfuric acid hydrolysis	82
Plastic wastes: environmental hazard and instrument for wealth creation in Nigeria	82
Additive manufacturing of Ti6Al4V alloy via electron beam melting for the development of implants for the biomedical industry	81
Additive manufacturing of titanium-based alloys- A review of methods, properties, challenges, and prospects	80
Investigating the cases of novel coronavirus disease (COVID-19) in China using dynamic statistical techniques	80
Adsorption and removal of crystal violet dye from aqueous solution by modified rice husk	80
Salicylic acid alleviated the effect of drought stress on photosynthetic characteristics and leaf protein pattern in winter wheat	80
Digital financial inclusion: A gateway to sustainable development	79
A review of green methods for phyto-fabrication of hematite (α-Fe2O3) nanoparticles and their characterization, properties, and applications	78
Adsorption of methyl violet dye onto a prepared bio-adsorbent from date seeds: isotherm, kinetics, and thermodynamic studies	77
Evolution of adsorption process for manganese removal in water via agricultural waste adsorbents	76
Modeling domestic tourism: motivations, satisfaction and tourist behavioral intentions	76
Investigations on 2-(4-Cyanophenylamino) acetic acid by FT-IR,FT-Raman, NMR and UV-Vis spectroscopy, DFT (NBO, HOMO-LUMO, MEP and Fukui function) and molecular docking studies	76
Moving towards environmental sustainability: information and communication technology (ICT), freight transport, and CO2 emissions	75
Environmentally sustainable processes for the synthesis of hydroxyapatite	75
Childhood diarrhoeal diseases in developing countries	75
PV cells and modules – State of the art, limits and trends	74
Basic concepts and methodologies of DNA marker systems in plant molecular breeding	74
Urban river pollution in Bangladesh during last 40 years: potential public health and ecological risk, present policy, and future prospects toward smart water management	74
Molecular docking, molecular dynamics, and in vitro studies reveal the potential of angiotensin II receptor blockers to inhibit the COVID-19 main protease	74

A systematic review on ethnopharmacology, phytochemistry and pharmacological aspects of Thymus vulgaris Linn.	74
Phytochemistry, pharmacological activity, and potential health benefits of Glycyrrhiza glabra	74