Research gap analyses

Showing 1,381–1,440 of 1,614 gap analyses · page 24 of 27

• The gap is the lack of understanding of the effects of drying-wetting cycles on the soil-water characteristic curve. The paper identifies the need for a multiscale experimental methodology to investig

  The gap is the lack of understanding of the effects of drying-wetting cycles on the soil-water characteristic curve. The paper identifies the need for a multiscale experimental methodology to investigate the soil response upon multiple dryi

  Agriculture · 3 papers · avg 2026 · weak evidence
• Abstract The dynamics of methane (CH4) cycling in high-latitude peatlands through different pathways of methanogenesis and methanotrophy are still poorly understood due to the spatiotemporal complexit

  Abstract The dynamics of methane (CH4) cycling in high-latitude peatlands through different pathways of methanogenesis and methanotrophy are still poorly understood due to the spatiotemporal complexity of microbial activities and biogeochem

  Agriculture · 3 papers · avg 2021.3 · weak evidence
• The mechanisms of postfire recovery in the arid regions of Eurasia are not well understood. There is a lack of knowledge on the role of burn severity and environmental factors in shaping forest recove

  The mechanisms of postfire recovery in the arid regions of Eurasia are not well understood. There is a lack of knowledge on the role of burn severity and environmental factors in shaping forest recovery trajectories. The study aims to addre

  Agriculture · 3 papers · avg 2024.7 · weak evidence
• Plastic film mulching (PM) is widely used to improve soil temperature and moisture in rainfed agriculture, but the combined effects of PM proportions and nitrogen (N) fertilization on spring maize und

  Plastic film mulching (PM) is widely used to improve soil temperature and moisture in rainfed agriculture, but the combined effects of PM proportions and nitrogen (N) fertilization on spring maize under different hydrological conditions rem

  Agriculture · 3 papers · avg 2025.3 · weak evidence
• The gap between land surface and crop models in simulating irrigation. The complexity of irrigation modeling, particularly in highly irrigated regions. The need to evaluate irrigation estimates from d

  The gap between land surface and crop models in simulating irrigation. The complexity of irrigation modeling, particularly in highly irrigated regions. The need to evaluate irrigation estimates from different models at the pixel and basin s

  Agriculture · 3 papers · avg 2025.3 · weak evidence
• The ecological impacts of microalgae on higher trophic levels, particularly eukaryotic plankton communities, are not well understood. There is a lack of studies investigating the effects of microalgae

  The ecological impacts of microalgae on higher trophic levels, particularly eukaryotic plankton communities, are not well understood. There is a lack of studies investigating the effects of microalgae on the size-dependent assembly and shor

  Biology · 3 papers · avg 2025.3 · weak evidence
• The paper identifies a gap in the understanding of the dynamic regulatory mechanisms and cell-type specificity of autophagy in PAH. There is a need to further elucidate the role of autophagy in PAH an

  The paper identifies a gap in the understanding of the dynamic regulatory mechanisms and cell-type specificity of autophagy in PAH. There is a need to further elucidate the role of autophagy in PAH and to identify potential therapeutic stra

  Biology · 3 papers · avg 2024.7 · weak evidence
• future studies employing post-treatment administration schedules via cardiotropic vectors such as AAV9 will be essential to evaluate whether restoring miR-15b can reverse or arrest ongoing anthracycli

  future studies employing post-treatment administration schedules via cardiotropic vectors such as AAV9 will be essential to evaluate whether restoring miR-15b can reverse or arrest ongoing anthracycline-induced cardiotoxicity in established

  Biology · 3 papers · avg 2026 · weak evidence
• The study identifies a gap in understanding the morpho-functional strategies of grapevine rootstocks under controlled conditions. There is a need to elucidate the hydraulic, morphological, and physiol

  The study identifies a gap in understanding the morpho-functional strategies of grapevine rootstocks under controlled conditions. There is a need to elucidate the hydraulic, morphological, and physiological responses of different rootstocks

  Biology · 3 papers · avg 2026 · weak evidence
• The paper identifies a gap in understanding how mitochondria contribute to ageing and how their dysfunction can be addressed. It notes that existing frameworks for understanding mitochondrial dysfunct

  The paper identifies a gap in understanding how mitochondria contribute to ageing and how their dysfunction can be addressed. It notes that existing frameworks for understanding mitochondrial dysfunction are limited and do not account for t

  Biology · 3 papers · avg 2026 · weak evidence
• The paper identifies a need for a comprehensive overview of resveratrol's biological activity and its potential as a therapeutic agent. It highlights the importance of understanding resveratrol's mole

  The paper identifies a need for a comprehensive overview of resveratrol's biological activity and its potential as a therapeutic agent. It highlights the importance of understanding resveratrol's molecular mechanisms and its influence on ch

  Biology · 3 papers · avg 2026 · weak evidence
• reliance on laboratory-confirmed cases, which might potentially underestimate the true burden of EV-D68, because milder cases frequently go undiagnosed - surveillance data might not be uniformly colle

  reliance on laboratory-confirmed cases, which might potentially underestimate the true burden of EV-D68, because milder cases frequently go undiagnosed - surveillance data might not be uniformly collected across Europe - the limited number

  Biology · 3 papers · avg 2025.3 · weak evidence
• There is a lack of understanding of the interplay between polyphenolic architecture and electronic descriptors in antioxidant research. The paper identifies a gap in the development of effective antio

  There is a lack of understanding of the interplay between polyphenolic architecture and electronic descriptors in antioxidant research. The paper identifies a gap in the development of effective antioxidants, which requires a precise, mecha

  Biology · 3 papers · avg 2025.7 · weak evidence
• One challenge is the potential for off-target effects in CRISPR/Cas9 editing, which can be mitigated using tools like CRISPOR to predict on-target activity. Another challenge is the need to optimize g

  One challenge is the potential for off-target effects in CRISPR/Cas9 editing, which can be mitigated using tools like CRISPOR to predict on-target activity. Another challenge is the need to optimize guide RNA design for efficient editing, w

  Biology · 3 papers · avg 2026 · weak evidence
• There is limited prevalence data on farms and larger slaughter facilities, which constrains understanding of AIV transmission risk. The focus on live bird markets has diverted attention from larger sl

  There is limited prevalence data on farms and larger slaughter facilities, which constrains understanding of AIV transmission risk. The focus on live bird markets has diverted attention from larger slaughter facilities, despite their key ro

  Biology · 3 papers · avg 2025.7 · weak evidence
• The paper identifies the challenge of inter-individual variability in metabolic responses and the differences in microbial composition and metabotypes. It highlights the limitations of extrapolating i

  The paper identifies the challenge of inter-individual variability in metabolic responses and the differences in microbial composition and metabotypes. It highlights the limitations of extrapolating in vitro findings to in vivo systems. The

  Biology · 3 papers · avg 2025.3 · weak evidence
• Investigating the role of the soil and rhizosphere microbiome in mitigating low-light stress, - Elucidating the mechanistic links between photoreceptor signalling and reproductive stability, - Examini

  Investigating the role of the soil and rhizosphere microbiome in mitigating low-light stress, - Elucidating the mechanistic links between photoreceptor signalling and reproductive stability, - Examining the impacts of low-light stress on ro

  Biology · 3 papers · avg 2026 · weak evidence
• The study faces challenges in establishing baseline levels of microplastic contamination in fish from the estuary due to the lack of prior research. The paper encounters difficulties in identifying an

  The study faces challenges in establishing baseline levels of microplastic contamination in fish from the estuary due to the lack of prior research. The paper encounters difficulties in identifying and quantifying microplastics due to their

  Biology · 3 papers · avg 2024.3 · weak evidence
• The need for sustainable materials capable of mitigating environmental contaminants effectively. The lack of cost-effective, scalable, and sustainable solutions for wastewater treatment and pollutant

  The need for sustainable materials capable of mitigating environmental contaminants effectively. The lack of cost-effective, scalable, and sustainable solutions for wastewater treatment and pollutant degradation. The need for further resear

  Chemistry · 3 papers · avg 2025.3 · weak evidence
• While structural evolution of electrocatalysts under working conditions has garnered considerable attention, as the evolved structure often dictates catalytic activity, the mechanisms driving these tr

  While structural evolution of electrocatalysts under working conditions has garnered considerable attention, as the evolved structure often dictates catalytic activity, the mechanisms driving these transformations and catalytic performance

  Chemistry · 3 papers · avg 2024.3 · weak evidence
• Biofouling remains one of the most severe challenges in real biological matrices such as blood, serum, or sweat. The need to balance performance and stability in conducting polymer-based electrochemic

  Biofouling remains one of the most severe challenges in real biological matrices such as blood, serum, or sweat. The need to balance performance and stability in conducting polymer-based electrochemical sensors and biosensors. The lack of s

  Chemistry · 3 papers · avg 2026 · weak evidence
• Strategic engineering of composition and defects in high-entropy alloy (HEA) catalysts represents a critical frontier for advancing catalytic technologies, yet this synergistic approach remains undere

  Strategic engineering of composition and defects in high-entropy alloy (HEA) catalysts represents a critical frontier for advancing catalytic technologies, yet this synergistic approach remains underexplored in current materials research.

  Chemistry · 3 papers · avg 2025.7 · weak evidence
• The removal of residual metal contaminants from the black mass following the leaching process. The preservation of the graphite framework during the washing steps. The need for efficient and low-impac

  The removal of residual metal contaminants from the black mass following the leaching process. The preservation of the graphite framework during the washing steps. The need for efficient and low-impact purification routes for graphite recov

  Chemistry · 3 papers · avg 2026 · weak evidence
• Investigate the effects of other environments, such as humidity and temperature, on the corrosion behavior of the coating. Study the long-term stability of the coating in various environments. Develop

  Investigate the effects of other environments, such as humidity and temperature, on the corrosion behavior of the coating. Study the long-term stability of the coating in various environments. Develop new coatings with improved corrosion re

  Chemistry · 3 papers · avg 2026 · weak evidence
• This strategy is not limited to the model polyethylene but also demonstrates remarkable efficiency in the depolymerization of various widely used polyethylene-rich plastics, enabling an economically v

  This strategy is not limited to the model polyethylene but also demonstrates remarkable efficiency in the depolymerization of various widely used polyethylene-rich plastics, enabling an economically viable and environmentally benign chemica

  Chemistry · 3 papers · avg 2025.5 · weak evidence
• There is a lack of effective nutritional strategies that enhance gut barrier integrity and systemic health in broiler chickens. The use of antibiotics in animal feed has been discontinued, but sustain

  There is a lack of effective nutritional strategies that enhance gut barrier integrity and systemic health in broiler chickens. The use of antibiotics in animal feed has been discontinued, but sustainable and safe alternatives are needed. T

  Chemistry · 3 papers · avg 2025.8 · weak evidence
• Achieving high filler loading, flexibility, and high thermal conductivity in BN-based polymer composites remains a significant challenge. Existing thermal interface materials have limitations in terms

  Achieving high filler loading, flexibility, and high thermal conductivity in BN-based polymer composites remains a significant challenge. Existing thermal interface materials have limitations in terms of thermal conductivity and electrical

  Chemistry · 3 papers · avg 2023.7 · weak evidence
• The lack of flexible transducers that combine conformal contact with improved structural and chemical robustness. The limitations of polymer-based substrates in terms of mechanical fatigue, swelling o

  The lack of flexible transducers that combine conformal contact with improved structural and chemical robustness. The limitations of polymer-based substrates in terms of mechanical fatigue, swelling or dehydration, and chemical aging. The n

  Chemistry · 3 papers · avg 2026 · weak evidence
• The lack of research on the use of indurated laterites and lateritic soils as ferro-kaolinites for geopolymer synthesis. The need for a comparative study of the properties of geopolymer materials prod

  The lack of research on the use of indurated laterites and lateritic soils as ferro-kaolinites for geopolymer synthesis. The need for a comparative study of the properties of geopolymer materials produced from indurated laterites and lateri

  Chemistry · 3 papers · avg 2025.8 · weak evidence
• The investigation of other metal oxide nanoparticles as potential alternative catalysts for OER. The development of more efficient and cost-effective methods for synthesizing CuO nanoparticles. The ex

  The investigation of other metal oxide nanoparticles as potential alternative catalysts for OER. The development of more efficient and cost-effective methods for synthesizing CuO nanoparticles. The exploration of the use of CuO nanoparticle

  Chemistry · 3 papers · avg 2025.3 · weak evidence
• Existing methods for antibiotic wastewater treatment have limitations, such as insufficient adsorption capacity and difficulties in adsorbent regeneration. There is a need for efficient, economical, a

  Existing methods for antibiotic wastewater treatment have limitations, such as insufficient adsorption capacity and difficulties in adsorbent regeneration. There is a need for efficient, economical, and environmentally friendly technologies

  Chemistry · 3 papers · avg 2026 · weak evidence
• The limitations of anodic oxidation's oxidation capacity and scope. The slow kinetics of electrochemical decomposition of water molecules at the anode surface. The lack of a cost-effective and efficie

  The limitations of anodic oxidation's oxidation capacity and scope. The slow kinetics of electrochemical decomposition of water molecules at the anode surface. The lack of a cost-effective and efficient approach for industrial-scale electro

  Chemistry · 3 papers · avg 2025.5 · weak evidence
• Further study is needed to understand the formation mechanism of secondary organic aerosols. Research on the impact of meteorological conditions on aerosol pollution is needed. Investigation of the ef

  Further study is needed to understand the formation mechanism of secondary organic aerosols. Research on the impact of meteorological conditions on aerosol pollution is needed. Investigation of the effects of VOCs and NO x reductions on aer

  Chemistry · 3 papers · avg 2025 · weak evidence
• There is a lack of standardized synthesis protocols for biogenic nanoparticles. Long-term toxicological data for biogenic nanoparticles are incomplete. The paper identifies the need for more rigorous

  There is a lack of standardized synthesis protocols for biogenic nanoparticles. Long-term toxicological data for biogenic nanoparticles are incomplete. The paper identifies the need for more rigorous in vivo and long-term safety assessments

  Chemistry · 3 papers · avg 2026 · weak evidence
• However, the mechanism of catalysis using nanocatalysts under photo‐illumination is not fully understood because of the complexity involved in three major steps during the oxygen evolution reaction: p

  However, the mechanism of catalysis using nanocatalysts under photo‐illumination is not fully understood because of the complexity involved in three major steps during the oxygen evolution reaction: photoabsorption on nanocatalyst, hole tra

  Chemistry · 3 papers · avg 2025.7 · weak evidence
• Investigating the use of other natural fibres for the strengthening of reinforced concrete members, - Developing design codes that account for natural fibre composites and hybrid composites, - Studyin

  Investigating the use of other natural fibres for the strengthening of reinforced concrete members, - Developing design codes that account for natural fibre composites and hybrid composites, - Studying the long-term durability of natural fi

  Chemistry · 3 papers · avg 2025.3 · weak evidence
• Conventional treatments are limited in their effectiveness for removing persistent synthetic dyes from industrial effluents. There is a need for effective treatment strategies capable of reducing the

  Conventional treatments are limited in their effectiveness for removing persistent synthetic dyes from industrial effluents. There is a need for effective treatment strategies capable of reducing the organic pollutant load before wastewater

  Chemistry · 3 papers · avg 2026 · weak evidence
• Development of new electrochemical carbon capture technologies, - Development of new fuel production technologies, - Development of new energy storage technologies, - Further investigation of ionowax

  Development of new electrochemical carbon capture technologies, - Development of new fuel production technologies, - Development of new energy storage technologies, - Further investigation of ionowax membranes in aqueous redox-flow batterie

  Chemistry · 3 papers · avg 2026 · weak evidence
• cross-sectional design limits the ability to capture longterm physiological and health changes, - selection bias due to the highly specific, motivated, and generally health-conscious subgroup of maste

  cross-sectional design limits the ability to capture longterm physiological and health changes, - selection bias due to the highly specific, motivated, and generally health-conscious subgroup of master endurance runners, - indirect estimati

  Computer Science · 3 papers · avg 2025.3 · weak evidence
• Development of a shared feature representation space enabling the integration of data originating from different sensing technologies and construction of more universal diagnostic systems [71,72]. Fur

  Development of a shared feature representation space enabling the integration of data originating from different sensing technologies and construction of more universal diagnostic systems [71,72]. Further development of diagnostic methods r

  Computer Science · 3 papers · avg 2026 · weak evidence
• Existing differentially private federated learning methods often cause significant degradation in model performance due to the noise required to satisfy differential privacy guarantees. Fixed noise-in

  Existing differentially private federated learning methods often cause significant degradation in model performance due to the noise required to satisfy differential privacy guarantees. Fixed noise-injection strategies following gradient cl

  Computer Science · 3 papers · avg 2026 · weak evidence
• develop the remaining components using collaborative filtering and demographic-based methodologies - integrate them into the Big Data architecture framework of the Hybrid Tourism Recommendation System

  develop the remaining components using collaborative filtering and demographic-based methodologies - integrate them into the Big Data architecture framework of the Hybrid Tourism Recommendation System - augment the database with additional

  Computer Science · 3 papers · avg 2026 · weak evidence
• The paper identifies a gap in the current approaches for cardiac disorder detection, which often require computationally expensive deep learning architectures. The study highlights the need for a more

  The paper identifies a gap in the current approaches for cardiac disorder detection, which often require computationally expensive deep learning architectures. The study highlights the need for a more efficient and effective approach for fe

  Computer Science · 3 papers · avg 2026 · weak evidence
• There is a lack of research addressing the impact of menstrual cycle phases on daily physical activity in women with natural menstrual cycles. Prior studies often lack rigorous hormonal verification.

  There is a lack of research addressing the impact of menstrual cycle phases on daily physical activity in women with natural menstrual cycles. Prior studies often lack rigorous hormonal verification. The study aims to fill this gap by exami

  Computer Science · 3 papers · avg 2026 · weak evidence
• The lack of access to source imagery and limited target annotations exacerbates the problem of landslide segmentation models degrading when transferred to a different geographic region. Prior work has

  The lack of access to source imagery and limited target annotations exacerbates the problem of landslide segmentation models degrading when transferred to a different geographic region. Prior work has not adequately addressed this problem,

  Computer Science · 3 papers · avg 2026 · weak evidence
• The volume and variety of data exceed manual interpretation, requiring machine learning models for multi-source integration and predictive estimates. Recurring limitations in external validation and i

  The volume and variety of data exceed manual interpretation, requiring machine learning models for multi-source integration and predictive estimates. Recurring limitations in external validation and interpretability of machine learning mode

  Computer Science · 3 papers · avg 2025.7 · weak evidence
• The variability in map objects across multiple scales, influenced by map generalization and genuine changes in geographical features. The need to capture complex, multi-dimensional characteristics of

  The variability in map objects across multiple scales, influenced by map generalization and genuine changes in geographical features. The need to capture complex, multi-dimensional characteristics of buildings. The challenge of integrating

  Computer Science · 3 papers · avg 2025.7 · weak evidence
• The paper identifies the need for early identification of degradation-induced structural changes in lithium-ion batteries. Traditional methods for assessing battery health often rely on electric measu

  The paper identifies the need for early identification of degradation-induced structural changes in lithium-ion batteries. Traditional methods for assessing battery health often rely on electric measurements, which may not be sufficient for

  Computer Science · 3 papers · avg 2026 · weak evidence
• Only 15 out of the 501 initially identified studies were included, - The strict eligibility criteria may have excluded some training programs developed for this population, - The scope of this review

  Only 15 out of the 501 initially identified studies were included, - The strict eligibility criteria may have excluded some training programs developed for this population, - The scope of this review was limited to the load components of st

  Computer Science · 3 papers · avg 2025.5 · weak evidence
• The optimal resistance exercise strategies for improving bone mineral density in middle-aged and older adults are not well established. There is a need for evidence-based recommendations for exercise

  The optimal resistance exercise strategies for improving bone mineral density in middle-aged and older adults are not well established. There is a need for evidence-based recommendations for exercise strategies to improve bone mineral densi

  Computer Science · 3 papers · avg 2026 · weak evidence
• It is particularly important to emphasize that, limited by the number, sample size, and methodological quality of the included studies, all results of this meta-analysis should be interpreted as explo

  It is particularly important to emphasize that, limited by the number, sample size, and methodological quality of the included studies, all results of this meta-analysis should be interpreted as exploratory rather than confirmatory evidence,

  Computer Science · 3 papers · avg 2025.3 · weak evidence
• The need to improve the efficiency of low-temperature refrigeration systems, - The lack of a systematic thermodynamic investigation of enhanced two-stage cascade refrigeration systems incorporating va

  The need to improve the efficiency of low-temperature refrigeration systems, - The lack of a systematic thermodynamic investigation of enhanced two-stage cascade refrigeration systems incorporating vapor-injection technology, - The need to

  Earth Science · 3 papers · avg 2026 · weak evidence
• The environmental factors influencing NDVI spatial pattern and its change in the Qinling-Daba Mountains remain unclear. Previous studies have focused on the relationship between climate change and veg

  The environmental factors influencing NDVI spatial pattern and its change in the Qinling-Daba Mountains remain unclear. Previous studies have focused on the relationship between climate change and vegetation dynamics, but have neglected oth

  Earth Science · 3 papers · avg 2025.3 · weak evidence
• Frequent and intense occurrences of extreme events pose significant risks to key sectors. The region's specific vulnerabilities to climate change need to be addressed. A more localized definition of h

  Frequent and intense occurrences of extreme events pose significant risks to key sectors. The region's specific vulnerabilities to climate change need to be addressed. A more localized definition of hotspots is necessary to enhance targeted

  Earth Science · 3 papers · avg 2025.3 · weak evidence
• Little work explores local risks or the health effects of long-term exposure to multiple, overlapping events. Understanding the health impacts of cumulative exposure to climate extremes at the subnati

  Little work explores local risks or the health effects of long-term exposure to multiple, overlapping events. Understanding the health impacts of cumulative exposure to climate extremes at the subnational level is crucial to effective clima

  Earth Science · 3 papers · avg 2025.7 · weak evidence
• The complexity of modeling the distribution of H. tibetana under climate change. The need to integrate multiple environmental factors to improve predictive accuracy. The challenge of predicting the ch

  The complexity of modeling the distribution of H. tibetana under climate change. The need to integrate multiple environmental factors to improve predictive accuracy. The challenge of predicting the changes in suitable habitats for H. tibeta

  Earth Science · 3 papers · avg 2025.2 · weak evidence
• The complexity of the microphysical processes involved in contrail formation. The need to account for the impact of coarse-mode particles on ice crystal formation. The challenge of developing a parame

  The complexity of the microphysical processes involved in contrail formation. The need to account for the impact of coarse-mode particles on ice crystal formation. The challenge of developing a parameterization that applies to a wide range

  Earth Science · 3 papers · avg 2025 · weak evidence
• While education is widely recognised as essential for developing climate awareness and environmental responsibility, its potential as a strategic agent of climate mitigation, adaptation, and resilienc

  While education is widely recognised as essential for developing climate awareness and environmental responsibility, its potential as a strategic agent of climate mitigation, adaptation, and resilience remains insufficiently embedded within

  Earth Science · 3 papers · avg 2026 · weak evidence
• further studies are needed to investigate the effects of biotic factors on the zooplankton community, - research on the impact of climate change on the zooplankton diversity of Anatolian lakes is nece

  further studies are needed to investigate the effects of biotic factors on the zooplankton community, - research on the impact of climate change on the zooplankton diversity of Anatolian lakes is necessary, - studies on the zooplankton comm

  Earth Science · 3 papers · avg 2025.7 · weak evidence
• Further analysis of the methodological differences between the two approaches is needed, - Application of the combined framework to other regions and datasets could provide further insights, - Investi

  Further analysis of the methodological differences between the two approaches is needed, - Application of the combined framework to other regions and datasets could provide further insights, - Investigation of the impact of dynamic and ther

  Earth Science · 3 papers · avg 2026 · weak evidence