Valentin Nedeff
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View article: Deep Learning Analysis of CBCT Images for Periodontal Disease: Phenotype-Level Concordance with Independent Transcriptomic and Microbiome Datasets
Deep Learning Analysis of CBCT Images for Periodontal Disease: Phenotype-Level Concordance with Independent Transcriptomic and Microbiome Datasets Open
Background: Periodontitis is a common inflammatory disease characterized by progressive loss of alveolar bone. Cone-beam computed tomography (CBCT) can visualize 3D periodontal bone defects, but its interpretation is time-consuming and exa…
View article: Baccilus amyloliquefacins Strains Isolated in a Wastewater Treatment Plant: Molecular Identification and Amylase/Protease Production Capacity
Baccilus amyloliquefacins Strains Isolated in a Wastewater Treatment Plant: Molecular Identification and Amylase/Protease Production Capacity Open
This study centred on isolating and characterizing Bacillus amyloliquefaciens strains derived from wastewater sludge to assess their potential for sludge treatment. Samples were collected from the Etoa wastewater sludge treatment plant in …
View article: Dynamics of Complex Systems and Their Associated Attractors in a Multifractal Paradigm of Motion
Dynamics of Complex Systems and Their Associated Attractors in a Multifractal Paradigm of Motion Open
In this paper we analyze complex systems dynamics using a multifractal framework derived from Scale Relativity Theory (SRT). By extending classical differential geometry to accommodate non-differentiable, scale-dependent behaviors, we form…
View article: Fractal Neural Dynamics and Memory Encoding Through Scale Relativity
Fractal Neural Dynamics and Memory Encoding Through Scale Relativity Open
Background/Objectives: Synaptic plasticity is fundamental to learning and memory, yet classical models such as Hebbian learning and spike-timing-dependent plasticity often overlook the distributed and wave-like nature of neural activity. W…
View article: Modular Deep-Learning Pipelines for Dental Caries Data Streams: A Twin-Cohort Proof-of-Concept
Modular Deep-Learning Pipelines for Dental Caries Data Streams: A Twin-Cohort Proof-of-Concept Open
Background: Dental caries arise from a multifactorial interplay between microbial dysbiosis, host immune responses, and enamel degradation visible on radiographs. Deep learning excels in image-based caries detection; however, integrative a…
View article: Multivariate Analysis and Geostatistics of the Physicochemical Quality Waters Study from the Complex Lake Togo-Lagoon of Aneho (Southern Togo)
Multivariate Analysis and Geostatistics of the Physicochemical Quality Waters Study from the Complex Lake Togo-Lagoon of Aneho (Southern Togo) Open
The hydrosystem composed of Lake Togo, Lagoon of Togoville, and Lagoon of Aného is located in the coastal zone of Togo and receives important and different kinds of mining waste that cause its degradation. This study aims to evaluate the p…
View article: The Role of Hidden Symmetry in Inertial Instability Dynamics
The Role of Hidden Symmetry in Inertial Instability Dynamics Open
Inertial instability is a key process in the dynamics of rotating and stratified fluids, which arises when the absolute vorticity of the flow becomes negative. This study explored the nonlinear behavior of inertial instability by incorpora…
View article: Order–Disorder-Type Transitions Through a Multifractal Procedure in Cu-Zn-Al Alloys—Experimental and Theoretical Design
Order–Disorder-Type Transitions Through a Multifractal Procedure in Cu-Zn-Al Alloys—Experimental and Theoretical Design Open
Experimental and theoretical design on thermal and structural properties of Cu-Zn-Al alloys are established. As such, from an experimental point of view, differential thermal analysis has been performed with the help of a DSC Netzsch STA 4…
View article: A Cyclic Graywater Treatment Model for Sustainable Wastewater Management Applied in a Small Scale
A Cyclic Graywater Treatment Model for Sustainable Wastewater Management Applied in a Small Scale Open
Water scarcity presents a critical challenge to global sustainability, exacerbated by population growth, climate change, and environmental pollution. In this context, graywater reuse has emerged as a promising solution, offering substantia…
View article: Holographic-Type Behaviors in Complex Systems Dynamics from a Multifractal Perspective of Motion
Holographic-Type Behaviors in Complex Systems Dynamics from a Multifractal Perspective of Motion Open
A unitary model of complex systems dynamics is proposed, assuming that these systems can be assimilated to a multifractal mathematical object. Then, if we describe these dynamics in the framework of The Scale Relativity Theory, through con…
View article: Double-Period Gravitational Dynamics from a Multifractal Perspective of Motion
Double-Period Gravitational Dynamics from a Multifractal Perspective of Motion Open
Assimilating complex systems to multifractal-type objects reveals continuous and non-differentiable curve dynamics, aligning with the Multifractal Theory of Motion. Two scenarios, a Schrödinger-type and a Madelung-type multifractal scenari…
View article: Determination of Particle Size for Optimum Biogas Production from Ouagadougou Municipal Organic Solid Waste
Determination of Particle Size for Optimum Biogas Production from Ouagadougou Municipal Organic Solid Waste Open
Anaerobic digestion’s contribution to sustainable development is well established. It is a sustainable production process that enables energy to be saved and produced and efficient pollution control processes to be implemented, thereby con…
View article: Delineation of Groundwater Potential Zones Using Geospatial Techniques. Case Study: Roman City and the Surrounding Area in the Northeastern Region, Romania
Delineation of Groundwater Potential Zones Using Geospatial Techniques. Case Study: Roman City and the Surrounding Area in the Northeastern Region, Romania Open
Effective groundwater management is crucial under the current climatic conditions, addressing both qualitative and quantitative aspects. An important step in delineating groundwater potential zones involves remote sensing (RS) data and geo…
View article: SOME POSSIBILITIES OF THE AERIAL DRONES USE IN PRECISION AGRICULTURE – A REVIEW
SOME POSSIBILITIES OF THE AERIAL DRONES USE IN PRECISION AGRICULTURE – A REVIEW Open
Precision agriculture, together with remote sensing and vegetation indices, represents a modern correlation that maximizes efficiency and sustainability in farmland management, contributing to more efficient and responsible production. Rem…
View article: The Textural and Physical Characteristics of Red Radishes Based on a Puncture Test
The Textural and Physical Characteristics of Red Radishes Based on a Puncture Test Open
Texture is an important indication of the quality of food products, and the analysis of texture involves the measurement of their response when subjected to mechanical forces, such as cutting, scissoring, chewing, and compression or stretc…
View article: Scanning Electron Microscope Analysis of Polypropylene Filter Cartridges Used in Drinking Water Purification Systems
Scanning Electron Microscope Analysis of Polypropylene Filter Cartridges Used in Drinking Water Purification Systems Open
In recent years, more and more emphasis has been placed on the use of home filtration systems as a coarse pre-filtration step. The PP (polypropylene) filter cartridge is one of the most common of these systems, with the role of retaining s…
View article: Turbulence Removal in Atmospheric Dynamics through Laminar Channels
Turbulence Removal in Atmospheric Dynamics through Laminar Channels Open
Dynamics in atmospheric structures are analyzed using the Scale Relativity Theory in Schrödinger-type and Madelung-type scenarios. In the Schrödinger-type scenario, the group invariances of the special linear group SL(2R)-type under Riccat…
View article: Studies on the Accumulation, Translocation, and Enrichment Capacity of Soils and the Plant Species Phragmites Australis (Common Reed) with Heavy Metals
Studies on the Accumulation, Translocation, and Enrichment Capacity of Soils and the Plant Species Phragmites Australis (Common Reed) with Heavy Metals Open
In the present study, heavy metal concentrations (Cu, Zn, Pb, As) from former industrial areas were analyzed in soil and the plant species Phragmites Australis (common reed), a plant species found in shallow river banks. The objectives of …
View article: Assessment of Manure Compost Used as Soil Amendment—A Review
Assessment of Manure Compost Used as Soil Amendment—A Review Open
Organic waste management is an important concern for both industries and communities. Proper management is crucial for various reasons, such as reducing greenhouse gas emissions, promoting sustainability, and improving public health. Compo…
View article: The Cracking Behavior of Two Dental Composite Materials Validated through Multifractal Analyzes
The Cracking Behavior of Two Dental Composite Materials Validated through Multifractal Analyzes Open
The aim of this in vitro study was to analyze, both experimentally and theoretically, the mechanical behavior of two types of composite materials used in restoring dental integrity. The samples of each composite resin, namely Filtek Suprem…
View article: Greywater Vertical Treatment and Possibility of Reuse in the Fields from Peri-Urban Area
Greywater Vertical Treatment and Possibility of Reuse in the Fields from Peri-Urban Area Open
This study highlighted the potential for greywater reuse in irrigation of olive trees. An experimental field was set up in a household of Soukra, located northwest of Tunis City, to test the performance of vertical greywater treatment. Tre…
View article: Anaerobic co-digestion of agro-industrial cashew nut wastes with organic matters for biogas production: case of cashew nut hull and cashew almond skin
Anaerobic co-digestion of agro-industrial cashew nut wastes with organic matters for biogas production: case of cashew nut hull and cashew almond skin Open
The cashew nut wastes (CNW), more released in the environment by cashew nut transforming units, are underused based on bioenergy. This study aimed at evaluating the biogas production by the anaerobic codigestion of CNW with various organic…
View article: Theoretical and Experimental Designs on Several Mechanical Properties of Cu–Al–Zn Shape Memory Alloys Used in the Processing Industry
Theoretical and Experimental Designs on Several Mechanical Properties of Cu–Al–Zn Shape Memory Alloys Used in the Processing Industry Open
By assimilating shape memory alloys with mathematical multifractal-type objects, a theoretical model based on Scale Relativity Theory in the form of The Multifractal Theory of Motion, in order to explain the mechanical behavior of such mat…
View article: Polycyclic Aromatic Hydrocarbons (PAHs) Contamination in Chrysichthys nigrodigitatus Lacépède, 1803 from Lake Togo-Lagoon of Aného, Togo: Possible Human Health Risk Suitable to Their Consumption
Polycyclic Aromatic Hydrocarbons (PAHs) Contamination in Chrysichthys nigrodigitatus Lacépède, 1803 from Lake Togo-Lagoon of Aného, Togo: Possible Human Health Risk Suitable to Their Consumption Open
The Lake Togo-Lagoon of Aného is located in the coastal zone where phosphorite mining is carried out. This mining discharges all kinds of waste such as fuel oil into the surrounding environment without prior treatment. Moreover, the hydros…
View article: Techniques and Methods for Measuring the Texture of Processed and Fresh Agro-Food Products – A Review
Techniques and Methods for Measuring the Texture of Processed and Fresh Agro-Food Products – A Review Open
The measurement of texture is a widely used method in postharvest and food research. The majority of the textural characteristics of fresh foods, such as vegetables and fruit, are frequently employed as maturity indicators in order to meet…
View article: The Use of Drones in Multispectral Photogrammetry and Thermoscanning –A Review
The Use of Drones in Multispectral Photogrammetry and Thermoscanning –A Review Open
The use of drones in agriculture and building thermoscanning have become two innovative methods in recent years. A drone is a remotely piloted device equipped with video cameras and other advanced technologies that can fly at different hei…
View article: Assessment of Cadmium and Copper Adsorption by Two Agricultural Soils from Romania and Tunisia: Risk of Water Resource Pollution
Assessment of Cadmium and Copper Adsorption by Two Agricultural Soils from Romania and Tunisia: Risk of Water Resource Pollution Open
Using treated wastewater for irrigation is a good solution for conserving water, but it is also in part responsible for groundwater and water surface pollution by heavy metals, especially copper and cadmium. The soil can be a barrier to re…
View article: Study on the Method of Household Waste Collection: Case Study
Study on the Method of Household Waste Collection: Case Study Open
This article presents research on how household waste is collected. An online survey, with 348 participants, from the Romanian region of Bacau, was conducted from October 2018 to May 2019. The online questionnaire included a set of over 40…
View article: Drug-Loaded Polymeric Particulated Systems for Ophthalmic Drugs Release
Drug-Loaded Polymeric Particulated Systems for Ophthalmic Drugs Release Open
Drug delivery to the anterior or posterior segments of the eye is a major challenge due to the protection barriers and removal mechanisms associated with the unique anatomical and physiological nature of the ocular system. The paper presen…