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Open Access Review

Reuse of Sawdust in Developing Countries in the Light of Sustainable Development Goals

Received: 02 September 2022;  Published: 12 January 2023;  doi: 10.21926/rpm.2301006

Abstract

The several furniture-making phases, from cutting to processing to polishing, produce a significant volume of sawdust of differing grades. The extraction and disposal of such waste in developing countries with no established or sustainable methods is an increasing problem, frequently pos [...]

3869 642795

Open Access Research Article

Electrochemical Atomic Layer Epitaxy Deposition of Ultrathin SnTe Films

Received: 06 September 2019;  Published: 29 October 2019;  doi: 10.21926/rpm.1904005

Abstract

Tin telluride (SnTe) ultrathin films were deposited electrochemically on polycrystalline and monocrystalline gold substrates using the electrochemical atomic layer epitaxy (ECALE) method. The electrochemical behaviors of Sn and Te were studied systematically by means of cyclic voltammetry. Cyclic vo [...]

1953 89995

Open Access Review

Self-Healing Concrete Techniques and Technologies and Applications

Received: 30 April 2023;  Published: 21 February 2024;  doi: 10.21926/rpm.2401006

Abstract

The main weakest point of concrete is its exposure to cracks, and concrete structure repair is expensive, especially for infrastructure maintenance, which is difficult to access. The ability of self-healing concrete (SHC) to successfully heal fractures without the assistance of humans has received m [...]

6107 68822

Open Access Review

Recycled Wastewater Usage: A Comprehensive Review for Sustainability of Water Resources

Received: 29 August 2022;  Published: 25 November 2022;  doi: 10.21926/rpm.2204026

Abstract

Water recycling is a potential tool for reducing the dependency on traditional water sources, which would eventually reduce the likelihood of volumetric restrictions and their impacts on the water sector. Therefore, exploration, development, and use of alternative water sources are required for sust [...]

1933 61799

Open Access Review

A Review on Metal Additive Manufacturing - Types, Applications and Future Trends

Received: 01 October 2024;  Published: 10 February 2025;  doi: 10.21926/rpm.2501006

Abstract

Metal Additive Manufacturing (MAM) process has been established as an industrial process for customized and intricate metallic components. It is one of the growing technologies proving its potential in numerous fields by introducing the latest processing methods. The significant growth in this techn [...]

5788 57767

Open Access Short Review

Reverse Mode Polymer Dispersed Liquid Crystal-based Smart Windows: A Progress Report

Received: 17 August 2021;  Published: 01 November 2021;  doi: 10.21926/rpm.2104044

Abstract

The reverse mode polymer dispersed liquid crystal (PDLC) is an emerging smart window technology. Unlike traditional PDLCs, a reverse mode PDLC can be transparent and opaque in the absence and presence of an external electric field. This report provides a brie [...]

3648 41738

Open Access Review

Emerging Trends in Engineering Polymers: A Paradigm Shift in Material Engineering

Received: 30 June 2024;  Published: 30 September 2024;  doi: 10.21926/rpm.2403024

Abstract

Emerging Trends in Engineering Polymers signify a pivotal transformation in material engineering, marking a departure from traditional materials towards innovative, multifunctional, and sustainable polymers. This review delineates the forefront of advancements in polymer materials, inclu [...]

4492 41124

Open Access Original Research

Role of Point of Zero Charge in the Adsorption of Cationic Textile Dye on Standard Biochars from Aqueous Solutions: Selection Criteria and Performance Assessment

Received: 19 April 2022;  Published: 19 May 2022;  doi: 10.21926/rpm.2202010

Abstract

The point of zero charge (PZC) is an inherent electrokinetic property of biochars (BC). It influences the adsorption process under certain pH conditions. Herein, we report the method of determination of the PZC values of ten standard BCs. We used the salt addition method to select the BCs with suita [...]

7760 40895

Open Access Original Research

Bisphenol A Release from Orthodontic Clear Aligners: An In-Vitro Study

Received: 31 March 2021;  Published: 12 August 2021;  doi: 10.21926/rpm.2103034

Abstract

Bisphenol A (BPA) is a widely used synthetic compound that has been identified as an endocrine disruptor. It has been linked to adverse health effects such as developmental defects, infertility in both men and women, cardiovascular disease, and obesity. There has been increased interest in BPA&r [...]

2854 39897

Open Access Review

A Review of Various Treatment Methods for the Removal of Dyes from Textile Effluent

Received: 15 October 2022;  Published: 30 December 2022;  doi: 10.21926/rpm.2204028

Abstract

Wastewater generated by the textile industry has been a major environmental concern for a long. Production of fiber involves various steps and uses a lot of chemicals, dyes, and water. Therefore, the effluent produced from the textile ind [...]

4875 36412

Open Access Review

High-Performance Polymers for Aeronautic Wires Insulation: Current Uses and Future Prospects

Received: 25 November 2020;  Published: 25 February 2021;  doi: 10.21926/rpm.2101005

Abstract

Polymers such as polyimides and fluoropolymers are widely used for insulating aeronautic wires. They are exposed to various changing factors such as temperature, pressure, moisture, vibration, chafing, etc. The electrification on the horizon can potentially increase the demand for these systems. Ind [...]

4181 33024

Open Access Review

Additive Manufacturing Techniques for Fabrication of Bone Scaffolds for Tissue Engineering Applications

Received: 26 June 2020;  Published: 08 September 2020;  doi: 10.21926/rpm.2003021

Abstract

Bone tissue engineering (BTE) as a modern and more effective treatment for bone defects has recently received lots of attention. One of the pivotal parts of BTE is the “scaffold”, which functions as an indwelling carrier of cells and additives, as well as, providing a foundation for cell growth and [...]

4253 31113

Open Access Original Research

Study of Recycled Spent Coffee Grounds as Aggregates in Cementitious Materials

Received: 29 September 2022;  Published: 16 January 2023;  doi: 10.21926/rpm.2301007

Abstract

Most spent coffee grounds (SCGs), a byproduct of brewing coffee, are buried in landfill sites, and their decomposition produces significant greenhouse gases. As the recent warming of the Earth’s climate has made it imperative that industries reduce greenhouse gas emissions, the present s [...]

2360 28525

Open Access Review

Development of Low Elastic Modulus Titanium Alloys as Implant Biomaterials

Received: 20 March 2022;  Published: 21 April 2022;  doi: 10.21926/rpm.2202008

Abstract

Biomaterials have always been the focus of material scientists and engineers. Titanium and its alloys have favorable properties, such as high strength, low density, good corrosion resistance, non-toxicity, low elastic modulus, biocompatibility, etc. Thus, Ti alloys have received much attention from [...]

4429 27900

Open Access Review

Modifications of Glass Ionomer Cements Using Nanotechnology: Recent Advances

Received: 01 May 2022;  Published: 01 June 2022;  doi: 10.21926/rpm.2202011

Abstract

Glass ionomer cements (GICs) are dental materials that were invented by Wilson & Kent in 1972. They can chemically bond to enamel and dentin and can exhibit anti-cariogenic activity that allows the release and uptake of fluoride ions. They also possess the ability to render color. The setting re [...]

2546 26906

Open Access Original Research

The Carbon Dioxide Emissions Reduction Potential of Carbon-Dioxide-Cured Alternative Binder Concrete

Received: 12 January 2021;  Published: 13 May 2021;  doi: 10.21926/rpm.2102018

Abstract

Climate change has been identified as one of the biggest issues plaguing human life at present. Hence, immense attention is being paid to developing methods that can potentially reduce carbon dioxide emission. With the help of carbon-negative concrete, manufactured from alternative binde [...]

3330 26764

Open Access Review

Review on Some Important Research Progresses in Biodegradable Plastics/Polymers

Received: 15 March 2024;  Published: 27 June 2024;  doi: 10.21926/rpm.2402015

Abstract

Biodegradable plastics/polymers may serve as a promising solution to the global problem of plastic waste accumulation in oceans and soil and may significantly reduce carbon emissions from the manufacturing process, since the materials used to make biodegradable polymers are carbon-based and emitted [...]

2102 26614

Open Access Review

Material Challenges and Opportunities in 3D Printing for Hip Implant Applications

Received: 16 November 2021;  Published: 23 February 2022;  doi: 10.21926/rpm.2201004

Abstract

There is a current need for tissue and organ repairs, replacement, and regeneration for patients who suffer from diseased or damaged tissues or organs. This situation is continuously on the rise and the supply of this form of therapy does not meet the patients demand mostly due to lack o [...]

3005 26340

Open Access Review

An Overview of Circular Economy Approaches for Plastics

Received: 28 February 2025;  Published: 28 July 2025;  doi: 10.21926/rpm.2503011

Abstract

Plastic pollution has received worldwide attention due to its extensive environmental and health implications. The circular economy has emerged as a potential solution to plastic pollution. This overview comprehensively presents different plastic circular economy approaches and discusses their advan [...]

2778 26244

Open Access Original Research

The behaviour of Nitinol Wire Bundles for Structural Applications

Received: 19 August 2019;  Published: 30 March 2021;  doi: 10.21926/rpm.2101009

Abstract

Shape memory alloys (SMA) belong to a family of smart materials, which undergo diffusionless phase transformations when subjected to thermo-mechanical changes making them ideally suitable for utilization in several structural engineering applications. Within this class of materials, Ni-Ti (Nickel-Ti [...]

4260 24371

Open Access Original Research

Mechano-Vibrational Spectroscopy of Tissues and Materials Using Vibrational Optical Coherence Tomography: A New Non-Invasive and Non-Destructive Technique

Received: 04 February 2020;  Published: 29 April 2020;  doi: 10.21926/rpm.2002010

Abstract

Elastic moduli of tissues and synthetic polymeric materials are important design properties needed to develop new implants. In this paper we report the use of vibrational optical coherence tomography (VOCT) to measure the resonant frequency and calculate the modulus of tissues and synthetic polymers [...]

3064 23626

Open Access Original Research

Quantum Decoherence in Dense Media: A Few Examples

Received: 29 December 2019;  Published: 13 April 2020;  doi: 10.21926/rpm.2002009

Abstract

Decoherence is a relatively recent concept in the field of quantum mechanics. Although the pioneers of the field must have understood that loss of phase coherence in quantum superpositions is the reason underlying the appearance of definite outcomes in the quantum measurement problem, the latter was [...]

2687 23608

Open Access Project Report

Evaluation of Polymer Dispersed Liquid Crystal (PDLC) for Passive Rear Projection Screen Application

Received: 24 June 2019;  Published: 07 August 2019;  doi: 10.21926/rpm.1903002

Abstract

In the past few years, there have been many attempts to commercialize Polymer Dispersed Liquid Crystal (PDLC) for Rear Projection Screen (RPS) in electrically switchable films and glass products. This application is based on the exceptional image quality of PDLC at a wide viewing angle. However, due [...]

3098 22869

Open Access Research Article

Calculation of the Forces Applied to a Superconductor in Levitation in an Inhomogeneous Magnetic Field

Received: 07 July 2022;  Published: 15 September 2022;  doi: 10.21926/rpm.2203018

Abstract

Stable levitation of systems consisting of a magnetic source and a superconductor is actively investigated due to the promising applications of this technology. While huge efforts have been made for modeling these setups with numerical simulations, analytical models, in spite of their us [...]

2330 22272

Open Access Review

Review on the Development of Titanium Diboride Ceramics

Received: 02 January 2024;  Published: 03 April 2024;  doi: 10.21926/rpm.2402009

Abstract

Titanium diboride (TiB2) materials have garnered significant attention due to their remarkable comprehensive properties. They offer potential applications in high-temperature structural materials, cutting tools, armor, electrodes for metal smelting, and wear-resistant parts. H [...]

3536 22240

Open Access Original Research

Fabrication and Demonstration of a 3D-printing/PDMS Integrated Microfluidic Device

Received: 21 October 2021;  Published: 25 January 2022;  doi: 10.21926/rpm.2201002

Abstract

3D printing is an attractive method to fabricate microfluidic devices due to (1) its fast and simple process without specialized equipment and cleanroom environment, and (2) its capability to create complex 3D structures. Combined with Polydimethylsiloxane (PDMS), it can be used to devel [...]

3056 22084

Open Access Review

Progress of Nanomaterials in Preventative and Restorative Dentistry

Received: 02 November 2020;  Published: 05 March 2021;  doi: 10.21926/rpm.2101007

Abstract

To date, many studies have examined the development and use of novel materials, enhancing the performance of existing dental composites and improving methods for restoring tooth structure. In recent years, nanotechnology-based techniques have been used to develop a variety of nanomateria [...]

3129 21970

Open Access Review

A Review of the Multi-Physical Characteristics of Plant Aggregates and Their Effects on the Properties of Plant-Based Concrete

Received: 26 March 2021;  Published: 20 June 2021;  doi: 10.21926/rpm.2102026

Abstract

The use of plant aggregates obtained from agricultural co-products mixed with mineral binders to form eco-friendly insulating building materials has been initiated for a few years to bring environmentally friendly solutions to the construction sector. Several studies on different agro-re [...]

2611 21736

Open Access Original Research

Dimensional, Mechanical and LCA Characterization of Terrazzo Tiles along with Glass and Construction and Demolition Waste (CDW)

Received: 12 December 2020;  Published: 02 March 2021;  doi: 10.21926/rpm.2101006

Abstract

In this work, two types of wastes were introduced, namely, glass from municipal waste and Construction and Demolition Waste (CDW). The latter, which was obtained from rubble generated by the seismic events occurred in Central Italy in 2016, was introduced in two configurations, the single-layer and [...]

2553 21164

Open Access Review

Engineering Bacterial Cellulose for Diverse Biomedical Applications

Received: 15 September 2019;  Published: 25 November 2019;  doi: 10.21926/rpm.1904006

Abstract

Increasing interest in bacterial cellulose due to the huge potential which exists for the development of this new biomaterial for medical applications has been met with recent growth in research in engineering this unique microbial manufactured material. The mechanical properties, porosity, and bioc [...]

2969 20929

Open Access Original Research

Toward Next Generation Plasmonic Nanopore Slit Platform with a ~10 nm Slit-Width

Received: 22 December 2020;  Published: 05 February 2021;  doi: 10.21926/rpm.2101004

Abstract

We fabricated various nanoaperture plasmonic platforms for single-molecule detection. We fabricated nanoapertures like nanopores on a pyramid and nanoslits on an Au flat membrane using a Ga ion focused ion beam drilling technique, followed by irradiating with a high energy electron beam, dependent o [...]

7189 20605

Open Access Review

Biomedical Applications of Wrinkling Polymers

Received: 09 December 2019;  Published: 28 February 2020;  doi: 10.21926/rpm.2001005

Abstract

Advancements in surface engineering and material fabrication techniques have enabled the creation and replication of naturally occurring surface topographies or the extrapolation of natural patterns to become achievable targets. Polymers are used extensively in the field of biomedical sciences for c [...]

2676 20554

Open Access Review

Emerging Progress in Nanotechnological Influence on Polymeric Textile Finishing

Received: 13 January 2025;  Published: 27 May 2025;  doi: 10.21926/rpm.2502009

Abstract

Nanotechnology has revolutionized the textile industry by introducing innovative finishing techniques that enhance the durability and performance of textile materials and the application of nanoscale/nanoparticles/nanomaterials and processes to improve the properties and performance of textiles. The [...]

2526 20475

Open Access Review

The Use of Biomaterials in Internal Radiation Therapy

Received: 18 March 2020;  Published: 12 May 2020;  doi: 10.21926/rpm.2002012

Abstract

Radiotherapy has become one of the most prominent and effective modalities for cancer treatment and care. Ionising radiation, delivered either from external or internal sources, can be targeted to cancerous cells causing damage to DNA that can induce apoptosis. External beam radiotherapy delivers ei [...]

2749 20305

Open Access Short Review

Carbon Dots: An Insight into Their Application in Heavy Metal Sensing

Received: 01 December 2020;  Published: 28 April 2021;  doi: 10.21926/rpm.2102015

Abstract

The design of nanomaterials for application in diverse fields ranging from photovoltaic to fluorescence sensing is a research area of increasing interest. Recently, Quantum Dots (QDs), which are classified as semiconductor quantum dots (SQDs) and Carbon dots (CDs), have become a hot topic of investi [...]

2749 18932

Open Access Review

Recent Developments in Synthesis Techniques and Microwave Absorption Performance of Materials Based on Molybdenum Disulfide (MoS2) with Metal Oxides: A Review

Received: 11 October 2024;  Published: 26 January 2025;  doi: 10.21926/rpm.2501003

Abstract

The widespread usage of various wireless equipment in many facets of life has significantly contributed to the severe pollution caused by electromagnetic radiation. Thankfully, scientists have created materials that can absorb microwave radiation and convert dangerous electromagnetic waves into othe [...]

2923 18842

Open Access Perspective

Lithium-ion Battery and the Future

Received: 26 December 2020;  Published: 13 April 2021;  doi: 10.21926/rpm.2102012

3363 18780

Open Access Original Research

Suitability of Steel Making Slag as a Construction Material Resource

Received: 24 February 2021;  Published: 16 July 2021;  doi: 10.21926/rpm.2103028

Abstract

One of the largest problems facing the steelmaking industry is the high amount of waste currently produced and the low amount of waste that is currently recycled. This study aims to look at the suitability of 3 different samples of basic oxygen steelmaking (BOS) slag as a construction material, in c [...]

2545 18673

Open Access Original Research

Assessment of Durability of Bio-based Earth Composites

Received: 12 March 2021;  Published: 07 May 2021;  doi: 10.21926/rpm.2102016

Abstract

Bio-based earth composites present various environmental benefits, such as usable wastes, coproducts, abundant or renewable materials, etc. Moreover, the incorporation of bioaggregates in the earth matrix allows the buildings to act as an effective carbon sink. A growing number of studie [...]

1979 18151

Open Access Review

Clinical Significance of Internal Friction Connection and Micro-Threads in Implant-Supported Prostheses: A Literature Review

Received: 13 August 2020;  Published: 17 December 2020;  doi: 10.21926/rpm.2004024

Abstract

A connection structure using both a screw and friction is advantageous to secure an abutment to an implant. Understanding the biomechanics of the implant-abutment connection is necessary for the long-term clinical survival of a dental implant with decreased complications. The internal co [...]

2789 17362

Open Access Research Article

Efficient Debye Function Interpolation Formulae: Sample Applications to Diamond

Received: 17 June 2021;  Published: 22 November 2021;  doi: 10.21926/rpm.2104042

Abstract

The well-known classical heat capacity model developed by Debye proposed an approximate description of the temperature-dependence of heat capacities of solids in terms of a characteristic integral, the T-dependent values of which are parameterized by the Debye temperatur [...]

2556 17304

Open Access Opinion

Valued Applications of Lignin Nanoparticles

Received: 08 March 2019;  Published: 26 April 2019;  doi: 10.21926/rpm.1902001

Abstract

Technical lignins from the biorefinery, pulp, and paper industries are largely underutilized, even though this aromatic and randomly structured biopolymer could be an interesting raw material for advanced applications in addition to bulk daily goods. Recently, colloidal lignin particles (CLPs) have [...]

2726 17216

Open Access Research Article

Life Cycle Assessment (LCA) of Wood Flour and Pellets for Manufacturing Wood-Plastic Composites (WPCs)

Received: 07 December 2021;  Published: 09 February 2022;  doi: 10.21926/rpm.2201003

Abstract

This study is expanding the previous studies that were focused on the material properties and transportation costs of the two alternative feedstocks for manufacturing wood-plastic composites (WPCs): wood flour and pellets. Besides the material properties and cost analysis, life-cycle ass [...]

1526 17013

Open Access Original Research

Durability of Alkali-Activated Materials Made with a High-Calcium, Basic Slag

Received: 09 June 2021;  Published: 13 October 2021;  doi: 10.21926/rpm.2104041

Abstract

Alkali activated (AA) materials have been investigated for decades as an alternative to Portland cement (PC) products. Most consist of a silicate waste activated with alkalis, which leads to lower green-house gas emissions and a substantial drop in the use of unrenewable material resources. This pap [...]

1744 16855

Open Access Review

Review on Material Performance of Carbon Nanotube-Modified Polymeric Nanocomposites

Received: 21 March 2023;  Published: 16 August 2023;  doi: 10.21926/rpm.2303031

Abstract

The chemically functionalized carbon nanotubes (f-CNTs) and hydrogen bonding modified polymer composites (CPCs) exhibit unique chemical, mechanical, electrical, and thermal properties and are emerging as promising materials to achieve extraordinarily high electrical and thermal conductivity, lightwe [...]

2387 16725

Open Access Original Research

Potential of Wastewater Valorization after Wet Extraction of Proteins from Faba Bean and Pea Flours

Received: 02 December 2020;  Published: 21 April 2021;  doi: 10.21926/rpm.2102013

Abstract

The present study aimed to characterize wastewater fractions obtained after the wet extraction of proteins from legumes. In addition, the suitability of wastewater fractions for the potential recovery of high value-added compounds was also examined, and consequently, the prevention of the environmen [...]

2251 16380

Open Access Research Article

Evaluating the Performance of Hollow Core Slabs (HCS)-Concrete and Simplifying Their Implementation

Received: 02 March 2023;  Published: 19 April 2023;  doi: 10.21926/rpm.2302016

Abstract

The largest proportion of the material used in multistory buildings, and thus its carbon impact, is attributed to their slabs being the main contributor of weight. Because of their high strength and concrete self-weight reduction, composite beams with hollow-core slabs were created for t [...]

2928 16332

Open Access Research Article

Meat Waste Valorization through Protein Hydrolysis using Different Types of Proteases

Received: 12 May 2021;  Published: 08 November 2021;  doi: 10.21926/rpm.2104045

Abstract

Five different commercial proteases (Alcalase 2.4L, Flavourzyme 1000L, Neutrase, Protamex, and PTN) were evaluated for the simultaneous recovery of protein and lipids through hydrolysis. The hydrolysis reaction was monitored using the pH-stat procedure, in which samples were collected af [...]

2096 16305

Open Access Research Article

Assessment of AAR and Sulfate Attack on Wadi Gravel Concrete after 4 Years in Service

Received: 18 April 2021;  Published: 26 September 2021;  doi: 10.21926/rpm.2103038

Abstract

Wadi gravel is a local aggregate in Qatar that could contribute to enhanced sustainability by replacing expensive imported gabbro. The material needs to be processed before use to reduce sulfate content to acceptable levels. The paper presents the performance assessment of three full-scale buildings [...]

1658 15715

Open Access Original Research

About Non-relativistic Quantum Mechanics and Electromagnetism

Received: 21 October 2022;  Published: 08 December 2022;  doi: 10.21926/rpm.2204027

Abstract

We describe here the coherent formulation of electromagnetism in the non-relativistic quantum-mechanical many-body theory of interacting charged particles. We use the mathematical frame of the field theory and its quantization in the spirit of the quantum electrodynamics (QED). This is n [...]

6742 15613

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