by Luana Góes Soares  , Sandra Kunst  , Cláudia Trindade Oliveira  and Annelise Kopp Alves

Received: 04 February 2024;  Published: 01 July 2024;  doi: 10.21926/cr.2403007

Sustainability has driven the use of heterogeneous photocatalysis as one of the primary methods for environmental decontamination, reduction, degradation, remediation, or transformation of polluting chemical residues and purification treatment of effluents and wastewater. TiO2 is the most commonly used semiconductor in heterogeneous photocatalysis. It acquires relevance, as it has favorable properties, such as non-toxicity, stability in a wide range of pH, economic viability, etc., which encourage its application a [...]

by Jose Benavides  , Pushpesh Sharma  , Ahmed Al Saedi  and Shah Kabir

Received: 20 November 2023;  Published: 21 February 2024;  doi: 10.21926/jept.2401007

This article outlines an innovative approach to explore thermal energy extraction for power generation or industrial hot water applications. Unlike traditional steady-state models, this approach embraces time-variant scenarios, explicitly incorporating a cyclical fluid circulation strategy to maintain a stable surface fluid temperature or power output. By introducing an increasing and decreasing stepwise rate sequence and an intermittent circulation strategy, the method aims to optimize efficiency in response to va [...]

by Gabriel de Souza Vieira Bié  , Zilda de Castro Silveira  , Rafael Vidal Aroca  and Marcia Cristina Branciforti

Received: 07 February 2025;  Published: 28 May 2025;  doi: 10.21926/rpm.2502010

Tissue engineering is a technique for regenerating living tissue using portions of the patient's tissue, which are dissociated into cells and cultured on biological or synthetic supports before being transferred to the patient. In this context, the present study seeks to develop implant models (scaffolds) for replacing trabecular bone tissue, with requirements such as porosity and interconnected pores. All design development was aimed at the manufacturing of scaffolds using the material extrusion additive manufactu [...]

by Rolf Teschke  , Nguyen Xuan Chien  and Tran Dang Xuan

Received: 10 June 2025;  Published: 21 October 2025;  doi: 10.21926/rpn.2504023

Heavy metals are integral parts of our environment, originating initially from the universe and used in the industry, which may contribute to pollution. This book chapter aims to address the impact of heavy metals on the ecosystem and human health. Among the 32 heavy metals, eight belong to the group of essential ones: cobalt, copper, iron, manganese, molybdenum, nickel, selenium, and zinc. They were necessary in physiological amounts for the evolution of flora and fauna, including humans on earth, and are still ne [...]

by Hossein Hosseinkhani

Received: 03 December 2023;  Published: 05 December 2023;  doi: 10.21926/rpm.2304036

EditorialPotential Applications of NanomedicineHossein Hosseinkhani *Innovation Center for Advanced Technology, Matrix HT, Inc., New York, NY 10019, USA; E-Mail: hh@matrix-inc.com* Correspondence: Hossein Hosseinkhani; E-Mail: hh@matrix-inc.comRecent Progress in Materials2023, volume 5, issue 4doi:10.21926/rpm.2304036Received: December 03, 2023Accepted: December 04, 2023Published: December 05, 2023

by Amos O. Oyatogun  , Emmanuel Ajenifuja  , Abimbola P. Popoola  , Olawale Popoola  , Fatai O. Aramide  and Grace M. Oyatogun

Received: 28 December 2023;  Published: 01 July 2024;  doi: 10.21926/rpm.2403016

High strength and good conductivity are both critical parameters for copper-based alloys for electrical and other technological applications. This study is aimed to produce copper alloys and metal matrix composites (MMCs) with enhanced physical properties. Cu-Ti-Ni ternary alloys and MMCs samples were sintered at 600 to 700°C using spark plasma sintering (SPS), with a heating rate of 100°C/minutes, uniaxial pressure of 50 MPa, and a holding time of 10 minutes. Scanning electron microscopy (FE-SEM) was used to exami [...]

by Zongqi Guo  and Wenxu Wei

Received: 12 January 2024;  Published: 12 April 2024;  doi: 10.21926/rpm.2402010

Ceramic bonds are conventionally formed during the burning of refractory bricks and by using pre-fabricated blocks or monolithic lining, which is characterized as the coalescence of the particles by liquid sintering. However, the whisker bond was discovered with the outstanding performance of unburnt periclase–spinel–Al bricks while substituting magnesia–chrome bricks in the chromium-free campaign of refractory lining of RH degassers. Thanks to the prominent effect of the whisker bond, such a refr [...]

by Carlos Armenta-Déu

Received: 20 September 2024;  Published: 20 January 2025;  doi: 10.21926/rpse.2501001

This work focuses on designing a control unit for improving Proton Exchange Membrane Fuel Cell (PEMFC) performance powering electric vehicles when operating in variable atmospheric pressure conditions, a current situation in mountainous countries with sudden changes in road altitude. The paper studies and analyzes the PEM fuel cell behavior working with hydrogen supply from a pressurized tank and oxygen input from atmospheric air supply in journeys with continuous variation of road level due to the orography. The w [...]

by Olubunmi Yemisi Fashoto  , Maureen Nokuthula Sibiya  and Olanrewaju Oladimeji

Received: 09 July 2024;  Published: 08 November 2024;  doi: 10.21926/obm.neurobiol.2404253

The availability and utilization of digital technologies can leverage the challenges of the sharp-depleting workforce due to the consistent migration of healthcare professionals (HCPs), the alarming ratio of the number of patients to HCPs, discretional use of digital technologies among HCPs in providing effective therapeutic interventions and mental healthcare services. This study aimed to develop an operational model that integrates digital technologies in mental healthcare service delivery for public facilities i [...]

by OBM Genetics Editorial Office

Received: 05 January 2023;  Published: 05 January 2023;  doi: 10.21926/obm.genet.2301175

The editors of OBM Genetics would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2022. We greatly appreciate the contribution of expert reviewers, which is crucial to the journal's editorial process. We aim to recognize reviewer contributions through several mechanisms, of which the annual publication of reviewer names is one. Reviewers receive a voucher entitling them to a discount on their next LIDSEN publication and can download a certificate of recognition direct [...]