Isolation, Cytotoxic Activity and Phylogenetic Analysis of Bacillus Sp. Bacteria Associated with the Red Sea Sponge Amphimedon ochracea

Sarah Melnyk, Julia Zhang, Julia Zhang

Marine Chemistry Lab. The National Institute of Oceanography and Fisheries

Keywords: Marine Sponges; Bacillus; Cytotoxic Activity; Phylogenetic Analysis; Microbiology; Bioactivity

Most of marine sponges harbor dense and diverse microbial communities of bioactivity importance. Four Gram positive bacterial cultures (HA-21, HA-68, HA-MS-105 and HA-MS-119) were isolated from the sp...

Collaborative Approaches in Botanical Conservation: Past, Present, and Future Directions

, Yong Ouedraogo

Department of Environmental Science, University of Nairobi

Keywords: Botanical Conservation; Ecosystem Management; Biodiversity Preservation; Collaborative Research; Environmental Science

The increasing complexity of global environmental challenges necessitates collaborative approaches in botanical conservation. Integrating diverse expertises is essential to address the multifaceted na...

Inhibition Effect of 5-Phenyl 2H-Tetrazole on Corrosion of Copper in Presence of 1M HCl

Chidi Ricci, Freya Becker, Antonio Meyer, Freya Becker, Antonio Meyer

Department of Chemical Engineering, University of Lagos, Lagos, Nigeria

Keywords: Corrosion Inhibitor, Copper, Tetrazole, Hydrochloric Acid, Electrochemistry, Temperature Effect

The use of 5-phenyl 2H-tetrazole as a copper corrosion inhibitor was tested in 1M aerated HCl in the 25–55°C temperature range. The inhibition efficiency was found to increase with increasing inhib...

Assessing the Impact of Urban Green Spaces on Local Biodiversity and Air Quality

Ana Silva, Hiroshi Tanaka, Priya Nair, Fatou Wagner, Luca Brown

Department of Environmental Science, University of São Paulo, São Paulo, Brazil; Department of Ecology, University of Tokyo, Tokyo, Japan; Centre for Urban Environment, Indian Institute of Science, Bangalore, India

Keywords: Urban Green Spaces; Biodiversity; Air Quality; Urban Ecology; Environmental Planning

Urban green spaces have been recognized for their potential to enhance biodiversity and improve air quality in metropolitan areas. This study investigates the relationship between the presence of urba...

Performance of Disk Harrow as a Primary Cultivation Tool in Loamy Sand Soil

Astrid Olsson, Fatou Taylor, Jun Sato, Viktor Liu, Fatou Taylor, Jun Sato, Viktor Liu

Department of Agricultural Engineering, College of Food and Agricultural Sciences, P.O. Box 2460, Riyadh 11451, King Saud University, Saudi Arabia

Keywords: Disk Harrow; Soil Cultivation; Tillage; Loamy Sand; Agricultural Machinery; Soil Cone Index

A study was conducted to evaluate the performance of a disk harrow as a primary cultivation tool in loamy sand soil. Four plowing speeds viz. three different soil surfaces classified as low soil cone ...

Design and fabrication of Robo element replacing a human arm in Human body

Giuseppe Schmidt, Miguel Wang

Department of Mechanical Engineering, University of Padua, Padua, Italy

Keywords: Prosthetics; Artificial Limb; Robotic Arm; Medical Devices; Mechanical Design; Assistive Technology

The objective of this work is to design and fabricate artificial upper limbs (robo element) that are lightweight, compact and low cost. The aim of this work is to use advanced Mechanical technology to...