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Topic Review
Biography
Topic Review
Water–Energy–Food Nexus in Distant Past
The concept of water–energy–food (WEF) nexus is gaining favor as a means to highlight the functions of the three individual nexus elements as interrelated components of a single complex system. In practice, the nexus approach projects forward from the present, seeking to maximize future WEF synergies and avoid undesirable tradeoffs. This article seeks to gain insights into how the ancients dealt with WEF relationships, whether currently relevant principles were practiced millennia ago, and how past WEF dynamics compare to today.
476
08 Apr 2021
Topic Review
Water–Energy–Food Nexus for Agro-Industrial Companies
The water–energy–food (WEF) nexus approach is gaining attention due to the challenge of better managing natural elements. Agro-industrial companies, given their environmental impacts, need to take sustainability into proper account. One important sustainability management concept used nowadays is the so-called water–energy–food (WEF) nexus. It means that the aforementioned elements are intrinsically managed together, and one action in one direction can affect both of the others. As a result, these three issues should be considered in an integrated manner because they are connected, and their utilization may expose important tradeoffs.
417
26 Aug 2022
Topic Review
Water–Energy–Food Nexus
The availability of water, energy and food plays a key role in meeting the basic needs of the world population and allowing them to achieve prosperity and supports the UN’s sustainable development goals (SDGs). These three fundamental resources are closely interrelated, with their deep interdependencies reflected in various concepts of the ‘water–energy–food nexus’ (W–E–F).
985
24 Aug 2022
Topic Review
Water–Energy Nexus
The sustainability or green building rating system used in the United Arab Emirates (UAE), Pearl Rating System (PRS) of Estidama, similar to other international rating systems such as LEED and BREEAM, considers several strategies, regulations, and policies to improve the energy and water performance in buildings. However, the applicability of considering water as part of energy or the fact that utilization of energy mandates the usage of water seems unexplored and not yet included in any of the existing building rating systems including LEED. A unified approach of the water and energy resources is hence vital for future considerations in energy policy, planning and the inclusion of the same in the sustainability rating systems as well. This paper investigates, as a case study, the prospects of water-energy nexus in the prevailing UAE green building rating system; Pearl Rating System(PRS) to bring out if any water conservation strategy has an adverse effect on energy and vice versa. The review revealed that the major shortcomings of PRS in terms of water-energy nexus strategy are the usage of reference codes not suitable to UAE’s climate and geographical conditions, inexistent synergy between some credit categories, oversight of rebound effects, and a need for credit reassessment. The paper also recommends that any proposed strategy to realign credit categories in terms of water-energy nexus with the potential risk to also have a hidden negative rebound effect which the researchers and practitioners should identify lest the water- energy tradeoff bring unprecedented repercussions. The theoretical analysis established that the bifurcating management of water and energy in the sustainability rating system and energy policy needs to be revisited in order to reap more sustainable and optimum results that is environmentally, ecologically and financially consistent. The theoretical analysis established that the bifurcating management of water and energy in the sustainability rating system and energy policy need to be reformed in order to reap more sustainable and optimum results that is environmentally, ecologically and financially consistent.
774
12 Apr 2021
Topic Review
Water-Soluble Vitamins
Vitamins are essential micronutrients in diets that ensure the biochemical functions of the human body and prevent diseases. They act as antioxidants, hormones, and mediators for cell signaling, cell/tissues regulators, and differentiation. They are sensitive compounds that are degraded during cooking and storage processes by factors such as light, heat, oxygen, moisture, pH, time, and reducing agents. Consequently, vitamin encapsulation can overcome limitations associated with external agents such as oxidants, heat, and low solubility, and promotes effective delivery into the body. Water-soluble and fat-soluble vitamins are two main groups of this type of micronutrient. Water-soluble vitamins are important for growth, development, and human body function.
1.2K
23 May 2022
Topic Review
Water-Soluble Photoinitiators in Biomedical Applications
Light-initiated polymerization processes are currently an important tool in various industrial fields. The advancement of technology has resulted in the use of photopolymerization in various biomedical applications, such as the production of 3D hydrogel structures, the encapsulation of cells, and in drug delivery systems. The use of photopolymerization processes requires an appropriate initiating system which, in biomedical applications, must meet additional criteria: high water solubility, non-toxicity to cells, and compatibility with visible low-power light sources. This article is a literature review on those compounds that act as photoinitiators of photopolymerization processes in biomedical applications. The division of initiators according to the method of photoinitiation was described and the related mechanisms were discussed. Examples from each group of photoinitiators are presented, and their benefits, limitations and applications are outlined.
2.9K
10 Jun 2020
Topic Review
Water-Soluble Organic Matter
Inspired by studies on outdoor organic aerosols (OA), recent studies discusses and prioritizes issues related to indoor water-soluble OA and their effects on human health, providing a basis for future research in the field. The following three main topics are addressed: (1) what is known about the origin, mass contribution, and health effects of water-soluble organic matter (WSOM) in outdoor air particles; (2) the current state-of-the-art on the WSOM in indoor air particles, the main challenges and opportunities for its chemical characterization and cytotoxicity evaluation; and (3) why the aerosol WSOM should be considered in future indoor air quality studies.
1.0K
08 Nov 2021
Topic Review
Water-Soluble Organic Aerosols
Water-soluble organic aerosols (OA) are an important component of atmospheric particulate matter and one of the key drivers that impact both climate and human health. Understanding these processes involving water-soluble OA depends on how well the chemical composition of this aerosol component is decoded. Yet, obtaining such a detailed chemical information faces several challenges, of which the complexity of the sample matrix is one of the most demanding issues. A number of different advanced multidimensional analytical techniques are available today with the potential to tackel the complex chemical nature of water-soluble OA, allowing the untargeted profilling of new chemical structures without the need for use of databases or libraries. This critical review is aimed at nonspecialists who are interested in learning more about the potential and impact of such multidimensional non-targeted analytical strategies in water-soluble OA research.
1.1K
19 Mar 2021
Topic Review
Water-Saving Technologies for Rice Production
In the face of the negative impacts of climate change and the accelerated growth of the global population, precision irrigation is important to conserve water resources, improve rice productivity and promote overall efficient rice cultivation, as rice is a rather water-intensive crop than other crops. Water-saving technologies for rice cultivation are varied and can be classified into three groups: water-saving irrigation systems; water-saving irrigation methods and water-saving agronomic practices.
511
25 Jun 2023
Topic Review
Water-Saving Agricultural Technologies
Increasing food demand has exerted tremendous stress on agricultural water usages worldwide, often with a threat to sustainability in agricultural production and, hence, food security. Various resource-conservation technologies like conservation agriculture (CA) and water-saving measures are being increasingly adopted to overcome these problems. While these technologies provide some short- and long-term benefits of reduced labor costs, stabilized or increased crop yield, increased water productivity, and improved soil health at farm scale, their overall impacts on hydrology outcomes remain unclear at larger temporal and spatial scales. Although directly linked to the regional hydrological cycle, irrigation remains a less understood component. The ecological conditions arising from the hydrology outcomes of resource-conservation technologies are associated with sustainability in agricultural production.
2.7K
22 Mar 2021
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