Results 51 to 60 of about 24,573 (313)

Cornus Mas L. Seed‐Derived Biosorbent for Methylene Blue Removal: Surface Characterization and Biosorption Performance

open access: yesAdvanced Materials Interfaces, EarlyView.
Cornus mas L. seeds are transformed into a high‐performance biosorbent through chemical modification, effectively removing methylene blue from aqueous solutions. Comprehensive characterization and optimization reveal a maximum biosorption capacity of 71.71 mg g−1, establishing this sustainable, cost‐effective material as a promising solution for ...
Hakan Yıldız   +2 more
wiley   +1 more source

Revitalization Of Sustainable Procurement For Rural Development In The Midlands Region, Zimbabwe

open access: yesInternational Journal of Sustainability in Business and Economics
The main goal of the study was to evaluate the revitalisation of sustainable procurement in the selected rural areas in the Midlands region in Zimbabwe.The guiding objectives were ; to identify the significance of sustainable procurement to rural ...
Evelyn Kumbirai Tapfuma
doaj   +1 more source

Large‐Scale and Cost‐Effective Fabrication of Ultra‐Thin, Biodegradable Microelectrode Arrays and Pressure Sensors Using Laser Micromachining

open access: yesAdvanced Materials Technologies, EarlyView.
A mask‐free and cost‐effective UV‐pico‐second laser‐based microfabrication method is proposed to fabricate large‐area biodegradable microelectrode arrays and pressure sensors. These devices demonstrate low impedance, good conformability, excellent biocompatibility, and rapid degradation, providing a new route for next‐generation transient electronics ...
Bhavani Prasad Yalagala   +5 more
wiley   +1 more source

THE MANAGEMENT OF PUBLIC PROCUREMENT FOR SUSTAINABLE AGRICULTURAL PRODUCTS [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2023
The purpose of this paper is to present the procedure of managing public procurement contracts for sustainable agricultural products from the public entities perspective (with reference to setting criteria for selecting the suppliers, contract management,
Ecaterina Milica DOBROTA   +2 more
doaj  

Sustainable Procurement

open access: yes, 2023
Sustainable procurement is satisfying an organization's demands at the best possible financial value while minimizing the negative impact on humans and the atmosphere. There are studies where environmental factors are included as a KPI in buying elements, but it’s tough to integrate the three essential pillars Social, Economic, and Ecological Pillar ...
openaire   +1 more source

Public procurement and sustainable development

open access: yesRevista de Direito Público da Economia, 2021
Public procurement has been evolving from an economic instrument into a mixed one with the inclusion of horizontal policies (both environmental and social ones). The latest Directives regarding public procurement have turned some of the previous “suggested” instruments into binding law, namely the sustainability principle, mandatory procedure ...
openaire   +3 more sources

Flexible Chemiresistive Chitosan‐Glycerol Sensors on Laser‐Induced Graphene Electrodes for Room‐Temperature Ammonia Detection

open access: yesAdvanced Materials Technologies, EarlyView.
Flexible Chitosan‐glycerol sensor integrated with porous laser‐induced graphene (LIG) electrodes enable room‐temperature chemiresistive detection of ammonia (NH3) and proof‐of‐concept detection of fish spoilage. ABSTRACT We report a metal‐free sensor platform combining laser induced graphene (LIG) electrodes with drop‐deposited, glycerol‐plasticized ...
Mintesinot Tamiru Mengistu   +9 more
wiley   +1 more source

Key drivers of sustainable procurement in the oil and gas industry: Evidence from Namibia Corporation

open access: yesJournal of Transport and Supply Chain Management
Background: Sustainable procurement is a crucial pillar of corporate governance and competitiveness, particularly in resource-constrained environments such as Namibia.
Petrina N. Erasmus
doaj   +1 more source

Public Procurement Process Design and Small and Medium Enterprises Access to Contracts in Uganda [PDF]

open access: yesInternational Journal of Supply and Operations Management, 2017
Small and Medium Enterprises are often excluded from public procurement contracts due to several factors. We need effective public procurement policies, systems and personnel to ensure that the opportunities are scaled up rapidly, transparently and ...
Peter Obanda
doaj   +1 more source

Sustainable procurement: Emerging issues

open access: yes, 2008
Sustainable procurement is the pursuit of sustainable development objectives (WCED, 1987) through the purchasing and supply process, and involves balancing environmental, social and economic objectives.
Wendy Phillips   +4 more
core   +1 more source

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