Results 131 to 140 of about 518,604 (294)

Parametric Optimization of PEDOT:PSS Aerosol Jet Printing for Enhanced Line Morphology in Flexible Electronics

open access: yesAdvanced Electronic Materials, EarlyView.
This work maps and optimizes aerosol‐jet printing of PEDOT:PSS on flexible polyimide. By co‐tuning carrier and sheath gas flows, print speed, and solvent composition with surface activation, continuous, uniform microlines with sharp edges and minimal overspray are achieved.
Md Shariful Islam   +2 more
wiley   +1 more source

Who Benefits from Fairtrade? Evidence from the Swedish Coffee Market [PDF]

open access: yes, 2017
JEL Codes: D43, O19, P46This paper analyses how the premium customers pay for Fairtrade-labelled coffee is distributed in the Swedish market, using information on costs of production and scanner data on almost all roasted and ground coffee products sold ...
Durevall, Dick
core  

Scalable Wheat Bran‐Algae Composites for Edible Electronics with Spray‐Coated Food‐Grade Conductive Inks

open access: yesAdvanced Electronic Materials, EarlyView.
A fully edible wheat bran–algae substrate is fabricated through scalable mould‐compression and spray‐coating, enabling robust, food‐grade platforms for sustainable electronics. A chitosan barrier improves water resistance and ink compatibility, while activated‐carbon conductive films form uniform electrodes with Ohmic behaviour.
Jaz Johari   +7 more
wiley   +1 more source

Antioxidant, antimicrobial and healing properties of an extract from coffee pulp for the development of a phytocosmetic

open access: yesScientific Reports
Consumer demand for natural, chemical-free products has grown. Food industry residues, like coffee pulp, rich in caffeine, chlorogenic acid and phenolic compounds, offer potential for pharmaceutical and cosmetic applications due to their antioxidant ...
Érica Mendes dos Santos   +12 more
doaj   +1 more source

Seduced or Sceptical Consumers? Organised Action and the Case of Fair Trade Coffee [PDF]

open access: yes
This article brings together research on political consumerism, social movements and markets to analyse the phenomenon of fair trade coffee. It does this to demonstrate the influence of organised consumers in shaping markets, and to show that people are ...
Janette Webb
core  

Certification as an upgrading strategy for small-scale farmers and their cooperatives : a value chain analysis for Nicaraguan coffee [PDF]

open access: yes, 2010
For many small producers in developing countries coffee is a major income source. However, the coffee market is characterized by high price volatility and increased power concentration among buyers in consuming countries.
Beuchelt, Tina, Kiemen, Anna
core   +1 more source

Device Performance of Emerging Photovoltaic Materials (Version 6)

open access: yesAdvanced Energy Materials, EarlyView.
Efficiency of single junction perovskite (circles), organic (hexagons), dye sensitized (pentagons), kesterite (diamonds), Sb2Se3 (right triangle), and AgBiS2 (left triangles) solar cells at emerging‐pv.org over the last decade. ABSTRACT This 6th annual Emerging PV Report surveys peer‐reviewed advances since August 2024 across perovskite, organic ...
Osbel Almora   +29 more
wiley   +1 more source

Aktivitas Antioksidan dan Kualitas Organoleptik Kopi Bubuk Non Kafein dari Biji Pepaya dan Buah Nangka dengan Lama Penyangraian yang Berbeda [PDF]

open access: yes, 2016
Generally coffee drink is a beverage produced from the processing of coffee beans. It’s containing high caffeine that if consumed in excessive amounts will adversely affect the health, because it have been decaffeination technology to reduce levels of ...
, Dra. Suparti M,Si, NOFITRIYANI, ANNISA
core  

Modulating Coffee Fermentation Quality Using Microbial Inoculums from Coffee By-Products for Sustainable Practices in Smallholder Coffee Production

open access: yesSustainability
This study developed an inoculum culture for semi-controlled coffee fermentation using lactic acid bacteria (LAB) and yeast, with coffee production by-products as carbon sources. The viability of the inoculum was optimized by using a mixture design to vary the proportions of coffee pulp (CP) and wastewater (CWW) in 0.25 increments; as a process ...
Luisa-Fernanda Duque-Buitrago   +4 more
openaire   +1 more source

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