high congestion of returned product at remanufacturing facility causes substantial delays and consequently remarketing value losses for time-sensitive and high-tech products with short life cycles, such as electronic equipments. at the remanufacturing site the returned product are inspected and classified according to their quality and processing time in one of the two classes: class 1 being ad...

In this paper, a reverse supply chain network is investigated for a decision making. This decision is surrounded by complex flows of returned products, due to the increasing quantity, the type of returned products and the variety of recovery option products (reuse, recycling, and refurbishment). The most important problem in the reverse logistic network (RLN) is to orient returned products to t...

During the last decade, reverse logistics networks received a considerable attention due to economic importance and environmental regulations and customer awareness. Integration of leading and reverse logistics networks during logistical network design is one of the most important factors in supply chain. In this research, an Integer Linear Programming model is presented to design a multi-layer...

An in vitro microbial challenge test has been developed to predict the likelihood of consumer contamination of cosmetic products. The challenge test involved inoculating product at four concentrations (30, 50, 70, and 100%) with microorganisms known to contaminate cosmetics. Elimination of these microorganisms at each concentration was followed over a 28-day period. The test was used to classif...

ACS MEETING NEWS Stalled. Regrouped. Returned. ShareShare onFacebookTwitterWechatLinked InRedditEmail C&EN, 2023, 101 (24), pp 32–60July 24, 2023Cite this:C&EN 101, 32-60(Credit: Shutterstock)Figure1of1What a difference 3 years make. As COVID-19 grabbed hold of the global community in 2020, chemists US and across world canceled airline hotel reservations had to forego plans connect with colleag...

Background: Increasing demand for blood and blood products mostly due to increased individual access to health care services rises the concerns over lack of adequate amounts of blood products. It also can impose additional costs to blood transfusion centers and may increase transfusion-related complications. We aimed to investigate the impact of the Iranian Blood Transfusion Organization (IBTO)...