Auras Lab News
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Impact of Hydrolysis Pretreatment on the Compostability of Biodegradable Poly(caprolactone) and Poly(lactic acid) Films
Published on April 8, 2025
Hydrolysis pretreatment was performed on PLA and PCL to accelerate biodegradation, reducing molecular weight and increasing crystallinity. Hydrolysis pretreatment notably enhanced biodegradation in PLA and exhibited minimal impact on PCL. -
Life cycle assessment of polyethylene packaging and alternatives on the European market
Published on March 22, 2025
A collaborative effort among Circular Analytic, ExxonMobil, and Michigan State University School of Packaging on evaluating the potential environmental footprint of polyethylene packaging and alternative materials in the European market. -
Polyethylene packaging and alternative materials in the United States: A life cycle assessment
Published on February 7, 2025
A collaborative effort among Trayak, ExxonMobil, and Michigan State University School of Packaging, on evaluating the potential environmental footprint of polyethylene packaging and alternative materials in the United States. -
Life cycle assessment of packaging systems: A meta-analysis to evaluate the root of consistencies and discrepancies
Published on November 15, 2024
A meta-analysis of packaging LCA studies assessed ISO adherence, packaging formats, bottles, cartons, bags, cans, and environmental footprints. -
Assessing environmental trade-offs in packaging systems for infant formula delivery: A cradle-to-gate plus end-of-life life cycle assessment
Published on April 25, 2024
An LCA study was conducted comparing three packaging systems to deliver infant formula, including primary (plastic, composite, and steel containers) and secondary and tertiary packaging levels, all manufactured and distributed in North America. -
Speeding it up: dual effects of biostimulants and iron on the biodegradation of poly(lactic acid) at mesophilic conditions
Published on February 24, 2024
Biodegradation of poly(lactic acid) (PLA) in compost and environments enriched with iron, gelatin, skim milk, and ethyl lactate under moderate temperature conditions. Introducing iron and gelatin significantly accelerates PLA biodegradation. -
Accelerating Biodegradation: Enhancing Poly(lactic acid) Breakdown at Mesophilic Environmental Conditions with Biostimulants
Published on February 24, 2024
Including gelatin, skim milk, and ethyl lactate in the compost helps improve the protease activity and stimulates the activity of lactate utilizing microorganisms, thus improving the biodegradation rate of PLA at mesophilic temperatures. -
Unlocking the secrets of high-water barrier stereocomplex polylactide blend extrusion films
Published on February 24, 2024
Stereocomplex polylactide (sc-PLA) films were produced without using a masterbatch, including varieties with PLLA/PDLA ratios of 85/15, 70/30, 50/50, and 30/70. Blended and annealed films show a reduced moisture barrier by a factor of 2.5 to 6. -
Hydrolytic Degradation of Poly(lactic acid): Unraveling Correlations between Temperature and the Three Phase Structures
Published on September 23, 2023
This work investigates the hydrolysis kinetics of PLA films as affected by the degree of crystallinity and temperatures by considering the three-phase model structures (i.e., mobile amorphous, rigid amorphous, and crystalline). -
PPWR2: Optimizing Packaging Systems' Safety for Reuse and Recycling in Compliance with the New Packaging and Packaging Waste Regulation
Published on September 11, 2023
The new PPWR is a cornerstone of the European Commission's Circular Economy Action Plan. All packaging in the EU will need to adapt to these regulations starting in 2025. Join us for the 2nd Symposium on Packaging Materials Supply Chain Safety. -
PPWR2: Optimizing Packaging Systems' Safety for Reuse and Recycling in Compliance with the New Packaging and Packaging Waste Regulation
Published on September 11, 2023
The new PPWR is a cornerstone of the European Commission's Circular Economy Action Plan. All packaging in the EU will need to adapt to these regulations starting in 2025. Join us for the 2nd Symposium on Packaging Materials Supply Chain Safety. -
MSU School of Packaging researchers make a sustainable plastic more compostable
Published on August 4, 2023
Researchers led by Rafael Auras in the Michigan State University School of Packaging have shown how to make a bio-based polymer compostable in both home and industrial settings. -
Breaking It Down: How Thermoplastic Starch Enhances Poly(lactic acid) Biodegradation in Compost─A Comparative Analysis of Reactive Blends
Published on June 29, 2023
Blending PLA with thermoplastic starch promotes sustainable biodegradation of PLA under mesophilic and thermophilic conditions without creating microplastics. -
Boosting Degradation of Biodegradable Polymers
Published on January 26, 2023
Compostability certification of polymers is time-consuming and expensive. Approaches to accelerating the biodegradation of these polymers in simulated composting conditions can facilitate and speed up evaluating potential compostable polymers. -
Mapping class learning outcomes of the core curriculum to university learning goals at Michigan State University's School of Packaging
Published on January 4, 2023
Class learning outcomes supporting the interdisciplinary curriculum of the School of Packaging at Michigan State University (MSU) were mapped to competency-based, programmatic learning outcomes undergirded by broad learning goals of the University. -
The effect of alcoholic solutions on the thermomechanical properties of immersed poly(lactic acid) films
Published on December 1, 2022
The effects of aqueous and deuterium oxide (D2O) solutions of alcohols (methanol, ethanol, 1-propanol, 2-propanol, and 1-butanol) on the thermomechanical properties of poly(lactic acid)—PLA—films were assessed by dynamic mechanical analysis. -
Biodegradation of Biodegradable Polymers in Mesophilic Aerobic Environments
Published on October 12, 2022
Biodegradable polymers derived from bio- and fossil-based sources have emerged as one feasible alternative to overcome inconveniences associated with the use and disposal of non-biodegradable polymers. -
Life Cycle of Sustainable Packaging: from Design to End of Life
Published on September 28, 2022
Our book “Life Cycle of Sustainable Packaging: from Design to End of Life” has been published. -
Nutritious mushroom protein crisp – healthy alternative to starchy snack
Published on March 4, 2022
A method of producing and testing mushrooms protein crisps (MPC), a healthy alternative to conventional starchy snacks that are rich in protein, nutraceutical compounds, minerals, vitamin, dietary fiber, and immunity inducing beta-glucans. -
Teaching Philosophy
Published on March 3, 2022
Think of your footprint: inspiring students to be lifelong learners and be passionate about their packaging profession
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