ScholarWorks@UMassAmherst

Recent Submissions

  • PublicationOpen Access
    Conducting Embedded Health Promotion Research: Lessons Learned from the Health On the Go Study in Ecuador
    (2022) Torres, Irene; López-Cevallos, Daniel; Sacoto, Fernando
    An “embedded” research approach aims to inform programme improvement and has the potential to facilitate more interactive horizontal engagement and knowledge co-production. Concurrently, this approach demands negotiating relationships with institutions and individuals. The purpose of this chapter is to identify the values, opportunities and challenges of conducting embedded research with allied health professionals, drawing from our experience assessing the Health On the Go (Salud Al Paso) Program in Quito, Ecuador. The analysis shows that an embedded research approach requires supporting personnel to become partners, and as staff members become co-creators of knowledge, researchers have less vertical control over the study. Conducting research with health personnel may be stimulating for them when their opinions are valued and may help them reflect on their own practices. Furthermore, it may also demonstrate the importance of jointly assessing a health promotion initiative. Qualitative techniques, such as focus groups, may be useful for participants to contrast their perceptions and opinions with those of their colleagues. It is important to follow a three-step process: (1) developing a relationship of trust by being transparent, (2) being flexible when engaging and communicating with decision-makers and (3) co-producing knowledge while remaining continuously reflexive on potential biases.
  • PublicationOpen Access
    Effect of floral bloom timing on the transmission of the bumble bee pathogen Crithidia bombi (Trypanosomatida: Trypanosomatidae)
    (2026) Pinilla-Gallego, Mario; Adler, Lynn
    The CSV files and R scripts contained the data and code associated with the paper "Effect of floral bloom timing on the transmission of the bumble bee pathogen Crithidia bombi (Trypanosomatida: Trypanosomatidae)".
  • PublicationMetadata only
    Price Stabilization and Policy Innovation in Mexico: Systemically Significant Prices During COVID-19 Inflation
    (2026) Lara Jauregui, Jesús; Matamoros, Guillermo; Weber, Isabella Maria
    This paper examines Mexico’s COVID-19 pandemic price stabilization policy, emphasizing its originality and departure from conventional approaches. Unlike previous administrations that heavily relied on peso overvaluation, AMLO’s government adopted a diverse range of heterodox measures. These included a price agreement to establish a cap on the price of a basket of essential products, strategic stabilization subsidies, emergency buffer stocks, targeted tariff reductions, and a targeted communication strategy. The paper then simulates price shocks using an input-output model of the Mexican economy to identify industries that were systemically significant during the pandemic inflation period (2021–2023). Subsequently, it evaluates the policy’s effectiveness by comparing pass-through estimates across recent inflation periods, revealing evidence that the policy contributed to curbing pandemic inflation.
  • PublicationOpen Access
    Electro-excitation of some bound states of ¹⁵N and ³⁹K
    (1973-04) Fleming, Donald M.
    Bound states in ¹⁵N and ³⁹K have been studied by inelastic electron scattering experiments performed at the Kelvin Laboratory and at the Mark III electron linear accelerator at Stanford University. For the nitrogen experiment, inelastic spectra were measured for incident electron energies between 59 and 110 MeV and scattering angles between 97.5° and 155°. The data were taken at fixed momentum transfer and variable scattering angle so that a model-independent separation of the square of the inelastic form factor into its longitudinal and transverse components could be performed. The range of momentum transfers spanned by the data was 0.47 fm-¹ to 0.87 fm-¹. A heavy-liquid ammonia target was used in this experiment. Reduced transition probabilities and transition radii were extracted for the levels at 5.27 MeV C5/2+), 6.32 MeV (3/2-), 7.30 MeV (3/2+), 7.56 MeV C7/2+), 9.16 MeV (3/2-), and 9.76 MeV (5/2-). The data were analyzed in the Plane-Wave Born-Approximation. For the potassium experiment, the incident electron energy was 150 MeV and inelastic spectra were measured for scattering angles from 50° to 110° in 5° intervals. This corresponds to a momentum transfer range of 0.6 fm-¹ to 1.28 fm-¹ Reduced transition probabilities and transition radii were extracted for the first four excited states in at 2.53 MeV (1/2+), 2.82 MeV (7/2-), 3.02 MeV (3/2-), and 3.60 MeV (9/2-). The data were analyzed by using a Distorted-Wave Born-Approximation calculation. The applicability of the weak-coupling model to excited states in ¹⁵N and ³⁹K was investigated. For the case of ¹⁵N , the experimental evidence was not consistent with the predictions of the weak-coupling model. Since two of the states in the weak-coupling multiplet in ³⁹K were not resolved from nearby levels, it was concluded that additional experimental data was required before any definite conclusions could be drawn as to whether the weak-coupling model applied to the states in ³⁹K.
  • PublicationOpen Access
    Pesticide residues in honey: Agricultural landscapes and commercial wax foundation sheets as potential routes of chronic exposure for honey bees
    (Elsevier, 2025-04-15) Munoz Agudelo, Deicy Carolina; Adler, Lynn; Whitehead, Hannah; Figueroa, Laura
    Pesticides pose significant threats to pollinators, and honey bees are frequently exposed through foraging and beekeeping practices. We assessed honey bee pesticide exposure by analyzing 92 pesticide residues in honey from 30 hobbyist apiaries across Massachusetts, along with store-bought honey and commercial wax foundation. For all samples, we calculated the risk of multiresidue toxicity to honey bees and assessed the role of landscape composition in predicting pesticides in local honey. Both honey and wax contained multiple pesticides, particularly neonicotinoids and piperonyl butoxide. Store-bought honey accumulated at least two times more residues than local but did not differ significantly in toxicity. Overall, honey toxicity levels remained below thresholds of concern for bees and human consumption. Although our study had low agricultural land (~6 %), croplands were positively correlated with pesticides in honey, while wetlands (~ 15 %) were negatively correlated. Additionally, our study suggests that commercial wax exacerbates pesticide exposure.