Verse epitaphs are our main and very abundant source for responses to individual deaths. We can almost never know exactly whose attitudes or values they express, but we can assume that they embody attitudes and values that it was acceptable to express publicly. Many at all dates seek merely to commemorate the dead person or convey grief, but, from about 400 bce onwards, others adopt a position on the fate of the dead person, though often hedged with a cautious ‘if’. Very many possibilities emerge: they range from a plain denial that anything survives death, via claims that the dead person is now (e.g.) in the aither/in the home of the blessed/on Olympos/with the heroes, to, very rarely, declarations that s/he is now actually a god. Strangely enough, support for such claims is never sought in the fact of the dead person being an initiate in a cult that promised advantage in the afterlife. In all this we see not so much individual choices as the range of options available for individuals to believe in. But we must also suspect that belief in the more optimistic options can seldom have been as firm as in a society where such options were authoritatively endorsed and alternatives not publicly countenanced.

A passage in Eunapius (476–7, pp. 440–2 Loeb) draws an interesting contrast between the attitudes to divination of the two sophists Maximus and Chrysanthius: Maximus, who manipulates the omens until they say what he wants, and Chrysanthius, who scrupulously obeys their apparent meaning. But a passage a little later (500–1, pp. 542–4 Loeb) apparently ascribes to Chrysanthius the opposite attitude. This article suggests a transposition to restore coherence to the text. Even if the transposition is wrong, the contrast drawn in the first passage between two attitudes to divination, one rigorous and literalist, one manipulative, is important.

Diffuse Reflectance Fourier Transform Infrared spectroscopy was used to monitor both molecular interactions and concentrations of volatile organic chemicals adsorbed on a commercial montmorillonite. Chemicals tested included propanoic acid, hexanal, heptanal, trimethylamine, dimethylsulfide and dimethyldisulfide. Diffuse Reflectance Fourier Transform Infrared spectroscopy had several advantages over other infrared techniques including ease of sample preparation, greater numbers of useful bands and the ability to detect both major and minor components from the same spectra. Evidence for the formation of organo-clay complexes was found for all chemicals except dimethylsulfide. Spectra of mixed chemicals on the clay showed numerous overlapping bands. Organic concentrations were determined by multicomponent analysis using a least squares curve fitting technique. Significant correlation (P < 0.01) between actual and determined concentrations of added organics was obtained for all except dimethylsulfide. Here the weak spectral contribution appeared to be overshadowed by the strongly adsorbing montmorillonite with consequent decrease in sensitivity. Diffuse Reflectance Fourier Transform Infrared spectroscopy of organo-montmorillonite complexes could be used both as a means of studying molecular interactions and for the determination of adsorbed organic concentrations.

The quenching of cluster satellite galaxies is inextricably linked to the suppression of their cold interstellar medium (ISM) by environmental mechanisms. While the removal of neutral atomic hydrogen (H i) at large radii is well studied, how the environment impacts the remaining gas in the centres of galaxies, which are dominated by molecular gas, is less clear. Using new observations from the Virgo Environment traced in CO survey (VERTICO) and archival H i data, we study the H i and molecular gas within the optical discs of Virgo cluster galaxies on 1.2-kpc scales with spatially resolved scaling relations between stellar ($\Sigma_{\star}$), H i ($\Sigma_{\text{H}\,{\small\text{I}}}$), and molecular gas ($\Sigma_{\text{mol}}$) surface densities. Adopting H i deficiency as a measure of environmental impact, we find evidence that, in addition to removing the H i at large radii, the cluster processes also lower the average $\Sigma_{\text{H}\,{\small\text{I}}}$ of the remaining gas even in the central $1.2\,$kpc. The impact on molecular gas is comparatively weaker than on the H i, and we show that the lower $\Sigma_{\text{mol}}$ gas is removed first. In the most H i-deficient galaxies, however, we find evidence that environmental processes reduce the typical $\Sigma_{\text{mol}}$ of the remaining gas by nearly a factor of 3. We find no evidence for environment-driven elevation of $\Sigma_{\text{H}\,{\small\text{I}}}$ or $\Sigma_{\text{mol}}$ in H i-deficient galaxies. Using the ratio of $\Sigma_{\text{mol}}$-to-$\Sigma_{\text{H}\,{\small\text{I}}}$ in individual regions, we show that changes in the ISM physical conditions, estimated using the total gas surface density and midplane hydrostatic pressure, cannot explain the observed reduction in molecular gas content. Instead, we suggest that direct stripping of the molecular gas is required to explain our results.

OBJECTIVES/GOALS: Methods for recruitment and retention of participants in research have been extensively discussed, but procedures to end studies in a way that is respectful to participants and keeps them engaged are seldom described. We relate the procedures to close a study focused on genomic DNA damage and DNA repair capacity in a longitudinal population sample. METHODS/STUDY POPULATION: Data collection, which included the provision of 30 ml blood sample along with a health status survey and anthropometric measurements, was discontinued earlier than anticipated during the fourth of a five-year Community Engaged Research (CEnR) study focused on residents of historically marginalized, low wealth communities. In collaboration with the project’s Community Advisory Board, we devised a strategy to inform study participants of the study closure, which included: 1) attempts at one-on-one contact via phone, 2) provision of a study closure packet, 3) periodic mailing of study updates through study year five, 4) sustained interaction with participants through invitations to participate in additional research projects. RESULTS/ANTICIPATED RESULTS: Among 149 participants (65% female, 99% of African American descent), 106 (71%) have been reached by phone. The communication included: 1) expressions of gratitude for their participation; 2) explanation of study findings to date; and 3) assurance that data analysis continued. Among those reached, 96% agreed to ongoing communication and 97% agreed to be contacted about future studies. We continue procedures to reach the remaining 43 participants. Over the study closure period, two qualitative studies offered opportunities for participants to join in focus groups (FG). The first one queried perceptions of community-based research. The response rate was 66% among 65 persons invited. The second study, focused on COVID-19 knowledge and invited 39 individuals with 24 scheduled to participate (62% response rate). DISCUSSION/SIGNIFICANCE: Translational research views the participant as an active partner. Study closure offers an opportunity to foster a long-lasting participant-research institution partnership, while also promoting participants’ broad engagement and familiarity with research. Respectful research closure is an important step in CEnR.

The first demonstration of laser action in ruby was made in 1960 by T. H. Maiman of Hughes Research Laboratories, USA. Many laboratories worldwide began the search for lasers using different materials, operating at different wavelengths. In the UK, academia, industry and the central laboratories took up the challenge from the earliest days to develop these systems for a broad range of applications. This historical review looks at the contribution the UK has made to the advancement of the technology, the development of systems and components and their exploitation over the last 60 years.

ABSTRACT IMPACT: Our work is demonstrative of the value embedded in community engagement as a vehicle to facilitate and expand the focus of translational research. OBJECTIVES/GOALS: To develop a community-informed recruitment process for a population-based DNA integrity longitudinal study aiming to document the average amount of DNA damage as well as DNA repair capacity in a cohort of community-dwelling individuals. METHODS/STUDY POPULATION: The three-member Community Engagement team (CE Team) partnered with a ten-person Community Advisory Board (CAB) to develop recruitment procedures and materials. Through an iterative process taking place over 13 meetings, CAB members answered questions about community context, appropriate recruitment approaches, and tone of communication with potential study participants. They also collaborated in the creation of outreach materials, informational booklets, and the informed consent document. The CAB’s input was recorded in meeting notes that informed successive versions of the materials. The CE Team held post-meeting debriefs to develop consensus on lessons learned and next steps. RESULTS/ANTICIPATED RESULTS: CAB input generated a five-step recruitment process. It informed approaches to communications with potential participants and resulted in a set of printed recruitment materials. Furthermore, the CAB pushed the CE Team and laboratory scientists to think beyond study participation to a comprehensive view of respectful engagement including notification of elected officials and other community institutions. By sharing personal anecdotes and asking how this study would reflect their lived experiences and/or contribute to their communities, CAB members inspired the university team to recognize the environmental context that may underlie DNA damage in residents of an underserved community. DISCUSSION/SIGNIFICANCE OF FINDINGS: The CAB was very effective in generating tools for recruitment. Moreover, CAB members provided insights beyond those originally sought by the CE Team, regarding broader engagement and a focus of future research relevant to the needs of both the community and the university researchers.

Leaf samples from Utah State University herbarium specimens of Astragalus were analyzed qualitatively for organic nitrites. Of 324 species and varieties examined, 69 (21%) were positive for nitrites. Excluding varieties, 251 species were examined, of which 56 (22%) contained nitrites. Organic nitrites were found to be stable in dried specimens for decades. Both recently collected and 80- to 90-year-old specimens of the same species or variety tested positive for organic nitrites. Astragalus species known to cause the loco syndrome in livestock did not contain nitrites. Only one seleniferous species, A. toanus Jones, synthesized moderate amounts of organic nitrites.

Chlorsulfuron, thifensulfuron, bromoxynil, 2,4-D, glyphosate, and a combination of 2,4-D plus glyphosate were applied on newly planted and established ‘Lemberger’ wine grape at 1/3, 1/10, 1/33, and 1/100 of the maximum labelled rate in wheat or fallow to simulate exposure to drifted herbicides. All herbicides produced symptoms on grape but the most severe symptoms were with 2,4-D and the least severe with bromoxynil. Newly planted grape was more sensitive to herbicides than established grape. Although established grape recovered from injury caused by all treatments except 2,4-D and the highest rate of chlorsulfuron and glyphosate, newly planted grape recovered only from lower rates of bromoxynil. All herbicides resulted in diagnostic symptoms, but other symptoms were very similar to those caused by other stresses.