24 research outputs found
Ceramic Shell Cup Effigies from Illinois and their Implications
Ceramic effigies ofmarine shell cups have long been known from
Mississippian sites in Illinois and elsewhere in the Southeast,
and have been included in studies of other ceramic effigies, such
as animal figures and head pots (Holmes 1886). This paper
focuses on 31 known Illinois specimens. I will show that, in
Illinois, the geographic range of these effigies is primarily
restricted to the American Bottom around Cahokia, and their
occurrence is largely limited to Late Mississippian Moorehead
and Sand Prairie phases (A.D. 1200 to 1400). I also explore
possible meanings of shell cups and, by extension, ceramic
effigies of shell cups. Ethnohistoric as well as archaeological
evidence show that lightning whelk cups and, by analogy, shell
cup effigies functioned in contexts of uncertainty and conflict,
consistent with their context in Illinois.Ope
Crafting shell beads at East St. Louis & Greater Cahokia
Shell bead crafting at Cahokia focused on lightning whelk beads. An enormous amount of time was spent crafting beads, indicating full-time bead making specialists.Ope
Full-time bead crafters at Greater Cahokia
Bead crafting is time consuming and used lightning whelk and other species of shells brought from the eastern Gulf of Mexico to bead workshops at Cahokia. Tens of thousands of shell beads were made and deposited. Using ethnographic analogy from stone age bead crafting societies, along with time estimates of bead crafting, we examine bead crafting at Greater Cahokia as well as other Mississippian sites and conclude that bead crafting was a specialized, subsidized activity.Ope
Study of exclusive one-pion and one-eta production using hadron and dielectron channels in pp reactions at kinetic beam energies of 1.25 GeV and 2.2 GeV with HADES
We present measurements of exclusive ensuremathπ+,0 and η production in pp reactions at 1.25GeV and 2.2GeV beam kinetic energy in hadron and dielectron channels. In the case of π+ and π0 , high-statistics invariant-mass and angular distributions are obtained within the HADES acceptance as well as acceptance-corrected distributions, which are compared to a resonance model. The sensitivity of the data to the yield and production angular distribution of Δ (1232) and higher-lying baryon resonances is shown, and an improved parameterization is proposed. The extracted cross-sections are of special interest in the case of pp → pp η , since controversial data exist at 2.0GeV; we find \ensuremathσ=0.142±0.022 mb. Using the dielectron channels, the π0 and η Dalitz decay signals are reconstructed with yields fully consistent with the hadronic channels. The electron invariant masses and acceptance-corrected helicity angle distributions are found in good agreement with model predictions
Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases.
BACKGROUND & AIMS: Therapeutic drug monitoring (TDM) is widely available for biologic therapies in patients with inflammatory bowel disease (IBD). We reviewed current data and provided expert opinion regarding the clinical utility of TDM for biologic therapies in IBD.
METHODS: We used a modified Delphi method to establish consensus. A comprehensive literature review was performed regarding the use of TDM of biologic therapy in IBD and presented to international IBD specialists. Subsequently, 28 statements on the application of TDM in clinical practice were rated on a scale of 1 to 10 (1 = strongly disagree and 10 = strongly agree) by each of the panellists. Statements were accepted if 80% or more of the participants agreed with a score ≥7. The remaining statements were discussed and revised based on the available evidence followed by a second round of voting.
RESULTS: The panel agreed on 24 (86%) statements. For anti-tumor necrosis factor (anti-TNF) therapies, proactive TDM was found to be appropriate after induction and at least once during maintenance therapy, but this was not the case for the other biologics. Reactive TDM was appropriate for all agents both for primary non-response and secondary loss of response. The panellists also agreed on several statements regarding TDM and appropriate drug and anti-drug antibody (ADA) concentration thresholds for biologics in specific clinical scenarios.
CONCLUSION: Consensus was achieved towards the utility of TDM of biologics in IBD, particularly anti-TNF therapies. More data are needed especially on non-anti-TNF biologics to further define optimal drug concentration and ADA thresholds as these can vary depending on the therapeutic outcomes assessed