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Dr. Tracy  Collins  Md image

Dr. Tracy Collins Md

283 S Butler Rd
Mt Gretna PA 17064
717 738-8871
Medical School: Other - Unknown
Accepts Medicare: No
Participates In eRX: No
Participates In PQRS: No
Participates In EHR: No
License #: 24914
NPI: 1194863639
Taxonomy Codes:
2084P0800X

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Publications

Conducting longitudinal research with older widows: Exploring personal communities through multiple methods. - Journal of women & aging
This article reports on the process of undertaking a longitudinal multiple methods study with older women experiencing the transition of later-life widowhood. Three qualitative in-depth interviews were conducted with 26 older widows in North Staffordshire, United Kingdom. Interviews included the use of personal community diagrams to identify the structure of personal communities and Christmas and Christmas cards to further explore social relationships and practices during transition. Examples of cases are given to illustrate the findings derived from the methods employed. The cases demonstrate the diverse and often paradoxical nature of social relationships within similar networks.
'It pushed me back into the human race': evaluative findings from a community Christmas event. - Health & social care in the community
Many older people in Britain spend Christmas day alone. The Christmas period may be especially difficult for older people who are socially isolated, living with dementia or who have physical impairments, and may feel particularly marginalised at this time of year. This paper draws on evaluative research findings from a community Christmas event held in December 2014 at the University of Salford for older people and their carers who would be on their own on Christmas day. A multi-method approach was employed, seven guests took part in semi-structured interviews to explore their experiences and perceptions of the event, seven staff and student volunteers participated in a group interview to explore and discuss their participation in the event. Data collection took place during April and May 2015. Interview transcripts were subjected to thematic analysis. Three overarching themes were identified from the interviews: 'reasons for participants attending the event', 'a different Christmas day: the impact on guests and volunteers', and 'learning, planning and moving forwards'. The findings illustrate that a range of people participated in the Christmas day event for a variety of reasons. The event itself had a positive impact, including the shared experience of social belonging, for all involved. There are tangible longer term benefits as a result of the event, such as ongoing contact between participants and the development of supportive networks in the local community.© 2016 The Authors. Health and Social Care in the Community Published by John Wiley & Sons Ltd.
Athletic fashion, "Punch," and the creation of the new woman. - Victorian periodicals review
Between 1885-1900 "Punch" satirized the personality of the New Woman. However, virtually single-handedly it also gave a body and emancipated culture to this otherwise socially abstract personality. Using illustrations from "Punch," this essay argues that using sport specific clothing and equipment in its cartoons, "Punch" completely unintentionally created a liberating picture of women while simultaneously using its captions and border texts to make the New Woman's body signify the anxieties patriarchal culture had about her social personality and politics.
The effect of a cationic porphyrin on Pseudomonas aeruginosa biofilms. - Current microbiology
Current studies have indicated the utility of photodynamic therapy using porphyrins in the treatment of bacterial infections. Photoactivation of porphyrins results in the production of singlet oxygen ((1)O(2)) that damages biomolecules associated with cells and biofilms, e.g., proteins, polysaccharides, and DNA. The effect of a cationic porphryin on P. aeruginosa PAO1 biofilms was assessed by exposing static biofilms to 5,10,15,20-tetrakis(1-methyl-pyridino)-21H,23H-porphine, tetra-p-tosylate salt (TMP) followed by irradiation. Biofilms were visualized using confocal laser scanning microscopy (CLSM) and cell viability determined using the LIVE/DEAD BacLight viability assay and standard plate counts. At a concentration of 100 μM TMP, there was substantial killing of P. aeruginosa PAO1 wild-type and pqsA mutant biofilms with little disruption of the biofilm matrix or structure. Exposure to 225 μM TMP resulted in almost complete killing as well as the detachment of wild-type PAO1 biofilms. In contrast, pqsA mutant biofilms that contain less extracellular DNA remained intact. Standard plate counts of cells recovered from attached biofilms revealed a 4.1-log(10) and a 3.9-log(10) reduction in viable cells of wild-type PAO1 and pqsA mutant strains, respectively. Our results suggest that the action of photoactivated TMP on P. aeruginosa biofilms is two-fold: direct killing of individual cells within biofilms and detachment of the biofilm from the substratum. There was no evidence of porphyrin toxicity in the absence of light; however, biofilms pretreated with TMP without photoactivation were substantially more sensitive to tobramycin than untreated biofilms.
PilJ localizes to cell poles and is required for type IV pilus extension in Pseudomonas aeruginosa. - Current microbiology
Twitching motility allows Pseudomonas aeruginosa to respond to stimuli by extending and retracting its type IV pili (TFP). PilJ is a protein necessary for this surface-associated twitching motility and bears high sequence identity with Escherichia coli methyl-accepting chemotaxis proteins (MCP). Here, we report that whereas wild-type P. aeruginosa PAO1 cells have extended pili at a single pole, pilJ mutant cells have shortened pili often at both poles despite normal levels of pilin accumulation, suggesting that PilJ is required for full TFP assembly/extension. Using yellow fluorescent protein fusions (pilJ-yfp), both plasmid born and in-frame chromosomal constructs, we determined that PilJ localizes to both poles of the cell. Overexpression of pilJ-yfp resulted in the protein accumulating between the poles.

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283 S Butler Rd Mt Gretna, PA 17064
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Nearby Doctors

283 S Butler Road
Mt Gretna, PA 17064
800 320-0359
283 S Butler Road
Mt Gretna, PA 17064
800 320-0359
283 S Butler Rd
Mt Gretna, PA 17064
800 320-0359
283 S Butler Road
Mt Gretna, PA 17064
800 320-0359
283 S Butler Road
Mt Gretna, PA 17064
800 320-0359
283 S Butler Road
Mt Gretna, PA 17064
717 738-8871
283 S Butler Road
Mt Gretna, PA 17064
717 738-8871
283 South Butler Rd
Mount Gretna, PA 17064
717 738-8871
283 S Butler Road
Mt Gretna, PA 17064
800 320-0359