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9. Morphologies, structures, and interfacial electronic structure of perylene on Au(111).

Author

Manandhar, K., Sambur, J. B., and Parkinson, B. A.

Subjects
*PERYLENE, *SCANNING tunneling microscopy, *PHOTOELECTRON spectroscopy, *THIN films, *GOLD
Abstract

Various coverages of perylene thin films on Au(111) were investigated using scanning tunneling microscopy (STM) and ultraviolet photoelectron spectroscopy and x-ray photoelectron spectroscopy. A Schottky junction formed between Au(111) and perylene consisted of a large 0.65 eV interface dipole and a hole barrier height of 0.85 eV. A wetting layer of approximately 4 Å thickness was initially formed followed by island formation, consistent with Stranski–Krastanov growth. Room temperature STM investigations of nominal one monolayer perylene films revealed symmetry equivalent domains and two different stable commensurate lattice structures. Perylene film growth mode, film structure and the energy level diagram are discussed. [ABSTRACT FROM AUTHOR]

Published
2010
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15. Prevalence and risk of hepatitis E virus infection in the HIV population of Nepal

Author

Shrestha, A, Adhikari, A, Bhattarai, M, Rauniyar, R, Debes, Jose, Boonstra, Andre, Lama, TK, Al Mahtab, M, Butt, AS, Akbar, SMF, Aryal, N, Karn, S, Das Manandhar, K, Gupta, BP, Shrestha, A, Adhikari, A, Bhattarai, M, Rauniyar, R, Debes, Jose, Boonstra, Andre, Lama, TK, Al Mahtab, M, Butt, AS, Akbar, SMF, Aryal, N, Karn, S, Das Manandhar, K, and Gupta, BP

Published
2017

21. Use of reverse sural artery flap for reconstruction of defects of distal leg, ankle and foot.

Author

shrestha, J. M., Rayamajhi, S., Lohani, I., Manandhar, K., and Sharama, S.

Subjects
ANKLE abnormalities, ARTERIAL surgery, PLASTIC surgery
Abstract

Introduction: Reverse sural artery flap has been used effectively to cover defects of distal leg, ankle and foot. This flap is easier and quick to harvest and is a versatile flap in terms of extensive mobility and reliable vascularity and, in many instances it has obviated the need for free tissue transfer. Methods: This is a retrospective study of sural flaps done at the Department of Plastic Surgery' and Burns in Tribhuvan University Teaching Hospital over a period of 4 years from April 2011 to March 2015. It included 21 flaps carried out in 21 patients with soft tissue defects at distal lower leg, ankle and foot. Results: Among 21 patients, 10 were men and 11 were women with an average age of 41 years (17 - 81). Successful flap coverage was obtained in 16 cases out of 21 (76%) which included 10 cases of complete survival (48%) and 6 cases (28%) of marginal flap necrosis. Four cases (19%) had partial flap loss and one case (5%) lost flap completely. Conclusion: we found that reverse sural artery' flap has good reliability with low incidence of complications and is a versatile flap for the reconstruction of defects in distal leg, ankle and foot. [ABSTRACT FROM AUTHOR]

Published
2017

50. Intervention to Improve Timing of Preoperative Antibiotic Prophylaxis in Major Elective Surgery.

Author

Shah, J. N., Maharjan, S. B., Manandhar, K., Shrestha, A., Piya, R., and Basnet, N. B.

Subjects
ELECTIVE surgery, ANTIBIOTIC prophylaxis, PREOPERATIVE period, SURGICAL site, INFECTION
Abstract

Aims: Timely administration of antibiotic before incision ensures effective concentration in blood and tissues. Compliance with established guidelines is problematic due to logistics. Aim of this study was to improve timing of antibiotic prophylaxis (AP) with appropriate intervention in existing practices. Methods: Cross sectional study was conducted from May-June 2011 with target of enrolling at least 100 elective major cases (excluding obstetrics) who received AP before surgery. Anesthetists took responsibility of AP administration (Cefazoline 1 g as per our protocol unless indicated otherwise) instead of floor nurse as our earlier practice. Institutional ethical committee approved the study. Data collected in a pre-designed proforma was analyzed using Microsoft Excel. Results: Out of 120 patients, 64% were female. Average age was 43 years (4 to 87). General surgery cases were 51%, urosurgery 20%, gynecology and orthopaedic each 13% and others 6%. One hundred nineteen (99%) received AP before incision, 58(48%) within 60 to 30 minutes before incision and 1 (1%) after the incision. Conclusions: Anesthetist taking charge of the team for AP administration is a feasible option to improve compliance. [ABSTRACT FROM AUTHOR]

Published
2012

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