Ashraf Khir: search on Z-Library

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1

Improved energy harvesting from low frequency vibrations by resonance amplification at multiple frequencies

Ashraf, K., Md Khir, M.H., Dennis, J.O., Baharudin, Z.

Journal:

Sensors and Actuators A: Physical

Year:

2013

Language:

english

File:

PDF, 1.60 MB

english, 2013

2

The human heart: Application of the golden ratio and angle

Michael Y. Henein, Ying Zhao, Rachel Nicoll, Lin Sun, Ashraf W. Khir, Karl Franklin, Per Lindqvist

Journal:

International Journal of Cardiology

Year:

2011

Language:

english

File:

PDF, 421 KB

english, 2011

3

Weight Loss After Bariatric Surgery Significantly Improves Carotid and Cardiac Function in Apparently Healthy People with Morbid Obesity

Giudici, Alessandro, Palombo, Carlo, Kozakova, Michaela, Morizzo, Carmela, Losso, Lorenzo, Nannipieri, Monica, Berta, Rossana, Hughes, Alun D., Cruickshank, J. Kennedy, Khir, Ashraf W.

Journal:

Obesity Surgery

Year:

2020

File:

PDF, 549 KB

2020

4

[IEEE 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Boston, MA (2011.08.30-2011.09.3)] 2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Wave speed and intensity in the canine aorta: Analysis with and without the Windkessel-wave system

Borlotti, Alessandra, Khir, Ashraf

Year:

2011

Language:

english

File:

PDF, 1.09 MB

english, 2011

5

Zero flow pressure (Pinfinity) is larger than mean circulatory filling pressure. A systematic review and meta-analysis

Hughes, Alun, Parker, Kim, Khir, Ashraf

Journal:

Artery Research

Year:

2018

Language:

english

File:

PDF, 45 KB

english, 2018

6

Intra-Aortic Balloon Shape Change: Effects on Volume Displacement During Inflation and Deflation

Khir, Ashraf William, Bruti, Gianpaolo

Journal:

Artificial Organs

Year:

2013

Language:

english

File:

PDF, 451 KB

english, 2013

7

Design, Modeling and Simulation of CMOS-MEMS Piezoresistive Cantilever Based Carbon Dioxide Gas Sensor for Capnometry

Mirza, Asif, Hamid, Nor Hisham, Md Khir, Mohd Haris, Ashraf, Khalid, Jan, M.T., Riaz, Kashif

Journal:

Advanced Materials Research

Year:

2011

Language:

english

File:

PDF, 459 KB

english, 2011

8

Pulse wave propagation in a model human arterial network: Assessment of 1-D numerical simulations against in vitro measurements

Koen S. Matthys, Jordi Alastruey, Joaquim Peiró, Ashraf W. Khir, Patrick Segers, Pascal R. Verdonck, Kim H. Parker, Spencer J. Sherwin

Journal:

Journal of Biomechanics

Year:

2007

Language:

english

File:

PDF, 509 KB

english, 2007

9

Response

Dr Ashraf W. Khir

Journal:

Artificial Organs

Year:

2008

Language:

english

File:

PDF, 22 KB

english, 2008

10

Virtual Special Issue: Four Decades of Counter-Pulsation Research

Khir, Ashraf W.

Journal:

Artificial Organs

Year:

2013

Language:

english

File:

PDF, 42 KB

english, 2013

11

Pressure-Wave Energy Relationship during IABP Counterpulsation in a Mock Circulation: Changes with Angle and Assisting Frequency

Biglino, Giovanni, Kolyva, Christina, Khir, Ashraf W.

Journal:

The International Journal of Artificial Organs

Year:

2012

Language:

english

File:

PDF, 208 KB

english, 2012

12

Wave intensity analysis in air-filled flexible vessels

Clavica, Francesco, Parker, Kim H., Khir, Ashraf W.

Journal:

Journal of Biomechanics

Year:

2015

Language:

english

File:

PDF, 1.70 MB

english, 2015

13

Low carotid arterial stiffness in young Type1 diabetic patients compared with age-matched controls

Giudici, Alessandro, Palombo, Carlo, Morizzo, Carmela, Kozakova, Michaela, Losso, Lorenzo, Cruickshank, Kennedy J., Khir, Ashraf W.

Journal:

Artery Research

Year:

2018

Language:

english

File:

PDF, 206 KB

english, 2018

14

Left Ventricular Temporary Assistance: By Blood Propelling or Counterpulsating?

Journal:

Artificial Organs

Year:

2011

Language:

english

File:

PDF, 97 KB

english, 2011

15

THE HEMODYNAMIC PERFORMANCE OF THE BCM LVAD: AN IN VITRO INVESTIGATION

Swalen, Marcel J, Segers, Patrick, Verdonck, Pascal, Khir, Ashraf W

Journal:

Year:

2005

Language:

english

File:

PDF, 392 KB

english, 2005

16

Arterial waves in humans during peripheral vascular surgery

KHIR, Ashraf W., HENEIN, Michael Y., KOH, Tat, DAS, Saroj K., PARKER, Kim H., GIBSON, Derek G.

Journal:

Clinical Science

Year:

2001

Language:

english

File:

PDF, 179 KB

english, 2001

17

[ - ()] - Semiautomatic Vendor Independent Software for Assessment of Local Arterial Stiffness

Negoita, Madalina, Abdullateef, Shima, D Hughes, Alun, H Parker, Kim, W Khir, Ashraf

File:

PDF, 375 KB

18

Normal asynchrony of left ventricular long and short axes: Their relationship with aortic hemodynamics

Chloe M.L. Page, Ashraf W. Khir, Alun D. Hughes, Robin Chung, Michael Y. Henein

Journal:

International Journal of Cardiology

Year:

2010

Language:

english

File:

PDF, 477 KB

english, 2010

19

Assessment of cardiac risk before peripheral vascular surgery: a comparison of myocardial perfusion imaging and long axis echocardiography at rest

Michael Y. Henein, Christine O’Sullivan, Saroj K. Das, Ashraf Khir, Constantinos Anagnostopoulos, Richard S. Underwood, Derek G. Gibson

Journal:

International Journal of Cardiology

Year:

2001

Language:

english

File:

PDF, 192 KB

english, 2001

20

Stiffening and ventricular–arterial interaction in the ascending aorta using MRI

Li, Ye, Hickson, Stacey S., McEniery, Carmel M., Wilkinson, Ian B., Khir, Ashraf W.

Journal:

Journal of Hypertension

Year:

2019

Language:

english

File:

PDF, 347 KB

english, 2019

21

Corrigendum to “Assessment of cardiac risk before peripheral vascular surgery: a comparison of myocardial perfusion imaging and long axis echocardiography at rest”: [International Journal of Cardiology 80 (2001) 125–132]

Michael Y Henein, Christine O’Sullivan, Saroj K Das, Ashraf Khir, Constantinos Anagnostopoulos, Richard S Underwood, Derek G Gibson

Journal:

International Journal of Cardiology

Year:

2002

Language:

english

File:

PDF, 29 KB

english, 2002

22

[IEEE 2013 IEEE Regional Symposium on Micro and Nanoelectronics (RSM) - Daerah Langkawi, Malaysia (2013.09.25-2013.09.27)] RSM 2013 IEEE Regional Symposium on Micro and Nanoelectronics - Analytical modeling and simulation of a CMOS-MEMS cantilever based CO2 sensor for medical applications

Mirza, A., Hamid, N. H., Khir, M. H. Md., Dennis, J. O., Ashraf, K., Jan, M. T., Shoaib, M.

Year:

2013

Language:

english

File:

PDF, 353 KB

english, 2013

23

Mechanisms of Aortic Flow Deceleration and the Effect of Wave Reflection on Left Ventricular Function

Park, Chloe M., Hughes, Alun D., Henein, Michael Y., Khir, Ashraf W.

Journal:

Frontiers in Physiology

Year:

2020

File:

PDF, 2.01 MB

2020

24

Experimental validation of non-invasive and fluid density independent methods for the determination of local wave speed and arrival time of reflected wave

Ye Li, Ashraf W. Khir

Journal:

Journal of Biomechanics

Year:

2011

Language:

english

File:

PDF, 479 KB

english, 2011

25

A Mock Circulatory System With Physiological Distribution of Terminal Resistance and Compliance: Application for Testing the Intra-Aortic Balloon Pump

Christina Kolyva, Giovanni Biglino, John R. Pepper, Ashraf W. Khir

Journal:

Artificial Organs

Year:

2012

Language:

english

File:

PDF, 432 KB

english, 2012

26

An Electromagnetic Frequency Increased Vibration Energy Harvester

Ashraf, Khalid, Khir, Mohd Haris Md, Dennis, John Ojur

Journal:

Advanced Materials Research

Year:

2011

Language:

english

File:

PDF, 1011 KB

english, 2011

27

Using wave intensity analysis to determine local reflection coefficient in flexible tubes

Li, Ye, Parker, Kim H., Khir, Ashraf W.

Journal:

Journal of Biomechanics

Year:

2016

Language:

english

File:

PDF, 1.43 MB

english, 2016

28

Pulse wave propagation in a model human arterial network: Assessment of 1-D visco-elastic simulations against in vitro measurements

Jordi Alastruey, Ashraf W. Khir, Koen S. Matthys, Patrick Segers, Spencer J. Sherwin, Pascal R. Verdonck, Kim H. Parker, Joaquim Peiró

Journal:

Journal of Biomechanics

Year:

2011

Language:

english

File:

PDF, 646 KB

english, 2011

29

[IEEE 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) - Milan (2015.8.25-2015.8.29)] 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) - Wave speed and reflections proximal to aneurism and stenosis of flexible tubes

Hacham, Wisam S., Abdulla, Najdat N., Salam Al-Ammri, A., Khir, Ashraf W.

Year:

2015

File:

PDF, 766 KB

2015

30

Validation of ultrasound determination of local Pulse Wave Velocity in the human ascending aorta against MRI measurements

Negoita, Madalina, Manisty, Charlotte, Bhuva, Anish, Hughes, Alun, Parker, Kim, Khir, Ashraf

Journal:

Artery Research

Year:

2018

Language:

english

File:

PDF, 431 KB

english, 2018

31

Experimental evaluation of local wave speed in the presence of reflected waves

Borlotti, Alessandra, Li, Ye, Parker, Kim H., Khir, Ashraf W.

Journal:

Journal of Biomechanics

Year:

2014

Language:

english

File:

PDF, 2.88 MB

english, 2014

32

PRESSURE AND WAVE INTENSITY DISTRIBUTION ALONG THE INTRA-AORTIC BALLOON: AN IN VITRO STUDY

Biglino, Giovanni, Whitehorne, Michael, Pepper, John R, Khir, Ashraf W

Journal:

Year:

2006

Language:

english

File:

PDF, 275 KB

english, 2006

33

Experimental investigation of temperature and relative humidity effects on resonance frequency and quality factor of CMOS-MEMS paddle resonator

Jan, Mohammad Tariq, Ahmad, Farooq, Hamid, Nor Hisham B., Khir, Mohd Haris B. Md, Shoaib, Muhammad, Ashraf, Khalid

Journal:

Microelectronics Reliability

Year:

2016

Language:

english

File:

PDF, 2.04 MB

english, 2016

34

Experimental Devices Versus Hand-Sewn Anastomosis of the Aorta: A Systematic Review and Meta-Analysis

Manolesou, Danae G., Georgiopoulos, George, Lazaris, Andreas M., Schizas, Dimitrios, Stamatelopoulos, Kimon S., Khir, Ashraf W., Liakakos, Theodoros, Papaioannou, Theodore G.

Journal:

Journal of Surgical Research

Year:

2021

File:

PDF, 1.25 MB

2021

35

Physiological fluid mechanics: A special Issue with a taster of forefront research

Khir, Ashraf W, Segers, Patrick

Journal:

Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine

Year:

2020

File:

PDF, 231 KB

2020

36

[IEEE 2013 IEEE Regional Symposium on Micro and Nanoelectronics (RSM) - Daerah Langkawi, Malaysia (2013.09.25-2013.09.27)] RSM 2013 IEEE Regional Symposium on Micro and Nanoelectronics - Frequency dependence of quality factor in vibration energy harvesting

Ashraf, K., Khir, M. H. Md., Dennis, J. O., Baharudin, Z.

Year:

2013

Language:

english

File:

PDF, 410 KB

english, 2013

37

Carotid artery wave intensity analysis in healthy humans during exercise

Pomella, Nicola, Neto, Eurico Wilhelm, Kolyva, Christina, Rakobowchuk, Mark, Gonzalez-Alonso, Jose, Khir, Ashraf William

Journal:

Artery Research

Year:

2015

Language:

english

File:

PDF, 43 KB

english, 2015

38

Impact of varying diastolic pressure fitting technique for the reservoir-wave model on wave intensity analysis

Pomella, Nicola, Rietzschel, Ernst R, Segers, Patrick, Khir, Ashraf William

Journal:

Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine

Year:

2020

File:

PDF, 1.44 MB

2020

39

HEMODYNAMIC PARAMETERS OF THE IABP IN THE ASCENDING AORTA OF A TILTED MOCK CIRCULATION

Swalen, Marcel J, Segers, Patrick, Verdonck, Pascal, Khir, Ashraf W

Journal:

Year:

2005

Language:

english

File:

PDF, 392 KB

english, 2005

40

A method for determining local pulse wave velocity in human ascending aorta from sequential ultrasound measurements of diameter and velocity

Negoita, Madalina, Hughes, Alun D, Parker, Kim H, Khir, Ashraf W

Journal:

Physiological Measurement

Year:

2018

Language:

english

File:

PDF, 1012 KB

english, 2018

41

A wideband, frequency up-converting bounded vibration energy harvester for a low-frequency environment

Ashraf, K, Md Khir, M H, Dennis, J O, Baharudin, Z

Journal:

Smart Materials and Structures

Year:

2013

Language:

english

File:

PDF, 1.42 MB

english, 2013

42

[IEEE 2011 IEEE Regional Symposium on Micro and Nanoelectronics (RSM) - Kota Kinabalu, Sabah, Malaysia (2011.09.28-2011.09.30)] 2011 IEEE Regional Symposium on Micro and Nano Electronics - Design, modeling and simulation of CMOS MEMS cantilever for carbon dioxide gas sensing

Mirza, Asif, Khir, Mohd Haris Md, Dennis, John Ojur, Ashraf, Khalid, Hamid, Nor Hisham

Year:

2011

Language:

english

File:

PDF, 416 KB

english, 2011

43

The Balancing Act of Timing the Intra-Aortic Balloon Pump

Khir, Ashraf W.

Journal:

Artificial Organs

Year:

2013

Language:

english

File:

PDF, 125 KB

english, 2013

44

Aortic root stiffness and mechanical properties of healthy adults

Negoita, Madalina, Hughes, Alun D., Parker, Kim H., Khir, Ashraf W.

Journal:

Artery Research

Year:

2017

Language:

english

File:

PDF, 94 KB

english, 2017

45

IABP Timing and Ventricular Performance - Comparison between a Compliant and a Stiffer Aorta: A Hybrid Model Study Including Baroreflex

Fresiello, Libera, Khir, Ashraf W., Di Molfetta, Arianna, Kozarski, Maciej, Ferrari, Gianfranco

Journal:

The International Journal of Artificial Organs

Year:

2013

Language:

english

File:

PDF, 302 KB

english, 2013

46

Variations in Aortic Pressure Affect the Mechanics of the Intra-Aortic Balloon: An In Vitro Investigation

Giovanni Biglino, Christina Kolyva, Michael Whitehorne, John R. Pepper, Ashraf W. Khir

Journal:

Artificial Organs

Year:

2010

Language:

english

File:

PDF, 337 KB

english, 2010

47

[IEEE 2011 IEEE Regional Symposium on Micro and Nanoelectronics (RSM) - Kota Kinabalu, Sabah, Malaysia (2011.09.28-2011.09.30)] 2011 IEEE Regional Symposium on Micro and Nano Electronics - Analysis of frequency up-conversion based vibration energy harvesting

Ashraf, Khalid, Khir, Mohd Haris Md, Dennis, John Ojur

Year:

2011

Language:

english

File:

PDF, 1.41 MB

english, 2011

48

Erratum: A wideband, frequency up-converting bounded vibration energy harvester for a low frequency environment

Ashraf, K, Md Khir, M H, Dennis, J O, Baharudin, Z

Journal:

Smart Materials and Structures

Year:

2013

Language:

english

File:

PDF, 629 KB

english, 2013

49

Elastic modulus of human aortas as a measure of stiffness

Connolly, Kathleen, Khir, Ashraf, Li, Ye, Yasmin, Yasmin, Wilkinson, Ian

Journal:

Artery Research

Year:

2015

Language:

english

File:

PDF, 43 KB

english, 2015

50

Does Conventional Intra-Aortic Balloon Pump Trigger Timing Produce Optimal Hemodynamic Effects in vivo?

Kolyva, Christina, Pantalos, George M., Pepper, John R., Khir, Ashraf W.

Journal:

The International Journal of Artificial Organs

Year:

2015

Language:

english

File:

PDF, 540 KB

english, 2015

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