J.A. Orwa: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Transformational leadership, organizational commitment, and job satisfaction: A comparative study of Kenyan and U.S. financial firms

Fred O. Walumbwa, Bani Orwa, Peng Wang, John J. Lawler

Journal:

Human Resource Development Quarterly

Year:

2005

Language:

english

File:

PDF, 147 KB

english, 2005

2

Contingent reward transactional leadership, work attitudes, and organizational citizenship behavior: The role of procedural justice climate perceptions and strength

Fred O. Walumbwa, Cindy Wu, Bani Orwa

Journal:

The Leadership Quarterly

Year:

2008

Language:

english

File:

PDF, 373 KB

english, 2008

3

Handling practices and microbial contamination sources of raw milk in rural and peri urban small holder farms in Nakuru County, Kenya

Orwa, J. D., Matofari, J. W., Muliro, P. S.

Journal:

International Journal of Livestock Production

Year:

2017

Language:

english

File:

PDF, 296 KB

english, 2017

4

Diamond nanocrystals formed by direct implantation of fused silica with carbon

Orwa, J. O., Prawer, S., Jamieson, D. N., Peng, J. L., McCallum, J. C., Nugent, K. W., Li, Y. J., Bursill, L. A., Withrow, S. P.

Journal:

Journal of Applied Physics

Year:

2001

Language:

english

File:

PDF, 772 KB

english, 2001

5

The digital matatu project: Using cell phones to create an open source data for Nairobi's semi-formal bus system

Williams, Sarah, White, Adam, Waiganjo, Peter, Orwa, Daniel, Klopp, Jacqueline

Journal:

Journal of Transport Geography

Year:

2015

Language:

english

File:

PDF, 5.29 MB

english, 2015

6

The Influence of Maternal Parenting Style on the Neural Correlates of Emotion Processing in Children

Pozzi, Elena, Simmons, Julian G., Bousman, Chad A., Vijayakumar, Nandita, Bray, Katherine O., Dandash, Orwa, Richmond, Sally, Schwartz, Orli, Seal, Marc, Sheeber, Lisa, Yap, Marie B.H., Allen, Nichola

Journal:

Journal of the American Academy of Child & Adolescent Psychiatry

Year:

2019

File:

PDF, 670 KB

2019

7

The Raman spectrum of nanocrystalline diamond

S Prawer, K.W Nugent, D.N Jamieson, J.O Orwa, L.A Bursill, J.L Peng

Journal:

Chemical Physics Letters

Year:

2000

Language:

english

File:

PDF, 136 KB

english, 2000

8

Development and validation of a liquid chromatography method for analysis of colistin sulphate

J. A. Orwa, A. Van Gerven, E. Roets, J. Hoogmartens

Journal:

Chromatographia

Year:

2000

Language:

english

File:

PDF, 401 KB

english, 2000

9

A near edge X-ray absorption fine structure study of oxidized single crystal and polycrystalline diamond surfaces

Shpilman, Z., Gouzman, I., Minton, T.K., Shen, L., Stacey, A., Orwa, J., Prawer, S., Cowie, B.C.C., Hoffman, A.

Journal:

Diamond and Related Materials

Year:

2014

Language:

english

File:

PDF, 942 KB

english, 2014

10

The U.S.–Africa Command and Pan-African Resistance

Otieno, Orwa Michael

Journal:

Year:

2010

Language:

english

File:

PDF, 82 KB

english, 2010

11

Application of optimal control to the onchocerciasis transmission model with treatment

Omondi, Evans Otieno, Orwa, Titus Okello, Nyabadza, Farai

Journal:

Mathematical Biosciences

Year:

2018

Language:

english

File:

PDF, 1.00 MB

english, 2018

12

Identity, values and norms of East Africa’s youth

Awiti, Alex O., Orwa, Caleb

Journal:

International Journal of Adolescence and Youth

Year:

2018

Language:

english

File:

PDF, 1.95 MB

english, 2018

13

Mathematical modelling and analysis of alcohol-methamphetamine co-abuse in the Western Cape Province of South Africa

Orwa, T. O., Nyabadza, F., Conejero, J. Alberto

Journal:

Cogent Mathematics & Statistics

Year:

2019

Language:

english

File:

PDF, 2.32 MB

english, 2019

14

Structure elucidation of four related substances in gramicidin with liquid chromatography/mass spectrometry

Cindy Govaerts, Jennifer Orwa, Ann Van Schepdael, Eugène Roets, Jos Hoogmartens

Journal:

Rapid Communications in Mass Spectrometry

Year:

2001

Language:

english

File:

PDF, 157 KB

english, 2001

15

Liquid chromatography of polymyxin B sulphate

J.A. Orwa, A. Van Gerven, E. Roets, J. Hoogmartens

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 176 KB

english, 2000

16

Tree species selection for land rehabilitation in Ethiopia: from fragmented knowledge to an integrated multi-criteria decision approach

Bert Reubens, Clara Moeremans, Jean Poesen, Jan Nyssen, Sarah Tewoldeberhan, Steve Franzel, Jozef Deckers, Caleb Orwa, Bart Muys

Journal:

Agroforestry Systems

Year:

2011

Language:

english

File:

PDF, 738 KB

english, 2011

17

Thermally induced sp2 clustering in tetrahedral amorphous carbon (ta-C) films

Orwa, J. O., Andrienko, I., Peng, J. L., Prawer, S., Zhang, Y. B., Lau, S. P.

Journal:

Journal of Applied Physics

Year:

2004

Language:

english

File:

PDF, 2.17 MB

english, 2004

18

Raman investigation of damage caused by deep ion implantation in diamond

Orwa, J., Nugent, K., Jamieson, D., Prawer, S.

Journal:

Physical Review B

Year:

2000

Language:

english

File:

PDF, 194 KB

english, 2000

19

What is the relevance of smallholders’ agroforestry systems for conserving tropical tree species and genetic diversity in circa situm, in situ and ex situ settings? A review

Dawson, Ian K., Guariguata, Manuel R., Loo, Judy, Weber, John C., Lengkeek, Ard, Bush, David, Cornelius, Jonathan, Guarino, Luigi, Kindt, Roeland, Orwa, Calleb, Russell, Joanne, Jamnadass, Ramni

Journal:

Biodiversity and Conservation

Year:

2013

Language:

english

File:

PDF, 327 KB

english, 2013

20

Assessment of water quality, macroinvertebrate biomass and primary productivity of small water bodies for increased fish production in the Lake Victoria basin, Kenya

Ngodhe, Steve O., Raburu, Phillip O., Kasisi, Geraldine M., Orwa, Patrick O.

Journal:

Lakes & Reservoirs: Research & Management

Year:

2013

Language:

english

File:

PDF, 196 KB

english, 2013

21

An upper limit on the lateral vacancy diffusion length in diamond

Orwa, J.O., Ganesan, K., Newnham, J., Santori, C., Barclay, P., Fu, K.M.C., Beausoleil, R.G., Aharonovich, I., Fairchild, B.A., Olivero, P., Greentree, A.D., Prawer, S.

Journal:

Diamond and Related Materials

Year:

2012

Language:

english

File:

PDF, 638 KB

english, 2012

22

Antimalarial and safety evaluation of extracts from Toddalia asiatica (L) Lam. (Rutaceae)

Orwa, J.A., Ngeny, L., Mwikwabe, N.M., Ondicho, J., Jondiko, I.J.O.

Journal:

Journal of Ethnopharmacology

Year:

2013

Language:

english

File:

PDF, 147 KB

english, 2013

23

Modification of characteristics of diamond-like carbon thin films by low chromium content addition

Pardo, A., Gómez-Aleixandre, C., Orwa, J.O., Cimmino, A., Prawer, S.

Journal:

Diamond and Related Materials

Year:

2012

Language:

english

File:

PDF, 780 KB

english, 2012

24

Diamond-like carbon nanocrystals formed by implanting fused quartz and sapphire (α-Al2O3) with carbon ions

Orwa, J.O., McCallum, J.C., Prawer, S., Nugent, K.W., Jamieson, D.N.

Journal:

Diamond and Related Materials

Year:

1999

Language:

english

File:

PDF, 262 KB

english, 1999

25

Nickel related optical centres in diamond created by ion implantation

Orwa, J. O., Aharonovich, I., Jelezko, F., Balasubramanian, G., Balog, P., Markham, M., Twitchen, D. J., Greentree, A. D., Prawer, S.

Journal:

Journal of Applied Physics

Year:

2010

Language:

english

File:

PDF, 630 KB

english, 2010

26

Antiplasmodial and cytotoxic activities of the constituents of Turraea robusta and Turraea nilotica

Irungu, Beatrice N., Adipo, Nicholas, Orwa, Jennifer A., Kimani, Francis, Heydenreich, Matthias, Midiwo, Jacob O., Martin Björemark, Per, Håkansson, Mikael, Yenesew, Abiy, Erdélyi, Máté

Journal:

Journal of Ethnopharmacology

Year:

2015

Language:

english

File:

PDF, 471 KB

english, 2015

27

A comparative study between a virtual reality heart anatomy system and traditional medical teaching modalities

Alfalah, Salsabeel F. M., Falah, Jannat F. M., Alfalah, Tasneem, Elfalah, Mutasem, Muhaidat, Nadia, Falah, Orwa

Journal:

Virtual Reality

Year:

2018

Language:

english

File:

PDF, 844 KB

english, 2018

28

Application of psychosocial models to Home-Based Testing and Counseling (HBTC) for increased uptake and household coverage in a large informal urban settlement in Kenya

Oluoch, Patricia, Orwa, James, Lugalia, Fillet, Mutinda, David, Gichangi, Anthony, Oundo, Joseph, Karama, Mohamed, Nganga, Zipporah, Galbraith, Jennifer

Journal:

Pan African Medical Journal

Year:

2017

Language:

english

File:

PDF, 492 KB

english, 2017

29

Isolation of haloalkaliphilic fungi from Lake Magadi in Kenya

Orwa, Philemon, Mugambi, George, Wekesa, Vitalis, Mwirichia, Romano

Journal:

Year:

2020

Language:

english

File:

PDF, 1.91 MB

english, 2020

30

Analysis of colistin sulfate by capillary zone electrophoresis with cyclodextrins as additive

Jing-wu Kang, Tine Vankeirsbilck, Ann Van Schepdael, Jennifer Orwa, Eugene Roets, Jos Hoogmartens

Journal:

ELECTROPHORESIS

Year:

2000

Language:

english

File:

PDF, 225 KB

english, 2000

31

Diamond in Tellurite Glass: a New Medium for Quantum Information

M. R. Henderson, B. C. Gibson, H. Ebendorff-Heidepriem, K. Kuan, S. Afshar V., J. O. Orwa, I. Aharonovich, S. Tomljenovic-Hanic, A. D. Greentree, S. Prawer, T. M. Monro

Journal:

Advanced Materials

Year:

2011

Language:

english

File:

PDF, 790 KB

english, 2011

32

Hybrid Materials: Diamond in Tellurite Glass: a New Medium for Quantum Information (Adv. Mater. 25/2011)

M. R. Henderson, B. C. Gibson, H. Ebendorff-Heidepriem, K. Kuan, S. Afshar V., J. O. Orwa, I. Aharonovich, S. Tomljenovic-Hanic, A. D. Greentree, S. Prawer, T. M. Monro

Journal:

Advanced Materials

Year:

2011

File:

PDF, 2.53 MB

2011

33

Raman spectroscopy applied to early (ca. 1746–1754) English steatitic porcelains: a tentative study of compositions

W. H. Jay, J. O. Orwa

Journal:

Journal of Raman Spectroscopy

Year:

2012

Language:

english

File:

PDF, 277 KB

english, 2012

34

Identification of the point defects in diamond as measured by Raman spectroscopy: comparison between experiment and computation

S. Prawer, Irina Rosenblum, J.O. Orwa, Joan Adler

Journal:

Chemical Physics Letters

Year:

2004

Language:

english

File:

PDF, 212 KB

english, 2004

35

Fabrication of single optical centres in diamond—a review

J.O. Orwa, A.D. Greentree, I. Aharonovich, A.D.C. Alves, J. Van Donkelaar, A. Stacey, S. Prawer

Journal:

Journal of Luminescence

Year:

2010

Language:

english

File:

PDF, 1.08 MB

english, 2010

36

De-agglomeration of hydrophobic and hydrophilic silica nano-powders in a high shear mixer

P. Ding, M.G. Orwa, A.W. Pacek

Journal:

Powder Technology

Year:

2009

Language:

english

File:

PDF, 753 KB

english, 2009

37

Analysis of polymyxin B sulfate by capillary zone electrophoresis with cyclodextrin as additive: Method development and validation

J.W Kang, A Van Schepdael, J.A Orwa, E Roets, J Hoogmartens

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 539 KB

english, 2000

38

Isolation and structural characterization of polymyxin B components

J.A. Orwa, C. Govaerts, R. Busson, E. Roets, A. Van Schepdael, J. Hoogmartens

Journal:

Journal of Chromatography A

Year:

2001

Language:

english

File:

PDF, 101 KB

english, 2001

39

Liquid chromatography–ion trap tandem mass spectrometry for the characterization of polypeptide antibiotics of the colistin series in commercial samples

Cindy Govaerts, Jennifer Orwa, Ann Van Schepdael, Eugène Roets, Jos Hoogmartens

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 1.19 MB

english, 2002

40

Erratum to “Liquid chromatography method for separation of clindamycin from related substances”: [Journal of Pharmaceutical and Biomedical Analysis 20 (1999) 745–752]

J.A Orwa, K Vandenbempt, S Depuydt, E Roets, J Hoogmartens

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2000

Language:

english

File:

PDF, 39 KB

english, 2000

41

Study of the stability of polymyxins B1, E1 and E2 in aqueous solution using liquid chromatography and mass spectrometry

J.A Orwa, C Govaerts, K Gevers, E Roets, A Van Schepdael, J Hoogmartens

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2002

Language:

english

File:

PDF, 175 KB

english, 2002

42

Liquid chromatography method for separation of clindamycin from related substances

J.A. Orwa, K. Vandenbempt, S. Depuydt, E. Roets, J. Hoogmartens

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1999

Language:

english

File:

PDF, 152 KB

english, 1999

43

Characterization of Polypeptide Antibiotics of the Polymyxin Series by Liquid Chromatography Electrospray Ionization Ion Trap Tandem Mass Spectrometry

Cindy Govaerts, Jennifer Orwa, Ann Van Schepdael, Eugène Roets, Jos Hoogmartens

Journal:

Journal of Peptide Science

Year:

2002

Language:

english

File:

PDF, 196 KB

english, 2002

44

Lattice location of nickel in diamond by RBS channelling and PIXE

Virginia S. Drumm, Andrew D. C. Alves, Julius O. Orwa, David N. Jamieson, Jeffrey C. McCallum, Steven Prawer, Chris C. G. Ryan

Journal:

physica status solidi (a)

Year:

2011

Language:

english

File:

PDF, 392 KB

english, 2011

45

Sequencing of bacitracin A and related minor components by liquid chromatography/electrospray ionization ion trap tandem mass spectrometry

Cindy Govaerts, Chunlan Li, Jennifer Orwa, Ann Van Schepdael, Erwin Adams, Eugène Roets, Jos Hoogmartens

Journal:

Rapid Communications in Mass Spectrometry

Year:

2003

Language:

english

File:

PDF, 279 KB

english, 2003

46

Mass spectrometric fragmentation of cyclic peptides belonging to the polymyxin and colistin antibiotics studied by ion trap and quadrupole/orthogonal-acceleration time-of-flight technology

Cindy Govaerts, Jef Rozenski, Jennifer Orwa, Eugène Roets, Ann Van Schepdael, Jos Hoogmartens

Journal:

Rapid Communications in Mass Spectrometry

Year:

2002

Language:

english

File:

PDF, 235 KB

english, 2002

47

Liquid chromatography of gramicidin

J. A. Orwa, C. Govaerts, E. Roets, A. Van Schepdael, J. Hoogmartens

Journal:

Chromatographia

Year:

2001

Language:

english

File:

PDF, 506 KB

english, 2001

48

Liquid chromatographic method for separation of lincomycin from its related substances

J.A Orwa, F Bosmans, S Depuydt, E Roets, J Hoogmartens

Journal:

Journal of Chromatography A

Year:

1998

Language:

english

File:

PDF, 121 KB

english, 1998

49

Calcineurin is required for Leishmania major stress response pathways and for virulence in the mammalian host

Thomas Naderer, Orwa Dandash, Malcolm J. McConville

Journal:

Molecular Microbiology

Year:

2011

Language:

english

File:

PDF, 503 KB

english, 2011

50

The Efficacy of a Cream Formulation From a Kenyan Medicinal Plant for Primary and Latent HSV Infection in Guinea Pigs

Festus M. Tolo, Geoffrey M. Rukunga, John M. Ochora, Charles N. Muthaura, Cicilia W. Kimani, Jeniffer Orwa, Geoffrey M. Mungai

Journal:

Free Radical Biology and Medicine

Year:

2010

Language:

english

File:

PDF, 164 KB

english, 2010

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски