Botha, Johannes R.: search on Z-Library

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1

Assessing tobacco use in an African population: Serum and urine cotinine cut-offs from South Africa

Ware, Lisa J., Charlton, Karen, Kruger, Ruan, Breet, Yolandi, van Rooyen, Johannes, Huisman, Hugo, Botha, Shani, Uys, Aletta S., Rennie, Kirsten L., Naidoo, Nirmala, Kowal, Paul, Schutte, Aletta E.

Journal:

Drug and Alcohol Dependence

Year:

2018

Language:

english

File:

PDF, 488 KB

english, 2018

2

Hydrothermal synthesis of ZnO thin films and its electrical characterization

Zelalem N. Urgessa, Oluwatobi S. Oluwafemi, Johannes R. Botha

Journal:

Materials Letters

Year:

2012

Language:

english

File:

PDF, 717 KB

english, 2012

3

Isotope dilution ICP-MS analysis of trace elements in a Syenite rock reference material

Botha, Angelique, Barzev, Alexander I., Fischer, Johann L.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

2007

Language:

english

File:

PDF, 111 KB

english, 2007

4

Quartz crystal microbalance as a device to measure the yield stress of colloidal suspensions

Botha, Johannes A., Ding, Wei, Hunter, Timothy N., Biggs, Simon, Mackay, Graham A., Cowley, Robin, Woodbury, Simon E., Harbottle, David

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2018

Language:

english

File:

PDF, 817 KB

english, 2018

5

Control of pore density on TiO2 nanostructure films: Effect of etchant quantity and anodic voltage

Suliali, Nyasha J., Goosen, William E., Botha, Johannes R.

Journal:

Physica B: Condensed Matter

Year:

2020

Language:

english

File:

PDF, 2.03 MB

english, 2020

6

The anatomy of the subscapularis tendon insertion as applied to rotator cuff repair

Johannes M Boon, Mattys A de Beer, Delene Botha, Nicolaas G.J Maritz, Anna A Fouche

Journal:

Journal of Shoulder and Elbow Surgery

Year:

2004

Language:

english

File:

PDF, 385 KB

english, 2004

7

VeriSM Service Management for the Digital Age

Journal:

Year:

2018

Language:

english

File:

PDF, 360 KB

english, 2018

8

[IEEE 2016 PRASA-RobMech International Conference - Stellenbosch, South Africa (2016.11.30-2016.12.2)] 2016 Pattern Recognition Association of South Africa and Robotics and Mechatronics International Conference (PRASA-RobMech) - Data fusion of radar and stereo vision for detection and tracking of moving objects

Botha, Frik J., van Daalen, Corne E., Treurnicht, Johann

Year:

2016

Language:

english

File:

PDF, 724 KB

english, 2016

9

Growth of ZnS-coated ZnO nanorod arrays on (100) silicon substrate by two-step chemical synthesis

Kumarakuru, Haridas, Urgessa, Zelalem N., Olivier, Ezra J., Botha, Johannes R., Venter, Andre, Neethling, Johannes H.

Journal:

Journal of Alloys and Compounds

Year:

2014

Language:

english

File:

PDF, 2.39 MB

english, 2014

10

Medium Resolution 1 H-NMR at 62 MHz as a New Chemically Sensitive Online Detector for Size-Exclusion Chromatography (SEC-NMR)

Höpfner, Johannes, Ratzsch, Karl-Friedrich, Botha, Carlo, Wilhelm, Manfred

Journal:

Macromolecular Rapid Communications

Year:

2018

Language:

english

File:

PDF, 909 KB

english, 2018

11

Room-temperature photoluminescence of AP-MOVPE grown single GaSb/GaAs quantum dot layer

Tile, Ngcali, Ahia, Chinedu C., Botha, Johannes Reinhardt

Journal:

Journal of Crystal Growth

Year:

2019

Language:

english

File:

PDF, 747 KB

english, 2019

12

Numerical modelling of anodization reaction kinetics for TiO2 nanotubular-film growth in NH4F-based electrolytes

Suliali, Nyasha J., Mbulanga, Crispin M., Goosen, William E., Betz, Richard, Botha, Johannes R.

Journal:

Electrochimica Acta

Year:

2020

Language:

english

File:

PDF, 2.32 MB

english, 2020

13

Effect of InSb deposition time on low-temperature photoluminescence and room temperature Raman of MOVPE grown InSb/GaSb nanostructures

Ahia, Chinedu Christian, Tile, Ngcali, Meyer, Edson L., Botha, Johannes Reinhardt

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2020

File:

PDF, 2.05 MB

2020

14

Additive and multiplicative covariate regression models for relative survival incorporating fractional polynomials for time-dependent effects

Paul C. Lambert, Lucy K. Smith, David R. Jones, Johannes L. Botha

Journal:

Statistics in Medicine

Year:

2005

Language:

english

File:

PDF, 262 KB

english, 2005

15

The Early Bactericidal Activity of Isoniazid Related to Its Dose Size in Pulmonary Tuberculosis

DONALD, PETER R., SIRGEL, FREDERICK A., BOTHA, FREDERICK J., SEIFART, HEINER I., PARKIN, DONALD P., VANDENPLAS, MICHEL L., VAN de WAL, BERNARD W., MARITZ, JOHANNES S., MITCHISON, DENIS A.

Journal:

American Journal of Respiratory and Critical Care Medicine

Year:

1997

Language:

english

File:

PDF, 68 KB

english, 1997

16

Open-circuit voltage recovery in type II GaSb/GaAs quantum ring solar cells under high concentration

Fujita, Hiromi, Carrington, Peter J., Wagener, Magnus C., Botha, Johannes R., Marshall, Andrew R. J., James, Juanita, Krier, Anthony, Lee, Kan-Hua, Ekins-Daukes, Nicholas John

Journal:

Progress in Photovoltaics: Research and Applications

Year:

2015

Language:

english

File:

PDF, 831 KB

english, 2015

17

A30 Norovirus epidemiology and diversity in South Africa, 2009–2016

Mans, Janet, Mabasa, Victor V, Murray, Tanya Y, Nadan, Sandrama, Botha, Johannes C, Page, Nicola A, Taylor, Maureen B

Journal:

Virus Evolution

Year:

2018

Language:

english

File:

PDF, 45 KB

english, 2018

18

Cornell product relates to albuminuria in hypertensive black adults independently of blood pressure: the SABPA study

Schutte, Rudolph, Huisman, Hugo W., Ware, Lisa J., Mels, Catherina M.C., Smith, Wayne, Malan, Nicolaas T., Malan, Leoné, van Rooyen, Johannes M., Fourie, Carla M.T., Kruger, Ruan, Botha, Shani, Schutt

Journal:

Journal of the American Society of Hypertension

Year:

2015

Language:

english

File:

PDF, 312 KB

english, 2015

19

Leap-frog is a robust algorithm for training neural networks

Holm, Johann E W, Botha, Elizabeth C

Journal:

Network Computation in Neural Systems

Year:

1999

Language:

english

File:

PDF, 470 KB

english, 1999

20

Prognostic significance of the neutrophil/lymphocyte ratio in patients undergoing treatment with nivolumab for recurrent non-small-cell lung cancer

LÂ Rapoport, Bernardo, Theron, Annette J, Vorobiof, DanielÂ A, Langenhoven, Lizanne, Hall, Jacqueline M, Van Eeden, Ronwyn I, Smit, Teresa, Chan, Sze-Wai, Botha, Michael C, Raats, Johann I, Necker, Ma

Journal:

Lung Cancer Management

Year:

2020

File:

PDF, 974 KB

2020

21

Patients' help-seeking experiences and delay in cancer presentation: a qualitative synthesis

Lucy K Smith, Catherine Pope, Johannes L Botha

Journal:

Year:

2005

Language:

english

File:

PDF, 91 KB

english, 2005

22

A case study for the provision of measurement traceability and measurement uncertainty for the South African reference materials

Botha, Angelique, Barzev, Alexander I., Linsky, Sophia M., Fischer, Johann L.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

2005

Language:

english

File:

PDF, 540 KB

english, 2005

23

Rapid synthesis of blue emitting ZnO nanoparticles for fluorescent applications

Jule, Leta T., Dejene, Francis B., Roro, Kittessa T., Urgessa, Zelalem N., Botha, Johannes R.

Journal:

Physica B: Condensed Matter

Year:

2016

Language:

english

File:

PDF, 1011 KB

english, 2016

24

Synthesis of Calcium Monouranate Particles via an Aqueous Route

Ding, Weixuan, Botha, Johannes A., Hanson, Bruce C., Burke, Ian T.

Journal:

Year:

2016

Language:

english

File:

PDF, 388 KB

english, 2016

25

Applying genotoxicology tools to identify environmental stressors in support of river management

Oberholster, Paul J., Hill, Liesl, Jappie, Shaamiela, Truter, Johannes C., Botha, Anna-Maria

Journal:

Year:

2016

Language:

english

File:

PDF, 2.04 MB

english, 2016

26

Comparison of structural damage caused by Russian wheat aphid (Diuraphis noxia) and Bird cherry-oat aphid (Rhopalosiphum padi) in a susceptible barley cultivar, Hordeum vulgare cv. Clipper

Sefiu Adekilekun Saheed, Christiaan Edward Johannes Botha, Lin Liu, Lisbeth Jonsson

Journal:

Physiologia Plantarum

Year:

2007

Language:

english

File:

PDF, 345 KB

english, 2007

27

Analysis of sucrose accumulation in the sugar cane culm on the basis of in vitro kinetic data

ROHWER, Johann M., BOTHA, Frederik C.

Journal:

Biochemical Journal

Year:

2001

Language:

english

File:

PDF, 152 KB

english, 2001

28

Type II GaSb/GaAs quantum dot/ring stacks with extended photoresponse for efficient solar cells

Peter James Carrington, Abu Syed Mahajumi, Magnus C. Wagener, Johannes Reinhardt Botha, Qian Zhuang, Anthony Krier

Journal:

Physica B: Condensed Matter

Year:

2012

Language:

english

File:

PDF, 427 KB

english, 2012

29

A kinetic study of sugarcane sucrose synthase

Wolfgang E. Schäfer, Johann M. Rohwer, Frederik C. Botha

Journal:

Year:

2004

Language:

english

File:

PDF, 475 KB

english, 2004

30

Providing more up-to-date estimates of patient survival: a comparison of standard survival analysis with period analysis using life-table methods and proportional hazards models

Lucy K. Smith, Paul C. Lambert, Johannes L. Botha, David R. Jones

Journal:

Journal of Clinical Epidemiology

Year:

2004

Language:

english

File:

PDF, 316 KB

english, 2004

31

OS 34-03 THE ASSOCIATION OF TETRAHYDROBIOPTERIN WITH A MARKER OF NITRIC OXIDE PRODUCTION IN A BLACK AND WHITE POPULATION

Huisman, Hugo, Schutte, Aletta, Van Rooyen, Johannes, Fourie, Carla, Kruger, Ruan, Smith, Wayne, Lammertyn, Leandi, Malan, Leone, Botha, Shani, Mels, Carina

Journal:

Journal of Hypertension

Year:

2016

Language:

english

File:

PDF, 61 KB

english, 2016

32

The Influence of Family Physicians Within the South African District Health System: A Cross-Sectional Study

von Pressentin, Klaus B., Mash, Robert J., Baldwin-Ragaven, Laurel, Botha, Roelf Petrus Gerhardus, Govender, Indiran, Steinberg, Wilhelm Johannes, Esterhuizen, Tonya M.

Journal:

The Annals of Family Medicine

Year:

2018

Language:

english

File:

PDF, 589 KB

english, 2018

33

Dependence of optimum V/III ratio on substrate orientation, and influence of buffer layer on MOVPE grown InSb/GaSb quantum dots

Christian Ahia, Chinedu, Tile, Ngcali, Reinhardt Botha, Johannes

Journal:

Journal of Crystal Growth

Year:

2018

Language:

english

File:

PDF, 2.11 MB

english, 2018

34

Draft Genome Sequence of the Lignocellulose-Degrading Ascomycete Coniochaeta p ulveracea CAB 683

Borstlap, Cornelius Johannes, de Witt, Riaan Neethling, Botha, Alfred, Volschenk, Heinrich, Rokas, Antonis

Journal:

Microbiology Resource Announcements

Year:

2019

File:

PDF, 160 KB

2019

35

Cardiometabolic Changes in Treated Versus Never Treated HIV-Infected Black South Africans: The PURE Study

Botha, Shani, Fourie, Carla M.T., van Rooyen, Johannes M., Kruger, Annamarie, Schutte, Aletta E.

Journal:

Heart Lung & Circulation

Year:

2014

Language:

english

File:

PDF, 414 KB

english, 2014

36

Carrier extraction behaviour in type II GaSb/GaAs quantum ring solar cells

Fujita, Hiromi, James, Juanita, Carrington, Peter J, Marshall, Andrew R J, Krier, Anthony, Wagener, Magnus C, Botha, Johannes R

Journal:

Semiconductor Science and Technology

Year:

2014

Language:

english

File:

PDF, 469 KB

english, 2014

37

Effect of Water Stress on the Carbohydrate Metabolism of Citrullus lanatus Seeds during Germination

Frederik C. Botha and Johannes G. C. Small

Journal:

PLANT PHYSIOLOGY

Year:

1985

Language:

english

File:

PDF, 722 KB

english, 1985

38

An In Vitro and In Vivo Assessment of Endocrine Disruptive Activity in a Major South African River

Truter, Johannes C., van Wyk, Johannes H., Oberholster, Paul J., Botha, Anna-Maria, de Klerk, Arno R.

Journal:

Water, Air & Soil Pollution

Year:

2016

Language:

english

File:

PDF, 1.19 MB

english, 2016

39

Atmospheric pressure-MOVPE growth of GaSb/GaAs quantum dots

Tile, Ngcali, Ahia, Chinedu C., Olivier, Jaco, Botha, Johannes Reinhardt

Journal:

Physica B: Condensed Matter

Year:

2017

Language:

english

File:

PDF, 613 KB

english, 2017

40

Gastric Inhibitory Polypeptide in Acquired Pancreatic Diabetes: Effects of Insulin Treatment*

BOTHA, JOHANNES L., VINIK, AARON I., CHILD, PATRICIA T.

Journal:

Journal of Clinical Endocrinology & Metabolism

Year:

1978

Language:

english

File:

PDF, 803 KB

english, 1978

41

An evaluation of the endocrine disruptive potential of crude oil water accommodated fractions and crude oil contaminated surface water to freshwater organisms using in vitro and in vivo approaches

Truter, J. Christoff, van Wyk, Johannes H., Oberholster, Paul J., Botha, Anna-Maria, Mokwena, Lucky M.

Journal:

Environmental Toxicology and Chemistry

Year:

2017

Language:

english

File:

PDF, 1.74 MB

english, 2017

42

Protein-level expression and localization of sucrose synthase in the sugarcane culm

Wolfgang E. Schäfer, Johann M. Rohwer, Frederik C. Botha

Journal:

Physiologia Plantarum

Year:

2004

Language:

english

File:

PDF, 4.58 MB

english, 2004

43

Critical V/III dependence of formation of high density GaSb/GaAs quantum dots grown by AP-MOVPE

Tile, Ngcali, Ahia, Chinedu C., Botha, Johannes R.

Journal:

Journal of Crystal Growth

Year:

2018

Language:

english

File:

PDF, 1.40 MB

english, 2018

44

Long wavelength stacking induced shift of the near-infrared photoluminescence from unintentional MOVPE grown InGaSb/GaSb quantum wells

Ahia, Chinedu Christian, Tile, Ngcali, Navarro, Amalia, Blanco, Beatriz Galiana, Botha, Johannes Reinhardt

Journal:

Year:

2018

Language:

english

File:

PDF, 7.38 MB

english, 2018

45

Effect of soil bradyrhizobia on the success of soybean inoculant strain CB 1809

Wilhelm J Botha, Julian B Jaftha, Jacomina F Bloem, Johannes H Habig, Ian J Law

Journal:

Microbiological Research

Year:

2004

Language:

english

File:

PDF, 332 KB

english, 2004

46

Optical and electrical properties of NiO for possible dielectric applications

Venter, Andre, Botha, Johannes R.

Journal:

South African Journal of Science

Year:

2011

Language:

english

File:

PDF, 4.93 MB

english, 2011

47

The impacts of neutralized acid mine drainage contaminated water on the expression of selected endocrine-linked genes in juvenile Mozambique tilapia Oreochromis mossambicus exposed in vivo

Truter, Johannes Christoff, Wyk, Johannes Hendrik van, Oberholster, Paul Johan, Botha, Anna-Maria

Journal:

Ecotoxicology and Environmental Safety

Year:

2014

Language:

english

File:

PDF, 1.75 MB

english, 2014

48

The perceived impact of family physicians on the district health system in South Africa: a cross-sectional survey

von Pressentin, Klaus B., Mash, Robert J., Baldwin-Ragaven, Laurel, Botha, Roelf Petrus Gerhardus, Govender, Indiran, Steinberg, Wilhelm Johannes, Esterhuizen, Tonya M.

Journal:

BMC Family Practice

Year:

2018

Language:

english

File:

PDF, 581 KB

english, 2018

49

Do MRI features at baseline predict radiographic joint space narrowing in the medial compartment of the osteoarthritic knee 2

Ruby Madan-Sharma, Margreet Kloppenburg, Peter R. Kornaat, Stella A. Botha-Scheepers, Marie-Pierre Hellio Le Graverand, Johannes L. Bloem, Iain Watt

Journal:

Skeletal Radiology

Year:

2008

Language:

english

File:

PDF, 213 KB

english, 2008

50

Renin at different physical activity levels in a bi-ethnic population: The African-PREDICT study

van Rooyen, Johannes, Huisman, Hugo, Malan, Leonè, Mels, Catharina, Kruger, Ruan, Gafane-Matemane, Lebo, Botha, Shani, Schutte, Alta

Journal:

Artery Research

Year:

2017

Language:

english

File:

PDF, 49 KB

english, 2017

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