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Browsing by Subject "Femtosecond laser pulses"

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Comparative study of the dissociative ionization of 1,1,1-trichloroethane using nanosecond and femtosecond laser pulses

Author: Du Plessis, A ; Strydom, C ; Botha, L Date: Mar 2010 Changes in the laser induced molecular dissociation of 1,1,1-trichloroethane (TCE) were studied using a range of intensities and standard laser wavelengths with nanosecond and femtosecond pulse durations. TCE contains C-H, C-C and C-Cl bonds ... Read more
Femtosecond laser pulses for chemical-free embryonic and mesenchymal stem cell differentiation

Author: Mthunzi-Kufa, Patience ; Dholakia, K ; Gunn-Moore, F Date: Aug 2011 Owing to their self renewal and pluripotency properties, stem cells can efficiently advance current therapies in tissue regeneration and/or engineering. Under appropriate culture conditions in vitro, pluripotent stem cells can be primed to ... Read more
In-vitro photo-translocation of antiretroviral drug delivery into TZMbl cells

Author: Malabi, Rudzani ; Manoto, Sello L ; Maaza, M ; Mthunzi-Kufa, Patience ; Ombinda-Lemboumba, Saturnin Date: Jan 2017 The objectives of this study are to use femtosecond laser pulses in a photo-translocation system to deliver ARVs into HIV infected TZMbl cells, and to investigate the influence of ARVs and laser on cellular processes using different molecular ... Read more
Influence of amplification on pulse shaping for coherent control applications

Author: Du Plessis, A ; Botha, GN ; Botha, LR Date: Jul 2011 Results from experiments aimed at bimolecular chemical reaction control of CO and H2 at room temperature and pressure, without any catalyst, using shaped femtosecond laser pulses are presented. A stable reaction product (CO2) was measured ... Read more
Laser-enhanced drug delivery of antiretroviral drugs into human immunodeficiency virus-1 infected TZMbl cells

Author: Malabi, Rudzani ; Manoto, Sello L ; Ombinda-Lemboumba, Saturnin ; Maaza, Malik ; Mthunzi-Kufa, Patience Date: May 2019 The introduction of highly active antiretroviral therapy (HAART) has significantly increased life expectancy and improved management of the human immunodeficiency virus-1 (HIV-1) disease globally. This well-established treatment regime has ... Read more
Optical sorting and photo-transfection of mammalian cells

Author: Mthunzi-Kufa, Patience Date: Feb 2010 Recently, laser light sources of different regimes have emerged as an essential tool in the biophotonics research area. Classic applications include, for example: manipulating single cells and their subcellular organelles, sorting cells in ... Read more
Photo-transfection of mammalian cells via femtosecond laser pulses

Author: Mthunzi-Kufa, Patience ; Gunn-Moore, FJ ; Dholakia, K Date: Jun 2009 Various methods including chemical, viral or physical approaches have been developed to trigger transient membrane permeabilisation with limited cytotocixity in cells. Such developments permit efficient cytoplasmic delivery of genes, ... Read more
Selective Deactivation of M13 Bacteriophage in E. Coli using Femtosecond Laser Pulses

Author: Molukanele, P ; Du Plessis, A ; Roberts, T ; Botha, L ; Khati, M ; Campos, W Date: Sep 2010 Potential for the selective deactivation of viruses while leaving the sensitive material such as the host cell unharmed was studied using a femtosecond laser system, and preliminary results are reported. Read more
Selective deactivation of M13 bacteriophage in E. Coli using femtosecond laser pulses

Author: Molukanele, P ; Du Plessis, A ; Roberts, T ; Botha, L ; Khati, M ; Campos, W Date: Sep 2011 Potential for the selective deactivation of viruses while leaving the sensitive material such as the host cell unharmed was studied using a femtosecond laser system, and preliminary results are reported. Read more
Selective deactivation of viruses using femtosecond laser pulses

Author: Molukanele, P ; Du Plessis, A ; Roberts, T ; Botha, L ; Khati, M ; Campos, W ; Rotherham, L Date: 01 Sep 2010 Viruses can be described as acellular organisms whose genome consists of nucleic acid that replicate inside living cells (host cells) using their cellular synthetic machinery, and cause the synthesis of specialised elements called virions, ... Read more
Therapeutic strategies to fight HIV-1 latency: progress and challenges

Author: Manoto, Sello L ; Thobakgale, Setumo L ; Malabi, Khorommbi P ; Maphanga, Charles P ; Ombinda-Lemboumba, Saturnin ; Mthunzi-Kufa, Patience Date: Oct 2017 The life-long persistence of human immunodeficiency virus type-1 (HIV-1) in latent reservoirs is a major hurdle in the eradication of HIV-1, even though highly active antiretroviral therapy (HAART) can be effective in reducing the plasma HIV-1 ... Read more

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Browsing by Subject "Femtosecond laser pulses"

Browsing by Subject "Femtosecond laser pulses"

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