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121
coursework.lyx
121
coursework.lyx
@ -143,11 +143,11 @@ f=\frac{c}{\lambda}
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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Therefore in order to find the
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Therefore in order to find the energy,
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\begin_inset Formula $E$
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\begin_inset Formula $E$
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\end_inset
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\end_inset
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in terms of wavelength
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, in terms of wavelength
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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@ -183,7 +183,7 @@ This energy value will be the same as the total interband transition for
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\begin_layout Standard
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\begin_layout Standard
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\begin_inset Formula
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\begin_inset Formula
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\begin{equation}
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\begin{equation}
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E_{g,transition}=E_{1h}+E_{g}+E_{1e}\thickapprox0.800\unit{eV}\label{eq:Energy-Gap-Sum}
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E_{g,transition}=E_{1h}+E_{g,bulk}+E_{1e}\thickapprox0.800\unit{eV}\label{eq:Energy-Gap-Sum}
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\end{equation}
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\end{equation}
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\end_inset
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\end_inset
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@ -522,8 +522,8 @@ Applying this to the prospective well material gives the following,
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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This shows that to 4 significant figures the composition of InGaAs is lattice
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This shows that this combination of InGaAs is lattice matched to InP to
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matched to InP to within 0.001Å which is sufficient for this application.
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within 0.001Å, a sufficient offset for this application.
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\end_layout
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\end_layout
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\begin_layout Subsection
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\begin_layout Subsection
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@ -755,7 +755,7 @@ Having found two materials that are lattice matched with a suitable band
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\emph on
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\emph on
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\begin_inset Formula
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\begin_inset Formula
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\begin{equation}
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\begin{equation}
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E_{n}=\frac{n^{2}\pi^{2}\mathcal{\text{\emph{ħ}}}^{2}}{2mL^{2}}\label{eq:Energy-levels}
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E_{n}=\frac{n^{2}\pi^{2}\mathcal{\text{ħ}}^{2}}{2mL^{2}}\label{eq:Energy-levels}
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\end{equation}
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\end{equation}
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\end_inset
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\end_inset
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@ -791,7 +791,7 @@ noprefix "false"
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\begin_layout Standard
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\begin_layout Standard
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\begin_inset Formula
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\begin_inset Formula
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\[
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\[
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E_{g,transition}=0.8\unit{eV}=E_{1h}+E_{g,InGaAs}+E_{1e}=\frac{1^{2}\pi^{2}\text{\emph{ħ}}^{2}}{2m_{h}^{*}L^{2}}+E_{g,InGaAs}+\frac{1^{2}\pi^{2}\text{\emph{ħ}}^{2}}{2m_{e}^{*}L^{2}}
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E_{g,transition}=E_{1h}+E_{g,InGaAs}+E_{1e}=\frac{1^{2}\pi^{2}\text{\emph{ħ}}^{2}}{2m_{h}^{*}L^{2}}+E_{g,InGaAs}+\frac{1^{2}\pi^{2}\text{\emph{ħ}}^{2}}{2m_{e}^{*}L^{2}}=0.8\unit{eV}
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\]
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\]
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\end_inset
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\end_inset
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@ -1095,7 +1095,7 @@ For confined electron states:
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\emph on
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\emph on
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\begin_inset Formula
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\begin_inset Formula
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\[
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\[
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E_{1e}=\frac{1^{2}\pi^{2}\text{\emph{ħ}}^{2}}{2\cdotp m_{e}^{*}\cdotp\left(14.87\unit{nm}\right)^{2}}
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E_{1e}=\frac{1^{2}\pi^{2}\text{ħ}^{2}}{2\cdotp m_{e}^{*}\cdotp\left(14.87\unit{nm}\right)^{2}}
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\]
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\]
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\end_inset
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\end_inset
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@ -1159,7 +1159,7 @@ For confined hole states:
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\emph on
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\emph on
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\begin_inset Formula
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\begin_inset Formula
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\[
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\[
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E_{1h}=\frac{1^{2}\pi^{2}\text{\emph{ħ}}^{2}}{2\cdotp m_{h}^{*}\cdotp\left(14.87\unit{nm}\right)^{2}}
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E_{1h}=\frac{1^{2}\pi^{2}\text{ħ}^{2}}{2\cdotp m_{h}^{*}\cdotp\left(14.87\unit{nm}\right)^{2}}
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\]
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\]
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\end_inset
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\end_inset
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@ -1241,7 +1241,8 @@ status open
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\begin_inset Caption Standard
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\begin_inset Caption Standard
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\begin_layout Plain Layout
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\begin_layout Plain Layout
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InP/InGaAs/InP quantum well design
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InP/InGaAs/InP quantum well design, relative confined energy level heights
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are not to scale
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\begin_inset CommandInset label
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\begin_inset CommandInset label
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LatexCommand label
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LatexCommand label
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name "fig:quantum-well-design"
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name "fig:quantum-well-design"
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@ -1310,7 +1311,7 @@ Here
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\begin_layout Standard
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\begin_layout Standard
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\begin_inset Formula
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\begin_inset Formula
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\[
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\[
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\int_{{\textstyle all\:space}}\psi^{*}\psi dV=1
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\int_{{\textstyle all\;space}}\psi^{*}\psi dV=1
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\]
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\]
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\end_inset
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\end_inset
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@ -1340,7 +1341,7 @@ in this case providing the wave function
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\begin_layout Standard
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\begin_layout Standard
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Importantly, the above conditions are for an infinite quantum well where
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Importantly, the above conditions are for an infinite quantum well where
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an assumption is made that the well has a barrier region of infinite potential
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an assumption is made that the well has a barrier region of infinite potential
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such that the wavefunction is confined to the well.
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such that the wavefunction is confined within the well.
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A real quantum well is unable to satisfy this leading to the wavefunction
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A real quantum well is unable to satisfy this leading to the wavefunction
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\begin_inset Quotes eld
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\begin_inset Quotes eld
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@ -1750,13 +1751,13 @@ Conclusions
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Considering these two probabilities it is clear that it is more likely for
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Considering these two probabilities it is clear that it is more likely for
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the electron to be found between 6nm and 8nm than between 2nm and 4nm across
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the electron to be found between 6nm and 8nm than between 2nm and 4nm across
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the well.
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the well.
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This is as expected considering 6nm to 8nm places the interval towards
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This would be expected considering 6nm to 8nm places the interval towards
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the center of the 14.87nm well.
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the center of the 14.87nm long well.
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As the probability density function is a
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As the probability density function is a
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\begin_inset Formula $\sin^{2}$
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\begin_inset Formula $\sin^{2}$
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\end_inset
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\end_inset
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function, the maxium area will be towards the center.
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function, the majority of the area will be towards the center.
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Referring to figure
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Referring to figure
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\begin_inset CommandInset ref
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\begin_inset CommandInset ref
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LatexCommand ref
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LatexCommand ref
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@ -1795,8 +1796,8 @@ Paclitaxel
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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Paclitaxel is a chemotherapy drug in the taxane family which function as
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Paclitaxel is a chemotherapy drug in the taxane family which together function
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mitotic inhibitors.
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as mitotic inhibitors.
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This involves the suppression of mitosis or cell division by preventing
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This involves the suppression of mitosis or cell division by preventing
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the breakdown of the microtubules helping provide structure to cells.
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the breakdown of the microtubules helping provide structure to cells.
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@ -1805,14 +1806,14 @@ Paclitaxel is a chemotherapy drug in the taxane family which function as
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\begin_layout Standard
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\begin_layout Standard
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This is effective in treating cancer as constant, unmitigated cell mitosis
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This is effective in treating cancer as constant, unmitigated cell mitosis
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is how cancer spreads throughout the body, blocking this process causes
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is how cancer spreads throughout the body, blocking this process causes
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it to die without reproducing.
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the cells to die without reproducing.
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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While taxanes are an effective cancer treatment, their use is made less
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While taxanes are an effective cancer treatment, their use is made less
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efficacious due to their particularly insolubility in water requiring additiona
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efficacious due to their practical insolubility in water.
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l chemcials to act as a delivery vehicle in order to allow a solution to
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In order to allow intravenous treatment, additional chemicals must be used
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be created for intraveneous application.
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as delivery 'vehicles' to improve solubility.
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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@ -1859,9 +1860,9 @@ As a result of the poor water solubility of taxanes and paclitaxel, a method
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for delivering a solution was required.
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for delivering a solution was required.
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Polyethoxylated castor oil (commercially known as Kolliphor EL, formerly
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Polyethoxylated castor oil (commercially known as Kolliphor EL, formerly
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Cremophor EL [CrEL]) combined with dehydrated ethanol provides a suitable
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Cremophor EL [CrEL]) combined with dehydrated ethanol provides a suitable
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formulation vehicle for many poorly water soluble and lipophilic drugs
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formulation vehicle for many poorly water soluble and lipophilic (tending
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and has been the standard for many forms of commercially available paclitaxel
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to dissolve in lipids or fats) drugs and has been the standard for many
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such as Taxol.
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forms of commercially available paclitaxel such as Taxol.
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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@ -1907,8 +1908,8 @@ literal "false"
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and is part of the albumin protein family.
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and is part of the albumin protein family.
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HSA is produced by the liver and performs important functions such as maintaini
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HSA is produced by the liver and performs important functions such as maintaini
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ng oncotic pressure in the blood vessels, ensuring the right levels of fluids
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ng oncotic pressure in the blood vessels (ensuring the right levels of fluids
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are found between blood vessels and body tissues, and transporting hormones
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are found between blood vessels and body tissues) and transporting hormones
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and fatty acids around the body.
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and fatty acids around the body.
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\end_layout
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\end_layout
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@ -1980,19 +1981,11 @@ literal "false"
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of using a native biological subtance.
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of using a native biological subtance.
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\end_layout
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\end_layout
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\begin_layout Standard
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The nanoparticles are biodegradable as nano particles of the sizes 10-100nm
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can be shown to enter the capillaries and be expelled as part of normal
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cell clearance.
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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While HSA is frequently used due to it's native presence in the body reducing
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While HSA is frequently used due to it's native presence in the body reducing
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the chances of an immunologic response, suitable albumin can also be found
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the chances of an immunologic response, suitable albumin can also be found
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in egg whites (ovalbumin [OVA]) and bovine serum (bovine serum albumin
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in egg whites (ovalbumin [OVA]) and bovine serum (bovine serum albumin
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[BSA]) where abundance and low cost are advantages.
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[BSA]) where abundance and low cost are advantages.
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Many of the advantages provided by using albumin can be attributed to using
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a biological protein.
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\end_layout
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\end_layout
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\begin_layout Section
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\begin_layout Section
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@ -2002,9 +1995,55 @@ NAB-Paclitaxel
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\begin_layout Standard
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\begin_layout Standard
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While there are many ways to produce albumin nanoparticles including desolvation
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While there are many ways to produce albumin nanoparticles including desolvation
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, emulsification and thermal gelation, an albumin specific technology was
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, emulsification and thermal gelation, an albumin specific technology was
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developed in order to capture lipophilic (tending to dissolve in lipids
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developed in order to capture lipophilic drugs in albumin nanoparticles
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or fats) drugs in albumin nanoparticles known as NAB-technology where NAB
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known as NAB-technology where NAB refers to nanoparticle albumin-bound.
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refers to nanoparticle albumin-bound.
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\end_layout
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\begin_layout Standard
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\begin_inset Float figure
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wide false
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sideways false
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status open
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\begin_layout Plain Layout
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\align center
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\begin_inset Graphics
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filename nab-pac.png
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lyxscale 30
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width 60col%
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\end_inset
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\end_layout
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\begin_layout Plain Layout
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\begin_inset Caption Standard
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\begin_layout Plain Layout
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Diagram showing albumin nanoparticles in combination with paclitaxel
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\begin_inset CommandInset citation
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LatexCommand cite
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key "veeda_edge"
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literal "false"
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Plain Layout
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\end_layout
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\end_inset
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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@ -2164,8 +2203,14 @@ The landscape is further broadening with research being completed into applying
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rapamycin.
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rapamycin.
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\end_layout
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\end_layout
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\begin_layout Standard
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Drug delivery is one of the largest areas within the field of nanomedicine
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with other sectors including direct cancer treatment, medical imaging and
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blood purification.
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\end_layout
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\begin_layout Paragraph*
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\begin_layout Paragraph*
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Part II Word Count:
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Part II Word Count: 989
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\end_layout
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\end_layout
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\begin_layout Standard
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\begin_layout Standard
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coursework.pdf
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coursework.pdf
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nab-pac.png
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After Width: | Height: | Size: 84 KiB |
@ -152,3 +152,5 @@ abstract = "Protein misfolding and self-assembly of disease-related and disease-
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@book{epar_summary_for_the_public-abraxane_2015,
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@book{epar_summary_for_the_public-abraxane_2015,
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title={European Public Assessment Report Summary - Abraxane}, url={https://www.ema.europa.eu/en/medicines/human/EPAR/abraxane}, journal={ European Medicines Agency}, publisher={ European Medicines Agency}, year={2008}, month={Jan}}
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title={European Public Assessment Report Summary - Abraxane}, url={https://www.ema.europa.eu/en/medicines/human/EPAR/abraxane}, journal={ European Medicines Agency}, publisher={ European Medicines Agency}, year={2008}, month={Jan}}
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@misc{veeda_edge, title={Protein bound Nano Particles Quantitative bioassays for Total and Unbounded fraction}, url={https://www.veedacr.com/2017/flyers/Protein bound nano particles/Protein bound nano particles.html}, journal={Veeda Edge}}
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