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Antimalarial Drugs Research: A Study on Existing Drugs and Possible Improvements

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Added on  2023/06/08

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This research paper focuses on the study of existing antimalarial drugs and possible improvements. It covers the methods used, results obtained, and the aim of the project. The paper also discusses the life cycle of malaria and the challenges faced in controlling the disease.

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ANTIMALARIAL DRUGS RESEARCH
By Name
Course
Instructor
Institution
Location
Date

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Contents
1.0 ABSTRACT.........................................................................................................................3
2.0INDEX..................................................................................................................................4
2.1 LIST OF TABLES...........................................................................................................4
2.2 LIST OF FIGURES..........................................................................................................4
2.3 ABBREVIATIONS..........................................................................................................5
2.4 ACKNOWLEDGEMENT................................................................................................5
3.0 INTRODUCTION................................................................................................................5
4.0 AIMS OF THE PROJECT...................................................................................................8
5.0METHODS...........................................................................................................................8
6.0RESULTS...........................................................................................................................10
7.0DISCUSSION.....................................................................................................................12
8.0CONCLUSION...................................................................................................................19
9.0REFERENCES....................................................................................................................20
10.0APPENDIX.......................................................................................................................22
11.0LABORATORY CLEARANCE FORM..........................................................................23
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1.0 ABSTRACT
Malaria is considered the most widespread disease in the world today. The disease is
devastating and is very infectious claiming nearly two million per year while those diagnosed
with the disease are roughly 300million.The protozoan parasites of the genus plasmodium
that causes malaria are very many. However, the most lethal one is called plasmodium
falciparum. There have been a number of discoveries of the antimalarial drugs including
quinine and other alkaloids of cinchona.
Apart from the mentioned ones, there exist other drugs that are more effective including
sontoquine, mefloquine, amodiaquine among others. Aminoquinolines are commonly known
for the formation of the complex compound with the ferriprotoporphyrinIX-FPIX.This
compound is normally generated in the food vacuole within the cells of the parasites. This is
necessitated by the process called proteolysis of haemoglobin within the cells of the host
thereby acting as the source of the required amino acids.
This amino acid is much needed during the life stages of the protozoa within the red blood
cells. Studies have indicated that the free FPIX is very much cytotoxic to plasmodium.
Plasmodium however has developed a strategy of reducing the quantity of FPIX which is
achieved through changing it into the crystalline but insoluble compound called hemozoin.
FPIX reactions prevent the conversion of the hematin to hemozoin thereby introducing
detoxification through crystallization process.
The accumulation of the considerable concentration of this compound is probably responsible
for the killings of the plasmodium parasite. There is general acceptance that this 4-
aminoquinoline pharmacophore has very significant duty in the process of complexation to
FPIX that leads to the inhibition of the formation of the hemozoin and subsequent growth of
the parasite. In the present date, several species of plasmodium have developed resistance
against the commonly used antimalarial drugs. Attempts to have this addressed have led to
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the development of new therapeutics that includes artemisinin together with other
endoperoxides.
2.0INDEX
Procedure-3
Disease-4
Methods-5
2.1 LIST OF TABLES
Table 1: Samples of drugs, 10
Table 2: mineral water ratio, 12
Table 3: demographic samples, 14
Table 4: ACT samples, 16
Table 5: Summary of effects, 18
2.2 LIST OF FIGURES
Figure1: life cycle of mosquitoes, 5
Figure2: Anopheles mosquito, 6
Figure 3: Samples of injections, 11
Figure 4: Samples of drug effects
2.3 ABBREVIATIONS
A.C.T-Artemisinin combination therapies
C.Q.R-Chloroquine resistance.
HB3-Chloroquine sensitive strain
Dd2-chloroquine resistance strain

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PQ-Premaquine
2.4 ACKNOWLEDGEMENT
There were individuals who really helped me in the various stages of my project. My sincere
appreciation goes to the technician who made the reagents available for my experiments. To
my course mates I remain thankful to you too for the creation of the conducive environment
for the studies and above all to my lecturers who have been so resourceful in this task
3.0 INTRODUCTION
Several efforts have been put in place to help in the controlling of the malaria and even
possibly have it completely eradicated. Although there has been success in some other parts
of the world including Southern Europe among other countries in the Africa and in the
Middle East, other regions in the world still experience the fatal effects of this particular
disease. The reasons as to why this has been the case is because of the continued resistance of
the parasites of malaria to the drugs available (Koesdjojo et.al 2014).
Figure 1: Life cycle of malaria extracted from (Koesdjojo et.al 2014).
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The complex life cycle of this plasmodium is another reason for the spreading of this disease.
Malaria especially for the human is initiated by infection caused by the plasmodium parasite.
This is transmitted to human host through an infected female mosquito called Anopheles.
After getting into the host, its circulation begins with the phase of sexual life cycle in which
the parasite quickly moves to the liver. This stage is very silent and it is merely described as
the liver infection. The stage is characterised by the formation of thousands of merozoites
that are subsequently released into the bloodstream.
Once in the bloodstream, they invade the red blood cells and this becomes the beginning of
the pathogenic asexual life cycle. In very many countries, the manufacturing operations have
been made easier using lean manufacturing. This task however appears to be very much
challenging. There are very many factors that influence this method of manufacturing of
these factors are complex in their properties and are therefore much challenging. The rules
that have been put in place can actually help in the reduction of the time that is consumed in
the process of production.
This is only possible when these principles are applied accordingly. The purpose of this
project is to shed much light on the manner of the application of these principles and their
resultant effects which may be termed as positive or disadvantages in some cases. The
required steps of the smooth operation are basically laid down in a very systematic
framework. This opera ration frame work also explains the depth of the applications that
either directly or indirectly reduces the throughput time.
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Figure 2 Anopheles mosquito extracted from (Lelièvre et.al 2012).
The resistance of the malaria parasites to the past versions of the medicines has seriously
undermined the malaria control efforts. During the previous decades, therapies that are based
on the combination of the artemisinin have been developed in the world as the first attempts
of malaria treatment. This has been commonly referred to as ACTs. ACTs include a fast-
acting artemisinin compound and another drug that is meant to improve the efficacy so as to
hinder the emergence of the resistance to artemisinin. Increase in the quantity of the
compound especially in the terms of its bulkiness in the branch R which actually seems to
improve the activity of the vitro.
As had been indicated in the past results, the IC50 values for the series 7 demonstrated a
perfect correlation with all the clog pf P and the parameters of the Charton. Other new series
including series 9 also gave a fair correlation with these very parameters of ACharton but
there was an exception to the values of the clog P. The supporting data as indicated in the
series 10 was actually too small to permit the drawing of the convincing conclusion on the
same subject. The HEFLECINs having the chloroquinoline core was actually found to be
more active as opposed to that of the CQ. The two compounds that are also known as 7C and
7h had their activities meeting the requirement of the selected studies. Lean manufacturing of
drugs helps in the reduction of the crucial step. The processing time is reduced, cost of the
operation minimised and quality of the services and products improved with the application
of this drug manufacturing tool. The errors that are predictable can be foreseen and corrected
in advance using what is called preventive maintenance.
The reliability of the suppliers to the companies doing manufacturing will for sure improve
without any doubt. The initiative has led to the increased profitability within the companies
and even the improved public impression and perception. Among the companies that have

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benefited for this initiative include those that are dealing with the perishable goods whose
delivery must be done within the specific duration of the time. The provision of emergency
responses like for the medical services have been realised the generation of descriptive
terminologies, lean manufacturing has been known to be the lean production. In the
production set up, these initiative plays avital role in the production line where it lowers the
production cost using relevant tools within the shortest time possible.
However, there is now even a bigger challenge considering that there are signs indicating
malaria parasite resistance to this artemisinin. Of concern now is the dependence on the new
drug combination on the derivatives of the artemisinin. It is worrying that most of the
antimalarial drugs that are available only target the blood-stage parasites with very few
known to inhibit the activities of the liver stage parasites (Lelièvre et.al 2012).
In the clinical drugs used worldwide, only Primaquine acts against the operations of the
parasites at the liver stage. Due to the concerns of the continued resistance to the antimalarial
drugs along the effects of difficult-to-treat chronic liver stages, the recommended therapy
should be effective enough to act against the multi-resistant strains of the parasite and also to
be active against the two stages of the parasites both for the liver and for the erythrocytes.
4.0 AIMS OF THE PROJECT
The aim of this project is study the existing drugs of the antimalaria and possibly make
improvements on the ones that are already facing resistance from the plasmodium species.
5.0METHODS
The approach that was used in this particular project which was the heme-targeted
antimalarial employed the utilisation of very cheap materials. The step that was used however
was very much high yielding. There was amination of 4,7-dichloroquinoline with the
compound called diaminoalkanes whose concentration was kept between 82-90% yield.
Combination of this compound with N, N diethylamino-3-propionic acid together alongside
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another compound called 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide was done. The
furnished amides were then lowered using borane to the corresponding series of secondary
amines. This was then followed by the preparation of the tertiary amines by doing the
treatment of the precursor using another compound called sodium borohydride but within a
special type of acetic solution. (Peters 2013).
The extended amines marked 6 and 7 could be made using an acid called 4-ketopimelic,8 and
5-oxoacelaic acid marked 9. The obtained results indicated that CDMT and Pybop when
thoroughly combined allows for the efficient formation with other compounds such as
diethylamine and even with diisopropylamine as followed. The corresponding yield of the
diamides that were marked 10 and 11 were between 62-99%. The triamines yields marked 14
and 15 were as a result of the group of ketones that have lowered amination from acetate of
ammonia and cyanoborohydride of sodium (Jover et.al 2012)
The terminal amides were reduced using another important compound called lithium
aluminium hydride. There was very careful but optimised nucleophilic aromatic constitution
used to employ these amines at high temperatures and in the presence of 1. This was done in
a closed vessel and it resulted into the production of chloroquinolines that were marked 6 and
7 respectively. A mixture of these elements of the isomers together with trans-isomers of
diaminocyclohexane which were temporarily marked 18 and 19 together with4,7-
dichlorpoquinoline were used to prepare 1,3-and 1,4-diaminocylohexane. This was obtained
from chloroquinolines that were marked 16a,16b,17a and finally 17b in that order. This
process was then followed by the intermediate treatment of 20 and 21 using acetic acid and
NaBH4.
The activity of the tribasic compound marked 4a-e,5 a-e,7a, b and 6a, b was considered ant
plasmodial. These properties were also shown by the compounds of the dibasic 1,3-and 1,4-
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diaminocyclohexane in the tubes marked 18 and 19. This was measured against other two
CRQs which included HB3 and GCO3 and also Dd2 and FCB elements with the standardised
and found in many laboratories. The calculations of the values of IC50 was done from the
experiment that was performed in triplicate then compared to the values of the CQ as shown
in the table labelled 1.
6.0RESULTS
Most of the aminoquinolines that were prepared during the project indicated antimalarial
activity against the HB3 and the GCO3.This was the same as the case of the CQ. A good
number of the compounds that were found significantly demonstrated to be potent against the
strains of the resistant in Dd2 and FCB as opposed to the compound CQ. Among the
compounds that were treated which were 18, only 49% gave the values of IC50 between 28
to 81 nM. In the case of Dd2, CQIC50 was equivalent to 140nM and out of 8, l6 indicated
values of IC50 between 49.1 and 74nM for the FCB which is the CQIC50.
Table 1: Samples of drugs

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It was however discovered that the activity of the antimalarial of those linear tribasic
aminoquinolines marked 4a up to e and also 5a up to e were generally superior over other
compounds in the tubes marked 6a,7a,6b and finally 7b leading to a systematically side chain
that was branched (Delves et.al 2013). The same antimalarial activity was observed with the
highly branched analogues 16a,17a,16b and 17b which were the branched dibasic of CQ.
These compounds however were characterised by very high index of selectivity. It is
important to note that diastereomeric mixtures of these compound marked 17a and 16a had
been previously been prepared by Drake.
Figure 3: Samples of the injection extracted from (Lelièvre et.al 2012).
Their report indicated higher antimalarial activity against the compounds such as CQS and
CQR elements as opposed to the compound of chloroquine. The quantitative measure was
therefore provided by this selectivity index and this probably indicated the discovery leads of
the drug. The selectivity index of CQ was at 10 while all other compounds that were tested
gave values between a range of 0.68 and 4.43. This implied that there was need to have 5a
and 5b highly combined so as to produce an antimalarial activity that is required against HB3
and GCO3 but this should be vacillated wiry the very low values of the selectivity index. The
recommended range should be between 1.14 and 1.78.
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The present hem targeted antiplasmodial therefore show activity against CQS strains that
were the same as those of CQ. They however retained their potency against the strains of
CQR.When the antimalarial activities of 5a and 5b were compared with the results that were
gotten from the tribasic aminoquinolines 4a and 4b indicates that the presence of this amino
acid is very important for the activity of Dd2, FCB andGCO3.The other compound such as
HB3 was however not affected by this. Also, the effectiveness of 5a and 5b compared with
Dd2 among others diminishes or reduces significantly with increase in the chai length. The
values of the selective index of all the compounds tested illustrate that the differences
witnessed on the CQ chain structure and even the basicity creates the new venues of
overcoming the resistance to the antimalarial drugs.
Table 2: Mineral water ratio
This can be possibly being combined with another third compound of basic amino that will in
turn favour the pilling of the drug inside the cell vacuole of the plasmodium parasite that is
also acidic. The high IC50 that was observed within the compounds of 7a and finally 7b
indicates the structure of the basicity of these chains especially branched ones that cannot be
independently optimised.
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7.0DISCUSSION
For the entire period of this project, a lot of effort has been put on the design, evaluation and
the possible synthesis of the promising antimalarial drugs while putting into the consideration
of the properties of the synesthetic pathways that includes cheapness and being straight
forward. The result given just indicates how the simple chemistry can actually yields the
required antimalarial leads (Nayyar et.al 2013).
The compound that was registered as 8d was actually obtained by a single coupling of the
compound called amide. This process was done done stepwise between the parent drug
commonly known as PQ together with the required cinnamic acid. This was previously
indicated by the standard condition of the coupling. This was done using the activation of the
acid of the cinnamic with O, TBTU and in the presence of the compound called DIEA
alongside the addition of PQ. The synthesis of the compound 14 was only the one that
required the registered three steps. The three steps included coupling of the final results of the
compound to the recommended acid of cinnamic which is also activated by the DIEA. During
this synthesis, morpholine was reacted with the 1 N-phthaloyl which is actually 4-
bromobutane and the followed by hydrazinolysis of the very compound. Although not all the
compounds result into the yields that were relative above the average results.
The discovery of the potent in the use of the vitro operations of the CQ analogues marked 7
as compared against blood-stage CQ of the resistance to the plasmodium falciparum parasite
was the major achievement’s is now an expansion in the family of the heterocycle. For some
of the compounds, there was comparison of the activity of the 3D7 which is considered
chlorine sensitive and the W2 Plasmodium falciparum parasite itself.

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Table 3: Demographic samples
In addition to this, there was consideration in the structural analogy to CQ which actually
operates through the inhibition of the element of the hematin. The selected compounds were
evaluated as in the case of the vitro inhibitors. However, on the basis of the latest results that
involved the use of the primaquine-cinnamic conjugate of the acid, there was an improved
assessment in the vitro activity which is the subset of the HEFLECINs (Delves et.al 2012)
The blood-stage operations of this compound, HEFLECINs were actually determined by the
methods and the procedures that have already been indicated before. The analysis of the data
obtained indicated a summary of the most tests. Most of the compounds that were under the
tests actually assayed against both the strains and these were very much active as compared
to the CQ-resistant which was the W2 and also the CQ-sensitive(3D7) strain. The compounds
that were obtained the samples 7,9 and even 10 but with that single branch that is attached to
the group of cinnamoyl. The removal of the 7-chlorine branch from the chloroquinoline ring
that connects to reduced activity of the antimalarial with the order of about 1. Finally, there
was replacement of the bond of the amide in 7d whose IC50 is equivalent to 20nM to the 6;
fold decrease activity of 122nM.
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The substitution of the ring of the chloroquinoline that includes 7d which is equivalent to
20nM by possibly another ring of the heteroaromatic that could be 8-amino-6-
methoxyquinoline and even pyridinic and this results to the reduced loss of the operations or
the activity. The comparison of the index value of IC50 that has a series of either 7 or 9 and
this actually translated into the substituent cinnamoyl R that has direct impact on the activity
although this may not be dramatic. The property of the donation or the withdrawing character
of R appears to be very insignificant in the activity itself. In most of these cases, the para
position is normally liked over other positions including the Meta position and the Meta
positions.
Increase in the quantity of the compound especially in the terms of its bulkiness in the branch
R which actually seems to improve the activity of the vitro. As had been indicated in the past
results, the IC50 values for the series 7 demonstrated a perfect correlation with all the clog pf
P and the parameters of the Charton. Other new series including series 9 also gave a fair
correlation with these very parameters of ACharton but there was an exception to the values
of the clog P. The supporting data as indicated in the series 10 was actually too small to
permit the drawing of the convincing conclusion on the same subject. The HEFLECINs
having the chloroquinoline core was actually found to be more active as opposed to that of
the CQ. The two compounds that are also known as 7C and 7h had their activities meeting the
requirement of the selected studies (Movellan et.al 2014)
In the Vitro operation against B-Hematin formation was actually used to determine the ability
of the HEFLECINs in the inhibition of the B-hematin to another compound called hemozoin.
The properties that are related to the CQ and those connected to the antimalarial were
assessed in the past results of the report of the method. This activity was not matching with
the Vitro antimalarial operations that had been indicated thereby suggesting that
HEFLECCINs owes this to the mechanisms set in place.
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Table 4: Samples of ACT
In addition to this, inhibition of this haematin significantly contributes to the formation
activity. It has facilitate a strong believe that b-hematin formation is being inhibited by the
activities that are contributed due to the b-hematin variation inhibition potency in the
homologues like in the 7c, 10a, and 9b, that moves in the same trend as compared to the
variation functions against the parasite of the blood-stage and the decrease of the significant
within the antimalarial actions in the consideration with the removal of the 7- chlorine
substituent (7c vs 12) with can be explained by the previous observation the chlorine atom
used was essential in ensuring the effectiveness of b-hematin inhibition by CQ plus the
related structure.
Both the initial and the current finding can be winded up that HEFLECINs was unreactive
against the blood stage parasite s via cysteine protease falcipians inhibition the function can
be the new permeation pathway (NNPs) impairment that are manufactured by plasmodia
inside the red blood cell (RBC) l with infection and b hematin crystallization inhibition. In
the Vivo Treatment of P. berghei infected mice (Bruxvoort et.al 2014) for the most promising
HEFLECINs, the compounds that were chosen has the potency against the cultured blood-
stage.

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The mice were injected with the chemical substance called intraperitoneally(ip) with the p.
berghei and then treated twice on everyday with other ip injections including 10 up to
100mg/The positive control used was chloroquine at the quantity of 3,10 and finally 30
mg/kg ip for two times within the year. The entire specimen which the mice were died due to
the effects of the malaria. This death could be partially being attributed to the poisoning due
to the drugs that were administered in the day 7.
Comparison of the time for survival especially after the start of the treatment was done so as
to check on the compound efficacies. In the enclosed observation of the collected data, the
compounds in the tube labelled 7C and also 7h were found to be very toxic at the
concentration of the 100mg/kg. In the particular contrition, there were no mice that survived
in the entire treatment process. At the lower doses of the treatment, 7h had an extension of
the survival to the untreated control by 2-7 days at 30mg/kg and also by duration of the two
days at 10mg/kg. It is very important to note that the sample 76C did not make any
improvement on the samples as compared to the other untreated controls present in the setup
(An et.al 2015)
There was an extension of the survival to at least two days in comparison to the untreated
controls at the largest amount of the dosage although this did not bring any advantage along
with it.
In the broad summary, there had been preparation of a series of rather very new
hemetargerted antimalarial that was actually achieved by getting the variation of the structure
and the basicity of the side that was actually attached to the component of the CQ. The 18
components that were all tested indicated the potent of the antimalarial activity as opposed to
those other 4 different kinds of strains in the vitro that can be synthesised from the readily
available but cheap materials.
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Figure 5: Summary of the effects of the drugs samples (Haynes, et.al 2012)
In particular, the tribasic 4-aminoquinolines 5a and its partner 5b possessing that short linear
side chain together with the excess aliphatic amino acids were found to be very much
effective for both CQS and CQR. This study has also shown the variations in the
methodological variation of the similar side chains of the compound-chloroquine that ensures
proper entry toward the affordable heme-targeted antimalarials that will finally assist in the
overcoming of the increasingly resistance to the malarial drugs.
They however retained their impacts on the remains of CQR.When some antimalarial
activities of 5b and 5a were compared against the data that were gotten from the alkaline
aminoquinolines 4b and 4a indicates that the existence of this group acid is very important for
the activity of Dd2, FCB andGCO3.The other compound such as HB3 was however not
affected by this. Also, the effectiveness of 5a and 5b compared with Dd2 among others
diminishes or reduces significantly with increase in the chai length. The values of the
selective index of all the compounds tested illustrate that the differences witnessed on the CQ
chain structure and even the basicity creates the new venues of overcoming the resistance to
the antimalarial drugs.
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8.0CONCLUSION
A new family of the analogues of the chloroquine that is commonly known as HEFLECINs
as the dual stage antimalaria leads was finally obtained. This particular compound shows a
great potent in vitro activity that is required against both the liver and the blood stage
plasmodia. This included the resistance that is also experienced in the chloroquine but in the
stage of blood for the species of the plasmodium falciparum W2 parasites being the vector in
this case.
The performance that was recorded was much better than the original chloroquine itself. The
most effective combination was that of 7C and 7h. Also, all 11,14 and 13 were found to be
better than that primaquine that is found to be somehow effective on the liver parasites. This
clearly indicates that the compound 4-amino -7 -chloroquinolines motif plays very crucial
duty in the activity of the dual stage of the antimalarial. In the process of the study, two of the
compounds were actually found to be very much active especially against the model of
malaria called murine/. The modest performances were in the vivo as opposed to the ones for
vitro. This could be attributed to the bioavailability of the related issues that may require
future optimisation of the antimalarial drugs.

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9.0REFERENCES
An, J., Woodward, J.J., Sasaki, T., Minie, M. and Elkon, K.B., 2015. Cutting Edge:
Antimalarial Drugs Inhibit IFN-β Production through Blockade of Cyclic GMP-AMP
Synthase–DNA Interaction. The Journal of Immunology, p.1402793.
Bruxvoort, K., Goodman, C., Kachur, S.P. and Schellenberg, D., 2014. How patients take
malaria treatment: a systematic review of the literature on adherence to antimalarial
drugs. PloS one, 9(1), p. e84555.
Delves, M., Plouffe, D., Scheurer, C., Meister, S., Wittlin, S., Winzeler, E.A., Sinden, R.E.
and Leroy, D., 2012. The activities of current antimalarial drugs on the life cycle stages of
Plasmodium: a comparative study with human and rodent parasites. PLoS medicine, 9(2), p.
e1001169.
Delves, M.J., Recker, A., Straschil, U., Lelièvre, J., Marques, S., López-Barragán, M.J.,
Herreros, E. and Sinden, R.E., 2013. Male and female P. falciparum mature gametocytes
show different responses to antimalarial drugs. Antimicrobial agents and chemotherapy,
pp.AAC-00325.
Koesdjojo, M.T., Wu, Y., Boonloed, A., Dunfield, E.M. and Remcho, V.T., 2014. Low-cost,
high-speed identification of counterfeit antimalarial drugs on paper. Talanta, 130, pp.122-
127.
Lelièvre, J., Almela, M.J., Lozano, S., Miguel, C., Franco, V., Leroy, D. and Herreros, E.,
2012. Activity of clinically relevant antimalarial drugs on Plasmodium falciparum mature
gametocytes in an ATP bioluminescence “transmission blocking” assay. Malaria
journal, 11(1), p. P7.
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Nayyar, G.M., Breman, J.G., Newton, P.N. and Herrington, J., 2012. Poor-quality
antimalarial drugs in Southeast Asia and sub-Saharan Africa. The Lancet infectious
diseases, 12(6), pp.488-496.
Peters, W. ed., 2013. Antimalarial Drugs I: Biological Background, Experimental Methods,
and Drug Resistance (Vol. 68). Springer.
Haynes, R.K., Cheu, K.W., Chan, H.W., Wong, H.N., Li, K.Y., Tang, M.M.K., Chen, M.J.,
Guo, Z.F., Guo, Z.H., Sinniah, K. and Witte, A.B., 2012. Interactions between artemisinins
and other antimalarial drugs in relation to the cofactor model—a unifying proposal for drug
action. ChemMedChem, 7(12), pp.2204-2226.
Movellan, J., Urbán, P., Moles, E., Jesús, M., Sierra, T., Serrano, J.L. and Fernandez-
Busquets, X., 2014. Amphiphilic dendritic derivatives as nanocarriers for the targeted
delivery of antimalarial drugs. Biomaterials, 35(27), pp.7940-7950.
Jover, J.A., Leon, L., Pato, E., Loza, E., Rosales, Z., Matias, M.A., Mendez-Fernandez, R.,
Díaz-Valle, D., Benitez-Del-Castillo, J.M. and Abasolo, L., 2012. Long-term use of
antimalarial drugs in rheumatic diseases. Clinical and Experimental Rheumatology-Incl
Supplements, 30(3), p.380.
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10.0APPENDIX
11.0LABORATORY CLEARANCE FORM
Name Student ID
E-mail Supervisor
Start Date End Date

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I……………………. confirm that I have
Cleared any glassware of my project.
Returned chemicals and other equipment’s (pipettes, pippete boxes loop, spreader, magnetic
stirrer e.tc) to the dispensary
Cleared the fridge and freezer (if applicable)
Cleared my blue box by the finish date of my project.
………………. Date………………………
Student signature
PRINT NAME:……………………………
1 out of 23
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