Publications

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Oyugi WO;, Leonard DK. "Procedures for decentralized programming, budgeting and work planning: Lessons from Kenyan mistakes.". 1985. AbstractWebsite

In 1980 Kenya's Ministry of Agriculture instituted a new Management Manual, designed to improve the quality of district participation in programme identification, budgeting and implementation. Despite the fact that the Manual drew on modern programme budgeting techniques and was based on several years' experience with the management of Kenya's multi-district Integrated Agricultural Development Project, the new procedures have not taken hold. This experience is analysed in order to suggest lessons for the reform of management procedures elsewhere in the developing world.

Oyugi, Lutiali, Saka, Musumba. Au Sommet 3: Une approche Intégrée et communicative . Nairobi: Kenya Literature Bureau; 2005.
Oyugi CCA. Bereavement Counseling for children . Nairobi: Uzima Press; 2007.
Oyugi CCA. "La mise en valeur du non-dit en classe du français langue étrangère.". In: L’enseignement du français dans le contexte multilingue estafricain et kenyan (Teaching of French in a multilingual context in East Africa and Kenya). Kenyatta University; Submitted.conference_presentation-_k.u..docxconference_presentation_2-_k.u..docxconcilier_formation_doc__ku.docx
Oyugi CCA. "Anxiety in the foreign language class." ATINER -Languages and Cultures in Contact and Contrast: Historical and Contemporary Perspectives. 2011;107:133-148.
Oyugi J, Otieno-Ayayo ZN, Ochanda H. "The silver cyprinid Rastrineobola argentea as the main diet source for rearing Anopheles arabiensis mosquitoes." Journal of Mosquito Research. 2014;4 (17): 1-6.
OYUNGE MRMONAYOALBERTV. "Advertising of cigarettes in Jabalpur City (M.P) India "A dissertation for a post graduate Diploma in Marketing and Sales Management.". In: Bull. Int. Dairy Fed. 221:32-46. Elsevier; 2005. Abstract
PIP: The efficacy and complication rate of menstrual regulation with the hand-held Karman cannula was tested on 223 women with amenorrhea up to 56 days in the Dept. of Obstetrics and Gynecology, University of Nairobi, Kenya from October 1982-January 1983. 195 women had positive pregnancy tests, while menstrual regulation was done on the others because of concern over late menses. the procedures were done without anesthesia with a 50 ml vacuum syringe fitted with a self-locking plunger, a rubber adaptor and stop cock, 5-8 mm flexible plastic Karman cannula and a toothless volsellum, using hibitane solution and savlon antiseptic. The average procedure time was 7 minutes. Bleeding lasted over 1 week in 4%, total blood loss was over 50 ml in 3.1%, and immediate side effects were syncope in 1.3%, nausea and vomiting in 1.8% and pain in 5.4%. There were 2 (0.8%) cases of endometritis. In Kenya where 60% of all gynecological hospital admissions are for septic abortions, it is essential to provide safe termination as a backup for family planning method failures.
OYUNGE MRMONAYOALBERTV. "An introduction to business studies (An undergraduate text book) for students pursuing Bachelor of Education Degree (in process of writing manuscript).". In: Bull. Int. Dairy Fed. 221:32-46. Elsevier; 2005. Abstract
PIP: The efficacy and complication rate of menstrual regulation with the hand-held Karman cannula was tested on 223 women with amenorrhea up to 56 days in the Dept. of Obstetrics and Gynecology, University of Nairobi, Kenya from October 1982-January 1983. 195 women had positive pregnancy tests, while menstrual regulation was done on the others because of concern over late menses. the procedures were done without anesthesia with a 50 ml vacuum syringe fitted with a self-locking plunger, a rubber adaptor and stop cock, 5-8 mm flexible plastic Karman cannula and a toothless volsellum, using hibitane solution and savlon antiseptic. The average procedure time was 7 minutes. Bleeding lasted over 1 week in 4%, total blood loss was over 50 ml in 3.1%, and immediate side effects were syncope in 1.3%, nausea and vomiting in 1.8% and pain in 5.4%. There were 2 (0.8%) cases of endometritis. In Kenya where 60% of all gynecological hospital admissions are for septic abortions, it is essential to provide safe termination as a backup for family planning method failures.
Oyungu E, Kioy PG, Patel NB. "Proconvulsant effect of khat (Catha edulis) in Sprague dawley rats.". 2008. Abstract

Ethnopharmacological relevance: Catha edulis (khat) is a plant whose fresh young leaves are used by an estimated five million people in eastern Africa and the Arabian Peninsula as a drug of recreation. The fresh leaves and shoots are rich in cathinone, a psychostimulant with effects similar to those of amphetamines. Psychostimulants produce a dose-related excitation of the central nervous system which can lead to seizures and convulsions. However there are no reports on studies of the effect of this herb on brain excitability and seizures. This knowledge is useful for doctors who may prescribe drugs whose side effects include lowering seizure threshold because there could be additive proconvulsant effectamongkhat users. Aim of the study: to determined whether khat lowers pentylenetetrazole (PTZ) seizure threshold. Methodology: Male Sprague dawley rats were given fresh aqueous khat extract, old aqueous khat extract (3 g/kg bw), methylphenidate or saline and the timed intravenous (PTZ) seizure threshold test was used to study its effect on seizure threshold. Results: Fresh khat (3 g/kg) and methylphenidate (4 mg/kg) lowered PTZ seizure threshold. Conclusion: Khat lowers seizure threshold.

Oyungu E, Kioy PG, Patel NB. "Proconvulsant effect of khat (Catha edulis) in Sprague dawley rats.". 2008. Abstract

Ethnopharmacological relevance: Catha edulis (khat) is a plant whose fresh young leaves are used by an estimated five million people in eastern Africa and the Arabian Peninsula as a drug of recreation. The fresh leaves and shoots are rich in cathinone, a psychostimulant with effects similar to those of amphetamines. Psychostimulants produce a dose-related excitation of the central nervous system which can lead to seizures and convulsions. However there are no reports on studies of the effect of this herb on brain excitability and seizures. This knowledge is useful for doctors who may prescribe drugs whose side effects include lowering seizure threshold because there could be additive proconvulsant effectamongkhat users. Aim of the study: to determined whether khat lowers pentylenetetrazole (PTZ) seizure threshold. Methodology: Male Sprague dawley rats were given fresh aqueous khat extract, old aqueous khat extract (3 g/kg bw), methylphenidate or saline and the timed intravenous (PTZ) seizure threshold test was used to study its effect on seizure threshold. Results: Fresh khat (3 g/kg) and methylphenidate (4 mg/kg) lowered PTZ seizure threshold. Conclusion: Khat lowers seizure threshold.

Oyungu E, Kioy PG PNB. "Proconvulsant effect of khat (Catha edulis) in Sprague dawley rats." Journal of Ethnopharmacology. 2009;121(3):476-8.oyungu_et_al_j_ethnopharmacol_2009.pdf
Ozdemir SK, Yang L, Peng B. Loss engineering to improve system functionality and output. Google Patents; 2021. Abstract
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Ozdemir SK, Zhu J, Yang X, Peng B, Yilmaz H, He L, Monifi F, Long GL, Yang L. "Raman-gain induced loss-compensation in whispering-gallery-microresonators and single-nanoparticle detection with whispering-gallery Raman-microlasers." arXiv preprint arXiv:1401.2033. 2014. Abstract
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Ozen OI, MORALIOGLU S, KARABULUT R, DEMIROGULLARI B, SONMEZ K, TURKYILMAZ Z, CAN BASAKLAR A, KALE N. "Surgical treatment of cervicofacial cystic hygromas in children." ORL. 2005;67:331-334. AbstractWebsite
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Ozwara HS, Olobo JO, Irungu LW. "Evaluation of immune associated cells in lesions of L. major infected vervet monkeys (Cercopithecus aethiops)." African journal of health sciences. 1995;2(3):349-353. AbstractPubMed link

Vervet monkeys were used to characterize immune associated cell types recruited into lesion sites as a result of experimental primary and secondary infections with Leishmania major. A heavy cellular infiltration consisting primarily of CD8+ (cytotoxic/suppressor) T cells were observed in the lesions. A small number of B lymphocytes and NK cells were also stained. Changes in cell type populations observed in the lesions were similarly reflected in the draining lymph nodes. Studies from control sites in all the animals revealed the presence of CD8+ T cells both in the epidermis and dermal layers of the normal skin. B cells, CD16 (NK cells) and CD4 (helper T cells) positive cells were virtually absent in the normal skin. It was concluded that CD8+ T cells were the predominant cells in the lesions. It also appeared that similar cell types were restricting the parasites at the lesion site both in primary and secondary L. major infections in vervet monkeys.

O’Connell SA, Maturu BO, Mwega FM, Ndung’u N, Ngugi RW, Adam CS, Collier P. "Capital mobility, monetary policy and exchange rate management in Kenya.". In: Kenya Policies for Prosperity. Oxford University Press; 2010.

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