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1

The effect of NaOH catalyst concentration and extraction time on the yield and properties of Citrullus vulgaris seed oil as a potential biodiesel feed stock

Efavi, J.K., Kanbogtah, Dindomah, Apalangya, V., Nyankson, E., Tiburu, E.K., Dodoo-Arhin, D., Onwona-Agyeman, B., Yaya, A.

Journal:

South African Journal of Chemical Engineering

Année:

2018

Langue:

english

Fichier:

PDF, 507 KB

english, 2018

2

Catalytic Pyrolysis of Waste Engine Oil over Y Zeolite Synthesized from Natural Clay

Osei, Gabriel Kofi, Nzihou, Ange, Yaya, Abu, Minh, Doan Pham, Onwona-Agyeman, B.

Journal:

Waste and Biomass Valorization

Année:

2020

Fichier:

PDF, 3.42 MB

2020

3

The promotive effect of applying mixtures of (S)-(+)-abscisic acid and gibberellic acid on flowering in long-day plants

Y. Kamuro, S. Onwona-Agyeman, S. Matsui

Journal:

Plant Growth Regulation

Année:

2001

Langue:

english

Fichier:

PDF, 201 KB

english, 2001

4

Preparation of Al-doped ZnO thin films as transparent conductive substrate in dye-sensitized solar cell

N. Hirahara, B. Onwona-Agyeman, M. Nakao

Journal:

Thin Solid Films

Année:

2012

Langue:

english

Fichier:

PDF, 1.21 MB

english, 2012

5

Household participation in Payments for Ecosystem Services: A case study from Mozambique

Mudaca, Joao Daniel, Tsuchiya, Toshiyuki, Yamada, Masaaki, Onwona-Agyeman, Siaw

Journal:

Forest Policy and Economics

Année:

2015

Langue:

english

Fichier:

PDF, 282 KB

english, 2015

6

Influence of Different Plant Materials in Combination with Chicken Manure on Soil Carbon and Nitrogen Contents and Vegetable Yield

OMARI, Richard Ansong, AUNG, Han Phyo, HOU, Mudan, YOKOYAMA, Tadashi, ONWONA-AGYEMAN, Siaw, OIKAWA, Yosei, FUJII, Yoshiharu, BELLINGRATH-KIMURA, Sonoko Dorothea

Journal:

Année:

2016

Langue:

english

Fichier:

PDF, 276 KB

english, 2016

7

Preparation and Characterization of Rubber Blends for Industrial Tire Tread Fabrication

Mensah, B., Agyei-Tuffour, B., Nyankson, E., Bensah, Y. D., Dodoo-Arhin, D., Bediako, J. K., Onwona-Agyeman, B., Yaya, A.

Journal:

International Journal of Polymer Science

Année:

2018

Langue:

english

Fichier:

PDF, 5.30 MB

english, 2018

8

Shiso leaf pigments for dye-sensitized solid-state solar cell

G.R.A. Kumara, S. Kaneko, M. Okuya, B. Onwona-Agyeman, A. Konno, K. Tennakone

Journal:

Solar Energy Materials and Solar Cells

Année:

2006

Langue:

english

Fichier:

PDF, 143 KB

english, 2006

9

Cohort trial reveals community impact of insecticide-treated nets on malariometric indices in urban Ghana

Eveline Klinkenberg, Kwabena A. Onwona-Agyeman, P.J. McCall, Michael D. Wilson, Imelda Bates, Francine H. Verhoeff, Guy Barnish, Martin J. Donnelly

Journal:

Transactions of the Royal Society of Tropical Medicine and Hygiene

Année:

2010

Langue:

english

Fichier:

PDF, 634 KB

english, 2010

10

Large area dye-sensitized solar cells: material aspects of fabrication

G. R. A. Kumara, S. Kaneko, A. Konno, M. Okuya, K. Murakami, B. Onwona-agyeman, K. Tennakone

Journal:

Progress in Photovoltaics: Research and Applications

Année:

2006

Langue:

english

Fichier:

PDF, 243 KB

english, 2006

11

Seasonal changes in the Modulus of Elasticity of living branches of three coniferous species

Siaw Onwona-Agyeman, Noboru Morioka, Minoru Kondo, Katsuhiro Kitagawa

Journal:

Ecological Research

Année:

1995

Langue:

english

Fichier:

PDF, 658 KB

english, 1995

12

Controlling the resistivity of multi-walled carbon nanotube networks by copper encapsulation

Yong Sun, Boateng Onwona-Agyeman, Tatsuro Miyasato

Journal:

Materials Letters

Année:

2011

Langue:

english

Fichier:

PDF, 576 KB

english, 2011

13

Preparation and characterization of sputtered aluminum and gallium co-doped ZnO films as conductive substrates in dye-sensitized solar cells

Onwona-Agyeman, B., Nakao, M., Kohno, T., Liyanage, D., Murakami, K., Kitaoka, T.

Journal:

Chemical Engineering Journal

Année:

2013

Langue:

english

Fichier:

PDF, 713 KB

english, 2013

14

Sensitization of zinc oxide photoanode with an indoline dye

Onwona-Agyeman, Boateng, Nakao, Motoi, Kumara, Gamaralalege Rajanya Asoka, Karunarathne, Sedari Mudiyanselage Migara Lakshit, Anuradha, Sepalage Gaveshana, Dematage, Nilupulee

Journal:

Progress in Photovoltaics: Research and Applications

Année:

2014

Langue:

english

Fichier:

PDF, 348 KB

english, 2014

15

An Abnormal Temperature Dependence of Conductivity in Fullerene Solids

Sun, Yong, Onwona-Agyeman, Boateng, Miyasato, Tatsuro

Journal:

Japanese Journal of Applied Physics

Année:

2010

Langue:

english

Fichier:

PDF, 273 KB

english, 2010

16

Monitoring of organic micropollutants in Ghana by combination of pellet watch with sediment analysis: E-waste as a source of PCBs

Hosoda, Junki, Ofosu-Anim, John, Sabi, Edward Benjamin, Akita, Lailah Gifty, Onwona-Agyeman, Siaw, Yamashita, Rei, Takada, Hideshige

Journal:

Marine Pollution Bulletin

Année:

2014

Langue:

english

Fichier:

PDF, 1.09 MB

english, 2014

17

Global occurrence of anti-infectives in contaminated surface waters: Impact of income inequality between countries

Segura, Pedro A., Takada, Hideshige, Correa, José A., El Saadi, Karim, Koike, Tatsuya, Onwona-Agyeman, Siaw, Ofosu-Anim, John, Sabi, Edward Benjamin, Wasonga, Oliver V., Mghalu, Joseph M., dos Santos,

Journal:

Environment International

Année:

2015

Langue:

english

Fichier:

PDF, 1.28 MB

english, 2015

18

Al-Doped ZnO Film as a Transparent Conductive Substrate in Indoline-Sensitized Nanoporous ZnO Solar Cell.

Onwona-Agyeman, B., Nakao, M., Kumara, G.R.A., Kitaoka, T.

Journal:

MRS Proceedings

Année:

2012

Langue:

english

Fichier:

PDF, 272 KB

english, 2012

19

Photoelectrochemical solar cells made from SnO2/ZnO films sensitized with an indoline dye

Onwona-Agyeman, Boateng, Nakao, Motoi, Asoka Kumara, Gamaralalege Rajanya

Journal:

Journal of Materials Research

Année:

2010

Langue:

english

Fichier:

PDF, 492 KB

english, 2010

20

ECS Transactions [ECS 217th ECS Meeting - Vancouver, Canada (April 25 - April 30, 2010)] - Aluminum-Doped Zinc Oxide Thin Films for Opto-Electronic Applications

Hirahara, Naoki, Onwona-Agyeman, Boateng, Nakao, Motoi

Année:

2010

Langue:

english

Fichier:

PDF, 329 KB

english, 2010

21

Development of Paper Exhaust Catalyst Material for Emission Control in Small Internal Combustion Engines

Onwona-Agyeman, B., Suzuki, R., Yano, H., Yagi, S., Tomoda, A.

Journal:

SAE International Journal of Engines

Année:

2008

Langue:

english

Fichier:

PDF, 998 KB

english, 2008

22

Tin oxide based dye-sensitized solid-state solar cells: surface passivation for suppression of recombination

Ranasinghe, C.S.K., Jayaweera, E.N., Kumara, G.R.A., Rajapakse, R.M.G., Onwona-Agyeman, B., Perera, A.G.U., Tennakone, K.

Journal:

Materials Science in Semiconductor Processing

Année:

2015

Langue:

english

Fichier:

PDF, 826 KB

english, 2015

23

Sensitization of Nanocrystalline SnO 2 Films with Indoline Dyes

Onwona-Agyeman, Boateng, Kaneko, Shoji, Kumara, Asoka, Okuya, Masayuki, Murakami, Kenji, Konno, Akinori, Tennakone, Kirthi

Journal:

Japanese Journal of Applied Physics

Année:

2005

Langue:

english

Fichier:

PDF, 76 KB

english, 2005

24

Properties of Charge Carrier Transport in Au/Phenyl C61Butyric Acid Methyl Ester/Au Structure

Y. Sun, B. Onwona-agyeman, T. Miyasato

Année:

2011

Langue:

english

Fichier:

PDF, 819 KB

english, 2011

25

Triboluminescence of ZnS:Mn Films Deposited on Quartz Substrates with ZnO Buffer Layers

B. Onwona-agyeman, C. Xu, W. Shi, M. Suzuki, X. Zheng

Année:

2002

Langue:

english

Fichier:

PDF, 95 KB

english, 2002

26

Solid-state Solar Cells Sensitized with Indoline Dye

Konno, Akinori, Kumara, Gamaralalage Rajanya Asoka, Kaneko, Shoji, Onwona-Agyeman, Boateng, Tennakone, Kirthi

Journal:

Chemistry Letters

Année:

2007

Langue:

english

Fichier:

PDF, 76 KB

english, 2007

27

Determination of the Extent of Trace Metals Pollution in Soils, Sediments and Human Hair at e-Waste Recycling Site in Ghana

Tokumaru, Takashi, Ozaki, Hirokazu, Onwona-Agyeman, Siaw, Ofosu-Anim, John, Watanabe, Izumi

Journal:

Archives of Environmental Contamination and Toxicology

Année:

2017

Langue:

english

Fichier:

PDF, 1.24 MB

english, 2017

28

Characterisation and identification of local kaolin clay from Ghana: A potential material for electroporcelain insulator fabrication

Yaya, Abu, Tiburu, Elvis K., Vickers, Mary E., Efavi, Johnson K., Onwona-Agyeman, Boateng, Knowles, Kevin M.

Journal:

Applied Clay Science

Année:

2017

Langue:

english

Fichier:

PDF, 1.51 MB

english, 2017

29

Identification of vanilloid compounds in the Grains of Paradise and their effects on sympathetic nerve activity

Hattori, Hiroyuki, Yamauchi, Kosei, Onwona-Agyeman, Siaw, Mitsunaga, Thoru

Journal:

Journal of the Science of Food and Agriculture

Année:

2018

Langue:

english

Fichier:

PDF, 1.08 MB

english, 2018

30

Application of clay ceramics and nanotechnology in water treatment: A review

Annan, Ebenezer, Agyei-Tuffour, Benjamin, Bensah, Yaw Delali, Konadu, David Sasu, Yaya, Abu, Onwona-Agyeman, Boateng, Nyankson, Emmanuel, Sánchez, Julio

Journal:

Cogent Engineering

Année:

2018

Langue:

english

Fichier:

PDF, 1.71 MB

english, 2018

31

Industrial Applications of Clay Materials from Ghana (A Review)

Asamoah, R.B., Nyankson, E., Annan, E., Agyei-Tuffour, B., Efavi, J.K., Kan-Dapaah, K., Apalangya, V.A., `Damoah, L.N.W., Dodoo-Arhin, D., Tiburu, E.K., Kwofie, S.K., Onwona-Agyeman, B., Yaya, A.

Journal:

Oriental Journal Of Chemistry

Année:

2018

Langue:

english

Fichier:

PDF, 627 KB

english, 2018

32

Involvement of Carnosic Acid in the Phytotoxicity of Rosmarinus officinalis Leaves

Appiah, Kwame, Mardani, Hossein, Omari, Richard, Eziah, Vincent, Ofosu-Anim, John, Onwona-Agyeman, Siaw, Amoatey, Christiana, Kawada, Kiyokazu, Katsura, Keisuke, Oikawa, Yosei, Fujii, Yoshiharu

Journal:

Année:

2018

Langue:

english

Fichier:

PDF, 8.20 MB

english, 2018

33

Medicinal Plants Used in the Ejisu-Juaben Municipality, Southern Ghana: An Ethnobotanical Study

Appiah, Kwame, Oppong, Clement, Mardani, Hossein, Omari, Richard, Kpabitey, Sylvia, Amoatey, Christiana, Onwona-Agyeman, Siaw, Oikawa, Yosei, Katsura, Keisuke, Fujii, Yoshiharu

Journal:

Année:

2018

Langue:

english

Fichier:

PDF, 2.17 MB

english, 2018

34

Preparation and Characterization of Indium and Gallium doped Transparent ZnO Films for Solar Cell Applications

Seth Richter, Reuben, Yaya, A., Dodoo-Arhin, D., Agyei-Tuffour, B., Juma Musembi, Robinson, Onwona-Agyeman, Boateng

Journal:

Oriental Journal Of Chemistry

Année:

2018

Fichier:

PDF, 715 KB

2018

35

Preparation and Characterization of Indium and Gallium doped Transparent ZnO Films for Solar Cell Applications

Seth Richter, Reuben, Yaya, A., Dodoo-Arhin, D., Agyei-Tuffour, B., Juma Musembi, Robinson, Onwona-Agyeman, Boateng

Journal:

Oriental Journal Of Chemistry

Année:

2018

Langue:

english

Fichier:

PDF, 715 KB

english, 2018

36

Organic and chemical fertilizer input management on maize and soil productivity in two agro-ecological zones of Ghana

Omari, Richard Ansong, Fujii, Yoshiharu, Sarkodee-Addo, Elsie, Oikawa, Yosei, Onwona-Agyeman, Siaw, Bellingrath-Kimura, Sonoko Dorothea

Journal:

Environmental Sustainability

Année:

2018

Fichier:

PDF, 1.19 MB

2018

37

Donor- π -Conjugated Spacer-Acceptor Dye-Sensitized Solid-State Solar Cell Using CuI as the Hole Collector

Liyanage, D. N., Kumarasinghe, K. D. M. S. P. K., Kumara, G. R. A., Jayasundera, A. C. A., Tennakone, K., Onwona-Agyeman, B.

Journal:

International Journal of Photoenergy

Année:

2019

Fichier:

PDF, 6.43 MB

2019

38

Retrospective review of neonatal morbidity and mortality at public referral hospitals in Greater Accra Region of Ghana:2013–2014

Enweronu-Laryea, C.C., Onwona-Agyeman, K., Ayibor, P.K., Annan, F.B., Gyakariand, L.A., Vanotoo, E.O.

Journal:

Journal of Neonatal-Perinatal Medicine

Année:

2019

Fichier:

PDF, 181 KB

2019

39

Influence of Soil Characteristics and Land Use Type on Existing Fractions of Radioactive 137Cs in Fukushima Soils

Mensah, Akwasi Dwira, Terasaki, Akimi, Aung, Han Phyo, Toda, Hiroto, Suzuki, Sohzoh, Tanaka, Haruo, Onwona-Agyeman, Siaw, Omari, Richard Ansong, Bellingrath-Kimura, Sonoko Dorothea

Journal:

Année:

2020

Langue:

english

Fichier:

PDF, 1.00 MB

english, 2020

40

Structural and Electronic properties of PVK/C60 Nanoheterostructure interfaces- A DFT Approach

Elloh, V.W., Mishra, Abhishek K., Dodoo-Arhin, D., Abavare, Eric K.K., Gebreyesus, G., Nyankson, E., Efavi, J.K., Onwona-Agyeman, B., Yaya, A.

Journal:

Surfaces and Interfaces

Année:

2020

Fichier:

PDF, 1.53 MB

2020

41

Photovoltaic Performance of Spray-Coated Zinc Oxide Nanoparticles Sensitized With Metal-Free Indoline Dyes

Onwona-Agyeman, Boateng, Nakao, Motoi, Kitaoka, Takuya

Journal:

Journal of Materials Science Research

Année:

2013

Fichier:

PDF, 477 KB

2013

42

A Comparative Study of Antibacterial Activity of CuO/Ag and ZnO/Ag Nanocomposites

Asamoah, R. B., Annan, E., Mensah, B., Nbelayim, P., Apalangya, V., Onwona-Agyeman, B., Yaya, A.

Journal:

Advances in Materials Science and Engineering

Année:

2020

Fichier:

PDF, 3.46 MB

2020

43

Garcinoic Acids and a Benzophenone Derivative from the Seeds of Garcinia kola and Their Antibacterial Activities against Oral Bacterial Pathogenic Organisms

Hioki, Yusuke, Onwona-Agyeman, Siaw, Kakumu, Yuya, Hattori, Hiroyuki, Yamauchi, Kosei, Mitsunaga, Tohru

Journal:

Journal of Natural Products

Année:

2020

Fichier:

PDF, 852 KB

2020

44

A theoretical study of the structural and electronic properties of poly (9-vinylcarbazole) interacting with small diameter single-walled carbon nanotubes

Elloh, V. W., Apalangya, V. A., Kan-Dapaah, K., Gebreyesus, G., Abhishek, K. M., Nyankson, E., Efavi, J. K., Onwona-Agyeman, B., Yaya, A.

Journal:

International Journal of Computational Materials Science and Engineering

Année:

2020

Fichier:

PDF, 1.47 MB

2020

45

Development and Characterization of ClayâNanocomposites for Water Purification

Asamoah, Richard Barnes, Yaya, Abu, Nbelayim, Paschal, Annan, Ebenezer, Onwona-Agyeman, Boateng

Journal:

Année:

2020

Fichier:

PDF, 7.29 MB

2020

46

Stacking Interactions of Poly Para-Phenylene Vinylene Oligomers with Graphene and Single-Walled Carbon Nanotubes: A Molecular Dynamics Approach

Dagadu, Nii Amah, Ajori, Shahram, Bensah, Yaw Delali, Kan-Dapaah, Kwabena, Armah, Stephen Kofi, Onwona-Agyeman, Boateng, Yaya, Abu

Journal:

Année:

2020

Fichier:

PDF, 21.07 MB

2020