Dr. Abdullah Hasan Jabbar
@ministry of health
Ministry of Health
RESEARCH, TEACHING, or OTHER INTERESTS
Radiation, Biophysics, Biomaterials, Atomic and Molecular Physics, and Optics
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
Scopus Publications
Youssef Ali Naeem, Abdullah Hasan Jabbar, Marwan Azeez Lateef, Alaa A. Omran, Manal Morad Karim, Alzahraa S. Abdulwahid, and Mustafa M. Kadhim
Elsevier BV
Rasha Alali, Thulfiqar Najah Ismael, Wurood J. Rajab, A. H. Shather, Abdullah Hasan Jabbar, Ahmed Elawady, Alaa A. Omran, Majli Nema Hawas, and Anupam Yadav
Springer Science and Business Media LLC
Muhammad Hasnain Jameel, Mohd Zul Hilmi Bin Mayzan, Muhammad Sufi bin Roslan, Mohd Arif Bin Agam, Abdullah Hasan Jabbar, Karrar Mahdi Badi, and Alaa Nihad Tuama
Springer Science and Business Media LLC
Abdullah Hasan Jabbar, Salim Oudah Mezan, Ameer A. Alameri, A. S. Prakaash, Aiman Mohammed Baqir Al-Dhalimy, and Ahmad Younes
Informa UK Limited
S. A. Jasim, H. S. Jabr, Y. S. Karim, A. Supaeva, A. J. Kadhim, A. H. Jabbar, G. Yasin, A. T. Jalil, and Y. F. Mustafa
FapUNIFESP (SciELO)
Abstract Any solid, unprotected, and undefended surface in the aquatic environment will be fouled. Fouling, on the other hand, can affect a wide range of species that can tolerate some epibiosis. Several others, on the other hand, aggressively keep the epibionts off their body surface (antifouling). Antifouling defenses are built into marine plants like seaweed and seagrass. They do have a distinctive surface structure with tightly packed needle-like peaks and antifouling coverings, which may hinder settling bacteria's ability to cling. Chemical antifouling resistance is most probably a biological reaction to epibiosis' ecological drawbacks, especially for organisms capable of performing photosynthesis. The goal of this study was to see how effective natural compounds derived from littoral seaweeds were in preventing fouling. The brown mussel, an important fouling organism, was evaluated in laboratory bioassays against fifty-one populations' crude organic extracts including fort-two macroalgae species. Antifouling activity, exhibited a distinct phylogenetic pattern, with red macroalgae having the largest share of active species, subsequently brown macroalgae. Antifouling action in green seaweeds has never been significant. Seven species showed some level of induced antifouling defense. Our findings appear to back up previous findings about secondary metabolite synthesis in seaweeds, indicating that in the hunt for novel antifoulants, researchers should concentrate their efforts on tropical red macroalgae.
Chou-Yi Hsu, Abdullah Hasan Jabbar, A.H. Shather, Ameer S. Alkhayyat, Ali Alsalamy, Atheer Khdyair Hamad, Nahed Mahmood Ahmed, Zaid H Mahmoud, and Zainab Talib Abed
Elsevier BV
Abdullah Hasan Jabbar, Suhair Mohammad Husein Kamona, Sarah Kamil Abbood, Talib Kh. Hussein, Dahlia N. Al-Saidi, Safaa Mustafa Hameed, Rashid Abdul Kareem Rashid, Hussein Abdullah Abbas, and Mustafa M. Kadhim
Elsevier BV
Muhammad Hasnain Jameel, Mohd Arif Bin Agam, Muhammad Sufi bin Roslan, Abdullah Hasan Jabbar, Rami Qays Malik, Muhammad Usama Islam, Ali Raza, and Rasheed Ahmad Subhani
Elsevier BV
Saade Abdalkareem Jasim, Abdullah Hasan Jabbar, Dmitry Olegovich Bokov, Zuhair I. Al Mashhadani, Aravindhan Surendar, Talib Zeedan Taban, Suhair Mohammad Husein Kamona, Zaid Hameed Mahmood, Wanich Suksatan, Adnan Hashim Abdulkadhim,et al.
Springer Science and Business Media LLC
Shavan Askar, Abdullah Hasan Jabbar, Prakaash A S, Jakhongir Ibragimov, Bashar S Bashar, Zainab Jawad Kadhim, Linar Akhmetov, Raed H C Alfilh, Seema Ramniwas, and Andrés Alexis Ramírez-Coronel
IOP Publishing
Abstract In this letter, we investigate the electron injection rate-based optical bistability (OB) and optical multistability (OM) features in an imperfect cavity. Coherent optical fields interact with the open four-level quantum system that makes up the ring cavity. We have discovered that the threshold of OB and OM as well as the length of the hysteresis loop can be changed by varying the length of the quantum system, reflection and transmission coefficient of cavity mirrors. Our findings further show that the electronic exit rate from the cavity and the electron injection rates have a significant impact on the threshold of OB and OM. It is discovered that transitioning from OB to OM or vice versa is achievable by adjusting the controllable parameters. The impact of the cooperation parameter on the properties of the OB and OM is then addressed. The findings demonstrate that the OB features are simple to manipulate. Our suggested model might be used to develop an all-optical device for use in upcoming quantum information processing.
Jibrin Alhaji Yabagi, Muhammad Hasnain Jameel, Abdullah Hasan Jabbar, Mohammed Isah Kimpa, Rami Qays Malik, Sim Pei Xin, Ndanusa Babakatcha, Muhammad Bello Ladan, Maytham Qabel Hamzah, MohdArif Agam,et al.
Royal Society of Chemistry (RSC)
In the current research, the resist action of silver-doped polystyrene/polyethylene terephthalate (PET) solar thin film towards laser irradiation was observed.
Abdullah Hasan Jabbar, Salim Oudah Mezan, Salih Meri Al Absi, Abdulkareem Thjeel Jabbar, Ahmed Shayaa Kareem, and Fouad Qasim Jubair Al-Zayadi
AIP Publishing
Fouad Qasim Jubair Al-Zayadi, Ahmed Shayaa Kareem, Ali S. Shakir, Ifad Kerim Alshibly, Ammad Hasan Mahmood, and Abdullah Hasan Jabbar
AIP Publishing
Salim Oudah Mezan, Abdullah Hasan Jabbar, Abdulkareem Thjeel Jabbare, Salih Meri Al Abs, M. S. Roslan, and Mohd Arif Agam
AIP Publishing
Barno Abdullaeva, Maria Jade Catalan Opulencia, Vitaliy Borisov, Khusniddin Fakhriddinovich Uktamov, Walid Kamal Abdelbasset, Ahmed Kateb Jumaah Al-Nussair, Maki Mahdi Abdulhasan, Lakshmi Thangavelu, and Abdullah Hasan Jabbar
Elsevier BV
Iskandar Muda, R. Sivaraman, Sulieman Ibraheem Shelash Al-H, Untung Rahardja, Rusul S. Bader, Deni Kadarsyah, Karrar Shareef Mohsen, Abdullah Hasan Jabbar, and Dr Purnima Chaudhary
Korean Institute of Industrial Engineers
Sen Xie, Akbar Formonov, Abdulqader Abdulrahman Thapit, Mohammed Hayder Alshalal, Mostafa Kamel Shakir Obeis, R. Sivaraman, Abdullah Hasan Jabbar, Purnima Chaudhary, and Yasser Fakri Mustafa
Korean Institute of Industrial Engineers
Abid Zaman, Neeraj Kumar Shukla, Asad Ali, Aiyeshah Alhodaib, Vineet Tirth, Zahraa Hashim Kareem, Abdullah Hasan Jabbar, Muhammad Mushtaq, Mujahid Abbas, Mona AlHarbi,et al.
MDPI AG
In the present work, pure and Cr-doped MoO3 microrods were successfully prepared through the sol gel auto combustion method. The phase evaluation and microstructural, dielectric, and optical properties of synthesized samples were investigated by using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and an impedance analyzer (1 MHz–3 GHz). All the samples showed hexagonal structure with space group (P63). According to Vegard’s law, lattice parameters increase with the increase in chromium (Cr3+) contents. In addition, the Williamson–Hall (W–H) plot was drawn for evaluating the micro-strain (εW-H) and crystallite size (DW-H) parameters. From microstructural analysis it was found that the size of microrods increased along with Cr3+ contents. Decreasing band gap energy was observed (from 2.98 to 2.71 eV) with increasing Cr3+ contents. The variation of the dielectric constant and tangent loss of MoO3 microrods with respect to frequency were analyzed.
Tzu-Chia Chen, Mahyuddin KM Nasution, Abdullah Hasan Jabbar, Sarah Jawad Shoja, Waluyo Adi Siswanto, Sigiet Haryo Pranoto, Dmitry Bokov, Rustem Magizov, Yasser Fakri Mustafa, A. Surendar,et al.
IOP Publishing
Understanding the relation between spatial heterogeneity and structural rejuvenation is one of the hottest topics in the field of metallic glasses (MGs). In this work, molecular dynamics (MD) simulation is implemented to discover the effects of initial spatial heterogeneity on the level of rejuvenation in the Ni80P20MGs. For this purpose, the samples are prepared with cooling rates of 1010 K/s–1012 K/s to make glassy alloys with different atomic configurations. Firstly, it is found that the increase in the cooling rate leads the Gaussian-type shear modulus distribution to widen, indicating the aggregations in both elastically soft and hard regions. After the primary evaluations, the elastostatic loading is also used to transform structural rejuvenation into the atomic configurations. The results indicate that the sample with intermediate structural heterogeneity prepared with 1011 K/s exhibits the maximum structural rejuvenation which is due to the fact that the atomic configuration in an intermediate structure contains more potential sites for generating the maximum atomic rearrangement and loosely packed regions under an external excitation. The features of atomic rearrangement and structural changes under the rejuvenation process are discussed in detail.
Asad Ali, Abid Zaman, Abdullah Hasan Jabbar, Vineet Tirth, Ali Algahtani, Aiyeshah Alhodaib, Ihsan Ullah, Sara J. Ahmed, and Mohammed Aljohani
American Chemical Society (ACS)
Solid solutions of Sr-doped barium nonatitanate (Ba2Ti9O20) ceramics were synthesized by a mixed oxide route, studied their structural, microstructural, optical, and microwave dielectric properties were studied. X-ray diffraction (XRD) has been used to reveal the structure and crystallite size of doped Ba2Ti9O20 ceramics. Rietveld refinements of XRD patterns revealed that all of the ceramics have a tetragonal structure with space group I4/m. The surface morphologies of all the samples were characterized by using scanning electron microscopy (SEM). Fourier transform infrared (FT-IR) studies gave the O–H and Ti–O modes of vibrations. The stretching modes of Ti–O and O–H were noted at 1400, 2960, 3700, and near to 440 cm–1, respectively. The band gap energy decreases with increasing Sr2+ contents, and a high value (2.12 eV) was observed in the base sample. The microwave dielectric properties of the ceramic samples were studied at different frequencies ranging from 1 to 2 GHz by using impedance spectroscopy. The obtained results showed the suitability of these samples for microwave dielectric resonator (antenna) applications.
Shahroz Saleem, Muhammad Hasnain Jameel, Azka Rehman, Muhammad Bilal Tahir, Muhammad Imran Irshad, Zhen-Yi Jiang, R.Q. Malik, Abdul Ahad Hussain, Ateeq ur Rehman, Abdullah Hasan Jabbar,et al.
Elsevier BV
Asad Ali, Abid Zaman, Muhammad Kamran Khan, Lamia Ben Farhat, Abdullah Hasan Jabbar, Karrar Mahdi Badi, Ihsan Ullah, Vineet Tirth, and Salman Khan
Springer Science and Business Media LLC
Azher M. Abed, Saade Abdalkareem Jasim, Maha M.A. Lashin, Mikhail N. Rodin, Mustafa Z. Mahmoud, Muneam Hussein Ali, Ismail Husein, Mustafa M. Kadhim, Adnan Hashim Abdulkadhim, Lakshmi Thangavelu,et al.
Elsevier BV