Biopolymers are a prominent class of functional materials ideal for high-value applications, and they fascinate researchers and experts from various fields. Polymers are flexible building blocks in many chemical combinations and blend to... more
Biopolymers are a prominent class of functional materials ideal for high-value applications, and they fascinate researchers and experts from various fields. Polymers are flexible building blocks in many chemical combinations and blend to create composite materials with complementary qualities. The biomedical use of polymeric biomaterials was analyzed scientifically and technologically in this study, along with a compilation of their uses, manufacture, mechanical qualities, and key characteristics for the biomedical sector. The volume of scholarly publications and patents demonstrates the current knowledge of polymeric biomaterials. These biomaterials may now supplement, strengthen, or perform a particular role in the human body. Immune reactions persist due to the complexity of biological systems, impeding the growth of tissues and functioning organs in a laboratory setting.
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Biopolymers are a prominent class of functional materials ideal for high-value applications, and they fascinate researchers and experts from various fields. Polymers are flexible building blocks in many chemical combinations and blend to... more
Biopolymers are a prominent class of functional materials ideal for high-value applications, and they fascinate researchers and experts from various fields. Polymers are flexible building blocks in many chemical combinations and blend to create composite materials with complementary qualities. The biomedical use of polymeric biomaterials was analyzed scientifically and technologically in this study, along with a compilation of their uses, manufacture, mechanical qualities, and key characteristics for the biomedical sector. The volume of scholarly publications and patents demonstrates the current knowledge of polymeric biomaterials. These biomaterials may now supplement, strengthen, or perform a particular role in the human body. Immune reactions persist due to the complexity of biological systems, impeding the growth of tissues and functioning organs in a laboratory setting.
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Covid-19 is a disease that affects the respiratory system of the human body, and detecting this disease is a complex and one of the main challenges. This work proposed a technique for detection of COVID-19 by integrating multifocal images... more
Covid-19 is a disease that affects the respiratory system of the human body, and detecting this disease is a complex and one of the main challenges. This work proposed a technique for detection of COVID-19 by integrating multifocal images based on wavelet transduction. In order to improve the detection of COVID-19, Magnet resonant imagery (MRI) and computation tomography (CT) have been used. The multifocal image is included in order to support the diagnosis made by the clinicians. The seven-wave based algorithm bior2.2, coif2, db2, dmey, rbio2.2, sym4 and haar, respectively, was used to achieve a range of results. This approach effectively combines the data obtained from CT and MRI scans to produce a merged image that improves disease diagnosis efficiency by using MATLAB to determine the efficiency of the algorithm. The signal-to-noise ratio (PSNR) and the entropy factor are used to measure the image fusion efficiency. The statistical analysis of the final images demonstrated the su...
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In this work, a modern optical system based on modulation technique is constructed to achieve the retrieval of optical defects and distortions of the images behind dark barriers. A 800x600 analog spatial light modulator (SLM) is... more
In this work, a modern optical system based on modulation technique is constructed to achieve the retrieval of optical defects and distortions of the images behind dark barriers. A 800x600 analog spatial light modulator (SLM) is used in this technique with a 632.8nm He-Ne laser, a circular metallic mesh (CMM) is imaged and disturbed and then dealing with our system. The SLM was confirmed for irregularity improvement such as variable diffracted optical element (DOE) control. The obtained results showed that the effect of distortion has been treated and reduced to be minimum by controlling phase and amplitude modulation of the scattered wave front utilizing the SLM. The obtained images showed identical to the original image with limitation in the intensity distribution due to the pixelated structure of SLM. This technique represents the most appropriate solution to the problem of dispersion in images with the lowest costs and best results. The most important applications of thi...
The Homoclinic chaos generation by optoelectronic feedback of semiconductor devices, modeling approach العراق جمهورية العلمي والبحث العالي التعليم وزارة العلوم كلية بغداد/ جامعة اعادة بواسطة المتناظر الشواش لتوليد تقريبي نموذج الكهروضوئي التيار الموصل شب...more
In this work, a contemporary optical system is designed using a technology of spatial light modulator (SLM). This system is depending on the ability of altering light beam into different optical patterns according to a signal feedback... more
In this work, a contemporary optical system is designed using a technology of spatial light modulator (SLM). This system is depending on the ability of altering light beam into different optical patterns according to a signal feedback injected computationally to the SLM. The effects of control parameters on the SLM operation are studied such us brightness (B) which determines the constant DC voltage applied to SLM pixels, and contrast (C) determines the maximum AC voltage amount that can be applied to the SLM. The influences of the transmission linearity of image intensity are controlled by the gamma adjustment which can be used to align non linearity of image intensity. The grey scale is used to control and imagine which signals corresponding to grey levels and image location. The resolution and orientation of the obtained images are altered by the screen format to make optical experiments more satisfied, hence different ratios of amplitude and phase modulation can be understood.
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This overview summarizes the physical interpretation of chaos phenomenon and the most fundamental principles of Laser chaos generation by using optical feedback technique, the significant characteristics of deterministic chaos technique... more
This overview summarizes the physical interpretation of chaos phenomenon and the most fundamental principles of Laser chaos generation by using optical feedback technique, the significant characteristics of deterministic chaos technique are mentioned with the moves from ordered state to the chaotic state. The description of the semiconductor lasers used to generate this phenomenon is studied with the multiple instances of laser performance before and after reaching chaos. The most important contemporary applications of chaos are in secure communication and Secure transmission digital images. The first section in your paper
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Internet of nano things (IoNT) is a new and modern part of the internet of things (IoT). Applications that operate in the field of nano scale show a new advantage in communication networks. IoNT opened the door to many applications in... more
Internet of nano things (IoNT) is a new and modern part of the internet of things (IoT). Applications that operate in the field of nano scale show a new advantage in communication networks. IoNT opened the door to many applications in various fields with new features derived from the advantages of nanotechnology. In this work, a description of the IoNT during 2015-2021 was achieved, including taxonomy, architecture, motives, applications and challenges, in addition to recommendations. The architecture of the IoNT and the most important technologies used in Nano communication networks have been identified, with an indication of the advantages of each. This study, we hope, will make a contribution to this field of science, thus contributing to providing assistance to researchers in this emerging field and covering the challenges they face in this way. That would permit communication between nano-devices to be conventional, making these calibrations to be implemented in various IoNT ap...
In this work, linear and nonlinear optical properties of two types of Iraqi heavy crude oil extracted from fields in southern Iraq were determined. The nonlinear optical properties were measured utilizing Z-scan technology with He-Ne... more
In this work, linear and nonlinear optical properties of two types of Iraqi heavy crude oil extracted from fields in southern Iraq were determined. The nonlinear optical properties were measured utilizing Z-scan technology with He-Ne laser at 632.8 nm. It was found that nonlinear refractive index (NLR) values for the Basra and Kut heavy crude oil samples are 6.34381×10 -4 and 8.25108×10 -4 cm 2 /mW, respectively, while those for the nonlinear absorption coefficient (NLA) are 2.68942×10 -5 and 2.58874×10 -5 , respectively. These results showed that the two samples with linear and nonlinear optical properties can be used in optics field applications as optical limiter devices at a wavelength of 632.8 nm.
Iraqi oil crudes have some of the physical and chemical characteristics that distinguish it from other types of oil crudes in the world. Some of these features such us molecular composition, rheological, viscosity and emulsions are... more
Iraqi oil crudes have some of the physical and chemical characteristics that distinguish it from other types of oil crudes in the world. Some of these features such us molecular composition, rheological, viscosity and emulsions are studied carefully by researchers. In this work, a comparative study of the linear and the non-linear optical properties for typical heavy and light crude oils of Iraqi origin was studied utilizing Z-scan technique. The He -Ne laser of wavelength 632.8 nm had been used for this purpose. These samples were collected from Basra and Kut oil fields. The values of the non-linear refractive index (n2), non-linear absorption coefficient (β), and third-order electrical susceptibility (χ3) were estimated respectively. The obtained results show that Iraqi oil has a significant linear and non-linear optical properties.