Asaad Hamid Ismail

Salahaddin University - Erbil | SUH · Department of Physics

Objective: To study the impact of micro-alpha irradiation collimator with a specific design to irradiate specific normal or up-normal cells using capillary tubes and nuclear track detector type CR-39. Method: The in vitro experimental study was conducted at radiobiology Lab, of the Physics department, Salahaddin University, Erbil, Iraq from Februar...

The purpose of this study was to assess the environmental radiological hazards associated with elevated levels of radon gas in drinking water. Using passive (CR-39 plastic detector) and active (RAD 7) detectors, the radon levels in the air and drinking water (tap water) of 124 homes in 31 distinct locations in Iraqi Kurdistan were determined. Almos...

Radioiodine (I 131) therapy is a clinically established method for hyperthyroidism treatment. The most suitable dose for successful treatment is still controversial since it is affected by several factors. Thus, there are two techniques for proper dose adjustment; Fixed and calculated. This study aims to evaluate the response difference of hyperthy...

This paper presents the results of radon level in drinking water in Erbil governorate and its districts. The measurements were carried out on 42 samples (tap water) of 21 major areas, and alpha track detectors (type CR-39) were used for the estimations. The average values for radon concentration of tap water were variable from the district to anoth...

Magnetic resonance imaging (MRI) Gadolinium-Containing contrast agents are used in combination with MRI in some situations. The effects of gadolinium-based MRI contrast agent (MAGNEVIST® Gadopentetate Dimeglumine Injection Bayer Standard 469 mg/ml (0.5 mmol/ml) on some hematological and biochemical tests for human male volunteers have been investig...

Element concentration (ppm) in some samples of livestock and poultry bones has been measured using the X-ray fluorescence (XRF) technique. The study included an evaluation of the concentration of more than 20 elements in bone samples It has focused on the impacts of the freezing process on the concentration of elements The results demonstrated that...

This study was undertaken to investigate the influence of static magnetic field (SMF) on bone marrow cellular density (BMCD) variation proportionally to bone trabeculae. Female albino Wistar rats exposed with 2.4 ± 0.2 millitesla for 1–4 weeks duration continuously versus 1 h, 2 h, 6 h, and 8 h/day. Trephine biopsy of femurs bone was examined under...

Introduction: The influence of electric field on the nature of blood flow and cells is controversial. Erythrocytes sedimentation rate (ESR) examination is a recommended approach to diagnose a few health conditions such as polymyalgia rheumatic and temporal arteritis. Aim: In this study, we aimed to evaluate the effect of electric field on ESR of hu...

Introduction: The influence of electric field on the nature of blood flow and cells is controversial. Erythrocytes sedimentation rate (ESR) examination is a recommended approach to diagnose a few health conditions such as polymyalgia rheumatic and temporal arteritis. Aim: In this study, we aimed to evaluate the effect of electric field on ESR of hu...

Fabrication of alpha irradiation technique has been fabricated using CR-39 nuclear track detector, medical injection pin, and micro capillarity tubes. Optimum alpha irradiation parameters (time of irradiation and alpha energy) were used to study the impacts of the low density of accumulated alpha particles on the percentages of lymphoblast cells (B...

This study proved a relationship between levels of natural radioactivity concentrations and element concentration (ppm) in tooth samples with the ethnic groups using high purity germanium (HPGe) detector and X-ray fluorescence spectrometers (XRF), respectively. The evaluations have been done for 60 tooth samples for different ethnic groups (Kurd, A...

This study aims to evaluate occupational radiation doses inside and outside the houses that have used remnants of depleted uranium weapons (RDUW) to establish the roofs of their house and estimating their risks to the population health. Survey radiation dosimeter used to estimate average radiation doses inside and outside the houses with RDUW (25ho...

ICRS 14/RPSD 2022

Abstract Radioactive concentration of the 226Ra, 232Th, and 40K radionuclides evaluated in the samples of beach sand using high purity germanium (HPGe) detector for 15 locations. Health risks have been determined regarded on the levels of radioactivity concentration of each sample. Sand samples have been processed using standard procedures of the r...

The effects of annual exposure radiation doses on the some biochemical {alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma-glutamyltransferase (GGT), and uric acid (UAC)} and hematological parameters (white blood cells (WBCs), red blood cells (RBCs), and plate count (PLT)) of radiographer's blood samples from some Erbil Hospitals hav...

In this study, the influence of the static magnetic field (SMF) on blood platelets (PLTs) has investigated in-vivo experiments. Female albino rats exposed to the magnetic field for 1hr, 2hrs, 4hrs, 6hrs and 8hrs per day during 1-4 weeks. Platelet counts did not vary significantly for 1hr of exposure. The 2hrs/day exposure for 1 week and 6hrs/day ex...

A relationship between natural radioactivity concentrations and ethnic type has investigated in the human tooth using high purity germanium (HPGe) detector. Tooth samples (20 samples) collected from male non-smokers at private and public dental clinics located in Erbil city center for four ethnic types of population living in the Kurdistan Regain/...

This study aimed to investigate the in-vivo effect of a static magnetic field (SMF) on blood falling time and velocity in a capillary tube. We generated a magnetic field using Helmholtz coils. We exposed rats with 2.4±0.2mT for a duration of one-four weeks and 1-8hrs/day. Blood samples were withdrawn and passed through a capillary viscometer under...

In this study, we investigated the effect of the static magnetic field (SMF) on white blood cells (WBCs) for female albino rats using a fabricated exposure system of SMFs. Five main groups of animals exposed to 2.4±0.2 milli-Tesla (mT) for four weeks continuously. Five main groups (each group = 4 subgroups) have exposed to a different time of expos...

This study was undertaken to investigate the influence of a homogenous and uniform static magnetic field (SMF) on the main blood cell counts in vitro experiment. Fresh blood samples were collected from albino rats and exposed to SMF (2.4, 6, 25, 50, 75, and 100 mT) versus 15–60 min. Results showed a significant change of blood counts under the low...

Impacts of different materials (cartoon, PVC, wood, plastic, iron, glass, and Mild steel)) on the intensity of a uniform static magnetic fields (SMF) proved through designing a multi Helmholtz coil connected in series. The design provided a magnetic field ∼ 4 mT depended on applied currents and the distance between the coils, also it has provides a...

The present study was undertaken to investigate the influence of the static magnetic field (SMF) on the platelets and red blood cells counts (RBCs), haemoglobin (HGB), haematocrit (HCT), mean cell volume (MCV), mean corpuscular haemoglobin (MCH) and mean corpuscular haemoglobin concentration (MCHC) in female rats (in-vitro). The results were analys...

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Background: Magnetic field has being used in diagnostics for decades such as MRI. Sources of magnetic field were found in electronic devices and may emit extremely low intensity of magnetic field. Beside the daily use of electronic devices, there are some concerns regarding to side effects of magnetic field produces on living cells. Main Blood cell...

A model has been developed for the calculation of the Radon activity concentration in indoor air, taking into account all the different important parameters responsible of the global Radon dynamics, from its generation into the source (soil, water or building material) to its accumulation in confined spaces. The Radon accumulation into buildings is...

Radiological Protection of Operators and Auditors as a Result of CT Scan Radiation Leakage: Iraqi Kurdistan Hospitals Sardar P Yaba (1) , Asaad H. Ismail(1) ,Ronak T. Ali(2), and Hewa H. Aziz(1) (1)Medical Physics, Physics Department, Education College, University of Salahaddin-Erbil, Iraqi Kurdistan, IRAQ (2)Medical Physics, College of Medicine,...

Rate of radiation leakage from the CT-Scan rooms has measured for 10 public Hospitals in Iraqi Kurdistan, using radiation survey dosimeter. Annual exposure dose considered as a main factor to asses risks of that leakage on the health of operators and auditors. Average leakage dose measured at the control room, table of operators, the main doors, an...

Inhalation of radon (222 Rn) and daughter products are a major source of natural radiation exposure. Measurement of indoor radon concentrations were performed in the two hundred rooms for the 25 apartments in Erbil city by using long term technique (CR-39 SSNTDs) for 90 days exposure time and short term technique (radon monitor) for 2 hours exposur...

Abstract Present research includes the measurements of an internal background radiation exposure doses inside the thirty two of hospitals and health centres of Iraqi Kurdistan. The effects of annual exposure dose on the worker’s and patient’s health as well have been estimated. Survey radiation dosimeters (Inspector Ext) used to measure internal ra...

In order to assess effects of long term exposure of radon gas, CR-39NTDs exposed to indoor radon during summer season in the rest halls (ground floor) of 20 selected Kindergartens of the districts of Koya, Iraqi Kurdistan. Ventilation rate affect on the results of indoor radon concentration for each kindergarten. Good ventilation got a low level of...

In order to assess effects of long term exposure of radon gas, CR-39NTDs exposed to indoor radon during summer season in the rest halls (ground floor) of 20 selected Kindergartens of the districts of Koya, Iraqi Kurdistan. Ventilation rate affect on the results of indoor radon concentration for each kindergarten. Good ventilation got a low level of...

Introduction: To improve laser hair removal (LHR) for dark skin, the fluence rate reaching the hair follicle in LHR is important. This paper presents the results of a comparative study examining the function of wavelength on dark skin types using 755 nm alexandrite and 810 nm diode lasers. Methods: The structure of the skin was created using a rea...

Radon alpha activity concentration has been measured in 8 public hospitals in the three main governorates: Erbil, Duhok and Sulaymaniya-Iraqi Kurdistan region during two seasons summer and winter by using CR-39 nuclear track detectors. The CR-39 detectors were placed in the all hospitals for three floors (ground, first and second).. The highest ave...

Experimental results concerning the radon concentration and radon exhalation rate from samples of building materials which were collected from the Iraqi Kurdistan using passive and active detecting techniques. the passive techniques, was used (CR-39NTDs) for a period of 2 month in each measurement. In the active techniques, was used (RAD7) for a d...

Environmental radiation exists as a consequence of cosmic, terrestrial and man-made sources. The measurements of radon concentration inside 8 public hospitals in the three main governorates: Erbil, Duhok and Sulaymaniya in Iraqi Kurdistan Region, during two seasons spring and autumn by using CR-39 nuclear track detectors. The highest average radon...

Rate of radiation leakage from the CT-Scan rooms was measured for 10 public hospitals in Iraqi Kurdistan, using radiation survey dosimeter. Annual exposure dose was considered as a main factor to asses risks of that leakage on the health of operators and auditors. Average leakage dose was measured at the control room, table of operators, the main d...

Rate of radiation leakage from the CT-Scan rooms was measured for 10 public hospitals in Iraqi Kurdistan, using radiation survey dosimeter. Annual exposure dose was considered as a main factor to asses risks of that leakage on the health of operators and auditors. Average leakage dose was measured at the control room, table of operators, the main d...

Exposure to natural sources of radiation, especially 222 Rn and its short-lived daughter products has become an important issue throughout the world because sustained exposure of humans to indoor radon may cause lung cancer. Therefore, indoor radon concentration levels have been measured inside 8 government hospitals in three main regions (Erbil...

Exposure to natural sources of radiation, especially 222 Rn and its short-lived daughter products has become an important issue throughout the world because sustained exposure of humans to indoor radon may cause lung cancer. Radon alpha activity concentration has been measured inside eight (8) Government hospitals in three main regions (Erbil, D...

An impact of floor levels and geological formation on the concentrations of indoor radon and its progeny studied inside 8 hospitals and for three floor levels: ground, first and second. Locations of the selected hospitals had different geological formation and located in three main governorates: Erbil, Duhok and Sulaymaniya. Nuclear track detector...

Complete blood counts were analyzed for 12 samples (six male & six female: Ages 15-40 years) of leukemia blood Samples for different dose rate and time of exposure using a Radium-226 source. Thus, an optimum time of exposure and exposure dose rate has improved for leukemia blood samples. Blood samples fractionated and placed in plastic wills, and m...

This work presented new irradiation technique to estimate the impact of radon's progeny deposition on the human blood surface on some blood diseases, using CR-39 Nuclear Track Detectors (NTDs). The results show that the present design has good efficiency and the loss rate of radon concentration was a little. Amount of the loss of radon concentratio...

The effect of low power 0.95 mW He-Ne laser irradiation (λ = 632.8 nm) on the subpopulations of human blood parameters such as hemoglobin concentration (HGB), mean cellular volume of red blood cell (MCV), and mean cellular hemoglobin (MCH) were investigated by electronic sizing at the Wellness Centre of Universiti Sains Malaysia (USM). These parame...

The aim of this study is to estimate risks of inhalation dose (543±26.87B/m3) of indoor radon gas on a lung cancer for the exposed Rabbits by using a histological method. For this purpose, new exposure technique equipped with the nuclear track detectors type CR-39 (CR-39NTDs) has been designed to expose the Rabbits for 90 days. To get an optimum ti...

The relation between human blood parameter, Hematocrit (HCT) with human age, gender before and after irradiation with low power He-Ne laser (0.95 mw, λ=632.8 nm) has been studied . The relationships were obtained by finding patterns, centroid and peak positions, and flux variations. This findings show that beam parameter, flux peak was very much co...

Due to the low dose absorption in epidermis layer in photodynamic therapy (PDT) and non-ionizing interaction, red laser 635 nm wavelengths radiation proved to be a potential tool for propagating laser in skin. The laser enable sufficient amount of light to penetrate biological tissue and activate the dyes for treatment of superficial skin diseases....

In this study, an attempt has been made to differentiate between photodynamic dose for the persons with various color hairs by analyzing a hair parameter of light reflected from the skin surface and epidermis by absorption and scattering with chromophore. Furthermore, the purpose of this study was to show the effect of hair color and laser in skin...

The aim of this study was to assess an environmental hazard of radon exhalation rate from the samples of soil and drinking water in selected locations in Iraqi Kurdistan, passive (CR-39NTDs) and active (RAD7) detecting techniques has been employed. Long and short term measurements of emitted radon concentrations were estimated for 124 houses. High...

Proper amount of radon gas (30±3.11KBq/m3) collected in a tight PVC container with the appropriate engineering dimension using two sources of Radium (5μCi). Complete blood test and the computer scanning for each piece of CR-39NTDs have done before and after exposure to radon concentration (2210±5.1Bq/m3). The results show that the present design ha...

Information concerning energy deposition during laser therapy of skin is needed to comprehend and asses the results of clinical procedures in dermatology. The prupose of this study is to show an optical model that predicts infection dose for the skins in different hair density and which can be used to explore whether parameteres of hair on the skin...

Complete blood counts were analyzed for 30 samples of human blood with radiation dose rate ranging between 10 and 41 μSv/h using a Radium-226 source with different time of exposure. A new technique involving a nuclear track detector type CR-39(CR-39 NTDs) was used to estimate the alpha particle density incident on the blood samples. The results sho...

Abstract—Risks evaluation of alpha particles deposition on human blood has been performed by using new exposure techniques of CR-39 NTDs. The method of distribution of alpha particles and radiation dose on the surface of CR-39 NTDs showed that human blood samples have significantly improved. Platelet (PLT), red blood cells (RBC) and white blood cel...

Aim of this work is to design and select optimum dimension of a radon and thoron dosimeter within the measure optimum value of the calibration factor, using CR-39 Nuclear Track Detectors (NTDs). The results show that the best dimension to detect and measure real values of airborne radon and thoron concentrations is 6 cm and 7 cm for diameter and he...

This study aimed to investigate the different power effects induced by a laser diode at wavelength 635 nm in epidermis layer for dark and light skin. Furthermore, it has been assessed the absorption power per unit volume in both types of the skin. The phantom for two types of skin, dark and light were generated by the ASAP program. Computer modelin...

The relationship between annual effective dose, ventilation rate and the rate of male infertility in selected locations in the Iraqi Kurdistan region was studied using the bedrooms of 124 homes of men whose fertilities were determined using a CR-39 nuclear track detector. The results show that there is an exponential relation between annual effecti...

In this study, indoor radon concentration (CRn), annual effective dose (mSv.y-1) and estimate of lung cancer risks have been studied inside 124 dwellings at 31 different locations in Iraqi Kurdistan using 248 pieces of CR-39 nuclear track detectors . The results show that the average radon concentration was equal to (143.77±±46.105) Bq.m-3. The dis...

The aim of this study is to design radon irradiation technique in the field of hematology for an invitro study. In addition, deposit of alpha particles into the human blood surface and its effects on the thrombocytopenia estimated using nuclear track detectors (NTDs). In this technique, amount of radon gas (2210±5.1Bq/m 3) collected in a tight PVC...

The process of laser absorption in the skin during laser irradiation was a critical point in medical application treatments. Delivery the correct amount of laser light is a critical element in photodynamic therapy (PDT). More amounts of laser light able to affect tissues in the skin and small amount not able to enhance PDT procedure in skin. The kn...

This study aims to assess the environmental hazards from radon exhalation rate in the soil samples in selected locations in Iraqi Kurdistan, using passive (CR-39NTDs) and active (RAD7) detecting method. Radon concentration, effective radium content and radon exhalation rate were estimated in soil samples that collected at the depth level of 30 cm i...

The main relation between efficiency of CR-39 nuclear track detector from different produced companies, critical angle for track revelation (θC) and bulk etch rate (VB) have been stayed.Computer program TRACK_TEST was used for calculating track parameters and plotting profiles for etch pits in nuclear track materials.The results showed that for any...

For measuring response of CR-39 nuclear track detectors (calibration factor; K) and for estimating an optimum dimensions of radon dosimeters, our dosimeters (different shape and size) equipped with CR39 (two pieces for each dosimeter) and covered with sponge member (0.5 cm), and then exposures to known integrating radon concentration in radon chamb...

Abstract Different thicknesses of 50 samples of commercially CR-39 Solid State Nuclear Track Detectors (SSNTDs) have been prepared with different ages and from different produced companies. Track parameters and plotting profiles, using computer program TRACK_TEST ware calculated. Detector efficiency has been found to be depends strongly on the crit...

This paper presents the results of radon level in drinking water in Erbil governorate and its districts. The measurements were carried out on 42 samples (tap water) of 21 major areas, and alpha track detectors (type CR-39) were used for the estimations. The average values for radon concentration of tap water were variable from the district to anoth...

For measuring response of CR-39 nuclear track detectors (calibration factor; K) and for estimating an optimum dimensions of radon dosimeters, our dosimeters (different shape and size) equipped with CR39 (two pieces for each dosimeter) and covered with sponge member (0.5cm) , and then exposures to known integrating radon concentration in radon chamb...

The effect of alpha particles of radium source in inducing platelet damage was investigated in vitro via a new irradiation technique. Alpha particle doses used to irradiate whole human blood samples, using a new technique of nuclear track detectors (NTDs) type CR-39. The results show that the platelet count (PLT) reduced with increasing of the dose...