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Electrospinning Preparation of PAN/TiO2 Nanofibers and Photocatalytic Regeneration Properties for Methylene Blue dye 静电纺丝制备PAN/TiO2纳米纤维及其对亚甲基蓝染料的光催化再生性能
Journal of Kufa - Physics Pub Date : 2023-02-12 DOI: 10.31257/2018/jkp/2022/140210
Ali K. Abdullah, Farah M. Radee, Widad S. Hanoosh
{"title":"Electrospinning Preparation of PAN/TiO2 Nanofibers and Photocatalytic Regeneration Properties for Methylene Blue dye","authors":"Ali K. Abdullah, Farah M. Radee, Widad S. Hanoosh","doi":"10.31257/2018/jkp/2022/140210","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140210","url":null,"abstract":"The nanofiber membranes prepared by electrospinning method attracted the attention of researchers in the field of pollutant treatment due to their ease of manufacture, efficient performance and ease of removal. Some of these membranes lack the possibility of reuse due to low efficiency and high regeneration cost. In this paper, we were able to prepare nanofiber membranes from polyacrylonitrile (PAN) and PAN/TiO2 by adding different ratios (5,10 and 15) wt% of TiO2 respectively. The resultants nanofibers were characterized using Field Emission Scanning microscope (SEM), Fourier Transform Infrared spectroscopy (FTIR). These prepared membranes enable effective and complete degradation of MB dye in water using ultraviolet (UV) irradiation with the possibility of reuse and high efficiency after washing with distilled water. The efficiency is up to 98% when 15wt% TiO2 was used, while the degradation reaches to 83% when reused the nanofibers composite (PAN/TiO2). The work not only explains the possibility of using and reusing nanofiber films in the treatment of pollutants but also gives a detailed of understanding the behavior of the membrane in dye degradation.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85095630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electron collision with Ammonia and phosphine at wide range of energies 氨和磷化氢在大能量范围内的电子碰撞
Journal of Kufa - Physics Pub Date : 2023-02-06 DOI: 10.31257/2018/jkp/2022/140208
Ahlam Yassee, Ahmed Basil
{"title":"Electron collision with Ammonia and phosphine at wide range of energies","authors":"Ahlam Yassee, Ahmed Basil","doi":"10.31257/2018/jkp/2022/140208","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140208","url":null,"abstract":"The NH3 and PH3 molecules achieve differential electron elastic scattering cross-sections for energies ranging from 15 eV to 500 eV for ammonia and from 5 to 500 eV for phosphine. Calculations are performed using partial waveforms describing the target molecule using a single Hartree-Fock Molecular Function Center. The potentials used include a constant part—numerically obtained from quantum computation in addition to subtle effects such as correlation, polarization, and potential exchange,  results of this model clearly show the role of the exchange, as well as the contributions of correlation and polarization, especially at low scattering angles and incident energies. The differential cross-sections obtained were compared with a large amount of experimental data from the research, and good agreement was found. Throughout the scattering angles and power ranges examined here.\u0000http://dx.doi.org/10.31257/2018/JKP/2022/140208","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90285549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
No-Core optical fibers sensor for detecting hemoglobin concentration (HB) based on the Surface Plasmon resonance. 基于表面等离子体共振的无芯光纤血红蛋白浓度传感器。
Journal of Kufa - Physics Pub Date : 2023-02-06 DOI: 10.31257/2018/jkp/2022/140209
Mustafa H.Nida, Soudad S. Al-Bassam
{"title":"No-Core optical fibers sensor for detecting hemoglobin concentration (HB) based on the Surface Plasmon resonance.","authors":"Mustafa H.Nida, Soudad S. Al-Bassam","doi":"10.31257/2018/jkp/2022/140209","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140209","url":null,"abstract":"In this work, a fiber-optic biomedical sensor was manufactured to detect hemoglobin percentages in the blood. SPR-based coreless optical fibers were developed and implemented using single and multiple optical fibers. It was also used to calculate refractive indices and concentrations of hemoglobin in blood samples. An optical fiber, with a thickness of 40 nanometers, was deposited on gold metal for the sensing area to increase the sensitivity of the sensor. The optical fiber used in this work has a diameter of 125μm, no core, and is made up of a pure silica glass rod and an acrylate coating. The length of the fiber was 4cm removed buffer and the splicing process was done. It is found in practice that when the sensitive refractive index increases, the resonant wavelength increases due to the decrease in energy.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"75 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74803763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical fiber biomedical sensor based on surface plasmon resonance for Candida detection 基于表面等离子体共振的光纤生物医学传感器检测念珠菌
Journal of Kufa - Physics Pub Date : 2023-01-17 DOI: 10.31257/2018/jkp/v14.i02.10303
Huda Sahi, Soudad S. Al-Bassam
{"title":"Optical fiber biomedical sensor based on surface plasmon resonance for Candida detection","authors":"Huda Sahi, Soudad S. Al-Bassam","doi":"10.31257/2018/jkp/v14.i02.10303","DOIUrl":"https://doi.org/10.31257/2018/jkp/v14.i02.10303","url":null,"abstract":"In this work, optical fibers were designed and implemented as a medical sensor based on surface Plasmon resonance (SPR) to estimate different refractive indices and (Candida) concentrations and improve the endoscope's performance. Using multi-mode and single-mode optical fibers deposited by 40 nm thickness gold metal deposition for the sensing area, In practice, it was found that when the refractive index of the sensitive medium increases, the length of the resonant wave increases due to the decrease in energy.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"284 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80228451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of additional filters on radiation dose during chest radiography. 胸片造影时附加滤光片对辐射剂量的影响。
Journal of Kufa - Physics Pub Date : 2023-01-03 DOI: 10.31257/2018/jkp/2022/140206
S. Al-Murshedi, A. Mohammed Ali
{"title":"Influence of additional filters on radiation dose during chest radiography.","authors":"S. Al-Murshedi, A. Mohammed Ali","doi":"10.31257/2018/jkp/2022/140206","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140206","url":null,"abstract":"\u0000\u0000\u0000\u0000The goal of this study was to examine the impact of using additional aluminum (Al) and copper (Cu) filters on radiation dose during the adult chest x-ray examination. Adult chest phantoms without and with different slabs of animal fat were used for simulating underweight, overweight, and obese patients, respectively. Phantoms were examined without and with various levels of extra Al and Cu filtering over a range of exposure parameters. A dose area product (DAP) meter was used to measure the radiation dose. Results demonstrated that radiation doses were significantly reduced (p=0.001) when applying extra filters compared with no filters for all of the different phantom sizes. The highest reduction in radiation dosage was 38, 41, and 42 percent for underweight, overweight, and obese phantom size, respectively, by 1mm Al+0.2mm Cu. In conclusion, the use of extra filters in chest x-ray imaging provides an optimal  dose reduction choice regardless of the thickness of the chest region to be radiographed.\u0000\u0000\u0000\u0000\u0000DOI: http://dx.doi.org/10.31257/2018/JKP/2022/140206","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89885738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new approach to prepare nano hydroxyapatite from oyster shells used for dental applications 用牡蛎壳制备纳米羟基磷灰石的新方法
Journal of Kufa - Physics Pub Date : 2022-12-17 DOI: 10.31257/2018/jkp/2022/140205
Kifayah Aljaberi, Rafid M. AlBadr, Kareema M. Ziadan
{"title":"A new approach to prepare nano hydroxyapatite from oyster shells used for dental applications","authors":"Kifayah Aljaberi, Rafid M. AlBadr, Kareema M. Ziadan","doi":"10.31257/2018/jkp/2022/140205","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140205","url":null,"abstract":"HA (hydroxyapatite) is considered one of the biomaterials widely, it is applied in many applications like medical and dentistry. In this research, NHA powder was prepared from some natural source rich in calcium carbonate, it was prepared by calcination method at 1200 ℃ for 2 hours. The samples were diagnosed by using various diagnostic tests including scanning electron microscopy (SEM (, X-ray diffraction (XRD), Fourier transform infrared (FTIR), X-ray spectroscopy (EDX), and density measurements. The XRD results showed that HA as-prepared high purity and the crystallite size as around 63.561± 11.327 nm, while the particle sizes≈ 63 nm according to BET, also EDX clearly showed elements (Ca, P, O). As for the density of NHA, it was measured and found to be equal to (2.98±0.1) g/cm3. Characterization results (XRD, SEM, EDX, FTIR, and BET) showed the morphological and structural properties of the Hydroxyapatite.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"240 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72822746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural, Electrical and Sensing properties of Cd-doped ZnTe thin films, prepared by thermal evaporation method 热蒸发法制备镉掺杂ZnTe薄膜的结构、电学和传感性能
Journal of Kufa - Physics Pub Date : 2022-12-17 DOI: 10.31257/2018/jkp/2022/140204
Raghda M.A, Firas A. Najim
{"title":"Structural, Electrical and Sensing properties of Cd-doped ZnTe thin films, prepared by thermal evaporation method","authors":"Raghda M.A, Firas A. Najim","doi":"10.31257/2018/jkp/2022/140204","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140204","url":null,"abstract":"This study concentrates on the examination of the functional, electrical, and sensing qualities of ZnTe thin films that were prepared by the thermal evaporation method, with a thickness of 300 nm deposited on glass bases prior to annealing at a temperature of (350ºC). The influence of doping with cadmium (7%) on the structural, electrical, and sensing properties of dopant films was also investigated. The results of XRD showed that the pure and doped films were polycrystalline and cubic. According to the findings of the electrical properties of this study, the specific resistance decreases with increasing temperature. It was found that the sensitivity of ZnTe films rises upon doping and annealing, so the sensitivity was calculated.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"109 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72933284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physical Properties and Transmitted Sunlight of Polyvinyl Chloride/ZnO Nanocomposites Films 聚氯乙烯/ZnO纳米复合薄膜的物理性能及透过阳光的性能
Journal of Kufa - Physics Pub Date : 2022-12-17 DOI: 10.31257/2018/jkp/2022/140203
H. Ali, Mahasin F. Hadi Al- Kadhemy, Asrar Abdulmunem Saeed
{"title":"Physical Properties and Transmitted Sunlight of Polyvinyl Chloride/ZnO Nanocomposites Films","authors":"H. Ali, Mahasin F. Hadi Al- Kadhemy, Asrar Abdulmunem Saeed","doi":"10.31257/2018/jkp/2022/140203","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140203","url":null,"abstract":"The optical properties of polyvinyl chloride (PVC) and PVC/Zinc Oxide (ZnO) films were considered with different amounts of ZnONPs (0.001, 0.002, 0.003, 0.004 and 0.005) g. Using a Tetrahydrofuran (THF) solution all films be prepared by casting method. XRD results showed the amorphous structure of PVC film and Hexagonal crystalline structure of ZnO NPs, PVC/ZnO nanocomposites appear as pattern of PVC films so the peaks of ZnO don’t appear in it. FESEM image of PVC, ZnO and structure of PVC/ZnO nanocomposites seems to have cluster aggregates in different size. FTIR spectra revealed that ZnONPs had no effect on the polymer structure as there are no covalent bonds between PVC and ZnO NPs. Increasing the amounts of ZnONPs was seen to improve the optical properties (Absorbance, absorption coefficient and extinction coefficient) for PVC polymer. PVC polymer transmittance and energy gap decreased from 5.25 eV to 4.98 eV with increasing the amounts of ZnO NPs in nanocomposites. The solar radiation intensity in Baghdad was measured at a rate of 1 hour for the pure PVC films and PVC/ZnONPs for seven consecutive days in a rate from 6 A.M. to 6 P.M. (13 h). As can be observed, all films have the same ratio of transmitted radiation strength to sunlight intensity for all hours and days.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"99 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77869651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studying the Fluorescence Resonance Energy Transfer Between Two Dyes of Laser in an Aqueous Solution 水溶液中两种激光染料间荧光共振能量传递的研究
Journal of Kufa - Physics Pub Date : 2022-12-15 DOI: 10.31257/2018/jkp/2022/140201
Yusser R.Mohammed, Waled S. Abdullwahab
{"title":"Studying the Fluorescence Resonance Energy Transfer Between Two Dyes of Laser in an Aqueous Solution","authors":"Yusser R.Mohammed, Waled S. Abdullwahab","doi":"10.31257/2018/jkp/2022/140201","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140201","url":null,"abstract":"In the past quarter century, applications of fluorescence resonance energy transfer (FRET) have grown dramatically, and the technology has become an indispensable tool in a wide variety of biological and biophysical domains.  It is utilized, in order to acquire information on the conformational changes that occur in single molecules. By utilizing the fluorescence correlation spectroscopy, the pharmaceutical sector has also built huge fluorescence detection systems with extremely small sample sizes, reaching down to the level of single molecules. The fluorescence resonance energy transfer (FRET) between the two dyes, Acriflavine (Acf) and Rhodamine B (RhB), were examined in solution. Energy transfer was observed in fluorescence resonance imaging solutions containing Acriflavine and Rhodamine B with different concentrations of the acceptor RhB dye in the range of (1.5×10-5 M  to 3.5×10-5M). Studies using Both UV–Vis absorption and fluorescence spectroscopy demonstrated that the two dyes, when dissolved in solution, appear largely as monomers.","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79681759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of electron temperature (Te) and electron density (ne) of ZnO RF plasma ZnO射频等离子体电子温度(Te)和电子密度(ne)的测量
Journal of Kufa - Physics Pub Date : 2022-12-15 DOI: 10.31257/2018/jkp/2022/140202
Mustafa Haydar, Abdulhussain A. khadayeir
{"title":"Measurement of electron temperature (Te) and electron density (ne) of ZnO RF plasma","authors":"Mustafa Haydar, Abdulhussain A. khadayeir","doi":"10.31257/2018/jkp/2022/140202","DOIUrl":"https://doi.org/10.31257/2018/jkp/2022/140202","url":null,"abstract":"In this study, the ratio method between the two spectral lines was used to calculate the electron temperature (Te) and the density (ne) of argon gas for a zinc oxide (ZnO) cathode using the spectroscopic method. These parameters were calculated at various pressure and powers parameters (0.03,0.04,0.05,and 0.06 torr) and (50,60,70 and 80 W). The results revealed  that while the temperature (Te) increase of the electron with increased power and falls with increasing pressures, the density (ne) of the electrons increases with both power and pressure increases. The measured temperature of the electrons (Te) was within the range of (0.372-0.422 eV).Regarding the electron density (ne), it was in the range of  (1.6×1017-7.8×1017 cm-3).","PeriodicalId":16215,"journal":{"name":"Journal of Kufa - Physics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76576064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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