http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Monkeypox: A Review of Outbreaks and On Re-emergence
Ahmed Iftikhar,Kalita Jitu Mani,Hazarika Jyoti 대한미생물학회 2024 Journal of Bacteriology and Virology Vol.54 No.2
Monkeypox (Mpox) is a re-emerging zoonotic disease caused by Monkeypox virus. Several countries in the world have been reported Mpox outbreak recently besides West and Central Africa where it is an endemic disease which is a warning signal and it becomes a global public health concern. The infection can be transmitted from one infected person or animal to another. Fever, rash and lymphadenitis are the most common symptoms. Smallpox vaccines can be used for prevention of Mpox along with general measures. This review article covers the epidemiology, current outbreak and preventive measures of Mpox.
Iftikhar Ahmad,Sharjeel Ahmed,Tayyab Subhani,Khalid Saeed,Mohammad Islam,Nannan Wang,Yanqiu Zhu 한국물리학회 2016 Current Applied Physics Vol.16 No.12
Synergic role of 2 wt% MWCNTs and 5 wt% SiC nanoparticles on the structure and properties of the hybrid alumina nanocomposites fabricated through fast sintering route was studied. The hybrid nanocomposite demonstrated fourfold reduced grain size with substantial improvement in fracture toughness (110%) and hardness (30%) against bench-marked monolithic Al2O3. Fine-grained microstructure and the harder SiC nanoparticles led hybrid nanocomposite to superior hardness while better toughness was attributed to the synergic toughening mechanisms induced by the 0D SiC nanoparticles and 1DMWCNTs. The stability of MWCNTs and SiC nanoparticles and their interfaces with Al2O3 matrix were appraised by combined electron microscopes.
Proliposome powder or tablets for generating inhalable liposomes using a medical nebulizer
Khan Iftikhar,Yousaf Sakib,Najlah Mohammad,Ahmed Waqar,Elhissi Abdelbary 한국약제학회 2021 Journal of Pharmaceutical Investigation Vol.51 No.1
Purpose The aim of this study was to develop and compare proliposome powder and proliposome tablet formulations for drug delivery from a Pari-LC Sprint nebulizer. Methods Proliposome powders were prepared by the slurry method and sorbitol or mannitol carbohydrate carrier were used in a 1:10 and 1:15 w/w lipid phase to carrier ratio. Beclometasone dipropionate (BDP; 2 mol%) was incorporated in the lipid phase. Proliposome powders were compressed into tablets, and liposomes were generated from proliposome powders or tablets within the nebulizer reservoir for subsequent aerosolization. Results Comparatively, shorter sputtering times were reported for the tablet formulations (≈ < 2.7±0.45 min), indicating uniform aerosolization. Post-nebulization, liposomes size was larger in the nebulizer reservoir in the range of 7.79±0.48 μm–9.73±1.53 μm for both powder and tablet formulations as compared to freshly prepared liposomes (5.38±0.73 μm–5.85±0.86 μm), suggesting liposome aggregation/fusion in the nebulizer’s reservoir. All formulations exhibited more than 80% mass output regardless of formulation type, but greater BDP proportions (circa 50%) were delivered to the Two-stage Impinger when tablet formulations were used. Moreover, the nebulized droplet median size and size distribution were lower for all tablet formulations in comparison to the powder formulations. Proliposome tablet and powdered formulations demonstrated the ability to generate vesicles that sustained the release of BDP. Conclusion Overall, this study showed that proliposome tablets could be disintegrated within a Pari-LC Sprint nebulizer to generate inhalable aerosol, with high drug output and hence can be manufactured on large scale to overcome the storage problems associated with powder formulations.
Improved photocatalytic degradation efficiency of methylene blue via MgAl2O4–graphene nanocomposite
Ali Ahmed,Gul Iftikhar Hussain,Khan Muhammad Zarrar,Javaid Farhan 한국세라믹학회 2023 한국세라믹학회지 Vol.60 No.2
In the present work, Magnesium Aluminate (MgAl2O4) nanoparticles and MgAl2O4–graphene nanocomposites with various graphene weight percentages (1, 2, 3, 4, and 5%) were prepared via sol–gel and ultra-sonication methods, respectively. The formation of the spinel phase was confirmed through XRD analysis. Scanning Electron Microscopy was used to study the morphology of the MgAl2O4 nanoparticles and their anchoring on the graphene sheets. The FTIR analysis also confirmed the presence of tetrahedral and octahedral bands at 695 and 526 cm−1, respectively. For magnesium aluminate nanoparticles, the bandgap was calculated to be 5.4 eV, which decreases to 4.9 eV with 5% graphene loading on the MgAl2O4–graphene nanocomposites. For methylene blue dye, the degradation efficiency of the 5% MgAl2O4–graphene nanocomposites was also found to be higher (90%) as compared to the pristine MgAl2O4 nanoparticles (70%). This increase in efficiency depicts their enhanced photocatalytic activity and strongly suggests that the MgAl2O4–graphene nanocomposites could be a good candidate for industrial wastewater remediation.
Khalid, Nauman,Ahmed, Iftikhar,Latif, Malik Shah Zaman,Rafique, Tariq,Fawad, Sardar Atiq The Korean Society for Applied Biological Chemistr 2014 Applied Biological Chemistry (Appl Biol Chem) Vol.57 No.3
Allium species are considered to be one of the world's oldest cultivated vegetables. Most commonly used species of garlic in Pakistan and India is Allium sativum, while Allium tuberosum is mainly consumed and cultivated in China, Southeast Asia, and North-east part of India. The present study was conducted to compare the antimicrobial activity, nutritional value and antioxidant profile of Allium sativum and Allium tuberosum. The outcome indicates that Allium tuberosum have slightly higher antimicrobial activity, higher mineral profile, and enriched in antioxidants in comparison with Allium sativum. The highest antimicrobial activity of Allium tuberosum was noticed against Staphylococcus aureus and Bacillus subtilis with 43.9 and 40.7 mm zone of inhibition using 100% extract. Allium tuberosum contains high contents of calcium ($28.662{\pm}.00mg/100g$), potassium ($10.62{\pm}0.50$) and zinc ($59.00{\pm}1.00$). Allium tuberosum also showed higher antioxidant activity ($0.24{\pm}0.03mg$ vitamin C equivalent (VCE)/g fresh weight in ferric reducing antioxidant power assay, $0.18{\pm}0.02mg\;VCE/g$ fresh weight in 2,2-diphenyl-1-picrylhydrazyl assay and $1.09{\pm}0.12mg\;VCE/g$ fresh weight in 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) assay) in comparison with Allium sativum.
Smart Vehicle Parking Management System using Image Processing
Waqas, Maria,Iftikhar, Umar,Safwan, Muhammad,Abidin, Zain Ul,Saud, Ahmed International Journal of Computer ScienceNetwork S 2021 International journal of computer science and netw Vol.21 No.8
The term parking management system usually refers to the custom built hardware intensive systems installed in building and malls. However, there are many places where such expensive solutions cannot be installed due to various reasons, like cost and urgent/temporary setup requirements. This project focuses on developing a parking management system based on image processing to detect vacant parking slot in an area where automated systems are not installed. Camera images of the parking area are subjected to image processing algorithm which marks virtual slots in the area and extracts occupancy information to guide the incoming drivers about availability and position of vacant spaces. The application consists of two interfaces: one for the guidance of the incoming drivers and the other one for the administrator. The later interface also informs the administrator if a car is not parked properly in the virtual slot. This parking system would reduce the stress and time wastage associated with car parking and would make the management of such areas less costly.
Ahmad, Nazir,Ahmed, Iftikhar,Shahzad, Armghan,Khalid, Nauman,Mehboob, Farrakh,Ahad, Karam,Ali, Ghulam Muhammad The Korean Society for Applied Biological Chemistr 2014 Applied Biological Chemistry (Appl Biol Chem) Vol.57 No.3
Phenol is a toxic pollutant found in effluent of numerous industries and its elimination is a foremost challenge. The utilization of bacteria plays a crucial role in phenol bioremediation. For isolation of phenol degrading bacteria, sample was collected from industrial waste and enriched in mineral salt medium (MSM) contained 300 mg/L phenol. The strain was identified based on 16S rRNA gene analysis as Pseudomonas species and the phylogenetic analysis affiliated the strain with Pseudomonas monteilii (AF064458) as the most closely related species. Phenol tolerance of the strain in MSM supplemented with various concentrations of phenol indicates that the strain NCCP-407 can grow best at $750mgL^{-1}$ phenol. The strain showed complete degradation of $750mgL^{-1}$ phenol in 56 hours when supplement as a sole source of carbon and energy with the average degradation rate of $28mgL^{-1}h^{-1}$. The doubling time was recorded approximately as $12.49h^{-1}$. The present study suggests that this strain is efficient in phenol degradation and can be used in treatment of wastewater containing phenol.
( Muhammad Sadiq ),( Iftikhar Ahmad ),( Jamila Shuja ),( Zubair Ahmad ),( Riyasat Ahmed ),( Khushnaseeb Ahmad ) 대한뇌종양학회·대한신경종양학회·대한소아뇌종양학회 2017 Brain Tumor Research and Treatment Vol.5 No.2
Astroblastoma is an uncommon glial tumor with predominant manifestation in the young age. Herein, we report a case of 18-year-old astroblastoma female patient who presented with history of two months headache. Magnetic resonance imaging (MRI) of the brain demonstrated well circumscribed, intra-axial abnormal signal intensity lesion (size=5×4 cm<sup>2</sup>) in the right parieto-occipital region of the brain. The patient underwent complete surgical resection of the gross tumor, as confirmed by an early post-surgical MRI (i.e., within 24 hours of surgery). Histopathological examination revealed neoplastic lesion exhibiting perivascular pseudo-rosettes with centrally hyalinized blood vessel and focal nuclear pleomorphism. Immunohistochemistry staining illustrated reactivity for glial fibrillary acidic protein and inte-grase interactor 1 (INI-1). These features rendered the diagnosis of astroblastoma. A comprehensive re-view of the current literature to summarize the clinicopathological and radiological characteristics, prog-nostic factors and current treatment strategies of astroblastomas is also presented. Our study would expand the pool of this uncommon tumor towards its better understanding and optimal treatment.
Nazir Ahmad,Iftikhar Ahmed,Armghan Shahzad,Nauman Khalid,Farrakh Mehboob,Karam Ahad,Ghulam Muhammad Ali 한국응용생명화학회 2014 Applied Biological Chemistry (Appl Biol Chem) Vol.57 No.3
Phenol is a toxic pollutant found in effluent ofnumerous industries and its elimination is a foremost challenge. The utilization of bacteria plays a crucial role in phenol bioremediation. For isolation of phenol degrading bacteria, sample was collectedfrom industrial waste and enriched in mineral salt medium (MSM)contained 300 mg/L phenol. The strain was identified based on16S rRNA gene analysis as Pseudomonas species and thephylogenetic analysis affiliated the strain with Pseudomonasmonteilii (AF064458) as the most closely related species. Phenoltolerance of the strain in MSM supplemented with variousconcentrations of phenol indicates that the strain NCCP-407 cangrow best at 750 mg L−1 phenol. The strain showed completedegradation of 750 mg L−1 phenol in 56 hours when supplementas a sole source of carbon and energy with the average degradationrate of 28mg L−1 h−1. The doubling time was recorded approximatelyas 12.49 h−1. The present study suggests that this strain is efficientin phenol degradation and can be used in treatment of wastewatercontaining phenol.