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( Hanife Usta Atmaca ),( Feray Akbas ),( Ilker Nihat Okten ),( Eda Nuhoglu Kantarci ),( Berrin Belcik Inal ),( Mustafa Boz ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Obesity is a disease known to stimulate low grade infl ammation. N/L ratio has been started to be used as an indicator of systemic infl ammation. This study aims to examine the relationship between obesity and N/L ratio over anthropometric measurements, obesity grade, and some biochemical parameters. Methods: 96 obese patients (mild-moderate and severe) who are being monitored in obesity outpatient clinic, who have no concomitant disease, and who do not have a history of smoking and drug use, and as the control group, 20 patients of normal weight with the same characteristics were included in the study. Anthropometric measurements were recorded, and BMI was calculated. Biochemical tests and total blood counts were performed. N/L ratio was obtained by dividing neutrophil count by lymphocyte count. The results were evaluated using SPSS statistical analysis program. Results: A signifi cant increase was present in neutrophils and lymphocyte counts of morbid obese group compared to control groups. Due to both increased neutrophil and lymphocyte counts, even though L/N ratio increased, it was not found statistically signifi cant. The increase in total leucocyte count of morbid obese was statistically signifi cant compared to mild obese. While N/L ratio demonstrated a strongly positive correlation with total leucocyte count and neutrophil count, it demonstrated a weakly positive correlation with waist circumference and with hip circumference. Conclusions: N/L ratio increases by obesity grade and reveals that concomitant infl ammatory response increases. High count of circulating neutrophil in obese patients might be considered as an acute infl ammatory response to a chronic infl ammatory state. Therefore, N/L ratio might be used as an infl ammatory marker in obese patients, and might be helpful in the prediction of cardiovascular and metabolic risks for the patient.
Effect of bridging units on the photophysical properties of 4-NEt2-appended salen−indium complexes
Hanif Mubarok,Min Hyung Lee,Sang Woo Kwak,Ji Hye Lee,Hyonseok Hwang,Kang Mun Lee,Youngjo Kim,Myung Hwan Park 대한화학회 2022 Bulletin of the Korean Chemical Society Vol.43 No.10
A series of 4-NEt2-appended salenindium complexes bridged by different dii-mine units (ethylene [Et,1], phenylene [Ph,2], and benzonitrile [PhCN,3]) withdifferent electronic effects were prepared in high yields by a one-pot syntheticprocedure. Among them, the solid-state structure of1was identified by X-raycrystallography, featuring a square-pyramidal structure around the indium cen-ter. Ultraviolet–visible (UV/Vis) absorption and emission spectra of1–3showedtypicalππ* electronic transitions centered on the salen ligands, which under-went gradual redshifts as the electron-withdrawing ability of the bridging unitsincreased. Such bathochromic shifts resulted from lowering the energy levelsof the lowest unoccupied molecular orbital (LUMO). In addition, the full widthat half maxima for the emissions of1–4gradually decreased with increasingelectron-accepting property of the bridging units. The observed photophysicalproperties were further supported by theoretical calculations.
Thermally Activated Delayed Fluorescent Properties of Ortho-Carbazole-Appended Triazine Compounds
Hanif Mubarok,오지훈,이희채,정재훈,이민형 대한화학회 2019 Bulletin of the Korean Chemical Society Vol.40 No.11
We report the synthesis and thermally activated delayed fluorescent (TADF) properties of ortho-carbazole-appended triazine compounds. Two donor (D)-acceptor (A) compounds, CzMeoTRZ (1) and BuCzMeoTRZ (2), in which the carbazole (Cz and t-BuCz) donor and 4,6-dipheny-1,3,5-triazine (TRZ) acceptor moieties are linked in the ortho position of the 3-methylphenylene ring were prepared and characterized. Both compounds exhibit broad blue emission at 465 and 487?nm, respectively (photoluminescence quantum yield, ΦPL = 27% and 49% in toluene), which is typical of the donor to acceptor ICT transition. The transient PL decay measurements confirm that both compounds have TADF character with the microsecond-range delayed lifetimes (τd = 1.09??s for 1 and 1.51??s for 2). Electrochemical analysis indicates that both compounds undergo carbazole-centered oxidation and triazine-centered reduction. Theoretical studies further show the twisted D-A structure, effective separation of highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO), and small energy splitting between the excited singlet and triplet states for 1 and 2, all of which support the observed TADF.
( Hanif Adhitya ),( Seung-hwa Yu ),( Xiongzhe Han ) 한국농업기계학회 2023 한국농업기계학회 학술발표논문집 Vol.28 No.1
The main problem with the applying plant treatment using unmanned aerial spraying systems (UASS) is the unpredictability of the environment. In this study, the environmental and operating conditions of the UASS are used as parameters that must be addressed using a control system. By utilizing the SG-10P octocopter sprayer platform, which is attached to an indoor simulator to obtain controlled environmental conditions, simulations are performed to obtain model development datasets. The datasets obtained are the coefficient of variation (CV) values, and model equation development is done by machine learning, with Random Forest Regression as the model with the highest accuracy of 0.9, close to the actual value. Utilizing a baseline CV below 30%, this model can provide commands in the control system to execute nozzle openings to address real-time conditions and minimize pesticide usage.
Effects of Different Lightweight Functional Fillers for Use in Cementitious Composites
Hanif, Asad,Lu, Zeyu,Cheng, Yu,Diao, Su,Li, Zongjin Korea Concrete Institute 2017 International Journal of Concrete Structures and M Vol.11 No.1
The effects of different lightweight functional fillers on the properties of cement-based composites are investigated in this study. The fillers include fly ash cenospheres (FACs) and glass micro-spheres (GMS15 and GMS38) in various proportions. The developed composites were tested for compressive, flexural and tensile strengths at 10 and 28-day ages. The results indicated that both FACs and GMS38 are excellent candidates for producing strong lightweight composites. However, incorporation of GMS15 resulted in much lower specific strength values (only up to $13.64kPa/kg\;m^3$) due to its thinner shell thickness and lower isostatic crushing strength value (2.07 MPa). Microstructural analyses further revealed that GMS38 and GMS15 were better suited for thermal insulating applications. However, higher weight fraction of the fillers in composites leads to increased porosity which might be detrimental to their strength development.
Can BAP1 expression loss in mesothelial cells be an indicator of malignancy?
Hanife Gulnihal Ozdemir,Sermin Coban Kokten,Nagehan Ozdemir Barisik 대한병리학회 2020 Journal of Pathology and Translational Medicine Vol.54 No.6
Background: Malignant mesothelioma is a highly aggressive tumor that can be confused with a benign mesothelial lesion, especially cytomorphologic lesions. BRCA1-associated protein 1 (BAP1) acts as a tumor suppressor. In this study, we aim to investigate the value of BAP1 staining of malignant mesothelioma cases with expression loss and diagnosis in cell block and biopsy tissue. Methods: Between January 2009 and March 2017, 64 mesotheliomas, 117 reactive mesothelial hyperplasias, and 20 fibrinous pleuritis/pericarditis were diagnosed with morphologic and immunohistochemical findings in our pathology clinic and were included in the study. Formalin-fixed, paraffin-embedded tissues were immunohistochemically examined for BAP1. Inflammatory and stromal cells were used as positive internal controls. BAP1 was assessed for nuclear staining in mesothelial cells. Results: Examinations of the relationship between patient diagnosis and BAP1 biopsy status showed that the BAP1 loss rate (76.6%) was significantly higher in malignant mesothelioma cases than in other benign diseases (0%) (p < .001). Sensitivity and specificity were 76.56% and 100%, respectively, for biopsy tissue from malignant mesothelioma. Sensitivity and specificity were both 100% for BAP1 test on cell block tissue. Furthermore, the consistency between BAP1 cell block and biopsy results was excellent (ĸ = 0.90) and the correlation was significant (p < .001). Conclusions: This study shows that BAP1 expression loss in both cytology and biopsy tissue in biopsy-confirmed malignant mesothelioma cases is an essential parameter for malignant mesothelioma diagnosis.
Hanif, Adeela,Trung, Tran Quang,Siddiqui, Saqib,Toi, Phan Tan,Lee, Nae-Eung American Chemical Society 2018 ACS APPLIED MATERIALS & INTERFACES Vol.10 No.32
<P>Human skin is highly stretchable at low strain but becomes self-limiting when deformed at large strain due to stiffening caused by alignment of a network of stiff collagen nanofibers inside the tissue beneath the epidermis. To imitate this mechanical behavior and the sensory function of human skin, we fabricated a skin-like substrate with highly stretchable, transparent, tough, ultrathin, mechanosensory, and self-limiting properties by incorporating piezoelectric crystalline poly((vinylidene fluoride)-<I>co</I>-trifluoroethylene) (P(VDF-TrFE)) nanofibers with a high modulus into the low modulus matrix of elastomeric poly(dimethylsiloxane). Randomly distributed P(VDF-TrFE) nanofibers in the elastomer matrix conferred a self-limiting property to the skin-like substrate so that it can easily stretch at low strain but swiftly counteract rupturing in response to stretching. The stretchability, toughness, and Young’s modulus of the ultrathin (∼62 μm) skin-like substrate with high optical transparency could be tuned by controlling the loading of nanofibers. Moreover, the ultrathin skin-like substrate with a stretchable temperature sensor fabricated on it demonstrated the ability to accommodate bodily motion-induced strain in the sensor while maintaining its mechanosensory and thermosensory functionalities.</P> [FIG OMISSION]</BR>