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https://www.readbyqxmd.com/read/29726513/measurement-of-two-dimensional-thickness-of-micro-patterned-thin-film-based-on-image-restoration-in-a-spectroscopic-imaging-reflectometer
#1
Min-Gab Kim, Jin-Yong Kim
In this paper, we introduce a method to overcome the limitation of thickness measurement of a micro-patterned thin film. A spectroscopic imaging reflectometer system that consists of an acousto-optic tunable filter, a charge-coupled-device camera, and a high-magnitude objective lens was proposed, and a stack of multispectral images was generated. To secure improved accuracy and lateral resolution in the reconstruction of a two-dimensional thin film thickness, prior to the analysis of spectral reflectance profiles from each pixel of multispectral images, the image restoration based on an iterative deconvolution algorithm was applied to compensate for image degradation caused by blurring...
May 1, 2018: Applied Optics
https://www.readbyqxmd.com/read/29719454/physiologically-based-pharmacokinetic-predictions-of-intestinal-bcrp-mediated-drug-interactions-of-rosuvastatin-in-koreans
#2
Soo Hyeon Bae, Wan-Su Park, Seunghoon Han, Gab-Jin Park, Jongtae Lee, Taegon Hong, Sangil Jeon, Dong-Seok Yim
It was recently reported that the Cmax and AUC of rosuvastatin increases when it is coadministered with telmisartan and cyclosporine. Rosuvastatin is known to be a substrate of OATP1B1, OATP1B3, NTCP, and BCRP transporters. The aim of this study was to explore the mechanism of the interactions between rosuvastatin and two perpetrators, telmisartan and cyclosporine. Published (cyclosporine) or newly developed (telmisartan) PBPK models were used to this end. The rosuvastatin model in Simcyp (version 15)'s drug library was modified to reflect racial differences in rosuvastatin exposure...
May 2018: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29699604/hindsiipropane-b-alleviates-hiv-1-tat-induced-inflammatory-responses-by-suppressing-hdac6-nadph-oxidase-ros-axis-in-astrocytes
#3
Hyundong Jo, Ha Young Jang, Gi Soo Youn, Donggyu Kim, Chae Yeon Lee, Jae Hee Jang, Soo Young Choi, Jong-Gab Jun, Jinseu Park
Human immunodeficiency virus-1 (HIV-1) transactivator of transcription (Tat) is an important viral factor in neuro-inflammation. Hindsiipropane B, present in Celastrus hindsii, possesses various biological mechanisms including anti-inflammatory activity. In this report, we explored the regulatory activity of hindsiipropane B on HIV-1 Tat-mediated chemokine production and its mode of action in astrocytes. Hindsiipropane B significantly alleviated HIV-1 Tat-mediated production of inflammatory chemokines, CCL2, CXCL8, and CXCL10...
April 27, 2018: BMB Reports
https://www.readbyqxmd.com/read/29685654/synthesis-and-in-vitro-evaluation-of-homoisoflavonoids-as-potent-inhibitors-of-nitric-oxide-production-in-raw-264-7-cells
#4
Kongara Damodar, Jeong Tae Lee, Jin-Kyung Kim, Jong-Gab Jun
Syntheses of natural homoisoflavonoids, (±)-portulacanones A-C (4, 8 and 9), portulacanone D (6), isolated from Portulaca oleracea L. (POL) and their derivatives (3, 5 and 7) have been achieved for the first time along with the synthesis of known derivatives (1 and 2) and their in vitro inhibitory effect against NO production in LPS-induced RAW-264.7 macrophages was evaluated as an indicator of anti-inflammatory activity. All the compounds tested had a concentration-dependent inhibitory effect on NO production by RAW-264...
April 16, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29680040/thermodynamic-criteria-analysis-for-the-use-of-taro-starch-spherical-aggregates-as-microencapsulant-matrix
#5
Javier D Hoyos-Leyva, Luis A Bello-Pérez, J Alvarez-Ramirez
Spherical aggregates can be obtained from taro starch by spray-drying without using bonding agents. Accurate information about thermal issues of spherical aggregates can provide valuable information for assessing the application as encapsulant. Spherical aggregates of taro starch were obtained by spray-drying and analyzed using dynamic vapour sorption. The use of the Guggenheim, Anderson and de Boer (GAB) model indicated a Type II isotherm pattern with weaker interactions in the multilayer region. Differential enthalpy and entropy estimates reflected a mesoporous microstructure, implying that energetic mechanisms dominate over transport mechanisms in the sorption process...
September 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29660877/probabilistic-modelling-and-uncertainty-analysis-of-flux-and-water-balance-changes-in-a-regional-aquifer-system-due-to-coal-seam-gas-development
#6
J Sreekanth, Tao Cui, Trevor Pickett, David Rassam, Mat Gilfedder, Damian Barrett
Large scale development of coal seam gas (CSG) is occurring in many sedimentary basins around the world including Australia, where commercial production of CSG has started in the Surat and Bowen basins. CSG development often involves extraction of large volumes of water that results in depressurising aquifers that overlie and/or underlie the coal seams thus perturbing their flow regimes. This can potentially impact regional aquifer systems that are used for many purposes such as irrigation, and stock and domestic water...
April 12, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29657237/management-of-sternal-dislocation-with-and-without-surgery-in-cats-owner-assessed-long-term-follow-up-of-two-clinical-cases
#7
Gab-Chol Choi, Md Mahbubur Rahman, Hwangmin Kim, Sehoon Kim, In-Seong Jeong
The aim of this paper is to report two cases of sternal dislocation (SD) in cats and the long-term outcomes with and without surgery. In a cat with poly-traumatized SD (Case 1), mandibular, radial, and ulnar fractures were corrected first, and the SD was allowed to heal without intervention for 14 months. However, normal healing did not occur and sternal instability remained. Therefore, the SD was corrected surgically, and the cat recovered fully within 4 weeks. In a cat with isolated SD (Case 2), surgery was performed, and normal posture and gait were regained after 5 weeks...
April 16, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29621300/characteristics-of-non-cardia-gastric-cancer-with-a-high-serum-anti-helicobacter-pylori-igg-titer-and-its-association-with-diffuse-type-histology
#8
Eun Jeong Gong, Ji Young Lee, Suh Eun Bae, Young Soo Park, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung, Woo Jin Jeong, Gab Jin Cheon, Jeong Hwan Yook, Byung Sik Kim
BACKGROUND: Data on implications of a high positive titer of serum anti-Helicobacter pylori antibody on gastric cancer (GC) is limited. This study aimed to investigate the characteristics of GC with a high serum anti-H. pylori IgG (Hp-IgG) titer, and its association with diffuse-type GC. METHODS: We analyzed clinical and histological characteristics of 917 non-cardia GC patients who underwent gastrectomy. H. pylori infection was determined serologically by measuring Hp-IgG titer with immunoassay...
2018: PloS One
https://www.readbyqxmd.com/read/29590158/significance-of-serological-markers-in-the-disease-course-of-ulcerative-colitis-in-a-prospective-clinical-cohort-of-patients
#9
Gyorgy Kovacs, Nora Sipeki, Boglarka Suga, Tamas Tornai, Kai Fechner, Gary L Norman, Zakera Shums, Peter Antal-Szalmas, Maria Papp
BACKGROUND & AIMS: To determine the prognostic potential of classic and novel serologic antibodies regarding unfavorable disease course in a prospective ulcerative colitis (UC) patient cohort, since few and conflicting data are available in the literature regarding this matter. METHODS: 187 consecutive patients were studied prospectively (median follow-up: 135 months) from a single referral IBD center in Hungary. Sera were tested for different IgA/IgG type autoantibodies (anti-neutrophil cytoplasmic [ANCA], anti-DNA-bound-lactoferrin [anti-LFS], anti-goblet cell [anti-GAB] and anti-pancreatic [PAB: anti-CUZD1 and anti-GP2)]) by indirect immunofluorescence technique and for anti-microbial (anti-Saccharomyces cerevisiae [ASCA] IgG/IgA and anti-OMP Plus™ IgA) antibodies by enzyme-linked immunosorbent assays...
2018: PloS One
https://www.readbyqxmd.com/read/29557751/date-palm-phoenix-dactylifera-novel-findings-and-future-directions-for-food-and-drug-discovery
#10
Ali H El-Far, Babatunji Emmanuel Oyinloye, Masood Sepehrimanesh, Mahmoud A Gab Allah, Ibrahim Abu Reidah, Hazem M Shaheen, Iman Razeghian-Jahromi, Abd El-Wahab A Alsenosy, Ahmed E Noreldin, Soad K Al Jaouni, Shaker A Mousa
Phoenix dactylifera is a useful traditional medicinal plant, mainly the fruit is used, which is the edible part of the plant (Ajwa date). It is now considered to be a valuable source of natural medicinal products against various diseases. Phytochemical investigations have shown that the fruit contains anthocyanins, phenolics, sterols, carotenoids, and flavonoids. The fruits are a rich source of carbohydrates, vitamins, and proteins. P. dactylifera is considered as a complete diet because it also contains different fatty acids, amino acids, proteins, and steroidal substances...
March 19, 2018: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/29551575/the-role-of-organic-cation-transporter-2-inhibitor-cimetidine-experimental-diabetes-mellitus-and-metformin-on-gabapentin-pharmacokinetics-in-rats
#11
Jhohann Richard de Lima Benzi, Priscila Akemi Yamamoto, Jessica Hanna Stevens, Amanda Martins Baviera, Natália Valadares de Moraes
PURPOSE: We investigated the influence of diabetes mellitus (DM), glycemic control with insulin, cimetidine (Oct2 inhibitor) and metformin (Oct2 substrate) on the kinetic disposition of GAB in rats. MAIN METHODS: Male Wistar rats were divided in five groups and all animals received an oral dose of 50 mg/kg GAB: (vehicle + GAB), cimetidine + GAB (single dose of cimetidine [100 mg/kg] intraperitoneally 1 h before GAB), metformin + GAB (single dose of metformin 100 mg/kg by gavage concomitantly with GAB), DM + GAB (single dose of 40 mg/kg streptozotocin (STZ) intravenously) and DM + GAB + insulin (single dose 40 mg/kg STZ intravenously and 2 IU insulin twice daily for 15 days)...
March 15, 2018: Life Sciences
https://www.readbyqxmd.com/read/29542304/follow-up-creatinine-level-is-an-important-predictive-factor-of-in-hospital-mortality-in-cirrhotic-patients-with-spontaneous-bacterial-peritonitis
#12
Baek Gyu Jun, Woong Cheul Lee, Jae Young Jang, Soung Won Jeong, Young Don Kim, Gab Jin Cheon, Yun Nah Lee, Sang Gyune Kim, Young Seok Kim, Young Sin Cho, Sae Hwan Lee, Hong Soo Kim
BACKGROUND: Spontaneous bacterial peritonitis (SBP) is one of the severe complications of liver cirrhosis. Early detection of high-risk patients is essential for prognostic improvement. The aim of this study is to investigate the predictive factors related to in-hospital mortality in patients with SBP. METHODS: This was a retrospective study of 233 SBP patients (181 males, 52 females) who were admitted to four tertiary referral hospitals between August 2002 and February 2013...
March 19, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29529840/platelet-count-is-associated-with-sustained-virological-response-rates-in-treatments-for-chronic-hepatitis-c
#13
Baek Gyu Jun, Eui Ju Park, Woong Cheul Lee, Jae Young Jang, Soung Won Jeong, Young Don Kim, Gab Jin Cheon, Young Sin Cho, Sae Hwan Lee, Hong Soo Kim, Yun Nah Lee, Sang Gyune Kim, Young Seok Kim, Boo Sung Kim
Background/Aims: This study was conducted to clarify the sustained virological response (SVR) prediction ability of baseline and treatment-related factors in patients with chronic hepatitis C virus (HCV) infection. Methods: This retrospective study collected data at four tertiary referral hospitals between June 2004 and July 2012. Out of 476 patients, 330 treatment-naïve patients with chronic HCV infection were recruited. Pegylated interferon α-2a/- 2b plus ribavirin was administered for either 24 or 48 weeks depending on the HCV genotype...
March 14, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29524022/experimental-and-theoretical-study-of-donor-%C3%AF-acceptor-compounds-based-on-malononitrile
#14
Mohie E M Zayed, Reda M El-Shishtawy, Shaaban A Elroby, Khalid O Al-Footy, Zahra M Al-Amshany
A set of different donor-π-acceptor compounds having dicyanovinyl as the acceptor and aryl moieties as donors were synthesized by Knoevenagel condensation. The UV-visible absorption and fluorescence spectra were investigated in different solvents. The optical band gab energy (Eg) was linearly correlated with the Hammett resonance effect of the donor to reveal that the higher the value of Hammett resonance effect of a donor, the lower the Eg of the molecule. The photophysical data revealed that compounds M4-M6 are typical molecular rotors with fluorescence due to twisted intramolecular charge transfer...
March 9, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29523103/androgen-deprivation-therapy-during-and-after-post-prostatectomy-radiotherapy-in-patients-with-prostate-cancer-a-case-control-study
#15
Myong Kim, Cheryn Song, In Gab Jeong, Seung-Kwon Choi, Myungchan Park, Myungsun Shim, Young Seok Kim, Dalsan You, Jun Hyuk Hong, Choung-Soo Kim, Hanjong Ahn
BACKGROUND: Here we assessed the influence of androgen deprivation therapy (ADT) during and/or after post-prostatectomy radiotherapy (RT) on biochemical recurrence (BCR) and radiographic progression in patients with prostate cancer. METHODS: Patients with prostate cancer who underwent post-prostatectomy RT were analyzed. BCR and radiographic progression after RT were compared according to the concurrent or salvage ADT. Cox regression analyses were used to identify risk factors for BCR and radiographic progression...
March 9, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29480936/trkb-mediated-activation-of-the-phosphatidylinositol-3-kinase-akt-cascade-reduces-the-damage-inflicted-by-oxygen-glucose-deprivation-in-area-ca3-of-the-rat-hippocampus
#16
Carolina Tecuatl, Gabriel Herrrera-López, Alejandro Martín-Ávila, Bocheng Yin, Stephen Weber, Germán Barrionuevo, Emilio J Galván
The selective vulnerability of hippocampal area CA1 to ischemia-induced injury is a well-known phenomenon. However, the cellular mechanisms that confer resistance to area CA3 against ischemic damage remain elusive. Here, we show that oxygen-glucose deprivation-reperfusion (OGD-RP), an in vitro model that mimic the pathological conditions of the ischemic stroke, increases the phosphorylation level of tropomyosin receptor kinase B (TrkB) in area CA3. Slices preincubated with brain-derived neurotrophic factor (BDNF) or 7,8-dihydroxyflavone (7,8-DHF) exhibited reduced depression of the electrical activity triggered by OGD-RP...
May 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29417257/oncological-effect-of-palliative-transurethral-resection-of-the-prostate-in-patients-with-advanced-prostate-cancer-a-propensity-score-matching-study
#17
Se Young Choi, Jeman Ryu, Dalsan You, In Gab Jeong, Jun Hyuk Hong, Hanjong Ahn, Choung-Soo Kim
PURPOSE: We investigated the oncologic effect of palliative transurethral resection of the prostate (pTURP) in patients with prostate cancer who received primary androgen deprivation therapy. METHODS: We reviewed 614 patients, including 83 who underwent pTURP; those with incidental prostate cancer were excluded. Patients were divided into the TURP group and non-TURP group. Propensity score matching was performed for comorbidity, initial prostate-specific antigen (PSA), TNM stage, and Gleason score (GS)...
April 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29392800/arbuscular-mycorrhizal-fungi-spore-propagation-using-single-spore-as-starter-inoculum-and-a-plant-host
#18
G Selvakumar, C C Shagol, Y Kang, B N Chung, S G Han, T M Sa
AIMS: The propagation of pure cultures of arbuscular mycorrhizal fungal (AMF) is an essential requirement for their large-scale agricultural application and commercialization as biofertilizers. The present study aimed to propagate AMF using the single-spore inoculation technique and compare their propagation ability with the known reference spores. METHODS AND RESULTS: Arbuscular mycorrhizal fungal spores were collected from salt-affected Saemangeum reclaimed soil in South Korea...
February 2, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29392454/engineering-phytosterol-transport-system-in-mycobacterium-sp-strain-ms136-enhances-production-of-9%C3%AE-hydroxy-4-androstene-3-17-dione
#19
Kun He, Hong Sun, Hao Song
OBJECTIVES: To enhance the yield of 9α-hydroxy-4-androstene-3,17-dione (9-OHAD) from phytosterols, a phytosterol transport system was constructed in Mycobacterium sp. strain MS136. RESULTS: 9-OHAD can be produced via the controlled degradation of phytosterols by mycobacteria. This involves an active transport process that requires trans-membrane proteins and ATP. A phytosterol transport system from Mycobacterium tuberculosis H37Rv was constructed in Mycobacterium sp...
April 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29391632/modeling-sorption-phenomena-and-moisture-migration-rates-in-paprika-capsicum-annuum-l-using-physicochemical-characteristics
#20
S S Shirkole, P P Sutar
In the present study, the GAB and moisture migration rate models were used to predict the shelf life of paprika under domestic (40 °C and 90% RH) and industrial (5, 10, 15 and 20 °C with 70% RH) storage conditions. The correlations between physicochemical characteristics and moisture content of paprika were developed to estimate the stability of the paprika. The estimated shelf life of low moisture paprika (4.40% dry basis) was found to be 101 and 31 days in HDPE and LDPE packages, respectively when stored in domestic condition...
February 2018: Journal of Food Science and Technology
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