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https://www.readbyqxmd.com/read/28917737/3-4-diaminotoluene-sensor-development-based-on-hydrothermally-prepared-mncoxoy-nanoparticles
#1
Mohammed M Rahman, M M Alam, Abdullah M Asiri, M A Islam
A facile hydrothermal process was used to prepare MnCoxOy nanoparticles (NPs) in alkaline medium (pH~10.5) at room temperature. The NPs were characterized by Fourier-transform infrared spectroscopy (FTIR), ultraviolet visible spectroscopy (UV/vis), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), energy-dispersive X-ray spectroscopy (EDS), and powder X-ray diffraction (XRD). A thin layer of NPs film as a chemical sensor was fabricated on a glassy carbon electrode (GCE) with the help of a conducting binder...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28916396/ultrafine-particle-transport-and-deposition-in-a-large-scale-17-generation-lung-model
#2
Mohammad S Islam, Suvash C Saha, Emilie Sauret, Tevfik Gemci, Ian A Yang, Y T Gu
To understand how to assess optimally the risks of inhaled particles on respiratory health, it is necessary to comprehend the uptake of ultrafine particulate matter by inhalation during the complex transport process through a non-dichotomously bifurcating network of conduit airways. It is evident that the highly toxic ultrafine particles damage the respiratory epithelium in the terminal bronchioles. The wide range of in silico available and the limited realistic model for the extrathoracic region of the lung have improved understanding of the ultrafine particle transport and deposition (TD) in the upper airways...
September 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28915620/prpf-overexpression-induces-drug-resistance-through-actin-cytoskeleton-rearrangement-and-epithelial-mesenchymal-transition
#3
Salman Ul Islam, Adeeb Shehzad, Jong Kyung Sonn, Young Sup Lee
Pre-mRNA processing factor (PRPF) 4B kinase belongs to the CDK-like kinase family, and is involved in pre-mRNA splicing, and in signal transduction. In this study, we observed that PRPF overexpression decreased the intracellular levels of reactive oxygen species, and inhibited resveratrol-induced apoptosis by activating the cell survival signaling proteins NFκB, ERK, and c-MYC in HCT116 human colon cancer cells. PRPF overexpression altered cellular morphology, and rearranged the actin cytoskeleton, by regulating the activity of Rho family proteins...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915105/variations-of-ankle-foot-orthosis-constrained-movements-increase-ankle-range-of-movement-while-maintaining-power-output-of-recumbent-cycling
#4
Puteri N F Hamdan, Nur Azah Hamzaid, Juliana Usman, Md Anamul Islam, Victor S P Kean, Ahmad K Abdul Wahab, Nazirah Hasnan, Glen M Davis
Previous research investigated recumbent cycle power output (PO) from the perspective of knee and hip joint biomechanics. However, ankle-foot biomechanics and, in particular, the effect of ankle-foot orthosis (AFO)-constrained movements on cycle PO has not been widely explored. Therefore, the purpose of this study was to determine whether AFOs of a fixed position (FP) and in dorsi-plantarflexion (DPF)-, dorsiflexion (DF)- and plantarflexion (PF)-constrained movements might influence PO during voluntary recumbent cycling exercises...
September 15, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28914181/remediation-approach-for-organic-compounds-and-arsenic-co-contaminated-soil-using-pressurized-hot-water-extraction-process
#5
Mohammad Nazrul Islam, Young-Tae Jo, Yeon-Jae Jeong, Jeong-Hun Park
Successful remediation of soil with co-existing organics contaminants and arsenic (As) is a challenge as the chemical and remediation technologies are different for each group of pollutants. In this study, the treatment effectiveness of pressurized hot water (PHW) extraction process was investigated for remediation of soil co-contaminated with phenol, crude oil, polycyclic aromatic hydrocarbons (PAHs) and As. An elimination percentage of about 99% was achieved for phenol, and in the range of 63-100% was observed for the PAHs at 260 °C for 90 min operation...
September 15, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28913388/dataset-representing-the-effect-of-indirect-band-gap-region-of-cd-free-algaas-buffer-layer-in-cu-in-ga-se-photovoltaic-cell
#6
Sadia Islam Shachi, Ali Newaz Bahar
The dataset of physical properties for the proposed CIGS solar cell with Cd-free AlGaAs buffer layer has been depicted in this data article. The cell performance outcome due to different AlGaAs buffer layer band gap is reported along with optimum solar cell performance parameters for instance, open circuit voltage [Formula: see text], short circuit current density ([Formula: see text], fill factor [Formula: see text], efficiency [Formula: see text], as well as collection efficiency [Formula: see text].
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28911672/rapid-investigation-of-%C3%AE-glucosidase-inhibitory-activity-of-phaleria-macrocarpa-extracts-using-ftir-atr-based-fingerprinting
#7
Sabina Easmin, Md Zaidul Islam Sarker, Kashif Ghafoor, Sahena Ferdosh, Juliana Jaffri, Md Eaqub Ali, Hamed Mirhosseini, Fahad Y Al-Juhaimi, Vikneswari Perumal, Alfi Khatib
Phaleria macrocarpa, known as "Mahkota Dewa", is a widely used medicinal plant in Malaysia. This study focused on the characterization of α-glucosidase inhibitory activity of P. macrocarpa extracts using Fourier transform infrared spectroscopy (FTIR)-based metabolomics. P. macrocarpa and its extracts contain thousands of compounds having synergistic effect. Generally, their variability exists, and there are many active components in meager amounts. Thus, the conventional measurement methods of a single component for the quality control are time consuming, laborious, expensive, and unreliable...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911651/microencapsulation-of-fish-oil-using-supercritical-antisolvent-process
#8
Fahim Tamzeedul Karim, Kashif Ghafoor, Sahena Ferdosh, Fahad Al-Juhaimi, Eaqub Ali, Kamaruzzaman Bin Yunus, Mir Hoseini Hamed, Ashraful Islam, Mohammad Asif, Mohammed Zaidul Islam Sarker
In order to improve the encapsulation process, a newly supercritical antisolvent process was developed to encapsulate fish oil using hydroxypropyl methyl cellulose as a polymer. Three factors, namely, temperature, pressure, and feed emulsion rate were optimized using response surface methodology. The suitability of the model for predicting the optimum response value was evaluated at the conditions of temperature at 60°C, pressure at 150 bar, and feed rate at 1.36 mL/min. At the optimum conditions, particle size of 58...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911316/optimizing-t4-dna-polymerase-conditions-enhances-the-efficiency-of-one-step-sequence-and-ligation-independent-cloning
#9
Mohammad Nazrul Islam, Kyeong Won Lee, Hyung-Soon Yim, Seong Hyuk Lee, Hae Chang Jung, Jung-Hyun Lee, Jae-Yeon Jeong
Previously, we developed a one-step sequence- and ligation-independent cloning (SLIC) method that is simple, fast, and cost-effective. However, although one-step SLIC generally works well, its cloning efficiency is occasionally poor, potentially due to formation of stable secondary structures within the single-stranded DNA (ssDNA) region generated by T4 DNA polymerase during the 2.5 min treatment at room temperature. To overcome this problem, we developed a modified thermo-regulated one-step SLIC approach by testing shorter T4 DNA polymerase treatment durations (5 s-2...
September 1, 2017: BioTechniques
https://www.readbyqxmd.com/read/28910846/immediate-postpartum-glucose-tolerance-testing-in-women-with-gestational-diabetes-a-pilot-study
#10
Cheryl Dinglas, Jolene Muscat, Hye Heo, Shahidul Islam, Anthony Vintzileos
No abstract text is available yet for this article.
September 14, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28906478/complementary-rna-sequencing-based-transcriptomics-and-itraq-proteomics-reveal-the-mechanism-of-the-alleviation-of-quinclorac-stress-by-salicylic-acid-in-oryza-sativa-ssp-japonica
#11
Jian Wang, Faisal Islam, Lan Li, Meijuan Long, Chong Yang, Xiaoli Jin, Basharat Ali, Bizeng Mao, Weijun Zhou
To uncover the alleviation mechanism of quinclorac stress by salicylic acid (SA), leaf samples of Oryza sativa ssp. Japonica under quinclorac stress with and without SA pre-treatment were analyzed for transcriptional and proteomic profiling to determine the differentially expressed genes (DEGs) and proteins (DEPs), respectively. Results showed that quinclorac stress altered the expression of 2207 DEGs (1427 up-regulated, 780 down-regulated) and 147 DEPs (98 down-regulated, 49 up-regulated). These genes and proteins were enriched in glutathione (GSH) metabolism, porphyrin and chlorophyll metabolism, the biosynthesis of secondary metabolites, glyoxylate and dicarboxylate metabolism, and so on...
September 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28902373/berzelius-symposium-93-international-conference-on-thrombosis-and-embolism
#12
Md Shahidul Islam, Sam Schulman
No abstract text is available yet for this article.
September 8, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28902195/driving-and-photo-regulation-of-myosin-actin-motors-at-molecular-and-macroscopic-levels-by-photo-responsive-high-energy-molecules
#13
Halley M Menezes, Md Jahirul Islam, Masayuki Takahashi, Nobuyuki Tamaoki
We employed an azobenzene based non-nucleoside triphosphate, AzoTP, in a myosin-actin motile system and demonstrated its efficiency as an energy molecule to drive and photo-regulate the myosin-actin motile function at the macroscopic level along with an in vitro motility assay. The AzoTP in its trans state induced shortening of a glycerinated muscle fibre whilst a cis isomer had no significant effect. Direct photoirradiation of a cis-AzoTP infused muscle fibre induced shortening triggered by a locally photo-generated trans-AzoTP in the muscle fibre...
September 13, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28901938/islam-and-depression
#14
Sima Barmania
No abstract text is available yet for this article.
September 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28900473/resection-of-rectal-gist-using-a-novel-technique-a-report-of-two-cases
#15
Osama Eldamshety, Islam H Metwally, Elsayed Ghoneem, Wagdi F Elkashef
Rectal gastrointestinal stromal tumours (GISTs) are uncommon tumours and usually present with large sizes. We present two cases of rectal GIST. Imatinib was used in the setting of neoadjuvant and adjuvant therapy. Both tumours were resected transanally by the transanal endoscopic operation (TEO) platform. Oncosurgeons are recommended to implement sphincter-sparing surgeries for these cases.
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28899626/influenza-a-haemagglutinin-specific-igg-responses-in-children-and-adults-after-seasonal-trivalent-live-attenuated-influenza-vaccination
#16
Shahinul Islam, Kristin Greve-Isdahl Mohn, Florian Krammer, Mari Sanne, Geir Bredholt, Åsne Jul-Larsen, Sarah M Tete, Fan Zhou, Karl Albert Brokstad, Rebecca Jane Cox
Influenza is a major respiratory pathogen and vaccination is the main method of prophylaxis. In 2012, the trivalent live attenuated influenza vaccine (LAIV3) was licensed in Europe for use in children. Vaccine-induced antibodies directed against the main viral surface glycoprotein, haemagglutinin (HA), play an important role in virus neutralization through different mechanism. The objective of this study was to dissect the HA specific antibody responses induced after LAIV3 immunization to the influenza A viruses in children and adults...
September 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28899241/the-syrian-refugee-crisis-what-nurses-need-to-know
#17
Esmihan Almontaser, Steven L Baumann
The civil war in Syria that began in 2011 has displaced millions of Syrians of all ages. While the number that have arrived in the United States is small in comparison to many other countries, it is important that nurses and other healthcare workers here understand that many of them have faced considerable trauma and endured stresses. Most of them are Muslims. Muslims in the United States and elsewhere represent a heterogeneous group of people with a long intellectual and cultural history. Islamic cultural patterns do pose unique barriers to a primarily Anglo-Saxon medical system that medical practitioners need to consider in order to avoid misunderstanding and provide culturally sensitive care...
April 2017: Nursing Science Quarterly
https://www.readbyqxmd.com/read/28899058/distinct-radiomic-phenotypes-define-glioblastoma-tp53-pten-egfr-mutational-landscape
#18
Pascal O Zinn, Sanjay K Singh, Aikaterini Kotrotsou, Srishti Abrol, Ginu Thomas, Jennifer Mosley, Ahmed Elakkad, Islam Hassan, Ashok Kumar, Rivka R Colen
No abstract text is available yet for this article.
September 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28898939/the-effective-mitigation-of-greenhouse-gas-emissions-from-rice-paddies-without-compromising-yield-by-early-season-drainage
#19
Syed Faiz-Ul Islam, Jan Willem van Groenigen, Lars Stoumann Jensen, Bjoern Ole Sander, Andreas de Neergaard
Global rice production systems face two opposing challenges: the need to increase production to accommodate the world's growing population while simultaneously reducing greenhouse gas (GHG) emissions. Adaptations to drainage regimes are one of the most promising options for methane mitigation in rice production. Whereas several studies have focused on mid-season drainage (MD) to mitigate GHG emissions, early-season drainage (ED) varying in timing and duration has not been extensively studied. However, such ED periods could potentially be very effective since initial available C levels (and thereby the potential for methanogenesis) can be very high in paddy systems with rice straw incorporation...
September 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28898887/angelman-syndrome-due-to-a-maternally-inherited-intragenic-deletion-encompassing-exons-7-and-8-of-the-ube3a-gene
#20
Athina Ververi, Lily Islam, Beverley Bewes, Louise Busby, Caroline Sullivan, Natalie Canham
Angelman syndrome (AS) is characterised by developmental delay, lack of speech, seizures, a characteristic behavioural profile with a happy demeanour, microcephaly, and ataxia. More than two-thirds of cases are due to an approximately 5-Mb interstitial deletion of the imprinted region 15q11.2q13, which is usually de novo. The rest are associated with point mutations in the UBE3A gene, imprinting defects, and paternal uniparental disomy. Small intragenic UBE3A deletions have rarely been described. They are usually maternally inherited, increasing the recurrence risk to 50%, and may be missed by conventional testing (methylation studies and UBE3A gene sequencing)...
September 13, 2017: Cytogenetic and Genome Research
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