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Preparation of fish silage from trash fishes and fish offals
Ali, M.Z.; Gheyasuddin, S.; Hossain, M.A., 1995: Preparation of fish silage from trash fishes and fish offals. Bangladesh Journal of Zoology 23(1): 95-98
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Uber Milchsaurebestimmung in Gegenwart von Methyl -glyoxal
Girsaviclus, J.O.; Heyfetz, P.A., 1934: Uber Milchsaurebestimmung in Gegenwart von Methyl -glyoxal. Biochem Zeitschr 274(1/2): 95-96
The presence of methylglyoxal may lead to considerable errors in lactic acid estimation. The extent of these errors depends on the efficiency of the reflux condensers in the Friedemann, Cotonio and Shaffer method (temp. and rate of flow of condenser water). This suggests that some other bisulphite-binding substance than acetalyde-hyde passes over[long dash]perhaps methylglyoxal itself. An attempt to remove methylglyoxal by treatment with H2O2 and alkali was unsuccessful. The authors recommend removal of the methylglyoxal with dinitrophenyl-hydrazine.
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Cecidomyids damaging fruits and seeds of trees and shrubs
Kozarzheyskaya, xCF., 1957: Cecidomyids damaging fruits and seeds of trees and shrubs. Zoologicheskii Zhurnal Moscow, 36:
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Other referencesA new strategy to tune the BNNT band gap upon adsorption of nitrobenzene and its p-substituted derivatives | SpringerLink
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A new strategy to tune the BNNT band gap upon adsorption of nitrobenzene and its p-substituted derivativesPreeti SinglaSonal SinghalNeetu GoelOriginal Research
The BNNTs are known to have a constant band gap of 5.5 eV independent of geometrical parameters. The easy tailoring of band gap of BNNT still remains a challenging task. Our density functional theory-based investigations propose a robust method of tuning the BNNT band gap through its non-covalent functionalization by nitrobenzene derivatives. Our study suggests 52 % reduction in BNNT band gap after binding of nitrobenzene derivatives. Tuning the BNNT band gap after adsorption of nitrobenzene derivatives is shown to be possible within the range of 2.69–3.45 eV owing to remarkable sensitivity to the electron releasing or withdrawing capacity of the functional group attached to nitrobenzene. The specific trend observed in the band gap values (–NH2 & –OCH3 & –OH & –CH3 & –COOH & –CN) is guided by the inductive effect of the substituent attached to nitrobenzene. The present study confirms that the adsorption of nitrobenzene derivatives on the BNNT surface is exothermic and physical in nature. Since adsorption does not cause any structural deformations of the tube, therefore, this method offers advantages in terms of easy desorption and reusability of BNNT.
DFT BNNT Nitrobenzene Adsorption Band gap tuning NG thanks University Grants Commission (UGC), New Delhi under Grant F. No. 41-342/22012(SR) for financial support. SS gratefully acknowledges financial Grant from Council of Scientific and Industrial Research (CSIR) via Grant no. 01(2499)/11/EMR-II. PS also thanks CSIR for the junior research fellowship. We are grateful to the reviewer for critical evaluation and important suggestions.1.Soltani A, Ahmadian N, Kanani Y, Dehnokhalaji A, Mighani H (2012) Ab initio investigation of the SCN- chemisorption of single-walled boron nitride nanotubes. Appl Surf Sci 258:2.Dong Q, Li XM, Tian WQ, Huang XR, Sun CC (2010) Theoretical studies on the adsorption of small molecules on Pt-doped BN nanotubes. J Mol Struct 948:83–923.Rimola A, Sodupe M (2013) Physisorption vs. chemisorption of probe molecules on boron nitride nanomaterials: the effect of surface curvature. 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We use cookies to improve your experience with our site.Noninvasive Cell Tracking | SpringerLink
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Noninvasive Cell TrackingFabian KiesslingChapter
Cell-based therapies may gain future importance in defeating different kinds of diseases, including cancer, immunological disorders, neurodegenerative diseases, cardiac infarction and stroke. In this context, the noninvasive localization of the transplanted cells and the monitoring of their migration can facilitate basic research on the underlying mechanism and improve clinical translation.In this chapter, different ways to label and track cells in vivo are described. The oldest and only clinically established method is leukocyte scintigraphy, which enables a (semi)quantitative assessment of cell assemblies and, thus, the localization of inflammation foci. Noninvasive imaging of fewer or even single cells succeeds with MRI after labeling of the cells with (ultrasmall) superparamagentic iron oxide particles (SPIO and USPIO). However, in order to gain an acceptable signal-to-noise ratio, at a sufficiently high spatial resolution of the MR sequence to visualize a small amount of cells, experimental MR scanners working at high magnetic fields are usually required. Nevertheless, feasibility of clinical translation has been achieved by showing the localization of USPIO-labeled dendritic cells in cervical lymph nodes of patients by clinical MRI.Cell-tracking approaches using optical methods are important for preclinical research. Here, cells are labeled either with fluorescent dyes or quantum dots, or transfected with plasmids coding for fluorescent proteins such as green fluorescent protein (GFP) or red fluorescent protein (RFP). The advantage of the latter approach is that the label does not get lost during cell division and, thus, makes imaging of proliferating transplanted cells (e.g., tumor cells) possible.In summary, there are several promising options for noninvasive cell tracking, which have different strengths and limitations that should be considered when planning cell-tracking experiments.Unable to display preview.&Ahrens ET, Feili-Hariri M, Xu H et al (2003) Receptor-mediated endocytosis of iron-oxide particles provides efficient labeling of dendritic cells for in vivo MR imaging. Magn Reson Med 49:Ahrens ET, Flores R, Xu H et al (2005) In vivo imaging platform for tracking immunotherapeutic cells. Nat Biotechnol 23:983–987Anderson SA, Shukaliak-Quandt J, Jordan EK et al (2004) Magnetic resonance imaging of labeled T-cells in a mouse model of multiple sclerosis. 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J Neurosci Res 73: 284–295Fabian Kiessling11.Abteilung Medizinische Physik in der RadiologieDeutsches KrebsforschungszentrumHeidelberg
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