Výsledky vyhledávání - "Nanda K. Menon"

Synthesis of Electron Energy Loss Spectra for the Quantification of Detection Limits

Autor: Nanda K. Menon, Ondrej L. Krivanek

Publikováno v: Microscopy and Microanalysis. 8:203-215

We describe a method for predicting detection limits of minority elements in electron energy loss spectroscopy (EELS), and its implementation as a software package that gives quantitative predictions for user-specified materials and experimental cond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64fe3fac3259c0bf453f4d37243ca6c5
https://doi.org/10.1017/s1431927602020111

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Metabolic Responses to Intracerebroventricular Leptin and Restricted Feeding

Autor: Tianlun Wang, William P. Flatt, Clifton A. Baile, Martin G. Hulsey, Diane L. Hartzell, Nanda K. Menon, Ronald A. Makula, Barbra S. Rose

Publikováno v: Physiology & Behavior. 65:839-848

Leptin is a hormone secreted by adipocytes, which plays an important role in the control of food intake and metabolic processes. In the current study, a dose-dependent relationship was shown between a bolus intracerebroventricular rat recombinant lep

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ca0933ec1099e0ad4b547cd4da6bbd8
https://doi.org/10.1016/s0031-9384(98)00243-1

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Electron Paramagnetic Resonance (EPR) Studies on Hydrogenase-1 (HYD1) Purified from a Mutant Strain (AP6) ofEscherichia coliEnhanced in HYD1

Autor: Harry D. Peck, Nanda K. Menon, Alan Przybyla, M.E. DerVartanian, Daniel V. DerVartanian

Publikováno v: Biochemical and Biophysical Research Communications. 227:211-215

Hydrogenase-1 (HYD1), overexpressed by twofold, has been purified to homogeneity and to a high specific activity from a mutant strain (AP6) of Escherichia coli which lacks hydrogenase-2. Plasma emission spectroscopy indicated that 0.93 atom of nickel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ac079ccc8f6a4fa628e4367eb585361
https://doi.org/10.1006/bbrc.1996.1491

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Cloning, sequencing, and mutational analysis of the hyb operon encoding Escherichia coli hydrogenase 2

Autor: M.E. DerVartanian, Nanda K. Menon, J C Wendt, Alan Przybyla, Harry D. Peck, Keelnatham T. Shanmugam, C. Y. Chatelus

Publikováno v: Journal of Bacteriology. 176:4416-4423

The genes encoding the two structural subunits of Escherichia coli hydrogenase 2 (HYD2) have been cloned and sequenced. They occur in an operon (hyb) which contains seven open reading frames. An hyb deletion mutant (strain AP3) failed to grown on dih

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15e484028f1769d2797c3866803bff4d
https://doi.org/10.1128/jb.176.14.4416-4423.1994

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Structure-function relationships among the nickel-containing hydrogenases

Autor: Jeffery Robbins, Alan Przybyla, Harry D. Peck, Nanda K. Menon

Publikováno v: FEMS Microbiology Letters. 88:109-136

The enzymology of the heterodimeric (NiFe) and (NiFeSe) hydrogenases, the monomeric nickel-containing hydrogenases plus the multimeric F420-(NiFe) and NAD(+)-(NiFe) hydrogenases are summarized and discussed in terms of subunit localization of the red

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aff6eda673e7d082c613f05c1889e374
https://doi.org/10.1111/j.1574-6968.1992.tb04960.x

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Localization of membrane-associated (NiFe) and (NiFeSe) hydrogenases ofDesulfovibrio vulgaris using immunoelectron microscopic procedures

Autor: Frank Mayer, Alan Przybyla, Jean Le Gall, Harry D. Peck, Manfred Rohde, Nanda K. Menon, Eui S. Choi, Ursel Fürstenau

Publikováno v: European Journal of Biochemistry. 191:389-396

The intracellular location of membrane-associated (NiFe) and (NiFeSe) hydrogenases of Desulfovibrio vulgaris was determined using pre-embedding and post-embedding immunoelectron microscopic procedures. Polyclonal antisera directed against the purifie

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https://doi.org/10.1111/j.1432-1033.1990.tb19134.x

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Solution NMR studies of the A beta(1-40) and A beta(1-42) peptides establish that the Met35 oxidation state affects the mechanism of amyloid formation

Autor: Michael P. Vitek, Liming Hou, Hua Li, Ronald A. Makula, § In-Ja L. Byeon, Nanda K. Menon, Michael G. Zagorski, and Alan B. Przybyla, Yongbo Zhang, Haiyan Shao, Dale Ray, John M. Brewer, Takashi Iwashita, Elizabeth B. Neuhaus

Publikováno v: Journal of the American Chemical Society. 126(7)

The pathogenesis of Alzheimer's disease is characterized by the aggregation and fibrillation of the 40-residue A beta(1-40) and 42-residue A beta(1-42) peptides into amyloid plaques. The structural changes associated with the conversion of monomeric

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https://pubmed.ncbi.nlm.nih.gov/14971932

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Nicotine and amyloid formation

Autor: Nanda K. Menon, Robert P. Freidland, Li Jun Peng, Hong Zeng, Arthur R. Salomon, Michael G. Zagorski, Yongbo Zhang, Jing Yang, Haiyan Shao

Publikováno v: Biological psychiatry. 49(3)

The major protein constituents of amyloid deposits in Alzheimer's disease (AD) are the 40-residue beta-amyloid (Abeta) (1-40) peptide and the 42-residue Abeta(1-42) peptide. The Abeta(1-42) is more pathogenic and produced in greater quantities in fam

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https://pubmed.ncbi.nlm.nih.gov/11230876

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