Search Results - "COUTINHO, L. H"

Photostability of gas- and solid-phase biomolecules within dense molecular clouds due to soft X-rays by Pilling, S., Andrade, D. P. P., do Nascimento, E. M., Marinho, R. R. T., Boechat-Roberty, H. M., de Coutinho, L. H., de Souza, G. G. B., de Castilho, R. B., Cavasso-Filho, R. L., Lago, A. F., de Brito, A. N.

“…An experimental photochemistry study involving gas- and solid-phase amino acids (glycine, DL-valine, DL-proline) and nucleobases (adenine and uracil) under…”
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CD34+AC133+ Cells Isolated from Cord Blood are Highly Enriched in Long‐Term Culture‐Initiating Cells, NOD/SCID‐Repopulating Cells and Dendritic Cell Progenitors by de Wynter, E. A., Buck, D., Hart, C., Heywood, R., Coutinho, L. H., Clayton, A., Rafferty, J. A., Burt, D., Guenechea, G., Bueren, J. A., Gagen, D., Fairbairn, L. J., Lord, B. I., Testa, N. G.

“…The AC133 antigen is a novel antigen selectively expressed on a subset of CD34+ cells in human fetal liver, bone marrow, and blood as demonstrated by flow…”
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Use of rpoB and 16S rRNA genes to analyse bacterial diversity of a tropical soil using PCR and DGGE by Peixoto, R.S., Da Costa Coutinho, H.L., Rumjanek, N.G., Macrae, A., Rosado, A.S.

“…Aim: To evaluate the rpoB gene as a biomarker for PCR‐DGGE microbial analyses using soil DNA from the Cerrado, Brazil. 
Methods: DNA extraction from soil was…”
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Breaking the disulfide chemical bond using high energy photons: the dimethyl disulfide and methyl propyl disulfide molecules by Varas, L. R, Coutinho, L. H, Bernini, R. B, Betancourt, A. M, de Moura, C. E. V, Rocha, A. B, de Souza, G. G. B

“…In order to study the stability of the disulfide chemical bond in molecules subjected to a flux of high energy photons, the ionic fragmentation of two…”
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VUV and soft x-ray ionization of a plant volatile: Vanillin (C8H8O3) by Betancourt, A Moreno, Coutinho, L H, Bernini, R B, de Moura, C E V, Rocha, A B, de Souza, G G B

“…Plant volatiles are emitted by plants in response to several forms of stress, including interaction with energetic photons. In the present work, we discuss the…”
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Relativistic and interchannel coupling effects in photoionization angular distributions by synchrotron spectrocopy of laser cooled atoms by COUTINHO, L. H, CAVASSO-FILHO, R. L, ROCHA, T. C. R, HOMEM, M. G. P, FIGUEIRA, D. S. L, FONSECA, P. T, CRUZ, F. C, NAVES DE BRITO, A

“…We investigate the angular distribution of photoionization fragments at low photon energies (12-40 eV) in an open shell atom, by synchrotron radiation recoil…”
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Application of a multivariate normal distribution methodology to the dissociation of doubly ionized molecules: The DMDS (CH3-SS-CH3) case by Varas, Lautaro R., Pontes, F. C., Santos, A. C. F., Coutinho, L. H., de Souza, G. G. B.

“…Rationale The ion‐ion‐coincidence mass spectroscopy technique brings useful information about the fragmentation dynamics of doubly and multiply charged ionic…”
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Core level (S 2p) excitation and fragmentation of the dimethyl sulfide and dimethyldisulfide molecules by Bernini, R B, da Silva, L B G, Rodrigues, F N, Coutinho, L H, Rocha, A B, de Souza, G G B

“…Electronic excitation and ionic dissociation of dimethylsulfide (DMS) and dimethyldisulfide (DMDS) have been studied around the S 2p edge using synchrotron…”
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Sugarcane trash levels in soil affects the fungi but not bacteria in a short-term field experiment by Rachid, C.T.C.C., Pires, C.A., Leite, D.C.A., Coutinho, H.L.C., Peixoto, R.S., Rosado, A.S., Salton, J., Zanatta, J.A., Mercante, F.M., Angelini, G.A.R., Balieiro, Fabiano de Carvalho

“…The sugarcane in Brazil is passing through a management transition that is leading to the abolition of pre-harvest burning. Without burning, large amounts of…”
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Comparison of DNA extraction protocols for microbial communities from soil treated with biochar by Leite, D C A, Balieiro, F C, Pires, C A, Madari, B E, Rosado, A S, Coutinho, H L C, Peixoto, R S

“…Many studies have evaluated the effects of biochar application on soil structure and plant growth. However, there are very few studies describing the effect of…”
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Soil aggregation and bacterial community structure as affected by tillage and cover cropping in the Brazilian Cerrados by Peixoto, R.S., Coutinho, H.L.C., Madari, B., Machado, P.L.O.A., Rumjanek, N.G., Van Elsas, J.D., Seldin, L., Rosado, A.S.

“…Microbial-based indicators of soil quality are believed to be more dynamic than those based on physical and chemical properties. Recent developments in…”
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Single and double ionization of the camphor molecule excited around the C 1s edge by de Castilho, R. B., Ramalho, T. C., Nunez, C. V., Coutinho, L. H., Santos, A. C. F., Pilling, S., Lago, A. F., Silva-Moraes, M. O., de Souza, G. G. B.

“…RATIONALE An interesting class of volatile compounds, the monoterpenes, is present in some plants although their functions are not yet fully understood. We…”
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Description and performance of an electron-ion coincidence TOF spectrometer used at the Brazilian synchrotron facility LNLS by Burmeister, F., Coutinho, L.H., Marinho, R.R.T., Homem, M.G.P., de Morais, M.A.A., Mocellin, A., Björneholm, O., Sorensen, S.L., Fonseca, P.T., Lindgren, A., Naves de Brito, A.

“…This paper reports the characteristics and performance of a Time-of-Flight Mass Spectrometer (TOF-MS) for coincidence measurements between electrons and ions…”
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Dissociative photoionization of adenine following valence excitation by Pilling, S., Lago, A. F., Coutinho, L. H., de Castilho, R. B., de Souza, G. G. B., de Brito, A. Naves

“…We present results on the valence level excitation, ionization and dissociation of adenine, using time‐of‐flight mass spectrometry and synchrotron radiation,…”
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Discrimination of Rhizobium tropici and R. leguminosarum strains by PCR‐specific amplification of 16S–23S rDNA spacer region fragments and denaturing gradient gel electrophoresis (DGGE) by De Oliveira1, V. M., Coutinho, H. L. C., Sobral, B. W. S., Guimarães, C. T., Van Elsas4, J. D., Manfio, G. P.

“…With the aim of detecting Rhizobium species directly in the environment, specific PCR primers for Rh. tropici and Rh. leguminosarum were designed on the basis…”
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Functional studies of bone marrow haemopoietic and stromal cells in the myelodysplastic syndrome (MDS) by Coutinho, L H, Geary, C G, Chang, J, Harrison, C, Testa, N G

“…Long-term bone marrow culture (LTBMC) was used to investigate the proliferative behaviour of marrow cells from a spectrum of cases of the myelodysplastic…”
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Extensive Amplification of Single Cells from CD34+ Subpopulations in Umbilical Cord Blood and Identification of Long‐Term Culture‐Initiating Cells Present in Two Subsets by de Wynter, E. A., Nadali, G., Coutinho, L. H., Testa, N. G.

“…CD34+ cord blood cells were isolated with immunomagnetic beads and fractionated by fluorescence‐activated cell sorting (FACS) into three subpopulations:…”
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Effects of Recombinant Human Granulocyte Colony-Stimulating Factor (CSF), Human Granulocyte Macrophage-CSF, and Gibbon Interleukin-3 on Hematopoiesis in Human Long-Term Bone Marrow Culture by Coutinho, Lucia H., Will, Andrew, Radford, John, Schiró, Raffaella, Testa, Nydia G., Dexter, T.Michael

“…We have studied the effects of recombinant human granulocyte colony-stimulating factor (rhG-CSF), hG macrophage-CSF (hGM-CSF), and gibbon interleukin-3 (glL-3)…”
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Autografting in Philadelphia (Ph)+ chronic myeloid leukaemia using cultured marrow : an update of a pilot study by COUTINHO, L. H, CHANG, J, TESTA, N. G, BRERETON, M. L, MORGENSTERN, G. R, SCARFFE, J. H, HARRISON, C. J, LIU YIN, J. A, DARBYSHIRE, P. J, BURDACH, S, DEXTER, T. M

“…Incubation of CML marrow in long-term culture (LTC) conditions may result in selection of normal (Ph-) LTC-initiating cells (LTC-IC) as early as 10 days, and…”
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Evaluation of cytogenetic conversion to Ph- haemopoiesis in long-term bone marrow culture for patients with chronic myeloid leukaemia on conventional hydroxyurea therapy, on pulse high-dose hydroxyurea and on interferon-alpha by Coutinho, L H, Brereton, M L, Santos, A M, Ryder, W D, Chang, J, Harrison, C J, Yin, J A, Dexter, T M, Testa, N G

“…Long-term bone marrow culture (LTBMC) has been used successfully in autologous transplantation in chronic myeloid leukaemia (CML). However, variation between…”
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