Báo cáo khoa học: "Old colchicine-induced polyploid materials of Betula pendula Roth and Betula pubescens Ehrh " docx

Tài liệu Báo cáo khoa học: Fatty acid synthesis Role of active site histidines and lysine in Cys-His-His-type b-ketoacyl-acyl carrier protein synthases ppt

Tài liệu Báo cáo khoa học: Fatty acid synthesis Role of active site histidines and lysine in Cys-His-His-type b-ketoacyl-acyl carrier protein synthases ppt

... crystal structures of both CHH and CHN enzymes [1,4,5,11,12] have contributed to the under- standing of the role of conserved residues in the active site of CHH condensing enzymes, and analogies have been ... vicinity of the active site (Fig. 2). Three of the six cation lig- ands are main-chain oxygen atoms, and three are the side-chain oxygen atoms of N296, E342 and S38...
Ngày tải lên : 19/02/2014, 08:20
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Tài liệu Báo cáo khóa học: Non-specific depolymerization of chitosan by pronase and characterization of the resultant products pptx

Tài liệu Báo cáo khóa học: Non-specific depolymerization of chitosan by pronase and characterization of the resultant products pptx

... comparison of band absorbance. Absence of a sharp and convoluted spectral band around 3600–3000 cm )1 in the spectra of both chitosan and LMWC indicated the absence of free -OH groups and the involvement ... otherwise commercially available raw materials, viz. chitosan from the offal of marine food processing industry (and pronase), and show the biofunctionalities of the...
Ngày tải lên : 19/02/2014, 12:20
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Báo cáo khoa học: Tumor suppressor p16INK4a ) modulator of glycomic profile and galectin-1 expression to increase susceptibility to carbohydrate-dependent induction of anoikis in pancreatic carcinoma cells ppt

Báo cáo khoa học: Tumor suppressor p16INK4a ) modulator of glycomic profile and galectin-1 expression to increase susceptibility to carbohydrate-dependent induction of anoikis in pancreatic carcinoma cells ppt

... expres- sion levels of three b4GalT proteins, explicitly down- regulation of gene expression for proteins I and V and up-regulation of protein IV. Of note, transcriptional regulation of b4GalTs-I ⁄ ... -III, -V and -VI genes and abolishment of transcription of the b4GalT-IV gene [32]. Second, comparison of DNA microarray-based expression profiles between specimens of...
Ngày tải lên : 16/03/2014, 10:20
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Báo cáo khóa học: Endoplasmic reticulum-associated degradation of glycoproteins bearing Man5GlcNAc2 and Man9GlcNAc2 species in the MI8-5 CHO cell line docx

Báo cáo khóa học: Endoplasmic reticulum-associated degradation of glycoproteins bearing Man5GlcNAc2 and Man9GlcNAc2 species in the MI8-5 CHO cell line docx

... first level of which is the extension of LLOs. Depending on the preincubation time, various proportions of Man5GlcNAc2 and Man9GlcNAc2 are transferred to proteins. The ER processing of these two ... residue and nine Man and two GlcNAc residuesatthereducingend.M4Gn1,M5Gn1,M6Gn1,M7Gn1, M8Gn1, and M9Gn1 indicate oligomannosides with four, five, six, seven, eight and nine Man resi...
Ngày tải lên : 16/03/2014, 16:20
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Báo cáo khoa học: Purple membrane lipid control of bacteriorhodopsin conformational flexibility and photocycle activity An infrared spectroscopic study docx

Báo cáo khoa học: Purple membrane lipid control of bacteriorhodopsin conformational flexibility and photocycle activity An infrared spectroscopic study docx

... Levin 2 1 Laboratory of Cell Biology, National Heart, Lung, and Blood Institute and 2 Laboratory of Chemical Physics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, ... spectroscopic bandwidths are functions of dynamic parameters derived from intermolecular and intramolecular motions. Band shapes are often analyzed in the c...
Ngày tải lên : 17/03/2014, 03:20
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Báo cáo khoa học: "Tagging Inflective Languages: Prediction of Morphological Categories for a Rich, Structured Tagset" docx

Báo cáo khoa học: "Tagging Inflective Languages: Prediction of Morphological Categories for a Rich, Structured Tagset" docx

... consists of about 130,000 tokens of newspaper and magazine text, manually double- tagged and then corrected by a single judge. Our training data consists of about 130,000 tokens of newspaper and ... the set (of size n) of binary-valued (yes/no) features of the event value being predicted and its context, hi is a "weigth" (in the exponential sense) of the...
Ngày tải lên : 17/03/2014, 07:20
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Báo cáo khoa học: Discriminating between the activities of human cathepsin G and chymase using fluorogenic substrates potx

Báo cáo khoa học: Discriminating between the activities of human cathepsin G and chymase using fluorogenic substrates potx

... result of the presence of negatively-charged residues at P2 and P2¢ that are not accommodated within the b2-tryptase active site because of the presence of Asp147 and Asp143 within the S2 and the ... (i.e. a nega- tively-charged residue at P3 and P2¢, a Pro-Phe pair at P2–P1, and a Ser and a Pro at P1¢ and P3¢, respec- tively), and this represents one of the most sen...
Ngày tải lên : 28/03/2014, 22:20
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Báo cáo khoa học: "Techniques for controlled synthesis of the Douglas-fir - Laccaria laccata ectomycorrhizal symbiosis" docx

Báo cáo khoa học: "Techniques for controlled synthesis of the Douglas-fir - Laccaria laccata ectomycorrhizal symbiosis" docx

... mycorrhization of Douglas-fir (Pseudotsuga taxifolia Poir Britt). Studying the biology of this symbiosis led to the development of a number of experimental techniques for aseptic and ... Pachlewska J (1974) Studies on symbiotic properties of mycorrhizal fungi of pine (Pinus sylvestris) with the aid of the method of mycorrhizal synthesis in...
Ngày tải lên : 08/08/2014, 23:22
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Báo cáo khoa học: "Micronutrients in biomass fractions of holm oak, beech and fir forests of the Montseny massif (Catalonia, NE Spain)" pot

Báo cáo khoa học: "Micronutrients in biomass fractions of holm oak, beech and fir forests of the Montseny massif (Catalonia, NE Spain)" pot

... rates of change and total content of oligoelements vary greatly among species. The aim of this study was to determine the levels of 4 micro- nutrients (Mn, Fe, Zn and Cu) ... production and bioele- ments of three mature beech forests in South Sweden. Oikos 28, 95-104 Olsen C (1948) The mineral, nitrogen and sugar content of beech lea...
Ngày tải lên : 09/08/2014, 03:24
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Báo cáo khoa học: "Diffuse anorectal melanoma; review of the current diagnostic and treatment aspects based on a case report" doc

Báo cáo khoa học: "Diffuse anorectal melanoma; review of the current diagnostic and treatment aspects based on a case report" doc

... fixation and ulceration of the tumor and proctosig- moidoscopy may be suggestive of anorectal melanoma The excised specimen of our caseFigure 1 The excised specimen of our case. Microscopic view of ... (GIST), paragangg- lioma and neoplasm of melanocytic origin. The positive expression of the HMB-45 and S-100 protein antibodies set the diagnosis of the malignant neopla...
Ngày tải lên : 09/08/2014, 04:21
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