chitin and chitosan from marine organisms
Extraction and characterization of chitin and chitosan from marine sources in Arabian Gulf
Ngày tải lên :
25/08/2016, 11:21
... a -chitin and b -chitin more clearly due to the different arrangements adopted by these polymorphs Fig shows XRD patterns of b -chitin from CH-Cut and a -chitin from CH-TP The XRD profile of the a -chitin ... band is observed in case of the b -chitin at 1656 cmÀ1 which is com- Fig TGA thermograms for a -chitin from CH-Cr-M (A) and b -chitin from CH-Cut (B) The inset figure shows DSC thermogram for a -chitin ... chitin can be used to distinguish between a -chitin and b -chitin (i) Due to the different arrangement between a -chitin and b -chitin, amide I band in a -chitin spectrum splits at 1660 cmÀ1 which is...
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Optimization of chitin and chitosan extraction from by product from white leg shrimp (penaeus vannamei) industry in vietnam to improve its quality and efficiency
Ngày tải lên :
15/08/2015, 22:14
... pH Drying Chitin Figure 3.39: Proposed procedue for recovering chitin and protein from heads of white leg shrimp Chitin Figure 3.40: Proposed procedue for recovering chitin and protein from shells ... procedures applied new technology to recover chitin, chitosan and protein and estimating their benefits 3.6.1 The proposed procedures to recover chitin, chitosan and protein 19 Based on the results achieved ... 11,10% and 3,73%; whereas those of time on DD and solubility were 5,85% and 10,13%, respectively Table 3.19: Analysis of variance from chitosan s Table 3.20: Analysis of variance from chitosan s...
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báo cáo khoa học: "Tubular immunostimulating complex based on cucumarioside A2-2 and monogalactosyldiacylglycerol from marine macrophytes" potx
Ngày tải lên :
11/08/2014, 00:23
... films [7], and the injection of diethyl ether [9] The aim of the present work was to obtain an antigen carrier based on triterpene glycosides from C japonica, cholesterol, and MGalDG from marine ... triterpene glycosides from C japonica, cholesterol and MGalDG from Ulva fenestrata (or PC from egg yolk) were mixed at the weight ratio of 3:2:6 Then denaturated monomeric porin from Y pseudotuberculosis ... TI-complexes consisting of the sum of monosulfated triterpene glycosides from Cucumaria japonica, cholesterol, and MGalDG from marine macrophytes with a component weight ratio of 3:2:6 was used as...
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chitin and chitosan: Chemistry, propertíes and applications
Ngày tải lên :
24/08/2016, 16:29
... 337 Chitin and Chitosan – Chitin and Chitosan in Life Science, edited by T Uragami, K Kurita and T Fukamizo (Kodansha Scientific Ltd, Tokoyo, Japan) 2001 Lim S & Hudson S M, Review of chitosan and ... n-hydroxypropyl chitosan, quaternary hydroxypropyl-substituted chitosan, polyoxyalkylene chitosan, chitosan oligosaccharides, chitin sulphate, and carboxymethyl chitin Some derivatives of chitosan can ... absence of (vii) Nanocomposite from Natural Polysaccharide (Chitin/ chitosan) Although chitin and chitosan are useful biomass polymers, their applications are limited An outstanding concept would bring...
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An infrared investigation in relation with chitin and chitosan characterization
Ngày tải lên :
24/08/2016, 16:48
... Lyon: Jacques Andre, 1998 p 378±83 [36] Iwamoto R, Miya M, Mima S In: Hirano S, Tokura S, editors Chitin and chitosan and the related enzymes Tottori: The Japanese Society of Chitin and Chitosan, ... due to vibration band within CO2 molecules From this result, using the absorbance values of the bands at 3350 cm 21 (as the reference band) and 1320 cm 21 (as the measuring band) and the baselines ... a- and b -chitin (samples 22 and 25, respectively) recorded under different sampling techniques For a -chitin: (a) ATR on ®lm, (b) DRIFTS on powder, (c) Standard transmission on ®lm, (d) Standard...
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Chitin and chitosan: Properties and applications
Ngày tải lên :
25/08/2016, 11:09
... Table Chemical shifts of solid chitin [44] C1 C2a C3 C4 C5 C6 CQOa CH3 609 Table Sources of chitin and chitosan [46] Anhydrous b -chitin from diatom spines (ppm) a -chitin from lobster tendon (ppm) ... uorinated chitin [68], Nand O-sulfated chitin [65,69,70], (diethylamino)ethylchitin [71], phosphoryl chitin [72], mercaptochitin [73] ARTICLE IN PRESS M Rinaudo / Prog Polym Sci 31 (2006) 603632 and chitin ... and found in bacteria, fungi and plants, and in the digestive systems of many animals Chitinases are involved in host defense against bacterial invasion Lysozymes from egg white, and from g and...
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Functional Characterization of Chitin and Chitosan
Ngày tải lên :
25/08/2016, 11:35
... Related to Chitin and Chitosan Source: Scopus Publication Year After 2000 Search Reviews Articles Patents Chitin and not chitosan 182 2741 9064 Chitosan and not chitin 401 5959 20041 Chitin and chitosan ... of Chitin and Chitosan In: Muzzarelli RAA, Peter MG, Eds Chitin handbook Grotammare: European Chitin Society 1997: 87-101 Yen M, Yang J, Mau J Physicochemical characterization of chitin and chitosan ... configurations of Chitin (A) -chitin, (B) ß -chitin and (C) -Chitin known These are the heterogeneous deacetylation of solid chitin and the homogeneous deacetylation of pre-swollen chitin under vacuum...
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Báo cáo khoa học: Thermodynamic stability and folding of proteins from hyperthermophilic organisms doc
Ngày tải lên :
07/03/2014, 05:20
... between thermostable and hyperthermostable proteins was made, and few hyperthermostable proteins were included Perhaps proteins from hyperthermophilic organisms most often use Models and 2, whereas ... cysteines and are poorer in disulfide bonds than their thermostable and mesostable Table Thermal midpoints (TM), thermodynamic stability (DGU), and kinetic folding ⁄ unfolding parameters (kf and ku) ... note that the histone-like HU protein from T maritima differs from MfrH and PyArH in that it remains folded at high temperatures using a combination of Models and [47] Moreover, this protein is...
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Báo cáo y học: "introduction to special issue on Eye and Zoonosis – from the guest editors"
Ngày tải lên :
03/11/2012, 11:11
... Ophthalmology: Delair E, Monnet D, Grabar S, Dupouy-Camet J, Yera H, Brézin AP Respective roles of acquired and congenital infections in presumed ocular toxoplasmosis Am J Ophthalmol 2008;146:851-5) • Optical ... treatment of ocular toxoplasmosis We hope that this special issue will be interesting to readers and provides researchers with timely update on various topics in this important field Conflict of...
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Silychristin and isosilychristin from the fruits
Ngày tải lên :
07/11/2012, 15:53
... at m/z 483 [M+H]+ in the positive and an ion peak at m/z 481 [M-H]+ in the negative spectra All NMR assignments of were made carefully from HSQC and HMBC and from the comparison with those of ... horseradish peroxidases and lipoxygenase and antihepatotoxic agent [5] Compound was obtained as yellow crystals from methanolic extract of the fruits of S marianum (L.), mp 155 - 157oC and had similar ... two doublets at H 5.85 and 5.90 ppm (J = 1.5 Hz), two doublets at H 6.82 and 6.87 ppm, three other aromatic protons at H 6.79 (d, J = 8.0 Hz), 6.81 (dd, J = 8.0, 1.0 Hz) and 6.99 (d, J = 1.0 Hz)...
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Sockets and Services from a Security Point of View
Ngày tải lên :
29/09/2013, 13:20
... The username and password are sent from the client to the server unencrypted, and the password is sent complete and unsalted In POP, the server asks for the username and password, and the client ... mail service, on the other hand, is a large, complex piece of software that accepts data (mail) from and returns data to the client, as well as reads and stores data and configuration information ... decrypt the random number If the decrypted random number matches the original random number, then the client has proven that it knows the hash and the server can trust it On the wire, only a random...
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Backing up, restoring and cloning from Norton Ghost
Ngày tải lên :
06/10/2013, 10:20
... Setting options and defaults Setting Norton Ghost options and defaults Adding command-line switches to a task You can add command-line switches to a task to alter its operation To add command-line switches ... select a destination and file name to which the disk or partition(s) is to be backed up Click Next Backing up, restoring, and cloning from Norton Ghost Restoring your computer from an image file ... hard disk or partition See “Restoring from an image file” on page 101 37 38 Backing up, restoring, and cloning from Norton Ghost Restoring your computer from an image file To restore a disk or...
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Backing up, restoring, and cloning from DOS
Ngày tải lên :
06/10/2013, 10:20
... restoring, and cloning from DOS Restoring from an image file Restoring from an image file You can restore either of the following: ■ A hard disk ■ A partition The restore is made from a previously ... Doctor, ScanDisk, or a similar utility to verify the integrity of the destination disk Backing up, restoring, and cloning from DOS Restoring from an image file Restoring a partition from an image ... enabled and required, click Yes and type the location of the next span of the image file See “Image files and volume spanning” on page 63 Note: If the image file reaches the size of GB and there...
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Ordinary Reason Applied to Law - Natural Reasoning and Deduction from Rules
Ngày tải lên :
01/11/2013, 08:20
... between principles and particulars in this way, the reasoner can reach a better understanding of both moral values and their implications for the case at hand.4 See Alexander and Sherwin, The Rule ... right, independent from other moral principles If protection of residents from traffic and noise were definitive moral reasons to enjoin Ben, and if Claire’s facility will cause traffic and noise to the ... moral gain from (what she believes is) a correct understanding of liberty and property rights as applied to Mike’s One difficulty is that the loss of coordination from any single departure from the...
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Global environmental protection instruments and the polar marine environment
Ngày tải lên :
01/11/2013, 09:20
... resulting from marine pollution and other maritime incidents resulting in impact upon the marine environment.10 The result is a global body of law dealing with marine pollution and protection of the marine ... enters into force A E Boyle, ‘Land-Based Sources of Marine Pollution: Current Legal Regime’, Marine Policy, Vol 16, 1992, p 24; and, more generally, M Qing-nan, Land-Based Marine Pollution: International ... sediment mobilisation and land litter.38 Assessment Land-based marine pollution is a problem of considerable importance in the Arctic, and was identified as a major source of marine environmental...
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United Nations Convention on the Law of the Sea and the polar marine environment
Ngày tải lên :
01/11/2013, 09:20
... (International rules and national legislation to prevent, reduce and control pollution of the marine environment), Section (Enforcement) and Section (Safeguards) The LOS Convention and the polar marine environment ... pollution from different sources Thus, for example, Article 207 stipulates that states shall adopt laws and regulations to prevent, reduce and control pollution of the marine environment from land-based ... reduction and control of pollution from vessels’ (Article 211(5)) However, such laws and regulations must conform with and give effect to ‘generally accepted international rules and standards established...
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15 Estimation Theory and Algorithms: From Gauss to Wiener to Kalman
Ngày tải lên :
08/11/2013, 12:15
... matrix R(k), θ is Gaussian with mean mθ and covariance matrix Pθ , and, θ and V(k) are statistically independent, then θ and Z(k) are jointly Gaussian, and, (15.15) becomes ˆ θMS (k) = mθ + Pθ ... Gaussian, with mean mx (0) and covariance Px (0), and x(0) is not correlated with w(k) and v(k) The dimensions of matrices , , , H, Q, and R are n × n, n × p, n × l, m × n, p × p, and m × m, respectively ... where k = 1, 2, Observe, from (15.26) and (15.27), that x(0|0) and P(0|0) initialize the single-stage predictor and ˆ its error covariance, where x(0|0) = mx (0) and P(0|0) = P(0) ˆ A more...
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Tài liệu Lab 1.1.7 Using ping and tracert from a Workstation ppt
Ngày tải lên :
11/12/2013, 13:15
... to the router on the local network and probably the rest of the world Step ping the IP address of a DHCP or DNS servers Try to ping the IP address of any DHCP and/ or DNS servers listed in the last ... computer Type the following command: ping 127.0.0.1 The 127.0.0.0 network is reserved for loopback testing If the ping is successful, then TCP/IP is properly installed and functioning on this computer ... ping would have failed because TCP/IP only understands valid IP addresses, not names If the ping was successful, it means that connectivity and discovery of IP addresses can be done with only...
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Tài liệu WeB DeVelopmenT Introduces Introduces Beginning PHP and MySQL From docx
Ngày tải lên :
12/12/2013, 11:15
... Linux Magazine, and TechTarget He’s the author of several books, including the best-selling Beginning PHP and MySQL: From Novice to Professional, Beginning PHP and PostgreSQL 8: From Novice to ... explicit constructors and destructors, object cloning, class abstraction, variable scope, and interfaces, and a major improvement regarding how PHP handles object management Chapters and offer thorough ... 217 Exception Handling 221 Why Exception Handling Is Handy 221 PHP’s Exception-Handling Implementation ...
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Tài liệu Nature and Properties of Micro-organisms doc
Ngày tải lên :
12/12/2013, 17:15
... opsonisation and protecting from phagocytosis E.g Streptococcus pneumoniae in RTI vaccination: pneumococcal; meningococcal A and C GLYCOCALYX loose meshwork of fibrils extending outward from the ... rapidly replaced Involved in motility and impart spinning movement and usually requires proton motive force Chemotaxis: flagella move bacteria towards or away from chemical attractant/repellent ... stained urethral discharge The image shows many polymorphonuclear leukocytes (PMNs) and gram-negative extra- and intra-cellular diplococci (1,000X oil) Pneumococci in sputum Other important bacteria...
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