chitin and chitosan from microorganisms
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...
- 10
- 819
- 0
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...
- 24
- 1K
- 1
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...
- 12
- 744
- 0
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...
- 13
- 537
- 0
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...
- 30
- 1.5K
- 0
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...
- 28
- 561
- 0
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...
- 2
- 617
- 0
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)...
- 5
- 407
- 0
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...
- 21
- 587
- 0
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...
- 28
- 283
- 0
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...
- 20
- 360
- 0
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...
- 33
- 334
- 0
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...
- 21
- 546
- 0
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...
- 5
- 500
- 1
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 ...
- 1.1K
- 455
- 0
Tài liệu Unix Use and Security From The Ground Up_ The Prophet pdf
Ngày tải lên :
21/12/2013, 04:19
... would include "tam", "tbm", and "tcm" Most commands and programs in Unix take their input from the keyboard and send their output to the screen With most commands and programs, however, you can ... COMMANDS -The Unix C compiler has a command called system that executes Unix commands and programs as if you had typed in the commands from the keyboard The format is: system("command ... [user][group][other] R stands for read, w stands for write, and x stand for execute "rwxrwxrwx" means that all three classes of users, owner, group, and other, have read, write, and execute permissions...
- 50
- 551
- 0
Tài liệu Lab 1.1.7 Using ping and tracert from a Workstation pdf
Ngày tải lên :
21/12/2013, 19:15
... are successful and ping or tracert can verify connectivity with an Internet Web site, what does this indicate about the computer configuration and about routers between the computer and the web ... 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...
- 6
- 419
- 0
12 Powerful Ideas On Creativity and Business From The PSFK Conference
Ngày tải lên :
09/02/2014, 20:13
... and getting rewarded for it As health costs soar and awareness of healthy (and unhealthy) behaviour rises, tools like this have the potential to actually change behaviour for the positive – and ... practices to carbon footprints The opportunity, as Dana Cho and Beau Trincia from IDEO shared in their presentation, is for brands to embrace and proactively share their “story of the maker.” In a ... human connection, taking them behind the scenes (as brands like Rawley Denim and Etsy are doing) can create die-hard fans and inspire coveted brand loyalty … not to mention sell more stuff at retail...
- 5
- 310
- 0
Tài liệu People Make the City,’’ Executive Summary - Joint Urban Operations Observations and Insights from Afghanistan and Iraq pdf
Ngày tải lên :
17/02/2014, 23:20
... operations observations and insights taken from thousands of pages of hard-copy and online material and from 102 interviews relating to Operation Enduring Freedom (OEF) and Operation Iraqi Freedom ... joint urban operations observations and insights taken from thousands of pages of hard-copy and online material and from 102 interviews relat3 The quotation comes from an interview with Jeffrey Lau ... understand: Understand the nature of the conflict, the enemy, the battlefield, and the nature of indigenous populations and cultures Glenn and Helmus (2007) Introduction Men make the city and not...
- 86
- 409
- 0