use of chromatography in animal ecology

... used in a more refined step of the purification process, being very useful in separating isoforms The retention principle of reverse-phase chromatography is based in hydrophobicity and is mainly ... (BthTX-1) using a immunoaffinity resin containing antibodies produced against the crotoxin 20 mg of crotoxin was solubilized in coupling buffer (sodium bicarbonate 100 mM, NaCl mM, pH 8.3) and incubated ... analysis of snake venomic consists in an initial fractioning step of the crude venom using RP - HPLC, followed by characterization of each fraction by a combination of amino-terminal sequencing,...

Ngày tải lên: 31/08/2014, 08:57

... and sexual behavior in female Macaques J Clin Endocrinol Metab 2004, 89, 2998-3006 Weikel JH Jr, Nelson LW Problems in evaluating chronicol toxicity of contraceptive steroids in dogs J Toxicol ... Significant changes in the structure of the canine endometrium are associated with degeneration of luminal epithelium, cystic endometrial hyperplasia, pyometra and adenocarcinoma [1,6] The basic ... pathologic changes of diabetes mellitus [8] Side effects of exogenous progesterones were focused on induction of mammary tumors Although progesterones counteracts the proliferative effects of estrogen...

Ngày tải lên: 07/08/2014, 18:21

... and linguists have presented different definitions on the concept of reading, ranging from the simple to complicated ones According to Durkin (1993: 37), reading is ―intentional thinking during ... meanings in the text (Treiman, 2001) In this sense, top-down reading strategies contain predicting, inferring, and focusing on meanings (Grabe 1991) Reading is actually ―a psychological guessing ... reading comprehension and its relationships to reading development In the study ―Cohesion and the teaching of EFL reading‖, Fulcher (1987) determines the roles of cohesion in assisting reading...

Ngày tải lên: 28/03/2015, 09:05

... turn-taking conversations 2.4 The nature of speaking 2.4.1 Definition of speaking Florez (1999) defined speaking was ‘an interactive process of constructing meaning that involves producing and ... way of absorbing, processing and retaining new information and skills - Motivation in L2 learning: can be defined as a combination of effort and desire to achieve a goal of language learning ... object of early instruction In this method, the learning of languages was viewed as analogous to the first language acquisition, and the learning process involved were often interpreted in terms of...

Ngày tải lên: 18/12/2013, 10:08

... strengthening cpacity for forest inventory including application of remote sesing imagery; 1991 – 1995: conducted 1st cycle of NFI with the use of Landsat TM to make forest cover maps at provincial ... selected? Modelling Issues -What tools, information we use? 4.5 Data Integration Requirements of Government and MARD Development of Forest Monitoring and Information System (FOMIS) by integrating RS, ... political aspects) Conventional techniques: time-consuming and costly; Insufficient capacity: in collecting, analyzing, synthesizing and reporting information, especially at local levels; Expensive...

Ngày tải lên: 24/01/2014, 03:20

... encoding/decoding; † Interleaving/de-interleaving: there can be two levels of interleaving before and after channel multiplexing; † Rate matching/de-matching; † Multiplexing/de-multiplexing; and, ... number of services, number of strong cells in the vicinity, characteristics of the wireless channel, e.g number of multipaths, etc The despread unit includes despreading of all channels including ... and 3G) terminal, one can consider the ‘‘Velcro’’ solution consisting of assembling two single mode terminals in the same case, with minimal hooks needed to allow inter-system monitoring This simplifies...

Ngày tải lên: 06/03/2014, 12:20

... public, be it in developed or developing countries Aquaculture development needs increasingly to take into account environmental impacts It is in this regard that maintaining and sustaining the environment ... the level of inbreeding in the population An example of positive assortative mating may be the fact that in human populations, individuals more often than at random select individuals of the opposite ... (and hence in uence the frequency of their underlying alleles) The ‘peppered moth’ is a classic example of this kind of balanced polymorphism because in polluted environments in Britain where it...

Ngày tải lên: 14/03/2014, 11:18

...  Engaging communities in child health will lead to detecting and initiating treatment of sick children  Increase competency in FP counseling in addition to assuring privacy of counseling at ... graph showing whether the indicator went up or down It should also include annotations pointing the time of main interventions that lead to the increase, or decrease, of the value of the indicator ... package into national service delivery policies and standards; build those aspects into pre-service training of health workers and in- service training of current staff  Incorporating quality indicators...

Ngày tải lên: 23/03/2014, 06:20

... Location Based Information 19.5 Using Devices to Summon Information 19.6 Pointing to the Real World 19.7 Pointing Greatly Simplifies the User Interface 19.8 Uses of Pointing 19.9 Software Architecture ... number of services, number of strong cells in the vicinity, characteristics of the wireless channel, e.g number of multipaths, etc The despread unit includes despreading of all channels including ... Some of the strategic plans he has written have resulted in Texas Instruments acquiring or investing in companies He first worked at Texas Instruments in Nice, France, as European product marketing...

Ngày tải lên: 18/04/2014, 12:06

... of community in this process, the Training courses were organized in all of pilot communes The method of training is mainly learning by doing the practical exercise The trainees of each training ... training course are Province representatives , District staff, commune staff and informants at village level Training material used in the course includes kinds: (i) Detailed PRA material including ... Tuyen Hoa district Quang Binh province Temperature Rainfall Spring rice 10 Harve sting Tending Planting Disease Stem disease, yellow leaf Winter tending harvesting Plantin g Disease Stem disease,...

Ngày tải lên: 26/05/2014, 23:30

... thinking Because of the synthesis impairment, acetylcholine is decreased in the neurons in the Alzheimer disease brain, leading to the incapability of learning, memory, and thinking Providing ... cavity [76] Proteins CNTs not only can deliver drugs of small molecules but also can deliver proteins MWCNTs have been used as cellular carriers of recombined ricin A chain protein toxin (RAT) for ... targeting The complexes of RAT and MWCNT were capable of translocating in the cytoplasm of various cell lines, including L-929, HL7702, MCF-7, HeLa, and COS-7, and showed excellent performance of...

Ngày tải lên: 20/06/2014, 22:20

... evaporating HTC of functionalized nanofluid increases maximally by 17% at the operating temperature of 40°C In addition, the MHF of functionalized nanofluid is quite close to that of water, which indicates ... condenser using soldering tin The copper sheet was taken off after the experiment by melting the soldering tin The scanning electron microscope (SEM) pictures and the contact angles of working fluids ... Experimental investigation of nanofluids on sintered heat pipe thermal performance Appl Therm Eng 2009, 29:973 13 Riehl RR: Analysis of loop heat pipe behaviour using nanofluid, in: Proceedings of heat...

Ngày tải lên: 21/06/2014, 01:20

... Being aware of any useful/relevant conversational gambits  Modelling  Determining appropriate types of groupings  Monitoring  Involving students in the self-correction of errors  Providing ... teacher - Making an effort in creating a relaxing atmosphere in class in order that most students are not afraid of speaking in front of the rest of the class Also, doing as many speaking activities ... process of building and sharing meaning through the use of verbal and non-verbal symbols, in a variety of contexts" (Chaney, 1998) Speaking is a crucial part of second language learning and teaching...

Ngày tải lên: 05/07/2014, 08:03

... 3: Evaluating some main agronomical traits and several components involving in rice yield traits, salinity tolerance level, rice quality of the lines carrying Saltol QTL in the net house and the ... salinity tolerance of rice in Vietnam 1.5.3.1 Use of the SSR markers which have tightly linked to Saltol QTL in rice breeding Application of molecular markers and anther culture to improve salinity ... Trang Provinces Most of cultivated land areas have been affected salinity and alum and flooding [4] 1.3 Genetic reseaches on salinity tolerance of rice 1.3.1 Mechanism of salinity tolerance of rice...

Ngày tải lên: 07/07/2014, 21:30

... 3: Evaluating some main agronomical traits and several components involving in rice yield traits, salinity tolerance level, rice quality of the lines carrying Saltol QTL in the net house and the ... Evaluation of the initial rice plant materials for improving salinity tolerance in rice 3.1.1 Evaluating salinity tolerance level of the rice lines/varieties in the artificial condition The results of ... salinity tolerance of rice in Vietnam 1.5.3.1 Use of the SSR markers which have tightly linked to Saltol QTL in rice breeding Application of molecular markers and anther culture to improve salinity...

Ngày tải lên: 07/07/2014, 21:51

... system and the inability to use visualize the area being resected in the surgeon’s line of sight have been factors that have limited a more wide spread use of this technology for this indication ... functions of cutting and coagulation while minimizing collateral tissue injury Decreasing overall tissue injury has obvious clinical implications with regard to surgical precision and less obvious clinical ... fiber causes less depth of thermal damage when compared with harmonic scalpel at recommended settings at the surgical margin While it is tempting to extrapolate these findings into potential clinical...

Ngày tải lên: 09/08/2014, 02:20

... operating characteristic (ROC) curve analysis was applied to evaluate different cut-off point of tumor size in order to find the appropriate size for clinical application SPSS 12.0 software (SPSS Inc, ... stage [13] In the current study, additional testing was performed in an attempt to define the critical volume in the advanced NPC We used a cut off value of 13 ml to divide patients into different ... extension, intrinsic resistance, or hypoxia should be considered for integration into the staging system Conclusions Since this is a retrospective study, a number of factors in terms of patient...

Ngày tải lên: 09/08/2014, 08:22

... down-regulation in the autopsy samples Interestingly, we also see up-regulation of genes involved in the ubiquitin cycle, protein ubiquitination, and ubiquitin-dependent protein catabolism This ... translated to functional proteins, up-regulation of genes involved in ubiquitin-dependent protein catabolism may lead to increased degradation of proteins in human brain samples after death This ... was obtained in writing from all donors or the next of kin None of the subjects had a history of neurological disease or had indications of brain abnormalities at the tissue level as determined...

Ngày tải lên: 14/08/2014, 16:20

... Main conveyor Main conveyor Load gypsum and add conveyor 2b conveyor 2b Stage 3: Grind materials become cements Materials adopt mainly conveyor pour in grind machine, commision of grind-machine ... connected in input modules of PLC, excitive organisms were connected to input modules The Process program: When the program load in memory of PLC, commisions will save in individually address area in ... activity of product all dring-chain in a shift * To take Responsibility with director about all his resolve Technic grouping: Shadowing case of equipments, gauge the parameter, analyze state of equipments...

Ngày tải lên: 26/09/2014, 23:46

Ngày tải lên: 24/11/2014, 01:06