risk assessment for radioactive substances
Analysis of Pesticides in Food and Environmental Samples - Chapter 1 doc
... active substances is higher than 500 However, as pesticides are toxic substances that may have undesirable effects, their use has to be regulated Risk assessment of pesticides requires information ... 1.6 Toxicity and Risk Assessment 32 References 34 1.5.2 1.1 INTRODUCTION A pesticide is any substance or mixture of substances, natural or synthetic, formulated to control ... effects, and other terms used in the risk assessment of chemicals are hazard, defined as the potential to cause harm, and risk, defined as the likelihood of harm Risk characterization is the estimation...
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The Dictionary, Hashtable, and Properties Classes
... later in this chapter For now, take a look at Table 5−2, which shows a complete method listing for the Hashtable class Several of these methods provide implementations for the abstract ones defined ... Returns set of key−value pairs in hash table Checks for equality with another object Retrieves value for key in hash table Computes hash code for hash table Checks if hash table has any elements ... simple hashing algorithm for strings, along with an example of why it is bad A better example follows A simple hashing algorithm for strings adds up the numerical values for the characters of the...
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Tài liệu Nature and Properties of Micro-organisms doc
... No DNA or RNA Normal cellular form of protein vs pathological form Pathological form found in neural tissue and tonsils PrP-C & PrP-Sc Pathology Spongiform encephalopathy: transmissible, ... intracellular parasites Use host cell for nucleic acid and protein synthesis Cell attachment: target for blocking antibody vaccines Intracellular replication: target for antiviral drugs n.b retroviruses ... Degeneration (cytopathic effect): CMV Cell lysis Cell fusion, syncytia formation: RSV Cell proliferation Transformation: malignancy (parvoviruses) Latent infection - no sign of infection...
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Tài liệu Classification and Marking docx
... (ingress for route propagation, egress for packet forwarding) in an Autonomous System BGP then carries the information to other routers in the AS and translates (using a route map) this information ... command (ip policy-map) is used for forwarded packets The second command (ip local policy-map) is used for packets generated by a router and is typically used for tunneling packets (e.g DLSw) ... parameters: n Output interface: force the router to forward packets to an interface even if it would not provide for optimal routing n Next-hop address: to make a forwarding decision by using a...
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Tài liệu Báo cáo khoa học: The tungsten-containing formate dehydrogenase from Methylobacterium extorquens AM1: Purification and properties docx
... The apparent Km values for FDH1 were determined to be 1.6 mM for sodium formate and 0.07 mM for NAD+ Sodium azide is known as a transition state analogue of formate and therefore a general inhibitor ... whose sequence has been released before publishing by the Institute for Genomic Research (http:// tigrblast.tigr.org/ufmg/) Analytical methods Results and discussion For the determination of tungsten, ... (http://www.ncbi.nlm.nih.gov) The sequences for the putative formate dehydrogenase subunits homologous to the subunits of FDH1 were also identified in the Methylococcus Purification of NAD-dependent formate dehydrogenase...
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Tài liệu Báo cáo khoa học: Identi®cation and properties of type I-signal peptidases of Bacillus amyloliquefaciens doc
... was transformed with competence treatment [36] B subtilis was transformed either after competence treatment [33] or protoplast formation [37] The latter method was also used to transform B amyloliquefaciens, ... procedures were applied for B subtilis or B amyloliquefaciens except that for plasmid isolation, cells were prepared in lysis buffer with lysozyme (4 gáL)1) at 37 °C, incubated for The digestion and ... Center for Biotechnology Information, Bethesda, MD, USA) was used for online database scanning Phenetic and cladistic analyses of the amino-acid alignment were performed in PAUP* 4.0b8 [39] Mean...
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For Chronic Kidney Disease: Evaluation, Classification and Stratification doc
... and Relative Risk for Death 244 Proteinuria and Relative Risk for Cardiovascular Disease 246 Proteinuria and Relative Risk for CVD Death 247 Proteinuria and Relative Risk for Death ... Chronic Kidney Disease 73 Classification of Risk Factors 76 Types and Examples of Risk Factors for Chronic Kidney Disease 76 Potential Risk Factors for Susceptibility to and Initiation of ... Interventions for each stage are given beneath the stage Individuals who appear normal should be screened fo CKD risk factors Individuals known to be at increased risk for CKD should be screened for CKD...
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Officer Classification and the Future of Diversity Among Senior Military Leaders doc
... coursework, or foreign language skills for officers to qualify for many Air Force Specialty Codes (AFSCs).3 Similarly, Navy midshipmen can apply for admission only to those career field communities for ... While the Air Force and Navy restrict career field options for officer candidates, Army cadets are permitted to apply for admission to most career fields.1 For its part, the Air Force distinguishes ... Catherine Chao for helping us prepare the document for publication xv Abbreviations ADSO active duty service obligation AFSC Air Force Specialty Code APS academic program score CPR cadet performance...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
... 5Â-TTTGTCGACTGATCAGGAGCGCAGGC C-3Â (27-mer) PCR was carried out at 94 C for min, followed by 35 cycles of 94 C for 15 s, 55 C for 30 s, and 68 C for The PCR products were digested with SmaI and SalI and ligated ... FMN-bound form has been reported [15] The Km of S tokodaii HpaC for FMN is unknown, but that of E coli HpaC is reported to be 2.1 lm [16], which is comparable with the values obtained for other ... can use both For example, the Km and kcat values of E coli Fre for riboavin are reported as 2.5 lm and 52.4 s)1 with NADPH as the electron donor and 1.3 lm and 30.6 s)1 with NADH [13] For FMN, Km...
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Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot
... specific role for the enzyme in the sulfur oxidation pathway The 14 amino acid sequence of the N-terminus may be used to design degenerative primers for amplifying the gene(s) for this enzyme for cloning ... Tuovinen for the fruitful critical reading of the article J.B thanks Mark Dopson and Siv Saaf for ¨ ¨ practical help, Arunas Leipus for help in protein chromatography and Henrik Larsson for helpful ... centrifugation at 10 000 g for 10 and the activity of the crude cell-free extract in 50 mM formate buffer, pH 3.0 was determined The cell free extract was then centrifuged at 100 000 g for 60 to separate...
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Báo cáo khoa học: Origin and properties of cytoplasmic and mitochondrial isoforms of taurocyamine kinase pptx
... amplifying enzyme PCR amplification was performed for 30 cycles, each consisting of 30 s at 94 °C for denaturation, 30 s at 60 °C for annealing and at 72 °C for primer extension The amplified products ... CK isoforms by the neighbor-joining method (Fig 4) The neighbor-joining tree separates the sequences into two major groups: a group for CK isoforms (presented schematically) and a group for annelid-specific ... henceforth as MiTK) as described below The cDNA for the cytoplasmic TK consists of 1811 bp with an ORF of 1098 bp and 5¢ and 3¢ untranslated regions of 21 and 692 bp, respectively The ORF codes for...
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Báo cáo khoa học: Purification and properties of a new S-adenosyl-Lmethionine:flavonoid 4¢-O-methyltransferase from carnation (Dianthus caryophyllus L.) pot
... for the substrate is lower for the isoflavones: the enzyme Km for genistein (XIX) is 73.5 lM, while Vmax decreases to 3.8 lmolÆ min)1Æmg)1 Enzyme affinity towards flavonoid substrates can therefore ... concentration From the latter equation, KI for AdoHcy was calculated as 12 ± lM The analysis of the mechanisms for enzyme-catalyzed bi-substrate reaction was performed through double reciprocal plots ... determined for the flavonol 8-OMT from Lotus corniculatus [19] but almost the same found for the Citrus 4¢-OMT [14] F 4¢-OMT, like other small mole+ cular mass plant OMTs [23], does not require Mg+ for...
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Báo cáo Y học: Molecular cloning, bacterial expression and properties of Rab31 and Rab32 docx
... [a-32P]GTP [47,52,53] have been measured In the former case, exchange of GTP for bound GDP may be rate-limiting for GTPase activity, as found for Rab3A at high Mg2+ concentrations [31] With GST± ... peptides synthesized were (CH3CO)TIKVEKPTMQASRRC for Rab31 (Fig 1A), (C)NEENDVDKIKLDQE(CONH2) for Rab32 (Fig 1B), and (C)QKQMSDRRENDMS(CONH2) for Rab11A (amino-acid residues 178±190) These peptides ... Rab proteins, as previously found for Rab3A [31] and Rab5A [32] Thus, with 10 mM Mg2+free, the ko for GDP release from GST± Rab31 may be much lower than the ko for GDP release from GST±Rab32 The...
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TRANSFER RNA: MOLECULAR STRUCTURE, SEQUENCE,AND PROPERTIES
... nucleoside symbols A, C, U, G, T, t~, etc for the invariant residues Semi-invariant residues are indicated by R for purines, Y for pyrimidines, and H for a usually highly modified purine nucleoside ... Stabilizes T~C loop aStandard symbols used for referring to basesandto their atoms Rstands for a purineandYstands for a are pyrimidine symbol is used for the ribose residue, andit is generally ... possible explanation G~u for this is that under the reaction conditions used, tRNA exists in a conformation different from the native one Evidence for such an alternative conformation of °~u E coli...
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Báo cáo " Classification and assessment of bioclimatic conditions for tourism, health resort and some weather therapies in Vietnam " pdf
... classification and assessment of bioclimatic conditions for two ultimate purposes: (i) for the development of tourism, excursion and sea vacation activities in lowland areas; and (ii) for health resort ... effect on tourism activities [4] Therefore, this value is the threshold for the assessment of daily rainfall, i.e.: ≤ 5mm - appropriate; > 5mm - inappropriate Fog: For the health resort and some weather ... Van, Bioclimatic assessment for sea vacation tourism in coastal zone of Vietnam, Ukrainian Geographical Journal 58, No.2 (2007) 60 [5] N.K Van, Bioclimatic resource assessment for convalescence...
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Familial breast cancer - The classification and care of women at risk of familial breast cancer in primary, secondary and tertiary care potx
... cancer 10 Box Recommendations for information provision Standard written information for all women • Risk information about population level and family history levels of risk, including a definition ... population risk of developing breast cancer (that is, a 10-year risk of less than 3% for women aged 40–49 years and a lifetime risk of less than 17%) are cared for in primary care • Women at raised risk ... years, or • a formal risk assessment (usually carried out in tertiary care) or a family history pattern is likely to give a 10-year risk of 3–8% for women aged 40–49 years , or a lifetime risk of 17%...
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Classification and regression tree (CART) model to predict pulmonary tuberculosis in hospitalized patients docx
... bronchoalveolar lavage for analysis Differences in the prevalence of pulmonary TB by potential predictors were analyzed using the Chi-Square test for categorical variables or the Mann-Whitney test for continuous ... previously reported in CART models for TB in hospitalized patients [8] Although chest radiography has been described as less specific for TB diagnosis and with a higher cost for case detection in outpatients ... age was important for discriminating TB, particularly in patients with atypical chest X-Ray without dyspnea Predictive models for the diagnosis of TB provide a useful framework for systematization...
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Classification and Taxonomy
... Satellite virus and nucleic acids Common features : 1) not encodes enzymes required for replication 2)therefore require coinfection with a conventional (helper) virus 3) Satellite genome is significantly ... encode only nonstructural proteins or no proteins at all – rely upon a helper virus for replication, and caspid formation – often found in plants DI Particles Defective interfering particle: A ... produce pox lesions Papilloma:infections result in papilla (bumps on skin), e.g warts Flavi: Latin for yellow 2) Sites of infection Adeno: infections of respiratory tract 3) Physical characteristics...
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Viruses STRUCTURE, CLASSIFICATION AND PHYSIOLOGY OF VIRUSES
... (phages) These twilight creatures are parasites responsible for causing many diseases in living things (herpes and HIV in humans, for example) Viruses are found everywhere Viruses consist of ... allowing the virus to lock onto the host cell HIV doesn’t target just any cell, it goes right for the cells that want to kill it “Helper" T cells are HIV's primary target These cells help direct...
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Mechanics and Properties of Composed Materials and Structures doc
... used (Fig 4a) The structure includes unreinforced or reinforced concrete, unreinforced or reinforced masonry, and the soil under the foundation Reinforcement within the 2D element is simulated ... masonry walls are (Fig 2): Unreinforced masonry walls (Fig 2a) Reinforced masonry walls (Fig 2b), with horizontal reinforcement in horizontal joints and vertical reinforcement in the vertical holes ... 10 Stress-strain relationship for the reinforcement E's f s,t failure f s,c Es Es ε s,c Es f s,t Es εs ε s,t failure E's f s,c 3.1.2 Reinforcement Model The reinforcement is simulated by a bar...
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