Biotechnological solutions

Xem 1-20 trên 45 kết quả Biotechnological solutions
  • this is a promising time to be working on ensuring the care of mothers and newborns. the global health community has at its disposal a range of cost-effective, proven solutions that can halt the majority of conditions causing maternal and neonatal deaths. 1, 2, 3, 4 these include antibiotics for infections, sterile blades to cut umbilical cords, misoprostol and oxytocin for preventing and treating postpartum hemorrhage, and teaching mothers the importance of immediate, exclusive breastfeeding and skin-to-skin contact to keep their babies warm.

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  • Smart polymers are macromolecules capable of undergoing rapid, reversible phase transitions from a hydrophilic to a hydrophobic microstructure. These transitions are triggered by small shifts in the local environment, such as slight variations in temperature, pH, ionic strength, or the concentration of specific substances like sugars. Smart polymers have an extensive range of applications, but this book focuses solely on their roles within the fields of bioseparation and biomedicine. Until recently, polymers were considered to be passive participants within these fields.

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  • The theoretical metrics developed, such as genetic variance and heritability (Fisher, 1930; Wright, 1931), provided the quantitative standards necessary for the evolutionary synthesis. Further research has focused on the origin of genetic diversity, its maintenance and its role in evolution. Simple questions such as “who breeds with whom” initiated studies on the relatedness of populations.

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  • After two centuries of almost absolute belief in technical and economic progress, human society is in a period of reconsideration and elaboration of new strategies for the ongoing new century. Progress of our civilization with an explosive rise in world population has led to an enormously increased con- sumption of resources and to an equal threat to the environment. Coping with these problems requires all intellectual abilities of our society. In this endeav- or, biotechnology is considered to play a significant role.

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  • Research Reports IWMI’s mission is to improve the management of land and water resources for food, livelihoods and environment. In serving this mission, IWMI concentrates on the integration of policies, technologies and management systems to achieve workable solutions to real problems—practical, relevant results in the field of irrigation and water and land resources.

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  • Before market segmentation can take place, the relevant market has to be defined, meaning the product related, geographical and temporal boundaries of that market have to be fixed. 21 Any such definition has to look at the market through the consum- ers’ eyes, because the consumer makes decisions based on the evaluation of alterna- tives and substitutes.

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  • Solutions and Indicators for Neutralization Titrations A. Standard Solutions: The standards solutions used as titrants for unknown w eak acids or bases are alw ays strong bases or acids, respectively. Standard titrant acids: dilute solutions of HCl, HClO 4 , or H 2 SO 4 . Standard titrant bases: dilute solutions of NaOH, KOH. The primary standards may not be strong acids or bases (e.g., potassium acid phthalate, sodium oxalate, sodium bicarbonate).

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  • Treating Complex Acid-Base Systems Complex systems are defined as solutions made up of: 1) Two acids or bases of different strengths HCl + CH3COOH NaOH + CH3COO2) An acid or base that has two or more acidic protons or basic functional groups H3PO4 Ca(OH)2 .3) An amphiprotic substance that is capable of acting as both acid and base HCO3- + H2O CO32- + H3O+ HCO3- + H2O H2CO3 + OHNH3+CH2COO- + H2O NH2CH2COO- + H3O+ NH3+CH2COO- + H2O NH3+CH2COOH + OH- .

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  • The authorities have reached consensus on the way forward for a Debt Resolution Strategy with Cabinet approval of the Zimbabwe Accelerated Arrears Clearance, Debt and Development Strategy (ZAADDS) in 2010.

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  • The ribbon itself forms an abstract letter ‘W’ (for World) that changes colour from pink through blue into a green that represents a green economy. The person’s position in the ribbon is where the colour incidentally transitions into green, signifying that people – you – are central to a functional green economy and thus it must include you. The light green part of the ribbon curves into a slight horizon of the earth.

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  • Based on results of the 2008 Family Health Survey, the majority of Wisconsin residents in 2008 had health insurance for the entire past year. That is, they were continuously covered during the 12 months prior to the survey interview. An estimated 4,868,000 residents (89%) were insured for all of the past 12 months. An estimated 319,000 Wisconsin household residents (6%) had no health insurance of any kind during the past 12 months. Another 276,000 residents (5%) had health insurance for part of the year and were uninsured for part of the year. Together, an estimated...

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  • Effective prediction of transport of chemical pollutants through a subsurface groundwater system and associated assessments of risk requires a valid “conceptual model” of the contaminant migration scenario. The classical contaminant conceptual model is one of a near- surface “leachable source zone” where chemical contaminant is leached, i.e. dissolved/solubilised, into water infiltrating through the source (Figure 4.2).

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  • Petroleum contaminant decomposition and in-situ destruction may be accomplished using chemical oxidation technologies. In contrast to other remedial technologies, contaminant reduction can be seen in short time frames (e.g., weeks or months). As discussed in this chapter, a variety of chemical oxidants and application techniques can be used to bring oxidizing materials into contact with subsurface contaminants to remediate the contamination.

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  • The concept here is that any liability that is set up should be subject to a “liability adequacy test”, i.e., a test to see if the liability is expected to be insufficient at runoff. If the liability is expected to be insufficient, then the financial statements are generally considered to be biased in that a future earnings loss (i.e., negative income) would be expected from the liability runoff. To prevent such a bias, a “premium deficiency reserve” is calculated.

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  • Electrolytes: solutes which carry electrical charge - these compounds are at least partially ionized 1. Strong Electrolytes = solutes almost completely ionized 2. Weak Electrolytes = solutes only partially ionized .Acids and Bases - electrolytes (can be weak or strong) 1. Bronsted-Lowery Theory: acids are proton donors bases are proton acceptors 2. Strong Acids and bases almost completely ionized 3. Weak acids and bases (poorly ionized). See Table 6-2 (memorize strong acids and bases)

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  • Titrimetry refers to that group of analytical techniques which takes advantage of titers or concentrations of solutions. The word "titer" is also used to denote "equivalence" or that amount of a solution required to complete a chemical reaction. Titrimetry often refers to the use of some volume of a solution of known concentration to determine the quantity of an analyte. But there are some variations on the use of the term.

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  • The concentrations and charge strength of "spectator“ or non-reacting electrolytes The tendency to form precipitates will be decreased with increasing ionic strength 1) interactions (but not necessarily reactions) of the reactant species with other charged species 2) interactions of the charged product species with the spectator ions. H2O + H2CO3 H3O+ + HCO3Ka1 increases with increasing ionic strength, so the solution becomes more acidic.

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  • Financial incentives are an important tool that can help individuals and businesses overcome the barrier of high initial equipment costs for these technologies. But, to be effective, these incentives should be considered as one component in a comprehensive approach to creating a sustainable market.

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  • The Commission stresses the need for a differentiated and calibrated approach which is adapted and proportionate to the size and characteristics of both the audited company and its auditor and will seek, in the case of any potential proposal that may emerge as a result of this Green Paper, to modulate any such proposals to take this into account. What may be necessary for large systemic institutions may not be appropriate for other listed companies or for SMEs or SMPs. Any measures which the Commission would propose as a follow-up to the present consultation would be subject to ...

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  • By early summer he was free enough to write. “I feel that now I can try to conjure something up for Princeton.” Disks and No Disks was the title of what evolved. Barr suggested one or more of the disks be painted orange to honor the colors of Old Nassau. A wary Calder replied, “After my initial reluctance to paint anything orange, I think all 3 disks might be good.” A few weeks later he amended this, “I suggest that you paint the smallest ‘Orange.’” In anticipation of the artist’s visit to Princeton in November 1971, all four solid disks had been painted orange.

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