Browse our collection of papers in
Chemistry
C/N/664. Stabilization of Gold Nanoparticles by Mixtures of Peptides
- WORDS:
- 3400
- DATE:
- 2012
- PRICE:
- 39.99 GBP
The paper examines the physical properties and medical applications of gold nanoparticles exploring the methods of their synthesis and discussing the use and research of gold nanoparticles in the biomedical setting.
KEYWORDS: Stabilization, Gold Nanoparticles, Peptides,
C/N/644. The extraction of precious metals
- WORDS:
- 1000
- DATE:
- 2011
- PRICE:
- 19.99 GBP
This paper discusses precious metal extraction, and begins by detailing the process for the extraction of the platinum metal group. The paper then goes on to discuss the supermolecular chemistry of anions and the ligand design.
KEYWORDS: metal extraction, precious metal, platinum metal group, supermolecular chemistry, anions, ligand design,
C/N/629. Metal–organic framework materials and their application
- WORDS:
- 3100
- DATE:
- 2011
- PRICE:
- 39.99 GBP
The paper considers the use of hydrogen as a potential substitutive of oil as a fuel examining the methods of hydrogen storage and transportation, and focusing on hydrogen’s absorption by porous metal–organic framework materials (MOF). Research into MOF activity is reviewed, MOF applications are discussed.
KEYWORDS: Metal–organic framework, MOF, hydrogen,
C/L/677. Dissertation Outline. Are current techniques of forensic chemistry reliable for testing alcohol impairment?
- WORDS:
- 600
- DATE:
- 2010
- PRICE:
- 9.99 GBP
The paper presents an outline of a dissertation aimed to evaluate the reliability of existing road impairment tests. The aims of the research are formulated, academic topics for the literature review are defined, the methodology of the research is described. The paper has no references.
KEYWORDS: Dissertation Outline, forensic chemistry, testing alcohol impairment, road impairment tests,
C/N/439. Headspace Gas Chromatography of Residual Solvent and Volatile Decomposition Products in Pharmaceutical Compounds
- WORDS:
- 750
- DATE:
- 2010
- PRICE:
- 9.99 GBP
This paper answers three questions relating to headspace gas chromatography (HSGC) of residual solvent and volatile decomposition products in pharmaceutical compounds. The first question focuses on the advantages of HSGC sampling, comparing it to convectional injection techniques. The second question aims to examine and explain the chemistry. The last question aims to describe how the concentration of the solvent residues could be quantified.
KEYWORDS: headspace gas chromatography, HSGC, residual solvent, volatile decomposition, injection techniques,
C/N/406. Presentation. Fiber identification
- WORDS:
- 0
- DATE:
- 2010
- PRICE:
- 19.99 GBP
This is a presentation of a study on fiber identification providing bullet point notes on the types of fiber, the stages and techniques of fiber identification including microscopy, spectroscopy, etc.
KEYWORDS: Presentation, fiber identification, microscopy, spectroscopy,
C/N/393. Features and applications of GC-MS
- WORDS:
- 1200
- DATE:
- 2010
- PRICE:
- 19.99 GBP
The paper looks at the features of the chemical analytical equipment known as Gas chromatography - mass spectrometry (GC-MS) used to characterize complex organic mixtures, explaining how essential oils are extracted from plant tissue, examining the approximate limit of detection of GC-MS, discussing GC-MS value at distinguishing between isomers, etc.
KEYWORDS: GC-MS, Chemistry, Essential Oil Extraction, LOD, Limit of Detection, Isomers,
C/N/322. Factors affecting performance of column chromatography
- WORDS:
- 1600
- DATE:
- 2010
- PRICE:
- 19.99 GBP
The paper examines the factors that influence the performance of column chromatography with the focus on the High Performance Liquid Chromatography (HPLC). Efficient performance of HPLC columns is described.
KEYWORDS: Column chromatography,
C/N/272. Role of Leptin in Health and Disease
- WORDS:
- 3900
- DATE:
- 2009
- PRICE:
- 39.99 GBP
The paper examines the physiological role of leptin in energy homeostasis considering how abnormalities in leptin signalling may result in disease. The studies that led to the discovery of leptin are reviewed providing a detailed description of the molecular and cellular mechanisms that underlie leptin signalling. The impact of leptin signalling in obesity and diabetes is considered assessing the possibility of pharmacologically targeting the leptin pathway as a treatment for these diseases.
KEYWORDS: Leptin, energy homeostasis, obesity, diabetes,
C/N/287. Antimicrobial Potential of Silver: Critical Analysis
- WORDS:
- 3000
- DATE:
- 2009
- PRICE:
- 39.99 GBP
The paper points out that conventional antimicrobial agents are becoming increasingly less effective in dealing with infections due to the development of resistance, which enhances the interest in developing new antimicrobial therapies to treat infectious diseases. The study examines the evidence to suggest that silver, either as compounds, as nanoparticles or in metallic form, could be useful as an antimicrobial agent. The mechanism of action of silver is discussed, clinical evidence from the studies of silver preparations is analysed, the potential for microbial resistance to develop through the use of silver and its clinical implications are considered.
KEYWORDS: silver, antimicrobial, antibiotic resistance, silver nanoparticles,
C/N/252. Eco-Design Perspective on Household Appliance 'Bosch Drill'
- WORDS:
- 1600
- DATE:
- 2008
- PRICE:
- 19.99 GBP
The paper examines the harmful environmental impacts of plastics and rubber, particularly, polypropylene that is widely used in electric and electronic appliances, such as Bosch Drills (BD). The benefits and the threats of BD to the sustainability of the global environment are described, the difficulties in recycling polypropylene products are evaluated, eco-designing is suggested as a possible solution for overcoming the environmental threats of plastic usage.
KEYWORDS: Plastics, Polypropolyne, rubber, environmental sustainability, electric and electronic,
S/N/179. Two cents for scents: Chemical Investigation of Fragrances
- WORDS:
- 1700
- DATE:
- 2008
- PRICE:
- 19.99 GBP
The paper examines the nature of fragrance looking into the history of fragrant substances and discussing natural and artificial fragrances, the uses of fragrances, the chemical mechanisms used in making fragrances, and the effects of fragrances on the environment and health.
KEYWORDS: Fragrance, chemical,
S/N/181. Bio-inorganic Chemistry: Cytochrome P450 metalloenzymes
- WORDS:
- 1500
- DATE:
- 2008
- PRICE:
- 19.99 GBP
The paper examines the group of metalloenzymes known as cytochrome P450s (CYP450) describing their physical properties, catalytic cycle, etc. Oxidation enzymes COX and MMO are considered.
KEYWORDS: Metalloenzymes, cytochrome P450s, CYP450, COX, MMO,
S/P/313. Chemicals of Destruction: History of Chemical Warfare
- WORDS:
- 3300
- DATE:
- 2008
- PRICE:
- 39.99 GBP
The paper looks into the history of the chemical warfare providing the description of chemical weapons (CW) given by the Chemical Weapons Convention, relating the history of CW development since World War I, reviewing the instances of CW use in Vietnam, Korea, etc., and discussing the attitude of the USA towards CW.
KEYWORDS: chemicals, destruction, history, chemical, warfare,
S/N/90. Comparing the enthalpy changes of combustion of different alcohols.
- WORDS:
- 4500
- DATE:
- 2007
- PRICE:
- 49.99 GBP
The paper examines the enthalpy change of combustion resulting from burning hydrocarbons. The formation of new chemica bonds is discussed, the effects of the alcohols' molecular structure on the enthalpy change of combustion is analysed using methanol, ethanol, propan-1-ol, butan-1-ol and pentan-1-ol.
KEYWORDS: methanol, ethanol, propan-1-ol, butan-1-ol, pentan-1-ol.,
P/N/113. Features and structure of rare-earth metals
- WORDS:
- 673
- DATE:
- 2006
- PRICE:
- 9.99 GBP
The paper examines the features and structure of rare-earth metals, or lanthanides, discussing their alloying with transition metals, etc.
KEYWORDS: rare-earth metals, lanthanides,
S/N/146. Effect of temperature on the rate of Hydrogen Peroxide decomposition by Catalase
- WORDS:
- 1800
- DATE:
- 2006
- PRICE:
- 19.99 GBP
The paper examines the rate of hydrogen peroxide (H2O2) decomposition when mixed with catalase at different temperatures, namely, 20?C and 5?C. The effect of a catalyst on the activation energy is discussed, the methods of research are described, the results of the experiments are analysed.
KEYWORDS: hydrogen peroxide, catalase, decomposition,
P/N/100. Effects of atmospheric processes on tropospheric ozone production
- WORDS:
- 3000
- DATE:
- 2005
- PRICE:
- 39.99 GBP
The paper examines the ozone and iodine chemistry studying the effects of temperature and NOx emission rates on tropospheric ozone production. Conclusions are made about the influence of atmospheric processes on the production of ozone in the atmosphere.
KEYWORDS: Atmospheric, tropospheric, ozone, iodine,
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