Urine drug screening Factors affecting a valid specimen Urine creatinine concentration is assayed to detect diluted specimens. This can be caused by surreptitious addition of tap water or excessive fluid intake before the collection. A urine creatinine level < 1.76 mmol/L indicates a dilute specimen. A repeat specimen should be considered. The temperature of the specimen indicates if it is freshly passed. If the specimen is fresh‚ the temperature should fall in the range of 33–38°C. If
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Introduction to Detecting Lies: The following techniques to telling if someone is lying are often used by police‚ and security experts. This knowledge is also useful for managers‚ employers‚ and for anyone to use in everyday situations where telling the truth from a lie can help prevent you from being a victim of fraud/scams and other deceptions. Warning: Sometimes Ignorance is bliss; after gaining this knowledge‚ you may be hurt when it is obvious that someone is lying to you. Signs of Deception:
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phones in examination halls‚ confidential rooms‚ etc. It is also useful for detecting the use of mobile phone for spying and unauthorized video transmission. The circuit can detect the incoming and outgoing calls‚ SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the bug detects RF transmission signal from an activated mobile phone‚ it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases. An ordinary
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Urine Testing for Drugs of Abuse U. S. DEPARTMENT OF HEALTH AND HUMAN SERVICES • Public Health Service • Alcohol‚ Drug Abuse‚ and Mental Health Administration Urine Testing for Drugs of Abuse Editors: Richard L. Hawks‚ Ph.D. C. Nora Chiang‚ Ph.D. Division of Preclinical Research National Institute on Drug Abuse NIDA Research Monograph 73 1986 DEPARTMENT OF HEALTH AND HUMAN SERVICES Public Health Service Alcohol‚ Drug Abuse‚ and Mental Health Administration National Institute on Drug
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Laboratory Report on Urine Examination Introduction: When testing urine the test results may provide information regarding the status of carbohydrate metabolism and kidney function. The kidney glomeruli act as ultrafilters for the plasma protein; however as much as 150 mg/dl of protein may normally be excreted into the urine. In glomerular proteinuria‚ an increase in glomerular permeability occurs‚ resulting in an increase of urine proteins. High urine protein concentration therefore may indicate
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Daniel Speech 10 My research topic focuses on how people who work in the field of law enforcement detect deception. Whether it be through interrogations or consensual encounters. I have a really strong interest in this topic because I am currently working towards a degree in Administration of Justice. I want to work as a police officer and eventually work my way into the DEA (Drug Enforcement Administration). I also have a couple of family members working in law enforcement
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Micro-extraction of urine and/or stomach contents and analysis by TLC Abstract Thin Layer Chromatography (TLC) is one of the oldest chromatographic techniques used for the identification of compounds and for determination of the presence of trace impurities. The aim of the experiment was to determine two unknown samples (X and Y) by comparing results to the known standard drugs‚ of which there was five‚ using a specific TLC method. The same technique was used for the determination of
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1: Physical and Chemical Analysis of Urine Observations Data Table 1 Characteristic Results/Remarks/Values Color yellow Clarity clear with no sediments Odor none pH 5.8 Glucose none Protein none Questions A. What is the normal pH range of urine? The normal values range from pH 4.6 to pH 8.0. B. What substances in the urine might indicate that a person
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2/5 Word count: You were given five samples of patients’ urine and some Uristix® dipstick. Describe how you used the dipsticks to determine if urine sample contained amounts of protein and / or glucose. To test the given samples for glucose or protein‚ dipsticks were immersed into each of the urine samples for 60 seconds. The colour change was compared with the colour chart on the Uristix® bottle. The detection of glucose in urine is based on the presence of two enzymes‚ glucose oxidase and
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University Chemistry 31a Biochemistry Laboratory Experiment No. 09 CHEMISTRY OF URINE Name: Artajo‚ Zeal Conbrio A. DVM-2 Date performed: Feb. 26‚ 2013 Group: 6 Date submitted: March 5‚ 2013 Objective: 1. Test urine for pH‚ specific gravity‚ and the presence of electrolytes and organic compounds. 2. Test urine for the presence of abnormally occurring compounds of proteins‚ glucose and ketone bodies
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