helium

atomic helium helium, compressed helium, compressed [UN1046] [Nonflammable gas] helium, refrigerated liquid (cryogenic liquid) helium, refrigerated liquid (cryogenic liquid) [UN1963] [Nonflammable gas] PubMed: Hydroxyl radical formation in batch and continuous flow ultrasonic systems. PubMed: Accurate mass fragment library for rapid analysis of pesticides on produce using ambient pressure desorption ionization with high-resolution mass spectrometry. PubMed: Microbial decontamination of red pepper powder by cold plasma. PubMed: The post-thaw irradiation of avian spermatozoa with He-Ne laser differently affects chicken, pheasant and turkey sperm quality. PubMed: Authenticity of carbon dioxide bubbles in French ciders through multiflow-isotope ratio mass spectrometry measurements. PubMed: Effect of lung inflation level on hyperpolarized 3He apparent diffusion coefficient measurements in never-smokers. PubMed: Simultaneous testing of multiclass organic contaminants in food and environment by liquid chromatography/dielectric barrier discharge ionization-mass spectrometry. PubMed: ID-CUBE direct analysis in real time high-resolution mass spectrometry and its capabilities in the identification of phenolic components from the green leaves of Bergenia crassifolia L. PubMed: Experimental study on pulmonary cryoablation in a porcine model of normal lungs. PubMed: Cold plasma decontamination of foods. PubMed: Gas discharge plasmas are effective in inactivating Bacillus and Clostridium spores. PubMed: Effect of temperature on gas composition and char structural features of pyrolyzed agricultural residues. PubMed: Asthma in adults (acute). PubMed: Permeability of cork to gases. PubMed: Surface swabbing technique for the rapid screening for pesticides using ambient pressure desorption ionization with high-resolution mass spectrometry. PubMed: Effect of atmospheric pressure plasma on inactivation of pathogens inoculated onto bacon using two different gas compositions. PubMed: Profile of Thure E. Cerling. PubMed: Formation of volatile chemicals from thermal degradation of less volatile coffee components: quinic acid, caffeic acid, and chlorogenic acid. PubMed: Asthma in adults. PubMed: Assessing direct analysis in real-time-mass spectrometry (DART-MS) for the rapid identification of additives in food packaging. PubMed: [High pressure processing of spices in atmosphere of helium for decrease of microbiological contamination]. PubMed: Changes in regional airflow obstruction over time in the lungs of patients with asthma: evaluation with 3He MR imaging. PubMed: Hurdles to helium gas laparoscopy and a readily available alternative. PubMed: [Characterization of aroma active compounds in blood orange juice by solid phase microextraction and gas chromatography-mass spectrometry-olfactometry]. PubMed: Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling. PubMed: Enhanced selective extraction of hexane from hexane/soybean oil mixture using binary gas mixtures of carbon dioxide. PubMed: Interactions of water with roasted and ground coffee in the wetting process investigated by a combination of physical determinations. PubMed: Formation of polycyclic aromatic hydrocarbons from tobacco: the link between low temperature residual solid (char) and PAH formation. PubMed: Asthma in adults. PubMed: Heliox therapy and devices cleared by the FDA: after the engineers produce effective designs, why do clinicians still feel the need to jury-rig? PubMed: Decomposition of biological macromolecules by plasma generated with helium and oxygen. PubMed: Opportunities and risks of using heliox in your clinical practice. PubMed: Gas-chromatographic separation of stereoisomers of dipeptides. PubMed: [Simultaneous determination of 25 persistent organic pollutants in rice by gas chromatography-mass spectrometry with selected ion monitoring mode]. PubMed: Oxidative pyrolysis and postpyrolytic derivatization techniques for the total analysis of maillard model systems: investigation of control parameters of maillard reaction pathways. PubMed: Low-level laser therapy for wound healing: mechanism and efficacy. PubMed: Compression of controlled-release pellets produced by a hot-melt extrusion and spheronization process. PubMed: Pulsed discharge detector: theory and applications. PubMed: Selected ion flow tube mass spectrometry (SIFT-MS) for on-line trace gas analysis. PubMed: Effect of trans-resveratrol on the thrombogenicity and atherogenicity in apolipoprotein E-deficient and low-density lipoprotein receptor-deficient mice. PubMed: Automated dynamic headspace/GC-MS analyses affect the repeatability of volatiles in irradiated Turkey. PubMed: Automated headspace solid-phase dynamic extraction to analyse the volatile fraction of food matrices. PubMed: Effect of feed gas composition of gas discharge plasmas on Bacillus pumilus spore mortality. PubMed: Detection of organotin, organomercury, and organolead compounds with a pulsed discharge detector (PDD). PubMed: Potential migration release of volatile compounds from plastic containers destined for food use in microwave ovens. PubMed: Evidence for [1,5] sigmatropic rearrangements of CLA in heated oils. PubMed: Observation of the swallowing process by application of videofluoroscopy and real-time magnetic resonance imaging-consequences for retronasal aroma stimulation. PubMed: Identification of hydrolyzed inulin syrup and high-fructose corn syrup in apple juice by capillary gas chromatography: PVM 4:1999. PubMed: Sample preparation for the analysis of flavors and off-flavors in foods. PubMed: A sensitive procedure for the study of beta-carotene-d8 metabolism in humans using high performance liquid chromatography-mass spectrometry. PubMed: Headspace oxygen in sample vials affects volatiles production of meat during the automated purge-and-Trap/GC analyses. PubMed: Volatiles obtained from whole and ground grain samples by supercritical carbon dioxide and direct helium purge methods: observations on 2,3-butanediols and halogenated anisoles. PubMed: Use of an autosampler for dynamic headspace extraction of volatile compounds from grains and effect of added water on the extraction. PubMed: Isotope ratio monitoring gas chromatography/Mass spectrometry of D/H by high temperature conversion isotope ratio mass spectrometry. PubMed: Determination of extractable organic chlorine and bromine by probe injection dual-microplasma atomic emission spectrometry. PubMed: Minimizing the residual oxygen in modified atmosphere packaging of bakery products. PubMed: Repeated normoxic hyperbaric exposures induce haemodynamic and myocardial changes in rats. PubMed: Determination of benzene in polypropylene food-packaging materials and food-contact paraffin waxes. PubMed: Effect of exposure to high pressure on subsequent spatial learning and memory in rats. PubMed: Excimer laser corneal ablation: absence of a significant "incubation" effect. PubMed: Pesticide analysis by gas chromatography with a novel atomic emission detector. PubMed: Safety considerations in MR imaging. PubMed: [Effect of replacement of air nitrogen by inert gases on oxygen consumption by the liver tissues in albino rats on various fatty diets]. PubMed: Dynamic headspace gas chromatography of volatile compounds in milk. PubMed: [Organization of nutrition for persons subjected to long-term hyperbaria (review of the literature)]. PubMed: Capillary fused-silica on-column injection of chlorinated pesticides with an ultra-low volume rotary valve. PubMed: Comparison of helium leak test and vacuum leak test using canned foods: collaborative study. PubMed: The conduct of metabolic balances during simulated deep dives. PubMed: Postpneumonectomy oesophagopleural fistula. PubMed: Behavioral effects of morphine on free-operant avoidance under hyperbaric pressure. PubMed: Headspace sampling and gas-solid chromatographic determination and confirmation of greater than or equal to 1 ppb vinyl chloride residues in polyvinyl chloride food packaging. PubMed: Dietary requirements of subjects exposed to hyperbaric He-O2 conditions: effects of supplementation with major nutrient groups. PubMed: Pituitary-thyroid function of rats in hypobaric oxygen-inert gas environments. PubMed: [Food intake and blood morphological indices in albino mice in sealed chambers with nitrogen in the air substituted by inert gases]. PubMed: The mechanism of microbiological leaker spoilage of canned foods: a review. PubMed: Biochemical and metabolic effects of a six-month exposure of small animals to a helium-oxygen atmosphere. NASA CR-1372. PubMed: Irradiation of fish fillets: relation of vapor phase reactions to storage quality. PubMed: An improved microwave emission gas chromatography detector for pesticide residue analysis. PubMed: Study of man during a 56-day exposure to an oxygen-helium atmosphere at 258 mm. Hg total pressure. IX. Nutritional evaluation of feeding bite-size foods. PubMed: Some biological and physical factors in dry heat sterilization: a general review.