Complex Mixtures
Mass Spectrometry
Spectrometry, Mass, Electrospray Ionization
Air Pollutants
Fuel Oils
Environmental Monitoring
Chromatography, High Pressure Liquid
Petroleum
Polycyclic Hydrocarbons, Aromatic
Polychlorinated Biphenyls
Environmental Pollutants
Water Pollutants, Chemical
Coal Tar
Molecular Sequence Data
Tandem Mass Spectrometry
Odors
Benzo(a)pyrene
Peptides
Organic Chemicals
Gas Chromatography-Mass Spectrometry
United States Environmental Protection Agency
Volatilization
Molecular Structure
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Mutagenicity Tests
Dioxins
Toxicity Tests
Phosphoramides
DNA Adducts
Chromatography, Gas
Amino Acid Sequence
Chemical Fractionation
Particulate Matter
Electrophoresis, Microchip
Chemistry Techniques, Analytical
Coal
Carcinogens
Ions
Biological Assay
Benzopyrenes
Xenobiotics
Plant Extracts
Chromatography, Ion Exchange
Enzymes
Gases
Carbohydrate Sequence
Chromatography, Thin Layer
Environmental Exposure
Reproducibility of Results
Aerosols
Cytochrome P-450 CYP1A1
Tetracyclines
Cattle
Mutagens
Laryngeal Neoplasms
Vehicle Emissions
Occupational Exposure
Epidemiological Monitoring
Metabolomics
Peptide Mapping
Glycopeptides
Sensitivity and Specificity
Trypsin
Biotransformation
Amino Acids
Isotope Labeling
Tetrachlorodibenzodioxin
Drug Interactions
Base Sequence
Electrophoresis, Polyacrylamide Gel
Croton
Receptors, Aryl Hydrocarbon
Dose-Response Relationship, Drug
Algorithms
Peptide Fragments
Nanotechnology
DNA
Models, Chemical
Air Pollutants, Occupational
Spectroscopy, Fourier Transform Infrared
Blood Proteins
Liver
Models, Biological
Electrophoresis, Gel, Two-Dimensional
Reference Standards
Chromatography
Escherichia coli
DNA Damage
Air Pollution
Nuclear Magnetic Resonance, Biomolecular
Protein Binding
Software
Phospholipids
Electromyography
Oxidation-Reduction
Rats, Sprague-Dawley
Sequence Analysis
Structure-Activity Relationship
Chromatography, Affinity
Lipids
Fluorescent Dyes
Glycosylation
Protein Processing, Post-Translational
Substrate Specificity
Fatty Acids
Biological Markers
Plant Proteins
Polymerase Chain Reaction
Species Specificity
Cloning, Molecular
Cells, Cultured
Models, Molecular
Risk Assessment
RNA
Lymphocytes
RNA, Messenger
Mutation
Sequence Analysis, DNA
Saccharomyces cerevisiae
Sequence Alignment
Oligonucleotide Array Sequence Analysis
Computational Biology
DNA, Complementary
Cell death during corneal storage at 4 degrees C. (1/369)
PURPOSE: To evaluate cell death in human donor corneas stored at 4 degrees C, to determine whether terminal deoxynucleotidyl transferase-mediated dUTP-fluorescein nick-end labeling (TUNEL) discriminates between apoptosis and necrosis in corneas stored at 4 degrees C. METHODS: Ten human corneas were stored in Optisol (Chiron Ophthalmics, Irvine, CA) at 4 degrees C for periods ranging from 0 to 21 days and then fixed for histologic examination. Central corneal sections from each cornea were examined by transmission electron microscopy (TEM) and by the TUNEL assay. Electron micrographs of at least 15 keratocytes each from the anterior, middle, and posterior stroma were examined by three masked observers who graded each cell as normal, apoptotic, or necrotic. Central sections from the same corneas were processed by the TUNEL assay and evaluated with a laser scanning confocal microscope to determine the percentage of apoptotic cells. RESULTS: By TEM, apoptosis occurred in 23% of the keratocytes and necrosis in 12%. By TUNEL assay, apoptosis occurred in 11% of the keratocytes, with the results in individual corneas being similar to the findings by TEM for apoptosis, rather than for necrosis. By TUNEL assay, apoptosis occurred in 13% of the epithelial cells and in 8% of the endothelial cells. The percentage of apoptotic cells and storage time correlated significantly for the epithelium, but not for the keratocytes or endothelium in this small sample. CONCLUSIONS: Both apoptosis and necrosis occur in cells during corneal storage at 4 degrees C, with apoptosis appearing to predominate. The TUNEL assay identifies cells undergoing apoptosis, but not necrosis, in corneal tissue. Inhibition of apoptosis in corneas stored at 4 degrees C may prolong acceptable storage times. (+info)Effectiveness of microabrasion technique for improvement of dental aesthetics. (2/369)
OBJECTIVES: To investigate which types of enamel opacity are effectively treated by the microabrasion technique and whether this technique could be used as a diagnostic aid to determine the aetiology of these defects. MATERIALS AND METHOD: Thirty two patients who had enamel opacities affecting both upper central incisors were selected and the disfigurements were classified into four types: single line, multi-line, patched and diffused. The patient's previous medical history, possible history of fluoride ingestion, presence of taurodontism and family history of similar enamel defects were recorded. Both incisors were treated with Prema abrasive paste mixed with 18% hydrochloric acid. The aesthetic improvements were assessed by the patients and their parents and their satisfaction level after the treatment was recorded. RESULTS: Approximately two-thirds (65.6%) of the patients were satisfied with their appearance after microabrasion. Apart from four patients, the improved appearance was stable and acceptable to the remaining patients at the six month recall. Statistical analysis showed that acceptable improvement was found in patients with single line/patched types of defects but not in multi-line/diffused types (P = 0.03). However, the aesthetic improvement was not related to the patient's fluoride history, presence of taurodontism or the family history of enamel defects. CONCLUSION: Microabrasion using Prema abrasives with 1 8% HCI is effective in improving the appearance of enamel with single-line or patched opacities, indicating that these defects are a surface phenomenon. For the multi-line and diffused types, the defects appear to extend deeper into the enamel. The technique failed to assist in determining the aetiology of these defects. (+info)GFS, a preparation of Tasmanian Undaria pinnatifida is associated with healing and inhibition of reactivation of Herpes. (3/369)
BACKGROUND: We sought to assess whether GFS, a proprietary preparation of Tasmanian Undaria pinnatifida, has effects on healing or re-emergence of Herpetic infections, and additionally, to assess effects of GFS in vitro. Undaria is the most commonly eaten seaweed in Japan, and contains sulphated polyanions and other components with potential anti-viral activity. Herpes simplex virus type 1 (HSV-1) infections have lower reactivation rates and Herpes type 2 (HSV-2) infections have lower incidence in Japan than in the west. METHODS: Patients with active (15 subjects) or latent (6 subjects) Herpetic infections (HSV-1, 2, EBV, Zoster) were monitored for response to ingestion of GFS. GFS extract was tested in vitro for human T cell mitogenicity and anti-Herpes activity. RESULTS: Ingestion of GFS was associated with increased healing rates in patients with active infections. In addition, patients with latent infection remained asymptomatic whilst ingesting GFS. GFS extract inhibited Herpes viruses in vitro and was mitogenic to human T cells in vitro. CONCLUSIONS: Ingestion of GFS has inhibitory effects on reactivation and is associated with increased rate of healing after Herpetic outbreaks. GFS extract potently inhibited Herpes virus in vitro, and had mitogenic effects on human T cells. (+info)The use of antimicrobial peptides in ophthalmology: an experimental study in corneal preservation and the management of bacterial keratitis. (4/369)
PURPOSE: Bacterial keratitis is an ocular infection with the potential to cause significant visual impairment. Increasing patterns of antibiotic resistance have necessitated the development of new antimicrobial agents for use in bacterial keratitis and other serious ocular infections. With a view to exploring the use of novel antimicrobial peptides in the management of ocular infection, we performed a series of experiments using synthetic antimicrobial peptides designed for the eradication of common and serious ophthalmic pathogens. METHODS: Experiments were performed with three clinical ocular isolates--Pseudomonas aeruginosa, Staphylococcus aureus, and Staphylococcus epidermidis--in three experimental settings: (1) in vitro in a controlled system of 10 mM sodium phosphate buffer, (2) in vitro in modified chondroitin sulfate-based corneal preservation media (Optisol), and (3) in an in vivo animal model (rabbit) simulating bacterial keratitis. In all cases, outcomes were measured by quantitative microbiological techniques. RESULTS: The candidate peptides (CCI A, B, and C and COL-1) produced a total reduction of the test pathogens in phosphate buffered saline. In modified Optisol, the peptides were effective against S epidermidis at all temperatures, demonstrated augmented activity at 23 degrees C against the gram-positive organisms, but were ineffective against P aeruginosa. The addition of EDTA to the medium augmented the killing of P aeruginosa but made no difference in the reduction of gram-positive organisms. In an in vivo rabbit model of Pseudomonas keratitis, COL-1 demonstrated neither clinical nor microbicidal efficacy and appeared to have a very narrow dosage range, outside of which it appeared to be toxic to the ocular surface. CONCLUSION: Our data indicate that the antimicrobial peptides we tested were effective in vitro but not in vivo. In an age of increasing antibiotic resistance, antimicrobial peptides, developed over millions of years as innate defense mechanisms by plants and animals, may have significant potential for development as topical agents for the management of severe bacterial keratitis. However, modifications of the peptides, the drug delivery systems, or both, will be necessary for effective clinical application. (+info)Crude extracts of bacterially expressed dsRNA can be used to protect plants against virus infections. (5/369)
BACKGROUND: Double-stranded RNA (dsRNA) is a potent initiator of gene silencing in a diverse group of organisms that includes plants, Caenorhabditis elegans, Drosophila and mammals. We have previously shown and patented that mechanical inoculation of in vitro-transcribed dsRNA derived from viral sequences specifically prevents virus infection in plants. The approach required the in vitro synthesis of large amounts of RNA involving high cost and considerable labour. RESULTS: We have developed an in vivo expression system to produce large amounts of virus-derived dsRNAs in bacteria, with a view to providing a practical control of virus diseases in plants. Partially purified bacterial dsRNAs promoted specific interference with the infection in plants by two viruses belonging to the tobamovirus and potyvirus groups. Furthermore, we have demonstrated that easy to obtain, crude extracts of bacterially expressed dsRNAs are equally effective protecting plants against virus infections when sprayed onto plant surfaces by a simple procedure. Virus infectivity was significantly abolished when plants were sprayed with French Press lysates several days before virus inoculation. CONCLUSION: Our approach provides an alternative to genetic transformation of plant species with dsRNA-expressing constructs capable to interfere with plant viruses. The main advantage of this mode of dsRNA production is its simplicity and its extremely low cost compared with the requirements for regenerating transgenic plants. This approach provides a reliable and potential tool, not only for plant protection against virus diseases, but also for the study of gene silencing mechanisms in plant virus infections. (+info)Protein stability in mixed solvents: a balance of contact interaction and excluded volume. (6/369)
Changes in excluded volume and contact interaction with the surface of a protein have been suggested as mechanisms for the changes in stability induced by cosolvents. The aim of the present paper is to present an analysis that combines both effects in a quantitative manner. The result is that both processes are present in both stabilizing and destabilizing interactions and neither can be ignored. Excluded volume was estimated using accessible surface area calculations of the kind introduced by Lee and Richards. The change in excluded volume on unfolding, deltaX, is quite large. For example, deltaX for ribonuclease is 6.7 L in urea and approximately 16 L in sucrose. The latter number is greater than the molar volume of the protein. Direct interaction with the protein is represented as the solvent exchange mechanism, which differs from ordinary association theory because of the weakness of the interaction and the high concentrations of cosolvents. The balance between the two effects and their contribution to overall stability are most simply presented as bar diagrams as in Fig. 3. Our finding for five proteins is that excluded volume contributes to the stabilization of the native structure and that contact interaction contributes to destabilization. This is true for five proteins and four cosolvents including both denaturants and osmolytes. Whether a substance stabilizes a protein or destabilizes it depends on the relative size of these two contributions. The constant for the cosolvent contact with the protein is remarkably uniform for four of the proteins, indicating a similarity of groups exposed during unfolding. One protein, staphylococcus nuclease, is anomalous in almost all respects. In general, the strength of the interaction with guanidinium is about twice that of urea, which is about twice that of trimethylamine-N-oxide and sucrose. Arguments are presented for the use of volume fractions in equilibrium equations and the ignoring of activity coefficients of the cosolvent. It is shown in the Appendix that both the excluded volume and the direct interaction can be extracted in a unified way from the McMillan-Mayer formula for the second virial coefficient. (+info)Solvation of nucleosides in aqueous mixtures of organic solvents: relevance to DNA open basepairs. (7/369)
Toward the goal of understanding how open basepairs in DNA interact with their heterogeneous environment, we have studied the steady-state intrinsic fluorescence properties of the purine and pyrimidine deoxynucleosides in organic solvents in the presence of small amounts of water. The organic solvents used in the present study were: n-butanol, acetonitrile, methanol, n-propanol, isopropanol, and isobutanol. For n-butanol and acetonitrile, which have a high degree of amphiphilicity and weak hydrogen bonding ability, respectively, the fluorescence spectral properties of the purines are found to depend on the sequence of steps in which the aqueous mixtures were formed. By contrast, no such dependence was observed in the mixtures with any of the other solvents used in the present study. Moreover, no such dependence was observed for the pyrimidines. These findings suggest that the final solvation network around the purines is dependent on the nature of the environment to which they were initially exposed. This would tend to present an impediment to the closing of AT or GC basepairs in DNA that become open as a result of structural fluctuations, DNA bending, or protein-DNA interactions. (+info)Egg hatching, larval movement and larval survival of the malaria vector Anopheles gambiae in desiccating habitats. (8/369)
BACKGROUND: Although the effects of rainfall on the population dynamics of the malaria vector Anopheles gambiae have been studied in great detail, the effects of dry periods on its survival remain less clear. METHODS: The effects of drying conditions were simulated by creating desiccated habitats, which consisted of trays filled with damp soil. Experiments were performed in these trays to (i) test the ability of An. gambiae sensu stricto eggs to hatch on damp soil and for larvae to reach an artificial breeding site at different distances of the site of hatching and (ii) to record survival of the four larval stages of An. gambiae s.s. when placed on damp soil. RESULTS: Eggs of An. gambiae s.s. hatched on damp soil and emerging larvae were capable of covering a distance of up to 10 cm to reach surface water enabling further development. However, proportions of larvae reaching the site decreased rapidly with increasing distance. First, second and third-instar larvae survived on damp soil for an estimated period of 64, 65 and 69 hrs, respectively. Fourth-instar larvae survived significantly longer and we estimated that the maximum survival time was 113 hrs. CONCLUSION: Short-term survival of aquatic stages of An. gambiae on wet soil may be important and adaptive when considering the transient nature of breeding sites of this species in sub-Saharan Africa. In addition, the results suggest that, for larval vector control methods to be effective, habitats should remain drained for at least 5 days to kill all larvae (e.g. in rice fields) and habitats that recently dried up should be treated as well, if larvicidal agents are applied. (+info)The most common types of laryngeal neoplasms include:
1. Vocal cord nodules and polyps: These are benign growths that develop on the vocal cords due to overuse, misuse, or trauma.
2. Laryngeal papillomatosis: This is a condition where warts grow on the vocal cords, often caused by the human papillomavirus (HPV).
3. Adenoid cystic carcinoma: This is a rare type of cancer that develops in the salivary glands near the larynx.
4. Squamous cell carcinoma: This is the most common type of cancer that develops in the larynx, often due to smoking or heavy alcohol consumption.
5. Verrucous carcinoma: This is a rare type of cancer that develops on the vocal cords and is often associated with chronic inflammation.
6. Lymphoma: This is a type of cancer that affects the immune system, and can develop in the larynx.
7. Melanoma: This is a rare type of cancer that develops from pigment-producing cells called melanocytes.
Symptoms of laryngeal neoplasms can include hoarseness or difficulty speaking, breathing difficulties, and ear pain. Diagnosis is typically made through a combination of physical examination, imaging tests such as CT scans or MRI, and biopsy. Treatment options vary depending on the type and severity of the neoplasm, but may include surgery, radiation therapy, or chemotherapy.
Unresolved complex mixture
Mixture distribution
Rebreather
Polycyclic aromatic hydrocarbon
Selected-ion flow-tube mass spectrometry
The Pods
Sea ice emissivity modelling
Laminar flamelet model
Melamine
Toxic unit
Manoj Chitnavis
Analytical chemistry
Rutherford Aris bibliography
Diffusive gradients in thin films
Instrumental chemistry
Octatonic scale
Multiple displacement amplification
Ancient protein
Emma Schymanski
Xenon monochloride
Base (chemistry)
Ariel Darvasi
Happy Planet Index
Venom
Chlorinated paraffins
Crystal structure of boron-rich metal borides
Urea
Antidesma ghaesembilla
Electrophilic fluorination
Protein
List of food additives
Anton Chekhov
Sacra conversazione
Assyria
Incendiary device
Multimethodology
FORECAST (model)
Bohemic acid
Kolmogorov-Zurbenko filter
Scuba set
Liquefied natural gas
Qualitative inorganic analysis
Neodymium
UML state machine
Methanogenesis
Voltammetry
Substrate inhibition in bioreactors
Freddie Lee Peterkin
Temple of Isis (Pompeii)
Entrenched river
Extractive metallurgy
Articulated body pose estimation
Social utility efficiency
Soto (food)
Fractional crystallization (geology)
Cushing's syndrome
Dar es Salaam
Günter Grass
Eulaema meriana
Universality (dynamical systems)
Complex Mixtures - NCBI Bookshelf
NIH Guide: COMPLEX CHEMICAL MIXTURES INTERAGENCY ANNOUNCEMENT 2000 SCIENCE TO ACHIEVE RESULTS (STAR) PROGRAM
Thermodynamic modelling of complex mixture | Atomistic Simulation Centre | Queen's University Belfast
Bioassay of complex mixtures derived from fossil fuels - PubMed
Grant Abstract: Comparative Bioactivity Modeling and Bioinformatics to Study Combination Effects in Complex Natural Product...
Metabolites | Free Full-Text | Complex Mixture Analysis of Organic Compounds in Yogurt by NMR Spectroscopy
EFFECT OF COMPLEX MIXTURES ON OXIDATIVE STRESS AND COGNITION IN CHILDREN
Simple high performance liquid chromatographic methods for resolving complex mixtures
Erowid.org: Erowid Reference 8885 : Complex mixtures, complex responses: Assessing pharmaceutical mixtures using field and...
NIH VideoCast - Integrating Chemical and Biological Profiling for the Functional Annotation of Complex Natural Product Mixtures
Immunosorbents for Selective Sample Preparation of Complex Mixtures
Designing and Evaluating Complex Cover Crop Mixtures - SARE Grant Management System
Realistic Membrane Modeling using Complex Lipid Mixtures in Simulation Studies. | J Vis Exp;(199)2023 09 01. | MEDLINE
Details for:
Complex mixtures and cancer risk /
› WHO HQ Library catalog
Understanding complex operating behavior
of PEM fuel cells fed with H2/CO-mixtures by means of modeling and model reduction :...
Cholinesterase Inhibitors: Section 4: Clinical Findings in Cholinesterase Inhibitor Toxicity Are Due to a Mixture of Nicotinic...
Aqueous Mixtures
Using passive sampling and zebrafish to identify developmental toxicants in complex mixtures. | College of Agricultural Sciences
National Reconnaissance of Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in Streams Named as One of the...
Sodium Intake Among Adults --- United States, 2005−2006
Evaluation of an in vitro hsp 70 induction test for toxicity assessment of complex mixtures : comparaison with chemical...
RFA-CA-14-503: Limited Competition: International Agency for Research on Cancer (IARC) Monographs Program (U01)
Diatom Mixture, Living | Carolina Biological Supply
How the nose decodes complex odors | National Institutes of Health (NIH)
Frontiers | Probiotic Mixture Containing Lactobacillus helveticus, Bifidobacterium longum and Lactiplantibacillus plantarum...
Natural Product Mixtures2
- Dr. Linington's laboratory is developing new methods for the unbiased chemical characterization of natural product mixtures as part of a collaborative program funded by the National Center for Complementary and Integrative Health and the Office of Dietary Supplements. (nih.gov)
- During this lecture, Dr. Linington will share his perspective on potential solutions for the unbiased chemical characterization of complex natural product mixtures, discuss the advantages of high-content assay systems for target-agnostic biological profiling, and highlight opportunities provided by the integration of orthogonal datasets for the functional characterization of natural product samples. (nih.gov)
Chromatographic1
- Many methods have been published using one or both of these techniques to simplify complex mixtures before chromatographic or spectroscopic analysis. (chromatographyonline.com)
Toxicity2
- Complex Mixtures addresses the problem of identifying and classifying complex mixtures, investigating the effect of exposure, and the research problems inherent in testing their toxicity to human beings. (nih.gov)
- Fatty acids and dithiocarbamates were previously unrecorded components of LDPE extracts and are likely contributing to the toxicity of the whole mixture. (oregonstate.edu)
Exposures1
- Thus, NIOSH is interested in studies that identify synergistic effects of multiple exposure, improve characterization of worker exposures to mixtures, or improve laboratory and statistical analysis methods. (nih.gov)
Concentrations3
- Cumulative and adaptive respiratory tract responses to 3 concentrations of an inhaled particle-oxidant mixture were examined in Fisher 344 N rats exposed 4 h/day, 3 days/week for 4 weeks. (cdc.gov)
- The samples were chemically complex, as they contained high concentrations of naturally occurring interferences, including glycerin in the hand sanitizer and oleic acid in the body oil samples. (llnl.gov)
- This addresses the problem of detection of low concentrations in complex mixtures. (usda.gov)
Behavior1
- The proposed approach will combine traditional natural products based isolation with metabolomics and bioinformatics, enabling a more comprehensive understanding of mixture behavior than is currently possible. (nih.gov)
NIEHS1
- NIEHS is interested in understanding what mixtures of chemicals the public is exposed to as well as the mechanisms involved in the interaction of these mixtures and subsequent health effects. (nih.gov)
Collaborative1
- The purpose of these proceedings is to present the state-of-the-art techniques in bioassay and chemical analysis as applied to complex mixtures and to foster continued advancement of this important area of collaborative research. (epa.gov)
Assay1
- Use of bacterial assay system for monitoring genotoxic complex mixtures in the occupational setting. (cdc.gov)
Biological4
- There is ample literature precedent that the overall biological effect of a mixture can be the result of multiple constituents, which together exert "combination effects," acting synergistically or antagonistically. (nih.gov)
- Together, these systems are providing a broad perspective on the biological roles of all metabolites in complex samples. (nih.gov)
- Multi-Lectin Affinity Chromatography for Separation, Identification, and Quantitation of Intact Protein Glycoforms in Complex Biological Mixtures. (bvsalud.org)
- Aberrant N-linked glycosylation has been associated with several human diseases and has prompted the development and constant improvement of analytical tools to separate, characterize, and quantify glycoproteins in complex mixtures extracted from various biological samples (such as blood and tissue ). (bvsalud.org)
Toxic2
- However, many common harmful substances occur naturally as mixtures and can interact to exhibit greater toxic effects as a mixture than the individual components exhibit separately. (nih.gov)
- We also eliminated pesticides, phthalates, musks, and others identified in toxic fractions by testing surrogate mixtures. (oregonstate.edu)
Smell2
Analyze1
- Lab Forensic Science Center analytical chemist David Cho utilizes state-of-the-art, two-dimensional gas chromatography-time of flight mass spectrometry to analyze complex samples for the Organisation for the Prohibition of Chemical Weapons 48th proficiency test. (llnl.gov)
Components2
- NMR measurements do not require separation and chemical modification of samples and therefore rapidly and directly provide non-targeted information on chemical components in complex mixtures. (mdpi.com)
- It is challenging to identify the active components within complex mixtures of natural products and understand their modes of action. (nih.gov)
Analytical1
- Despite the advances that have been made in the sensitivity and selectivity of analytical instrumentation, for complex samples encountered in environmental and food matrices, some form of sample pretreatment almost always is required to isolate the analytes of interest. (chromatographyonline.com)
Cancer risk1
- Complex mixtures and cancer risk / edited by H. Vainio, M. Sorsa and A. J. McMichael. (who.int)
Chemical1
- The purpose of this announcement is to stimulate innovative experimental approaches and computational, statistical, or predictive strategies for assessing the impact of chemical mixtures that focus on the mechanistic basis for chemical interactions and related health effects. (nih.gov)
Cells1
- Antibody cell separation is a precise and effective approach to isolating cells from complex mixtures. (prlog.org)
Active1
- More broadly, we expect to demonstrate new methodologies that can be adopted by other investigators studying biologically active mixtures. (nih.gov)
Materials1
- It is a diverse and complex mixture of materials. (whoi.edu)
System2
- But when two or three odors were mixed together, a more complex system of nerve cell responses appeared. (nih.gov)
- For example, physician consultations are one of the staple activities in any modern health-care system and often an initial point of entry into more complex forms of care. (fraserinstitute.org)
Separate1
- The mass spectrometry technique has a huge capability to separate complex mixtures. (llnl.gov)
Responses1
- Respiratory tract responses to repeated inhalation of an oxidant and acid gas-particle air pollutant mixture. (cdc.gov)
Data1
- however, interpreting sequence data from complex mixtures of viruses at a population-level remains challenging ( 11 ). (cdc.gov)
Human1
- The threat to human health is complex and poorly understood. (whoi.edu)
Identify1
- Using passive sampling and zebrafish to identify developmental toxicants in complex mixtures. (oregonstate.edu)
Care1
- Health-care systems often require complex mixtures of inputs to operate. (fraserinstitute.org)
Team1
- Likewise, the old building would be renamed and in a stroke, mesh the two buildings (currently known for sake of ease as North and South) and harmonise the entire complex - or 'campus' as Brand and his marketing team refer to it. (abc.net.au)