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evaporation in Medical News

Waters Drives Efficiency in the Clinical and Research Laboratory and Showcases New MassTrak Systems at AACC 2009

...st method features a solid-phase extraction sample preparation step that minimizes solvent usage, enhances automation, eliminates the need for solvent evaporation and sample reconstitution. Further information on the new method is included in a new product handout available online from Waters (Part No. 72000...

Researchers develop the first climate-based model to predict Dengue fever outbreaks

...quito populations in the American Tropics, such as El Nio Southern Oscillations, sea-surface temperatures and seasonal vegetation dynamics that affect evaporation and humidity near the ground. "We were surprised that sea-surface temperature variations in the Pacific related to El Nio can be linked to a debilita...

Amalgam fillings are safe, but skeptics still claim controversy, researcher says

...soaked into metal powder, like water into a sponge, and can come back out of the fillings, but that's not at all true," Dr. Mackert says. In fact, the evaporation rate of mercury from amalgam is a million times lower than from pure mercury. Anti-amalgam activists also say dental mercury pollutes the environme...

SaltWorks' Gourmet Sea Salts Are a Step Ahead of a Top Food Trend for 2009

... Every ocean source has different trace mineral composition and a unique flavor profile. Equally important is the purity of the sea water, method of evaporation and harvesting technique. SaltWorks' CEO Mark Zoske has a vision. "One day, every single processed food will be made with sea salt. From snack ...

Galderma Launches New Cetaphil(R) SPF 50 Product

...ers to help prevent sunburn and other skin damage. The lightweight formula of the Cetaphil(R) UVA/UVB Defense SPF 50 hydrates the skin to avoid evaporation and absorbs quickly, leaving no filmy white residue. It is fragrance free, non-irritating and non-comedogenic, so it won't clog pores, making it a sui...

January 2009 Mayo Clinic Health Letter Highlights Improved PSA Tests, Dry Eyes and Colds

...tions. Healthy eyes are continuously covered by layers of fluids. The outermost layer includes fatty acids that smooth the tear surface and slow evaporation of the thicker, middle layer, which is mostly water. Mucus makes up the innermost layer, which allows tears to be evenly spread over the eye surface. ...

Pond in High Artic Drying Up Due to Global Warming

... these ponds. The soup will slowly decrease in volume and it will get saltier and saltier as the water evaporates, leaving the salts behind. That same evaporation process is taking place with these ponds, he said. So there is a rise in the concentration of salt in the remaining water. Weather records show...

Humans are Gobbling Up a Quarter of Nature's Resources, Reveals Study

... "Unlike farmland, forests help to seed rainfall because they have high evaporation rates. The less evaporation there is, the less rainfall there is and the whole system dries up," said H...

Invisible Gases Form Most Organic Haze in Urban, Rural Areas: Study

...lved in inter-relations between atmospheric chemistry and climate. According to Zhang, cars and trucks release VOCs, and he adds that gasoline evaporation occurs during gas station fill-ups, or during some industrial processes. The U.S. Environmental Protection Agency does not currently regulate ...

Stress on Storage and Conservation of Rain Water by Govt of India

...BCM. The average annual precipitation is estimated as 4000 Billion Cubic Meter (BCM) in the country. After accounting for the natural process of evaporation etc. the average annual water availability is assessed as 1869 BCM. It is estimated that owing to topographic, hydrological and other constraints, the...
evaporation in Medical Products

MyGenie 32 Thermal Block

Description:...res rapidly, and can handle up to 32 samples simultaneously. It contains a heating cover in the lid, so there is no need to add mineral oil to prevent evaporation of the reaction mixture. Up to 100 programs can be stored, and up to 15 steps can be freely connected to make a program. Not available in US ...
Company:Bioneer

Gene Cycler Thermal Cycler

Description:...the sample. Temperature uniformity in all samples is ensured by even distribution of the electrical resistors throughout the heating block, and sample evaporation is avoided by keeping the block lid at a higher temperature than the samples. The cycler has the ability to link up to 6 programs and still provides e...
Company:Bio-Rad Laboratories

Eppendorf Heat Sealing Foil

Description:... The Heat Sealing Foil and Heat Sealing Film each provide 100% evaporation prevention during PCR experiments and allow safe and easy sample storage. In automated procedures the aluminum-coated foil can be easily punctured wit...
Company:Brinkmann

ThermalSeal (sterile)

Description:...l prevents vapor loss and is thermostable and functional from -40C to +125C at 75% humidity. It can be used instead of plate covers to prevent sample evaporation and contamination in sensitive PCR applications. Manufactured RNase/DNase free....
Company:MIDSCI

ThermalSeal (non-sterile)

Description:...l prevents vapor loss and is thermostable and functional from -40C to +125C at 75% humidity. It can be used instead of plate covers to prevent sample evaporation and contamination in sensitive PCR applications. Non-Sterile...
Company:MIDSCI

TurboVap 500 Concentration Workstation

Description:...in thousands of environmental, food testing, pharmaceutical, NIDA, forensic and chemical laboratories worldwide. The Turbo family of products provides evaporation solutions for multiple formats, from small and large volume tubes to 96 well microplates. TurboVap 500 The TurboVap 500 is a two-position unit wit...
Company:Caliper Life Sciences

TurboVap II Concentration Workstation

Description:...in thousands of environmental, food testing, pharmaceutical, NIDA, forensic and chemical laboratories worldwide. The Turbo family of products provides evaporation solutions for multiple formats, from small and large volume tubes to 96 well microplates. TurboVap II The TurboVap II is designed for larger volum...
Company:Caliper Life Sciences

TurboVap 96 Concentration Workstation

Description:... and chemical laboratories worldwide. The Turbo family of products provides evaporation solutions for multiple formats, from small and large volume tubes to 96 wel...wo-position unit that provides fast, convenient, environmentally controlled evaporation for 96 well microplates and deep-well plates. The unit can evaporate 500ul'...
Company:Caliper Life Sciences

TurboVap LV Concentration Workstation

Description:...in thousands of environmental, food testing, pharmaceutical, NIDA, forensic and chemical laboratories worldwide. The Turbo family of products provides evaporation solutions for multiple formats, from small and large volume tubes to 96 well microplates. TurboVap LV Utilizing any of twelve available tube rack...
Company:Caliper Life Sciences

Water-Jacketed CO2 Incubators by Cedco

Description:...ries CO2 Incubators by Cedco enhance performance & reliability. Microprocessor achieves precise temperature and CO2 control. Humidification by natural evaporation & RH% is displayed digitally. Functions of temperature, CO2 and RH are displayed digiton large, easy to read LED displays....
Company:MIDSCI
evaporation in Medical Dictionary

Propane

... energy source through investments in research, safety, and consumer initiatives. Information for ... With propane , there is no spillage loss or evaporation into the atmosphere. ... Propane is the most portable fuel — cylinders can be stored and moved virtually ... France Propane Service Inc. is a ...

Dry Eyes

...ome, xerophthalmia, dry eye syndrome (DES), or simply dry eyes , is an eye disease caused by decreased tear production or increased tear film evaporation commonly found in humans and some animals .... Publication about Dry Eye . ... However, permanent loss of vision from dry eye is uncommon...
evaporation in Biological News

AGU journal highlights -- Aug. 6, 2009

...m the Sun fuels life on Earth and determines the climate of its inhabitants. The amount of radiation that reaches the Earth's surface helps to control evaporation rates, snow and glacier melt, carbon uptake through plant photosynthesis, the severity of seasons, and agricultural productivity. Thus changes in the ...

Army study improves ability to predict drinking water needs

...y produces. Sweat is the body's coolant, but it only cools when it evaporates from the skin. When it is muggy out, the air is moist, slowing the sweat evaporation rate and reducing its cooling power. Sweat rate and water needs are difficult to predict because water needs are so variable. Inactive individuals...

Energy-saving method checks refrigerant level in air conditioners

...anger called an evaporator, cooling the air. The refrigerant vapor turns back into a liquid in another heat exchanger called a condenser. During these evaporation and condensing steps, the refrigerant undergoes dramatic temperature changes. Automotive air conditioning units equipped with the new refrigerant-c...

UCSB scientists document fate of huge oil slicks from seeps at coal oil point

...looking at subsurface biodegradation where there is no oxygen. Now, you still have thousands of compounds in that oil, but now we're seeing all of the evaporation and dissolution that happens to the slick, and then the biodegradation happens in the slick with oxygen present, and then when it falls to the sea flo...

Crop models help increase yield per unit of water used

...anizer Steve Evett, "Future studies exploring WUE simulation should include evaporation or transpiration measurements in addition to total crop water use measurements. In doing so, management methods that reduce evaporation in favor of transpiration can be studied and models of WUE can be tested an...

Uvalde Center water research could have national, international applications

...s to gather data on rainfall and climatic factors, soil type, soil moisture evaporation and the growth stages of various crops. This information is then used towar...tween wells and the aquifers supplying them. "Stable isotopes record the evaporation and condensation histories of water and naturally 'label' different water b...

Novel electric signals in plants

...e and then placed onto the cell walls (see picture). Stomata are microscopically small openings in the leaf surface which plants facilitate regulating evaporation and gas exchange. The scientists found out that the new electrical signal they called "system potential" was induced and even modulated by woundin...

Eugene-Springfield face Upper Willamette climate threats

...ough total annual precipitation is not likely to change significantly, slightly less of it is projected to fall in spring, summer and fall, and higher evaporation rates and water demand resulting from warmer temperatures could mean significantly less water will be available. Snowpack across the region and entire...

Capillary mats labor-saving, economical alternative to hand watering

...bsorbent fabric lined with polyethylene film on the bottom and covered on top with perforated polyethylene or similar material, the mats help minimize evaporation while allowing water to move from the bottom of the mat up into the containers on top. One advantage of capillary mats is that plants of different ...

February 2009 Geology and GSA Today media highlights

...rom the southwestern end have more of the heavier 13-C isotope compared with fossil teeth from the northeastern end, evidence that there was increased evaporation of moisture from the soil and plants in that direction. The carbon isotopic data indicate that animals living on the river plain to the southwest were...
evaporation in Biological Technology

Scientists create metal that pumps liquid uphill

...er towel or creates "tears of wine" in a wineglassmolecular attractions and evaporation combine to move a liquid against gravity, says Guo. Likewise, Guo's nanostr...liquid to quickly spread out across the metal. Combined with the effects of evaporation as the liquid spreads, this molecular interaction creates the fast wicking ...

Penn researchers demonstrate a flexible, 1-step assembly of nanoscale structures

...attern. By lacing the solvent with iron nanoparticles, the team found that evaporation of the solvent drives the assembly of the nanoparticles onto the membrane s...e lattice once the solvent evaporates. To capture the diamond plate before evaporation and, more important, to utilize this deformation for assembly of complex fu...

New Chromatography Detectors From Varian, Inc. Extend the Range of Universal Detection for HPLC and LC/MS

... detection in LC/MS (Liquid Chromatography/Mass Spectrometry) for compounds that are difficult to ionize. With the capability to deliver sub-ambient evaporation down to 10 degrees Celsius, the new Varian 385-LC provides maximum sensitivity for compounds with significant volatility below 30 degrees Celsius, giv...

Nanotubes go with the flow

...thin the confines of the channel. When the channels are of the correct geometry, aqueous solutions containing nanotubes enter from both ends, and upon evaporation leave behind dense and highly oriented arrays of nanotubes. Suh cautions that the mechanical properties and surface chemistry of the polymeric mold us...

Fully Automated Nano-Electrospray Coupled with a Finnigan LCQ Deca XP Plus for Sub-fmol Proteomic Analysis

... 10 μL were placed in wells of a 96-well plate (Nalge Nunc International, Rochester, NY, USA). The plate was sealed with plastic film to minimize evaporation and inserted into the autosampler of a Finnigan Surveyor HPLC system (Thermo Electron, San Jose, CA, USA), where it was kept at 4C while waiting for a...

Sciclone ALH 3000 Liquid Handler: Functional Characterization of the High Volume Head - Part 1: Plate-to-Plate Precision Testing

...the sample itself. Differences in surface tension, evaporation rate, and wetting properties have a direct effect ... speed. Finally, the issue of evaporation must be addressed. Although this is an accuracy, r...an a precision issue, variations in accounting for evaporation rates interfere with the precision results at the ...

Verifying Multichannel Pipettor Performance with Standard Dispense Solutions in the SpectraMax Plus (MaxLine Application Note #28)

...d the density, taking into account temperature and evaporation rate. The gravimetric method is useful for dispens...r each given dispense volume, in order to minimize evaporation errors. You will therefore need to create a sepa...e#1 in the SPECTRAmax PLUS . To avoid significant evaporation error, read the plate within a few minutes of fill...

Using the SpectraMax Plus for USP Dissolution Calibration (MaxLine Application Note #27)

...he microplate. Accurate pipetting is not necessary, though the volumes should between 100 L and 300 L for best pathlength-corrected results. To avoid evaporation error, read the microplate within a few minutes of putting the samples in it. If the readings must be delayed, cover the plate with an adhesive seal. ...

PathCheck Applied to Measurement of Protein Solutions in the SpectraMax Plus Microplate Spectrophotometer (MaxLine Application Note #26)

...cuvette will be read in the near-infrared at the same time the plate is read, and its absorbance values used in the PathCheck calculations.) To avoid evaporation error, make the readings within a few minutes of putting the samples in the microplate. If the readings must be delayed, cover the plate with an adhes...

Practical Applications of HyperDSC in a Pharmaceutical Laboratory

...ion by HyperDSC Glass transition and evaporation This amorphous active ingredient has a high water content (about 10%) whose evaporation conceals glass transition during a DSC analysis un...5 C/min). An experiment at 300 C/min pushes water evaporation up to high temperatures, making it possible to det...
evaporation in Biological Products

Modular hybridization system from Sigma-Aldrich

Description:...k or free floating specimens of any thickness with up to a 13 mm diameter. Build up to three chambers per slide. Minimize specimen handling, eliminate evaporation and leaking even when submerged. RNase-free, ready to use for multiple incubations and agitated washing steps. (Assortment pack contains seal tabs, 5 ...
Company:Sigma-Aldrich

Modular hybridization system from Sigma-Aldrich

Description:...k or free floating specimens of any thickness with up to a 13 mm diameter. Build up to three chambers per slide. Minimize specimen handling, eliminate evaporation and leaking even when submerged. RNase-free, ready to use for multiple incubations and agitated washing steps. (Assortment pack contains seal tabs, 5 ...
Company:Sigma-Aldrich

Gene Cycler Thermal Cycler from Bio-Rad

Description:...the sample. Temperature uniformity in all samples is ensured by even distribution of the electrical resistors throughout the heating block, and sample evaporation is avoided by keeping the block lid at a higher temperature than the samples. The cycler has the ability to link up to 6 programs and still provides e...
Company:Bio-Rad

SC210A SpeedVac Concentrator from Thermo Scientific

Description:...g chemical compatibility Three Selectable Heating Levels optimize evaporation Automatic Bleeder Valve for unattended vacuum control A W...iant Cover for additional protection against organic solvents and improved evaporation ...
Company:Thermo Scientific

MCP1-S Pipette Calibration Workstation from Mettler Toledo, Inc.

Description:...Multi-channel pipettes can therefore be calibrated up to 10 times faster than with traditional analytical balances. * Single-channel set with 20 ml evaporation trap * Multi-channel set for up to 12 channels * Calibration set no. 11138254 * Carrying case * One channel pump * Reservoir for collecting the t...
Company:Mettler Toledo, Inc.
evaporation in Biological Definition

Warm-blooded

...irect less heat to the skin), flushing (circulatory changes to radiate more heat from the skin), panting or sweating (to increase heat loss through evaporation ). Warm-blooded versus cold-blooded Biochemical processes are heat dependent. The rule of thumb is that they go faster when they are warm and...

Photosynthesis

.... The surface of the leaf is uniformly coated with a water-resistant, waxy cuticle , that, protects the leaf from excessive absorption of light and evaporation of water. The transparent, colourless epidermis layer allows light to pass through to the mesophyll cells where most of the photosynthesis takes pla...

Homeostasis

...perature is too low. Non-shivering thermogenesis involves the decomposition of fat to produce heat. Sweating cools the body with the use of evaporation . Chemical regulation The pancreas produces insulin and glucagon to control blood-sugar concentration. The lungs take in oxygen an...

Polymerase chain reaction

...r . This is a machine that heats and cools the reaction tubes within it to the precise temperature required for each step of the reaction. To prevent evaporation of the reaction mixture, a heated lid is placed on top of the reaction tubes or a layer of oil is put on the surface of the reaction mixture. These ma...

Photosynthesis

.... The surface of the leaf is uniformly coated with a water-resistant, waxy cuticle , that, protects the leaf from excessive absorption of light and evaporation of water. The transparent, colourless epidermis layer allows light to pass through to the mesophyll cells where most of the photosynthesis takes pla...

Reduction

...roblem into an equivalent instance of another. In cooking , reduction is the process of thickening a liquid mixture such as a sauce by evaporation . In chemistry , reduction is the reverse of oxidation, i.e. the formal oxidation state of an atom (independent or within a molecule )...

Thermoregulation

...eces and urine, respiration, conduction and radiation from the skin, and by evaporation of perspiration. The following are approximately the relative amounts of he...ction - cooler air currents remove heat from the surface of your skin. evaporation - evaporative cooling occurs when water (often from perspiration) leaves t...
evaporation in Biological Dictionary

Melting temperature

... alloys ... Latent Heat of Melting of some common Materials The latent heat of fusion when ... Melting and boiling point temperatures , latent evaporation and melting heat of some common substances as copper, gold, lead and more - in SI units The melting temperature , a characteristic property us...

Biome

...nd ... Many places on Earth share similar climatic conditions despite being found in ... Within the tundra biome , temperature, precipitation, and evaporation all tend to ... The importance of biomes cannot be overestimated. Biomes have changed and moved many times during the history of life on Earth....
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