tag:blogger.com,1999:blog-24005785561092921892024-03-13T10:18:17.067-07:00News Education and ScienceInformation About The Program of Education and Science Laboratories in GeneralAnonymoushttp://www.blogger.com/profile/06616393010265265321noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-2400578556109292189.post-80549737461929752252012-05-10T13:17:00.000-07:002012-07-10T13:19:02.414-07:00All That You Need to Know About Pipette Tips<div style="text-align: justify;">
Pipettes are laboratory instruments/tools used to transfer liquids, usually chemicals from one place to another. They are used very extensively in experiments that involve reactions of acids and alkalis, so known as titration experiments. Accuracy is one of the salient features of these tools and they come about owing to many features. One of these is the precise calibration of the tube that allows accurate markings and liquid capacity to be noted. Another feature is the pipette filler that is available separately but from the same manufacture that one may decide to buy the tube from. These allow safe and accurate filling of any chemical. A very important sub instrument available with this is the pipette tip that is places towards the end or suction area of the tool and helps in accurate and easy injection of fluids.<br /><br />Pipette tips are disposable. This is good news for many users as a lot of experiments do require the use of the tools without a protrusion.</div>
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This will help flexibility with which scientists and chemists can perform experiments. Although the user may buy any form of tip they want, but experts highly recommend that it be bought from the same manufacturer they got the pepittor from as it will fit in properly as required and will also be of the desired accuracy. The manufacturer can also guarantee or offer a warrantee offer on any items that may be returned in case they do not work as advertised.<br /><br />Pipette tips are available in many sizes and forms. They can be available in sizes depending on the size of the tool they have to be attached to. So for instance if the tube is wider in diameter, the tip will be made accordingly. This is exactly why experts ask for the same manufacturer's pipette and tip, because they fit together more effectively. They are prepared in sizes exactly the same as the pipettes are manufactured in order to ensure perfect functionality.<br /><br />The varieties that these tips are available in include sterilized, non-sterile and filtered tips. They come in five together in a single tray. The sterilized variety is actually more common in experiments that involve the use of medicine and vaccine. Also when the study of blood is involved, all possible care needs to be taken to ensure that pathogens and bacteria do not contaminate the culture or whatever experiment is under study. Filtered variety is used to extract liquid that contain tiny solid particles for example a mixture of sand and water. The filter acts as a permeable layer that leaves out any unnecessary particles. A non-sterile form is the simplest form of tip that is available. It is the cheapest too, given that no extra work is put into it. The tip works fine for regular experiments and all kinds of liquid.<br /><br />The tips are made of hard or good quality plastic. The reason for that is that plastic is a non reactive matter so it does not alter any acids or alkalis. The tips are also made of part plastic, part glass or even rubber. These also ensure that the tip flexibly fits the tube without breaking and it also ensures that it is fit in tight.<br /><br />The introduction of these extras has made experimentation a lot easier compared to earlier times along with this experimentation has become a lot safer as well. It has allowed experimenters and many other to use precision and transfer their liquids under study to small areas. The nozzles of the tips allow the liquid to escape but not too quickly allowing more control and precision.<br /><br /><br />Article Source: John Delorean<br /><br /></div>Anonymoushttp://www.blogger.com/profile/06616393010265265321noreply@blogger.com7tag:blogger.com,1999:blog-2400578556109292189.post-40621142248888279972012-05-09T13:15:00.000-07:002012-07-10T13:16:10.436-07:00Laboratory Centrifuges<div style="text-align: justify;">
A number of laboratories make use of certain instruments and methods to prepare samples of various densities. Laboratory centrifuges are widely used by laboratories for this purpose. This laboratory equipment spins at high speeds so as to separate the required sample from the rest of the solution or mixture. The samples and it's component can then be used for various purposes.<br /><br />Some hospitals use centrifuges to separate sperm cells from the semen so that these can be used to impregnate a woman who wants to be a mother but cannot do so via intercourse due to an infertile male partner. Many couples resort to centrifuges so that they can select the gender of the child prior to fertilization- sperm with the X chromosome is believed to be heavier than sperm with the Y chromosome and so, the heavier sperm (the X chromosome sperm) is flung to the bottom of the centrifuge which can be used in case the couple wants the child to be a girl. This can also be used to prevent sex-linked diseases.</div>
<a name='more'></a><br /><br />Laboratory centrifuges are also used to separate blood into its components - plasma consisting of platelets, white blood cells and red blood cells. The red blood cells are the heaviest of the three and so, these are flung to the bottom of the centrifuge. These can be used by a hospital to help patients suffering from anemia via transfusion. White blood cells separated from whole blood are used to help patients suffering from leukemia (cancer of the blood) as they do not have many white blood cells and so, their immune systems are weak. Platelet-rich plasma is separated from whole blood for patients suffering from cancer because chemotherapy destroys the bone marrow and so, platelet-rich plasma would be required to prevent or stop them from bleeding. This is given to them via platelet transfusion.<br /><br />Centrifuges can be used in laboratories involved in nuclear weaponry-the uranium isotope, uranium-238, is heavier than uranium hexafluoride gas and so these are more concentrated along the walls of the centrifuge, allowing one to extract the required isotope (uranium-235) and use this for the enrichment of nuclear weapons. These centrifuges can be used to separate petroleum from its components which would allow them to use the components for other purposes.<br /><br />Different kinds of centrifuges are available for various purposes. Smaller centrifuges (known as micro centrifuges or microfuges) can be used in laboratories where the space is limited though they are now used in all laboratories. They have small plastic tubes that can hold small amounts of samples. Refrigerated models are available for samples that may be affected by warm temperatures or a change in temperature. They are equipped with condensers and compressors which helps keep them internally cool and allow substances to be centrifuged at low temperatures. All models are equipped with motors that would allow them to separate the solid in the fluid by flinging these to the bottom of the centrifuge.<br /><br />Laboratory centrifuges are very useful for a number of purposes. They are used to help a country strengthen their nuclear weaponry. These can be used to separate petrol from its components which would benefit many other industries. Hospitals can use various components of blood according to the patients' requirements or to help impregnate a woman with a healthy child, free of potential sex-related diseases. Since they are available in different sizes they can be used by laboratories in a convenient manner which would allow them to protect, preserve, separate and analyze the mixture. Therefore, centrifuges help a number of industries and people in various, beneficial and useful ways.<br /><br /><br />Article Source: John Delorean<br /><br /><br />Anonymoushttp://www.blogger.com/profile/06616393010265265321noreply@blogger.com2tag:blogger.com,1999:blog-2400578556109292189.post-12891480609846914032012-05-08T13:12:00.000-07:002012-07-10T13:13:15.012-07:00Specimen Containers<div style="text-align: justify;">
Various people involved in the field of science (and other fields) analyze materials of all sorts for different purposes. Doctors may need a urine, blood or stool (or other such specimen) sample to help patients and to determine whether or not they suffer from a certain disease. Surgeons can use them for storing tissue samples during an operation. Scientists often require specimen containers for containing chemicals and other such experimental material. Police departments use such containers to store DNA samples of the criminal so that they can identify him/her or at least get a suspect. So, as can be seen, these containers are of use to many people in different fields.<br /><br />Fortunately, there is a large variety of such containers. They come in different sizes, colors and some are made in a way that would allow the user to conveniently measure the specimen stored within them which would help save time as compared to measuring the specimen, first, and then, storing them in the container. Specimen containers are made in a way that they are resistant to chemicals such as formaldehyde.</div>
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These containers can also resists weak acids as well as most bases which means that one can safely store certain kinds of specimen in them without worrying about the container getting corroded or spoiled due to the specimen itself. They are also resistant to a range of temperatures (depending upon the kind of container one would choose) which would allow the user of the container to store the specimen regardless of the temperature as long as it is stored within the stated range of temperatures to which the container is resistant. In addition to their amazing features, these containers are available at cheap and reasonable prices, too.<br /><br />These containers are used in hospitals in a number of ways- doctors can collect the sperm of sperm donors and use the specimen where a woman may need to use it due to an infertile male partner. Blood samples are collected in these containers to check and analyze whether the blood of a donor is safe for, say, a blood transfusion or to determine whether a patient is suffering from a serious disease such as leukemia or AIDS. Urine and stool samples are stored in these which allow doctors to analyze whether a patient is suffering from a disease such as typhoid, jaundice or other diseases.<br /><br />Those agencies involved in crime investigations use these containers to store any material that would help them identify the criminal. Sperm samples of rapists, hair left by criminals and any other material of the sort can be stored in these containers for analyses. This would allow them to get a DNA sample of the criminal and would enable the agencies to track down the criminal and remove them from the streets. So, the containers also help keep the streets clean from such criminals due to the fact that they can be used to store any sort of specimen.<br /><br />Scientists and astronauts can use these containers to store specimens that are discovered in space or things such as meteorites and other material that would help them in their research in the long run.<br />All in all, specimen containers are very useful for people wanting to store certain specimen. Since these are manufactured in a way that they can resist temperature changes and a range of temperatures, they have the added advantage of being able to protect specimen under different conditions. The containers help keep the streets clean, solve crimes, analyze and detect diseases (since tissues, blood samples and other specimens can be stored within them) and they also help keep different specimen safe for analysis at a later point in time.<br /><br /><br />Article Source: John Delorean<br /><br /></div>Anonymoushttp://www.blogger.com/profile/06616393010265265321noreply@blogger.com1tag:blogger.com,1999:blog-2400578556109292189.post-40353239163899531742012-05-07T13:09:00.000-07:002012-07-10T13:10:22.662-07:00Laboratory Incubators<div style="text-align: justify;">
To look into the science of what makes a laboratory incubator, we first need to highlight what and how an incubator works. A typical incubator incorporates of a see through valve or a chamber in which has inbuilt equipment that allows room to control the temperature, humidity and ventilation. With the passage of time the use of incubators from the fundamentals such as keeping premature or sick newly born to hatching of poultry eggs has also moved to development of microorganisms. In other words, incubators allow room for easy manipulation and growing of these elements so that enough research can be done on new diseases or medical treatments and results are found to be worked upon.<br /><br />If we shine light in laboratory incubators so we come to know that there are further many types of these laboratory incubators such as medical or specific substance related incubators.</div>
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Laboratory incubators first came into notice by the doctors in the twentieth century, where they found out that these devices could also be used for looked upon more clearly on the bacteria inside a patient's body fluid, hence it will be of great assistance in identifying the root cause of their illness and then generating medicine to fight the bacteria will also be more effective.<br /><br />A normal laboratory incubator has an area inside built in such a way that a Petri dish, a flask or a container can be put inside it to run the experiments. The collected fluid of microorganism is placed on one of these items mentioned before and then it is locked inside the incubator. After this process has been done, the air inside the incubator is heated up so that the cell's have a natural environment to grow in. Also there is allowance to release carbon dioxide or nitrogen in the incubator so that the cell's multiple in a large form, which will automatically be of great help to the scientist or the doctors for working upon the organism/bacteria they think is dangerous.<br /><br />An example of the wide use of laboratory incubators is also the generation of tissue for better understanding of the living organism. It would be wise to mention here that with methods like this being adopted by the scientists, it has resulted in providing them vaccines to fight against Polio, measles, mumps and influenza etcetera. The issue of disorder in a human being has also been looked upon with the help of incubators in such a way that the disorders occur due to deficiency of particular sort of enzymes in area of the body, hence with tissue culture allowing doctors to look into all sorts of enzymes and bacteria, no matter how minute they are; the cause of any sort of disorder is calculated easily.<br /><br />Genetically modified substances to procreate other sorts of organism, is also one of the many modern functions for which the laboratory incubator is being used by researchers worldwide. The development of insulin to provide sufficient proteins to people with diseases such as diabetes is also been able to come to the surface because researchers were able to manipulate different microorganism in order to come up with a substance such as insulin.<br /><br />Laboratory incubators come in different shape in sizes; they can be as large as refrigerator or a small box. But each has its own particular use. With the advances in science and technology, there will be more development in regards to incubators so that better and concrete medical substances are made to fight various diseases. All these advancements are anticipated to take laboratory incubators to a whole new level of reliability and success.<br /><br /><br />Article Source: John Delorean<br /><br /></div>Anonymoushttp://www.blogger.com/profile/06616393010265265321noreply@blogger.com3tag:blogger.com,1999:blog-2400578556109292189.post-73927374760227750612012-05-06T13:04:00.000-07:002012-07-10T13:06:27.793-07:00What Makes a Good Nursing Program Great<div style="text-align: justify;">
With so many options for nursing schools, the prospective student has some tough decisions to make before even setting foot in a classroom, let alone in a hospital or any other medical facility. There are some fairly obvious factors that require consideration, but sometimes the little details are what really differentiates programs and gives some schools a greater competitive standing.<br /><br />Some of these obvious factors are things like tuition fees; a school should not cost above one's means. Another is the length of the program; not everyone has a lot of time to dedicate to education before entering the workforce. Location, or the option to pursue online courses remotely, may also be important for some students. Finally, a school with a job-placement program certainly offers advantage to their counterparts. So, what are the finer details to consider, and how does one go about researching schools to get all the necessary information?</div>
<a name='more'></a><br /><br />A career like nursing requires just as much hands-on experience as theoretical training. Therefore, the school's facilities are crucial to getting the best education. Find out some details: when were the facilities built or acquired? How old is the building where the department is housed? Is the department location somewhere isolated or is it on a university campus? A great nursing school should be adjacent to a real university medical centre. But there's more, attending a school of nursing means more than getting your hands on great equipment. Some schools have actual mini-hospitals incorporated into their departments, complete with full body-simulation mannequins. Because the experience of being a nurse brings with it so many different challenges, any program that focuses on simulation of real situations should top your list.<br /><br />Once you've checked out where you'll be studying and with what equipment, find out something about the classes themselves. Some nursing programs pack plenty of aspiring nurses into lecture halls, but this class atmosphere won't give you the personalized relationship with faculty that really makes a difference. If the school has clinical placement groups as well, the ideal student to teacher ratio should be around 8:1. Regarding the teachers themselves, expect nothing less than a clinically-experienced faculty consisting of both nursing professors as well as registered nurse technologists. And faculty shouldn't be the only source of education and guidance. Feedback from graduates and other peer-tutoring programs greatly increase the student's scope of education.<br /><br />Nursing is a lifelong profession that never ceases to offer new challenges and greater senses of gratification. A good nursing career begins with a great nursing school, with top facilities, dedicated teachers, and a long line of successful alumni. Taking the time and effort to do your homework about which school is right for you is the first meaningful assignment in earning your degree or diploma in this rewarding field of medicine and healthcare. Not only will you know the difference once you have made the right choice, but the countless doctors you aid and the patients you serve will too.<br /><br /><br />Article Source: Michael Zunenshine<br /><br /><br />Anonymoushttp://www.blogger.com/profile/06616393010265265321noreply@blogger.com6