Wednesday, 25 May 2016

A Brief Glimpse Into Nano Rods And Its Applications

Nano Rods
Nano Rods | Image Resource : nanoseedz.com


In terms of nanotechnology, the size of nano rods has different morphology. The nano rods are one-dimensional structures which offer a directed way for the electrical transport and these are mainly used in order to control the bandwidth which differs in the radius of a rod and by making use of a quantum size effect.

The dimensions of the nano rod usually range from 10-100 nm. These rods are mainly synthesized by using the semi-conducting metals and materials in the ration 5:3. The most common way of synthesizing the nano rods is by the direct chemical process.

A quantum dot has the capability to give a different form of the polymer. The solar cell can be intensified by using the effect called as quantum confinement that will affect the width and length of nano rods by assisting to thinner devices for best absorption of an incident light.

Various Formations of Nano Rods


Gold is considered as one of the excellent nano rod due to its potential in the biological sensing; it has the capability to absorb the refractive index at IR that elevates the accurate sensing. Along with the absorption, the rods can be high at a peak of IR by using laser emission. The gold nano rods are usually excited and they generate a remarkable amount of heat. This heat will enable thermal deconstruction of injured cells like a tumor or cancer cells.

If you purchase the nano rods which are made up of gold you can evidence its different optical properties because of a quantum dot effect. You can find these rods in a cylindrical shape and the size differs from 10-40nm in its width, however, it can able to intensify to 100s when it comes to length.

Biological applications of gold nanorods


Gold nano particles are used as a supplement for the aesthetic reason. These nano particles can be adjusted in order to scatter and absorb the light which is close to the infrared areas of an electromagnetic spectrum. This kind of property will result from assembling oscillations of electrons across the surface of a metal and these can be improved by modifying the environment, size or shape. The nano particles of gold have a rod like structure which is of specific interest due to its anisotropic shape.

The absorbable form of the gold nano rods involves 2 bands of absorption: -

Because of the absorption through the long axis

Another one is because of the absorption through the short axis.

If the length of a rod intensifies, it performs a red shift longitudinal band in cooperation with intensifying in extinction coefficient. Due to sensitivity to modify in the local atmosphere and optical control, the gold nano rods are used for biomedical imaging, Photothermal therapy, materials for sensing and drug delivery.

The biomedical applications of the nano rods involve cancer imaging by making use of improvised scattering property and the photothermal therapy by making use of the improvised property of nano-radiative photothermal property.

Tuesday, 19 April 2016

Buy Multi-Functional Graphene: Marking Advancement And Convenience

Buy Graphene
Buy Graphene | Image Resource : ad-nanotech.com


Carbon comes in many forms like lead, graphite, as well as in the form of diamonds. Initially, there were only few forms of carbon like diamond, graphite, and amorphous carbon but then few more forms were discovered like carbon nanotubes and fullerenes and it is then that Graphene was first introduced. Graphene is a honeycomb grid made up of carbon atoms and now in all initial forms of carbon, grapheme is the highly used metal like bonded on top in the form of graphite forming lead of the pencil, rolled into carbon nanotubes or folded in fullerenes.

Graphene is known as the two-dimensional metal as it extends only in length and width and is found to be emerging as one of the most super powerful and efficient nanoparticles as they exhibit some excellent and unique properties which make them totally different. Graphene is prepared by many processes and different methods produce different kinds of grapheme having variant qualities which may also cause defects, lead to impurity, structural disorders and wrinkles in graphene sheets.

Preparation

There are various methods to produce Graphene. Graphene is prepared with many toxic metals which lead to generation of many hazardous wastes leading to pollution and harm to environment. However many environment friendly approaches needs to be developed for such production.

Currently the various techniques used in production of Graphene are micromechanical cleavage, chemical vapour deposition, liquid phase exfoliation of Graphite, unzipping of carbon nanotubes and many more. Continuous and regular efforts are made by big industries, R&D institutes, universities and companies as large scale production is needed and so that the cost to buy graphene is reduced and high quality graphene is produced.

Properties inducing people to buy Graphene

1. People are coming with such argument as portraying Graphene is the strongest material available.

2. It is naturally the lightest metal and super electrified and super-conductive.

3. It exhibits super high speed of circuitry, good flexibility, and the thermal ability is incomparable.

4. This carbon allotrope also helps in improving the use and efficiency of other materials available.

5. Graphene is chemically stable also.

Thus the above promising qualities make graphene highly useful in various electronics of next generation as they have mechanical flexibility as well.

Buy low-cost Graphene and put to following Applications:

Graphene is used in making batteries which makes them cheap and highly conductive.

Industries buy graphene to use in the production of promising solar cells which makes them cheap, lightweight and flexible enough.

People buy low cost graphene made bio-sensors which help detect diseases as well as explosives.

Graphene is used in making of transistors and interconnects.

Researchers have evolved that buying highly conductive graphene for telecommunications application is also very useful as it proves to be at an advantage of photonics application.

Coating is another useful application of Graphene.

Graphene loudspeaker, EMI shielding, graphene based photothermal agents to kill bacteria are some other useful ways.

Wednesday, 16 March 2016

Everything About Gold Nanoparticle Synthesis

Gold Nanoparticle
Gold Nanoparticle | Image Resource : i.ytimg.com


The colloidal features suspension of a gold nanoparticle of submicrometre sized used within a fluid like water is colloidal gold. This liquid colors rich red for nanoparticles which are less than 100 nm. For particles more than 100 nm, this liquid turns blue or purple color. For centuries artists has been used them due to their reflectivity in light.

In recent times extensive research has proved the eligibility of the particle to be used for various advanced technical applications like sensory probes, drug delivery, organic photovoltaics, and theurapetic purposes in various medical and biological uses. One can tune the optical and electrical properties of gold nanoparticles.

Method of Gold Nanoparticle Synthesis


There are many ways to synthesize and produce gold. Gold nanoparticle synthesis can occur using –Turkevich method, Brust method, Perrault method, Martin method, Navarro method, Sonolysis, Block copolymer method and green chemistry techniques.

Generally this nanoparticle can be produced by some liquid chemical technique by reducing chlorauric acid. The solution after dissolving it is stirred at a fast pace. This colloidal nanoparticle gold is then added with a reducing agent.Au3+ ions are reduced to Au + ions. A disproportionate response occurs. Here Au3+ and 2Au+ ions get produced. A stabilizing agent helps the nanoparticles to be stable. The nucleation centre in this case surrounds around the Au0 atoms.

Properties of gold nanoparticles – optical and electrical


The optical interactions in between light source and gold nanoparticles are really strong. Various applications of the particle are made due to the gold nanoparticle synthesis and optical properties. It is also dictated by the particles size, physical properties, dimensions and environment.

The electric field of any light source which is oscillating close by colloidal nanoparticle gold reacts with the free natured electrons. Thus an accumulation of electron oscillation occurs which can also be termed as resonance of the frequency of the light source visible. These oscillations resonant in nature are also termed as surface plasmas.

If large amount of salt is added into a solution of gold nanoparticles the same phenomenon can be observed. The surface area charged because neutral in nature. Hence the gold nanoparticles accumulate. The solution changes its color from red to blue here. Polymer coating is added to minimize this aggregation.

They are also coated with small amount of molecules and molecules of various biological recognitions. The modifications made on their surface made these nanoparticles of gold to be of great use in engineering, biological, medical and chemical sector.

Friday, 12 February 2016

Taking A Plunge Into The World of Multi Walled Carbon Nanotubes

Multi Walled Carbon Nanotubes
Multi Walled Carbon Nanotubes | Image Resource : carbonallotropes.com


In the last few years, numerous elements from the galaxy of nano technology have made their way into our daily lives. Nano objects are no more limited to the research labs, but have made their presence felt in our homes as well. In fact, some elements of nano objects are being used in the medical field as well. For instance, the properties of nano particles are being utilized for curing cancer disease. Among the many forms of nano objects available, the tube form is one of them.

Nano tubes of carbon are definitely the most commonly used nano particles, and there are many kinds of carbon nano tubes. In the piece of writing, we will share some interesting information about the multi walled carbon nanotubes. Well, from the name itself you can make a guess about the structure of these nano tubes of carbon. Unlike the normal kind of carbon nano tubes which contain only a single layer of graphene, the multi walled ones feature numerous layers of the same graphene element.

What makes the multi walled carbon nanotubes different?


Apart from the obvious difference in the number of layers, there are few basic differences between the normal form of carbon nanotubes and the multi walled ones. For instance, the morphology of the multi walled carbon nanotubes is featured by a high aspect ratio. In fact, the aspect ratio sometimes turns out to be higher than that of the common form of carbon nano tubes. The entanglement as well as straightness of these nano tubes also matter a lot in figuring out their performance.

Coming to the electrical properties of the multi walled form of carbon nano tubes, they are very much different from the regular ones. It is interesting to note that the inner walls or layers of these nano tubes are not resistant in nature, however, the outer wall is. This very property makes these nano tubes extremely useful for making electronic devices.

Now, let us talk about the chemical properties of the multi walled form of carbon nano tubes. It would not be wrong to say that the chemical attributes of these nano tubes is quite similar to the hybridized carbon ones. In addition, the chemical stability is also quite impressive. Not just that; the strength of composites made from these nano tubes is pretty good. Plus, they also have the capability to enhance the dispersibility of composites.

Tips to buy multi walled carbon nanotubes


Online market is undoubtedly the best option you can consider for purchasing any form of nano particle. In the web world, you would easily find many suppliers of multi walled carbon nanotubes, and that too of high grade. But, you should place the order only after careful considerations. You need to double check the purity level of these nanotubes, and it should be between 99.95 and 99.99 percent. Lack of purity may affect the properties of the nano tubes, which in turn may affect your purpose of purchasing them. Hence, pay heed to the quality.

Thursday, 14 January 2016

Surface Functionalization Strategies Of Nano-Sized Iron Oxide Powder

Iron Oxide Powder
Iron Oxide Powder | Image Resource : wikimedia.org


The surface functionalized iron oxide nanopowders are a form of novel nanomaterials that are popularly used in catalysis and biotechnology. There have been tremendous development in this field, which reflects that iron oxide [article have amazing stability, high magnetic saturation, interactive functions and even biocompatibility at the surface.

Best thing is that this surface of the iron oxide nanopowder can be further modified with the use inorganic and organic materials like silica, polymer, biomolecules and many more. On this basis, they are considered for a myriad of commercial applications which keeps on growing with time. Probably, this is why there are many who want to buy iron oxide powder at affordable price so as to make the most of it.

Applications of Surface Functionalized Iron Oxide powder


As mentioned earlier, there are endless applications of this powder and thus they are known to be a magical powder by many researchers. Amongst those, the common application remains to be bioapplications.

Yet again, these powders have found many uses in the bio-medicine sector and they are

Detection of important biological entities (protein, cells, nucleic acid, bacteria, virus, enzyme)
Therapy and Clinical Diagnosis such as Magnetic Fluid Hyperthermia & Magnetic Resonance Image
Targeted drug delivery which would reduce toxicity caused by the action of drugs
Biological labels and bioseperation
Finally, for the making of bio-sensors that confer physical and chemical properties of the body.

Without a doubt the use of surface functionalized iron oxide powder can reshape the future of healthcare industries. However, thought it is a potent material but researchers keep on working, so that it can make its way to various sectors.

Buy Iron Oxide Nanopowder And Bring its Magical Properties to Your Sector


Gone are those days when the use of these powders was just limited to researchers as now they have made their way to the commercial market, so that anyone who wants to know more about them can buy iron oxide nano powder.

Not only retail stores, but these nanoproducts are even available at the online wholesale market so that you can purchase the best of nanotechnology at affordable rates. However, while purchasing them always make sure that you go ahead with a reliable option that is known for providing the right type of surface functionalized iron oxide powder that you require for performing various experiments. Because without the right type, you will never receive the results that you are looking for!

Furthermore, the competition in nano world is increasing day by day. And the result is that there is no degrade in the quality so that the buyers do not underestimate any seller. Therefore, the buyers are safe when it comes to the quality. In addition, the competition has even enabled low cost prices and no sellers will charge anything beyond expectation. So, what are you waiting for? Find the best seller online and start shopping for iron oxide or any other nano powders online.

Wednesday, 13 January 2016

Two Procedures For Selecting The Indian Wedding Invitation Designs For NRIs

Indian Wedding Invitation Designs
Indian Wedding Invitation Designs | Image Resource : tjegah.com


It is the dynamic world today, not just people but the nations are experiencing changes. And this is the reason why many Indian families now are getting settles in different countries. All these Indian families marry out of India, but they wish to celebrate in Indian style. Celebrating a wedding in own culture with relatives and friends will bring happiness, glee and fun in the environment.

The NRIs nowadays are making a point to wed in Indian style, so that they showcase their rich traditions and rituals to the people abroad. This is of course a sense of pride. Indian weddings are filled with excitement each day, with dance and music, laughter, emotions, and rituals. They wish to have everything in Indian style with Indian wedding invitation designs to decoration of the venue; Indian outfits an Indian food as well.

Methods of creating Indian wedding invitation designs


The cards are medium to call the guests to the events, hence they need to be designed and organized well so that you can personally hand over. Basically, you can come across two methods through which you can get your Indian wedding cards done.

1. Selecting a wedding card company is naturally the first choice. There are some companies available in foreign countries that can help you personally in creation and printing the card. You can go to their store and choose the designs. There will be a huge variety available and you can make your choices then and there itself.

2. Second option is getting the Indian style wedding cards from online websites. There are designers available online who can create a personalized card for your wedding. There are many Indian websites that cater the needs of NRIs, and also courier the cards to their places.

Varieties of Indian wedding card styles available


There are different Indian community families settled in foreign countries. For example Hindus, Muslim, Christians, Sikhs and many more, and wedding card providers can solve your problem concerned with the Indian wedding invitation designs.

For instance, Hindus prefer Gods images such as that of Ganesha’s or symbols like Swastik and Om. On the other side, Muslims like to have moon and stars in their wedding cards. So, all you have to do is inform your religion to the provider and get the number of samples in front of you. So, have a happy time choosing the Indian wedding cards!