Recent comments in /f/science

Goliatheos OP t1_jaea4va wrote

Reply to comment by Goliatheos in New quantum state boosts material's conductivity by a billion percent by Goliatheos

Several examples of elements and molecules that have been studied for their spin alignment properties in the presence of a strong electromagnetic field to optimize electron flow are graphene, a two-dimensional sheet of carbon atoms arranged in a hexagonal lattice. Graphene has unique electronic properties due to its high surface area, high electron mobility, and the ability to form spin-polarized states under certain conditions.

Another example is nitrogen-vacancy (NV) centers in diamond. NV centers consist of a substitutional nitrogen atom adjacent to a lattice vacancy in a diamond crystal. They exhibit long-lived spin states that can be manipulated by applying a magnetic field or microwave radiation, making them promising candidates for applications in quantum computing and sensing.

Additionally, organic molecules like porphyrins and phthalocyanines have been studied for their spin alignment properties.

Besides iron, cobalt, and nickel, there are several other elements that can exhibit strong spin alignment and be useful for improving electron flow in electronic devices. Some examples include:

Neodymium (Nd): This rare earth element has strong magnetic properties and is commonly used in high-performance magnets, such as those used in computer hard drives.

Samarium (Sm): Another rare earth element with strong magnetic properties, samarium is often used in high-strength magnets and magnetic storage media.

Dysprosium (Dy): This rare earth element has very high magnetic strength and is often used in high-performance magnets for applications such as electric motors and wind turbines.

Gadolinium (Gd): This rare earth element is often used in magnetic refrigeration systems and as a contrast agent in magnetic resonance imaging (MRI) due to its strong magnetic properties.

Platinum (Pt): While not as strongly magnetic as some of the other elements on this list, platinum can exhibit spin alignment and is often used in electronic devices such as hard disk drives and fuel cells.

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Goliatheos OP t1_jae83di wrote

Reply to comment by [deleted] in New quantum state boosts material's conductivity by a billion percent by Goliatheos

>alignment of the spins of the electrons in the material

The alignment of spins of electrons is an important factor in determining the electrical properties of a material. In general, materials with unpaired electrons and partially filled d or f electron shells tend to have strong magnetic properties and are more likely to exhibit spin alignment.

Ferromagnetic materials, such as iron, cobalt, and nickel, have strong spin alignment and are ideal for improving electron flow in electronic devices such as hard drives, transformers, and generators. In these materials, the unpaired electrons are aligned in the same direction, which results in a net magnetic moment and a strong attraction between neighboring atoms. This alignment of spins creates a pathway for electrons to flow more easily through the material, making it more conductive.

Other materials that can exhibit spin alignment and improve electron flow include ferrimagnetic materials (such as ferrites), antiferromagnetic materials, and certain types of semiconductors (such as diluted magnetic semiconductors).

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RamboGoesMeow t1_jae67zi wrote

Reply to comment by MrKahnberg in An anti-seizure medication shows promise in reducing the likelihood of heavy drinking, desire to drink, and positive alcohol expectancies, according to new research by chrisdh79

Yes, I went through medical detox, and am on a 6 week course through my health insurance provider. I have about 2 hours of video meetings Mon-Fri, and attend 3 outside meetings a week. So far so good, I’m 14 days sober today, and I’m doing my best to stay sober.

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mrbrambles t1_jae5ctj wrote

Reply to comment by Suthek in Researchers have developed a new device that can detect and analyse cancer cells from blood samples, enabling doctors to avoid invasive biopsy surgeries, and to monitor treatment progress by giuliomagnifico

Metastasis is, theoretically, when circulating cells embed in new areas. If you already have a secondary metastasis, it’s too late. This could potentially be a way to better determine if a cancerous tumor is still isolated to one location, or if it’s starting to shed cells that will eventually become detectably large and embedded metastatic secondary tumors.

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mrbrambles t1_jae4wb3 wrote

Reply to comment by Jrj84105 in Researchers have developed a new device that can detect and analyse cancer cells from blood samples, enabling doctors to avoid invasive biopsy surgeries, and to monitor treatment progress by giuliomagnifico

How do the metastatic cells travel to other sites in the body to metastasize? Blood or lymph systems. Sentinel lymph nodes and blood are ways to possibly monitor the shedding of metastatic cells, but won’t tell you where the end up. A cancer that isn’t shedding metastatic cells is much more treatable than one that is pumping cells into the circulatory system.

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mrbrambles t1_jae4eqo wrote

Reply to comment by Velghast in Researchers have developed a new device that can detect and analyse cancer cells from blood samples, enabling doctors to avoid invasive biopsy surgeries, and to monitor treatment progress by giuliomagnifico

Eh, it would if the oil constantly bathed every piece of the mechanics like blood does. Blood is the delivery system for payloads around the body. Cancer is going to metastasize either through the blood system or the lymph system (which dumps into the blood system).

Basically it’s more like setting up a DUI checkpoint to capture drunk drivers. Not going to catch them all, but if you set them up in the right places at the right time you’ll find some and learn you have a problem.

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