Germanium Compounds

Germanium - Element information, properties and uses ...

Germanium has no known biological role. The element is non-toxic. Certain germanium compounds have low toxicity in mammals, while being effective against some bacteria. This has led some scientists to study their potential use in pharmaceuticals.

Germanium compounds - Nederlandse, Centrale Organisatie ...

Feb 26, 1985· The invention relates to germanium compounds, to a process for the preparation thereof, to a process for the preparation of a medicine using such a germanium compound for the treatment of cancer, as well as to the shaped medicine thus formed and obtained.

Germanium & Compounds of, Dioxide | Materials Handbook

Find suppliers of Germanium and Compounds of, Dioxide serving the ceramic, glass, brick, decorating and related markets in the ceramic manufactruing industry. This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may ...

Germanium: Uses, Side Effects, Interactions, Dosage, and ...

Germanium is LIKELY UNSAFE when taken by mouth in elemental form and in the form of certain compounds such as germanium oxide and germanium lactate-citrate. There have been more than 30 …

Germanium - Wikipedia

Germanium is not thought to be an essential element for any living organism. Some complex organic germanium compounds are being investigated as possible pharmaceuticals, though none have yet proven successful. Similar to silicon and aluminium, natural germanium compounds tend to be insoluble in water and thus have little oral toxicity.

It's Elemental - The Element Germanium

Both germanium and germanium oxide (GeO) are transparent to infrared radiation and are used in infrared optical instruments and infrared detectors. Some germanium compounds seem to be effective in killing some types of bacteria and are currently being studied for use in chemotherapy. Estimated Crustal Abundance: 1.5 milligrams per kilogram

Organogermanium compound - Wikipedia

Organogermanium compounds are organometallic compounds containing a carbon to germanium or hydrogen to germanium chemical bond. Organogermanium chemistry is the corresponding chemical science. Germanium shares group 14 in the periodic table with silicon, tin and lead, and not surprisingly the chemistry of organogermanium is in between that of organosilicon compounds and organotin compounds.

Metalloid compounds as drugs - PubMed Central (PMC)

The six elements commonly known as metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium. Metalloid containing compounds have been used as antiprotozoal drugs. Boron-based drugs, the benzoxaboroles have been exploited as potential treatments for neglected tropical diseases ...

Germanium Compounds Containing Ge═E Double Bonds (E = S ...

Synopsis. Six germanium chalcogenide complexes such as E = Ge(dmamp) 2 and E = Ge(dmampS) 2 were newly synthesized and their molecular structures of complexes from X-ray single crystallography showed distorted trigonal bipyramidal geometry at the germanium centers. Germanium chalcogenide materials (GeSe and GeTe) were obtained from the thermal decomposition of new complexes in …

Metalloid compounds as drugs - PubMed Central (PMC)

Ge compounds were tested as chemotherapeutics agents but no germanium compound has yet demonstrated a pharmaceutical use, as either an antibacterial or cancer chemotherapeutic agent. Propagermanium or organic germanium or beta-carboxyethylgermanium sesquioxide are used with complementary medicines and are helpful in boosting the immune system ...

germanium | Properties, Uses, & Facts | Britannica.com

Germanium compounds in which germanium is in the +2 oxidation state are well characterized as solids, and in general they are readily oxidized. Elemental germanium can be electrodeposited from many solutions and melts of its compounds. It is of interest that as little as one milligram of dissolved germanium per litre seriously interferes with ...

Germanium compounds, tetrachloride, and oxide by Indium ...

Our germanium compounds include germanium tetrachloride (GeCl 4) and germanium oxide (germanium dioxide, GeO 2).We supply both materials at high purities. The optical fiber and semiconductor industries are the main users of these compounds.

Germanium & Compounds - ahpmat.com

Germanium & Compounds. A lustrous silver-white metalloid similar to tin or silicon, germanium (Ge) and its compounds were relatively late discoveries in chemistry. It went on to become the sole ingredient of early semi-conductor electronics. Today, germanium and its compounds primary commercial applications lay in optical systems and ...

Germanium and Germanium Compounds - Adams - - Major ...

Germanium has also found widespread use in the fields of γ‐ray spectroscopy, catalysis, fiber optics, and photovoltaic cells. Germanium usually occurs widely dispersed in minerals. Most germanium production has been from zinc smelters and copper smelters. Germanium also occurs in significant concentrations in many coals around the world.

Is Germanium a Miracle Cure? - Healthline

Organic germanium is a man-made blend of germanium, carbon, hydrogen, and oxygen. Common names include germanium-132 (Ge-132) and germanium sesquioxide. Inorganic germanium is generally considered ...

(PDF) Applications of Germanium Compounds - ResearchGate

PDF | Germanium compounds have emerged as critically important materials in the fabrication of microelectronics, optics and sensors. Potential new applications in organic transformations and ...

Advances in Effect of Germanium or Germanium …

3.5. Other Germanium Compounds In additional to the above-mentioned germanium compounds, some other new germanium compounds with biological functions have been synthesized and ap-plied in ide spectrum of fieldsa w . For instance, -dimethylaminophenylgerp - manium sesquioxide (Ge-162) has the effect of inhibiting the growth of the tu-mor [34].

Germanium | Encyclopedia.com

Germanium is also used to make specialized glass for military applications. For example, it is used to make weapons-sighting systems that can be used in the dark. Satellite systems and fire alarm systems may also contain glass that contains germanium. Compounds. Few germanium compounds have any important commercial uses.

Germanium - The Source Natural Foods

Note: This monograph reviews the therapeutic benefit of organic germanium compounds, specifically spirogermanium and carboxyethyl germanium sesquioxide. Inorganic germanium compounds (germanium dioxide, germanium citrate lactate, and elemental germanium) are potentially toxic and should not be confused with organic germanium.

Germanium dioxide | GeO2 - PubChem

In recent years inorganic germanium salts and novel organogermanium compounds, such as carboxyethyl germanium sesquioxide and lactate-citrate-germanate (Ge lactate citrate) have been sold as nutritional supplements in some countries for their purported immunomodulatory effects or as health producing elixirs, resulting in intakes of germanium ...

Germanium - an overview | ScienceDirect Topics

P. RivièreM. Rivière-BaudetJ. Satgé, in Comprehensive Organometallic Chemistry, 1982 10.1.1.1.(v) From hydrogermanes Germanium –carbon bonded derivatives are also accessible through hydrogermylation reactions of unsaturated compounds, as described in Section 10.3.These reactions constitute a general and convenient method for the preparation of alkyl and functional substituted …

Germanium: properties of compounds - webelements.com

The bond energy in the gaseous diatomic species GeGe is 263.6 ±7.1 kJ mol-1.. Germanium: bond enthalpies in gaseous diatomic species. The following values refer to neutral heterodiatomic molecules in the gas phase. These numbers may well differ considerably from, say, single bond energies in a solid.

Propagermanium | Cam-Cancer

Germanium compounds have been popular as nutritional supplement since the 70ies 9-10. K. Asai, a Japanese scientist, first advertised beneficial effects on health in general and on the course of a multiplicity of illnesses, amongst others cancer 2.

Germanium Facts (Atomic Number 32 or Ge) - ThoughtCo

Organic germanium compounds have a relatively low toxicity to mammals, but are lethal to certain bacteria, giving these compounds potential medical importance. Sources: Germanium may be separated from metals by fractional distillation of volatile germanium tetrachloride, which is then hydrolyzed to yield GeO 2 .

US20040197945A1 - Germanium compounds - Google Patents

Germanium compounds suitable for use as vapor phase deposition precursors for germanium films are provided. Methods of depositing films containing germanium using such compounds are also provided. Such germanium films are particularly useful in the manufacture of electronic devices.

Germanium and Germanium Compounds - Thomas - - Major ...

Jul 15, 2011· Only germanium metal and germanium dioxide are commercially quoted and would be suitable for trading on a quasi‐commodity basis. The toxicity of germanium compounds is generally of low order.The markets for germanium are infrared optics, …

Germanium compounds and alloys from Indium Corporation

In addition to refined germanium, Indium Corporation sells germanium compounds, such as germanium tetrachloride and germanium oxide. Please contact us for more information about germanium metals and compounds. Germanium Videos. Process Capability: Cpk and Cpu in Relation to Purity of Compounds from Indium Corporation.

Germanium Compounds - an overview | ScienceDirect Topics

Direct synthesis of di- and tetravalent germanium compounds is possible. 1 Thus germanium metal–solvent slurries provide a reactive surface for organic halides (BrCCl 3, CCl 4, CHCl 3, MeI, EtI, etc.) giving organogermanium halides in low yields. 73 Thermally generated germanium atoms also react with organic halides by insertion into carbon–halogen bonds.

Germanium, Chemical Element - reaction, water, uses ...

Germanium is not thought to be essential to the health of plants or animals. Some of its compounds present a hazard to human health, however. For example, germanium chloride and germanium fluoride (GeF 4 ) are a liquid and gas, respectively, that can be very irritating to the eyes, skin, lungs, and throat.

Germanium Compounds | Gelest, Inc.

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Germanium | Ge - PubChem

The mechanism for germanium induced nephrotoxicity remains unknown, although the suspected cause is the inorganic germanium salts, such as germanium dioxide. Sufficient evidence for a role of organogermanium compounds, such as carboxyethyl germanium sesquioxide or citrate-lactate germanate, In germanium induced nephrotoxicity remains lacking ...

Common Compounds of Germanium Ge -- EndMemo

List of Germanium Compounds, Common Compounds of Germanium Ge, Formula, Molecular Weight

Applications of Germanium Compounds - Gelest, Inc.

Applications of Germanium Compounds Andrew E. Wille and Barry Arkles Gelest Inc. Germanium compounds have emerged as critically important materials in the fabrication of microelectronics, optics and sensors. Potential new applications in organic transformations and …

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