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Alkylation definition: The covalent bonding of an alkyl group to an organic compound. It can occur by a simple addition reaction or by substitution of another functional group.
alkylation definition: substitution of an alkyl group for an active hydrogen atom in an organic compound.
Alkylation definition: Alkylating Activity in biological systems is typically a process of covalent bonding in which a chemical substance replaces hydrogen atom(s) in biologically active molecules with alkyl radical(s), hindering proper function. DNA alkylation results in strand cross-linking and can inhibit DNA replication.
Electron Transport definition: The process by which ELECTRONS are transported from a reduced substrate to molecular OXYGEN. (From Bennington, Saunders Dictionary and Encyclopedia of Laboratory Medicine and Technology, 1984, p270)
electron transport definition: process by which electrons are transferred from a reduced substrate to molecular oxygen.
Embryo Transfer definition: The transfer of mammalian embryos from an in vivo or in vitro environment to a suitable host to improve pregnancy or gestational outcome in human or animal. In human fertility treatment programs, preimplantation embryos ranging from the 4-cell stage to the blastocyst stage are transferred to the uterine cavity between 3-5 days after FERTILIZATION IN VITRO.
Embryo Transfer definition: Refers to a step in the process of in vitro fertilization (IVF) whereby one or several embryos are removed from an embryo culture and placed into the uterus of the female with the intent to establish a pregnancy.
Energy Transfer definition: The transfer of energy of a given form among different scales of motion. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed). It includes the transfer of kinetic energy and the transfer of chemical energy. The transfer of chemical energy from one molecule to another depends on proximity of molecules so it is often used as in techniques to measure distance such as the use of FORSTER RESONANCE ENERGY TRANSFER.
Glycogen Debranching Enzyme System definition: 1,4-alpha-D-Glucan-1,4-alpha-D-glucan 4-alpha-D-glucosyltransferase/dextrin 6 alpha-D-glucanohydrolase. An enzyme system having both 4-alpha-glucanotransferase (EC and amylo-1,6-glucosidase (EC activities. As a transferase it transfers a segment of a 1,4-alpha-D-glucan to a new 4-position in an acceptor, which may be glucose or another 1,4-alpha-D-glucan. As a glucosidase it catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. Amylo-1,6-glucosidase activity is deficient in glycogen storage disease type III.
Patient Transfer definition: Interfacility or intrahospital transfer of patients. Intrahospital transfer is usually to obtain a specific kind of care and interfacility transfer is usually for economic reasons as well as type of care provided.
RNA, Transfer definition: The small RNA molecules, 73-80 nucleotides long, that function during translation (TRANSLATION, GENETIC) to align AMINO ACIDS at the RIBOSOMES in a sequence determined by the mRNA (RNA, MESSENGER). There are about 30 different transfer RNAs. Each recognizes a specific CODON set on the mRNA through its own ANTICODON and as aminoacyl tRNAs (RNA, TRANSFER, AMINO ACYL), each carries a specific amino acid to the ribosome to add to the elongating peptide chains.
transfer RNA definition: small ribonucleic acid molecules 73 to 93 nucleotides long, occurring in cells in about 30 varieties and functioning in translation; each variety carries a specific amino acid to a site specified by an RNA codon, binding to amino acid, ribosome, and to the codon via an anticodon region; all have numerous modified bases and extensive secondary structure.
Transfer RNA definition: A class of RNA having structures with triplet nucleotide sequences that are complementary to the triplet nucleotide coding sequences of mRNA. The role of tRNAs in protein synthesis is to bond with amino acids and transfer them to the ribosomes, where proteins are assembled according to the genetic code carried by mRNA. (BioTech Life Science Dictionary)
Tendon Transfer definition: Surgical procedure by which a tendon is incised at its insertion and placed at an anatomical site distant from the original insertion. The tendon remains attached at the point of origin and takes over the function of a muscle inactivated by trauma or disease.
Transfer (Psychology) definition: Change in learning in one situation due to prior learning in another situation. The transfer can be positive (with second learning improved by first) or negative (where the reverse holds).
learning transfer definition: change in learning in one situation due to prior learning in another situation; proficiency acquired in a branch of knowledge or skill helps in the acquisition of knowledge or skill in another field; transfer can be positive (with second learning improved by first) or negative (where the reverse holds).
Transfer Agreement definition: A written agreement for the transfer of patients and their medical records from one health care institution to another.
Transfer Factor definition: Factor derived from leukocyte lysates of immune donors which can transfer both local and systemic cellular immunity to nonimmune recipients.
Nerve Transfer definition: Surgical reinnervation of a denervated peripheral target using a healthy donor nerve and/or its proximal stump. The direct connection is usually made to a healthy postlesional distal portion of a non-functioning nerve or implanted directly into denervated muscle or insensitive skin. Nerve sprouts will grow from the transferred nerve into the denervated elements and establish contact between them and the neurons that formerly controlled another area.
Needles, Medication Transfer definition: Needles designed to transfer medication from vials in hospital pharmacies. These devices are short, blunt needles (typically 1.6 cm [5/8 inch]), long enough to penetrate the vial stoppers but short enough to remove all medication. They are usually of 20 gauge to provide high flow rate with minimum coring.
Stretchers, Mobile, Hospital, Patient Transfer definition: Mobile hospital stretchers designed for atraumatic movement of patients by hospital personnel without changing the patients body position or lifting, rolling, or dragging them. These stretchers include a patient-transfer mechanism (e.g., mechanical, hydraulic) easy to operate by an attendant with minimal physical effort. Patient-transfer hospital stretchers are used to reduce injuries to both patients and staff while transferring nonambulatory, comatose, or neurologically injured patients between beds, tables, stretchers, or during other intrahospital patient transportation.
Transfer Care definition: Actions performed to assist in moving from one place to another.
Technology Transfer definition: Spread and adoption of inventions and techniques from one geographic area to another, from one discipline to another, or from one sector of the economy to another. For example, improvements in medical equipment may be transferred from industrial countries to developing countries, advances arising from aerospace engineering may be applied to equipment for persons with disabilities, and innovations in science arising from government research are made available to private enterprise.
Technology Transfer definition: The process of converting scientific findings from research laboratories into useful products by the commercial sector.
Adoptive Transfer definition: Form of passive immunization where previously sensitized immunologic agents (cells or serum) are transferred to non-immune recipients. When transfer of cells is used as a therapy for the treatment of neoplasms, it is called adoptive immunotherapy (IMMUNOTHERAPY, ADOPTIVE).
interhemispheric transfer definition: transfer of information between cerebral hemispheres.
placental transfer definition: blood-borne transfer of antibodies, nutrients, viruses, toxins, etc., from mother to fetus.
Nuclear Transfer Techniques definition: Methods of implanting a CELL NUCLEUS from a donor cell into an enucleated acceptor cell. Often the nucleus of a somatic cell is transferred into a recipient OVUM or stem cell (STEM CELLS) with the nucleus removed. This technology may provide means to generate autologous diploid pluripotent cell for therapeutic cloning, and a model for studying NUCLEAR REPROGRAMMING in embryonic stem cells. Nuclear transfer was first accomplished with frog eggs (RANA PIPIENS) and reported in 1952.
nuclear transfer definition: transfer of a single donor nucleus to an enucleated cell; e.g., to an unfertilized egg in somatic cell animal cloning.
Nuclear Transfer definition: Transfer of a nucleus from one cell to another.
Blastocyst Transfer definition: The delayed transfer of embryos at the blastocyst stage provides a means to eliminate unhealthy embryos that do not develop normally. The selection and transfer of superior blastocysts reduces the need for multiple-embryo transfer and the risks of high-order multiple gestation.
AID, TRANSFER definition: A daily activity assist device is a modified adaptor or utensil (e.g., a dressing, grooming, recreational activity, transfer, eating, or homemaking aid) that is intended for medical purposes to assist a patient to perform a specific function.
phosphatidylinositol transporter activity definition: Enables the directed movement of phosphatidylinositol into, out of, within or between cells. Phosphatidylinositol refers to any glycophospholipids with its sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol. [GOC:ai, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
genetic transfer definition: In the absence of a sexual life cycle, the process involved in the introduction of genetic information to create a genetically different individual. [GOC:clt]
Chromosome Transfer definition: The technique whereby chromosomes are exchanged among cells.
Gene Transfer definition: Incorporation of new DNA into an organism's cells, usually by a vector such as a modified virus. Used in gene therapy.(From Human Genome Project Information).
Transfer definition: Transfer of ownership for a product.
Transfer definition: The act of moving something from one location to another.
Delivery definition: The act of conveying or transporting from one place to another.
respiratory electron transport chain definition: A process whereby a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient. [GOC:mtg_electron_transport, http://cancerweb.ncl.ac.uk/]
money transfer definition: [1] Bankwesen: die Überweisung, die Geldüberweisung, die Geldübermittlung [2] Finanzmarkt: der Geldverkehr
transfer definition: Transfert.
transfer definition: Virement (bancaire, financier).
transfer definition: Transférer.
transfer definition: Transporter, reporter.
transfer definition: Virer. (argent)
transfer definition: Remuer.
übertragen definition: [1] etwas weitergeben, weiterleiten [2] ein Wort für einen anderen Gegenstand verwenden (kommt praktisch nur als Partizip II vor)
Übertragung definition: [1] Sendung, Übermittlung [2] Übersetzung in eine andere Sprache [3] Recht: Übergang von Rechten oder Pflichten [4] Übergabe von Infektionskrankheiten [5] Gynäkologie/ Geburtshilfe: Schwangerschaftsdauer, die 42 Wochen überschreitet
verlegen definition: [1] eine Sache aus der Hand gegeben haben und nicht wieder finden [2] einen Bodenbelag (Dielen, Parkett, Laminat) aufbringen [3] von einem Zeitpunkt auf einen anderen verschieben [4] von einem Ort zu einem anderen bewegen [5] ein Buch veröffentlichen [6] reflexiv, mit Konjunktion auf: sich zu einer bestimmten Haltung entscheiden, sich mit etwas beschäftigen
Tandemschach definition: [1] Schachvariante, bei zwei Paare von Spielern an zwei Brettern gegeneinander spielen mit der Besonderheit, dass geschlagene Figuren dem Partner zur Verfügung gestellt werden, der diese auf seinem Brett (statt einen normalen Zug auszuführen) einsetzen darf
überweisen definition: [1] einen Geldbetrag von einem Konto auf ein anderes Konto übertragen, einem anderen Konto gutschreiben [2] einen Patienten mit einem entsprechenden Formular (Überweisungsschein) zu einem anderen Arzt schicken [3] eine Akte, einen Antrag oder Ähnliches einer anderen Person oder Stelle zur Bearbeitung übergeben
Transfer definition: [1] Übertragung, Austausch, Vermittlung [2] Wirtschaft: Zahlung eines Geldbetrags in Fremdwährung ins Ausland [3] Sport: Verkauf eines Berufssportlers eines Vereins an einen anderen [4] Tourismus: Transport von Reisenden vom Ankunftsort zur Unterkunft
transfert definition: Action de transférer. Le passage de quelque chose d’un lieu à un autre.
transfert definition: L’acte par lequel on déclare transporter à un autre la propriété d’une rente sur l’état, d’une valeur, d’une marchandise.
transfert definition: Dans un système cellulaire de radiocommunication avec les téléphones mobiles, commutation des moyens de transmission utilisés par une communication sans interruption de cette dernière.
virement definition: Action de virer.
virement definition:
virement definition: Transport d’une somme d’un compte à un autre, d’un chapitre de budget à un autre.