Calorimetry

and Pierre-Simon Laplace, to determine the heat evolved in various chemical changes; calculations which were based on Joseph Black’s prior discovery of latent heat. These experiments mark the foundation of thermochemistry. Calorimetry is the science of measuring the heat of chemical reactions or physical changes. Calorimetry involves the use of a calorimeter. The word calorimetry is derived from the Latin word calor, meaning heat. Scottish physician and scientist Joseph Black, who was the first to recognize the distinction between heat and temperature, is said to be the founder of calorimetry. Indirect calorimetry calculates heat that living organisms produce from their production of carbon dioxide and nitrogen waste , OR from their consumption of oxygen. Lavoisier noted in 1780 that heat production can be predicted from oxygen consumption this way, using multiple regression. The Dynamic Energy Budget theory explains why this procedure is correct. Of course, heat generated by living organisms may also be measured by direct calorimetry, in which the entire organism is placed inside the calorimeter for the measurement. (From the Wikpedia article Calorimetry.)

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Recent Publications on Calorimetry:
Ceramide acyl chain length markedly influences miscibility with palmitoyl sphingomyelin in bilayer membranes. Ceramides are precursors of major sphingolipids and can be important...	13th November, 2009	Department of Biochemistry and Pharmacy, Abo Akademi University, Turku,	Eur Biophys J. 2009 Nov 12. DOI Direct Link
Effects of Olanzapine and Haloperidol on the Metabolic Status of Healthy Men. Background: A large body of evidence suggests that antipsychotic drugs...	13th November, 2009	Department of Endocrinology and Metabolism, Leiden University Medical	J Clin Endocrinol Metab. 2009 Nov 11. DOI Direct Link
GTP-dependent structural rearrangement of the eRF1:eRF3 complex and eRF3 sequence motifs essential for PABP binding. Translation termination in eukaryotes is governed by the concerted action...	13th November, 2009	Engelhardt Institute of Molecular Biology, Russian Academy of Sciences,	Nucleic Acids Res. 2009 Nov 11. DOI Direct Link
Preparation and characterization of films based on zirconium sulfophenyl phosphonate and chitosan. Zirconium sulfophenyl phosphonate (ZrSP), Zr(O(3)P-C(6)H(4)SO(3)H)(2), was...	13th November, 2009	College of Chemistry and Chemical Engineering, Southwest University,	Carbohydr Res. 2009 Oct 21. DOI Direct Link
Consequence of excess configurational entropy on fragility: the case of a polymer-oligomer blend. By taking advantage of the molecular weight dependence of the glass...	13th November, 2009	Laboratoire de Chimie Physique, UMR 8000, Batiment 349, Universite,	Phys Rev Lett. 2009 Oct 30;103(18):185702. Epub 2009 Oct 30.
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Press Releases About Calorimetry:
Zeus Webinar - Polymer Characterization: Thermal Analysis	9th September, 2008	Polymathic Analytical Labs	ORANGEBURG, S.C., Sept. 9 /PRNewswire/ -- Polymathic Analytical Labs, a Zeus subsidiary, announces it will present a free webinar entitled, "Polymer Characterization: Thermal Analysis."

Calorimetry Patents:
US Patent No.	Title
7608207	Method for preparing a photochromic polyurethane latex and application to ophthalmic optics
7608708	Monocotyledon plant cells and plants which synthesize modified starch
7608976	Electroactive co-polymer systems and devices using the same
7609379	Detecting laser-induced fluorescence emissions
7610962	Sour gas injection for use with in situ heat treatment
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Companies working in the area of Calorimetry from Bioportfolio's Biocorporate database :
Company Name
Calorimetry Sciences Corp. In 1978 Hart Scientific, Inc. was founded to commercialize instruments which had been developed in academia and make them readily available to research institutions.The company began a very rapid... www.calscorp.com/        View full profile
MicroCal, LLC MicroCal was founded in 1977 with the mission to develop, manufacture and market ultrasensitivecalorimeters. Prior to the formation of MicroCal, commercial calorimeters were extremely difficult to use... www.microcal.eu.com/        View full profile
MicroCal, LLC MicroCal was founded in 1977 with the mission to develop, manufacture and market ultrasensitivecalorimeters. Prior to the formation of MicroCal, commercial calorimeters were extremely difficult to use... www.microcalorimetry.com/        View full profile
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