Vitamin Ds: Metabolites and Analogs

[1]  A. Kutner,et al.  Convergent synthesis, chiral HPLC, and vitamin D receptor affinity of analogs of 1,25-dihydroxycholecalciferol. , 1999, Chirality.

[2]  M. Sheng,et al.  Simultaneous determination of fat-soluble vitamins A, D and E and pro-vitamin D2 in animal feeds by one-step extraction and high-performance liquid chromatography analysis. , 1998, Journal of chromatography. A.

[3]  H. DeLuca,et al.  Current understanding of the molecular actions of vitamin D. , 1998, Physiological reviews.

[4]  K. Kumaki,et al.  In vivo metabolism off the vitamin D analog, 22-oxacalcitriol: Evidence for side-chain truncation and 17-hydroxylation , 1998, The Journal of Steroid Biochemistry and Molecular Biology.

[5]  K. Kumaki,et al.  Determination of 22-oxacalcitriol, a new analog of 1alpha,25-dihydroxyvitamin D3, in human serum by liquid chromatography-mass spectrometry. , 1998, Journal of chromatography. B, Biomedical sciences and applications.

[6]  S. Kato,et al.  Inactivating mutations in the 25-hydroxyvitamin D3 1alpha-hydroxylase gene in patients with pseudovitamin D-deficiency rickets. , 1998, The New England journal of medicine.

[7]  M. Haussler,et al.  The Nuclear Vitamin D Receptor: Biological and Molecular Regulatory Properties Revealed , 1998, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

[8]  K. Kumaki,et al.  Characteristics of mass spectrometric analyses coupled to gas chromatography and liquid chromatography for 22-oxacalcitriol, a vitamin D3 analog, and related compounds. , 1997, Journal of chromatography. B, Biomedical sciences and applications.

[9]  T. Bergman,et al.  Cloning, structure, and expression of a cDNA encoding vitamin D3 25-hydroxylase. , 1997, Biochemical and biophysical research communications.

[10]  W. Miller,et al.  Complete Structure of the Human Gene for the Vitamin D 1α-Hydroxylase, P450c1α , 1997 .

[11]  W. Fraser,et al.  Measurement of Plasma 1,25 Dihydroxyvitamin D Using a Novel Immunoextraction Technique and Immunoassay with Iodine Labelled Vitamin D Tracer , 1997, Annals of clinical biochemistry.

[12]  H. DeLuca,et al.  Molecular Cloning of cDNA and Genomic DNA for Human 25-hydroxyvitamin D31α-hydroxylase , 1997 .

[13]  F. Glorieux,et al.  The 25‐Hydroxyvitamin D 1‐Alpha‐Hydroxylase Gene Maps to the Pseudovitamin D‐Deficiency Rickets (PDDR) Disease Locus , 1997, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

[14]  Y. Kamezawa,et al.  In vitro glucuronidation of 25-hydroxyvitamin D3 and its pro-form. , 1997, Biological & pharmaceutical bulletin.

[15]  T. Kobayashi,et al.  A novel high-performance liquid chromatographic assay for vitamin D metabolites using a coulometric electrochemical detector. , 1997, Journal of pharmaceutical and biomedical analysis.

[16]  S. Yamada,et al.  In vivo metabolism of 24R,25-dihydroxyvitamin D3: structure of its major bile metabolite. , 1997, Biochimica et biophysica acta.

[17]  S. Yamada,et al.  Multiple Fluorometric Assay of Three Major Vitamin D_3 Metabolites (25-Hydroxyvitamin D_3, 24,25-Dihydroxyvitamin D_3 and 1,25-Dihydroxy vitamin D_3) in Plasma and Its Application to Clinical Studies , 1997 .

[18]  S. Yamada,et al.  Fluorimetric assay of 1α,25-dihydroxyvitamin D3 in human plasma , 1997 .

[19]  K. Shimada,et al.  Characterization of monoglucuronides of vitamin D2 and 25-hydroxyvitamin D2 in rat bile using high-performance liquid chromatography-atmospheric pressure chemical ionization mass spectrometry. , 1997, Journal of Chromatography B: Biomedical Sciences and Applications.

[20]  K. Shimada,et al.  Determination of 25-hydroxyvitamin D3 in human plasma by reversed-phase high-performance liquid chromatography with ultraviolet detection. , 1997, Journal of chromatography. B, Biomedical sciences and applications.

[21]  R. Edom,et al.  An electron-capture dienophile derivatization agent for increasing sensitivity: determination of a vitamin D analog (Ro 24-2090) in plasma samples with liquid chromatography/mass spectrometry. , 1996, Analytical biochemistry.

[22]  H. DeLuca,et al.  Human 25-hydroxyvitamin D3-24-hydroxylase, a multicatalytic enzyme. , 1996, Biochemistry.

[23]  Kyoko Saito,et al.  Separation and Characterization of Monoglucuronides of Vitamin D3 and 25-Hydroxyvitamin D3 in Rat Bile by High-Performance Liquid Chromatography , 1996 .

[24]  R. Kremer,et al.  In Vitro Metabolism of the Vitamin D Analog, 22-Oxacalcitriol, Using Cultured Osteosarcoma, Hepatoma, and Keratinocyte Cell Lines (*) , 1996, The Journal of Biological Chemistry.

[25]  Sliva Mg,et al.  Vitamin D in infant formula and enteral products by liquid chromatography: collaborative study. , 1996 .

[26]  S. Yamada,et al.  Determination of 25-hydroxyvitamin D3 in human plasma using a non-radioactive tetranorvitamin D analogue as an internal standard. , 1995, Journal of chromatography. B, Biomedical applications.

[27]  E. Axén,et al.  Effects on CYP27 mRNA Expression in Rat Kidney and Liver by 1α,25-Dihydroxyvitamin D3, a Suppressor of Renal 25-Hydroxyvitamin D3 1α-Hydroxylase Activity , 1995 .

[28]  N. Kobayashi,et al.  Tandem immunoaffinity chromatography for plasma 1α,25-dihydroxyvitamin D3 utilizing two antibodies having different specificities: A novel and powerful pretreatment tool for 1α,25-dihydroxyvitamin D3 radioreceptor assays , 1995, The Journal of Steroid Biochemistry and Molecular Biology.

[29]  K. Shimada,et al.  Quantitative determination of 25-hydroxyvitamin D3 3-sulphate in human plasma using high performance liquid chromatography. , 1995, Biomedical chromatography : BMC.

[30]  R. Moriarty,et al.  1 alpha,24(S)-dihydroxyvitamin D2: a biologically active product of 1 alpha-hydroxyvitamin D2 made in the human hepatoma, Hep3B. , 1995, The Biochemical journal.

[31]  P. Vouros,et al.  Characterization of the metabolic pathway of 1,25-dihydroxy-16-ene vitamin D3 in rat kidney by on-line high performance liquid chromatography-electrospray tandem mass spectrometry. , 1995, Biochemical pharmacology.

[32]  J. Hernández-Méndez,et al.  Directly coupled sample treatment-high-performance liquid chromatography for on-line automatic determination of liposoluble vitamins in milk. , 1995, Journal of chromatography. A.

[33]  H. Makin,et al.  Mass fragmentographic assay for 25-hydroxyvitamin D in plasma without derivatization: Enhanced sensitivity for metabolites of vitamins D2 and D3 after pre-column dehydration , 1995 .

[34]  M. Noshiro,et al.  Further oxidation of hydroxycalcidiol by calcidiol 24-hydroxylase. A study with the mature enzyme expressed in Escherichia coli. , 1994, European journal of biochemistry.

[35]  S. Yamada,et al.  Gas chromatography/mass spectrometric analysis of 24R,25-dihydroxyvitamin D3 using 24R,25-dihydroxy[6,19,19-2H]vitamin D3 as internal standard , 1994, Steroids.

[36]  A. Norman,et al.  Profile of ligand specificity of the vitamin D binding protein for 1α,25‐dihydroxyvitamin d3 and its analogs , 1994, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

[37]  A. Hagar,et al.  Reversed-phase liquid chromatographic determination of vitamin D in milk. , 1994, Journal of AOAC International.

[38]  M. Morita,et al.  Retention behavior of conjugated metabolites of vitamin D and related compounds in high-performance liquid chromatography. , 1994, Journal of chromatographic science.

[39]  A. Yoshitake,et al.  Quantitative determination of F6-1,25(OH)2 vitamin D3 in human serum by gas chromatography/mass spectrometry with high-resolution selected ion monitoring. , 1994, Biological mass spectrometry.

[40]  M. Iglesias,et al.  Determination of Vitamin D3 and 25-Hydroxyvitamin D3 Using Liquid Chromatography with Amperometric Detection , 1993 .

[41]  P. Poon,et al.  Gas chromatographic-mass fragmentographic determination of serum 1α,25 dihydroxyvitamin D3 , 1993 .

[42]  M. Honing,et al.  On-line post-column Diels-Alder derivatization for the determination of vitamin D3 and its metabolites by liquid chromatography/thermospray mass spectrometry. , 1993, Biological mass spectrometry.

[43]  G. Jones,et al.  Transfected human liver cytochrome P-450 hydroxylates vitamin D analogs at different side-chain positions. , 1993, Proceedings of the National Academy of Sciences of the United States of America.

[44]  Stephen R. Wilson,et al.  Electrospray ionization mass spectrometry of vitamin D derivatives , 1993 .

[45]  I. L. Honigberg,et al.  Normal Phase HPLC with EC Detection: 1,25-Dihydroxy Vitamin D3 and 25-Hydroxy-16-ene-23-yne Vitamin D3 , 1993 .

[46]  S. Yamada,et al.  Fluorescence-labeling reaction of vitamin D metabolites and analogs with fluorescent 1,2,4-triazoline-3,5-dione (DMEQ-TAD) , 1993 .

[47]  J. T. Tanner,et al.  Analysis of milk-based infant formula. Phase IV. Iodide, linoleic acid, and vitamins D and K: U.S. Food and Drug Administration-Infant Formula Council: collaborative study. , 1993, Journal of AOAC International.

[48]  P. Vouros,et al.  Characterization of vitamin D3 metabolites using continuous-flow fast atom bombardment tandem mass spectrometry and high-performance liquid chromatography. , 1993, Journal of chromatography.

[49]  M. Tsutsumi,et al.  Enzyme immunoassay for plasma 25-hydroxyvitamin D3 employing immunoaffinity chromatography as a pretreatment method , 1993, The Journal of Steroid Biochemistry and Molecular Biology.

[50]  M. Holick,et al.  Quantification and kinetics of 25-hydroxyvitamin D3 by isotope dilution liquid chromatography/thermospray mass spectrometry. , 1993, Biological mass spectrometry.

[51]  D. Gazit,et al.  Osteoporosis and increased bone fractures in cerebrotendinous xanthomatosis. , 1993, Metabolism: clinical and experimental.

[52]  J. H. Méndez,et al.  High-performance liquid chromatography with electrochemical detection for the simultaneous determination of vitamin A, D3 and E in milk. , 1992 .

[53]  T. Aso,et al.  Fluorometric assay of 25-hydroxyvitamin D3 and 24R,25-dihydroxyvitamin D3 in plasma. , 1992, Analytical biochemistry.

[54]  K. Shimada,et al.  Sensitive and stable Cookson-type reagent for derivatization of conjugated dienes for high-performance liquid chromatography with fluorescence detection , 1992 .

[55]  J. Hart,et al.  Voltammetric behaviour of vitamins D2 and D3 at a glassy carbon electrode and their determination in pharmaceutical products by using liquid chromatography with amperometric detection , 1992 .

[56]  Glenville Jones,et al.  7 – VITAMIN D , 1992 .

[57]  D. Watson,et al.  Analysis of vitamin D and its metabolites using thermospray liquid chromatography/mass spectrometry. , 1991, Biomedical chromatography : BMC.

[58]  T. Sugahara,et al.  Determination of vitamin D2 in shiitake mushroom (lentinus edodes) by high-performance liquid chromatography , 1991 .

[59]  S. Yamada,et al.  Synthesis of a reagent for fluorescence-labeling of vitamin D and its use in assaying vitamin D metabolites. , 1991, Analytical biochemistry.

[60]  M. Noshiro,et al.  Cloning and expression of cDNA encoding 25‐hydroxyvitamin D3 24‐hydroxylase , 1991, FEBS Letters.

[61]  T. Oe,et al.  Cookson-type reagents: highly sensitive derivatization reagents for conjugated dienes in high-performance liquid chromatography , 1991 .

[62]  T. Sugahara,et al.  Identification of vitamin D2 by thermospray-interface mass spectrometry , 1991 .

[63]  H. Makin,et al.  Gas chromatography-mass spectrometry in the investigation of on-column dehydration of steroid hormones during gas-liquid chromatography. , 1991, Journal of pharmaceutical and biomedical analysis.

[64]  P. H. Jordan,et al.  Determination of 25-hydroxyvitamin D3 in human serum by fluorescence labelling and high-performance liquid chromatography. , 1991, The Analyst.

[65]  M. J. Varley,et al.  Stable isotope-labeled vitamin D, metabolites and chemical analogs: synthesis and use in mass spectrometric studies , 1990, Steroids.

[66]  E. Lewis,et al.  Absence of glomerular injury or nephron loss in a normotensive rat remnant kidney model. , 1990, Kidney international.

[67]  H. Tenenhouse,et al.  Expression of 25-hydroxyvitamin D3-24-hydroxylase activity in Caco-2 cells. An in vitro model of intestinal vitamin D catabolism. , 1990, Endocrinology.

[68]  J. Cunningham,et al.  Plasma 24,25‐dihydroxyvitamin D3 concentrations in x‐linked hypophosphatemic mice: Studies using mass fragmentographic and radioreceptor assays , 1990, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

[69]  C. Paterson,et al.  Determination of 7-dehydrocholesterol in human skin by high-performance liquid chromatography. , 1990, Journal of chromatography.

[70]  R. Ray,et al.  Target cell metabolism of 1,25-dihydroxyvitamin D3 to calcitroic acid. Evidence for a pathway in kidney and bone involving 24-oxidation. , 1989, The Biochemical journal.

[71]  M. J. Varley,et al.  Measurement of 25-hydroxyvitamin D2, 25-hydroxyvitamin D3, 24,25-dihydroxyvitamin D2 and 25,26-dihydroxyvitamin D2 in a single plasma sample by mass fragmentography. , 1989, Clinica chimica acta; international journal of clinical chemistry.

[72]  Reddy Gs,et al.  Calcitroic acid, end product of renal metabolism of 1,25-dihydroxyvitamin D3 through the C-24 oxidation pathway , 1989 .

[73]  J. Cunningham,et al.  Isolation and identification of seven metabolites of 25-hydroxydihydrotachysterol3 formed in the isolated perfused rat kidney: a model for the study of side-chain metabolism of vitamin D. , 1988, Biochemistry.

[74]  J. Falch,et al.  Validation of a radioreceptor assay for 1,25-dihydroxyvitamin D using selected ion monitoring GC-MS. , 1988, Clinica chimica acta; international journal of clinical chemistry.

[75]  M. Uskoković,et al.  Triply convergent synthesis of 1.alpha.,25-dihydroxy-24(R)-fluorocholecalciferol , 1988 .

[76]  H. Makin,et al.  Recent developments in the measurement of vitamin D and its metabolites in human body fluids. , 1987, Journal of steroid biochemistry.

[77]  I. Björkhem,et al.  Three commercial kits and one liquid-chromatographic method evaluated for determining 25-hydroxyvitamin D3 in serum. , 1987, Clinical chemistry.

[78]  V. Palda,et al.  Side-chain hydroxylation of vitamin D3 and its physiological implications , 1987, Steroids.

[79]  I. Björkhem,et al.  High circulating levels of 25-hydroxyvitamin D3 in renal stone formers with hyperabsorptive hypercalciuria. , 1986, Scandinavian journal of clinical and laboratory investigation.

[80]  D. Baran,et al.  1,25 Dihydroxyvitamin D increases hepatocyte cytosolic calcium levels. A potential regulator of vitamin D-25-hydroxylase. , 1986, The Journal of clinical investigation.

[81]  I. Björkhem,et al.  Studies on the relationship between vitamin D3 status and urinary excretion of calcium in healthy subjects: effects of increased levels of 25-hydroxyvitamin D3. , 1986, Scandinavian journal of clinical and laboratory investigation.

[82]  J. Adams,et al.  Characterization of 1 alpha-hydroxylation of vitamin D3 sterols by cultured alveolar macrophages from patients with sarcoidosis , 1985, The Journal of experimental medicine.

[83]  M. J. Varley,et al.  Specific mass fragmentographic assay for 25,26-dihydroxyvitamin D in human plasma using a deuterated internal standard. , 1985, Journal of chromatography.

[84]  B. Hollis,et al.  Solid phase extraction system for vitamin D and its major metabolites in human plasma. , 1985, Journal of chromatography.

[85]  S. Yamada,et al.  Identification of 24,25,26,27-tetranor-23-hydroxyvitamin D3 as a product of the renal metabolism of 24,25-dihydroxyvitamin D3. , 1984, Biochemistry.

[86]  M. J. Varley,et al.  Specific estimation of 24,25-dihydroxyvitamin D in plasma by gas chromatography-mass spectrometry. , 1984, Clinical chemistry.

[87]  A. Norman,et al.  Isolation and identification of 1 alpha,25-dihydroxy-24-oxovitamin D3, 1 alpha,25-dihydroxyvitamin D3 26,23-lactone, and 1 alpha,24(S),25-trihydroxyvitamin D3: in vivo metabolites of 1 alpha,25-dihydroxyvitamin D3. , 1984, Biochemistry.

[88]  R. Horst,et al.  A microassay for 1,25-dihydroxyvitamin D not requiring high performance liquid chromatography: application to clinical studies. , 1984, The Journal of clinical endocrinology and metabolism.

[89]  J. C. Netelenbos,et al.  Measurement of vitamin D metabolites in anephric subjects. , 1984, Nephron.

[90]  A. Norman,et al.  Vitamin D: metabolism and biological actions. , 1984, Annual review of nutrition.

[91]  S. Gaskell,et al.  Immunoadsorption to improve gas chromatography/high-resolution mass spectrometry of estradiol-17 beta in plasma. , 1983, Clinical chemistry.

[92]  T. K. Gray,et al.  Radioimmunoassay for 1,25-dihydroxycholecalciferol. , 1980, Clinical chemistry.

[93]  L. Orci,et al.  The vitamin D endocrine system: steroid metabolism, hormone receptors, and biological response (calcium binding proteins). , 1982, Endocrine reviews.

[94]  H. Makin,et al.  A rapid and simple method for the measurement of plasma 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 using Sep-Pak C18 cartridges and a single high-performance liquid Chromatographie step , 1982 .

[95]  D. Anderson,et al.  A simple method for the isolation of vitamin D metabolites from plasma extracts , 1982, Steroids.

[96]  J. Adams,et al.  Silica Sep-Pak preparative chromatography for vitamin D and its metabolites. , 1981, Journal of chromatography.

[97]  R. Horst,et al.  Quantitation of vitamin D and its metabolites and their plasma concentrations in five species of animals. , 1981, Analytical biochemistry.

[98]  K. Savolainen,et al.  An improved method for routine determination of vitamin D and its hydroxylated metabolites in serum from children and adults. , 1981, Clinica chimica acta; international journal of clinical chemistry.

[99]  H. Adlercreutz,et al.  Assay for plasma 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 by "high-performance" liquid chromatography. , 1981, Clinical chemistry.

[100]  J. C. Netelenbos,et al.  Analysis for 1,25-dihydroxyvitamin D in human plasma, after a liquid-chromatographic purification procedure, with a modified competitive protein-binding assay. , 1981, Clinical chemistry.

[101]  H. Makin,et al.  The estimation of vitamin D and its metabolites in human plasma. , 1981, Journal of steroid biochemistry.

[102]  H. Makin,et al.  High-performance liquid chromatography of vitamin D: enhanced ultraviolet absorbance by prior conversion to isotachysterol derivatives. , 1980, Journal of chromatography.

[103]  H. Makin,et al.  The estimation of vitamin D and some metabolites in human plasma by mass fragmentography. , 1980, Clinica chimica acta; international journal of clinical chemistry.

[104]  N. Ikekawa,et al.  Synthesis of 26,26,26,27,27,27-hexafluoro-25-hydroxyvitamin D3 , 1980 .

[105]  H. Makin,et al.  A new procedure for the formation of isotachysterol derivatives of subnanomole quantities of ergocalciferol, cholecalciferol and its metabolites prior to gas liquid chromatography. , 1980, Journal of steroid biochemistry.

[106]  F. Glorieux,et al.  A simplified assay for serum 25-hydroxycalciferol. , 1980, Clinical biochemistry.

[107]  J. Halket,et al.  Gas chromatographic-mass spectrometric properties of boronate esters of 24R,25-dihydroxycholecalciferol , 1980 .

[108]  H. DeLuca,et al.  Isolation and characterization of 1 alpha-hydroxy-23-carboxytetranorvitamin D: a major metabolite of 1,25-dihydroxyvitamin D3. , 1979, Biochemistry.

[109]  J. I. Pedersen,et al.  Assay of 1,25-dihydroxy vitamin D3 by isotope dilution--mass fragmentography. , 1979, Clinical chemistry.

[110]  D. Rabinovich,et al.  Isolation and identification of 24,25-dihydroxy vitamin D2 by use of the perfused rat kidney , 1979 .

[111]  M. Ohmori,et al.  Synthesis of 24,24-difluoro-25-hydroxyvitamin D3 , 1979 .

[112]  A. Ornoy,et al.  24, 25-Dihydroxyvitamin D is a metabolite of vitamin D essential for bone formation , 1978, Nature.

[113]  I. Björkhem,et al.  A specific assay of vitamin D-3 in human serum. , 1978, Clinica chimica acta; international journal of clinical chemistry.

[114]  H. DeLuca,et al.  Direct C-1 hydroxylation of vitamin D compounds: convenient preparation of 1alpha-hydroxyvitamin D3, 1alpha, 25-dihydroxyvitamin D3, and 1alpha-hydroxyvitamin D2. , 1978, Proceedings of the National Academy of Sciences of the United States of America.

[115]  B. Pelc,et al.  Thermal transformation of cholecalciferol between 100–170°C , 1978, Steroids.

[116]  H. Rasmussen,et al.  Vitamin D and bone , 1978 .

[117]  Yoshiko Suzuki,et al.  25‐hydroxylation of 1α‐hydroxyvitamin D3 in vivo and in perfused rat liver , 1976, FEBS letters.

[118]  I. Holmberg,et al.  A novel specific assay of 25-hydroxy vitamin D. , 1976, Clinica chimica acta; international journal of clinical chemistry.

[119]  N. Ikekawa,et al.  Separation of vitamin D3 metabolites and their analogues by high-pressure liquid chromatography , 1976 .

[120]  R. Seamark,et al.  Steroid t-butyldimethylsilyl ethers as derivatives for mass fragmentography , 1975, Steroids.

[121]  I. Macintyre,et al.  Separation of hydroxylated derivatives of vitamin D3 by high speed liquid chromatography (HSLC) , 1974, FEBS letters.

[122]  H. DeLuca,et al.  A rapid assay for 25-OH-vitamin D3 without preparative chromatography. , 1974, The Journal of clinical endocrinology and metabolism.

[123]  H. DeLuca,et al.  25-Hydroxyvitamin D3-24-hydroxylase. Subcellular location and properties. , 1974, Biochemistry.

[124]  D. Sklan,et al.  Determination of 25-hydroxycholecalciferol by combined thin layer and gas chromatography. , 1973, Analytical biochemistry.

[125]  H. DeLuca,et al.  Pathogenesis of Hereditary Vitamin-D-Dependent Rickets , 1973 .

[126]  E. Rizzardo,et al.  A convenient synthesis of 1 -hydroxy-vitamin D 3 . , 1973, Journal of the American Chemical Society.

[127]  M. Haussler,et al.  Vitamin D 3 -25-hydroxylase: tissue occurrence and apparent lack of regulation. , 1973, Archives of biochemistry and biophysics.

[128]  H. DeLuca,et al.  Isolation and identification of 24,25-dihydroxycholecalciferol, a metabolite of vitamin D made in the kidney. , 1972, Biochemistry.

[129]  Brooks Cj,et al.  Comparison of corticosteroid derivatives by gas chromatography-mass spectrometry. , 1972 .

[130]  B. Middleditch,et al.  The mass spectrometer as a gaschromatographic detector. , 1971, Clinica chimica acta; international journal of clinical chemistry.

[131]  H. DeLuca,et al.  Competitive binding assay for vitamin D and 25-OH vitamin D. , 1971, The Journal of clinical endocrinology and metabolism.

[132]  H. DeLuca,et al.  Isolation and identification of 1,25-dihydroxycholecalciferol. A metabolite of vitamin D active in intestine. , 1971, Biochemistry.

[133]  D. Harvey,et al.  Comparative gas chromatographic studies ot corticosteroid boronates , 1971 .

[134]  H. DeLuca,et al.  25,26-dihydroxycholecalciferol, a metabolite of vitamin D3 with intestinal calcium transport activity. , 1970, Biochemistry.

[135]  D. Fraser,et al.  Unique Biosynthesis by Kidney of a Biologically Active Vitamin D Metabolite , 1970, Nature.

[136]  P. Nair,et al.  Stereochemical studies on the microquantitative detection of vitamin D by gas-liquid chromatography. , 1968, Archives of biochemistry and biophysics.

[137]  H. DeLuca,et al.  25-hydroxycholecalciferol. A biologically active metabolite of vitamin D3. , 1968, Biochemistry.

[138]  C. Bucana,et al.  GAS CHROMATOGRAPHIC STUDIES OF VITAMINS D 2 AND D 3. , 1965, Analytical chemistry.

[139]  E. Horning,et al.  GAS CHROMATOGRAPHIC BEHAVIOR OF VITAMINS D2 AND D3 , 1960 .

[140]  W. J. Dyer,et al.  A rapid method of total lipid extraction and purification. , 1959, Canadian journal of biochemistry and physiology.

[141]  H. M. Bruce,et al.  The Distillation of Vitamin D. , 1930 .