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Items: 1 to 50 of 250

1.

Studying Mass Balance and the Stability of (Z)-Ligustilide from Angelica sinensis Helps to Bridge a Botanical Instability-Bioactivity Chasm.

Duric K, Liu Y, Chen SN, Lankin DC, Nikolic D, McAlpine JB, Friesen JB, Pauli GF.

J Nat Prod. 2019 Sep 27;82(9):2400-2408. doi: 10.1021/acs.jnatprod.8b00962. Epub 2019 Sep 3.

PMID:
31478376
2.

Preparation of DESIGNER extracts of red clover (Trifolium pratense L.) by centrifugal partition chromatography.

Malca Garcia GR, Friesen JB, Liu Y, Nikolić D, Lankin DC, McAlpine JB, Chen SN, Pauli GF.

J Chromatogr A. 2019 May 29. pii: S0021-9673(19)30581-3. doi: 10.1016/j.chroma.2019.05.057. [Epub ahead of print]

PMID:
31307793
3.

Propofol pharmacokinetic model and lean body weight scalar for dose estimation in morbid obesity.

Friesen JHP.

Br J Anaesth. 2019 Aug;123(2):e159-e160. doi: 10.1016/j.bja.2019.04.047. Epub 2019 May 17. No abstract available.

4.

Dynamics of the isoflavone metabolome of traditional preparations of Trifolium pratense L.

Malca-Garcia GR, Zagal D, Graham J, Nikolić D, Friesen JB, Lankin DC, Chen SN, Pauli GF.

J Ethnopharmacol. 2019 Jun 28;238:111865. doi: 10.1016/j.jep.2019.111865. Epub 2019 Apr 11.

PMID:
30981705
5.

Preparation of flavone di-C-glycoside isomers from Jian-Gu injection (Premna fulva Craib.) using recycling counter-current chromatography.

Chen Y, Yan X, Lu F, Jiang X, Friesen JB, Pauli GF, Chen SN, Li DP.

J Chromatogr A. 2019 Aug 16;1599:180-186. doi: 10.1016/j.chroma.2019.03.030. Epub 2019 Mar 21.

PMID:
30961965
6.

Similar size of slums caused by a Turing instability of migration behavior.

Pelz PF, Friesen J, Hartig J.

Phys Rev E. 2019 Feb;99(2-1):022302. doi: 10.1103/PhysRevE.99.022302.

PMID:
30934306
7.

Selective Depletion and Enrichment of Constituents in "Curcumin" and Other Curcuma longa Preparations.

Friesen JB, Liu Y, Chen SN, McAlpine JB, Pauli GF.

J Nat Prod. 2019 Mar 22;82(3):621-630. doi: 10.1021/acs.jnatprod.9b00020. Epub 2019 Mar 8.

8.

Detection of Enterobius vermicularis in greater Berlin, 2007-2017: seasonality and increased frequency of detection.

Friesen J, Bergmann C, Neuber R, Fuhrmann J, Wenzel T, Durst A, Müller M, Ignatius R.

Eur J Clin Microbiol Infect Dis. 2019 Apr;38(4):719-723. doi: 10.1007/s10096-019-03495-1. Epub 2019 Feb 2.

PMID:
30712227
9.

Perceiving happiness in an intergroup context: The role of race and attention to the eyes in differentiating between true and false smiles.

Friesen JP, Kawakami K, Vingilis-Jaremko L, Caprara R, Sidhu DM, Williams A, Hugenberg K, Rodríguez-Bailón R, Cañadas E, Niedenthal P.

J Pers Soc Psychol. 2019 Mar;116(3):375-395. doi: 10.1037/pspa0000139. Epub 2019 Jan 7.

PMID:
30614725
10.

Linear regression analysis of silychristin A, silybin A and silybin B contents in Silybum marianum.

AbouZid SF, Ahmed HS, Abd El Mageed AMA, Moawad AS, Owis AI, Chen SN, Nachtergael A, McAlpine JB, Friesen JB, Pauli GF.

Nat Prod Res. 2018 Nov 29:1-6. doi: 10.1080/14786419.2018.1527838. [Epub ahead of print]

PMID:
30488719
11.

Normalised lean weight and drug doses for obese patients.

Friesen JHP.

Anaesthesia. 2018 Nov;73(11):1444. doi: 10.1111/anae.14463. No abstract available.

PMID:
30298585
12.

System justification: Experimental evidence, its contextual nature, and implications for social change.

Friesen JP, Laurin K, Shepherd S, Gaucher D, Kay AC.

Br J Soc Psychol. 2018 Sep 19. doi: 10.1111/bjso.12278. [Epub ahead of print]

PMID:
30229936
13.

Countercurrent separation assisted identification of two mammalian steroid hormones in Vitex negundo.

Fan Q, Liu Y, Kulakowski D, Chen S, Friesen JB, Pauli GF, Song Q.

J Chromatogr A. 2018 Jun 8;1553:108-115. doi: 10.1016/j.chroma.2018.04.033. Epub 2018 Apr 21.

14.

Pantoprazole pharmacokinetics in obese children: normalized to lean or ideal weight?

Friesen JHP.

J Pediatr. 2018 Jul;198:327. doi: 10.1016/j.jpeds.2018.02.066. Epub 2018 Apr 19. No abstract available.

PMID:
29681449
15.

Analytical and Workflow Evaluation of the ARIES Sample-to-Result Molecular Assay for Clostridium difficile.

Lawson SK, Chung D, Das S, Friesen J, Sefers S, Dunbar S, Schmitz JE.

Ann Clin Lab Sci. 2018 Mar;48(2):168-176.

PMID:
29678843
16.

Evaluation of the Roche LightMix Gastro parasites multiplex PCR assay detecting Giardia duodenalis, Entamoeba histolytica, cryptosporidia, Dientamoeba fragilis, and Blastocystis hominis.

Friesen J, Fuhrmann J, Kietzmann H, Tannich E, Müller M, Ignatius R.

Clin Microbiol Infect. 2018 Dec;24(12):1333-1337. doi: 10.1016/j.cmi.2018.03.025. Epub 2018 Mar 23.

PMID:
29581055
17.

Natural Deep Eutectic Solvents: Properties, Applications, and Perspectives.

Liu Y, Friesen JB, McAlpine JB, Lankin DC, Chen SN, Pauli GF.

J Nat Prod. 2018 Mar 23;81(3):679-690. doi: 10.1021/acs.jnatprod.7b00945. Epub 2018 Mar 7. Review.

18.

The influence of natural deep eutectic solvents on bioactive natural products: studying interactions between a hydrogel model and Schisandra chinensis metabolites.

Liu Y, Zhang Y, Chen SN, Friesen JB, Nikolić D, Choules MP, McAlpine JB, Lankin DC, Gemeinhart RA, Pauli GF.

Fitoterapia. 2018 Jun;127:212-219. doi: 10.1016/j.fitote.2018.02.024. Epub 2018 Feb 21.

19.

People, pollution and pathogens - Global change impacts in mountain freshwater ecosystems.

Schmeller DS, Loyau A, Bao K, Brack W, Chatzinotas A, De Vleeschouwer F, Friesen J, Gandois L, Hansson SV, Haver M, Le Roux G, Shen J, Teisserenc R, Vredenburg VT.

Sci Total Environ. 2018 May 1;622-623:756-763. doi: 10.1016/j.scitotenv.2017.12.006. Epub 2017 Dec 13. Review.

PMID:
29223902
20.

The 9th International Countercurrent Chromatography Conference held at Dominican University, Chicago, USA, August 1-3, 2016.

Friesen JB, McAlpine JB, Chen SN, Pauli GF.

J Chromatogr A. 2017 Oct 20;1520:1-8. doi: 10.1016/j.chroma.2017.08.077. Epub 2017 Sep 19.

PMID:
28939232
21.

Facing the challenge of sustainable bioenergy production: Could halophytes be part of the solution?

Debez A, Belghith I, Friesen J, Montzka C, Elleuche S.

J Biol Eng. 2017 Sep 1;11:27. doi: 10.1186/s13036-017-0069-0. eCollection 2017. Review.

22.

Insights into the phosphatidylcholine and phosphatidylethanolamine biosynthetic pathways in Leishmania parasites and characterization of a choline kinase from Leishmania infantum.

Pulido SA, Nguyen VH, Alzate JF, Cedeño DL, Makurath MA, Ríos-Vásquez A, Duque-Benítez SM, Jones MA, Robledo SM, Friesen JA.

Comp Biochem Physiol B Biochem Mol Biol. 2017 Nov;213:45-54. doi: 10.1016/j.cbpb.2017.07.008. Epub 2017 Jul 25.

PMID:
28754315
23.

Sweet spot matching: A thin-layer chromatography-based countercurrent solvent system selection strategy.

Liu Y, Friesen JB, Grzelak EM, Fan Q, Tang T, Durić K, Jaki BU, McAlpine JB, Franzblau SG, Chen SN, Pauli GF.

J Chromatogr A. 2017 Jun 30;1504:46-54. doi: 10.1016/j.chroma.2017.04.055. Epub 2017 Apr 27.

24.

Propofol induction: normalizing the dose in morbidly obese patients.

Friesen JH.

Can J Anaesth. 2017 May;64(5):456-460. doi: 10.1007/s12630-017-0854-8. Epub 2017 Mar 3. No abstract available.

PMID:
28258555
25.

Environmental and socio-economic methodologies and solutions towards integrated water resources management.

Friesen J, Rodriguez Sinobas L, Foglia L, Ludwig R.

Sci Total Environ. 2017 Mar 1;581-582:906-908. doi: 10.1016/j.scitotenv.2016.12.051. Epub 2016 Dec 15.

PMID:
27989478
26.

An App to Calculate Bedside Stewart Acid-Base Equations.

Friesen JH.

Anesth Analg. 2016 Dec;123(6):1638. No abstract available.

PMID:
27861448
27.

Characterization of cytidylyltransferase enzyme activity through high performance liquid chromatography.

Brault JP, Friesen JA.

Anal Biochem. 2016 Oct 1;510:26-32. doi: 10.1016/j.ab.2016.07.018. Epub 2016 Jul 18.

PMID:
27443959
28.

Silybum marianum pericarp yields enhanced silymarin products.

AbouZid SF, Chen SN, McAlpine JB, Friesen JB, Pauli GF.

Fitoterapia. 2016 Jul;112:136-43. doi: 10.1016/j.fitote.2016.05.012. Epub 2016 May 24.

29.

Dissemination of original NMR data enhances reproducibility and integrity in chemical research.

Bisson J, Simmler C, Chen SN, Friesen JB, Lankin DC, McAlpine JB, Pauli GF.

Nat Prod Rep. 2016 Aug 25;33(9):1028-33. doi: 10.1039/c6np00022c.

30.

Countercurrent assisted quantitative recovery of metabolites from plant-associated natural deep eutectic solvents.

Liu Y, Garzon J, Friesen JB, Zhang Y, McAlpine JB, Lankin DC, Chen SN, Pauli GF.

Fitoterapia. 2016 Jul;112:30-37. doi: 10.1016/j.fitote.2016.04.019. Epub 2016 Apr 23.

31.

Estimating the induction dose of propofol in morbid obesity: striking a happy medium.

Friesen JH.

Br J Anaesth. 2016 May;116(5):730-1. doi: 10.1093/bja/aew075. No abstract available.

32.

Toward Structural Correctness: Aquatolide and the Importance of 1D Proton NMR FID Archiving.

Pauli GF, Niemitz M, Bisson J, Lodewyk MW, Soldi C, Shaw JT, Tantillo DJ, Saya JM, Vos K, Kleinnijenhuis RA, Hiemstra H, Chen SN, McAlpine JB, Lankin DC, Friesen JB.

J Org Chem. 2016 Feb 5;81(3):878-89. doi: 10.1021/acs.joc.5b02456. Epub 2016 Jan 26.

33.

The Generally Useful Estimate of Solvent Systems (GUESS) method enables the rapid purification of methylpyridoxine regioisomers by countercurrent chromatography.

Liu Y, Friesen JB, Klein LL, McAlpine JB, Lankin DC, Pauli GF, Chen SN.

J Chromatogr A. 2015 Dec 24;1426:248-51. doi: 10.1016/j.chroma.2015.11.046. Epub 2015 Nov 17.

34.

Correction to Importance of Purity Evaluation and the Potential of Quantitative (1)H NMR as a Purity Assay.

Pauli GF, Chen SN, Simmler C, Lankin DC, Gödecke T, Jaki BU, Friesen JB, McAlpine JB, Napolitano JG.

J Med Chem. 2015 Nov 25;58(22):9061. doi: 10.1021/acs.jmedchem.5b01667. Epub 2015 Nov 17. No abstract available.

35.

Can Invalid Bioactives Undermine Natural Product-Based Drug Discovery?

Bisson J, McAlpine JB, Friesen JB, Chen SN, Graham J, Pauli GF.

J Med Chem. 2016 Mar 10;59(5):1671-90. doi: 10.1021/acs.jmedchem.5b01009. Epub 2015 Oct 27. Review.

36.

Solvent System Selection Strategies in Countercurrent Separation.

Liu Y, Friesen JB, McAlpine JB, Pauli GF.

Planta Med. 2015 Nov;81(17):1582-91. doi: 10.1055/s-0035-1546246. Epub 2015 Sep 21. Review.

37.

Normalising lean body weight.

Friesen JH.

Anaesthesia. 2015 Sep;70(9):1100. doi: 10.1111/anae.13193. No abstract available.

38.

Countercurrent Separation of Natural Products: An Update.

Friesen JB, McAlpine JB, Chen SN, Pauli GF.

J Nat Prod. 2015 Jul 24;78(7):1765-96. doi: 10.1021/np501065h. Epub 2015 Jul 15. Review.

39.

Real-Time Volumetric Phase Monitoring: Advancing Chemical Analysis by Countercurrent Separation.

Pauli GF, Pro SM, Chadwick LR, Burdick T, Pro L, Friedl W, Novak N, Maltby J, Qiu F, Friesen JB.

Anal Chem. 2015 Jul 21;87(14):7418-25. doi: 10.1021/acs.analchem.5b01613. Epub 2015 Jul 8.

40.

Lean Body Weight Is Not a Weight Scalar for Estimating Drug Doses in Morbid Obesity.

Friesen JH.

Obes Surg. 2015 Aug;25(8):1496-7. doi: 10.1007/s11695-015-1758-8. No abstract available.

PMID:
26068244
41.

A tale of three successful EMS systems. How coordinated "pit crew" procedures have helped improve cardiac arrest resuscitations in the field.

Braithwaite S, Friesen JE, Hadley S, Kohls D, Hinchey PR, Prather M, Karonika M, Myers B, Holland WD 2nd, Eason CM, Carhart J.

JEMS. 2014 Nov;Suppl:28-35. No abstract available.

PMID:
25622469
42.

Qualitative and quantitative evaluation of solvent systems for countercurrent separation.

Friesen JB, Ahmed S, Pauli GF.

J Chromatogr A. 2015 Jan 16;1377:55-63. doi: 10.1016/j.chroma.2014.11.085. Epub 2014 Dec 4.

PMID:
25542704
43.

Survey of pre-clerkship medical students' knowledge and perceptions of anesthesiology at one Canadian university.

Robertson EM, Henschke SJ, Friesen J, Tsui BC.

Can J Anaesth. 2015 May;62(5):550-2. doi: 10.1007/s12630-014-0297-4. Epub 2014 Dec 16. No abstract available.

PMID:
25510237
44.

K-targeted metabolomic analysis extends chemical subtraction to DESIGNER extracts: selective depletion of extracts of hops (Humulus lupulus).

Ramos Alvarenga RF, Friesen JB, Nikolić D, Simmler C, Napolitano JG, van Breemen R, Lankin DC, McAlpine JB, Pauli GF, Chen SN.

J Nat Prod. 2014 Dec 26;77(12):2595-604. doi: 10.1021/np500376g. Epub 2014 Dec 1.

45.

Cardiopulmonary Resuscitation in Resource-limited Health Systems-Considerations for Training and Delivery.

Friesen J, Patterson D, Munjal K.

Prehosp Disaster Med. 2015 Feb;30(1):97-101. doi: 10.1017/S1049023X14001265. Epub 2014 Nov 19. Review.

PMID:
25407562
46.

The psychological advantage of unfalsifiability: the appeal of untestable religious and political ideologies.

Friesen JP, Campbell TH, Kay AC.

J Pers Soc Psychol. 2015 Mar;108(3):515-29. doi: 10.1037/pspp0000018. Epub 2014 Nov 17.

PMID:
25402678
47.

Stable H and O isotope variations reveal sources of recharge in Dhofar, Sultanate of Oman.

Strauch G, Al-Mashaikhi KS, Bawain A, Knöller K, Friesen J, Müller T.

Isotopes Environ Health Stud. 2014;50(4):475-90. doi: 10.1080/10256016.2014.961451. Epub 2014 Oct 9.

PMID:
25299930
48.

Importance of purity evaluation and the potential of quantitative ¹H NMR as a purity assay.

Pauli GF, Chen SN, Simmler C, Lankin DC, Gödecke T, Jaki BU, Friesen JB, McAlpine JB, Napolitano JG.

J Med Chem. 2014 Nov 26;57(22):9220-31. doi: 10.1021/jm500734a. Epub 2014 Oct 8. Review. Erratum in: J Med Chem. 2015 Nov 25;58(22):9061.

49.

Lean-scaled weight can be used to estimate blood volume for obese patients.

Friesen JH.

Can J Anaesth. 2014 Nov;61(11):1059-60. doi: 10.1007/s12630-014-0218-6. Epub 2014 Aug 5. No abstract available.

PMID:
25091297
50.

Orthogonal Analysis Underscores the Relevance of Primary and Secondary Metabolites in Licorice.

Simmler C, Nikolić D, Lankin DC, Yu Y, Friesen JB, van Breemen RB, Lecomte A, Le Quémener C, Audo G, Pauli GF.

J Nat Prod. 2014 Aug 22;77(8):1806-16. doi: 10.1021/np5001945. Epub 2014 Jul 31.

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