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Two-step ion-exchange chromatographic purification combined with reversed-phase chromatography to isolate C-peptide for mass spectrometric analysis.
Published in:
Journal of Separation Science, 2016, v. 39, n. 4, p. 676, doi. 10.1002/jssc.201500989
By:
- Kabytaev, Kuanysh;
- Durairaj, Anita;
- Shin, Dmitriy;
- Rohlfing, Curt L.;
- Connolly, Shawn;
- Little, Randie R.;
- Stoyanov, Alexander V.
Publication type:
Article
Determination of glycated hemoglobin in clinically silent hemoglobin variants.
Published in:
Diabetes/Metabolism Research & Reviews, 2004, v. 20, n. 6, p. 460, doi. 10.1002/dmrr.483
By:
- Schnedl, Wolfgang J.;
- Lahousen, Theresa;
- Lang, Thomas;
- Lipp, Rainer W.;
- Yonehara, Satoshi;
- Fukunaga, Satoshi;
- Imai, Toshihiro;
- Little, Randie R.
Publication type:
Article
Assessing quality from an accuracy-based HbA1c proficiency survey.
Published in:
2016
By:
- Little, Randie R.;
- Rohlfing, Curt L.
Publication type:
Letter to the Editor
Global standardization of glycated hemoglobin measurement: the position of the IFCC Working Group.
Published in:
Clinical Chemistry & Laboratory Medicine, 2007, v. 45, n. 8, p. 1077, doi. 10.1515/CCLM.2007.246
By:
- Mosca, Andrea;
- Goodall, Ian;
- Hoshino, Tadao;
- Jeppsson, Jan O.;
- John, W. Garry;
- Little, Randie R.;
- Miedema, Kor;
- Myers, Gary L.;
- Reinauer, Hans;
- Sacks, David B.;
- Weykamp, Cas W.
Publication type:
Article
Glycated Hemoglobin Standardization -- National Glycohemoglobin Standardization Program (NGSP) Perspective.
Published in:
Clinical Chemistry & Laboratory Medicine, 2003, v. 41, n. 9, p. 1191, doi. 10.1515/CCLM.2003.183
By:
- Little, Randie R.
Publication type:
Article
C‐peptide determination in the diagnosis of type of diabetes and its management: A clinical perspective.
Published in:
Diabetes, Obesity & Metabolism, 2022, v. 24, n. 10, p. 1912, doi. 10.1111/dom.14785
By:
- Maddaloni, Ernesto;
- Bolli, Geremia B.;
- Frier, Brian M.;
- Little, Randie R.;
- Leslie, Richard D.;
- Pozzilli, Paolo;
- Buzzetti, Raffaela
Publication type:
Article
Clinical Application of Glycosylated Hemoglobin Measurements.
Published in:
Diabetes, 1982, v. 31, p. 70, doi. 10.2337/diab.31.3.s70
By:
- Goldstein, David E.;
- Parker, K. Michael;
- England, Jack D.;
- England, Jr., Jack E.;
- Wiedmeyer, Hsiao-Mei;
- Rawlings, Sharon S.;
- Hess, Randall;
- Little, Randie R.;
- Simonds, John F.;
- Breyfogle, Russell P.
Publication type:
Article
Trends in Hyperinsulinemia Among Nondiabetic Adults in the U.S.
Published in:
Diabetes Care, 2006, v. 29, n. 11, p. 2396, doi. 10.2337/dc06-0289
By:
- Chaoyang Li;
- Ford, Earl S.;
- McGuire, Lisa C.;
- Mokdad, Ali H.;
- Little, Randie R.;
- Reaven, Gerald M.
Publication type:
Article
Tests of Glycemia in Diabetes.
Published in:
Diabetes Care, 2004, v. 27, n. 7, p. 1761, doi. 10.2337/diacare.27.7.1761
By:
- Goldstein, David E.;
- Little, Randie R.;
- Lorenz, Rodney A.;
- Malone, John I.;
- Nathan, David;
- Peterson, Charles M.;
- Sacks, David B.
Publication type:
Article
Tests of glycemia in diabetes.
Published in:
2004
By:
- American Diabetes Association;
- Goldstein, David E;
- Little, Randie R;
- Lorenz, Rodney A;
- Malone, John I;
- Nathan, David M;
- Peterson, Charles M
Publication type:
journal article
Tests of glycemia in diabetes.
Published in:
2003
By:
- American Diabetes Association;
- Goldstein, David E;
- Little, Randie R;
- Lorenz, Rodney A;
- Malone, John I;
- Nathan, David M;
- Peterson, Charles M
Publication type:
journal article
Defining the relationship between plasma glucose and HbA(1c): analysis of glucose profiles and HbA(1c) in the Diabetes Control and Complications Trial.
Published in:
2002
By:
- Rohlfing, Curt L.;
- Wiedmeyer, Hsiao-Mei;
- Little, Randie R.;
- England, Jack D.;
- Tennill, Alethea;
- Goldstein, David E.
Publication type:
journal article
Catch-22.
Published in:
2001
By:
- DAVIDSON, MAYER B.;
- ROHLFING, CURT L.;
- LITTLE, RANDIE R.;
- WIEDMEYER, HSIAO-MEI;
- ENGLAND, JACK D.;
- GOLDSTEIN, DAVID E.;
- HERMAN, WILLIAM H.;
- ENGELGAU, MICHAEL M.;
- Davidson, M B
Publication type:
Letter
Use of GHb (HbA1c) to Screen for Undiagnosed Diabetes in the U.S. Population.
Published in:
Diabetes Care, 2000, v. 23, n. 8, p. 1207, doi. 10.2337/diacare.23.8.1207
By:
- HERMAN, WILLIAM H.;
- ENGELGAU, MICHAEL M.;
- YING ZHANG;
- BROWN, MORTON B.;
- ROHLFING, CURT L.;
- LITTLE, RANDIE R.;
- HSIAO-MEI WIEDMEYER;
- ENGLAND, JACK D.;
- GOLDSTEIN, DAVID E.
Publication type:
Article
Laboratory Testing for Microalbuminuria in the General Community.
Published in:
Diabetes Care, 2000, v. 23, n. 7, p. 1028, doi. 10.2337/diacare.23.7.1028
By:
- HARWELL, TODD S.;
- MCDOWALL, JANET M.;
- EYLER, NANCY;
- LITTLE, RANDIE R.;
- HELGERSON, STEVEN D.;
- GOHDES, DOROTHY
Publication type:
Article
Recent Progress in Glycohemoglobin (HbA[sub 1c]) Testing.
Published in:
2000
By:
- Little, Randie R.
Publication type:
Editorial
Use of GHb (HbA[sub 1c]) in Screening for Undiagnosed Diabetes in the U.S. Population.
Published in:
Diabetes Care, 2000, v. 23, n. 2, p. 187, doi. 10.2337/diacare.23.2.187
By:
- Rohlfing, Curt L.;
- Little, Randie R.;
- Wiedmeyer, Hsiao-Mei;
- England, Jack D.;
- Madsen, Richard;
- Harris, Maureen I.;
- Flegal, Katherine M.;
- Eberhardt, Mark S.;
- Goldstein, David E.
Publication type:
Article
Prevalence of Diabetes, Impaired Fasting Glucose, and Impaired Glucose Tolerance in U.S. Adults.
Published in:
Diabetes Care, 1998, v. 21, n. 4, p. 518, doi. 10.2337/diacare.21.4.518
By:
- Harris, Maureen I.;
- Flegal, Katherine M.;
- Cowie, Catherine C.;
- Eberhardt, Mark S.;
- Goldstein, David E.;
- Little, Randie R.;
- Wiedmeyer, Hsiao-Mei;
- Byrd-Holt, Danita D.
Publication type:
Article
Rapid HbA1c Testing in a Community Setting.
Published in:
Diabetes Care, 1996, v. 19, n. 7, p. 764, doi. 10.2337/diacare.19.7.764
By:
- Carter, Janette S.;
- Houston, Caron A.;
- Gililland, Susan S.;
- Perez, Georgia E.;
- Owen, Charles L.;
- Pathak, Dorothy R.;
- Little, Randie R.
Publication type:
Article
Comparisons of studies on diabetic complications hampered by differences in GHb measurements.
Published in:
1996
By:
- Kullberg, Carin E.;
- Bergström, Anders;
- Dinesen, Bo;
- Larsson, Lasse;
- Little, Randie R.;
- Goldstein, David E.;
- Arnqvist, Hans J.;
- Kullberg, C E;
- Bergström, A;
- Dinesen, B;
- Larsson, L;
- Little, R R;
- Goldstein, D E;
- Arnqvist, H J
Publication type:
journal article
Tests of Glycemia in Diabetes.
Published in:
Diabetes Care, 1995, v. 18, n. 6, p. 896, doi. 10.2337/diacare.18.6.896
By:
- Goldstein, David E.;
- Little, Randie R.;
- Lorenz, Rodney A.;
- Malone, John I.;
- Nathan, David;
- Peterson, Charles M.
Publication type:
Article
More than you ever wanted to know (but need to know) about glycohemoglobin testing.
Published in:
1994
By:
- Goldstein, David E.;
- Little, Randie R.;
- Goldstein, D E;
- Little, R R
Publication type:
journal article
Response From Authors.
Published in:
Diabetes Care, 1993, v. 16, n. 5, p. 856, doi. 10.2337/diacare.16.5.856
By:
- LITTLE, RANDIE R.;
- GOLDSTEIN, DAVID E.
Publication type:
Article
Filter paper/affinity chromatography vs. venipuncture/HbA1 ion-exchange chromatography.
Published in:
1991
By:
- Little, Randie R.;
- Goldstein, David E.;
- Slemenda, Charles W.;
- Fineberg, E. Edwin;
- Marrero, David G.;
- Abourizk, Nicolas N.;
- Calles-Escandon, Jorge;
- Dunn, Jonathan C.;
- Sims, Ethan A. H.;
- Little, R R;
- Goldstein, D E
Publication type:
Letter
Lack of relationship between glucose tolerance and complications of pregnancy in nondiabetic women.
Published in:
1990
By:
- Little, Randie R.;
- McKenzie, Edith M.;
- Shyken, Jaye M.;
- Winkelmann, Susan E.;
- Ramsey, Linda M.;
- Madsen, Richard W.;
- Goldstein, David E.;
- Little, R R;
- McKenzie, E M;
- Shyken, J M;
- Winkelmann, S E;
- Ramsey, L M;
- Madsen, R W;
- Goldstein, D E
Publication type:
journal article
Reassessment of GHb measurement from blood dried on filter paper.
Published in:
1988
By:
- Little, Randie R.;
- Goldstein, David E.;
- Saudek, Christopher D.;
- Little, R R;
- Goldstein, D E
Publication type:
Letter
Commentary on Abnormal Hb A1c Result from a Diabetic Patient Leads to Unexpected Diagnosis.
Published in:
Clinical Chemistry, 2023, v. 69, n. 7, p. 687, doi. 10.1093/clinchem/hvad071
By:
- Little, Randie R.
Publication type:
Article
The National Glycohemoglobin Standardization Program: Over 20 Years of Improving Hemoglobin A1c Measurement.
Published in:
Clinical Chemistry, 2019, v. 65, n. 7, p. 839, doi. 10.1373/clinchem.2018.296962
By:
- Little, Randie R.;
- Rohlfing, Curt;
- Sacks, David B.
Publication type:
Article
Implementing a Reference Measurement System for C-Peptide: An Addendum.
Published in:
Clinical Chemistry, 2017, v. 63, n. 12, p. 1904, doi. 10.1373/clinchem.2017.281170
By:
- Little, Randie R.;
- Kinumi, Tomoya;
- Connolly, Shawn;
- Kabytaev, Kuanysh
Publication type:
Article
Prevalence of Rare Hemoglobin Variants Identified During Measurements of Hb A1c by Capillary Electrophoresis.
Published in:
Clinical Chemistry, 2017, v. 63, n. 12, p. 1901, doi. 10.1373/clinchem.2017.276857
By:
- Strickland, Sydney W.;
- Campbell, Sean T.;
- Little, Randie R.;
- Bruns, David E.;
- Bazydlo, Lindsay A. L.
Publication type:
Article
Implementing a Reference Measurement System for C-Peptide: Successes and Lessons Learned.
Published in:
Clinical Chemistry, 2017, v. 63, n. 9, p. 1447, doi. 10.1373/clinchem.2016.269274
By:
- Little, Randie R.;
- Wielgosz, Robert I.;
- Josephs, Ralf;
- Tomoya Kinumi;
- Akiko Takatsu;
- Hongmei Li;
- Stein, Daniel;
- Burns, Chris
Publication type:
Article
Validation of the Use of Trinity Biotech ultra2 as a Comparative Method for Hemoglobin A1c Measurements in the Presence of HbE and HbD-Punjab Traits.
Published in:
Clinical Chemistry, 2017, v. 63, n. 2, p. 608, doi. 10.1373/clinchem.2016.266221
By:
- Rohlfing, Curt;
- Connolly, Shawn;
- Hanson, Steven;
- Higgins, Trefor;
- Little, Randie R.
Publication type:
Article
Investigation of 2 Models to Set and Evaluate Quality Targets for Hb A1c: Biological Variation and Sigma-Metrics.
Published in:
Clinical Chemistry, 2015, v. 61, n. 5, p. 752, doi. 10.1373/clinchem.2014.235333
By:
- Weykamp, Cas;
- John, Garry;
- Gillery, Philippe;
- English, Emma;
- Linong Ji;
- Lenters-Westra, Erna;
- Little, Randie R.;
- Roglic, Gojka;
- Sacks, David B.;
- Izumi Takei
Publication type:
Article
Performance of Hemoglobin A1c Assay Methods: Good Enough?
Published in:
Clinical Chemistry, 2014, v. 60, n. 8, p. 1031, doi. 10.1373/clinchem.2014.225789
By:
- Little, Randie R.
Publication type:
Article
Point-of-Care Assays for Hemoglobin A1c: Is Performance Adequate?
Published in:
Clinical Chemistry, 2011, v. 57, n. 9, p. 1333, doi. 10.1373/clinchem.2011.165019
By:
- Little, Randie R.;
- Lenters-Westra, Erna;
- Rohlfing, Curt L.;
- Slingerland, Robbert
Publication type:
Article
Status of Hemoglobin A1c Measurement and Goals for Improvement: From Chaos to Order for Improving Diabetes Care.
Published in:
2011
By:
- Little, Randie R.;
- Rohlfing, Curt L.;
- Sacks, David B.
Publication type:
Book Review
Commentary.
Published in:
Clinical Chemistry, 2011, v. 57, n. 2, p. 156, doi. 10.1373/clinchem.2010.157610
By:
- Little, Randie R.
Publication type:
Article
Measurement of Hemoglobin A1c in Patients With Sickle Cell Trait.
Published in:
2017
By:
- Rohlfing, Curt;
- Hanson, Steven;
- Little, Randie R.
Publication type:
Letter
Analytical goals for HbA.
Published in:
Journal of Diabetes, 2011, v. 3, n. 1, p. 3, doi. 10.1111/j.1753-0407.2010.00109.x
By:
- Little, Randie R.;
- Rohlfing, Curt L.
Publication type:
Article
Relationship of glycosylated hemoglobin to oral glucose tolerance. Implications for diabetes screening.
Published in:
1988
By:
- Little, Randie R.;
- England, Jack D.;
- Weidmeyer, Hsiao-mei;
- McKenzie, Edith M.;
- Pettitt, David J.;
- Knowler, William C.;
- Goldstein, David E.;
- Little, R R;
- England, J D;
- Wiedmeyer, H M;
- McKenzie, E M;
- Pettitt, D J;
- Knowler, W C;
- Goldstein, D E
Publication type:
journal article
When is HbA1c useful and what do the numbers mean – do they help or hinder?
Published in:
British Journal of Diabetes, 2023, v. 23, n. 2, p. 105, doi. 10.15277/bjd.2023.417
By:
- MANLEY, SUSAN E.;
- MOSTAFA, SAMIUL;
- WEBBER, JONATHAN;
- GANAPATHY, KAVITHA D.;
- TAYLOR, ROY;
- LITTLE, RANDIE R.;
- RAGHAVAN, RAJEEV P.;
- WEBSTER, CRAIG;
- BARRATT, ALISON;
- ROUND, RACHEL A.;
- STRATTON, IRENE M.;
- KARWATH, ANDREAS;
- WILLIAMS, JOHN A.;
- GKOUTOS, GEORGIOS V.;
- ROBERTS, GRAHAM A.;
- GHOSH, SANDIP
Publication type:
Article
BEYOND HBAlC: Assessing the Utility of Fructosamine and Glycated Albumin Measurement.
Published in:
Clinical Laboratory News, 2016, v. 42, n. 8, p. 14
By:
- LITTLE, RANDIE R.
Publication type:
Article
Point-of-Care HbA1c in Clinical Practice: Caveats and Considerations for Optimal Use.
Published in:
Diabetes Care, 2024, v. 47, n. 7, p. 1104, doi. 10.2337/dci23-0040
By:
- Sacks, David B.;
- Kirkman, M. Sue;
- Little, Randie R.
Publication type:
Article
Continuous Glucose Monitoring and Use of Alternative Markers To Assess Glycemia in Chronic Kidney Disease.
Published in:
2020
By:
- Zelnick, Leila R.;
- Batacchi, Zona O.;
- Ahmad, Iram;
- Dighe, Ashveena;
- Little, Randie R.;
- Trence, Dace L.;
- Hirsch, Irl B.;
- de Boer, Ian H.
Publication type:
journal article
Comment on Lewis et al. Management of Hemoglobin Variants Detected Incidentally in HbA1c Testing: A Common Problem Currently Lacking a Standard Approach. Diabetes Care 2017;40:e8-e9.
Published in:
2017
By:
- Little, Randie R.;
- Rohlfing, Curt L.
Publication type:
Letter
Trends in A1C Concentrations Among U.S. Adults Diagnosed Diabetes From 1999 to 2004.
Published in:
Diabetes Care, 2008, v. 31, n. 1, p. 102, doi. 10.2337/dc07-0565
By:
- Ford, Earl S.;
- Li, Chaoyang;
- Little, Randie R.;
- Mokdad, Ali H.
Publication type:
Article
Isotope dilution assay in peptide quantification: The challenge of microheterogeneity of internal standard.
Published in:
Proteomics - Clinical Applications, 2013, v. 7, n. 11/12, p. 825, doi. 10.1002/prca.201200130
By:
- Stoyanov, Alexander V.;
- Rogatsky, Eduard;
- Stein, Daniel;
- Connolly, Shawn;
- Rohlfing, Curt L.;
- Little, Randie R.
Publication type:
Article
750-P: Afinion HbA1c Dx Point-of-Care Test Is Accurate to Diagnose Diabetes in CLIA-Waived Settings.
Published in:
Diabetes, 2021, v. 70, p. N.PAG, doi. 10.2337/db21-750-P
By:
- CLENDENIN, MARTA;
- KUPFER, KENNETH;
- FORTNER, KYLE S.;
- LITTLE, RANDIE R.;
- BAILEY, TIMOTHY S.;
- CASTORINO, KRISTIN N.;
- DENHAM, DOUGLAS S.;
- KERWIN, EDWARD;
- MICKIEWICZ, MARC;
- NATION, AMY J.;
- SAN GEORGE, RICHARD C.
Publication type:
Article

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