World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
79
Citations
22469
World Ranking
4316
National Ranking
2101

Research.com Recognitions

  • 1996 - Wolf Prize in Agriculture for his pioneering research in the reproductive biology of livestock.
  • 1993 - The Morrison Award, American Society of Animal Science
  • 1989 - Member of the National Academy of Sciences
  • 1977 - Animal Physiology and Endocrinology Award, American Society of Animal Science

Overview

Neal L. First was affiliated with the University of Wisconsin-Madison in the United States. Their research was primarily situated within the field of Medicine, with a particular focus on Surgery as the largest subfield of study. Their work also extended into Infectious Diseases, Pulmonary and Respiratory Medicine, Public Health, Environmental and Occupational Health, and Transplantation.

The scientist contributed to multiple main topics in medical research, including COVID-19 clinical research studies, SARS-CoV-2 and COVID-19 research, gastrointestinal disorders and treatments, hernia repair and management, organ donation and transplantation, renal transplantation outcomes and treatments, and appendicitis diagnosis and management.

Their recent papers covered diverse clinical and surgical topics. Notable publications included:

  • Which appendicitis scoring system is most suitable for pregnant patients? A comparison of nine different systems, 2020, World Journal of Emergency Surgery
  • Short and mid-term SARS-CoV-2 antibody response after inactivated COVID-19 vaccine in hemodialysis and kidney transplant patients, 2022, Journal of Medical Virology
  • Endoscopic Detorsion Results in Sigmoid Volvulus: Single-Center Experience, 2020, Emergency Medicine International
  • Clinical course of COVID-19 disease in immunosuppressed renal transplant patients, 2020, TURKISH JOURNAL OF MEDICAL SCIENCES
  • Comparison of Balloon Trocar versus Telescopic Dissection Method for TEP Inguinal Hernia Repair, 2021, Journal of College of Physicians And Surgeons Pakistan

Throughout their career, Neal L. First collaborated frequently with several coauthors, including:

  • Fatih Altıntoprak
  • Emrah Akın
  • Hamad Dheir
  • Barış Mantoğlu
  • Fehmi Çelebi

Their research outputs were regularly published in venues such as:

  • Transplantation Proceedings
  • Sakarya Medical Journal
  • Turkish Journal of Trauma and Emergency Surgery
  • Emergency Medicine International
  • The Annals of Clinical and Analytical Medicine

Neal L. First received several awards during their career, including:

  • Wolf Prize in Agriculture, 1996, for pioneering research in the reproductive biology of livestock
  • The Morrison Award, American Society of Animal Science, 1993
  • Member of the National Academy of Sciences, 1989
  • Animal Physiology and Endocrinology Award, American Society of Animal Science, 1977

Best Publications

  • Capacitation of bovine sperm by heparin.

    J J Parrish;J Susko-Parrish;M A Winer;N L First

  • In vitro development of bovine one-cell embryos: Influence of glucose, lactate, pyruvate, amino acids and vitamins

    Y. Takahashi;N.L. First

  • Development of bovine embryos in vitro as affected by energy substrates.

    C F Rosenkrans;G Q Zeng;G T MCNamara;P K Schoff

  • Characterization of bovine follicular oocytes and their ability to mature in vitro.

    L. Leibfried;N. L. First

  • Inhibition of Protein Kinases after an Induced Calcium Transient Causes Transition of Bovine Oocytes to Embryonic Cycles without Meiotic Completion

    J.L. Susko-Parrish;M.L. Leibfried-Rutledge;D.L. Northey;V. Schutzkus

  • Timing of nuclear progression and protein synthesis necessary for meiotic maturation of bovine oocytes.

    M A Sirard;H M Florman;M L Leibfried-Rutledge;F L Barnes

  • The culture of bovine oocytes to obtain developmentally competent embryos.

    M A Sirard;J J Parrish;C B Ware;M L Leibfried-Rutledge

  • Effect of free amino acids and vitamins on cleavage and developmental rate of bovine zygotes in vitro.

    C F Rosenkrans;N L First

  • Development potential of bovine oocytes matured in vitro or in vivo.

    M L Leibfried-Rutledge;E S Critser;W H Eyestone;D L Northey

  • Factors Affecting Successful In Vitro Fertilization of Bovine Follicular Oocytes

    G D Ball;M L Leibfried;R W Lenz;R L Ax

  • Capacitation of bovine sperm by heparin: inhibitory effect of glucose and role of intracellular pH.

    J J Parrish;J L Susko-Parrish;N L First

  • The incidence and possible relevance of Y-linked microdeletions in babies born after intracytoplasmic sperm injection and their infertile fathers

    M.G. Kent-First;S. Kol;A. Muallem;R. Ofir

  • Production of calves by transfer of nuclei from cultured inner cell mass cells.

    Michelle Sims;N. L. First

  • Action of ionophore A23187 at the cellular level. Separation of effects at the plasma and mitochondrial membranes.

    D F Babcock;N L First;H A Lardy

  • Microtubule Organization in the Cow during Fertilization, Polyspermy, Parthenogenesis, and Nuclear Transfer: The Role of the Sperm Aster

    C.S. Navara;N.L. First;G. Schatten

  • Embryonic transcription in in vitro cultured bovine embryos.

    F. L. Barnes;N. L. First

  • Age dependence of bovine oocyte activation.

    C B Ware;F L Barnes;M Maiki-Laurila;N L First

  • Effect of heparin and chondroitin sulfate on the acrosome reaction and fertility of bovine sperm in vitro.

    J.J. Parrish;J.L. Susko-Parrish;N.L. First

  • Chondroitin sulfate facilitates an acrosome reaction in bovine spermatozoa as evidenced by light microscopy, electron microscopy and in vitro fertilization.

    R W Lenz;G D Ball;J K Lohse;N L First

  • The Incidence and Possible Relevance of Y-Linked Microdeletions in Babies Born After Intracytoplasmic Sperm Injection and Their Infertile Fathers

    M.G. Kent-First;S. Kol;A. Muallem;R. Ofir

Frequent Co-Authors

Randall S. Prather
Randall S. Prather University of Missouri
Henry A. Lardy
Henry A. Lardy University of Wisconsin–Madison
Marc-André Sirard
Marc-André Sirard Université Laval
Gerald Schatten
Gerald Schatten University of Pittsburgh
Gerd G. Maul
Gerd G. Maul The Wistar Institute
David L. Garbers
David L. Garbers The University of Texas Southwestern Medical Center
Fuller W. Bazer
Fuller W. Bazer Texas A&M University
Marisa S. Bartolomei
Marisa S. Bartolomei University of Pennsylvania
W.R. Butler
W.R. Butler Cornell University
Robert H. Foote
Robert H. Foote Cornell University

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