1. Progress of Strontium Isotope Analysis for Geological and Geochemical Substances

   • Motohiro Tsuboi

   Highlights 11 May 2021 Pages: 643 - 644

2. Adsorption Performances of an Acid-stable 2D Covalent Organic Framework towards Palladium(II) in Simulated High-level Liquid Waste

   • Hao Wu
   • Seong-Yun Kim

   Rapid Communications 09 April 2021 Pages: 645 - 647

3. “Analytical Biomaterials”

   Guest Editorial 11 May 2021 Pages: 649 - 649

4. Effective Separation for New Therapeutic Modalities Utilizing Temperature-responsive Chromatography

   • Yutaro Maekawa
   • Eri Ayano
   • Hideko Kanazawa

   Reviews 29 January 2021 Pages: 651 - 660

5. Quantum Dots as Biosensors in the Determination of Biochemical Parameters in Xenobiotic Exposure and Toxins

   • Poorvisha Ravi
   • Muthupandian Ganesan

   Reviews 25 December 2020 Pages: 661 - 671

6. Fabrication of Biosensing Interface with Monolayers

   • Mutsuo Tanaka
   • Osamu Niwa

   Reviews 25 December 2020 Pages: 673 - 682

7. Substrate-supported Model Membrane as a Versatile Analytical/Biosensing Platform

   • Kenichi Morigaki

   Reviews 15 January 2021 Pages: 683 - 689

8. Recent Progress of Near-Infrared Fluorescence in vivo Bioimaging in the Second and Third Biological Window

   • Masao Kamimura

   Reviews 15 January 2021 Pages: 691 - 697

9. Transcription Factors as Evolvable Biosensors

   • Daisuke Umeno
   • Yuki Kimura
   • Shigeko Kawai-Noma

   Reviews 22 January 2021 Pages: 699 - 703

10. Selection of Ovalbumin-specific Binding Peptides through Instant Translation in Ribosome Display Using E. coli Extract

    • Shin-Woong Kim
    • Akiko Yumoto
    • Takanori Uzawa

    Original Paper 22 January 2021 Pages: 707 - 712

11. Affinity Diversification of a Polymer Probe for Pattern-recognition-based Biosensing Using Chemical Additives

    • Hiroki Okada
    • Masahiro Mimura
    • Ryoji Kurita

    Original Paper 29 January 2021 Pages: 713 - 719

12. Effect of Spacer Length in Pyrene-Modified-Phenylboronic Acid Probe/CyD Complexes on Fluorescence-based Recognition of Monosaccharides in Aqueous Solution

    • Yuji Tsuchido
    • Shohei Kojima
    • Takashi Hayashita

    Original Paper 15 January 2021 Pages: 721 - 726

13. Bead-based Padlock Rolling Circle Amplification under Molecular Crowding Conditions: The Effects of Crowder Charge and Size

    • Naoki Sasaki
    • Chikako Kase
    • Kae Sato

    Original Paper 22 January 2021 Pages: 727 - 732

14. Protein Engineering of the Soluble Metal-dependent Formate Dehydrogenase from Escherichia coli

    • Rintaro Fuji
    • Koji Umezawa
    • Masaki Ihara

    OriginalPaper 15 January 2021 Pages: 733 - 739

15. Epidermal Growth Factor-gold Nanoparticle Conjugates-induced Cellular Responses: Effect of Interfacial Parameters between Cell and Nanoparticle

    • Shota Yamamoto
    • Jun Nakanism

    Original Paper 25 December 2020 Pages: 741 - 745

16. Multiplex MicroRNA Detection on a Surface-Functionalized Power-Free Microfluidic Chip

    • Ryo Ishihara
    • Ryoichi Kitane
    • Akihiko Kikuchi

    Original Paper 22 January 2021 Pages: 747 - 751

17. Transport of Oligopeptide from Aqueous Phase to Span 80 Reverse Micelles in Microdroplet Array

    • Mao Fukuyama
    • Makoto Suto
    • Akihide Hibara

    Original Paper 22 January 2021 Pages: 753 - 758

18. Preparation of Luciferase-fused Peptides for Immunoassay of Amyloid Beta

    • Masafumi Sakono
    • Taiki Arisawa
    • Atsushi Manaka

    Original Paper 12 February 2021 Pages: 759 - 763

19. Electrochemical Impedimetric Study of Non-Watson-Crick Base Pairs of DNA

    • Rodtichoti Wannapob
    • Surachada Chuaychob
    • Mizuo Maeda

    Original Paper 22 January 2021 Pages: 765 - 771

20. Spectroscopic Investigation of Increased Fluorescent Intensity of Fluorescent Dyes When Adsorbed onto Polystyrene Microparticles

    • Hiroshi Aoki
    • Masaki Torimura
    • Hiroshi Habe

    Original Paper 19 February 2021 Pages: 773 - 779

21. Preparation of Spherical Nucleic Acid Nanoparticles Containing a Self-immolative Poly(carbamate) Core

    • Shione Fukumoto
    • Mami Kawade
    • Akihiko Kikuchi

    Notes 22 January 2021 Pages: 781 - 784

22. Facile Preparation of a Hairpin DNA-Gold Nanoparticle Monoconjugate with a Single-Dye Molecule and Lactobionic Acid as Targeting Ligand

    • Akane Mukaida
    • Rihito Adachi
    • Masao Kamimura

    Notes 05 March 2021 Pages: 785 - 788

23. Announcements

    Announcement 11 May 2021 Pages: 789 - 790

24. Erratum to: Total Quantification of Magnesium Alloys by X-ray Fluorescence Spectrometry Using the “Standardless” Fundamental Parameter Method

    • Wataru Matsuda
    • Atsushi Morikawa
    • Toshihiro Nakamura

    Erratum 11 May 2021 Pages: 791 - 791