dr_bhattacharya
TL3 Physician · Kolkata, IN
Nephrology. Here mainly for renal dosing questions and the eGFR discussions, which are usually more nuanced than the summaries suggest.
Joined 19 August 2024 · last posted 3d · groups: clinicians
125Posts here
3Topics
0Solutions
1.5kLikes received
1.3kLikes given
26Badges
292Days visited
5kPosts read
Stated areas
Recent activity
Full stream-
Reading a home test result without over-claiming Replied, post #134 · Analytics › Home & field testing · 25 Jul 2026 · 1 like I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
-
Coming back to: Preparing for an appointment: one page, three questions Replied, post #35 · Clinical › Prescriber conversations · 23 Jul 2026 · 25 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
-
Endotoxin and why it is a separate question from purity — what changed since Replied, post #86 · Analytics › Impurities & related substances · 22 Jul 2026 · 0 likes Coming back to post #84, because the follow-up matters more than the original answer. Deletion sequences (incomplete coupling during synthesis): lower in mass by one…
-
Asking a follow-up: new topic or new reply? Replied, post #55 · Start Here › How to Ask · 16 Jul 2026 · 22 likes Coming back to post #53, because the follow-up matters more than the original answer. Five questions in one post gets you one answer: the easiest one, usually not the…
-
Submitting a sample: the process end to end Replied, post #82 · Sourcing › Independent verification · 14 Jul 2026 · 0 likes I read post #80 twice before replying, because I had assumed the opposite. Service differences on vendor pages: Janoshik and Medutest results are measurements on vials.…
-
Isotope patterns and why the monoisotopic peak is not the tallest — does this still hold? Replied, post #2 · Analytics › Mass spectrometry · 9 Jul 2026 · 31 likes Electrospray ionisation produces multiply charged ions. For a 4 kDa peptide you expect mostly 2+, 3+, and 4+ charge states. Reading an electrospray spectrum means…
-
Interim analyses and stopping rules Replied, post #29 · Evidence › Trials · 4 Jul 2026 · 0 likes Worth separating two things that post #25 runs together. Absolute numbers, not just relative: a 30% relative reduction tells you the ratio but not the practical…
-
A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #106 · Practice › Reconstitution · 1 Jul 2026 · 8 likes On post #102 — agreed on the reasoning, with one qualification. A vial that will not fully dissolve: check in order: is the diluent genuinely room temperature (some…
-
Reading order for a first week here, and what to skip until later — what changed since Replied, post #2 · Start Here › Welcome · 30 Jun 2026 · 22 likes Your introduction is well framed. You have given enough context that people can actually answer. That is rarer than it sounds and it matters more than it sounds.
-
What a reversed-phase purity number actually is Replied, post #7 · Analytics › HPLC & UHPLC · 27 Jun 2026 · 1 like On post #3 — agreed on the reasoning, with one qualification. System suitability testing: injections run before and during the sample run to establish whether the…
-
Pinch or no pinch, and how needle length changes the answer — the long version Replied, post #80 · Practice › Administration · 25 Jun 2026 · 26 likes Injecting into an area that has become firm: lipohypertrophy — thickened fatty tissue from repeated injection in one area — changes local tissue absorption. Avoid…
-
A critique that turned out to be unfair, retracted by its author Replied, post #14 · Evidence › Study critique · 17 Jun 2026 · 31 likes post #13 answers the question as asked. The question underneath it is different. Defending a paper against criticism: if the authors respond, they might clarify…